Assembly type damping wall body mounting structure

Abstract

The utility model relates to an assembly type damping wall installation structure which comprises an upper cantilever wall, a lower cantilever wall and a viscous damper, a first embedded part is arranged on the right side of the lower end of the upper cantilever wall, a second embedded part is arranged on the left side of the upper end of the lower cantilever wall, the viscous damper is horizontally arranged, and connecting plates are welded to the two ends of the viscous damper. The connecting plates at the two ends are connected with the first embedded part and the second embedded part correspondingly, a post-pouring area is arranged at the ends, away from the viscous damper, of the upper cantilever wall and the lower cantilever wall and is a trapezoidal groove in the middle of the lower end of the prefabricated cantilever wall, and the width of wall limbs on the two sides of the trapezoidal groove of the post-pouring area is equal to 20 mm. The concrete compactness of the wall body and the quality of the wall column are ensured; the on-site construction speed is accelerated, and the flatness of the end face of the wall is structurally guaranteed; the connecting structure required for connecting and fixing the viscous damper and the wall body is pre-embedded in the wall body when the fabricated wall body is manufactured in a factory, so that concrete cracking during installation and complex operation of site construction are avoided.

Description

Technical Field

[0001] The utility model relates to the field of shock-absorbing wall structure design, in particular to an assembled shock-absorbing wall installation structure. Background Art

[0002] At present, the shock-absorbing building walls are generally constructed by on-site masonry and on-site casting. The specific installation method is as follows: after tying the lower connecting wall steel bars on the lower floor slab, the steel bars and embedded parts of the upper connecting wall are set on the upper floor slab, the steel bars of the upper connecting wall are installed with formwork and concrete is poured to form the upper connecting wall, after the energy dissipation damper is installed and connected with the embedded parts of the upper connecting wall and the embedded parts of the steel bars of the lower connecting wall, the formwork is installed on the steel bars of the lower connecting wall and concrete is poured to form the lower connecting wall.

[0003] The defects of the existing construction method are as follows: 1) Since the pouring of the lower connecting wall is carried out after the damper is installed, it is inconvenient to vibrate the concrete of the lower connecting wall; 2) The waiting time after the steel bars of the lower connecting wall are tied is long, which affects the molding quality of the concrete and steel bars, and the damper is easily damaged during the pouring construction of the lower connecting wall, which ultimately affects the stability of the damper when used in the building; 3) The existing construction of the shock-absorbing wall is difficult and complex, and it is difficult to control the flatness of the wall end surface; 4) The damper will be installed inside the cast-in-place wall, and the wall connection end surface is uneven, making it difficult to ensure a good force-bearing effect of the damper. Utility Model Content

[0004] In view of the shortcomings of the prior art, one of the purposes of the present invention is to solve the problems of the difficulty of cast-in-place construction of shock-absorbing walls, complex processes, and difficulty in controlling the flatness of the wall end faces, making the installation of dampers more convenient and quick; the second purpose of the present invention is to provide a shock-absorbing wall structure with a simple structure and easy construction.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A prefabricated shock-absorbing wall installation structure comprises an upper cantilever wall, a lower cantilever wall and a viscous damper. A first embedded part is arranged on the right side of the lower end of the upper cantilever wall, and a second embedded part is arranged on the left side of the upper end of the lower cantilever wall. The viscous damper is arranged horizontally, and connecting plates are welded at both ends thereof. The connecting plates at both ends are respectively connected to the first embedded part and the second embedded part. A post-casting area is arranged at one end of the upper cantilever wall and the lower cantilever wall away from the viscous damper. The post-casting area is a trapezoidal groove in the middle of the lower end of the prefabricated cantilever wall, and the width of the wall limbs on both sides of the trapezoidal groove of the post-casting area is equal to 20 mm.

[0007] Compared with the prior art, the utility model adopting the above structure has the following beneficial effects:

[0008] The utility model adopts a prefabricated wall structure to ensure the density of wall concrete and the quality of wall limbs; the prefabricated structure can speed up the construction speed on site, the construction process is simpler, and the problem of wall end surface flatness can be well controlled; the utility model embeds the connection structure required for connecting and fixing the viscous damper to the wall in the wall when the assembled wall is manufactured in the factory, thereby avoiding concrete cracking during installation and complex construction operations on site.

[0009] As a preferred embodiment, a further technical solution of the above structure is:

[0010] Vertical and horizontal steel bars are arranged inside the upper cantilever wall and the lower cantilever wall. The vertical and horizontal steel bars are arranged continuously to the post-casting area, among which the vertical steel bars are tied and connected with the anchor bars in the frame beam. There are also opening reinforcement bars, which are arranged along the trapezoidal groove and buried in the inner wall of the trapezoidal groove. Steel bars are arranged in the post-casting area to ensure the strength of the post-cast concrete. The steel bars in the post-casting area are connected to the steel bars of the frame beam and anchored as a whole to ensure the strength of the node.

[0011] Prefabricated sealing plates are provided on the front and rear sides of the post-casting area, and a limiting rod is also provided outside the prefabricated sealing plates. One end of the limiting rod is fixed to the upper cantilever wall or the lower cantilever wall by at least two fixing bolts, and the other end extends to the surface of the prefabricated sealing plate and abuts against it; this example makes it convenient to fix the casting template of the post-casting area.

[0012] A plurality of internal threaded sleeves are embedded in the upper cantilever wall and the lower cantilever wall, and the internal threaded sleeves are used to install the fixing bolts; the sleeves are reserved when the wall is prefabricated, which is convenient for on-site construction, and the fixing of the limit rod is convenient and quick.

[0013] Grouting pipes are also provided inside the upper cantilever wall and the lower cantilever wall respectively. The grouting pipes are connected to the post-casting area from one end provided with the embedded parts, so as to facilitate the grouting of the post-casting area. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the shock-absorbing wall structure of the utility model;

[0015] Figure 2 This is a structural diagram of the prefabricated cantilever wall of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the embedded parts of the utility model;

[0017] Figure 4 This is a schematic diagram of the installation of the viscous damper of the utility model;

[0018] Figure 5 This is a schematic diagram of the steel bar overlap in the post-casting area of ​​the utility model;

[0019] Figure 6 This is a schematic diagram of the installation and fixation of the prefabricated sealing plate on the side of the post-casting area of ​​the utility model.

[0020] In the figure: 1-upper cantilever wall, 2-lower cantilever wall, 3-post-casting area, 301-trapezoidal groove, 4-frame beam, 401-anchor bar, 5-inner threaded sleeve, 6-vertical steel bar, 7-horizontal steel bar, 8-opening reinforcement bar, 9-embedded parts, 901-threaded rod, 902-anchor rod, 903-embedded steel plate, 10-grouting pipe, 11-viscous damper, 12-connecting plate, 13-nut, 14-prefabricated sealing plate, 15-limit rod, 16-fixing bolt. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 6 The utility model provides an assembled shock-absorbing wall installation structure, comprising an upper cantilever wall 1, a lower cantilever wall 2 and a viscous damper 11. A first embedded part is provided on the right side of the lower end of the upper cantilever wall 1, and a second embedded part is provided on the left side of the upper end of the lower cantilever wall 2. The viscous damper 11 is horizontally arranged, and connecting plates 12 are welded at both ends thereof. The connecting plates 12 at both ends are respectively connected to the first embedded part and the second embedded part. A post-casting area 3 is provided at one end of the upper cantilever wall 1 and the lower cantilever wall 2 away from the viscous damper 11, and the upper cantilever wall 1 and the lower cantilever wall 2 are connected to the frame beam 4 through the post-casting area 3. The upper cantilever wall 1 and the lower cantilever wall 2 have the same structure. The post-casting area 3 is located at the upper part during installation and is called the upper cantilever wall 1. The post-casting area 3 is located at the lower part during installation and is called the lower cantilever wall 2. The cantilever wall is a structure prefabricated in the factory. Specifically, the prefabricated cantilever wall structure is: the upper end is provided with an embedded part 9 for connecting the viscous damper 11, and the lower end is provided with a post-casting area 3. The post-casting area 3 is a trapezoidal groove 301 in the middle of the lower end of the prefabricated cantilever wall; the wall limbs on both sides of the trapezoidal groove 301 have a width of 20 mm; the post-casting area 3 is designed to be trapezoidal for the convenience of demoulding during production.

[0023] As an option, vertical steel bars 6 and horizontal steel bars 7 are arranged inside the cantilever wall, and the vertical steel bars 6 and horizontal steel bars 7 are continuously arranged to the post-casting area 3, wherein the vertical steel bars 6 are used to be tied and connected with the anchor bars 401 in the frame beam 4; there are also opening reinforcement bars 8, which are arranged along the trapezoidal groove 301 and buried in the inner wall of the trapezoidal groove 301.

[0024] As an option, prefabricated sealing plates 14 are provided on the front and rear sides of the post-casting area, and limiting rods 15 are also provided outside the prefabricated sealing plates 14. The limiting rods 15 on both sides are fixed to the upper cantilever wall 1 or the lower cantilever wall 2 by fixing bolts 16, thereby locking the prefabricated sealing plates 14; a plurality of internal threaded sleeves 5 are embedded in the cantilever wall, and the internal threaded sleeves 5 are used to install the fixing bolts 16.

[0025] As an option, a grouting pipe 10 is provided inside the cantilever wall, and the grouting pipe 10 is connected to the post-casting area 3 from one end of the embedded part 9 provided in the cantilever wall.

[0026] As an option, in the present invention, the embedded parts are composed of embedded steel plates 903, threaded rods 901 and anchor rods 902. The embedded parts are embedded in the prefabricated cantilever wall of the present invention when it is manufactured in the factory, and the top plate of the embedded parts is flush with the end faces of the upper cantilever wall 1 and the lower cantilever wall 2. Specifically, the embedded steel plate 903 is embedded in the upper cantilever wall or the lower cantilever wall and fixed to the anchor rod 902 on one side, and the embedded steel plate 903 is exposed on the upper cantilever wall or the lower cantilever wall and fixed to the threaded rod 901 on the other side; the connecting plates 12 at both ends of the viscous damper 11 are provided with through holes adapted to the threaded rod 901, and the ends of the threaded rod 901 protruding from the connecting plates 12 are fixed with nuts 13.

[0027] The prefabricated sealing plate 14 of the utility model matches the shape of the trapezoidal groove 301, is installed in the embedded post-casting area, and the edge is tightly matched with the trapezoidal groove 301 to prevent leakage; each limit rod 15 of the utility model is tightly against the surface of the upper cantilever wall 1 or the lower cantilever wall 2 through two fixing bolts 16, and the end of the limit rod 15 extends to the surface of the prefabricated sealing plate 14, and the two points determine a straight line, so that the prefabricated sealing plate 14 is fixed on the upper cantilever wall 1 and the lower cantilever wall 2, so that the prefabricated sealing plate 14 is flush with the surface of the upper cantilever wall 1 or the lower cantilever wall 2; the internal threaded sleeve 5 embedded on the cantilever wall can be a through hole or a half-width hole. If a through structure is adopted, a tension bolt is used. If a half-width hole is adopted, a single-sided screw is used, and the two sides are fixed separately.

[0028] The utility model is described in detail below through specific construction steps, and the specific operation steps are as follows:

[0029] S1. Level and lay out the installation positions of the upper cantilever wall 1 and the lower cantilever wall 2, set standard line control columns at the four corners of the building periphery, use the theodolite to determine one control axis each in the longitudinal and transverse directions according to the coordinates, and roughen the concrete surface of the frame beam 4 opposite to the post-casting area 3 to facilitate the combination of new and old concrete.

[0030] S2. Installation of the upper cantilever wall 1: take the prefabricated cantilever wall, hoist it with the notch of the post-casting area 3 facing upward, so that one end of the upper cantilever wall 1 with the post-casting area 3 is connected to the upper frame beam, install the bottom support on the side of the upper cantilever wall 1 close to the embedded part 9, install the inclined support on the side of the upper cantilever wall 1, and overlap and tie the vertical steel bars 6 of the post-casting area 3 of the upper cantilever wall 1 with the anchor bars 401 of the upper frame beam; during construction, tie and connect them one by one according to the design in the drawings, and do not skip the tying.

[0031] S3. Casting of the post-casting area 3 of the upper cantilever wall 1: install prefabricated sealing plates 14 on the front and rear sides of the post-casting area 3 and put them into the trapezoidal groove 301, install a limit rod 15 outside the prefabricated sealing plate 14, the lower part of the limit rod 15 is fixed to the upper cantilever wall 1 by two upper and lower fixing bolts 16, and the lower part abuts against the outer surface of the prefabricated sealing plate 14; pour concrete in the post-casting area 3 through the grouting pipe 10, after the post-casting area 3 is fully poured, plug the grouting pipe 10 with a rubber plug, and after the concrete strength of the post-casting area 3 reaches the requirement, remove the bottom support, inclined support and limit rod 15.

[0032] S4. Installation of the lower cantilever wall 2: Take the cantilever wall, hoist the lower cantilever wall 2 with the embedded parts facing upward, and place the end of the lower cantilever wall 2 with the post-casting area 3 on the lower frame beam; install the oblique support on the side of the lower cantilever wall 2. The vertical steel bars 6 of the post-casting area 3 of the lower cantilever wall 2 are tied and overlapped with the anchor bars 401 of the lower frame beam. The installation drawings design and tie connections one by one, and no skipping is allowed.

[0033] S5. Cast the post-casting area 3 of the lower cantilever wall 2, install precast sealing plates 14 on both sides of the post-casting area 3, put the precast sealing plates 14 into the trapezoidal groove 301, and install limit rods 15 on the outside of the precast sealing plates 14 to fix the precast sealing plates 14; pour concrete in the post-casting area 3 through the grouting pipe 10, and after it is fully poured, plug the grouting pipe 10 with a rubber plug, and after the concrete strength of the post-casting area 3 reaches the requirement, remove the inclined support and the limit rod 15.

[0034] S6. Install the viscous damper 11 and connect the connecting plate 12 to the embedded part 9 through the nut 13.

[0035] In the above construction, the position where the grouting pipe 10 needs to be blocked with a rubber plug is the pipe opening at one end with an embedded part, that is, for the upper cantilever wall, the lower opening of the grouting pipe 10 needs to be blocked, and for the lower cantilever wall 2, the upper opening of the grouting pipe 10 needs to be blocked.

[0036] In the above construction, the prefabricated sealing plate 14 is a side plate bonded to the concrete of the post-casting area, which does not need to be removed, and improves the flatness and strength of the wall surface. The prefabricated sealing plate 14 can of course also be a plate with an area larger than the post-casting area 3, the lower part is locked once by the fixing bolts 16, and the upper part is still constrained by the limit rod 15.

[0037] The utility model has a fast construction speed and a simple process, can well control the problem of the flatness of the wall end surface, is more convenient and quick to install the damper, the force effect of the viscous damper is better, and can better play the role of the viscous damper. The utility model embeds the connection structure required for connecting and fixing the viscous damper to the wall in the wall when the assembled wall is manufactured in the factory, thereby avoiding concrete cracking during installation and complex operations in on-site construction.

[0038] Compared with the traditional grouting sleeve connection, the post-casting area connection of the assembled wall of the utility model is intuitive and reliable in the quality inspection of the steel bar connection, reduces the use of grouting sleeves, reduces costs, and is quick and accurate in installation. The post-casting area is poured through the grouting pipe to ensure the density of concrete and strengthen the connection strength of new and old concrete. The post-casting area is sealed with a prefabricated sealing plate, which is easy to install. The utility model eliminates the use of grouting sleeves and templates, improves construction efficiency and saves costs.

Claims

1. An assembled shock-absorbing wall installation structure, comprising an upper cantilever wall, a lower cantilever wall and a viscous damper, wherein a first embedded part is arranged on the right side of the lower end of the upper cantilever wall, and a second embedded part is arranged on the left side of the upper end of the lower cantilever wall, and the viscous damper is arranged horizontally, and connecting plates are welded at both ends, and the connecting plates at both ends are respectively connected to the first embedded part and the second embedded part, and the characteristics are: A post-casting area is arranged at one end of the upper cantilever wall and the lower cantilever wall away from the viscous damper. The post-casting area is a trapezoidal groove in the middle of the lower end of the prefabricated cantilever wall. The width of the wall members on both sides of the trapezoidal groove of the post-casting area is equal to 20 mm.

2. The assembled shock-absorbing wall installation structure according to claim 1 is characterized in that: Vertical and horizontal steel bars are arranged inside the upper cantilever wall and the lower cantilever wall. The vertical and horizontal steel bars are continuously arranged to the post-casting area, among which the vertical steel bars are tied and connected with the anchor bars in the frame beam. There are also opening reinforcement bars, which are arranged along the trapezoidal groove and buried in the inner wall of the trapezoidal groove.

3. The assembled shock-absorbing wall installation structure according to claim 1 is characterized in that: Prefabricated sealing plates are provided on the front and rear sides of the post-casting area. A limiting rod is also provided outside the prefabricated sealing plate. One end of the limiting rod is fixed to the upper cantilever wall or the lower cantilever wall by at least two fixing bolts, and the other end extends to the surface of the prefabricated sealing plate and abuts against it.

4. The assembled shock-absorbing wall installation structure according to claim 3 is characterized in that: A plurality of internal thread sleeves are embedded in the upper cantilever wall and the lower cantilever wall, and the internal thread sleeves are used to install the fixing bolts.

5. The assembled shock-absorbing wall installation structure according to claim 1 is characterized in that: Grouting pipes are also arranged inside the upper cantilever wall and the lower cantilever wall respectively. The grouting pipes are connected from one end where the embedded parts are arranged to the post-casting area.

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