CN216109125U - Groove type connection assembly type shear wall structure - Google Patents

Groove type connection assembly type shear wall structure Download PDF

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Publication number
CN216109125U
CN216109125U CN202121646803.6U CN202121646803U CN216109125U CN 216109125 U CN216109125 U CN 216109125U CN 202121646803 U CN202121646803 U CN 202121646803U CN 216109125 U CN216109125 U CN 216109125U
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shear wall
groove
prefabricated shear
vertical
wall structure
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唐旭阳
王红群
彭麟燕
李海琳
孙守荣
乌培文
邹胜利
李渊
刘默雷
李乃伟
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China Northwest Architecture Design and Research Institute Co Ltd
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China Northwest Architecture Design and Research Institute Co Ltd
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Abstract

The utility model provides a groove type connection assembly type shear wall structure, which belongs to the technical field of house building construction and comprises a plurality of prefabricated shear walls which are sequentially arranged from bottom to top along the vertical direction, a plurality of connecting grooves are arranged between every two adjacent prefabricated shear walls in parallel, a plurality of upper-layer vertical lap joint ribs are arranged at the lower ends of upper-layer prefabricated shear wall boards of every two adjacent prefabricated shear walls, the upper-layer vertical lap joint ribs extend into the corresponding connecting grooves, a plurality of lower-layer vertical lap joint ribs are arranged at the upper ends of lower-layer prefabricated shear wall boards of every two adjacent prefabricated shear walls, the lower-layer vertical lap joint ribs extend into the corresponding connecting grooves, and the upper-layer vertical lap joint ribs and the lower-layer vertical lap joint ribs corresponding to every two adjacent prefabricated shear walls are overlapped in the connecting grooves. The assembled shear wall structure can ensure the connection quality of the vertical connection part of the shear wall and shorten the construction period.

Description

Groove type connection assembly type shear wall structure
Technical Field
The utility model belongs to the technical field of building construction, and relates to an assembled multi-story and high-rise reinforced concrete assembled shear wall connecting structure, in particular to a groove type connecting assembled shear wall structure.
Background
The fabricated concrete shear wall structure is widely applied to house buildings, particularly to multi-story and high-rise house buildings, can improve the building quality, meet the requirement of construction efficiency, save materials, save energy and reduce emission, and is consistent with the industrialized building, green building and energy-saving environment-friendly concepts which are always promoted in recent years in China.
Specifically, in the assembled multi-story and high-rise reinforced concrete shear wall structure and the frame-shear wall structure, especially in the assembled multi-story and high-rise shear wall structure, the vertical connection of the prefabricated shear wall is a very critical technology, the vertical connection structure of the prefabricated shear wall commonly adopted in the prior art is connected by adopting sleeve grouting according to the requirements of a picture A.01 and a picture A.02 in an appendix A of 'assembled concrete structure technical specification':
1. the number of the engineering shear wall is large, the number of the distributed ribs is large, each distributed rib needs grouting connection, artificial grouting fullness is poor, grouting fullness cannot be detected easily, and the connection quality of the vertical connection part of the prefabricated shear wall is caused to be problematic.
2. Vertical reinforcing steel bar location is inaccurate, reserves the hole site from top to bottom and hardly aligns, often makes the reinforcing steel bar unable connection.
3. When the sleeve grout is connected, the prefabricated wall body of upper story need be at this layer of reinforced concrete plate concrete pouring and smash the completion and reach just mountable after certain intensity, and it is firm for the wall body simultaneously, need set up interim side support for construction period extension.
The popularization of the fabricated concrete shear wall structure is also influenced to a certain extent by the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a groove type connection assembly type shear wall structure, which aims to solve the problems that in the prior art, a vertical connection structure of a prefabricated shear wall is inaccurate in reinforcing steel bar positioning, difficult to align upper and lower reserved hole positions, poor in grouting fullness and difficult to detect.
According to the groove type connection assembly type shear wall structure, a plurality of continuous and parallel connection grooves are formed in the vertical connection position of the prefabricated shear wall, reinforcing steel bars between two adjacent prefabricated shear walls are aligned, staggered and mutually inserted and overlapped in the connection grooves, meanwhile, the two adjacent shear walls are reliably connected by pouring concrete into the connection grooves, a convex tooth is arranged between the two adjacent connection grooves for facilitating the connection of the two adjacent shear walls, an upper layer prefabricated wall is directly placed above the convex tooth of a lower layer prefabricated shear wall plate during construction, a connection rib is arranged at the part corresponding to the convex tooth for fixing the upper layer wall body, the connection rib is downwards inserted into a jack of the convex tooth, high-grade cement paste or inorganic bar planting glue is implanted into the jack before downwards insertion, and the lateral stability in the upper layer prefabricated wall construction engineering is ensured; the specific technical scheme is as follows:
the utility model provides a fabricated shear wall structure is connected to recess formula, includes along vertical a plurality of prefabricated shear force walls that set gradually from bottom to top, is provided with a plurality of connecting grooves between two adjacent prefabricated shear force walls side by side, and the upper strata prefabricated shear force wallboard lower extreme of two adjacent prefabricated shear force walls is provided with many upper vertical overlap joint muscle, in the vertical overlap joint muscle of upper strata extended to the connecting groove that corresponds, the lower floor prefabricated shear force wallboard upper end of two adjacent prefabricated shear force walls was provided with many lower floor vertical overlap joint muscle, in the vertical overlap joint muscle of lower floor extended to the connecting groove that corresponds, the vertical overlap joint muscle of upper strata and the vertical overlap joint muscle of lower floor that two adjacent prefabricated shear force walls correspond overlapped in connecting groove.
Further limit, the notch of the connecting groove is opposite to the lower end face of the upper prefabricated shear wall plate.
Further limit, be provided with the dogtooth between two adjacent connecting grooves, the central axis of dogtooth is parallel with connecting groove's central axis.
Further, the tops of the convex teeth are in contact connection with the lower end face of the upper-layer prefabricated shear wall plate.
Further inject, assembled shear wall structure is connected to recess formula still includes the splice bar, be provided with the jack on the dogtooth, a tip of splice bar is pegged graft in the jack, another tip and the prefabricated shear wall board fixed connection of upper strata of splice bar.
Further inject, the lap-joint department of the vertical overlap joint muscle of upper strata and the vertical overlap joint muscle of lower floor is provided with horizontal reinforcement muscle, be the setting of cross form between the lap-joint department of horizontal reinforcement muscle and the vertical overlap joint muscle of upper strata and the vertical overlap joint muscle of lower floor.
Further limiting, the lap length of the upper-layer vertical lap joint rib and the lower-layer vertical lap joint rib in the connecting groove is smaller than the depth of the connecting groove.
Further, the cross section of the connecting groove and the cross section of the convex tooth are both isosceles trapezoids.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model relates to a groove type connection assembly type shear wall structure, wherein a plurality of connection grooves and lower-layer prefabricated shear wall plates are arranged between two adjacent prefabricated shear walls in parallel, upper-layer vertical lap joint ribs at the lower end of the upper-layer prefabricated shear wall plate extend into corresponding connection grooves, lower-layer vertical lap joint ribs at the upper end of the lower-layer prefabricated shear wall plate extend into corresponding connection grooves, and upper-layer vertical lap joint ribs 6 and lower-layer vertical lap joint ribs 7 are staggered and mutually spliced in connection grooves 2; when the lower-layer prefabricated shear wall panel is poured with concrete in the connecting groove, the concrete can be poured into the connecting groove along with a cast-in-place plate or a laminated plate at a floor, the upper-layer vertical lap joint ribs and the lower-layer vertical lap joint ribs are staggered and mutually inserted into the lap joint connecting groove, and the upper-layer prefabricated shear wall panel and the lower-layer prefabricated shear wall panel are reliably connected through the connecting groove; the upper-layer vertical lapping ribs and the lower-layer vertical lapping ribs are easy to operate in the lapping process in the connecting grooves, enough lapping space is provided, and the problems that the upper-layer vertical lapping ribs and the lower-layer vertical lapping ribs are not in lapping alignment and are not in lapping accuracy do not exist; concrete is cast and tamped in the connecting grooves of the upper prefabricated shear wall plate and the lower prefabricated shear wall plate in situ, so that the casting and tamping in the connecting grooves can be guaranteed to be compact and meet the construction requirements, the connecting quality of the vertical connecting part of the shear wall is guaranteed, and the concrete in the grooves is cast and tamped in situ, so that the overlapping requirement of the vertical steel bars of the shear wall in the non-bottom strengthening area of the existing standard is completely met; the temporary side support is not needed in the pouring process, so that the process of mounting and dismounting the side support is omitted, and the construction period is shortened.
2. The notch of the connecting groove is arranged opposite to the lower end face of the upper-layer prefabricated shear wall plate; the setting can make things convenient for the pouring of coupling groove like this, and can ensure that concrete pouring in the coupling groove is smash evenly, symmetry, and the overlap joint is mutually inserted with the dislocation of the vertical overlap joint muscle of lower floor to the vertical overlap joint muscle of upper strata, guarantees that the overlap joint reinforcing bar does not appear the slope.
3. A convex tooth is arranged between two adjacent connecting grooves, and the top of the convex tooth is in contact connection with the lower end face of the upper prefabricated shear wall plate; the lateral stability of the upper-layer prefabricated shear wall panel is ensured through the convex teeth. The convex teeth are provided with jacks, one end parts of the connecting ribs are inserted into the jacks, and the other end parts of the connecting ribs are fixedly connected with the upper-layer prefabricated shear wall plate. The connecting ribs are beneficial to downward inserting, aligning and grouting of upper-layer steel bars, and meanwhile the connecting ribs can prevent lateral instability in the construction process of the upper prefabricated shear wall.
4. The lap joint of the upper-layer vertical lap joint rib and the lower-layer vertical lap joint rib is provided with a transverse reinforcing rib, and the lap joint of the upper-layer vertical lap joint rib and the lower-layer vertical lap joint rib is fixed through the transverse reinforcing rib.
Drawings
FIG. 1 is a schematic view of a groove-type connection fabricated shear wall structure according to the present invention;
FIG. 2 is a schematic construction diagram of a groove type connection fabricated shear wall structure according to the present invention;
FIG. 3 is a cross-sectional view taken along plane 3-3 of FIG. 2;
FIG. 4 is a cross-sectional view taken along plane 1-1 of FIG. 2;
FIG. 5 is a cross-sectional view taken along plane 2-2 of FIG. 2;
the shear wall comprises, by weight, 1-lower-layer prefabricated shear wall boards, 2-connecting grooves, 3-convex teeth, 31-inserting holes, 4-connecting ribs, 5-upper-layer prefabricated shear wall boards, 6-upper-layer vertical lapping ribs, 7-lower-layer vertical lapping ribs, 8-supporting columns and 9-transverse reinforcing ribs.
Detailed Description
The technical solutions of the present invention will be further explained below with reference to the drawings and examples, but the present invention is not limited to the embodiments explained below.
The utility model relates to a groove type connection assembly type shear wall structure which comprises a plurality of prefabricated shear walls which are sequentially arranged from bottom to top along the vertical direction, a plurality of connecting grooves 2 are arranged between every two adjacent prefabricated shear walls in parallel, the notches of the connecting grooves 2 face upwards, the connecting grooves 2 are of a structure with an isosceles trapezoid cross section formed by overlapping templates, the connecting grooves 2 are through grooves and penetrate through the width direction of the shear walls, a plurality of upper-layer vertical lap ribs 6 are arranged at the lower ends of upper-layer prefabricated shear wall plates 5 of every two adjacent prefabricated shear walls, the upper-layer vertical lap ribs 6 extend into the corresponding connecting grooves 2, a plurality of lower-layer vertical lap ribs 7 are arranged at the upper ends of lower-layer prefabricated shear wall plates 1 of every two adjacent prefabricated shear walls, the lower-layer vertical lap ribs 7 extend into the corresponding connecting grooves 2, and the upper-layer vertical lap ribs 6 and the lower-layer vertical lap ribs 7 corresponding to the two adjacent prefabricated shear walls are lapped in the connecting grooves 2. The notch of the connecting groove 2 is arranged opposite to the lower end face of the upper prefabricated shear wall plate 5. The central axis of the convex teeth 3 arranged between the two adjacent connecting grooves 2 is parallel to the central axis of the connecting groove 2. The top of the convex teeth 3 is in contact connection with the lower end face of the upper prefabricated shear wall plate 5. The groove type connection assembly type shear wall structure further comprises a connecting rib 4, a jack 31 is arranged on the convex tooth 3, one end portion of the connecting rib 4 is inserted into the jack 31, and the other end portion of the connecting rib 4 is fixedly connected with the upper prefabricated shear wall plate 5. The lap joint of the upper vertical lap joint rib 6 and the lower vertical lap joint rib 7 is provided with a transverse reinforcing rib 9, and the transverse reinforcing rib 9 is in a cross shape with the lap joint of the upper vertical lap joint rib 6 and the lower vertical lap joint rib 7. The lap length of the upper-layer vertical lap joint rib 6 and the lower-layer vertical lap joint rib 7 in the connecting groove 2 is smaller than the depth of the connecting groove 2. The cross section of the connecting groove 2 and the cross section of the convex tooth 3 are both isosceles trapezoids. Prefabricated shear force wallboard in upper strata prefabricated shear force wallboard in upper strata prefabricated shear force wallboard lower floor
Example 1
Referring to fig. 1-3, the groove type connection assembly type shear wall structure of the embodiment includes 5 prefabricated shear walls sequentially arranged from bottom to top along the vertical direction, referring to fig. 4, 6 connection grooves 2 are arranged between two adjacent prefabricated shear walls in parallel, 12 upper vertical lap joint ribs 6 are arranged at the lower ends of the upper prefabricated shear wall boards 5 of the two adjacent prefabricated shear walls, the 12 upper vertical lap joint ribs 6 extend into the connection grooves 2, each connection groove 2 corresponds to 2 upper vertical lap joint ribs 6, the upper vertical lap joint ribs 6 are integrally connected with reinforcing steel bars in the wall body of the upper prefabricated shear wall board 5, 12 lower vertical lap joint ribs 7 are arranged at the upper ends of the lower prefabricated shear wall boards 1 of the two adjacent prefabricated shear walls, the 12 lower vertical lap joint ribs 7 extend into the connection grooves 2, each connection groove 2 corresponds to 2 lower vertical lap joint ribs 7, the lower-layer vertical lap joint ribs 7 are integrally connected with reinforcing steel bars in the wall body of the lower-layer prefabricated shear wall plate 1, the upper-layer vertical lap joint ribs 6 and the lower-layer vertical lap joint ribs 7 corresponding to two adjacent prefabricated shear walls are staggered, mutually inserted and overlapped in the connecting grooves 2, and are bound after being overlapped; the upper prefabricated shear wall plate 5 and the lower prefabricated shear wall plate 1 are both laminated plates.
The groove type connection assembly type shear wall structure is characterized in that a shear wall is a factory prefabricated shear wall, a connecting groove 2 is reserved on a template and the position of a jack 31 is exposed when the shear wall is prefabricated, then reinforcing steel bars and connecting steel bars 4 of a shear wall body are distributed, embedded parts for lifting and the like are embedded in the connecting parts of the reserved reinforcing steel bars around the prefabricated shear wall, concrete is poured and tamped, the prefabricated shear wall is transported to a construction site after the maintenance period is up, edge component reinforcing steel bars on the left side and the right side of the prefabricated shear wall are bound before the prefabricated shear wall on the upper layer is installed, after the floor slab reinforcing steel bars are bound, pre-grouting is carried out in the jack of the connecting steel bars 4, the prefabricated shear wall on the upper layer is installed again, and finally the concrete in the floor slab concrete and the connecting groove are poured and tamped. During prefabrication, the upper-layer vertical lap joint ribs 6 are vertically distributed at the lower ends of the steel bars corresponding to the upper-layer prefabricated shear wall plates 5, the lap joint lengths of the upper-layer vertical lap joint ribs 6 are exposed for being inserted into the connecting grooves 2, the lower-layer vertical lap joint ribs 7 are vertically distributed at the upper ends of the steel bars corresponding to the lower-layer prefabricated shear wall plates 1, the lap joint lengths of the lower-layer vertical lap joint ribs 7 are exposed for being inserted into the connecting grooves 2, the depth of the connecting grooves 2 can meet the lap joint length requirements of the vertical ribs, the concrete of the connecting grooves 2 is poured on site, the connection is equal to the lap joint requirements of the upper-layer vertical distribution ribs and the lower-layer vertical distribution ribs of a cast-in-place concrete shear wall structure, and the shear strength requirements of the shear wall can be met. Referring to fig. 1, when a gap between a lower prefabricated wall panel 1 and an upper prefabricated wall panel 5 is poured, concrete is poured into a connecting groove 2 through an opening of the connecting groove 2 along the thickness direction of the shear wall, so that vertical stable connection between two adjacent shear walls is realized; connecting groove 2's degree of depth is 500 millimeters in this embodiment, the width is between 250 ~ 280 millimeters, and the width can suitably be adjusted according to the engineering needs, and connecting groove 2's width will guarantee that the vertical reinforcing bar of whole piece shear force wall passes through, and the vertical overlap joint muscle 6 of upper strata and the vertical overlap joint muscle 7 of lower floor are not arranged at dogtooth 3, will guarantee simultaneously that the vertical overlap joint muscle 6 of floor board upper strata and the vertical overlap joint muscle 7 of lower floor all correspond the width at connecting groove 2 and pass.
Example 2
The groove type connection assembly type shear wall structure is characterized in that on the basis of embodiment 1, a groove opening of a connection groove 2 is opposite to the lower end face of an upper prefabricated shear wall plate 5, so that a symmetrical structure can be ensured after the connection grooves 2 are poured, referring to fig. 1, 2 and 5, a convex tooth 3 is arranged between every two adjacent connection grooves 2, the central axis of the convex tooth 3 is parallel to the central axis of the connection groove 2, the width of the convex tooth 3 is 120 mm, the cross section of the convex tooth 3 is in an isosceles trapezoid structure matched with the cross section of the connection groove 2, the top of the convex tooth 3 extends upwards to be higher than the groove opening of the connection groove 2 and is abutted against the lower end face of the upper prefabricated shear wall plate 5, and the convex tooth 3 is in close contact with the lower end face of the upper prefabricated shear wall plate 5; the stability of the upper-layer prefabricated shear wall plate 5 can be improved through the connecting grooves 2, and the connecting quality is improved.
Example 3
In the groove type connection assembly type shear wall structure of the embodiment, on the basis of embodiment 2, a connecting rib 4 is arranged at the connecting part of a convex tooth 3 and an upper prefabricated shear wall plate 5, the convex tooth 3 is fixedly connected with the bottom of the upper prefabricated shear wall plate 5 through the connecting rib 4, a connecting rib 4 is arranged at each convex tooth 3, the distance between the connecting ribs 4 at two adjacent convex teeth 3 is not less than 20 mm, the connecting ribs 4 are vertical ribs, namely steel bars, the connecting ribs 4 can reinforce the connection between the convex teeth 3 and the upper prefabricated shear wall plate 5, and the convex teeth 3 and the upper prefabricated shear wall plate 5 are prevented from being staggered; this embodiment is provided with horizontal reinforcement rib 9 in the vertical overlap joint muscle 6 of upper strata and the vertical overlap joint muscle 7 of lower floor's overlap joint department, can be connected the vertical overlap joint muscle 6 of upper strata and the vertical overlap joint muscle 7's of lower floor's overlap joint department firm in same connecting groove 2 through horizontal reinforcement rib 9, ensures the stability of being connected between upper precast shear wallboard 5 and the precast shear wallboard 1 of lower floor.
The terms "upper", "lower", "left" and "right" described in the present invention are explained only with reference to the orientation of the drawings in the specification, and do not represent the orientation at the time of actual construction; the cross-sectional shape of the coupling groove 2 and the cross-sectional shape of the tooth 3 may be rectangular, square or other shapes in addition to the isosceles trapezoid described in the above embodiments; the number of the connecting grooves 2 can be adaptively set according to the width of the shear wall, and is not limited to the number described in the above embodiments; the depth of the connecting groove 2 and the overlapping length of the upper-layer vertical overlapping rib 6 and the lower-layer vertical overlapping rib 7 in the connecting groove 2 can be adjusted according to the construction strength requirement and the anti-seismic performance requirement, and the values are not limited to the values required in the above embodiments, as long as the overlapping length of the upper-layer vertical overlapping rib 6 and the lower-layer vertical overlapping rib 7 in the connecting groove 2 is ensured to be smaller than the depth of the connecting groove 2; the lower connecting plate 10 and the upper connecting plate 11 can be cast-in-place plates besides laminated plates, and when the lower connecting plate 10 and the upper connecting plate 11 are both cast-in-place plates, the width of the convex teeth 3 is 280 mm; the number of the prefabricated shear walls can be set according to the height of a floor, and the number of the upper-layer vertical lapping ribs 6, the number of the lower-layer vertical lapping ribs 7 and the number of the connecting grooves 2 can be selected according to the width of the prefabricated shear walls.

Claims (8)

1. The utility model provides an assembled shear wall structure is connected to recess formula, its characterized in that includes along vertical a plurality of prefabricated shear force walls that set gradually from bottom to top, is provided with a plurality of connecting grooves (2) between two adjacent prefabricated shear force walls side by side, and upper prefabricated shear force wallboard (5) lower extreme of two adjacent prefabricated shear force walls is provided with many vertical overlap joint muscle (6) of upper strata, in upper vertical overlap joint muscle (6) extended to corresponding connecting groove (2), lower floor's prefabricated shear force wallboard (1) upper end of two adjacent prefabricated shear force walls was provided with many vertical overlap joint muscle (7) of lower floor, vertical overlap joint muscle (7) of lower floor extend to corresponding connecting groove (2) in, vertical overlap joint muscle (6) of upper strata and the vertical overlap joint muscle (7) of lower floor that two adjacent prefabricated shear force walls correspond overlap joint muscle (7) in connecting groove (2) overlap joint.
2. The groove-type connection fabricated shear wall structure of claim 1, wherein the notch of the connection groove (2) is arranged opposite to the lower end face of the upper prefabricated shear wall plate (5).
3. The groove type connection assembly type shear wall structure as claimed in claim 2, wherein a convex tooth (3) is arranged between two adjacent connecting grooves (2), and the central axis of the convex tooth (3) is parallel to the central axis of the connecting groove (2).
4. A groove-type connection fabricated shear wall structure as claimed in claim 3, wherein the tops of the teeth (3) are in contact connection with the lower end face of the upper prefabricated shear wall panel (5).
5. The groove type connection assembly type shear wall structure according to claim 4, further comprising a connecting rib (4), wherein the convex teeth (3) are provided with insertion holes (31), one end of the connecting rib (4) is inserted into the insertion holes (31), and the other end of the connecting rib (4) is fixedly connected with the upper prefabricated shear wall plate (5).
6. The groove type connection assembly type shear wall structure according to claim 5, wherein a transverse reinforcing rib (9) is arranged at the joint of the upper layer vertical lap joint rib (6) and the lower layer vertical lap joint rib (7), and the transverse reinforcing rib (9) is arranged in a cross shape with the joint of the upper layer vertical lap joint rib (6) and the lower layer vertical lap joint rib (7).
7. The groove type connection assembly type shear wall structure according to claim 6, wherein the overlapping length of the upper layer vertical overlapping ribs (6) and the lower layer vertical overlapping ribs (7) in the connecting groove (2) is smaller than the depth of the connecting groove (2).
8. A groove-type connecting fabricated shear wall structure as defined in claim 7, wherein the cross-section of the connecting groove (2) and the cross-section of the male tooth (3) are both isosceles trapezoids.
CN202121646803.6U 2021-07-19 2021-07-19 Groove type connection assembly type shear wall structure Active CN216109125U (en)

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Application Number Priority Date Filing Date Title
CN202121646803.6U CN216109125U (en) 2021-07-19 2021-07-19 Groove type connection assembly type shear wall structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121646803.6U CN216109125U (en) 2021-07-19 2021-07-19 Groove type connection assembly type shear wall structure

Publications (1)

Publication Number Publication Date
CN216109125U true CN216109125U (en) 2022-03-22

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CN202121646803.6U Active CN216109125U (en) 2021-07-19 2021-07-19 Groove type connection assembly type shear wall structure

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