CN212053436U - Strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place - Google Patents

Strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place Download PDF

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Publication number
CN212053436U
CN212053436U CN201922469231.8U CN201922469231U CN212053436U CN 212053436 U CN212053436 U CN 212053436U CN 201922469231 U CN201922469231 U CN 201922469231U CN 212053436 U CN212053436 U CN 212053436U
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self
reinforced
prefabricated reinforced
positioning
intervals
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姚攀峰
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Beijing Peak Construction Engineering Technology Research Institute Co ltd
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Beijing Peak Construction Engineering Technology Research Institute Co ltd
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Abstract

A reinforced precast concrete wallboard with a self-in-place structure and a connecting structure relate to the field of construction of building wallboards and comprise a prefabricated reinforced wall body, vertical steel connecting pieces embedded in the prefabricated reinforced wall body, positioning keys embedded in one end face of the prefabricated reinforced wall body at intervals, and self-in-place grooves arranged on the other end face of the prefabricated reinforced wall body at intervals; the positioning keys are in one-to-one correspondence with the arrangement positions of the self-positioning grooves from top to bottom; the positioning key is a metal convex part, and the top surface of the positioning key is a smooth surface; the prefabricated reinforced wall body comprises horizontal reinforcing steel bars arranged at intervals, vertical reinforcing steel bars arranged at intervals and tie bars, and is formed by pouring concrete; at least one end part of the vertical steel bar extends out of the prefabricated reinforced wall body; the vertical steel connecting pieces are vertically arranged at intervals or vertically arranged in a penetrating manner and are wrapped between the horizontal steel bars and the vertical steel bars. The utility model provides a current concrete wallboard weight is big, is difficult to accurate location installation, causes the problem of location installation difficulty.

Description

Strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place
Technical Field
The utility model relates to a building wallboard construction field, especially a strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place.
Background
Building industrialization is the key point of national construction and development, the nation vigorously promotes assembly type buildings, encourages assembly type construction of building enterprises, assembles on site, and builds a national assembly type building production base to enable the proportion of the assembly type buildings in newly-built buildings to reach 30%. The mainstream structure of building industrialization at present is that the wall body is precast concrete wallboard, adopts grout muffjoint's shear wall structural system from top to bottom, and it is great to have the construction quality control degree of difficulty, construction cycle is longer, and tensile strength is low, and anti-seismic performance is relatively poor, and the ductility is relatively poor under the earthquake action, easily takes place brittle failure. In some construction sites, the steel bars and the sleeves are not aligned, workers bake the steel bars by gas welding and forcibly bend the steel bars; in order to solve the problems, the existing PC member connecting node is not fully grouted … …, a mode of adding a steel connecting piece is designed, and the shearing resistance and the bending resistance of a horizontal seam can be effectively improved. The monitoring of the concrete plays an important role in guaranteeing the pouring quality of the concrete. During construction and installation, the concrete wall can reach 1-15 tons, and the problems of difficult accurate positioning and installation and difficult height exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place solves current concrete wallboard weight greatly, is difficult to the accurate location installation, causes the problem of location installation difficulty.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a reinforced precast concrete wallboard with a self-in-place structure comprises a precast reinforced wall body, vertical steel connecting pieces embedded in the precast reinforced wall body, positioning keys embedded in one end face of the precast reinforced wall body at intervals, and self-in-place grooves arranged on the other end face of the precast reinforced wall body at intervals; the positioning keys are in one-to-one correspondence with the arrangement positions of the self-positioning grooves from top to bottom; the positioning key is a metal convex part, and the top surface of the positioning key is a smooth surface; the prefabricated reinforced wall body comprises horizontal reinforcing steel bars arranged at intervals, vertical reinforcing steel bars arranged at intervals and tie bars, and is formed by pouring concrete; at least one end part of the vertical steel bar extends out of the prefabricated reinforced wall body; the vertical steel connecting pieces are vertically arranged at intervals or vertically arranged in a penetrating manner and are wrapped between the horizontal steel bars and the vertical steel bars.
A reinforced precast concrete wallboard with a self-positioning structure comprises a precast reinforced wall body, vertical steel connecting pieces pre-embedded in the precast reinforced wall body, and positioning keys or self-positioning grooves pre-embedded in one end face of the precast reinforced wall body at intervals; the positioning key is a metal convex part, and the top surface of the positioning key is a smooth surface; the prefabricated reinforced wall body comprises horizontal reinforcing steel bars arranged at intervals, vertical reinforcing steel bars arranged at intervals and tie bars, and is formed by pouring concrete; at least one end part of the vertical steel bar extends out of the prefabricated reinforced wall body; the vertical steel connecting pieces are vertically arranged at intervals or vertically arranged in a penetrating way and are wrapped between the horizontal steel bars and the vertical steel bars.
Furthermore, the positioning key is a raised head protruding out of the end face of the prefabricated reinforced wall body, the top end of the positioning key is a smooth cambered surface, and a transverse metal plate or a transverse steel bar is welded on the bottom surface of the positioning key.
Furthermore, the positioning key is columnar, one end of the positioning key protrudes out of the end face of the prefabricated reinforced wall body and is a protruding part, and the other end of the positioning key is embedded into the prefabricated reinforced wall body and is an embedded part; the bulge top is smooth cambered surface, and the portion of burying has the external screw thread, corresponds the screw thread and pegs graft in the screw sleeve of pre-buried in the prefabricated wall body of strengthening.
Furthermore, the self-positioning groove is inwards concave and arc-shaped from the end surface of the prefabricated reinforced wall body, and the curvature radius of the concave radian is not less than that of the top smooth arc surface of the positioning key.
Further, the outer surface of the self-positioning groove is a concrete surface, a metal surface, a plastic surface or a combination of at least two of the above materials; when the outer surface of the self-positioning groove is a metal surface and/or a plastic surface, the inner surface of the self-positioning groove is fixedly connected with anchoring pieces at intervals, and the anchoring pieces are embedded in the prefabricated reinforced wall body.
Furthermore, the lower part of the prefabricated reinforced wall body is provided with an exhaust hole.
Furthermore, the prefabricated reinforced wall body is provided with a vertically through inner concrete pouring hole.
The reinforced precast concrete wallboard connecting structure with the self-in-place structure comprises an upper layer wallboard and a lower layer wallboard, wherein the upper layer wallboard and the lower layer wallboard are connected through a vertical steel connecting piece and poured into a whole through concrete, and a connecting area is formed at the connecting position; the end parts of the vertical steel bars of the upper and lower wall plates are lapped or welded or lapped or anchored and connected through additional steel bars; and the self-positioning groove/positioning key on the lower end surface of the upper wallboard is correspondingly connected with the positioning key/self-positioning groove on the upper end surface of the lower wallboard.
The construction method applying the connecting structure comprises the following steps:
step one, prefabricating a reinforced precast concrete wallboard with a self-positioning structure.
And step A, manufacturing a steel bar mesh, namely a horizontal steel bar, a vertical steel bar, a tie bar and a vertical steel connecting piece.
And step B, manufacturing a mold and supporting an outer template.
And C, laying a reinforcing mesh on one side of the external wall plate of the prefabricated reinforced wall body.
And D, laying a self-positioning groove template on one end face of the prefabricated reinforced wall body, wherein the self-positioning groove template is made of metal or plastic and does not need to be dismantled.
And E, embedding a positioning key in the other end face of the prefabricated reinforced wall body.
And F, paving a steel connecting piece in the prefabricated reinforced wall body.
And G, laying a reinforcing mesh on one side of the inner wall plate of the prefabricated reinforced wall body.
And step H, connecting the reinforcing mesh sheets of the inner and outer wall panels through tie bars.
And I, pouring concrete in the prefabricated reinforced wall body, and curing the concrete to a preset strength.
And step J, dismantling the template, and taking out the reinforced precast concrete wallboard with the self-positioning structure.
And step K, taking out the self-positioning groove template to complete the prefabrication of the reinforced precast concrete wallboard with the self-positioning structure.
And secondly, hoisting the reinforced precast concrete wallboard with the self-in-place structure above, aligning the reinforced precast concrete wallboard with the self-in-place structure matched below, correspondingly placing the upper positioning key or the self-in-place groove into the lower self-in-place groove or the positioning key, finely adjusting the height and the horizontal position, and completing in-place.
And step three, connecting oblique temporary supports at two sides of the reinforced precast concrete wall panel with the self-positioning structure, and adjusting the perpendicularity of the wall body until the design requirements are met.
And step four, connecting and fixing steel connecting pieces corresponding to the joints of the reinforced precast concrete wallboards with the self-in-place structures at the upper and lower parts, and connecting and fixing corresponding vertical extending steel bars through connecting sleeves or overlapping or welding or the combination of the above modes.
And fifthly, erecting a template at the joint of the reinforced precast concrete wall panel with the self-in-place structure at the upper part and the lower part, vibrating and maintaining after concrete is poured, and removing the template after the connecting structure reaches certain strength to finish construction.
Compared with the prior art, the utility model has the following characteristics and beneficial effect:
1. the utility model discloses strenghthened type precast concrete wallboard with structure of taking one's place corresponds through the upper and lower terminal surface at peculiar prefabricated reinforced wall body and sets up navigation key and self-position groove, when wallboard hoist and mount butt joint installation, through navigation key and the butt joint of the groove of taking one's place, realize the quick, accurate connection of upper and lower wallboard, effectively promote the construction quality of taking one's place of wallboard level and direction of height, promote the site operation speed, reduce constructor experience installation cause think factor interference; the auxiliary positioning installation can be realized by utilizing the self gravity of the wall plate, and the time and the labor are saved.
2. The utility model discloses establish exhaust hole and exhaust inspection hole on the strenghthened type precast concrete wallboard with from structure of taking one's place, be convenient for detect the condition of pouring of wallboard concrete, reduce artifical detection error.
3. The utility model discloses the reinforced type precast concrete wallboard with from the structure of taking one's place is last to establish interior concreting hole, and the upper shed is the flaring, the concrete placement of being convenient for.
Drawings
Figure 1 is an elevation view of an embodiment of a reinforced precast concrete wall panel with a self-seating structure (steel connectors are placed through the wall of the precast reinforced wall).
Figure 2 is an elevation view of an embodiment of a reinforced precast concrete wall panel with a self-seating structure (steel connectors spaced along the precast reinforced wall body).
Figure 3 is a plan view of a reinforced precast concrete wall panel with a self-seating structure.
Fig. 4 is an elevation view of a connection structure of reinforced precast concrete panels with a self-seating structure.
Fig. 5 is a plan view of a connection structure of reinforced precast concrete wall panel with a self-seating structure.
Fig. 6 is an elevation view of a reinforced precast concrete wall panel with a self-seating structure of the second embodiment (anchor key in an end face of the precast reinforced wall body).
Fig. 7 is an elevation view of a reinforced precast concrete wall panel with a self-seating structure of the second embodiment (self-seating groove in an end face of a precast reinforced wall body).
Reference numerals: the concrete-reinforced wall comprises 1-prefabricated reinforced wall body, 2-vertical steel connecting pieces, 3-positioning keys, 4-self-positioning grooves, 5-anchoring pieces, 6-horizontal steel bars, 7-vertical steel bars, 8-connecting sleeves, 9-concrete, 10-exhaust holes, 11-inner concrete pouring holes and 12-threaded sleeves.
Detailed Description
Referring to fig. 1 to 3, the reinforced precast concrete wall panel with a self-positioning structure includes a precast reinforced wall body 1, vertical steel connectors 2 embedded in the precast reinforced wall body 1, positioning keys 3 embedded in one end surface of the precast reinforced wall body 1 at intervals, and self-positioning grooves 4 arranged on the other end surface of the precast reinforced wall body 1 at intervals; the positioning keys 3 are in one-to-one correspondence with the arrangement positions of the self-positioning grooves 4 from top to bottom; the positioning key 3 is a metal convex part, and the top surface is a smooth surface; the prefabricated reinforced wall body 1 comprises horizontal reinforcing steel bars arranged at intervals, vertical reinforcing steel bars arranged at intervals and tie bars, and is formed by pouring concrete; at least one end part of the vertical steel bar extends out of the prefabricated reinforced wall body 1; the vertical steel connecting pieces 2 are vertically arranged at intervals or vertically arranged in a penetrating way and are wrapped between the horizontal steel bars and the vertical steel bars.
The positioning key can be in the structure that: the positioning key is a raised head protruding out of the end face of the prefabricated reinforced wall body 1, the top end of the positioning key is a smooth cambered surface, and a transverse metal plate or a transverse steel bar is welded on the bottom surface of the positioning key; referring to fig. 1, the positioning key may also be configured as follows: the positioning key is columnar, one end of the positioning key protrudes out of the end face of the prefabricated reinforced wall body 1 and is a protruding part, and the other end of the positioning key is embedded into the prefabricated reinforced wall body 1 and is an embedded part; the bulge top is smooth cambered surface, and the portion of burying has the external screw thread, corresponds the screw thread and pegs graft in pre-buried threaded sleeve 12 in prefabricated reinforced wall body 1.
The self-positioning groove 4 is inwards recessed from the end surface of the prefabricated reinforced wall body 1 and is arc-shaped, and the curvature radius of the recessed radian is not less than that of the top smooth arc surface of the positioning key 3; the outer surface of the self-positioning groove 4 is a concrete surface, a metal surface, a plastic surface or a combination of at least two of the above materials; when the outer surface of the self-positioning groove 4 is a metal surface and/or a plastic surface, the inner surface of the self-positioning groove 4 is fixedly connected with anchoring pieces 5 at intervals, and the anchoring pieces 5 are embedded in the prefabricated reinforced wall body 1; when the outer surface of the self-positioning groove 4 is a metal surface, a low-friction coating is coated on the outer surface of the self-positioning groove 4, and the low-friction coating is a polyamide coating, a polyformaldehyde coating, a polytetrafluoroethylene coating or an expanded polytetrafluoroethylene coating; the depth of the self-positioning groove 4 recessed into the end face of the prefabricated reinforced wall body 1 is not less than 2 mm.
Referring to fig. 3, the lower part of the prefabricated reinforced wall body 1 is provided with an exhaust hole 10, the upper opening of the exhaust hole is provided with a sealing plug, the sealing plug is provided with a detection exhaust hole, and the critical detection pressure of the sealing plug is not less than 0.0.1 MPa.
Referring to fig. 3, the prefabricated reinforced wall body 1 is provided with a vertically through inner concrete pouring hole 11, and an upper opening of the inner concrete pouring hole 11 is a flared opening expanding outwards.
Second embodiment referring to fig. 6 and 7, different from the first embodiment, the reinforced precast concrete wall panel with the self-positioning structure comprises a precast reinforced wall body 1, vertical steel connecting pieces 2 embedded in the precast reinforced wall body 1, and positioning keys 3 or self-positioning grooves 4 embedded in one end face of the precast reinforced wall body 1 at intervals; the positioning key 3 is a metal convex part, and the top surface is a smooth surface; the prefabricated reinforced wall body 1 comprises horizontal reinforcing steel bars arranged at intervals, vertical reinforcing steel bars arranged at intervals and tie bars and is formed by pouring concrete; at least one end part of the vertical steel bar extends out of the prefabricated reinforced wall body 1; the vertical steel connecting pieces 2 are vertically arranged at intervals or vertically arranged in a penetrating way and are wrapped between the horizontal steel bars and the vertical steel bars.
Referring to fig. 4 and 5, the connection structure of the reinforced precast concrete wall panel with the self-in-place structure comprises an upper wall panel and a lower wall panel, wherein the upper wall panel and the lower wall panel are connected through a vertical steel connecting piece 2 and are poured into a whole through concrete or grouting material, and a connection area is formed at the connection position; the self-positioning groove 4/positioning key 3 on the lower end face of the upper wallboard is correspondingly connected with the positioning key 3/self-positioning groove 4 on the upper end face of the lower wallboard; templates are arranged around the connecting area; the end parts of the vertical steel bars 7 of the upper and lower wall boards are lapped or welded or connected through additional steel bar lapping or anchoring or sleeved through a connecting sleeve 8 in the connecting area, so that the butted upper and lower wall boards are connected into a whole to form a vertical integral concrete wall and form a shear wall component.
The horizontal extended steel bars and/or the steel connector shearing resistant pieces of the reinforced precast concrete wallboard with the self-positioning structure are mutually connected with the horizontal steel bars of the horizontal node area, and form a whole with the vertical extended steel bars and the later poured concrete; the horizontal joint area can be post-poured steel rib reinforced concrete, the steel ribs are vertically continuous and are wrapped by vertically and transversely extending steel bars of the joint area, and the steel ribs are provided with studs; the horizontal direction can have horizontal direction reinforcing bars, and the horizontal direction reinforcing bars are: and steel plates, section steel, welded steel members and other reinforced concrete are poured into a whole.
The self-in-place reinforced precast concrete wall is connected with the floor slab to form a shear wall system; the reinforced precast concrete wallboard with the self-positioning structure is connected with the frame column, the frame beam and the concrete floor slab into a whole to form a frame shear wall structure system or a frame core tube structure system; special energy dissipation components can be added in the structural system, and the energy dissipation components are energy dissipation steel beams, double-connection beams, restrained steel plate shear walls and anti-buckling supports; the frame column is a steel column, a reinforced concrete column, a steel-concrete combined column or a steel-concrete-reinforced combined column; the connecting beam/frame beam is a steel beam or a variable-rigidity steel beam or a precast concrete beam, a precast concrete superposed beam with a connecting piece and a cast-in-place concrete beam; the floor slab is a prefabricated reinforced concrete floor slab, or a steel bar truss floor slab, or a profiled steel sheet cast-in-place reinforced concrete floor slab, or a prefabricated reinforced concrete laminated slab or a cast-in-place floor slab; the structural system can be added with a shock insulation cushion between the foundation and the column or the wall.
The mainstream structure of building industrialization at present is that the wall body is precast concrete wallboard, adopts grout muffjoint's shear wall structural system from top to bottom, and it is great to have the construction quality control degree of difficulty, construction cycle is longer, and tensile strength is low, anti-seismic performance is relatively poor, and the ductility is relatively poor under the earthquake action, easily takes place the problem of brittle failure. During construction and installation, the concrete wall can reach 1-15 tons, and the wall weight is hard to accurately position.
The construction method applying the connecting structure comprises the following steps:
step one, prefabricating a reinforced precast concrete wallboard with a self-positioning structure:
and step A, manufacturing a steel bar mesh, namely a horizontal steel bar, a vertical steel bar, a tie bar and a vertical steel connecting piece.
And step B, manufacturing a mold and supporting an outer template.
And C, laying a reinforcing mesh on one side of the external wall plate of the prefabricated reinforced wall body.
And D, laying a self-positioning groove template on one end face of the prefabricated reinforced wall body, wherein the self-positioning groove template is made of metal or plastic and does not need to be dismantled.
And E, embedding a positioning key in the other end face of the prefabricated reinforced wall body.
And F, paving a steel connecting piece in the prefabricated reinforced wall body.
And G, laying a reinforcing mesh on one side of the inner wall plate of the prefabricated reinforced wall body.
And step H, connecting the reinforcing mesh sheets of the inner and outer wall panels through tie bars.
And I, pouring concrete in the prefabricated reinforced wall body, and curing the concrete to a preset strength.
And step J, dismantling the template, and taking out the reinforced precast concrete wallboard with the self-positioning structure.
And step K, taking out the self-positioning groove template to complete the prefabrication of the reinforced precast concrete wallboard with the self-positioning structure.
And secondly, hoisting the reinforced precast concrete wallboard with the self-in-place structure above, aligning the reinforced precast concrete wallboard with the self-in-place structure matched below, correspondingly placing the upper positioning key or the self-in-place groove into the lower self-in-place groove or the positioning key, finely adjusting the height and the horizontal position, and completing in-place.
And step three, connecting oblique temporary supports at two sides of the reinforced precast concrete wall panel with the self-positioning structure, and adjusting the perpendicularity of the wall body until the design requirements are met.
And step four, connecting and fixing steel connecting pieces corresponding to the joints of the reinforced precast concrete wallboards with the self-in-place structures at the upper and lower parts, and connecting and fixing corresponding vertical extending steel bars through connecting sleeves or overlapping or welding or the combination of the above modes.
And fifthly, erecting a template at the joint of the reinforced precast concrete wall panel with the self-in-place structure at the upper part and the lower part, vibrating and maintaining after concrete is poured, and removing the template after the connecting structure reaches certain strength to finish construction.

Claims (9)

1. The utility model provides a strenghthened type precast concrete wallboard with from structure of taking one's place which characterized in that: comprises a prefabricated reinforced wall body (1),
The prefabricated reinforced wall comprises vertical steel connecting pieces (2) embedded in a prefabricated reinforced wall body (1), positioning keys (3) embedded in one end face of the prefabricated reinforced wall body (1) at intervals, and self-positioning grooves (4) arranged on the other end face of the prefabricated reinforced wall body (1) at intervals; the positioning keys (3) are in one-to-one correspondence with the arrangement positions of the self-positioning grooves (4); the positioning key (3) is a metal convex part, and the top surface is a smooth surface;
the prefabricated reinforced wall body (1) comprises horizontal reinforcing steel bars arranged at intervals, vertical reinforcing steel bars arranged at intervals and tie bars, and is formed by pouring concrete; at least one end part of the vertical steel bar extends out of the prefabricated reinforced wall body (1);
the vertical steel connecting pieces (2) are vertically arranged at intervals or vertically arranged in a penetrating manner and are wrapped between the horizontal steel bars and the vertical steel bars.
2. The utility model provides a strenghthened type precast concrete wallboard with from structure of taking one's place which characterized in that: comprises a prefabricated reinforced wall body (1),
The vertical steel connecting piece (2) is pre-embedded in the prefabricated reinforced wall body (1), and the positioning keys (3) or the self-positioning grooves (4) are pre-embedded in one end face of the prefabricated reinforced wall body (1) at intervals; the positioning key (3) is a metal convex part, and the top surface is a smooth surface;
the prefabricated reinforced wall body (1) comprises horizontal reinforcing steel bars arranged at intervals, vertical reinforcing steel bars arranged at intervals and tie bars, and is formed by pouring concrete; at least one end part of the vertical steel bar extends out of the prefabricated reinforced wall body (1);
the vertical steel connecting pieces (2) are vertically arranged at intervals and vertically arranged in a penetrating manner and are wrapped between the horizontal steel bars and the vertical steel bars.
3. A reinforced precast concrete wall panel with a self-seating structure according to claim 1 or 2, characterized in that: the positioning key is a raised head protruding out of the end face of the prefabricated reinforced wall body (1), the top end of the positioning key is a smooth cambered surface, and a transverse metal plate or a transverse steel bar is welded on the bottom surface of the positioning key.
4. A reinforced precast concrete wall panel with a self-seating structure according to claim 1 or 2, characterized in that: the positioning key is columnar, one end of the positioning key protrudes out of the end face of the prefabricated reinforced wall body (1) and is a protruding part, and the other end of the positioning key is embedded into the prefabricated reinforced wall body (1) and is an embedded part;
the top end of the convex part is a smooth arc surface, an external thread is arranged at the embedded part, and the corresponding thread is inserted into a thread sleeve (12) embedded in the prefabricated reinforced wall body (1).
5. A reinforced precast concrete wall panel with a self-seating structure according to claim 1 or 2, characterized in that: the self-positioning groove (4) is inwards recessed from the end face of the prefabricated reinforced wall body (1) and is arc-shaped, and the curvature radius of the recessed radian is not less than that of the top smooth arc surface of the positioning key (3).
6. The reinforced precast concrete wall panel with the self-seating structure of claim 5, wherein: the outer surface of the self-positioning groove (4) is a concrete surface, a metal surface, a plastic surface or a combination of at least two of the above materials;
when the outer surface of the self-positioning groove (4) is a metal surface and/or a plastic surface, the inner surface of the self-positioning groove (4) is fixedly connected with anchoring pieces (5) at intervals, and the anchoring pieces (5) are embedded in the prefabricated reinforced wall body (1).
7. A reinforced precast concrete wall panel with a self-seating structure according to claim 1 or 2, characterized in that: the lower part of the prefabricated reinforced wall body (1) is provided with an exhaust hole (10).
8. A reinforced precast concrete wall panel with a self-seating structure according to claim 1 or 2, characterized in that: and the prefabricated reinforced wall body (1) is provided with a vertically through inner concrete pouring hole (11).
9. A joint structure comprising the reinforced precast concrete wall panel with a self-seating structure of claim 1, wherein: the wall plate comprises an upper layer wall plate and a lower layer wall plate, wherein the upper layer wall plate and the lower layer wall plate are connected through a vertical steel connecting piece (2) and poured into a whole through concrete, and a connecting area is formed at the connecting position;
the end parts of the vertical steel bars (7) of the upper and lower wall plates are lapped or welded or lapped or anchored and connected through additional steel bars;
and in the connecting area, the self-positioning groove (4)/the positioning key (3) on the lower end face of the upper wallboard is correspondingly connected with the positioning key (3)/the self-positioning groove (4) on the upper end face of the lower wallboard.
CN201922469231.8U 2019-12-31 2019-12-31 Strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place Active CN212053436U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922469231.8U CN212053436U (en) 2019-12-31 2019-12-31 Strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922469231.8U CN212053436U (en) 2019-12-31 2019-12-31 Strenghthened type precast concrete wallboard and connection structure with from structure of taking one's place

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CN212053436U true CN212053436U (en) 2020-12-01

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