CN215977872U - Overlapped integral prefabricated shear wall edge component - Google Patents

Overlapped integral prefabricated shear wall edge component Download PDF

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Publication number
CN215977872U
CN215977872U CN202122565249.5U CN202122565249U CN215977872U CN 215977872 U CN215977872 U CN 215977872U CN 202122565249 U CN202122565249 U CN 202122565249U CN 215977872 U CN215977872 U CN 215977872U
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edge member
shear wall
thin plate
shaped
prefabricated
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CN202122565249.5U
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Inventor
刘文清
祝玉君
田仁元
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Hubei Yuhui New Building Material Co ltd
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Hubei Yuhui New Building Material Co ltd
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Abstract

And (4) overlapping the integral prefabricated shear wall edge member. Most of the existing assembly type prefabricated wall components adopt a solid method, so that the weight is heavy, and the on-site hoisting machinery has high model selection, thereby causing the rising of the building cost; the prefabricated wall component sleeve is high in price and easy to cause problems in self quality. The utility model is composed of a back concrete thin plate (9) and at least one face concrete thin plate (1), wherein the back concrete thin plate and the face concrete thin plate and two adjacent face concrete thin plates are connected through a steel bar framework or a truss steel bar; and casting cavities (2) are arranged between the back concrete thin plate and the face concrete thin plate and between two adjacent face concrete thin plates. The method is used for overlapping the integral prefabricated shear wall edge member.

Description

Overlapped integral prefabricated shear wall edge component
Technical Field
The utility model relates to an overlapped integral prefabricated shear wall edge component.
Background
Most of the existing assembly type prefabricated wall components adopt a solid method, so that the weight is heavy, and the on-site hoisting machinery has high model selection, thereby causing the rising of the building cost; the prefabricated wall component sleeve is high in price, the quality of the prefabricated wall component sleeve is easy to cause problems, the grouting is not full during construction and the like, and potential safety hazards are caused; the vertical connecting holes of the components are more, the diameter of the steel bar is larger, the steel bar is easy to deviate from the designed position under the influence of construction disturbance, and the hole aligning difficulty is high in the installation of a sleeve connecting mode; the prefabricated wall body component has horizontal and vertical through seams, and the phenomena of water leakage, cold penetration and the like easily occur, so that the use function of a building is influenced. When the existing superposed prefabricated wall body component is connected with prefabricated components such as a prefabricated beam, the problem that the components such as the prefabricated beam cannot be installed due to the fact that beam overhanging steel bars collide with concrete, stirrups and annular steel bars of the superposed prefabricated wall body component occurs.
Disclosure of Invention
The utility model aims to provide an overlapped integral prefabricated shear wall edge component, which solves the problems that the existing assembled prefabricated wall components mostly adopt a solid method, the weight is heavy, the on-site hoisting machinery has high model selection, and the building cost rises; the prefabricated beam and the overlapped prefabricated wall body component are inconvenient to install; the component sleeve is high in price, the quality of the component sleeve is prone to being problematic, and the problem that grouting is not full during construction is prone to being caused.
The above purpose is realized by the following technical scheme:
an edge member of a superposed integral prefabricated shear wall is composed of a back concrete thin plate and at least one face concrete thin plate, wherein the back concrete thin plate and the face concrete thin plate are connected with each other and the adjacent two face concrete thin plates are connected with each other through a steel reinforcement framework or truss steel reinforcement;
and casting cavities are formed between the back concrete thin plate and the face concrete thin plate and between the two adjacent face concrete thin plates.
The overlapped integral prefabricated shear wall edge component is characterized in that the steel bar framework consists of stirrups, tie bars and longitudinal steel bars.
The edge component of the overlapped integral prefabricated shear wall is characterized in that the truss steel bars are composed of a plurality of truss steel bar main bars and truss steel bar web member steel bars which are arranged in parallel.
The back concrete thin plate is L-shaped, straight-line-shaped, Z-shaped or U-shaped.
The face concrete thin plate is L-shaped, or straight-line-shaped, or Z-shaped, or U-shaped.
The integral precast shear wall edge component of coincide, the embedded hoist and mount of edge component, support and bury piece and water and electricity line box.
The inner surfaces of the face concrete thin plate and the back concrete thin plate are rough surfaces.
The integral precast shear wall edge member of coincide, when edge member and precast beam be connected, the height of the back concrete sheet of edge member be higher than face concrete sheet, the exposed stirrup of edge member be closed stirrup or overlap joint welding stirrup or combination stirrup.
Has the advantages that:
1. according to the utility model, the edge component of the overlapped integral type prefabricated shear wall is connected with the prefabricated beam, concrete on one side of the edge component is reduced, the height of the edge component is the same as the height of the beam, the exposed stirrups are lap-joint welding stirrups or combined stirrups, after the prefabricated beam is installed, the stirrups are welded or combined, the collision condition between the concrete and the steel bars of the edge component and the overhanging steel bars of the prefabricated beam does not exist, the installation is convenient and fast, and a method is provided for manufacturing, installing and popularizing the edge component of the integral type prefabricated shear wall;
2. the edge member of the superposed integral type prefabricated shear wall is of a hollow structure, is vertically connected and anchored in cast-in-place concrete in the cavity of the edge member through reinforcing steel bars, and has the advantages of safe and reliable connection mode, convenient and fast installation mode of the prefabricated member, integral casting of the edge member concrete, strong structural integrity and excellent anti-seismic performance;
3. the utility model solves the defects of high manufacturing cost and high installation cost of the edge member of the reinforced concrete shear wall structure. At the present stage, edge components of a reinforced concrete shear wall structure mostly adopt a cast-in-place form, even if a prefabricated component form is adopted, most longitudinal steel bars are connected through sleeves, and all the longitudinal steel bars need to be connected, the sleeve cost, the prefabricated component manufacturing cost, the installation labor cost, the grouting material cost and the grouting labor cost are high, the grouting process has high requirements on the environment, the connection quality is not easy to guarantee, the grouting plumpness detection difficulty is high, and potential safety hazards are formed on the engineering quality;
4. the precast concrete sheets on the two sides of the edge member of the overlapped integral type precast shear wall are used as templates without formwork erecting again, construction is convenient, the wood working amount and the working difficulty are reduced, and labor cost is saved.
5. The edge member of the prefabricated shear wall is a hollow structure, so that the weight is light, the requirement on the hoisting weight of on-site hoisting machinery is low, and the purchase and lease costs are saved in the aspect of mechanical model selection;
6. the utility model integrally prefabricates the linear, L-shaped, T-shaped, cross-shaped, U-shaped and Z-shaped edge components, does not change the form of the edge components, does not damage the longitudinal bars and the stirrups of the edge components, does not influence the integrity of the edge components, and realizes the cast-in-place assembly design principle equivalent to the prefabrication mode;
7. the utility model realizes the organic combination of prefabrication and cast-in-place, reduces the cast-in-place amount of concrete on site, has simple installation of prefabricated parts, reduces the labor amount of workers on the construction site and solves the problem of wasted labor.
8. The overlapped integral prefabricated shear wall edge component provides a better mode for greatly improving the prefabrication rate and the assembly rate of the assembly type building and promotes the development of the assembly type building industry in China.
9. The edge member of the overlapped integral type prefabricated shear wall realizes standardization, has strong member universality, can improve the commercialization degree of prefabricated members, stores and produces the prefabricated members, improves the utilization rate of prefabricated member templates, and shortens the supply period of the prefabricated members, thereby avoiding the defect that the supply of the prefabricated members on a construction site is not timely due to capacity reasons, shortening the construction period and saving the construction cost.
10. The edge member of the overlapped integral type prefabricated shear wall and the wall body of the shear wall are integrally prefabricated, so that the amount of the prefabricated member is increased, the hoisting times are reduced, and the construction speed is accelerated.
Description of the drawings:
FIG. 1 is a schematic view of non-extending longitudinal steel bars at the upper part of an edge member of the laminated integral precast shear wall of the utility model;
FIG. 2 is a schematic view of the upper overhanging longitudinal steel bar of the edge member of the laminated integral precast shear wall of the present invention;
FIG. 3 is a schematic view of a connection node between an L-shaped edge member and a precast beam of the laminated integral precast shear wall of the present invention;
FIG. 4 is a schematic view of a joint of overlapping welded stirrups between an L-shaped edge member and a precast beam of the laminated integral precast shear wall of the utility model;
FIG. 5 is a first schematic view of a I-shaped edge member of the laminated integral precast shear wall of the present invention;
FIG. 6 is a second schematic view of a linear edge member of the laminated integral precast shear wall of the present invention;
FIG. 7 is a third schematic view of a linear edge member of the laminated integral precast shear wall of the present invention;
FIG. 8 is a schematic view I of an L-shaped edge member of the laminated integral precast shear wall of the present invention;
FIG. 9 is a schematic view II of an L-shaped edge member of the laminated integral precast shear wall of the present invention;
FIG. 10 is a schematic view III of an L-shaped edge member of the laminated integral precast shear wall of the present invention;
FIG. 11 is a schematic view I of a T-shaped edge member of the laminated integral precast shear wall of the present invention;
FIG. 12 is a schematic view II of a T-shaped edge member of the laminated integral precast shear wall of the present invention;
FIG. 13 is a third schematic view of a T-shaped edge member of the laminated integral precast shear wall of the present invention;
FIG. 14 is a schematic view of a composite stirrup for an edge member of a laminated integral prefabricated shear wall according to the present invention;
FIG. 15 is a schematic view of the overlapped integral prefabricated shear wall edge member lap welding stirrup of the present invention;
FIG. 16 is a schematic view of a laminated integral prefabricated shear wall Z-shaped edge member of the present invention;
FIG. 17 is a schematic view of a U-shaped edge member of the laminated integral precast shear wall of the present invention;
FIG. 18 is a schematic view of truss reinforcement that may be disposed within an edge member of the stacked monolithic precast shear wall of the present invention;
fig. 19 is a schematic structural view of the steel reinforcement cage of the present invention;
in the figure: 1. a face concrete sheet; 2. pouring a cavity; 3. hooping; 4. prefabricating a beam; 5. the beam extends outwards to form a steel bar; 6. longitudinal reinforcing steel bars; 7. main reinforcement of truss steel bars; 8. truss reinforcing steel bar web member reinforcing steel bars; 9. a back concrete sheet; 10. stretching a rib; A. a linear edge member; B. an L-shaped edge member; C. a T-shaped edge member; D. a Z-shaped edge member; E. a U-shaped edge member.
The specific implementation mode is as follows:
example 1:
an edge member of a superposed integral precast shear wall is composed of a back concrete thin plate 9 and at least one face concrete thin plate 1, wherein the back concrete thin plate and the face concrete thin plate and two adjacent face concrete thin plates are connected through a steel bar framework or truss steel bars;
and a pouring cavity 2 is arranged between the back concrete thin plate and the face concrete thin plate and between the two adjacent face concrete thin plates.
Example 2:
according to the edge member of the laminated integral type prefabricated shear wall in the embodiment 1, the steel bar framework is composed of stirrups 3, tie bars 10 and longitudinal steel bars 6.
The edge member longitudinal ribs are arranged in the concrete sheet or the upper ends of the longitudinal ribs extend out of the top end of the concrete sheet.
Example 3:
according to the edge member of the overlapped integral prefabricated shear wall in the embodiment 1 or 2, the truss steel bars are composed of a plurality of truss steel bar main bars 7 and truss steel bar web member steel bars 8 which are arranged in parallel.
Example 4:
according to the edge member of the laminated integral prefabricated shear wall in the embodiment 1, the laminated integral prefabricated shear wall in the embodiment 2 or the embodiment 3, the back concrete sheets are L-shaped, straight-line-shaped, Z-shaped or U-shaped.
Example 5:
the edge member of laminated monolithic precast shear wall according to embodiment 1 or 2 or 3 or 4, wherein the face concrete slab is L-shaped or in-line shaped or Z-shaped or U-shaped.
Example 6:
according to the overlapped integral prefabricated shear wall edge component in the embodiment 1, 2, 3, 4 or 5, the edge component is embedded with a hoisting part, a supporting embedded part and a water and electricity line box.
Example 7:
the edge member of a laminated monolithic precast shear wall according to embodiment 1 or 2 or 3 or 4 or 5 or 6, wherein the inner surfaces of the face concrete sheet and the back concrete sheet are roughened.
Example 8:
the edge member of the laminated monolithic precast shear wall according to embodiment 1, 2, 3, 4, 5, 6, or 7, when the edge member is connected to the precast beam 4, the height of the back concrete slab of the edge member is higher than that of the face concrete slab, and the exposed stirrups of the edge member are closed stirrups or lap-welded stirrups or combined stirrups.
Example 9:
a method of installing a laminated monolithic precast shear wall edge member, the method comprising the steps of:
after the edge member is manufactured, the prefabricated member is transported to an installation site, a prefabricated member positioning line and a control line are placed, a longitudinal steel bar of the edge member on a lower floor slab at the bottom of the prefabricated member is straightened, a prefabricated edge member bottom cushion block is arranged, the elevation of the cushion block is leveled, the prefabricated edge member is hoisted to a position 600mm directly above the installation position, the prefabricated edge member is slowly descended to the cushion block, an inclined support is installed, the position, the verticality and the levelness of the prefabricated edge member are adjusted, the prefabricated edge member is hoisted to be connected with a prefabricated beam, a main steel bar at the bottom of an extension beam of the prefabricated beam enters a cavity between two layers of concrete thin plates of the prefabricated edge member, a prefabricated edge member bottom installation gap is sealed by mortar, exposed prefabricated edge member stirrups are welded or bound, and so on, the installation of the prefabricated edge member, other prefabricated wall bodies and the prefabricated beam is finished, steel bars at the cast-in-place position of the current floor are bound, and the concrete position is poured after the installation, And (3) reinforcing the joints of the prefabricated components and the end templates of the prefabricated edge components, pouring and vibrating concrete between two layers of concrete thin plates of the prefabricated edge components and at the position of post-cast concrete, and curing the concrete to finish the installation of the prefabricated edge components.
When prefabricated marginal component length is longer, for guaranteeing prefabricated marginal component wholeness and stability the concrete sheet metal between set up the truss reinforcing bar, the truss reinforcing bar constitute by web member reinforcing bar and main muscle, the truss reinforcing bar section be triangle-shaped, two side ripple web member reinforcing bar wave crests and trough and main muscle welded connection of triangle-shaped, with truss reinforcing bar base and apex angle pre-buried in prefabricated marginal component concrete sheet metal when pre-buried.

Claims (8)

1. The utility model provides an integral precast shear wall edge component of coincide which characterized by: the edge member consists of a back concrete sheet and at least one face concrete sheet, wherein the back concrete sheet and the face concrete sheet and two adjacent face concrete sheets are connected through a steel bar framework or truss steel bars;
and casting cavities are formed between the back concrete thin plate and the face concrete thin plate and between the two adjacent face concrete thin plates.
2. A laminated unitary precast shear wall edge member of claim 1 wherein: the steel bar framework consists of stirrups, tie bars and longitudinal steel bars.
3. A laminated unitary precast shear wall edge member of claim 1 wherein: the truss steel bars are composed of a plurality of truss steel bar main bars and truss steel bar web member steel bars which are arranged in parallel.
4. A laminated unitary precast shear wall edge member of claim 1 wherein: the back concrete thin plate is L-shaped, straight-line-shaped, Z-shaped or U-shaped.
5. A laminated unitary precast shear wall edge member of claim 1 wherein: the face concrete thin plate is L-shaped, straight-line-shaped, Z-shaped or U-shaped.
6. A laminated unitary precast shear wall edge member of claim 2 wherein: the edge component is pre-buried and hoisted, supports the buried piece and the water and electricity line box.
7. A laminated unitary precast shear wall edge member of claim 1 wherein: the inner surfaces of the face concrete thin plate and the back concrete thin plate are rough surfaces.
8. A laminated unitary precast shear wall edge member of claim 1 wherein: when the edge member is connected with the precast beam, the height of the back concrete sheet of the edge member is higher than that of the face concrete sheet, and the exposed stirrups of the edge member are closed stirrups or lap-welded stirrups or combined stirrups.
CN202122565249.5U 2021-10-25 2021-10-25 Overlapped integral prefabricated shear wall edge component Active CN215977872U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122565249.5U CN215977872U (en) 2021-10-25 2021-10-25 Overlapped integral prefabricated shear wall edge component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122565249.5U CN215977872U (en) 2021-10-25 2021-10-25 Overlapped integral prefabricated shear wall edge component

Publications (1)

Publication Number Publication Date
CN215977872U true CN215977872U (en) 2022-03-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122565249.5U Active CN215977872U (en) 2021-10-25 2021-10-25 Overlapped integral prefabricated shear wall edge component

Country Status (1)

Country Link
CN (1) CN215977872U (en)

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