CN215716062U - Connection node of assembled concrete shear wall edge member - Google Patents
Connection node of assembled concrete shear wall edge member Download PDFInfo
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- CN215716062U CN215716062U CN202122241687.6U CN202122241687U CN215716062U CN 215716062 U CN215716062 U CN 215716062U CN 202122241687 U CN202122241687 U CN 202122241687U CN 215716062 U CN215716062 U CN 215716062U
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Abstract
The utility model provides a connected node of assembled concrete shear force wall edge component, belongs to civil engineering technical field, including prefabricated edge component, reservation opening, edge component vertical reinforcement, preformed hole, edge component stirrup, edge component lacing wire and post-cast concrete. The vertical steel bars of the edge members of the concrete shear wall are connected in a lap joint mode through the reserved openings at the bottom, and the vertical steel bars of the edge members at the openings at the lower parts of the prefabricated edge members are connected in a lap joint mode through the cast-in-place part of concrete of the assembled concrete shear wall. The lap joint of the vertical steel bars of the edge members of the concrete shear wall is realized through the traditional cast-in-place connection mode, and the repeated arrangement of the vertical steel bars of the edge members of the concrete shear wall can be avoided. The vertical steel bar lap joint of the edge member of the fabricated concrete shear wall has the advantages of good quality, high work efficiency and low cost.
Description
Technical Field
The utility model belongs to the technical field of civil engineering, relates to an assembled concrete structure, and particularly relates to a connecting node of an edge member of an assembled concrete shear wall.
Background
At present, cast-in-place concrete shear wall edge components are mostly adopted for the fabricated concrete shear wall edge components, but when the outer wall is built in a sandwich mode, the shear wall edge components on two sides of a window opening are required to be prefabricated fabricated concrete shear wall edge components; most of the vertical connection modes of prefabricated assembled concrete shear wall edge members adopt sleeve grouting to connect reinforcing steel bars and grouting to connect concrete, however, the connection modes are wide and prone to scaling due to the frequent quality problems, and the popularization and the application of the prefabricated concrete shear wall are severely restricted.
The core-filling assembled concrete shear wall technology solves the problem of connection quality, but is also unacceptable in the market due to the fact that the vertical steel bars of the edge members are repeatedly arranged to cause steel bar waste.
Therefore, in view of the above problems, there is a need to improve the prior art and to provide a connection node of an edge member of a fabricated concrete shear wall, so as to improve the engineering quality and the work efficiency and reduce the construction cost.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model provides a connected node of assembled concrete shear wall edge component, adopts the vertical reinforcing bar of the opening overlap joint concrete shear wall edge component of reserving the bottom, carries out the overlap joint to the edge component vertical reinforcement of the lower part opening department of prefabricated edge component through the cast-in-place partial concrete of assembled concrete shear wall for solve among the prior art technical problem that edge component vertical reinforcement repeated arrangement causes the reinforcing bar extravagant.
A connection node of an edge member of an assembled concrete shear wall comprises a prefabricated edge member, a reserved opening, an edge member vertical steel bar, a reserved hole, an edge member stirrup, an edge member lacing wire and post-cast concrete,
the lower end of the prefabricated edge component is provided with a reserved opening, and the prefabricated edge component is vertically provided with an edge component vertical steel bar and a reserved hole for concrete cast-in-place in a penetrating manner; the upper end and the lower end of the vertical steel bar of the edge component are respectively exposed at the two ends of the prefabricated edge component, the exposed length of the vertical steel bar of the edge component meets the requirement of lap joint, the upper end of the vertical steel bar of the edge component is lapped with the vertical steel bar of the edge component at the bottom of the upper layer wall body, and the lower end of the vertical steel bar of the edge component at the reserved notch is lapped with the vertical steel bar of the edge component reserved at the upper part of the lower layer wall body;
the edge member stirrups are simultaneously bound and fixed with the exposed parts of the vertical steel bars of the two overlapped edge members; the edge member lacing wire is bound and fixed at the connecting point of each edge member stirrup and the edge member vertical steel bar;
and the post-cast concrete is cast in situ and fills the reserved opening and the reserved hole.
The prefabricated edge components are prefabricated at the edges of the concrete shear wall and arranged at the upper section between the layers of the edge components of the concrete shear wall.
Through the design scheme, the utility model can bring the following beneficial effects:
the utility model provides a connected node of assembled concrete shear wall edge member, adopts the overlap joint of the vertical reinforcing bar of traditional cast-in-place connected mode realization concrete shear wall edge member, can avoid the vertical reinforcing bar of repeated arrangement. The vertical steel bar lap joint of the edge member of the fabricated concrete shear wall has the advantages of good quality, high work efficiency and low cost.
Drawings
The utility model is further described with reference to the following figures and detailed description:
fig. 1 is a front view schematically illustrating an embodiment 1 of a connection node of an edge member of an assembled concrete shear wall according to the present invention.
Fig. 2 is a schematic side view of the connection node of the embodiment 1 in the edge member of the fabricated concrete shear wall according to the utility model.
Fig. 3 is a schematic top view of the connection node of the edge member of the fabricated concrete shear wall in accordance with embodiment 1 of the present invention.
Fig. 4 is a sectional view taken along the line a-a of example 1 of a connection node of an edge member of an assembled concrete shear wall according to the present invention.
Fig. 5 is a field reinforcement completion diagram of the connection node after the connection node of the embodiment 1 is installed in place in the connection node of the fabricated concrete shear wall edge member according to the utility model.
Fig. 6 is a schematic sectional view at a position B-B after concrete is cast in place according to example 1 in a connection node of an edge member of an assembled concrete shear wall according to the present invention.
Fig. 7 is a schematic sectional view of the connection node of the fabricated concrete shear wall edge member of the present invention at the C-C position after the reinforcement bars of embodiment 1 are tied on site.
Fig. 8 is a schematic cross-sectional view of a connection node of an edge member of an assembled concrete shear wall at a C-C position after concrete is cast in place according to example 1.
Fig. 9 is a front view schematically illustrating example 2 of a connection node of an edge member of an assembled concrete shear wall according to the present invention.
FIG. 10 is a side view of the connection node of embodiment 2 of the edge member of the fabricated concrete shear wall.
Fig. 11 is a schematic top view of the connection node of embodiment 2 in the edge member of the fabricated concrete shear wall according to the utility model.
FIG. 12 is a sectional view taken along the line A-A of the connecting node of the edge member of the fabricated concrete shear wall in accordance with example 2 of the present invention.
Fig. 13 is a field reinforcement completion diagram of the connection node after the connection node of the embodiment 2 is installed in place in the connection node of the fabricated concrete shear wall edge member according to the utility model.
Fig. 14 is a schematic sectional view of a connection node of an edge member of an assembled concrete shear wall at the position B-B after reinforcing bars are tied in situ according to embodiment 2.
Fig. 15 is a schematic sectional view at a position B-B after concrete is cast in place in a connection node of an edge member of an assembled concrete shear wall according to example 2 of the present invention.
In the figure, 1-prefabricating edge components, 2-reserving gaps, 3-vertical reinforcing steel bars of the edge components, 4-reserving holes, 5-stirrup of the edge components, 6-lacing of the edge components and 7-post-pouring of concrete.
Detailed Description
The utility model provides a connected node of assembled concrete shear wall border member, includes prefabricated border member 1, reserves opening 2, border member vertical reinforcement 3, preformed hole 4, border member stirrup 5, border member lacing wire 6 and post-cast concrete 7.
EXAMPLE 1 prefabricated edge elements prefabricated on both sides of a concrete infilled wall
As shown in fig. 1 to 8, the prefabricated edge member 1 is an upper section between edge member layers of a concrete shear wall prepared in a prefabricating manner, and the prefabricated edge members 1 are prefabricated on two sides of a concrete filled wall;
the reserved opening 2 is arranged at the lower section between the edge component layers of the concrete shear wall when the concrete shear wall is prepared by adopting a prefabrication mode, and the reserved opening 2 is positioned at the lower end of the prefabricated edge component 1;
the vertical steel bars 3 of the edge components penetrate through the whole height of the prefabricated edge components 1, and the exposed lengths of the upper end and the lower end meet the requirement of lap joint;
the preformed hole 4 vertically penetrates through the prefabricated edge component, and the preformed hole 4 can be omitted;
the edge member stirrup 5 is a stirrup for binding the edge member on site;
the edge member lacing wire 6 is a lacing wire for binding the edge member on site;
the post-cast concrete 7 is concrete poured in situ.
The utility model relates to a construction process of a connecting node of an edge member of an assembled concrete shear wall, which comprises the following steps:
step one, preparing a prefabricated edge component
As shown in fig. 1-4, when an edge member 1 is prefabricated, a preformed hole 4 is arranged according to the fluidity requirement of concrete, a preformed opening 2 is preformed at the lower section between layers of the edge member of the concrete shear wall, an edge member vertical steel bar 3 penetrates through the prefabricated edge member 1 to be full-high, the exposed length of the upper end and the lower end meets the requirement of lap joint, the edge member vertical steel bar 3 at the position of the preformed opening 2 is in lap joint with an edge member vertical steel bar 3 reserved at the upper part of a lower wall body, and the edge member vertical steel bar 3 reserved at the upper part is used for lap joint with an edge member vertical steel bar 3 connected with the bottom of the upper wall body;
step two, binding reinforcing steel bars on site
As shown in fig. 5, binding an edge member vertical steel bar 3, an edge member stirrup 5 and an edge member tie bar 6 at the reserved opening 2; in fig. 5, a is the floor height, the bottom is the initial elevation of the floor structure surface, and the lap joint length of the edge member vertical steel bar 3 is the overlapped section from the initial elevation of the floor structure surface to the upper part.
Step three, closing the die and pouring concrete
And (3) erecting a formwork for the cast-in-place section and the reserved opening 2 of the shear wall edge member, enabling cast-in-place post-cast concrete 7 to enter from the side surface or the reserved hole 4 and be filled with the reserved opening 2, and removing the formwork after the post-cast concrete 7 is compacted by vibration and maintained to reach the strength, so that the construction of the connection node of the edge member of the fabricated concrete shear wall is completed.
Example 2 precast edge member precast at concrete shear wall edge
The prefabricated edge component 1 is an upper section between edge component layers of the concrete shear wall prepared in a prefabricated mode;
the reserved opening 2 is arranged at the lower section between the edge member layers of the concrete shear wall when the concrete shear wall is prepared by adopting a prefabrication mode;
the vertical steel bars 3 of the edge components penetrate through the full height of the edge components, and the exposed lengths of the upper and lower ends of the vertical steel bars meet the requirement of lap joint after assembly;
the preformed hole 4 vertically penetrates through the prefabricated edge component;
the edge member stirrup 5 is a stirrup for binding the edge member on site;
the edge member lacing wire 6 is a lacing wire for binding the edge member on site;
the post-cast concrete 7 is concrete poured in situ.
The implementation process of the assembly joint of the edge member of the assembled concrete shear wall comprises the following steps:
step one, preparing a prefabricated edge component
As shown in fig. 9 to 12, when the edge member 1 is prefabricated, a hole 4 is reserved according to the fluidity requirement of concrete, a notch 2 is reserved, the edge member vertical steel bars 3 penetrate through the prefabricated edge member 1 to the full height, the lengths of the upper end and the lower end which are exposed are required to meet the lap joint requirement after assembly, the edge member vertical steel bars 3 at the reserved notch 2 are in lap joint with the edge member vertical steel bars 3 reserved on the upper part of the lower wall body, and the edge member vertical steel bars 3 reserved on the upper part are used for lap joint with the edge member vertical steel bars 3 reserved on the bottom of the upper wall body;
step two, binding reinforcing steel bars on site
As shown in fig. 13, binding an edge member vertical steel bar 3, an edge member stirrup 5 and an edge member tie bar 6 at the reserved opening 2; in fig. 13, a is the storey height, the bottom is the initial elevation of the storey structure surface, and the lap joint length of the edge member vertical steel bar 3 is the overlapped section from the initial elevation of the storey structure surface to the upper part.
Step three, closing the die and pouring concrete
And (3) supporting a formwork at the position of a reserved opening 2 for the edge member of the shear wall, enabling post-cast concrete 7 poured in situ to enter the reserved opening 2 from the reserved hole 4 and be filled with the reserved opening 2, and removing the formwork after the post-cast concrete 7 is compacted by vibration and maintained to reach the strength, so that the construction of the assembly node of the edge member of the assembled concrete shear wall is completed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides a connected node of assembled concrete shear wall edge member which characterized by: comprises a prefabricated edge component (1), a reserved opening (2), an edge component vertical steel bar (3), a reserved hole (4), an edge component stirrup (5), an edge component lacing wire (6) and post-cast concrete (7),
the lower end of the prefabricated edge component (1) is provided with a reserved opening (2), and the prefabricated edge component (1) is vertically provided with an edge component vertical steel bar (3) and a reserved hole (4) for concrete cast-in-place in a penetrating manner; the upper end and the lower end of the edge member vertical steel bar (3) are respectively exposed at two ends of the prefabricated edge member (1), the exposed length of the edge member vertical steel bar (3) meets the requirement of lap joint, the upper end of the edge member vertical steel bar (3) is overlapped with the edge member vertical steel bar (3) at the bottom of the upper layer wall body, and the lower end of the edge member vertical steel bar (3) at the reserved opening (2) is overlapped with the edge member vertical steel bar (3) reserved at the upper part of the lower layer wall body;
the edge member stirrups (5) are simultaneously bound and fixed with the exposed parts of the two overlapped edge member vertical steel bars (3); the edge member lacing wire (6) is bound and fixed at the connecting point of each edge member stirrup (5) and the edge member vertical steel bar (3);
and the post-cast concrete (7) is cast in place and is filled in the reserved opening (2) and the reserved hole (4).
2. A connection node of an edge member of an assembled concrete shear wall according to claim 1, wherein: the prefabricated edge components (1) are prefabricated at the edges of the concrete shear wall and arranged at the upper section between the layers of the edge components of the concrete shear wall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122241687.6U CN215716062U (en) | 2021-09-16 | 2021-09-16 | Connection node of assembled concrete shear wall edge member |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122241687.6U CN215716062U (en) | 2021-09-16 | 2021-09-16 | Connection node of assembled concrete shear wall edge member |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262863A (en) * | 2022-06-15 | 2022-11-01 | 吉林省中鼎建筑设计有限公司 | Grouting sleeve capable of adjusting installation elevation of precast concrete vertical component and application |
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2021
- 2021-09-16 CN CN202122241687.6U patent/CN215716062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115262863A (en) * | 2022-06-15 | 2022-11-01 | 吉林省中鼎建筑设计有限公司 | Grouting sleeve capable of adjusting installation elevation of precast concrete vertical component and application |
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