Viscous wall, and method for manufacturing a viscous wall

Abstract

To provide a viscous wall with improved vibration damping function and a method for manufacturing a viscous wall.SOLUTION: A viscous wall 1 arranged between an upper structural body 2 and a lower structural body 3 comprises a box-shaped wall body 10 fixed to the lower structural body 3, a viscous fluid 20 filled inside the box-shaped wall body 10, a resistance plate 30 which is fixed to the upper structural body 2, at least a part of which is immersed in the viscous fluid 20 and is movably arranged in a first direction along a plate surface when it is inserted into the box-shaped wall body 10, and a fixed restraining section 40 which is fixed to the part of an inner wall surface of the box-shaped wall body 10 filled with the viscous fluid 20 and protrudes inward of the box-shaped wall body 10, and the resistance plate 30 has a movable restraining section 32 which protrudes at least in the first direction from a main body 31 of the resistance plate, and the fixed restraining section 40 is arranged to face at least a part of an upper surface of the movable restraining section 32.SELECTED DRAWING: Figure 1

Description

Technical Field

[0001] The present invention relates to a viscous wall and a method for manufacturing a viscous wall.

Background Art

[0002] As a viscous wall, in which a viscous fluid is filled into a box-shaped wall body fixed to a lower structure such as a beam or a floor below a building, a resistance plate is inserted into the viscous fluid, the resistance plate is fixed to an upper structure such as a beam or a floor above the building, and the vibration energy of the building transmitted through the upper structure is damped by the flow velocity resistance and surface resistance of the viscous fluid received by the resistance plate, the one described in Patent Document 1 is known.

Prior Art Literature

Patent Literature

[0003]

Patent Document 1

Summary of the Invention

Problem to be Solved by the Invention

[0004] According to the above technique, when the resistance plate horizontally moves in the viscous fluid due to a load such as an earthquake, the viscous fluid is pressed at one end of the resistance plate, so that the liquid level of the viscous fluid rises. When a load is applied to the resistance plate, the movement of the viscous fluid in this manner reduces the load applied between the resistance plate and the viscous fluid, which may lower the vibration damping function.

[0005] The present invention has been made in view of such a background, and an object of the present invention is to provide a viscous wall with improved vibration damping function and a method for manufacturing the viscous wall.

Means for Solving the Problem

[0006] A first aspect of the present invention provides: A viscous wall disposed between an upper structure and a lower structure of a building, A box-shaped wall, fixed to the aforementioned lower structure and opening upward, The viscous fluid filled inside the box-shaped wall, A resistance plate is fixed to the upper structure and formed in the shape of a plate that hangs downward, at least a portion of which is immersed in the viscous fluid when inserted into the box-shaped wall, and is arranged to be movable in a first direction along the plate surface when inserted into the box-shaped wall, The box-shaped wall comprises a fixing restraint portion fixed to the portion of the inner wall surface of the box-shaped wall that is filled with the viscous fluid, and which protrudes inward from the box-shaped wall. The aforementioned resistor plate is A resistance plate body is immersed in the viscous fluid and configured to generate viscous resistance by moving in the first direction, The device comprises a movable restraining part that is immersed in the viscous fluid, fixed to the upper portion of the resistance plate body, and protruding at least from the resistance plate body in the first direction, thereby suppressing the upward movement of the viscous fluid as the resistance plate moves in the first direction, The fixed restraining portion is located in a viscous wall that is positioned opposite at least a portion of the upper surface of the movable restraining portion and restrains the upward movement of the viscous fluid as the resistance plate moves in the first direction.

[0007] A second aspect of the present invention is, The above-described method for manufacturing a viscous wall, A filling step of filling the box-shaped wall with the viscous fluid, A movement-restricting part fixing step for fixing the resistance plate and the movement-restricting part, An immersion step in which the resistance plate on which the movable restraining part is fixed is immersed in the viscous fluid filled in the box-shaped wall, A method for manufacturing a viscous wall, comprising: immersing the fixing restraint portion in the viscous fluid filled in the box-shaped wall; positioning the fixing restraint portion so as to face at least a part of the upper surface of the movable restraint portion; and fixing the fixing restraint portion to the box-shaped wall.

[0008] A third aspect of the present invention is: The above-described method for manufacturing a viscous wall, A movement-restricting part fixing step for fixing the resistance plate and the movement-restricting part, An insertion step of inserting the resistance plate into the inside of the box-shaped wall, A fixing restraint portion fixing step is to position the fixed restraint portion so as to face at least a portion of the upper surface of the movable restraint portion and fix the fixed restraint portion to the box-shaped wall, The present invention relates to a method for manufacturing a viscous wall, comprising a filling step of filling the box-shaped wall body with the viscous fluid. [Effects of the Invention]

[0009] According to a first aspect of the present invention, when the resistance plate moves in a first direction, the upward movement of the viscous fluid can be suppressed. This suppresses the upward escape of the load applied to the viscous fluid from the resistance plate body, thereby improving the vibration damping function of the resistance plate.

[0010] According to the second and third aspects of the present invention, a viscous wall can be manufactured that includes a movable restraining portion and a fixed restraining portion, which are arranged so that at least a portion of them face each other in the vertical direction. [Brief explanation of the drawing]

[0011] [Figure 1] A front view showing the viscous wall of Embodiment 1 positioned between the upper and lower structures. [Figure 2] A cross-sectional view taken along line II-II in Figure 3, showing the viscous wall of Embodiment 1. [Figure 3] A cross-sectional view taken along line III-III in Figure 2, showing the viscous wall of Embodiment 1. [Figure 4] A plan view showing the viscous wall of Embodiment 1. [Figure 5] A plan view showing the box-shaped wall of Embodiment 1. [Figure 6] A flowchart showing a first example of the manufacturing process for the viscous wall of Embodiment 1. [Figure 7] A cross-sectional view showing the state in which the support member is fixed to the box-shaped wall of Embodiment 1. [Figure 8]Cross-sectional view showing a state where a viscous fluid is filled inside the box-shaped wall body of Embodiment 1. [Figure 9] Cross-sectional view showing the resistance plate of Embodiment 1. [Figure 10] Cross-sectional view showing a state where the resistance plate of Embodiment 1 is immersed in the viscous fluid filled in the box-shaped wall body. [Figure 11] Cross-sectional view showing a state where the fixation suppressing portion of Embodiment 1 is fixed. [Figure 12] Cross-sectional view showing a second example of the manufacturing process of the viscous wall of Embodiment 1, which shows a state where the resistance plate is immersed in the viscous fluid filled inside the box-shaped wall body. [Figure 13] Cross-sectional view showing a second example of the manufacturing process of the viscous wall of Embodiment 1, which shows a state where the fixation suppressing portion is fixed. [Figure 14] Cross-sectional view for explaining the operation and effect when the resistance plate of Embodiment 1 moves leftward. [Figure 15] Cross-sectional view for explaining the operation and effect when the resistance plate of Embodiment 1 moves further leftward than the state shown in Fig. 14. [Figure 16] Cross-sectional view showing the viscous wall of Embodiment 2. [Figure 17] Cross-sectional view showing the viscous wall of Embodiment 2. [Figure 18] Cross-sectional view showing the viscous wall of Embodiment 3. [Figure 19] Plan view showing the viscous wall of Embodiment 3. [Figure 20] Plan view showing the viscous wall of Embodiment 4. [Figure 21] Plan view showing the viscous wall of Embodiment 5. [Figure 22] Cross-sectional view showing the viscous wall of Embodiment 6. [Figure 23] Flowchart showing the manufacturing process of the viscous wall of Embodiment 6. [Figure 24] Cross-sectional view showing a state where a support member is fixed to the box-shaped wall body of Embodiment 6. [Figure 25] Cross-sectional view showing a state where a viscous fluid is filled inside the box-shaped wall body of Embodiment 6. [Figure 26] Cross-sectional view showing the resistance plate of Embodiment 6. [Figure 27] A cross-sectional view showing the state in which a resistance plate is immersed in the viscous fluid filled inside the box-shaped wall of Embodiment 6. [Figure 28] A cross-sectional view showing the fixed restraint portion of Embodiment 6 in a fixed state. [Figure 29] A cross-sectional view showing the viscous wall of Embodiment 7. [Figure 30] A cross-sectional view showing the viscous wall of Embodiment 8. [Figure 31] A cross-sectional view showing the viscous wall of Embodiment 9. [Figure 32] A cross-sectional view showing the viscous wall of Embodiment 10. [Figure 33] A flowchart showing the manufacturing process of the viscous wall of Embodiment 11. [Modes for carrying out the invention]

[0012] (Embodiment 1) 1. Schematic structure of viscous wall 1 Referring to Figure 1, a viscous wall 1 according to Embodiment 1 will be described. The viscous wall 1 is placed between an upper structure 2 and a lower structure 3 of a building (not shown). Examples of the upper structure 2 and lower structure 3 include beams, floors, etc., that make up the building. The viscous wall 1 is placed, for example, in a space provided inside the wall of the building.

[0013] As shown in Figure 1, the viscous wall 1 comprises a box-shaped wall 10 fixed to the lower structure 3, a viscous fluid 20 filled in the box-shaped wall 10, a resistance plate 30 fixed to the upper structure 2, and a fixing restraint part 40 fixed to the box-shaped wall 10.

[0014] 2. Box-shaped wall 10 As shown in Figures 2 and 3, the box-shaped wall 10 is formed in a box shape that opens upwards. Materials such as steel plates and fiber-reinforced resin plates can be used to construct the box-shaped wall 10. The box-shaped wall 10 comprises a bottom wall 11A formed to be elongated in the left-right direction (an example of a first direction), two long side walls 11B extending upwards from the long side edge of the bottom wall 11A in the left-right direction, and two short side walls 11C extending upwards from the side edge of the bottom wall 11A in the front-back direction (an example of a second direction) perpendicular to the left-right direction.

[0015] The internal space of the box-shaped wall 10, enclosed by the bottom wall 11A, the long side wall 11B, and the short side wall 11C, is defined as a filled space 12 filled with a viscous fluid 20. The filled space 12 is filled with a viscous fluid 20.

[0016] The bottom wall 11A is fixed to the lower structure 3 by known methods such as bolting or welding.

[0017] As shown in Figure 3, a narrow section 13A is formed in the lower part of the long side wall 11B, where the distance between the two long side walls 11B is narrow in the front-rear direction. In the region of the long side wall 11B above the narrow section 13A, a wide section 13B is formed where the distance between the two long side walls 11B is wider than that of the narrow section 13A in the front-rear direction. The vertical length dimensions of the narrow section 13A and the wide section 13B are not particularly limited and can be formed to any length dimension.

[0018] As shown in Figure 3, the viscous fluid 20 fills the box-shaped wall 10's filling space 12 in the portion corresponding to the narrow section 13A and the portion from the upper end of the wide section 13B to a position slightly below it.

[0019] As shown in Figures 3 and 4, a support member 14 protruding upward is positioned on the bottom surface of the wide section 13B. The support member 14 is fixed to the bottom surface of the wide section 13B by known methods such as bolting, welding, or adhesive bonding. The support member 14 is formed to be elongated in the left-right direction. The support member 14 is positioned on the front and rear sides of the edge of the hole in the narrow section 13A that opens in the bottom surface of the wide section 13B. As shown in Figure 3, the cross-sectional shape of the support member 14 is formed to be approximately semicircular. However, the cross-sectional shape of the support member 14 is not particularly limited, and any shape such as a square or triangular shape can be appropriately selected.

[0020] The support member 14 is made of any material, such as metal or synthetic resin. As will be described later, a movable restraining part 32 is placed on the upper surface of the support member 14, and the support member 14 and the movable restraining part 32 are configured to slide against each other. For this reason, it is preferable that the material constituting the support member 14 has a low coefficient of friction.

[0021] The shape of the support member 14 is not limited to the shape described above. For example, it may be formed in a shape that protrudes upward in a semicircular shape from the bottom surface of the wide portion 13B. In this case, the support members 14 can be arranged with a gap between them in the left-right direction.

[0022] 3.Viscous fluid 20 The viscous fluid 20 is not particularly limited, and any material can be appropriately selected, for example, a polybutene-based material such as polyisobutylene, or a material obtained by polymerizing a silicone composition.

[0023] As an example of a silicone composition, one can be used that has component (A) below as the main component and contains components (B) to (D) below, wherein the content ratio of component (B) below to 100 parts by weight of component (A) below is 0.00003 to 0.003 parts by weight, and the ratio (M1:M2) of the number of moles of vinyl groups (M1) of component (A) below to the number of moles of hydrosilyl groups (M2) of component (D) below in the silicone composition satisfies 1:0.5 to 1:4. Here, the "main component" above refers to a component that accounts for more than 50% by weight of the total weight of components (A) to (D) below, which are essential components of the silicone composition of the present invention. (A) A vinyl-modified silicone having vinyl groups at both ends of its molecular chain. (B) Platinum catalyst. (C) Delay agent. (D) Chain extender.

[0024] The content of component (C) is preferably 0.01 to 1 part by weight per 100 parts by weight of component (A). The viscous fluid 20 is preferably 6,000 to 100,000 Pa·s at 30°C.

[0025] 4.Resistance plate 30 As shown in Figure 2, the resistance plate 30 is formed in a plate shape overall. Materials such as steel plates and fiber-reinforced resin plates can be used to construct the resistance plate 30. The upper end of the resistance plate 30 is fixed to the upper structure 2 by known methods such as bolting or welding (see Figure 1). The resistance plate 30 is inserted into the filling space 12 of the box-shaped wall 10, and at least a portion of it is immersed in the viscous fluid 20.

[0026] As shown in Figure 3, the resistance plate 30 is inserted into the filling space 12 of the box-shaped wall 10 with its surface facing the front-to-back direction. With the resistance plate 30 inserted into the filling space 12 of the box-shaped wall 10, it is positioned to be movable in a direction along the surface of the resistance plate 30 (an example of a first direction; in this embodiment, the left-to-right direction).

[0027] (1) Resistor board body 31 As shown in Figure 3, the resistance plate 30 comprises a resistance plate body 31, a movement suppression part 32, and a protruding part 33. The resistance plate body 31 is formed in a rectangular shape when viewed from the front. The resistance plate body 31 is immersed in the viscous fluid 20 with the resistance plate 30 inserted into the filling space 12 of the box-shaped wall 10. The resistance plate body 31 is configured to generate viscous resistance with the viscous fluid 20 as the resistance plate 30 moves in the left-right direction.

[0028] When the resistance plate 30 moves to the left, the left end of the resistance plate body 31 presses the viscous fluid 20 to the left. When the resistance plate 30 moves to the right, the right end of the resistance plate body 31 presses the viscous fluid 20 to the right. This creates resistance between the resistance plate body 31 and the viscous fluid 20. Furthermore, as the resistance plate 30 moves from side to side, the front and rear surfaces of the resistance plate body 31 rub against the viscous fluid 20, creating resistance between the resistance plate body 31 and the viscous fluid 20. This resistance dampens building vibrations caused by earthquakes, wind, etc.

[0029] As shown in Figure 3, with the resistance plate 30 inserted into the filling space 12 of the box-shaped wall 10, most of the resistance plate body 31 is inserted from above into the narrow section 13A of the box-shaped wall 10. The thickness dimension of the resistance plate body 31 in the front-to-back direction is smaller than the front-to-back width dimension of the narrow section 13A. The portion of the resistance plate body 31 near the upper end is positioned in the wide section 13B of the box-shaped wall 10.

[0030] (2) Movable restraint part 32 As shown in Figure 3, a movable restraining part 32 is fixed to the upper part of the resistance plate body 31. The movable restraining part 32 is formed in a rectangular shape when viewed from above. The movable restraining part 32 is fixed to the resistance plate body 31 by known methods such as bolt fastening or welding, with the plate surface facing in the vertical direction.

[0031] In this embodiment, the movable restraining portion 32 protrudes from the resistor plate body 31 in the left-right direction. In other words, the left end of the movable restraining portion 32 protrudes to the left of the left end of the resistor plate body 31, and the right end of the movable restraining portion 32 protrudes to the right of the right end of the resistor plate body 31.

[0032] In this embodiment, the movable restraining portion 32 protrudes from the resistance plate body 31 in a direction intersecting the surface of the resistance plate 30 (an example of a second direction, in this embodiment, the front-rear direction). In other words, the front end of the movable restraining portion 32 protrudes forward of the front surface of the resistance plate body 31, and the rear end of the movable restraining portion 32 protrudes backward of the rear surface of the resistance plate body 31.

[0033] With the resistance plate 30 inserted into the filling space 12 of the box-shaped wall 10, the movable restraining part 32 is fixed to the portion of the resistance plate body 31 located in the wide section 13B. As a result, the movable restraining part 32 is positioned within the wide section 13B. Within the wide section 13B, the movable restraining part 32 is immersed in the viscous fluid 20 that fills the wide section 13B.

[0034] The movable restraining unit 32 is configured to suppress the upward movement of the viscous fluid 20 as the resistance plate 30 moves in the left-right direction.

[0035] (3) Protrusion 33 As shown in Figure 2, the resistance plate 30 is provided with a projection 33 that protrudes upward from the upper surface of the movable restraining portion 32. The projection 33 is formed in a rectangular shape when viewed from the front. The thickness dimension of the projection 33 in the front-rear direction is the same as the thickness dimension of the resistance plate body 31 in the front-rear direction. The length dimension of the projection 33 in the left-right direction is smaller than the length dimension of the resistance plate body 31 in the left-right direction. However, the length dimension of the projection 33 in the left-right direction may be the same as the length dimension of the resistance plate body 31 in the left-right direction.

[0036] As shown in Figure 3, with the resistance plate 30 inserted into the filling space 12 of the box-shaped wall 10, most of the protruding portion 33 is located in the wide portion 13B, and the upper end of the protruding portion 33 protrudes upward from the upper end of the box-shaped wall 10. As shown in Figure 1, the upper end of the protruding portion 33 is fixed to the upper structure 2 by known methods such as bolting or welding. A portion of the protruding portion 33 is immersed in the viscous fluid 20 filled in the wide portion 13B.

[0037] As shown in Figure 3, in the front-to-back direction, the distance L1 between the inner wall surface of the long side wall 11B constituting the wide portion 13B of the box-shaped wall 10 and the wall surface of the protruding portion 33 of the resistance plate 30 is wider than the distance L2 between the inner wall surface of the long side wall 11B constituting the narrow portion 13A of the box-shaped wall 10 and the wall surface of the resistance plate body 31 of the resistance plate 30.

[0038] 5. Fixed suppression part 40 As shown in Figures 2 and 3, the fixing restraint portion 40 is fixed to the portion of the inner wall surface of the box-shaped wall 10 that is filled with viscous fluid 20. In this embodiment, the fixing restraint portion 40 is fixed to the portion of the wide portion 13B of the fixing restraint portion 40 that is filled with viscous fluid 20. The fixing restraint portion 40 is fixed to the box-shaped wall 10 by known methods such as bolting or welding. With the fixing restraint portion 40 fixed to the box-shaped wall 10, the fixing restraint portion 40 is configured to protrude inward from the inner wall surface of the box-shaped wall 10. However, the fixing restraint portion 40 may also be configured to protrude integrally from the inner wall surface of the box-shaped wall 10.

[0039] As shown in Figure 5, the fixing restraint portion 40 in this embodiment is formed in a rectangular shape when viewed from above. The external shape of the fixing restraint portion 40 is formed to be substantially the same as the internal shape of the wide portion 13B. As a result, when the fixing restraint portion 40 is fixed to the inner wall surface constituting the wide portion 13B, the fixing restraint portion 40 and the inner wall surface constituting the wide portion 13B are in close contact.

[0040] As shown in Figures 2 and 3, the fixed restraint portion 40 is positioned above the movable restraint portion 32 of the resistance plate 30. As a result, the fixed restraint portion 40 is positioned to face at least a portion of the upper surface of the movable restraint portion 32.

[0041] As shown in Figure 5, the fixing restraint portion 40 is provided with an elongated through hole 41 in the left-right direction. The vertical portion of the resistance plate 30 is inserted vertically through the through hole 41 of the fixing restraint portion 40. The front-to-back dimension of the through hole 41 is greater than the front-to-back length of the resistance plate body 31. In the front-to-back direction, the distance between the edge of the through hole 41 and the wall surface of the protruding portion 33 of the resistance plate 30 is narrower than the distance between the inner wall surface of the narrow portion 13A of the box-shaped wall body 10 and the wall surface of the resistance plate body 31 of the resistance plate 30.

[0042] The left-right cross-sectional dimension of the through-hole 41 is greater than the left-right length dimension of the protruding portion 33 of the resistance plate 30. Therefore, the protruding portion 33 of the resistance plate 30 is configured to be movable in the left-right direction within the through-hole 41. As the protruding portion 33 moves in the left-right direction within the through-hole 41, the entire resistance plate 30 is configured to be movable in the left-right direction inside the box-shaped wall 10.

[0043] The fixing suppression unit 40 is configured to suppress the upward movement of the viscous fluid 20 as the resistance plate 30 moves in the left-right direction.

[0044] As shown in Figure 4, in the left-right direction, the distance L3 from the right end to the left end of the movable restraining part 32 is set to be larger than the distance L4 of the insertion hole 41 of the fixed restraining part 40. Also, in the front-rear direction, the distance L5 from the front end to the rear end of the movable restraining part 32 is set to be larger than the distance L6 of the insertion hole 41 of the fixed restraining part 40. Furthermore, as shown in Figure 2, with the resistance plate 30 positioned at the center of the insertion hole 41 in the left-right direction, when the movable restraining part 32 is projected onto the fixed restraining part 40 in the up-down direction, the left-right length dimension L7 of the movable restraining part 32 is set to be larger than the left-right distance L4 of the insertion hole 41. As a result, the movable restraining part 32 is configured to cover the insertion hole 41 of the fixed restraining part 40 from below.

[0045] 6. Method for manufacturing the viscous wall 1 (1) First example Next, with reference to Figures 6 to 12, a first example of a method for manufacturing the viscous wall 1 of this embodiment will be described. The method for manufacturing the viscous wall 1 is not limited to the following description.

[0046] Figure 6 shows a flowchart of the manufacturing method for the viscous wall 1 of this embodiment. The viscous wall 1 of this embodiment is manufactured by performing a support member fixing step (S1), a filling step (S2), a movement suppression part fixing step (S3), an immersion step (S4), a placement step (S5), an insertion step (S6), and a fixing suppression part fixing step (S7). In the following description, the manufacturing method for the viscous wall 1 will be explained with reference to Figure 6 as appropriate.

[0047] As shown in Figure 7, a support member fixing step is performed (S1 in Figure 6) in which two long support members 14 are fixed to the bottom surface of the wide portion 13B of the box-shaped wall 10, along the side edge of the opening edge of the narrow portion 13A.

[0048] Next, as shown in Figure 8, a filling step is performed in which viscous fluid 20 is filled into the filling space 12 of the box-shaped wall 10 (S2 in Figure 6). The viscous fluid 20 is filled up to a position near the upper end of the wide portion 13B of the box-shaped wall 10.

[0049] As shown in Figure 9, a movable restraint fixing step is performed to fix the movable restraint 32 to the resistance plate body 31 and the protruding portion 33 (S3 in Figure 6). The order of the movable restraint fixing step is not particularly limited and may be performed before the filling step or before the support member fixing step.

[0050] Next, as shown in Figure 10, an immersion step is performed in which the movable restraint unit 32 is immersed from above in the viscous fluid 20 filled in the box-shaped wall 10 (S4 in Figure 6). Subsequently, an installation step is performed in which the movable restraint unit 32 is placed on the upper surface of the support member 14 (S5 in Figure 6).

[0051] Next, an insertion step is performed in which the protruding portion 33 of the resistance plate 30 is inserted into the insertion hole 41 of the fixed restraint portion 40 (S6 in Figure 6). Next, the fixed restraint portion 40 is immersed in the viscous fluid 20 filled in the box-shaped wall 10. Next, as shown in Figure 11, with the fixed restraint portion 40 positioned facing the upper surface of the movable restraint portion 32, a fixed restraint portion fixing step is performed in which the fixed restraint portion 40 is fixed to the inner wall surface of the box-shaped wall 10 (S7 in Figure 6). This completes the viscous wall 1.

[0052] (2) Second example Next, with reference to Figures 11, 12, and 13, a second example of the manufacturing method for the viscous wall 1 of this embodiment will be described. As shown in Figure 12, the second example differs from the first example in that, in the filling step, the viscous fluid 20 is filled in the vertical direction up to approximately the center of the wide portion 13B of the box-shaped wall 10. The viscous fluid 20 is filled to a position slightly above the upper surface of the movable restraining portion 32 while the movable restraining portion 32 is immersed in the viscous fluid 20.

[0053] As shown in Figure 13, the fixing restraint portion 40 is fixed to the inner wall surface of the box-shaped wall 10 at a position above the liquid surface of the viscous fluid 20.

[0054] Subsequently, the viscous fluid 20 is added to the wide section 13B of the box-shaped wall 10 and filled up to a position near the upper end of the wide section 13B (see Figure 11). With this, the viscous wall 1 is completed.

[0055] 7. Effects of this form Next, the effects of this embodiment will be explained with reference to Figure 14. As shown by arrow A in Figure 14, for example, when a leftward force is applied to the resistance plate 30, the resistance plate 30 moves to the left. Then, the left end of the resistance plate body 31 presses the viscous fluid 20 to the left. This creates resistance between the viscous fluid 20 and the resistance plate body 31. This resistance dampens the force applied when the resistance plate 30 moves to the left.

[0056] At this time, the viscous fluid 20 pressed by the left end of the resistance plate body 31 is compressed between the short side wall 11C of the box-shaped wall 10 and the left end of the resistance plate body 31, and attempts to move upward as shown by arrow B. The upward movement of the viscous fluid 20 that attempts to move upward is suppressed by the movable restraining part 32. As a result, the upward escape of the load applied from the resistance plate body 31 to the viscous fluid 20 is suppressed, and the vibration damping function of the resistance plate 30 can be improved.

[0057] A gap is formed between the short side wall 11C of the box-shaped wall 10 and the left end of the resistance plate body 31. The viscous fluid 20, which attempts to move upward through this gap as shown by arrow C, is prevented from moving upward by the fixing restraint part 40. As a result, the upward escape of the load applied to the viscous fluid 20 from the resistance plate body 31 is suppressed, thereby improving the vibration damping function of the resistance plate 30.

[0058] The viscous fluid 20 compressed between the movable suppression part 32 and the fixed suppression part 40 attempts to move upward through the gap between the insertion hole 41 of the fixed suppression part 40 and the protruding part 33 of the resistance plate body 31. However, since the gap between the insertion hole 41 of the fixed suppression part 40 and the protruding part 33 of the resistance plate body 31 is set to be relatively narrow, the movement of the viscous fluid 20 above the fixed suppression part 40 is suppressed. This further improves the vibration damping function of the resistance plate 30.

[0059] In this embodiment, as shown in Figure 15, even when the left end of the movable restraining portion 32 abuts against the inner wall surface of the short side wall 11C of the box-shaped wall body 10, the hole edge of the insertion hole 41 of the fixed restraining portion 40 and the protruding portion 33 of the resistance plate 30 do not come into contact.

[0060] When the resistance plate 30 is subjected to a force directed to the right, the explanation is omitted as it simply involves replacing "left" with "right".

[0061] In this embodiment, the movable restraining portion 32 is further configured to protrude in the front-rear direction from the resistance plate body 31. As a result, as shown by the arrow U in Figure 3, the viscous fluid 20 that attempts to move upward from the narrow portion 13A of the box-shaped wall 10 is suppressed from above, thereby preventing the viscous fluid 20 from moving upward. This improves the vibration damping function of the resistance plate 30.

[0062] In this embodiment, the fixed restraint portion 40 is formed to be elongated in the left-right direction and is provided with an insertion hole 41 through which the resistance plate 30 can be inserted in the vertical direction. As a result, as shown in Figure 14, the viscous fluid 20 cannot move above the fixed restraint portion 40 unless it passes through the gap between the edge of the insertion hole 41 and the protruding portion 33. By suppressing the movement of the viscous fluid 20 above the fixed restraint portion 40 in this way, the vibration damping function of the resistance plate 30 can be improved.

[0063] In this embodiment, as shown in Figure 2, with the resistance plate 30 positioned in the center of the insertion hole 41 in the left-right direction, the left-right length dimension L7 of the movable suppression part 32 when projected onto the fixed suppression part 40 in the up-down direction is greater than the left-right cross-section dimension L4 of the insertion hole 41. As a result, at least with the resistance plate 30 positioned in the center in the left-right direction, the upward movement of the viscous fluid 20 can be suppressed by the movable suppression part 32 and the fixed suppression part 40. This improves the vibration damping function of the resistance plate 30.

[0064] In this embodiment, the box-shaped wall 10 comprises a narrow section 13A, which is close to the resistance plate 30 in the front-rear direction, and a wide section 13B, which is positioned above the narrow section 13A and is wider to the resistance plate 30 in the front-rear direction. The viscous fluid 20 is filled into the narrow section 13A and into at least a portion of the wide section 13B. The movable suppression section 32 is immersed in the viscous fluid 20 filled into the wide section 13B. As a result, the movable suppression section 32 can reliably suppress the upward movement of the viscous fluid 20, thereby improving the vibration damping function of the resistance plate 30.

[0065] In this embodiment, the bottom surface of the wide portion 13B is provided with a support member 14 that protrudes upward and supports the movable restraining portion 32 from below. This allows the movable restraining portion 32 to be positioned in the vertical direction.

[0066] (Embodiment 2) Next, Embodiment 2 will be described with reference to Figures 16 and 17. The viscous wall 1A in this embodiment differs from Embodiment 1 in that the support member 14 is not arranged in the box-shaped wall 10.

[0067] Although not shown in detail, the protruding portion 33 of the resistance plate 30 is fixed to the upper structure 2. As a result, the resistance plate 30 is positioned within the filling space 12 of the box-shaped wall 10 without contacting the box-shaped wall 10 in the vertical direction. The lower surface of the movable restraining portion 32 may slide against the bottom surface of the wide portion 13B of the box-shaped wall 10, or the lower surface of the resistance plate body 31 may slide against the upper surface of the bottom wall 11A of the box-shaped wall 10.

[0068] In addition, among the reference numerals used in Embodiment 2 and later, those that are the same as those used in the previously described embodiments represent the same components, etc., as those in the previously described embodiments, unless otherwise specified.

[0069] (Embodiment 3) Next, Embodiment 3 will be described with reference to Figures 18 and 19. The viscous wall 1B in this embodiment differs from Embodiment 1 in that the movable restraining portion 32A does not protrude in the front-rear direction and does not have a support member 14.

[0070] According to this embodiment, as shown in Figure 18, the resistance plate 30 can be made into a flat, plate-like structure. This simplifies the shape of the resistance plate 30, thereby reducing the manufacturing cost of the viscous wall 1.

[0071] (Embodiment 4) Next, Embodiment 4 will be described with reference to Figure 20. The viscous wall 1C in this embodiment differs from Embodiment 3 in that the fixing restraint portion 40A is divided and arranged at the left end and the right end of the wide portion 13B of the box-shaped wall body 10. According to this embodiment, the process of forming the insertion hole 41 in the fixing restraint portion is unnecessary, so the manufacturing cost of the viscous wall 1 can be reduced.

[0072] (Embodiment 5) Next, Embodiment 5 will be described with reference to Figure 21. The viscous wall 1D in this embodiment differs from Embodiment 1 in that the movable restraining portion 32B is divided and arranged at the left end and the right end of the resistance plate body 31. According to this embodiment, the movable restraining portion 32B can be miniaturized, thereby reducing the manufacturing cost of the viscous wall 1.

[0073] (Embodiment 6) Next, Embodiment 6 will be described with reference to Figure 22. As shown in Figure 22, the resistance plate 30A of the viscous wall 1E according to this embodiment includes a plurality of resistance plate bodies 31A (two in this embodiment) arranged at intervals in the front-rear direction below the movable restraining portion 32. However, the number of resistance plate bodies 31A may be three or more.

[0074] Furthermore, from the upper surface of the movable restraining portion 32, multiple (two in this embodiment) protrusions 33A protrude upward, spaced apart in the front-to-back direction. However, the number of protrusions 33A may be three or more. The two protrusions 33A are inserted through a single insertion hole 41A formed in the fixed restraining portion 40.

[0075] The front-facing resistor body 31A and the front-facing protrusion 33A are positioned to overlap vertically. Similarly, the rear-facing resistor body 31A and the rear-facing protrusion 33A are positioned to overlap vertically.

[0076] Two protrusions 33A, spaced apart in the front-to-back direction, are connected by a spacer 50. The spacer 50 is made of any material, such as metal or synthetic resin. The spacer 50 includes a connecting portion 51 positioned between the two protrusions 33 to connect them, and a spacer protrusion 52 that protrudes upward from the upper surface of the connecting portion 51 and connects to the upper structure 2.

[0077] The connection portion 51 of the spacer 50 and the protruding portion 33A of the resistance plate 30 are fixed together by known methods such as bolt fastening and welding. Furthermore, the upper structure 2 and the spacer protruding portion 52 are fixed together by known methods such as bolt fastening and welding.

[0078] As shown in Figure 22, a partition plate 15 is positioned inside the box-shaped wall 10 between two resistance plate bodies 31A arranged in the front-to-back direction. A gap is formed between the partition plate 15 and the resistance plate bodies 31A in the front-to-back direction. In this embodiment, the partition plate 15 is formed to protrude upward from the upper surface of the bottom wall 11A. The partition plate 15 may be formed integrally with the bottom wall 11A of the box-shaped wall 10, or a separate partition plate 15 may be fixed to the bottom wall 11A. When fixing the partition plate 15 to the bottom wall 11A of the box-shaped wall 10, known methods such as bolting and welding can be used.

[0079] However, the partition plate 15 may be formed integrally with the short side wall 11C of the box-shaped wall 10. Alternatively, the partition plate 15 may be a separate component from the box-shaped wall 10 and fixed to the short side wall 11C. When fixing the partition plate 15 to the short side wall 11C of the box-shaped wall 10, known methods such as bolting or welding can be used.

[0080] In this embodiment, the resistance between the resistance plate 30 and the viscous fluid 20 can be increased by increasing the number of resistance plate bodies 31A. Conversely, the resistance between the resistance plate 30 and the viscous fluid 20 can be decreased by decreasing the number of resistance plate bodies 31A. In this way, the resistance between the resistance plate 30 and the viscous fluid 20 can be adjusted by adjusting the number of resistance plate bodies 31A, so the vibration damping function of the resistance plate 30 can be easily adjusted.

[0081] Next, an example of a method for manufacturing the viscous wall 1 according to this embodiment will be described with reference to Figures 22 to 28. However, the method for manufacturing the viscous wall 1 is not limited to the following description.

[0082] Figure 23 shows a flowchart of the manufacturing method for the viscous wall 1E of this embodiment. The viscous wall 1E of this embodiment is manufactured by performing a support member fixing step (S1), a filling step (S2), a movement suppression part fixing step (S3), an immersion step (S4), a placement step (S5), an insertion step (S6), a fixing suppression part fixing step (S7), and a spacer connection step (S8). In the following description, the manufacturing method of the viscous wall 1 will be explained with reference to Figure 23 as appropriate.

[0083] As shown in Figure 24, a support member fixing step is performed (S1 in Figure 23) in which two elongated support members 14 are fixed to the bottom surface of the wide portion 13B of the box-shaped wall 10, along the side edge of the opening edge of the narrow portion 13A.

[0084] Next, as shown in Figure 25, a filling step is performed in which viscous fluid 20 is filled into the filling space 12 of the box-shaped wall 10 (S2 in Figure 23). The viscous fluid 20 is filled up to a position near the upper end of the wide portion 13B of the box-shaped wall 10.

[0085] As shown in Figure 26, the movable restraint portion fixing is performed by fixing the lower surface of the movable restraint portion 32A to the two resistance plate bodies 31, and fixing the two protrusions 33A to the upper surface of the movable restraint portion 32 (S3 in Figure 23). The order in which the movable restraint portion fixing process is performed is not particularly limited and may be performed before the filling process or before the support member fixing process.

[0086] Next, as shown in Figure 27, an immersion step is performed in which the movable restraining part 32 is immersed from above in the viscous fluid 20 filled in the box-shaped wall 10 (S4 in Figure 23). Subsequently, an installation step is performed in which the movable restraining part 32 is placed on the upper surface of the support member 14 (S5 in Figure 23).

[0087] Next, an insertion step is performed in which the protruding portion 33A of the resistance plate 30 is inserted into the insertion hole 41 of the fixed restraint portion 40 (S6 in Figure 23). Next, as shown in Figure 28, the fixed restraint portion 40 is immersed in the viscous fluid 20 filled in the box-shaped wall 10. Next, with the fixed restraint portion 40 positioned so as to face the upper surface of the movable restraint portion 32, a fixed restraint portion fixing step is performed in which the fixed restraint portion 40 is fixed to the inner wall surface of the box-shaped wall 10 (S7 in Figure 23).

[0088] Next, as shown in Figure 22, a protrusion connection process is performed in which two protrusions 33A, which are spaced apart in the front-to-back direction, are connected by the connection portion 51 of the spacer 50 (S8 in Figure 23). This completes the viscous wall 1E.

[0089] (Embodiment 7) Next, Embodiment 7 will be described with reference to Figure 29. The viscous wall 1F according to this embodiment differs from Embodiment 6 in that each of the two protruding portions 33A that protrude upward from the movable restraining portion 32 of the resistance plate 30A is inserted into each of the two through holes 41B formed in the fixed restraining portion 40.

[0090] The fixed restraint portion 40 has two through holes 41B that are spaced apart in the front-to-back direction. Each through hole 41B is positioned to overlap with the two protrusions 33A formed on the resistance plate 30 in the vertical direction. As a result, each of the two protrusions 33A that protrude upward from the movable restraint portion 32 of the resistance plate 30 is inserted into each of the two through holes 41B formed on the fixed restraint portion 40.

[0091] According to this embodiment, the gap between the protruding portion 33A and the fixed restraining portion 40 can be made relatively small, so when the viscous fluid 20 tries to move upward as the resistance plate 30 moves in the left-right direction, it can be prevented from moving above the fixed restraining portion 40. This improves the vibration damping function of the resistance plate 30.

[0092] (Embodiment 8) Next, Embodiment 8 will be described with reference to Figure 30. The viscous wall 1G of this embodiment differs from Embodiment 7 in that a plurality of resistance plates 30B (two in this embodiment) are inserted into the filling space 12 of the box-shaped wall 10 at intervals in the front-rear direction. However, there may be three or more resistance plates 30B.

[0093] Each resistance plate 30B comprises one movable restraint portion 32, one resistance plate body 31 protruding downward from the lower surface of the movable restraint portion 32, and one protruding portion 33 protruding upward from the upper surface of the movable restraint portion 32. Each protruding portion 33 of each resistance plate 30B is inserted into each of the two insertion holes 41B formed in the fixed restraint portion 40.

[0094] Each protrusion 33 of each resistor plate 30B is connected by a connecting portion 51 of the spacer 50. This allows the two resistor plates 30 to be positioned in the front-to-back direction.

[0095] (Embodiment 9) Next, Embodiment 9 will be described with reference to Figure 31. Embodiment 9 differs from Embodiment 7 in that the viscous wall 1H has one protrusion 33B that protrudes upward from the upper surface of the movable restraining portion 32, and this protrusion 33B is inserted into one insertion hole 41 formed in the fixed restraining portion 40.

[0096] According to this embodiment, since the number of through holes 41 formed in the fixed restraint portion 40 can be reduced to one, the gap between the protruding portion 33B and the fixed restraint portion 40 can be made relatively small. As a result, when the viscous fluid 20 tries to move upward as the resistance plate 30 moves in the left-right direction, it is possible to suppress it from moving above the fixed restraint portion 40. As a result, the vibration damping function of the resistance plate 30 can be improved.

[0097] (Embodiment 10) Next, Embodiment 10 will be described with reference to Figure 32. In this embodiment, the viscous wall 1I is provided with a guide member 16 projecting inward on the inner wall surface of the long side wall 11B of the box-shaped wall body 10. In addition, the partition plate 15 of the box-shaped wall body 10 is provided with a partition plate guide member 17 projecting from the partition plate 15.

[0098] The structure of the guide member 16 is not particularly limited and may be a boss or rib protruding from the long side wall 11B of the box-shaped wall 10. In this embodiment, the guide member 16 is composed of a bolt 16A and a nut 16B that penetrate the long side wall 11B of the box-shaped wall 10.

[0099] The structure of the partition plate guide member 17 is not particularly limited and may be a boss or rib protruding from the partition plate 15 of the box-shaped wall 10. In this embodiment, the partition plate guide member 17 is composed of a bolt 17A and a nut 17B that penetrate the partition plate 15 of the box-shaped wall 10.

[0100] The guide member 16 and the partition plate guide member 17 may be configured to always be in contact with and slide against the resistance plate body 31 of the resistance plate 30, or they may not always be in contact, but may only come into contact when a force is applied to the resistance plate body 31 in the front-rear direction. The guide member 16 and the partition plate guide member 17 guide the movement of the resistance plate 30 in the left-right direction and restrict the movement of the resistance plate 30 in the front-rear direction.

[0101] The configuration other than that described above is the same as in Embodiment 9, so the same reference numerals are used for the same components and redundant explanations are omitted. However, the guide member 16 may also be applied to Embodiments 1 to 8.

[0102] (Embodiment 11) Next, Embodiment 11 will be described with reference to Figure 33. In this embodiment, the method for manufacturing the viscous wall 1 differs from that of Embodiment 1.

[0103] As shown in Figure 33, in this embodiment, the viscous wall 1 is manufactured by performing a support member fixing step (S1), a movement suppression part fixing step (S3), an insertion step (S9), a threading step (S6), a fixing suppression part fixing step (S7), and a filling step (S2).

[0104] In this embodiment, a support member fixing step is performed (S1 in Figure 33) in which two elongated support members 14 are fixed to the bottom surface of the wide portion 13B of the box-shaped wall 10, along the side edge of the opening edge of the narrow portion 13A.

[0105] Next, a movable restraint fixing step is performed to fix the movable restraint portion 32 to the resistance plate body 31 and the protruding portion 33 (S3 in Figure 33). The order of the movable restraint fixing step is not particularly limited and may be performed before the filling step or before the support member fixing step.

[0106] Next, the resistance plate 30 is inserted into the box-shaped wall 10 from above (S9 in Figure 33).

[0107] Next, an insertion step is performed in which the protruding portion 33 of the resistance plate 30 is inserted into the insertion hole 41 of the fixing restraint portion 40 (S6 in Figure 33).

[0108] Next, with the fixed restraining part 40 positioned opposite the upper surface of the movable restraining part 32, the fixed restraining part fixing step is performed to fix the fixed restraining part 40 to the inner wall surface of the box-shaped wall body 10 (S7 in Figure 33).

[0109] Next, a filling process is performed in which viscous fluid 20 is filled into the filling space 12 of the box-shaped wall 10 (S2 in Figure 33). The viscous fluid 20 is filled up to a position near the upper end of the wide portion 13B of the box-shaped wall 10. This completes the viscous wall 1.

[0110] The method for manufacturing the viscous wall 1 according to this embodiment may be applied to any one of embodiments 2 to 10.

[0111] The present invention is not limited to the embodiments described above, and can be applied to various embodiments without departing from its spirit. [Explanation of Symbols]

[0112] 1,1A,1B,1C,1D,1E,1F,1G,1H,1I: Viscous wall, 2: Upper structure, 3: Lower structure, 10: Box-shaped wall, 13A: Narrow section, 13B: Wide section, 14: Support member, 15: Partition plate, 16: Guide member, 20: Viscous fluid, 30,30A,30B: Resistance plate, 31,31A: Resistance plate body, 32,32A,32B: Movable restraining part, 33,33A,33B: Protruding part, 40,40A: Fixed restraining part, 41,41A,41B: Through hole, 50: Spacer, L1 L1: Distance in the second direction between the inner wall surface of the wide section and the wall surface of the resistance plate, L2: Distance in the second direction between the inner wall surface of the narrow section 1 and the resistance plate, L3: Distance of the movable restraining section in the first direction, L4: Distance of the insertion hole in the first direction, L5: Distance of the movable restraining section in the second direction, L6: Distance of the insertion hole in the second direction, L7: Length of the movable restraining section in the first direction when the movable restraining section is projected onto the fixed restraining section in the vertical direction with the resistance plate positioned at the center of the insertion hole in the first direction.

Claims

1. A viscous wall placed between the upper and lower structural elements of a building, A box-shaped wall, fixed to the aforementioned lower structure and opening upward, The viscous fluid filled inside the box-shaped wall, A resistance plate is fixed to the upper structure and formed in the shape of a plate that hangs downward, at least a portion of which is immersed in the viscous fluid when inserted into the box-shaped wall, and is arranged to be movable in a first direction along the plate surface when inserted into the box-shaped wall, The box-shaped wall comprises a fixing restraint portion fixed to the portion of the inner wall surface of the box-shaped wall that is filled with the viscous fluid, and which protrudes inward from the box-shaped wall. The aforementioned resistor plate is A resistance plate body is immersed in the viscous fluid and configured to generate viscous resistance by moving in the first direction, The device comprises a movable restraining part that is immersed in the viscous fluid, fixed to the upper portion of the resistance plate body, and protruding at least from the resistance plate body in the first direction, thereby suppressing the upward movement of the viscous fluid as the resistance plate moves in the first direction, The fixed restraining portion is a viscous wall that is positioned opposite at least a portion of the upper surface of the movable restraining portion and restrains the upward movement of the viscous fluid as the resistance plate moves in the first direction.

2. The viscous wall according to claim 1, wherein the movement-restricting portion is further configured to protrude from the resistance plate body in a second direction intersecting the plate surface of the resistance plate.

3. The viscous wall according to claim 2, wherein the fixing restraint portion is formed to be elongated in the first direction and has an insertion hole through which the resistance plate can be inserted in the vertical direction.

4. The viscous wall according to claim 3, wherein, in the second direction, the distance from one end of the movable restraining portion to the other end is greater than the distance of the insertion hole of the fixed restraining portion.

5. The viscous wall according to claim 3, wherein, in the first direction, the distance from one end of the movable restraining portion to the other end is greater than the distance of the insertion hole of the fixed restraining portion.

6. The viscous wall according to claim 5, wherein, with the resistance plate positioned at the center of the insertion hole in the first direction, the length dimension of the movable restraining portion in the first direction when the movable restraining portion is projected onto the fixed restraining portion in the vertical direction is greater than the cross-sectional dimension of the insertion hole in the first direction.

7. The box-shaped wall comprises a narrow section in which the distance from the resistance plate is narrow in a second direction intersecting the surface of the resistance plate, and a wide section positioned above the narrow section in which the distance from the resistance plate is wider in the second direction than the narrow section. The viscous fluid is filled in the narrow portion and also in at least a portion of the wide portion. The viscous wall according to claim 1, wherein the movable restraining portion is immersed in the viscous fluid filled in the wide portion.

8. The viscous wall according to claim 7, further comprising a support member on the bottom surface of the wide portion that protrudes upward and supports the movable restraining portion from below.

9. The viscous wall according to claim 1, wherein the inner wall surface of the box-shaped wall is provided with a guide member that protrudes inward, guides the movement of the resistance plate in the first direction, and restricts the movement of the resistance plate in a second direction intersecting the plate surface.

10. The viscous wall according to claim 1, comprising a plurality of the resistance plates arranged at intervals in a second direction intersecting the surface of the resistance plate.

11. The viscous wall according to claim 10, wherein the upper ends of the multiple resistance plates are connected by spacers.

12. The viscous wall according to claim 10, wherein a partition plate is fixed to the bottom or side surface of the box-shaped wall body to separate the multiple resistance plates.

13. The viscous wall according to claim 1, wherein the resistance plate comprises a plurality of resistance plate bodies arranged at intervals in a second direction intersecting the surface of the resistance plate.

14. The viscous wall according to claim 13, wherein the resistance plate has a projection that protrudes above the movable restraining portion and is fixed to the upper structure.

15. The resistance plate is provided with a plurality of protrusions that protrude above the movable restraining portion, The viscous wall according to claim 13, wherein the plurality of protrusions are connected by spacers.

16. The viscous wall according to claim 13, wherein a partition plate is fixed to the bottom or side surface of the box-shaped wall body to separate the multiple resistance plate bodies.

17. A method for manufacturing a viscous wall according to any one of claims 1 to 16, A filling step of filling the box-shaped wall with the viscous fluid, A movement-restricting part fixing step for fixing the resistance plate and the movement-restricting part, An immersion step in which the resistance plate on which the movable restraining part is fixed is immersed in the viscous fluid filled in the box-shaped wall, A method for manufacturing a viscous wall, comprising: a fixing restraint portion fixing step of immersing the fixing restraint portion in the viscous fluid filled in the box-shaped wall, positioning the fixing restraint portion so as to face at least a portion of the upper surface of the movable restraint portion, and fixing the fixing restraint portion to the box-shaped wall.

18. The aforementioned movement-restricting portion is further configured to protrude from the resistance plate body in a second direction intersecting the surface of the resistance plate, The resistance plate is provided with a protrusion that extends upward from the movable restraining portion. The fixing restraint portion is formed to be elongated in the first direction and has an insertion hole through which the resistance plate can be inserted in the vertical direction. The method for manufacturing a viscous wall according to claim 17, comprising an insertion step of inserting the protruding portion into the insertion hole.

19. The box-shaped wall comprises a narrow section in which the distance from the resistance plate is narrow in a second direction intersecting the surface of the resistance plate, and a wide section in which the distance from the resistance plate is wider than that of the narrow section in the second direction. Before performing the filling step, a support member fixing step is performed to fix the support member to the bottom surface of the wide portion. A method for manufacturing a viscous wall according to claim 17, wherein in the immersion step, a placement step is performed in which the movable restraining portion of the resistance plate is placed on the support member.

20. In the immersion step, the plurality of resistance plates are arranged with spacing between them in a second direction intersecting the surface of the resistance plates and immersed in the viscous fluid. A method for manufacturing a viscous wall according to claim 17, wherein after performing the fixing restraint part fixing step, a spacer connection step is performed in which the upper ends of a plurality of resistance plates are connected with spacers.

21. In the process of fixing the movable restraint portion, a plurality of resistance plate bodies are formed that hang down below the movable restraint portion and are spaced apart in a second direction intersecting the surface of the resistance plate, and a plurality of protrusions are formed that protrude upward from the movable restraint portion. A method for manufacturing a viscous wall according to claim 17, wherein after performing the fixing restraint portion fixing step, a protrusion connection step is performed in which a plurality of protrusions are connected with spacers.

22. The method for manufacturing a viscous wall according to claim 17, further comprising a guide member fixing step of fixing a guide member to the inner wall surface of the box-shaped wall, the guide member which protrudes inward and guides the movement of the resistance plate in the first direction and restricts the movement of the resistance plate in a second direction intersecting the plate surface of the resistance plate.

23. A method for manufacturing a viscous wall according to any one of claims 1 to 16, A movement-restricting part fixing step for fixing the resistance plate and the movement-restricting part, An insertion step of inserting the resistance plate into the inside of the box-shaped wall, A fixing restraint portion fixing step is to position the fixed restraint portion so as to face at least a portion of the upper surface of the movable restraint portion and fix the fixed restraint portion to the box-shaped wall, A method for manufacturing a viscous wall, comprising a filling step of filling the box-shaped wall with the viscous fluid.

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