Detachable prefabricated modular shear wall based on profile steel connection, and assembly method thereof

A shear wall and prefabricated formwork technology, applied to walls, buildings, building components, etc., can solve the problems of poor popularization, labor and time-consuming, complicated operation, etc., and achieve the effects of saving construction costs, easier inspection of quality, and accurate positioning

Active Publication Date: 2019-05-03

HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

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AI-Extracted Technical Summary

Problems solved by technology

[0006] Secondly, from the perspective of structural performance, it is difficult to guarantee the design of strong joints and weak members after pouring joints.

[0007] From the perspective of construction technology, the operation of pouring concrete into the joint formwork is complicated, and the post-cast concrete solidification process of the joint needs special support, which is labor-intensive and time-consuming

Moreover, under wet connection, the splicing structure is disposable, and the splicing components ca...

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Method used

Shown in Fig. 1, the present invention provides a kind of detachable prefabricated modularized shear wall based on section steel connection (hereinafter referred to as: body of wall) is stronger than cast-in-place prefabricated shear wall on the realization intensity, in function Compared with the cast-in-place structure, it can better meet the design requirements of strong joints. The use of section steel as the connection method of prefabricated components can provide more accurate positioning, faster installation, easier quality inspection, and construction cost savings than traditional wet connections.

[0044] Preferably, the length direction of the upper strip steel plate 15 and the lower strip steel plate 16 are horizontally set, and the width direction is vertically set, and this technical scheme makes the fixing strength higher.

[0046] On the basis of Embodiment 2,...

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Abstract

The invention provides a detachable prefabricated modular shear wall based on profile steel connection, and an assembly method thereof. The detachable prefabricated modular shear wall comprises a reinforced concrete wall, an upper steel connecting part, a lower steel connecting part and a middle reinforcing connecting part, wherein first screw holes are formed in the tops of I-shaped steel platesat the two ends of the upper steel connecting part, second screw holes are formed in web plates of the I-shaped steel plates at the two ends of the upper steel connecting part, and first bolts are pre-mounted in the first screw holes; third screw holes are formed in the bottoms of steel foot seat plates at the two ends of the lower steel connecting part, and fourth screw holes are formed in I-shaped steel web plates at the edge of the lower steel connecting part; middle screw holes are formed in web plates of I-shaped steel plates at the two ends of the middle reinforcing connecting part; andthe detachable prefabricated modular shear wall further comprises strip-shaped steel plates, steel bars and concentric-square-shaped steel rings. The invention further provides the assembly method. The strength realized by the detachable prefabricated modular shear wall is equal to the strength of a cast-in-place prefabricated shear wall, and the detachable prefabricated modular shear wall more meets the strong joint design requirements in function compared with a wet connection structure; and the mode that profile steel serves as prefabricated components for connection is adopted, and compared with traditional wet connection, the advantages that positioning is more accurate, installation is faster, the quality is easier to check, and the construction cost is saved are achieved.

Application Domain

Walls

Technology Topic

RebarSteel plates +4

Image

Examples

Experimental program(4)

Example Embodiment

[0031] Example 1

[0032] Depend on figure 1 As shown in the figure, the present invention provides a detachable prefabricated modular shear wall (hereinafter referred to as: wall) based on section steel connection. Meet the strong node design requirements. Using section steel as the connection method of prefabricated components can achieve the advantages of more accurate positioning, faster installation, easier quality inspection, and saving construction costs than traditional wet connections.

[0033] like figure 2 As shown, the present invention includes a reinforced concrete wall 100, an upper steel connecting piece 200, a lower steel connecting piece 300 and a middle reinforcing connecting piece 400, an upper steel connecting piece 200, a lower steel connecting piece 300 and a middle reinforcing connecting piece 400 are embedded in the top, bottom and middle of the reinforced concrete wall 100 respectively.

[0034] Among them, such as figure 1 , 2 , 3, the two ends of the upper steel connector 200 are respectively provided with a first I-beam steel plate 1, a second I-beam steel plate 2, and an upper steel plate 3 at the top, the first I-beam steel plate 1, the second I-beam steel plate 3, 2 are connected by the upper steel plate 3. The first I-shaped steel plate 1 , the second I-shaped steel plate 2 , and the upper steel plate 3 are partially exposed outside the reinforced concrete wall 100 for realizing the upper and lower, left and right connections of the wall. The tops and webs of the first I-shaped steel plate 1 and the second I-shaped steel plate 2 are respectively provided with a first screw hole (not shown in the figure) and a second screw hole 4, and the first screw hole is pre-installed with a first bolt 5 . Preferably, the first I-beam steel plate 1 and the second I-beam steel plate 2 are both stiffening rib I-beam steel plates; the opening diameter of the first screw hole is slightly larger than that of the first bolt 5, and the first bolt 5 is connected by friction high-strength bolts to achieve The upper and lower connections of the wall.

[0035] like figure 1 , 2, 4, the two ends of the lower steel connector 300 are respectively provided with a third I-beam steel plate 6, a fourth I-beam steel plate 7, and a lower steel plate 8 at the bottom, the third I-beam steel plate 6, and the fourth I-beam steel plate 8. 7 is connected through the lower steel plate 8. The third I-shaped steel plate 6 , the fourth I-shaped steel plate 7 , and the lower steel plate 8 are partially exposed outside the reinforced concrete wall 100 for realizing the upper and lower, left and right connections of the wall. The bottoms of the third I-shaped steel plate 6 and the fourth I-shaped steel plate 7 are respectively welded with a steel foot piece 9 , and a third screw hole 10 is opened at the bottom of the steel foot piece 9 . The web of the I-shaped steel plate 7 is provided with a fourth screw hole 11 . Preferably, the third I-beam steel plate 6 and the fourth I-beam steel plate 7 are both stiffening rib I-beam steel plates.

[0036] When splicing up and down, (1) connect the third screw hole 10 of the upper wall with the first screw hole of the lower wall based on the section steel connection, and connect through the first bolt 5, that is, the friction high-strength bolt; (2) A gap is reserved between the two walls, and a prefabricated floor slab or a combined floor slab is placed in the gap. At the same time, the parts of the upper steel plate 3 and the lower steel plate 8 exposed outside the reinforced concrete wall 100 are respectively combined with the prefabricated floor slab or composite floor. The upper and lower ends of the floor slab are connected; the detachable installation is realized.

[0037] The middle reinforcing connector 400 is added to strengthen the synergistic force of the wall, and can be spliced into an integral wall with different aspect ratios according to single-piece walls with different aspect ratios. The corresponding number of the intermediate reinforcing connectors 400 are arranged as required. When splicing, the intermediate reinforcing connectors 400 are arranged in the same position on the adjacent walls.

[0038] like Figure 1-2 As shown, both ends of the middle reinforcing connector 400 are respectively provided with a fifth I-shaped steel plate 12 and a sixth I-shaped steel plate 13. The fifth I-shaped steel plate 12 and the sixth I-shaped steel plate 13 are embedded in the reinforced concrete wall 100 by pre-embedding. The inner middle reinforcement cage (not shown in the figure) is connected, the fifth I-shaped steel plate 12 and the sixth I-shaped steel plate 13 are partially exposed outside the reinforced concrete wall, and the fifth I-shaped steel plate 12 and the sixth I-shaped steel plate 13 The web is provided with a middle screw hole 14 .

[0039] When splicing left and right, connect the corresponding second I-beam steel plate 2 to the first I-beam steel plate 1 in the left and right walls, and then use the second bolt (Fig. (2) Connect the corresponding fourth I-shaped steel plate 7 with the third I-shaped steel plate 6 in the left and right walls, and then pass through the cover plate. Use the second bolt to pass through the fourth screw hole for connection; (3) Connect the corresponding sixth I-shaped steel plate and the fifth I-shaped steel plate in the left and right walls, and then use the second I-shaped steel plate through the cover plate. Bolts pass through the middle screw holes for connection; detachable installation is possible. Preferably, the second bolt is a friction high-strength bolt.

Example Embodiment

[0040] Example 2

[0041] On the basis of Embodiment 1, the present invention is further provided with a strip-shaped steel plate, which is used to realize the fixing of the vertical steel bars in the wall. as follows:

[0042] like image 3 As shown, the upper steel connecting piece 200 also includes an upper strip-shaped steel plate 15, and the upper strip-shaped steel plates 15 appear in pairs and are welded and fixed between the first I-shaped steel plate 1, the second I-shaped steel plate 2 and the bottom of the upper steel plate 3 , the bottom of the upper strip-shaped steel plate 15 is welded with the end of the vertical steel bar in the reinforced concrete wall 100 .

[0043] Similarly, as Figure 4 As shown, the lower steel connecting member 300 also includes lower strip steel plates 16, which appear in pairs and are welded and fixed between the third I-beam steel plate 6, the fourth I-beam steel plate 7 and the bottom of the lower steel plate 8 , the top of the lower strip-shaped steel plate 16 is welded with the end of the vertical steel bar in the reinforced concrete wall 100 .

[0044] Preferably, the length direction of the upper strip-shaped steel plate 15 and the lower strip-shaped steel plate 16 are horizontally arranged, and the width direction is both vertically arranged, and this technical solution makes the fixing strength higher.

Example Embodiment

[0045] Example 3

[0046] On the basis of Embodiment 2, the present invention is also provided with a plurality of side-by-side steel bars, and the steel bars replace the steel plate flanges, which can strengthen the connection between the built-in steel connector and the reinforced concrete wall. as follows:

[0047] like image 3 As shown, the upper steel connecting member 200 also includes a plurality of upper steel bars 17, and each upper steel bar 17 is connected to the first I-beam steel plate 1 and the second I-beam steel plate 2 after side by side, and each upper steel bar 17 is located in the upper bar-shaped steel plate 15. bottom.

[0048] Similarly, as Figure 4 As shown, the lower steel connecting member 300 also includes a plurality of lower steel bars 18, and each lower steel bar 18 is connected to the third I-beam steel plate 6 and the fourth I-beam steel plate 7 after side by side, and each lower steel bar 18 is located in the lower bar-shaped steel plate 16. bottom.

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Description & Claims & Application Information

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Classification and recommendation of technical efficacy words

Quick installation
Accurate positioning

Detachable prefabricated modular shear wall based on profile steel connection, and assembly method thereof

AI-Extracted Technical Summary

Problems solved by technology

Method used

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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