CN102864854A - L-shaped precast concrete wall connection - Google Patents
L-shaped precast concrete wall connection Download PDFInfo
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- CN102864854A CN102864854A CN201210348822XA CN201210348822A CN102864854A CN 102864854 A CN102864854 A CN 102864854A CN 201210348822X A CN201210348822X A CN 201210348822XA CN 201210348822 A CN201210348822 A CN 201210348822A CN 102864854 A CN102864854 A CN 102864854A
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Abstract
The invention provides an L-shaped precast concrete wall connection, belonging to the technical field of the building structures. The L-shaped precast concrete wall connection comprises a first precast concrete wall and a second precast concrete wall, wherein longitudinal penetrating holes are formed on the precast concrete walls on the connection side in the vicinity of end faces and a plurality of transverse grooves crossing with the longitudinal holes are oppositely formed on the end faces; first and second thin plates extend from the connection-side end faces of the first and second precast concrete walls, respectively; a first horizontal reinforcing steel bar extending to the edge of the first thin plate is arranged in the first precast concrete wall, while a second horizontal reinforcing steel bar and a first embedded column stirrup both extending to the edge of the second thin plate are arranged in the second precast concrete wall; cast-in-place concrete is poured in the space formed by the first and second thin plates, the longitudinal holes and the transverse grooves; and a second embedded column stirrup and a vertical reinforcing steel bar are arranged in the cast-in-place concrete. The L-shaped precast concrete wall connection is capable of improving the integrity of the assembled integrated concrete structure and improving the performance of the building structures.
Description
Technical field
The invention belongs to the building structure technology field, relate to a kind of L-type precast concrete body of wall connected node.
Background technology
Precast concrete is to be fit to industrialized form of structure, is the direction of housing industrialization development.Joint's connection fabrication in the precast concrete between prefabricated units has determined integrality performance of the structure.Existing precast concrete node generally is the weak link of assembled monolithic concrete structure, affects stress performance, and operational phase is easy to cracking.
Summary of the invention
The present invention solves the weak deficiency of precast wall body seam connection in traditional precast concrete, and a kind of L-type precast concrete body of wall connected node is provided.The L-type precast concrete body of wall connected node that the present invention proposes can improve the globality of assembled monolithic concrete structure, improves the performance of building structure.
The L-type precast concrete body of wall connected node that the present invention proposes, comprise the first precast concrete body of wall and the second precast concrete body of wall, described the first precast concrete body of wall and the second precast concrete body of wall are provided with vertical perforation hole in the node side near the end, the first precast concrete body of wall is relative in the node side end face with the second precast concrete body of wall is provided with several transverse concave grooves, vertical hole inside wall body is stretched at described transverse concave groove top, and perhaps the transverse concave groove top is with vertically hole is crossing; The first precast concrete body of wall stretches out the first thin plate in the node side end face, and the second precast concrete body of wall stretches out the second thin plate in the node side end face, and piece is left in the first thin plate and the second thin plate junction; In the first precast concrete body of wall, be provided with the first horizontal reinforcement, extend to the first thin plate edge; Be provided with the second horizontal reinforcement and the first sleeper stirrup in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Be cast-in-situ concrete in the space that the first thin plate and the second thin plate surround, vertical hole and the transverse concave groove, the second sleeper stirrup and vertical reinforcement arranged in cast-in-situ concrete; Described the first sleeper stirrup and the second sleeper stirrup intersect in cast-in-situ concrete.Described vertical hole cross section is circle or rectangle etc., and the lateral view of described transverse concave groove is rectangle or trapezoidal etc.
In the L-type precast concrete body of wall connected node that the present invention proposes, described the first thin plate is in-line, and described the second thin plate is in-line or L shaped.
In the L-type precast concrete body of wall connected node that the present invention proposes, described the first horizontal reinforcement and the second horizontal reinforcement extend to respectively the first thin plate and the bending of the second thin plate edge, and it is L shaped that described like this first horizontal reinforcement and the second horizontal reinforcement stretch out the outer part of body of wall.
In the L-type precast concrete body of wall connected node that the present invention proposes, described the first horizontal reinforcement and the second horizontal reinforcement are closed stirrup, and it is U-shaped that described like this first horizontal reinforcement and the second horizontal reinforcement stretch out the outer part of body of wall.
In the L-type precast concrete body of wall connected node that the present invention proposes, described vertical hole arranged around has stirrup, and stirrup stretches in the cast-in-situ concrete at the transverse concave groove place.Can increase like this integral working of cast-in-situ concrete in precast concrete body of wall and the vertical hole.
In the L-type precast concrete body of wall connected node that the present invention proposes, be furnished with longitudinal reinforcement in described vertical hole.
In the L-type precast concrete body of wall connected node that the present invention proposes, vertical hole inside wall body is stretched at described transverse concave groove top; Perhaps the transverse concave groove top is with vertically hole is crossing, and the vertical hole of part is in the body of wall at transverse concave groove end face place like this.
In the L-type precast concrete body of wall connected node that the present invention proposes, the end face of described precast concrete body of wall is provided with the horizontal hole that is communicated with vertical hole along the body of wall horizontal direction.
In the L-type precast concrete body of wall connected node that the present invention proposes, the end face of described precast concrete body of wall has the longitudinal channels that is communicated with vertical hole, and described conduit width is preferably 0.5 times of vertical hole cross section Breadth Maximum.
In the L-type precast concrete body of wall connected node that the present invention proposes, the bonding surface with cast-in-situ concrete in the described precast concrete body of wall is matsurface.
Technical characterstic of the present invention and advantage.
In the L-type precast concrete body of wall connected node that the present invention proposes, its vertical hole, in the transverse concave groove and the rear pouring concrete between precast wall body connect together; Stirrup in the horizontal reinforcement that body of wall stretches out, stirrup and the cast-in-situ concrete overlaps mutually, can guarantee that body of wall is stressed continuously, connects reliable; Longitudinal reinforcement, stirrup and cast-in-situ concrete form sleeper, satisfy the joints requirement, have more increased the reliability of wall connecting.
Description of drawings
Fig. 1 is the schematic perspective view of the embodiment of the invention.
Fig. 2 is the embodiment of the invention 1 structural representation.
Fig. 3 is the embodiment of the invention 2 structural representations.
Fig. 4 is the embodiment of the invention 3 structural representations.
Fig. 5 is the embodiment of the invention 4 structural representations.
Fig. 6 is the embodiment of the invention 5 structural representations.
Fig. 7 is the embodiment of the invention 6 structural representations.
Fig. 8 is the embodiment of the invention 7 structural representations.
Fig. 9 is the embodiment of the invention 8 structural representations.
Figure 10 is precast concrete body of wall example 1 schematic diagram of node one side of the present invention.
Figure 11 is precast concrete body of wall example 2 schematic diagrames of node one side of the present invention.
Figure 12 is precast concrete body of wall example 3 schematic diagrames of node one side of the present invention.
Primary clustering mark implication is in the accompanying drawing:
1 first precast concrete body of wall, 2 second precast concrete bodies of wall 3 vertically connect hole 4 first thin plates
5 second thin plates, 6 first horizontal reinforcements, 7 second horizontal reinforcements, 8 first sleeper stirrups
9 second sleeper stirrups, 10 vertical reinforcements, 11 cast-in-situ concretes, 12 transverse concave grooves
Indulge seam between muscle 15 first thin plates and the second thin plate around 13 vertical holes in stirrup 14 vertical holes
16 longitudinal channels, 17 horizontal hole 18 precast concrete body of wall end faces
The A-A cross section is that the section B-B cross section between the transverse concave groove is the cross section at transverse concave groove place
The specific embodiment
In the schematic perspective view of embodiment as shown in Figure 1, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, the lateral view of transverse concave groove is rectangle, and transverse concave groove 12 is with vertically hole 3 is crossing; The first precast concrete body of wall 1 stretches out in the node side end face that the first thin plate 4, the second precast concrete bodies of wall 2 stretch out the second thin plate 5, the first thin plates in the node side end face and piece is left in the second thin plate junction, and the piece width is preferably 15mm; 1 is provided with the first horizontal reinforcement in the first precast concrete body of wall, extends to the first thin plate edge; Be provided with the second horizontal reinforcement and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Be the cast-in-situ concrete (not shown) in the space that the first thin plate and the second thin plate surround, vertical hole and the transverse concave groove, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.The spacing of horizontal reinforcement, sleeper stirrup, diameter etc. are determined according to force request.
Among the embodiment as shown in Figure 2, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, and transverse concave groove 12 intersects with vertical hole 3; The first precast concrete body of wall 1 stretches out in the node side end face that yi word pattern the first thin plate 4, the second precast concrete bodies of wall 2 stretch out L-type the second thin plate 5, the first thin plates in the node side end face and piece 15 is left in the second thin plate junction; 1 to be provided with the first horizontal reinforcement 7, the first horizontal reinforcements be closed stirrup in the first precast concrete body of wall, extends to the first thin plate edge; Be provided with the second horizontal reinforcement 6 and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement is closed stirrup, extends to the second thin plate edge; Be cast-in-situ concrete 11 in the space that the first thin plate and the second thin plate surround, vertical hole 3 and the transverse concave groove 12, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.
Among the embodiment as shown in Figure 3, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, and transverse concave groove 12 intersects with vertical hole 3; The first precast concrete body of wall 1 stretches out in the node side end face that yi word pattern the first thin plate 4, the second precast concrete bodies of wall 2 stretch out L-type the second thin plate 5, the first thin plates in the node side end face and piece 15 is left in the second thin plate junction; 1 is provided with the first horizontal reinforcement 7, the first horizontal reinforcements and extends to the first thin plate edge and be bent to form L-type in the first precast concrete body of wall; Be provided with the second horizontal reinforcement 6 and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge and is bent to form L-type; Be cast-in-situ concrete 11 in the space that the first thin plate and the second thin plate surround, vertical hole 3 and the transverse concave groove 12, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.
Among the embodiment as shown in Figure 4, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, and transverse concave groove 12 intersects with vertical hole 3; The first precast concrete body of wall 1 stretches out in the node side end face that yi word pattern the first thin plate 4, the second precast concrete bodies of wall 2 stretch out L-type the second thin plate 5, the first thin plates in the node side end face and piece 15 is left in the second thin plate junction; 1 is provided with the first horizontal reinforcement 7, the first horizontal reinforcements and extends to the first thin plate edge in the first precast concrete body of wall; Be provided with the second horizontal reinforcement 6 and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Around vertically connecting hole 3, closed stirrup 13 is set; Be cast-in-situ concrete 11 in the space that the first thin plate and the second thin plate surround, vertical hole 3 and the transverse concave groove 12, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.
Among the embodiment as shown in Figure 5, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, and transverse concave groove 12 intersects with vertical hole 3; The first precast concrete body of wall 1 stretches out in the node side end face that yi word pattern the first thin plate 4, the second precast concrete bodies of wall 2 stretch out L-type the second thin plate 5, the first thin plates in the node side end face and piece 15 is left in the second thin plate junction; 1 is provided with the first horizontal reinforcement 7, the first horizontal reinforcements and extends to the first thin plate edge in the first precast concrete body of wall; Be provided with the second horizontal reinforcement 6 and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Around vertically connecting hole 3, closed stirrup 13 is set, at vertical hole 3 interior longitudinal reinforcements 14 that arrange; Be cast-in-situ concrete 11 in the space that the first thin plate and the second thin plate surround, vertical hole 3 and the transverse concave groove 12, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.
Among the embodiment as shown in Figure 6, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, and vertical hole 3 inboard bodies of wall are stretched at transverse concave groove 12 tops; The first precast concrete body of wall 1 stretches out in the node side end face that yi word pattern the first thin plate 4, the second precast concrete bodies of wall 2 stretch out L-type the second thin plate 5, the first thin plates in the node side end face and piece 15 is left in the second thin plate junction; 1 is provided with the first horizontal reinforcement 7, the first horizontal reinforcements and extends to the first thin plate edge in the first precast concrete body of wall; Be provided with the second horizontal reinforcement 6 and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Be cast-in-situ concrete 11 in the space that the first thin plate and the second thin plate surround, vertical hole 3 and the transverse concave groove 12, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.
Among the embodiment as shown in Figure 7, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, and transverse concave groove 12 intersects with vertical hole 3; The first precast concrete body of wall 1 stretches out in the node side end face that yi word pattern the first thin plate 4, the second precast concrete bodies of wall 2 stretch out yi word pattern the second thin plate 5, the first thin plates in the node side end face and piece 15 is left in the second thin plate junction; 1 is provided with the first horizontal reinforcement 7, the first horizontal reinforcements and extends to the first thin plate edge in the first precast concrete body of wall; Be provided with the second horizontal reinforcement 6 and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Be cast-in-situ concrete 11 in the space that the first thin plate and the second thin plate surround, vertical hole 3 and the transverse concave groove 12, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.
Among the embodiment as shown in Figure 8, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, and transverse concave groove 12 intersects with vertical hole 3; The first precast concrete body of wall 1 stretches out in the node side end face that yi word pattern the first thin plate 4, the second precast concrete bodies of wall 2 stretch out L-type the second thin plate 5, the first thin plates in the node side end face and piece 15 is left in the second thin plate junction; The end face of precast concrete body of wall has the longitudinal channels 16 that is communicated with vertical hole, and described longitudinal channels 16 width are preferably 0.5 times of vertical hole cross section Breadth Maximum; 1 is provided with the first horizontal reinforcement 7, the first horizontal reinforcements and extends to the first thin plate edge in the first precast concrete body of wall; Be provided with the second horizontal reinforcement 6 and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Be cast-in-situ concrete 11 in the space that the first thin plate and the second thin plate surround, vertical hole 3, longitudinal channels 16 and the transverse concave groove 12, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.
Among the embodiment as shown in Figure 9, L-type precast concrete body of wall connected node comprises the first precast concrete body of wall 1 and the second precast concrete body of wall 2, described the first precast concrete body of wall 1 and the second precast concrete body of wall 2 are provided with vertical perforation hole 3 in the node side near the end, the first precast concrete body of wall 1 is relative in the node side end face with the second precast concrete body of wall 2 is provided with several transverse concave grooves 12, and transverse concave groove 12 intersects with vertical hole 3; The first precast concrete body of wall 1 stretches out in the node side end face that yi word pattern the first thin plate 4, the second precast concrete bodies of wall 2 stretch out L-type the second thin plate 5, the first thin plates in the node side end face and piece 15 is left in the second thin plate junction; The end face of precast concrete body of wall is provided with the hole 17 along the body of wall horizontal direction that is communicated with vertical hole; 1 is provided with the first horizontal reinforcement 7, the first horizontal reinforcements and extends to the first thin plate edge in the first precast concrete body of wall; Be provided with the second horizontal reinforcement 6 and the first sleeper stirrup 8 in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Be cast-in-situ concrete 11 in the space that the first thin plate and the second thin plate surround, vertical hole 3, horizontal hole 17 and the transverse concave groove 12, the second sleeper stirrup 9 and vertical reinforcement 10 are arranged in cast-in-situ concrete; Described the first sleeper stirrup 8 and the second sleeper stirrup 9 intersect in cast-in-situ concrete.
Be the schematic diagram that the yi word pattern thin plate is stretched out in pre-cast concrete walling body node side end face such as Figure 10; Described precast concrete body of wall is provided with vertical perforation hole 3 in the node side near end face 18 places, 18 relative several transverse concave grooves 12 that are provided with in the node side end face, and vertical hole 3 inboard bodies of wall are stretched at transverse concave groove 12 tops; The lateral view of transverse concave groove is rectangle.
Be the schematic diagram that the L-type thin plate is stretched out in pre-cast concrete walling body node side end face such as Figure 11; Described precast concrete body of wall is provided with vertical perforation hole 3 in the node side near end face 18 places, 18 relative several transverse concave grooves 12 that are provided with in the node side end face, and vertical hole 3 inboard bodies of wall are stretched at transverse concave groove 12 tops; The lateral view of transverse concave groove is trapezoidal.
Be the schematic diagram that pre-cast concrete walling body node side end face has longitudinal channels such as Figure 12; Described precast concrete body of wall is provided with vertical perforation hole 3 in the node side near end face 18 places, 18 relative several transverse concave grooves 12 that are provided with in the node side end face, and transverse concave groove 12 intersects with vertical hole 3; The end face 18 of precast concrete body of wall has the longitudinal channels 16 that is communicated with vertical hole 3, and described longitudinal channels 16 width are preferably 0.5 times of vertical hole cross section Breadth Maximum.
The present invention is described by above-mentioned related embodiment, yet above-described embodiment does not limit the scope of the invention only for implementing example of the present invention.Every spirit that is contained in claim and modification and equalization arrange all and are contained in the scope of the invention.
Claims (9)
1. L-type precast concrete body of wall connected node, comprise the first precast concrete body of wall and the second precast concrete body of wall, it is characterized in that: described the first precast concrete body of wall and the second precast concrete body of wall are provided with vertical perforation hole in the node side near the end, and the first precast concrete body of wall is relative in the node side end face with the second precast concrete body of wall is provided with several transverse concave grooves; Vertical hole inside wall body is stretched at described transverse concave groove top, and perhaps the transverse concave groove top is with vertically hole is crossing; The first precast concrete body of wall stretches out the first thin plate in the node side end face, and the second precast concrete body of wall stretches out the second thin plate in the node side end face, and piece is left in the first thin plate and the second thin plate junction; In the first precast concrete body of wall, be provided with the first horizontal reinforcement, extend to the first thin plate edge; Be provided with the second horizontal reinforcement and the first sleeper stirrup in the second precast concrete body of wall, described the second horizontal reinforcement extends to the second thin plate edge; Be cast-in-situ concrete in the space that the first thin plate and the second thin plate surround, vertical hole and the transverse concave groove, the second sleeper stirrup and vertical reinforcement arranged in cast-in-situ concrete; Described the first sleeper stirrup and the second sleeper stirrup intersect in cast-in-situ concrete.
2. L-type precast concrete body of wall connected node according to claim 1, it is characterized in that: described the first thin plate is in-line, described the second thin plate is in-line or L shaped.
3. L-type precast concrete body of wall connected node according to claim 1 is characterized in that: described the first horizontal reinforcement and the second horizontal reinforcement extend to respectively the first thin plate and the bending of the second thin plate edge.
4. L-type precast concrete body of wall connected node according to claim 1, it is characterized in that: described the first horizontal reinforcement and the second horizontal reinforcement are closed stirrup.
5. L-type precast concrete body of wall connected node according to claim 1, it is characterized in that: described vertical hole arranged around has stirrup, and stirrup stretches in the cast-in-situ concrete at the transverse concave groove place.
6. L-type precast concrete body of wall connected node according to claim 1 is characterized in that: be furnished with longitudinal reinforcement in described vertical hole.
7. L-type precast concrete body of wall connected node according to claim 1 is characterized in that: the end face of described precast concrete body of wall is provided with the horizontal hole that is communicated with vertical hole.
8. L-type precast concrete body of wall connected node according to claim 1, it is characterized in that: the end face of described precast concrete body of wall has the longitudinal channels that is communicated with vertical hole, and described longitudinal channels width is preferably 0.5 times of vertical hole cross section Breadth Maximum.
9. L-type precast concrete body of wall connected node according to claim 1, it is characterized in that: the bonding surface with cast-in-situ concrete in the described precast concrete body of wall is matsurface.
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| CN103806539A (en) * | 2014-03-12 | 2014-05-21 | 初明进 | Connection method of precast reinforced concrete slabs |
| CN103835402A (en) * | 2012-11-23 | 2014-06-04 | 初明进 | L-shaped prefabricated concrete wall connection joint |
| CN105133727A (en) * | 2015-09-02 | 2015-12-09 | 宋士儒 | Fabricated building and construction process thereof |
| CN105937277A (en) * | 2016-06-21 | 2016-09-14 | 华东建筑设计研究院有限公司 | T-shaped shear wall edge member connecting structure |
| CN106245816A (en) * | 2016-09-30 | 2016-12-21 | 江苏旭华圣洛迪建材有限公司 | A kind of column section assembly and house corner portion based on this assembly fast-assembling method |
| CN106245753A (en) * | 2016-07-29 | 2016-12-21 | 刘祥锦 | A kind of armored concrete linked system of prefabricated structural wall board |
| CN106400952A (en) * | 2016-07-29 | 2017-02-15 | 刘祥锦 | Assembly type prefabricated structure wallboard unit and connecting joints thereof |
| CN107366370A (en) * | 2017-08-29 | 2017-11-21 | 承德绿建建筑节能科技有限公司 | Exempt from formwork overlapping wall and its attachment structure |
| CN113931348A (en) * | 2021-09-13 | 2022-01-14 | 北京建筑大学 | L-shaped precast concrete component and building structure |
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