Revetment construction, and revetment structure

Abstract

To properly inject water-sealing material and monitor retained water.SOLUTION: A revetment construction constituting a revetment structure installed on impermeable ground comprises: a main body portion formed in a box shape; and a piping portion extending downward from a top surface of the main body portion into the inside of the main body portion and having a lower end portion formed to be connected to a predetermined position on a side face of the main body portion where water-sealing work is located, the piping portion having: an injection pipe portion for injecting water-sealing material from an upper end and supplying it to the side face side; and a water-passing pipe portion for circulating retained water flowing between the side face and the water-sealing work from the lower end portion.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to a revetment structure and a revetment construction. [Background technology]

[0002] A revetment structure such as a managed revetment is a structure in which a number of structures (caissons, L-shaped blocks, etc.) are arranged to surround a target area, with joint structures between adjacent structures. In such revetment structures, a configuration is known in which a piping section is provided to connect the top of the structure to the impermeable ground at the bottom (see, for example, Patent Document 1). This piping section is provided to inject a waterproofing material between the bottom of the structure and the impermeable ground, and to monitor the water level fluctuation and water quality of the retained water that has entered the space between the bottom of the structure and the impermeable ground. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent No. 4410572 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in the configuration of Patent Document 1, it is technically difficult to supply a waterproof material to the space into which the retained water has flowed.

[0005] The present invention has been made in consideration of the above, and aims to provide a revetment structure and a revetment construction that enable appropriate injection of waterproofing material and monitoring of retained water. [Means for solving the problem]

[0006] The revetment structure of the present invention is a revetment structure that constitutes a revetment structure installed on impermeable ground, and comprises a main body portion formed in a box shape, and a piping portion that extends downward from the upper surface of the main body portion into the inside of the main body portion and has a lower end portion formed so as to be connected to a predetermined position where a water-sealing work is to be placed from the side surface of the main body portion, and the piping portion has an injection pipe portion that injects water-sealing material from the upper end and supplies it to the side surface, and a water-passing pipe portion that circulates retained water that flows between the side surface and the water-sealing work from the lower end.

[0007] The revetment structure of the present invention comprises the above-mentioned revetment structure placed on impermeable ground, and the water shielding work placed on the seabed ground and arranged so as to cover the specified position of the side of the main body of the revetment structure. Effect of the Invention

[0008] According to the present invention, it is possible to provide a revetment structure that enables appropriate injection of waterproof material and monitoring of retained water. [Brief description of the drawings]

[0009] [Figure 1] FIG. 1 is a diagram showing an example of a revetment structure according to an embodiment of the present disclosure. [Diagram 2] FIG. 2 is a diagram showing an example of a revetment structure according to an embodiment of the present disclosure. [Diagram 3] FIG. 3 is a diagram showing an example of a revetment structure according to an embodiment of the present disclosure. [Figure 4] FIG. 4 is a cross-sectional view showing an example of a piping section. [Diagram 5] FIG. 5 is a diagram showing an example of a revetment structure according to an embodiment of the present disclosure. [Figure 6] FIG. 6 is a diagram showing an example of a revetment structure according to an embodiment of the present disclosure. [Figure 7] FIG. 7 is a diagram showing an example of a revetment structure according to an embodiment of the present disclosure. [Figure 8] FIG. 8 is a diagram showing another example of a revetment structure according to an embodiment of the present disclosure. [Figure 9] FIG. 9 is a diagram showing another example of a revetment structure according to an embodiment of the present disclosure. [Figure 10] FIG. 10 is a diagram showing another example of a revetment structure according to an embodiment of the present disclosure. [Figure 11] FIG. 11 is a diagram showing another example of a revetment structure according to an embodiment of the present disclosure. [Figure 12] FIG. 12 is a diagram showing a modified example of the revetment structure. [Figure 13] FIG. 13 is a diagram showing a modified example of the revetment structure. [Figure 14] FIG. 14 is a diagram showing a modified example of the revetment structure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Hereinafter, an embodiment of the revetment structure according to the present invention will be described with reference to the drawings. Note that the present invention is not limited to this embodiment. In addition, the components in the following embodiments include those that are replaceable and easy for a person skilled in the art, or those that are substantially the same.

[0011] 1 to 3 are diagrams showing an example of a revetment structure 100 according to an embodiment of the present disclosure. FIG. 1 is a perspective view, and FIGS. 2 and 3 are cross-sectional views. The revetment structure 100 shown in FIGS. 1 to 3 is a revetment structure that is placed in one or more units on an impermeable ground to construct a revetment structure. In this embodiment, the revetment structure 100 is, for example, a hybrid caisson. The revetment structure 100 comprises a main body portion 10 and a plurality of piping portions L.

[0012] The main body 10 is formed in a box shape using, for example, steel and a casting material. The main body 10 may be filled with a casting material inside. The main body 10 has a wall 11, a bottom plate 12, and an upper cover 13. The wall 11, the bottom plate 12, and the upper cover 13 are, for example, rectangular parallelepiped. The bottom plate 12 is disposed at the bottom of the wall 11 and supports the wall 11. The bottom plate 12 protrudes in the second direction D2 relative to the wall 11. In this embodiment, the bottom plate 12 protrudes on both sides of the second direction D2 relative to the wall 11. The upper cover 13 is disposed at the top of the wall 11 and seals the portion surrounded by the wall 11.

[0013] Hereinafter, the direction (longitudinal direction) that is parallel to the horizontal plane and is the long side of the wall portion 11 in the installed state of the revetment structure 100 will be referred to as a first direction D1, and the direction (short side direction) that is parallel to the horizontal plane and is the short side of the wall portion 11 will be referred to as a second direction D2. In addition, the direction perpendicular to the horizontal plane in the installed state of the revetment structure 100 will be referred to as a vertical direction D3.

[0014] The main body 10 has an upper surface 13a at the upper end in the vertical direction D3. The main body 10 has side surfaces 11a, 11b, 11c, and 11d. The side surfaces 11a and 11b are flat side surfaces arranged on both sides of the second direction D2. Hereinafter, the side surfaces 11a and 11b may be referred to as flat side surfaces 11a and 11b. The flat side surfaces 11a and 11b are perpendicular to the second direction D2. The side surfaces 11c and 11d are end side surfaces arranged on both sides of the first direction D1. Hereinafter, the side surfaces 11c and 11d may be referred to as end side side surfaces 11c and 11d. The end side side surfaces 11c and 11d are perpendicular to the first direction D1.

[0015] 2, the multiple piping sections L include piping sections 20 and 30. The piping sections 20 and 30 each extend downward from an upper portion of the main body section 10 into the inside of the main body section 10. The upper ends 20a and 30a of the piping sections 20 and 30 protrude upward from the upper surface 13a of the main body section 10. The piping sections 20 and 30 each have a tube structure having a hollow cross section.

[0016] The piping section 20 is formed so that its lower end 20b is connected to a predetermined position P1 on one flat side surface 11a of the main body section 10 in the second direction D2. The predetermined position P1 is a position where a foot protection waterproofing work, which will be described later, is arranged. An opening 14 is provided at the predetermined position P1. The piping section 20 is connected to the flat side surface 11a side via the opening 14. The piping section 20 has a straight section 20c extending downward in the vertical direction (third direction D3) from the upper end section 20a, and a curved section 20d curved from the lower end of the straight section 20c towards the predetermined position P1.

[0017] The piping section 30 is formed so that the lower end 30b is connected to a predetermined position P2 on the other flat side surface 11b of the main body 10 in the second direction D2. The predetermined position P2 is a position where a foot protection waterproofing work, which will be described later, is arranged. An opening 15 is provided at the predetermined position P2. The piping section 30 is connected to the flat side surface 11b side via the opening 15. The piping section 30 has a straight section 30c extending downward in the vertical direction (third direction D3) from the upper end 30a, and a curved section 30d curved from the lower end of the straight section 30c towards the predetermined position P2.

[0018] The piping parts 20 and 30 each extend downward from an upper part of the main body part 10 into the inside of the main body part 10. The piping parts 20 and 30 each have an upper end part 20a and 30a that protrude upward from the upper surface 13a of the main body part 10.

[0019] The piping section 20 is formed so that its lower end 20b is connected to a predetermined position P1 on one flat side surface 11a of the main body section 10 in the second direction D2. The predetermined position P1 is a position where a foot protection waterproofing work, which will be described later, is arranged. An opening 14 is provided at the predetermined position P1. The piping section 20 is connected to the flat side surface 11a side via the opening 14. The piping section 20 has a straight section 20c extending downward in the vertical direction (third direction D3) from the upper end section 20a, and a curved section 20d curved from the lower end of the straight section 20c towards the predetermined position P1.

[0020] The piping section 30 is formed so that the lower end 30b is connected to a predetermined position P2 on the other flat side surface 11b of the main body 10 in the second direction D2. The predetermined position P2 is a position where a foot protection waterproofing work, which will be described later, is arranged. An opening 15 is provided at the predetermined position P2. The piping section 30 is connected to the flat side surface 11b side via the opening 15. The piping section 30 has a straight section 30c extending downward in the vertical direction (third direction D3) from the upper end 30a, and a curved section 30d curved from the lower end of the straight section 30c towards the predetermined position P2.

[0021] 3, the multiple piping sections L include piping sections 40 and 50. The piping sections 40 and 50 each extend downward from an upper portion of the main body section 10 into the inside of the main body section 10. The piping sections 40 and 50 have upper end portions 40a and 50a that protrude upward from the upper surface 13a of the main body section 10.

[0022] The piping section 40 is formed so that the lower end 40b is connected to a predetermined position P3 on one end face 11c of the main body 10 in the first direction D1. The predetermined position P3 is a position where a joint waterproofing work described later is arranged. An opening 16 is provided at the predetermined position P3. The piping section 40 is connected to the end face 11c side through the opening 16. The piping section 40 has a straight section 40c extending downward in the vertical direction (third direction D3) from the upper end 40a, and a curved section 40d curved from the lower end of the straight section 40c toward the predetermined position P3.

[0023] The piping section 50 is formed so that its lower end 50b is connected to a predetermined position P4 on the other end side surface 11d of the main body 10 in the first direction D1. The predetermined position P4 is a position where a joint waterproofing work, which will be described later, is arranged. An opening 17 is provided at the predetermined position P4. The piping section 50 is connected to the end side surface 11d side through the opening 17. The piping section 50 has a straight portion 50c extending downward in the vertical direction (third direction D3) from the upper end 50a, and a curved portion 50d curved from the lower end of the straight portion 50c toward the predetermined position P4.

[0024] The piping parts 40, 50 each extend downward from an upper part of the main body part 10 into the inside of the main body part 10. The piping parts 40, 50 have upper end parts 40a, 50a that protrude upward from the upper surface 13a of the main body part 10.

[0025] Fig. 4 is a cross-sectional view showing an example of the piping sections 20 and 30. Although Fig. 4 shows the configuration of the piping sections 20 and 30, the same explanation can be applied to the piping sections 40 and 50. In Fig. 4, the reference numerals of the piping sections 40 and 50 corresponding to the piping sections 20 and 30 are shown in parentheses.

[0026] 4, the piping sections 20, 30 have a double pipe structure having outer pipes 21, 31 and inner pipes 22, 32. In this embodiment, the piping sections 20, 30 may have one of the outer pipes 21, 31 and the inner pipes 22, 32 as injection pipe sections 20Q, 30Q and the other as water passage pipe sections 20R, 30R.

[0027] The injection pipes 20Q and 30Q can inject the waterproof material from the upper ends 20a and 30a. As the waterproof material, for example, a waterproof material that conforms to deformation such as an asphalt mixture or a chemical substance is used, but is not limited thereto, and a waterproof material that does not conform to deformation such as a concrete material or an earth material may be used. The injection pipes 20Q and 30Q allow the injected waterproof material to flow inside and can be supplied to the flat side surfaces 11a and 11b from the openings 14 and 15 at the predetermined positions P1 and P2.

[0028] The water passage pipe sections 20R, 30R circulate the retained water that flows between the flat side surfaces 11a, 11b and the foot protection waterproofing work. The greater the amount of retained water that flows between the flat side surfaces 11a, 11b and the foot protection waterproofing work, the greater the amount of retained water that flows from the openings 14, 15 into the inner pipes 22, 32. For this reason, the retained water flows into the inner pipes 22, 32 up to a height position that corresponds to the amount of retained water that flows between the flat side surfaces 11a, 11b and the foot protection waterproofing work.

[0029] Similarly, the piping sections 40, 50 have a double pipe structure having an outer pipe 41, 51 and an inner pipe 42, 52. In this embodiment, the piping sections 40, 50 may have one of the outer pipe 41, 51 and the inner pipe 42, 52 as an injection pipe section 40Q, 50Q and the other as a water passage pipe section 40R, 50R.

[0030] The injection pipes 40Q and 50Q can inject the waterproof material from the upper ends 40a and 50a. The injection pipes 40Q and 50Q allow the injected waterproof material to flow through the inside and can supply it to the gable side surfaces 11c and 11d from the openings 16 and 17 at the predetermined positions P3 and P4.

[0031] The water passage pipe sections 40R, 50R circulate the retained water that flows between the end side surfaces 11c, 11d and the joint waterproofing work. The greater the amount of retained water that flows between the end side surfaces 11c, 11d and the joint waterproofing work, the greater the amount of retained water that flows from the openings 16, 17 into the inner pipes 42, 52. For this reason, the retained water flows into the inner pipes 42, 52 up to a height position that corresponds to the amount of retained water that flows between the end side surfaces 11c, 11d and the joint waterproofing work.

[0032] 5 to 7 are diagrams showing an example of a revetment structure 200 according to an embodiment of the present disclosure. FIG. 5 is a plan view, FIG. 6 is a diagram showing a configuration along the AA section of FIG. 5, and FIG. 7 is a diagram showing a configuration along the BB section of FIG. 5. As shown in FIG. 5, the revetment structure 200 includes a revetment structure 100 and a waterproofing structure 60. In this embodiment, the revetment structure 200 is, for example, a managed revetment that constitutes a marine disposal site for waste. The revetment structure 200 is provided along the outer periphery of a predetermined target area (landfill area) R so as to surround the target area R.

[0033] A plurality of revetment structures 100 are arranged in a line in the first direction D1 on the impermeable ground so that the gable side surfaces 11c, 11d face each other. As shown in FIG. 6, the impermeable ground G is a water-shielding ground that has been impermeable improved by, for example, a CDM (Cement Deep Mixing) method. A groove Ga is formed in the upper part of the impermeable ground G. The groove Ga is formed along the longitudinal direction in which the revetment structure 200 extends. The groove Ga has a bottom Gb and side walls Gc. The bottom Gb is formed along a horizontal plane. The side walls Gc are formed at both ends of the revetment structure 200 in the width direction perpendicular to the longitudinal direction. The side walls Gc are formed perpendicular or nearly perpendicular to the horizontal plane.

[0034] The waterproof structure 60 has a foot-blocking waterproof work 61. As shown in Fig. 6, the foot-blocking waterproof work 61 is arranged so as to fill the gap between the revetment structure 100 and the side wall Gc. The foot-blocking waterproof work 61 is provided so as to cover a part of the lower side of the flat side surfaces 11a, 11b of the main body 10. For the foot-blocking waterproof work 61, a deformation-compliant waterproof material such as an asphalt mixture or a chemical substance is used. Note that a deformation-non-compliant waterproof material such as a concrete material or an earth material may be used as the foot-blocking waterproof work 61.

[0035] The above-mentioned piping sections 20, 30 are arranged at predetermined positions P1, P2 where the lower ends 20b, 30b are connected to the foot protection waterproofing work 61 via the openings 14, 15.

[0036] Further, the waterproofing structure 60 has a joint waterproofing work 62 as shown in FIG. 7. A joint material 63 is arranged between the revetment structures 100. Two joint materials 63 are arranged between the revetment structures 100 with a gap therebetween in the second direction. The joint waterproofing work 62 is arranged between the joint materials 63 to seal the gap between the revetment structures 100. The joint waterproofing work 62 is configured to be provided in two layers in the second direction. For the joint waterproofing work 62, a deformation-compliant waterproofing material such as an asphalt mixture or a chemical substance is used. Note that a deformation-non-compliant waterproofing material such as a concrete material or an earth material may be used as the joint waterproofing work 62. The joint waterproofing work 62 is formed so that the covering pressure of the waterproofing material of the joint waterproofing work 62 is equal to or lower than the covering pressure of the impermeable ground G in order to prevent the waterproofing material from leaking into the impermeable ground G.

[0037] The above-mentioned piping sections 40, 50 are arranged at predetermined positions P3, P4 where the lower ends 40b, 50b are connected to the joint waterproofing structure 62 via the openings 16, 17.

[0038] In the revetment structure 200 configured as described above, when the revetment structure 100 vibrates due to an earthquake or the like, the waterproof structure 60 (the foot protection waterproof structure 61 and the joint waterproof structure 62) may be deformed by the pressure of the revetment structure 100. When this deformation occurs, a space is formed between the revetment structure 10 and the waterproof structure 60, and retained water and waste (landfill material) may enter the space.

[0039] Depending on the presence or absence of a space between the flat side surfaces 11a, 11b and the foot protection waterproofing work 61 and the size of the space, a worker can inject a waterproofing material, for example, from the outer pipes 21, 31. The injected waterproofing material is supplied to the flat side surfaces 11a, 11b through the outer pipes 21, 31, and reinforces the foot protection waterproofing work 61. This improves the waterproofing property of the foot protection waterproofing work 61.

[0040] Similarly, workers can inject waterproofing material, for example, from outer pipes 41, 51, depending on the presence or absence of a gap between the gable side surfaces 11c, 11d and the joint waterproofing work 62 and the size of the gap. The injected waterproofing material is supplied to the gable side surfaces 11c, 11d through the outer pipes 41, 51, reinforcing the joint waterproofing work 62. This improves the waterproofing property of the joint waterproofing work 62.

[0041] Since the outer pipes 21, 31, 41, 51 have a larger cross-sectional area than the inner pipes 22, 32, 42, 52, by injecting the water-shielding material from the outer pipes 21, 31, 41, 51, the water-shielding material can be supplied more efficiently than by injecting it from the inner pipes 22, 32, 42, 52. For example, in winter, the fluidity of the water-shielding material can be increased by injecting hot water, high-pressure and high-temperature air, or warm water from the inner pipes 22, 32, 42, 52. Note that the worker may inject the water-shielding material from the inner pipes 22, 32, 42, 52, and inject hot water, high-pressure and high-temperature air, or warm water from the outer pipes 21, 31, 41, 51. In this case, the fluidity of the water-shielding material can be further increased.

[0042] Furthermore, for example, by measuring the height position (water level) of the retained water in the inner pipes 22, 32, the worker can determine the amount of retained water flowing between the flat sides 11a, 11b and the foot protection waterproofing work 61, i.e., the degree of water inundation in the foot protection waterproofing work 61. Furthermore, by analyzing the components of the retained water flowing into the inner pipes 22, 32, the worker can confirm the state of the retained water.

[0043] Similarly, by measuring the height (water level) of the retained water in the inner pipes 42, 52, for example, the worker can determine the amount of retained water flowing between the gable side surfaces 11c, 11d and the joint waterproofing work 62, i.e., the degree of water inundation in the joint waterproofing work 62. The worker can also check the condition of the retained water by analyzing the components of the retained water flowing into the inner pipes 42, 52.

[0044] FIG. 8 is a diagram showing another example of a revetment structure according to an embodiment of the present disclosure. In the revetment structure 200A shown in FIG. 8, the piping section 20A is formed so that the lower end 20b is connected to a predetermined position P5 of one of the slopes 12a in the second direction D2 of the bottom slab section 12 of the main body section 10. The predetermined position P5 is a position where the foot protection waterproofing work 61 is arranged. An opening 14A is provided at the predetermined position P5. The piping section 20A is connected to the slope 12a side of the bottom slab section 12 through the opening 14A. The piping section 20A has a straight section 20c extending downward in the vertical direction (third direction D3) from the upper end section 20a, and a curved section 20d curved from the lower end of the straight section 20c toward the predetermined position P5. Note that, as shown by a dashed line in FIG. 8, the predetermined position P5 may be provided, for example, on one side surface 12c in the second direction D2 of the bottom slab section 12. In this case, the piping portion 20A has a lower end portion 20b connected to a predetermined position P5 on one side surface 12c of the bottom plate portion 12 in the second direction D2.

[0045] The piping section 30A is formed so that the lower end 30b is connected to a predetermined position P6 of the other slope 12b of the bottom slab 12 of the main body 10 in the second direction D2. The predetermined position P6 is a position where the foot protection waterproofing work 61 is arranged. An opening 15A is provided at the predetermined position P6. The piping section 30A is connected to the slope 12b side of the bottom slab 12 through the opening 15A. The piping section 30A has a straight section 30c extending downward in the vertical direction (third direction D3) from the upper end 30a, and a curved section 30d curved from the lower end of the straight section 30c toward the predetermined position P6. Note that, as shown by the dashed line in FIG. 8, the predetermined position P6 may be provided, for example, on the other side surface 12d of the bottom slab 12 in the second direction D2. In this case, the piping portion 30A has a lower end portion 30b connected to a predetermined position P6 on the other side surface 12d of the bottom plate portion 12 in the second direction D2.

[0046] FIG. 9 is a diagram showing another example of a revetment structure according to an embodiment of the present disclosure. In the revetment structure 200B shown in FIG. 9, the piping section 20B is formed so that the lower end 20b is connected to a predetermined position P7 protruding in the second direction D2 from one flat side surface 11a of the base plate section 12 of the main body section 10 toward the foot protection waterproofing work 61 side. The predetermined position P7 is a position where the foot protection waterproofing work 61 is arranged. The flat side surface 11a is provided with an opening 14B at a position where the piping section 20B protrudes. The piping section 20B has a straight section 20c extending downward in the vertical direction (third direction D3) from the upper end section 20a, a curved section 20d curved from the lower end of the straight section 20c toward the opening 14B, and a protruding section 20e protruding from the opening 14B. In FIG. 9, the protruding section 20e is configured to extend laterally from the opening 14B and curve downward, but is not limited to this configuration. The tip of the protruding portion 20e is the lower end portion 20b of the pipe portion 20B.

[0047] The piping section 30B is formed so that the lower end 30b is connected to a predetermined position P8 protruding in the second direction D2 from the other flat side surface 11b of the base plate section 12 of the main body section 10 toward the foot protection waterproofing work 61 side. The predetermined position P8 is a position where the foot protection waterproofing work 61 is arranged. The flat side surface 11b is provided with an opening 15B at a position where the piping section 30B protrudes. The piping section 30B has a straight section 30c extending downward in the vertical direction (third direction D3) from the upper end section 30a, a curved section 30d curved from the lower end of the straight section 30c toward the opening 15B, and a protruding section 30e protruding from the opening 15B. In FIG. 9, the protruding section 30e is configured to extend laterally from the opening 15B and curve downward, but is not limited to this configuration. The tip of the protruding section 30e is the lower end section 30b of the piping section 30B.

[0048] 10 and 11 are diagrams showing another example of a revetment structure according to an embodiment of the present disclosure. In Fig. 10 and Fig. 11, the configuration on the sea side (ocean area side) is omitted. In the revetment structures 200C and 200D such as the managed revetment structure shown in Fig. 10 and Fig. 11, a riprap sloped embankment is formed that slopes from the shore to the sea side. The revetment structure is arranged to extend from the shore where the riprap sloped embankment is formed to the sea side so as to surround a target area such as a reclaimed area. In such revetment structures 200C and 200D, at the intersection between the revetment structures 100C and 100D and the riprap sloped embankment, a waterproof sheet 64 is attached to the revetment structures 100C and 100D side, and a waterproof material 65 is filled along the slope on the riprap sloped embankment side, and the waterproof sheet 64 and the waterproof material 65 are joined together.

[0049] In such a configuration, for example, as shown in FIG. 10, a piping section 30C may be provided in which the lower end 30b is connected to a predetermined position P9 of the main body 10, which is a joint between the waterproof sheet 64 and the waterproof material 65. An opening 15C is provided at the predetermined position P9. The piping section 30C is connected to the flat side surface 11b (waterproof sheet 64) side through the opening 15C. The piping section 30C has a straight portion 30c extending downward from the upper end 30a in the vertical direction (third direction D3), and a curved portion 30d curved from the lower end of the straight portion 30c toward the predetermined position P9. Note that, as shown by the dashed line in FIG. 10, the piping section 30C may be formed so that the lower end 30b is connected to a predetermined position P10 protruding in the second direction D2 from the flat side surface 11b of the main body 10 toward the waterproof material 65.

[0050] Also, for example, in the configuration shown in FIG. 11, the piping section 30D is formed so that the lower end 30b is connected to a predetermined position P11 protruding from the flat side surface 11b toward the waterproof material 65 in the second direction D2. The predetermined position P11 is a position where the waterproof material 65 is disposed. The flat side surface 11b is provided with an opening 15D at a position where the piping section 30D protrudes. The piping section 30D has a straight section 30c extending downward in the vertical direction (third direction D3) from the upper end 30a, a curved section 30d curved from the lower end of the straight section 30c toward the opening 15D, a protruding section 30e protruding from the opening 15D in the second direction D2, a second curved section 30f curved downward in the vertical direction from the protruding section 30e, and a second straight section 30g extending downward in the vertical direction from the second curved section 30f. 11, a piping section 30D of a revetment structure 100D has a second curved section 30f disposed above the waterproof material 65, and a second straight section 30g extending vertically downward from the second curved section 30f is connected to the waterproof material 65. In addition, the tip of the second straight section 30g is the lower end section 30b.

[0051] Figures 12 to 14 are diagrams showing modified examples of the revetment structure shown in Figure 11. Figures 12 to 14 show enlarged views of the configuration of the piping section. In the revetment structures 100E, 100F, and 100G shown in Figures 12 to 14, movable piping sections 33E, 33F, and 33G are arranged at the lower ends 30b of the piping sections 30E, 30F, and 30G, respectively.

[0052] In a revetment structure 100E shown in Fig. 12, a movable pipe section 33E is disposed on the outer periphery side of a pipe section 30E. That is, a lower end section 30b of the pipe section 30E is inserted into the movable pipe section 33E.

[0053] In the revetment structure 100F shown in Fig. 13, the movable piping section 33F is disposed on the outer periphery side of the piping section 30F. That is, the movable piping section 33F is inserted into the lower end section 30b of the piping section 30F.

[0054] In the revetment structure 100G shown in Fig. 14, a piping section 30G extending linearly in the up-down direction D3 is connected to the main body 10 on the second direction D2 side. In this configuration, the movable piping section 33G is disposed on the outer periphery side of the piping section 30G. That is, the lower end 30b of the piping section 30G is inserted into the movable piping section 33G. Note that the revetment structure 100G shown in Fig. 14 may be configured such that the movable piping section 33G is disposed on the outer periphery side of the piping section 30G, that is, the movable piping section 33G is inserted into the lower end 30b of the piping section 30G.

[0055] 12 to 14, the movable pipe sections 33E, 33F, and 33G extend linearly in the vertical direction D3. The movable pipe sections 33E, 33F, and 33G are movable in the vertical direction D3 relative to the pipe sections 30E, 30F, and 30G, respectively. The second linear sections 30g of the pipe sections 30E, 30F, and 30G are connected to the waterproof material 65 via the movable pipe sections 33E, 33F, and 33G.

[0056] In addition, the movable pipe sections 33E, 33F, and 33G are arranged so that their lower ends are located lower than the lower ends 30b of the pipe sections 30E, 30F, and 30G, respectively, as an example, but are not limited to this configuration. The movable pipe sections 33E, 33F, and 33G may be arranged so that their lower ends are at the same height in the up-down direction as the lower ends 30b of the pipe sections 30E, 30F, and 30G. In addition, the movable pipe sections 33E and 33G provided on the outer periphery of the pipe sections 30E and 30G may be arranged so that their lower ends are located higher than the lower ends 30b of the pipe sections 30E and 30G.

[0057] 12 to 14, if the support base of the main body 10 and the support base of the water-shielding material 65 are not integrated, for example, the water-shielding material 65 may sink with respect to the main body 10. Due to the sinking of the water-shielding material 65, the lower end 30b of the piping section 30D may come out of the water-shielding material 65.

[0058] In response to this, as shown in Fig. 12 to Fig. 14, movable pipe sections 33E, 33F, and 33G are disposed at the lower end portions 30b of the pipe sections 30E, 30F, and 30G, respectively, and the vertical dimensions (lengths) of the movable pipe sections 33E, 33F, and 33G are preset to be greater than the expected subsidence amount of the waterproofing material 65, so that when the waterproofing material 65 subsides, the movable pipe sections 33E, 33F, and 33G move downward together with the waterproofing material 65. In this case, the pipe sections 30E, 30F, and 30G maintain a state of being inserted into the movable pipe sections 33E, 33F, and 33G. Therefore, even if the lower end portions 30b of the pipe sections 30E, 30F, and 30G come out of the waterproofing material 65, the connection between the lower end portions 30b and the waterproofing material 65 is maintained via the movable pipe sections 33E, 33F, and 33G.

[0059] The movable piping parts 33E, 33F, 33G are provided at their lower ends with flange parts 34E, 34F, 34G that protrude radially outward. The movable piping parts 33E, 33F, 33G are arranged in a state in which the flange parts 34E, 34F, 34G are inserted into the waterproofing material 65. By arranging the flange parts 34E, 34F, 34G in this manner, when the waterproofing material 65 sinks, the load of the waterproofing material 65 can be received by the flange parts 34E, 34F, 34G. Therefore, when the waterproofing material 65 sinks, the downward movement of the movable piping parts 33E, 33F, 33G can be promoted. The movable piping parts 33E, 33F, 33G may have a double pipe structure having an outer pipe and an inner pipe. When the movable piping parts 33E, 33F, 33G have a double pipe structure, the flange parts 34E, 34F, 34G can be provided on the outer pipe.

[0060] As described above, according to the first aspect of the present disclosure, the revetment structure 100 constituting the revetment structure 200 to be installed on an impermeable ground G includes a main body 10 formed in a box shape, a lower end portion (20b, 30b, 40b, 50b) extending downward from an upper surface 13a of the main body 10 into the inside of the main body 10, and a lower end portion (20b, 30b, 40b, 50b) extending from a side surface (11a, 11b, 11c, 11d) of the main body 10 to a predetermined position (P1, P2) where a water shielding structure (61, 62) is to be disposed. The revetment structure 100 includes a piping section L formed to be connected to upper ends (P1, P2, P3, P4, P5, P6, P7, P8) of the side walls of the revetment structure 100, the piping section L having injection pipe sections (20Q, 30Q, 40Q, 50Q) that inject water-blocking material from upper ends (20a, 30a, 40a, 50a) and supply it to the side walls, and water-passing pipe sections (20R, 30R, 40R, 50R) that circulate retained water flowing between the side walls and the water-blocking structure from the lower ends.

[0061] According to this configuration, the piping section L extends downward from the upper surface 13a of the main body 10 into the inside of the main body 10, and the lower ends (20b, 30b, 40b, 50b) are connected from the side surfaces (11a, 11b, 11c, 11d) of the main body 10 to the predetermined positions (P1, P2, P3, P4, P5, P6, P7, P8) where the waterproofing works (61, 62) are arranged, so that when retained water flows into the space between the predetermined positions and the waterproofing works, the waterproofing material can be appropriately supplied to the space and the retained water that has flowed into the space can be appropriately monitored. Therefore, it is possible to provide a revetment structure 100 that allows for appropriate injection of the waterproofing material and monitoring of the retained water.

[0062] According to the second aspect of the present disclosure, in the embankment structure 100 of the first aspect, the main body 10 has a shape extending in a first direction D1 along a horizontal plane when installed, and the predetermined positions P1, P2 are provided on at least one of the flat side surfaces 11a, 11b on both sides of the main body 10 in a second direction D2 perpendicular to the first direction D1 and along the horizontal plane.

[0063] According to this configuration, injection of the waterproof material and monitoring of the retained water can be appropriately performed for at least one of the flat side surfaces 11a, 11b.

[0064] According to the third aspect of the present disclosure, in the embankment structure 100 relating to the second aspect, a plurality of piping sections L are provided, and each of the plurality of piping sections L has a piping section 20 connected to one flat side surface 11a in the second direction D2 and a piping section 30 connected to the other flat side surface 11b in the second direction D2.

[0065] According to this configuration, injection of waterproof material and monitoring of retained water can be appropriately performed for both flat side surfaces 11a, 11b.

[0066] According to the fourth aspect of the present disclosure, in the revetment structure 100 relating to the first aspect, the main body 10 is in the shape of a rectangular box extending in the first direction D1 along a horizontal plane when installed, and the predetermined positions P3, P4 are provided on at least one of the gable side surfaces 11c, 11d on both sides of the first direction D1 among the side surfaces of the main body 10.

[0067] According to this configuration, the injection of the waterproof material and the monitoring of the retained water can be appropriately performed for at least one of the gable side surfaces 11c, 11d.

[0068] According to the fifth aspect of the present disclosure, in the embankment structure 100 relating to the fourth aspect, a plurality of piping sections L are provided, and the plurality of piping sections L include a piping section 40 connected to one end side surface 11c in the second direction D2 and a piping section 50 connected to the other end side surface 11d in the second direction D2.

[0069] According to this configuration, the injection of waterproofing material and the monitoring of retained water can be appropriately performed for both of the gable side surfaces 11c, 11d.

[0070] According to the sixth aspect of the present disclosure, the main body 10 has a shape extending in a first direction D1 along a horizontal plane when installed, and has a wall portion 11 and a bottom plate portion 12 provided at the bottom of the wall portion 11 and protruding in a second direction D2 from the wall portion 11, and the predetermined positions P5, P6 are provided on at least one of the two sides of the bottom plate portion 12 of the main body 10 in the second direction D2 (inclined surfaces 12a, 12b, side surfaces 12c, 12d).

[0071] According to this configuration, the injection of waterproofing material and monitoring of retained water can be appropriately performed for the inclined surfaces 12a, 12b or the side surfaces 12c, 12d of the base slab portion 12 provided at the bottom of the wall portion 11.

[0072] According to the seventh aspect of the present disclosure, the main body 10 has a shape extending in the first direction D1 along a horizontal plane when installed, and the predetermined positions P7, P8 are provided at positions protruding in the second direction D2 from at least one of the flat side surfaces 11a, 11b on both sides of the main body 10 in the second direction D2.

[0073] According to this configuration, injection of the waterproof material and monitoring of the retained water can be appropriately performed at a position protruding from at least one of the flat side surfaces 11a, 11b of the wall portion 11 in the second direction D2.

[0074] According to the eighth aspect of the present disclosure, in a revetment structure 100 relating to any of the first to seventh aspects, the piping section L has a straight section (20c, 30c, 40c, 50c) extending vertically downward from an upper end (20a, 30a, 40a, 50a), and a curved section (20d, 30d, 40d, 50d) curved from the lower end of the straight section toward a predetermined position P1, P2.

[0075] According to this configuration, the piping section L can be appropriately connected to a predetermined position on the side surface through the inside of the main body section 10.

[0076] According to a ninth aspect of the present disclosure, in the revetment structure 100 according to any one of the first to eighth aspects, the piping section L is a pipe structure having a hollow cross section.

[0077] According to this configuration, the water-blocking material or the retained water can be reliably circulated through the hollow cross-sectional portion of the piping section L.

[0078] According to a tenth aspect of the present disclosure, in a revetment structure 100 relating to any of the first to eighth aspects, the piping section L is a double pipe structure having an outer pipe (21, 31, 41, 51) and an inner pipe (22, 32, 42, 52), one of the outer pipe and the inner pipe is an injection pipe section (20Q, 30Q, 40Q, 50Q) and the other is a water passage pipe section (20R, 30R, 40R, 50R).

[0079] According to this configuration, by making the piping section L a double pipe structure, the installation space for the piping section L can be saved.

[0080] According to an eleventh aspect of the present disclosure, there is provided a revetment structure 200 comprising a revetment structure 100 described in any one of the first to ninth aspects placed on an impermeable ground G, and a water shielding work placed on the impermeable ground G and arranged to cover predetermined positions P1, P2 on the side of the main body 10 of the revetment structure 100.

[0081] According to this configuration, it is possible to provide a revetment structure 200 that enables appropriate injection of waterproof material and monitoring of retained water.

[0082] According to the twelfth aspect of the present disclosure, in the embankment structure 200 relating to the eleventh aspect, the main body 10 has a shape extending in a first direction D1 along a horizontal plane when installed, the predetermined positions P1, P2 are provided on at least one of the flat side surfaces 11a, 11b on both sides of the main body 10 in a second direction D2 perpendicular to the first direction D1 and along the horizontal plane, and the waterproofing work is a root reinforcement waterproofing work 61 covering a portion of the lower side of the flat side surfaces 11a, 11b of the main body 10.

[0083] According to this configuration, when retained water flows into the space between the flat side surfaces 11a, 11b and the root reinforcement waterproofing work 61, waterproofing material can be appropriately supplied to the space, and the retained water that has flowed into the space can be appropriately monitored.

[0084] According to the 13th aspect of the present disclosure, in the revetment structure 200 relating to the 11th aspect, the main body 10 is in the shape of a rectangular box extending in a first direction D1 along a horizontal plane when installed, the predetermined positions P1, P2 are provided on at least one of the gable side surfaces 11c, 11d on both sides of the main body 10 in the first direction D1, a plurality of revetment structures 100 are provided in the first direction D1 so that the gable side surfaces 11c, 11d face each other, and the waterproofing work is a joint waterproofing work 62 arranged to seal the space between adjacent revetment structures 100.

[0085] According to this configuration, if retained water flows into the space between the gable side surfaces 11c, 11d and the joint waterproofing work 62, waterproofing material can be appropriately supplied to the space, and the retained water that has flowed into the space can be appropriately monitored.

[0086] According to the 14th aspect of the present disclosure, in the revetment structures 200C, 200D relating to the 11th aspect, the revetment structures (100C, 100D, 100E, 100F, 100G) are arranged to extend from the shore toward the sea so as to surround the target area, the main body 10 has a waterproof sheet 64 affixed to the flat side surface 11b on the shore side, and the waterproof work is a waterproof material 65 arranged on the ground on the shore side of the main body 10 and joined to the waterproof sheet 64, and the predetermined positions P10, P11 are positions where the waterproof material 65 is arranged.

[0087] According to this configuration, when retained water flows into the space between the flat side surface 11b on the shore side and the water-shielding material 65, water-shielding material can be appropriately supplied to the space, and the retained water that has flowed into the space can be appropriately monitored.

[0088] According to the 15th aspect of the present disclosure, in the embankment structure 200D relating to the 11th aspect, the piping section L of the embankment structures 100D, 100E, 100F, 100G has a protruding portion 30e protruding toward the shore from the flat side surface 11b, a second curved portion 30f curved vertically downward from the protruding portion 30e, and a second straight portion 30g extending vertically downward from the second curved portion 30f, and the lower end of the second straight portion 30g is connected to the water-shielding material 65.

[0089] According to this configuration, the pipe L can be appropriately connected to the predetermined position P11 where the waterproof material 65 is arranged.

[0090] According to the 16th aspect of the present disclosure, in the embankment structure 200D relating to the 11th aspect, movable piping sections 33E, 33F, and 33G that are movable in the vertical direction relative to the second straight section 30g are arranged at the lower end of the second straight section 30g, and the second straight section 30g is connected to the water-proof material 65 via the movable piping sections 33E, 33F, and 33G.

[0091] According to this configuration, when the waterproof material 65 sinks, the movable piping parts 33E, 33F, and 33G move downward integrally with the waterproof material 65. Therefore, even when the waterproof material 65 sinks, the connection between the lower end part 30b and the waterproof material 65 can be maintained via the movable piping parts 33E, 33F, and 33G.

[0092] The technical scope of the present invention is not limited to the above embodiment, and can be modified as appropriate without departing from the spirit of the present invention. For example, in the above embodiment, the piping section L has a double pipe structure having an outer pipe and an inner pipe, but is not limited to this configuration. A configuration in which a pipe corresponding to the outer pipe and a pipe corresponding to the inner pipe are provided separately may also be used.

[0093] In the above embodiment, the multiple pipe sections L include the pipe sections 20, 30, 40, and 50. However, the present invention is not limited to this configuration. For example, the configuration may be such that at least one of the pipe sections 20, 30, 40, and 50 is not provided.

[0094] In the above embodiment, the piping section L is cylindrical, but the present invention is not limited to this configuration. The piping section L may be rectangular tubular. The piping section L may be column-shaped, such as a U-column. The piping section L may be sheet-pile-shaped, such as an H-shaped sheet pile. The material of the piping section L is not limited to steel, and may be other materials, such as lumber core.

[0095] In the above embodiment, the piping section L has a straight portion and a curved portion, but is not limited to this configuration. The piping section L may be linear from the upper end to the lower end. In this case, the piping section L is arranged to be inclined from the upper end to the lower end. [Explanation of symbols]

[0096] 10 Main body 11 Wall 11a,11b Flat side (side) 11c, 11d Gable side (side) 12 Bottom plate part 12a,12b Slope 12c,12d side 13 Top cover 13a Top side 14,14A,14B,15,15A,15B,15C,16,17 Opening 20Q,30Q,40Q,50Q Injection pipe section 20R,30R,40R,50R Water pipe section 20a,30a,40a,50a Upper end 20b,30b,40b,50b Lower end 20c,30c,30g,40c,50c Straight section 20d, 30d, 30f, 40d, 50d curved section 20e,30e protrusion 21,31,41,51 outer tube 22,32,42,52 Inner pipe 33E,33F,33G Movable piping section 34E, 34F, 34G flange section 41 Water impermeable layer 60 Water-resistant structure 61 Foot protection waterproofing work 62 Watertight joints 63 Joint material 64 Waterproof Sheet 65 Water-impermeable material 100, 100A, 100B, 100C, 100D, 100E, 100F, 100G Revetment structure Revetment structures 200, 200A, 200B, 200C, 200D D1 First direction D2 Second direction D3 Vertical direction G Impermeable ground Ga Groove part Gb Bottom part Gc Side wall Pipe parts L, 20, 20A, 20B, 30, 30A, 30B, 30C, 30D, 30E, 30F, 30G, 40, 50 Predetermined positions P1, P2, P3, P4, P5, P6, P7, P8, P9, P10 R Target area

Claims

1. A revetment structure constituting a revetment structure installed on impermeable ground, A main body formed in a box shape; a piping section extending downward from an upper surface of the main body section into the main body section and having a lower end section formed so as to be connected to a side surface of the main body section at a predetermined position where a waterproofing structure is to be disposed; Equipped with The piping section includes an injection pipe section that injects a waterproof material from an upper end portion and supplies it to the side surface side, and a water passage pipe section that circulates retained water that flows between the side surface and the waterproof structure from the lower end portion. Embankment structure.

2. The main body has a shape extending in a first direction along a horizontal plane in an installed state, The predetermined position is provided on at least one of the flat side surfaces on both sides of the main body in a second direction perpendicular to the first direction and along the horizontal plane. The revetment structure according to claim 1.

3. The piping section is provided in plurality, The plurality of piping sections include a piping section connected to one of the flat side surfaces in the second direction and a piping section connected to the other flat side surface in the second direction. The revetment structure according to claim 2.

4. The main body has a rectangular box shape extending in a first direction along a horizontal plane in an installed state, The predetermined position is provided on at least one of the side surfaces of the main body portion on both sides in the first direction. The revetment structure according to claim 1.

5. The piping section is provided in plurality, The plurality of piping sections include the piping section connected to one of the end side surfaces in the first direction and the piping section connected to the other end side surface in the first direction. The revetment structure according to claim 4.

6. The main body has a shape extending in a first direction along a horizontal plane in an installed state, and has a wall portion and a bottom plate portion provided at a bottom of the wall portion and protruding in a second direction along the horizontal plane perpendicular to the first direction with respect to the wall portion, The predetermined position is provided on at least one of both sides of the body portion in the second direction of the bottom plate portion. The revetment structure according to claim 1.

7. The main body has a shape extending in a first direction along a horizontal plane in an installed state, The predetermined position is provided at a position protruding in the second direction from at least one of flat side surfaces on both sides of the main body in a second direction perpendicular to the first direction and along the horizontal plane. The revetment structure according to claim 1.

8. The piping portion has a straight portion extending vertically downward from the upper end portion, and a curved portion curved from a lower end of the straight portion toward the predetermined position. The revetment structure according to claim 1.

9. The piping section is a pipe structure having a hollow cross section. The revetment structure according to claim 1.

10. The piping section has a double pipe structure having an outer pipe and an inner pipe, One of the outer pipe and the inner pipe is the injection pipe portion, and the other is the water passage pipe portion. The revetment structure according to claim 1.

11. The revetment structure according to any one of claims 1 to 4, which is disposed on impermeable ground; the waterproofing work is disposed on the impermeable ground and disposed so as to cover the predetermined portion of the side surface of the main body of the revetment structure; A revetment structure equipped with:

12. The main body has a shape extending in a first direction along a horizontal plane in an installed state, The predetermined position is provided on at least one of flat side surfaces on both sides of the main body in a second direction perpendicular to the first direction and along the horizontal plane, The waterproofing work is a foot-protection waterproofing work that covers a part of the lower side of the flat side surface of the main body. The revetment structure according to claim 11.

13. The main body has a rectangular box shape extending in a first direction along a horizontal plane in an installed state, The predetermined position is provided on at least one of the side surfaces of the main body portion on both sides in the first direction, The revetment structure is provided in a plurality of locations in the first direction such that the gable side surfaces face each other, The waterproofing work is a joint waterproofing work arranged so as to seal the gap between the adjacent revetment structures. The revetment structure according to claim 11.

14. The revetment structure is disposed so as to extend from the shore toward the sea so as to surround the target area, The main body has a waterproof sheet attached to the flat side facing the shore, The waterproofing work is a waterproofing material that is placed on the ground on the shore side of the main body and joined to the waterproof sheet, The predetermined position is a position where the waterproof material is disposed. The revetment structure according to claim 11.

15. The piping section of the revetment structure has a protruding portion protruding from the flat side surface toward the bank, a second curved portion curved vertically downward from the protruding portion, and a second straight portion extending vertically downward from the second curved portion, The lower end of the second straight portion is connected to the water impermeable material. The revetment structure according to claim 14.

16. A movable piping section that is movable in the up-down direction relative to the second straight section is disposed at a lower end of the second straight section, The second straight portion is connected to the waterproof material via the movable piping portion. The revetment structure according to claim 15.

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