CN212427618U - Fabricated concrete slab wall structure reinforcing steel bar avoidance and reinforced connection cross-shaped node - Google Patents

Abstract

The utility model relates to an assembled concrete slab wall structure reinforcing bar dodges and strengthens connection cross node belongs to assembled concrete structure field. The two steel bars avoid the assembled concrete wall board connected with the reinforcement and the other two steel bars avoid the assembled concrete wall board connected with the reinforcement to be mutually vertical, the four steel bars avoid the assembled concrete wall board connected with the reinforcement through the cross-shaped wall node connecting steel bar frame, and concrete is poured to form the cross-shaped node. The utility model discloses an effect and advantage can make a large amount of node reinforcing bars rationally dodge at the in-process of construction, and under the prerequisite of guaranteeing reasonable dodge, rationally set up the shear force groove of all directions, the node bearing capacity is showing and is improving, especially is showing the ability of shearing that has improved the node.

Description

Fabricated concrete slab wall structure reinforcing steel bar avoidance and reinforced connection cross-shaped node

Technical Field

The utility model relates to an assembled concrete slab wall structure reinforcing bar dodges and strengthens connection cross node belongs to assembled concrete structure field.

Background

The prefabricated concrete building is a building with a concrete structure designed and built in a field assembly mode, wherein the prefabricated concrete components are mainly produced in a factory. The assembly method of the member generally comprises the steps of on-site post-pouring laminated concrete, steel bar anchoring post-pouring concrete connection and the like, and the steel bar connection can adopt the methods of sleeve grouting connection, welding, mechanical connection, reserved hole lap joint and the like. In the 80 s of the 20 th century, the prefabricated large-plate house popular in China has many hidden dangers and defects influencing the safety and normal use of the structure due to poor structural integrity, leakage, floor slab cracks and the like, and is gradually replaced by a cast-in-place concrete structure. However, with the application of the currently emerging prefabricated concrete structure, especially with the introduction of a plurality of foreign advanced technologies in recent years, a new technology for constructing a native prefabricated concrete structure is gradually formed.

The design and construction technology of the fabricated concrete building is researched from the fifties and sixties of the 20 th century in China, a series of fabricated concrete building systems are formed, and typical building systems comprise a fabricated single-layer industrial factory building system, a fabricated multi-layer frame building system, a fabricated large-plate building system and the like. The application of the fabricated concrete building reaches the full prosperous period in the 80 th of the 20 th century, and a fabricated concrete industrialized building mode integrating design, manufacture, construction and installation is formed in many places in the country, the fabricated concrete building and the masonry building adopting the prefabricated hollow floor slab become two main building systems, and the application popularization rate reaches more than 70%. Because the function and physical performance of the fabricated building have many limitations and defects, the level of the design and the development of the construction technology of the fabricated concrete building in China cannot keep up with the change of social requirements and the development of the construction technology, and the fabricated concrete building is gradually replaced by a full cast-in-place concrete building system in the middle of the 90 s of the 20 th century, so that the fabricated concrete building is widely applied to the fabricated single-layer industrial factory building system at present. Other prefabricated building systems have very few engineering applications. The seismic integrity of the prefabricated structure and the specialized research of design, construction and management are not enough, so that the technical economy is poor. Is the root cause of the long-term stagnation of the prefabricated structure.

The connection node of the fabricated concrete requires higher strength and rigidity, and a large amount of steel bars need to be configured. However, unlike a cast-in-place concrete structure, the hoisting of large and heavy components and parts is difficult, so that the connection and avoidance of various reinforcing steel bars are very critical, otherwise, the field construction is difficult, the working hours are increased, and the construction quality is seriously affected. In addition, the shearing resistance of the connecting node is often seriously insufficient due to the integrity problem of new and old concrete. And because the existence of a large amount of reinforcing bars, it is difficult to set up reasonable shear force groove, and some not only seriously influence production, and the effect is also unsatisfactory.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assembled concrete slab wall structure reinforcing bar dodges and strengthens connecting cross node, can make a large amount of node reinforcing bars rationally dodge at the in-process of construction, and under the prerequisite of guaranteeing reasonable dodging, rationally sets up the shear force groove of all directions, and the node bearing capacity is showing and is improving, especially is showing the ability of shearing that has improved the node.

The utility model adopts the following technical scheme:

the fabricated concrete slab wall structure steel bar avoidance and reinforcement connection cross-shaped node is characterized in that two steel bars are avoided and are relatively in a straight line shape with the fabricated concrete wall board in reinforcement connection, and the other two steel bars are avoided and are relatively in a straight line shape with the fabricated concrete wall board in reinforcement connection;

the two steel bars avoid the assembled concrete wall board connected with the reinforcement and the other two steel bars avoid the assembled concrete wall board connected with the reinforcement to be mutually vertical, the four steel bars avoid the assembled concrete wall board connected with the reinforcement through the cross-shaped wall node connecting steel bar frame, and concrete is poured to form the cross-shaped node;

the horizontal connecting and bending reinforcing steel bar rings of the cross-shaped wall node connecting reinforcing steel bar frame correspond to the horizontal connecting ring stirrups of the fabricated concrete wall panel with the reinforcing steel bar avoiding and reinforcing connection one by one,

the four extending ends of the horizontal connecting and bending reinforcing steel bar ring are all lapped with the horizontal connecting ring stirrup, and the lapping length is 100mm and 300 mm; two ends of two long horizontal section steel bars of the horizontally connected and bent steel bar rings are respectively lapped on the horizontal connecting ring stirrups, and the lower bent section steel bars of the horizontally connected and bent steel bar rings vertically and downwards penetrate through the horizontal connecting ring stirrups;

the bottom of the vertical bent steel bar of the cross-shaped wall node connecting steel bar frame is bent by 90 degrees to form a bottom bending section steel bar, and the bottom bending section steel bar is horizontal and is at the same elevation as the vertical reinforced bending avoidance steel bar;

the horizontal cross sections of the lower vertical section of steel bar and the upper vertical section of steel bar are located at four square corners, and after the stirrup is installed on the upper vertical section of steel bar, the side length of the innermost side edge of the lower vertical section of steel bar is 10-30mm larger than the side length of the outermost side edge of the stirrup.

Preferably, the assembled concrete wallboard with the reinforcement avoidance and the reinforcement connection mainly comprises a precast concrete plate body, a top reinforcement shear groove, a vertical connection reinforcement, a vertical reinforcement bending avoidance reinforcement, a horizontal connection ring stirrup, a side reinforcement shear groove and a reinforcement connection sleeve;

the precast concrete plate body is a rectangular concrete plate, a plurality of horizontally arranged horizontal connecting ring stirrups which are vertically and uniformly distributed are arranged in the precast concrete plate body, two ends of each horizontal connecting ring stirrup respectively extend out of two side ends of the precast concrete plate body, the extending lengths of the two ends are equal and are 100-400 mm, and bent hooks at the tail ends of reinforcing steel bars of the horizontal connecting ring stirrups of the upper layer and the lower layer are respectively and alternately arranged at four corners of each horizontal connecting ring stirrup;

a plurality of horizontally and uniformly distributed vertical reinforcing and bending avoidance reinforcing steel bars are arranged in the precast concrete plate body, and the distance between the vertical reinforcing and bending avoidance reinforcing steel bars at the left end and the right end and the adjacent vertical reinforcing and bending avoidance reinforcing steel bars is half to two thirds of the distance between other vertical reinforcing and bending avoidance reinforcing steel bars in the middle; the two ends of each vertical reinforced bending avoidance reinforcing steel bar respectively extend out of the upper end and the lower end of the precast concrete plate body, the lower ends of the vertical reinforced bending avoidance reinforcing steel bars extend out equally, the length of each vertical reinforced bending avoidance reinforcing steel bar is 20-50 mm, the upper ends of the vertical reinforced bending avoidance reinforcing steel bars extend out equally, the length of each vertical reinforced bending avoidance reinforcing steel bar is 50-100 mm, and the hooks at the tail ends of the reinforcing steel bars of the left vertical reinforced bending avoidance reinforcing steel bar and;

the vertical reinforced bending avoidance reinforcing steel bars lean against the insides of the hoops of the horizontal connecting rings respectively; binding the vertical reinforced bending avoidance steel bars with the horizontal connecting ring stirrups to form a space net rack; arranging vertical connecting steel bars at one inner angle of a vertical rectangle formed by the vertical reinforced bending avoidance steel bars and the horizontal connecting ring stirrups, except for rectangles at the left end and the right end, uniformly distributing the vertical connecting steel bars left and right in sequence in the direction in the plane of the wall, and alternately arranging the vertical connecting steel bars inside and outside the inner angle of the rectangle in the direction outside the plane of the wall, wherein the bottoms of the vertical connecting steel bars extend to the bottom of the precast concrete plate body and are respectively connected with the steel bar connecting sleeves, and the upper parts of the vertical connecting steel bars vertically extend out of the precast concrete plate body;

the vertical reinforced bending avoidance reinforcing steel bars are bent in the middle to form oblique bending section reinforcing steel bars, the oblique bending section reinforcing steel bars span the vertical connecting reinforcing steel bars, and after the oblique bending section reinforcing steel bars span the vertical connecting reinforcing steel bars, the vertical connecting reinforcing steel bars are positioned at the inner corners of adjacent rectangles; the oblique bending section steel bars of the vertical reinforced bending avoidance steel bars at one side end are positioned at the upper part, the oblique bending section steel bars of the vertical reinforced bending avoidance steel bars at the other side end are positioned at the lower part, the positions of the oblique bending section steel bars of the vertical reinforced bending avoidance steel bars between the left end and the right end are sequentially lifted one by one, and the positions of the oblique bending section steel bars are positioned on an oblique line;

the top surfaces of the precast concrete plate bodies corresponding to vertical rectangles formed by the vertical reinforced bent avoiding reinforcing steel bars and the horizontal connecting ring stirrups are respectively provided with a top reinforced shear groove, except the rectangles at the left end and the right end, the top reinforced shear grooves are vertically and downwards arranged, the horizontal projection is rectangular, the top reinforced shear grooves are tetrahedral grooves, the bottoms of the grooves are smaller than the openings of the grooves, and the four surfaces have the same gradient;

two side end faces of the precast concrete plate body corresponding to each layer of horizontal connecting ring stirrups are uniformly provided with side end reinforcing shear grooves, the side end reinforcing shear grooves are horizontally formed in the precast concrete plate body, the vertical projection is rectangular, the side end reinforcing shear grooves are tetrahedral grooves, the bottom of each groove is smaller than an opening of the corresponding groove, and the slope of the left surface and the slope of the right surface are larger than the slope of the upper surface and the lower surface.

Preferably, the vertical reinforced bending avoidance steel bar mainly comprises a steel bar hoop, a vertical steel bar, an oblique bending section steel bar, a first bending point, a second bending point and a steel bar tail end hook;

the whole steel bar hoop is rectangular, a hook at the tail end of each steel bar is positioned on one corner of the top, the same positions of two vertical steel bars are respectively provided with a first bending point and a second bending point, the first bending point is positioned on the upper part, the vertical steel bar on the upper part is vertical, the second bending point is positioned on the lower part, and the vertical steel bar on the lower part is vertical; an oblique bending section steel bar is arranged between the first bending point and the second bending point, and the bending angle of the oblique bending section steel bar is 30-45 degrees; the vertical interval between the vertical steel bar on the upper part of the first bending point and the vertical steel bar on the lower part of the second bending point is 60-100 mm.

Preferably, the cross-shaped wall node connecting reinforcing steel bar frame mainly comprises vertical bent reinforcing steel bars, horizontal connecting bent reinforcing steel bar rings and stirrups;

the four vertically bent reinforcing steel bars are vertical and positioned at four corners of the horizontal square, bottom bent section reinforcing steel bars of the vertically bent reinforcing steel bars respectively extend to four walls of the cross shape in sequence, and the four bottom bent section reinforcing steel bars are vertical in sequence;

four vertically bent reinforcing steel bars are bent for the second time at the top respectively, and are bent at a first bending point along the diagonal direction of a square, wherein the vertical bending angle is 30-45 degrees, so that small oblique section reinforcing steel bars are formed; after the steel bars are bent at the second bending point, the steel bars are vertically upwards to form a section of upper vertical section steel bars, the length of the upper vertical section steel bars is 100-300mm, the lengths of the upper vertical section steel bars on the diagonal lines are equal, and the height difference between the lengths of the two upper vertical section steel bars and the lengths of the other two upper vertical section steel bars is 30-50 mm; the upper vertical section of steel bars are positioned at four corners of the horizontal square; the vertical distance between the upper vertical section of steel bar and the corresponding lower vertical section of steel bar is 50-80 mm; the tops of the four upper vertical section reinforcing steel bars are horizontally bent towards the diagonal direction to form horizontal top bending section reinforcing steel bars, and the top bending section reinforcing steel bars are overlapped in pairs;

uniformly distributed stirrups are arranged on the lower vertical section of the steel bar, and horizontally connected bent steel bar rings are arranged at the positions of 1-2 stirrups;

four outward extending sinking short horizontal steel bars horizontally connected with the bent steel bar rings respectively point to the four steel bars to avoid the assembled concrete wall panel connected with the reinforcement, and the sinking short horizontal steel bars horizontally connected with the bent steel bar rings are 50-100 mm lower than the long horizontal section steel bars; the second bending point is provided with stirrups, and 1-2 stirrups are arranged on the upper vertical section of the steel bar.

Preferably, the vertical bending steel bars mainly comprise lower vertical section steel bars, bottom bending section steel bars, first bending points, second bending points, small inclined section steel bars, upper vertical section steel bars and top bending section steel bars,

the vertical bending reinforcing steel bar is formed by bending a reinforcing steel bar, and the bottom of the lower vertical section reinforcing steel bar is bent by 90 degrees to form a horizontal bottom bending section reinforcing steel bar;

the top of the lower vertical section of the steel bar is bent for the second time, a small oblique section of the steel bar is arranged between the first bending point and the second bending point, and the vertical bending angle of the small oblique section of the steel bar is 30-45 degrees; after secondary bending, the steel bar is still vertical to form a section of upper vertical section steel bar, and the length of the upper vertical section steel bar is 100-300 mm; the vertical distance between the upper vertical section of steel bar and the corresponding lower vertical section of steel bar is 50-80 mm; the top of the upper vertical section of reinforcing steel bar is bent for 90 degrees to form a horizontal top bending section reinforcing steel bar.

Preferably, the horizontally connected bent reinforcing rings are mainly formed by orthogonal two same bent reinforcing rings, are in a cross shape, have equal overhanging length and have four symmetrical axes;

the bent reinforcing steel bar rings respectively comprise long horizontal section reinforcing steel bars, lower bent section reinforcing steel bars and sinking short horizontal reinforcing steel bars, the whole bent reinforcing steel bar rings are rectangular reinforcing steel bar rings, two ends of the two long horizontal section reinforcing steel bars are bent downwards by 90 degrees, and the lower bent section reinforcing steel bars are 50-100 mm; the two short sides sink to form sinking short horizontal steel bars.

The utility model has the advantages that:

the utility model discloses an effect and advantage can make a large amount of node reinforcing bars rationally dodge at the in-process of construction, and under the prerequisite of guaranteeing reasonable dodge, rationally set up the shear force groove of all directions, the node bearing capacity is showing and is improving, especially is showing the ability of shearing that has improved the node. The construction of the joint is convenient, the construction speed is high, the economic effect is good, and the like, the member is convenient to produce, and various reinforcing steel bars are avoided and arranged in the shear groove, so that the factory production is not influenced; and the construction is simplified, the connection is reliable, the integrity is good, and the rigidity is obviously improved. Additionally, the utility model provides high industrialization efficiency reduces resource and energy resource consumption to can realize the universalization, it is standardized.

Drawings

FIG. 1 is a top view of a fabricated concrete slab wall structure rebar evasion and reinforcement connection cross-shaped node;

FIG. 2 is a schematic top view of an assembled concrete wall panel with reinforcement bars being avoided and reinforced;

FIG. 3 is a side view of a fabricated concrete wall panel with reinforcement bars attached thereto;

FIG. 4 is a schematic front view of a fabricated concrete panel with reinforcement bars attached to the panel;

FIG. 5 is a schematic front view of a vertical reinforcement bend avoidance rebar;

FIG. 6 is a schematic side view of a vertical reinforcement bend avoidance rebar;

fig. 7 is a top view of the cross-shaped wall node connecting reinforcing frames;

fig. 8 is a front view of a cross-shaped wall node connecting reinforcement cage;

fig. 9 is a top view of the horizontally connected bent reinforcing rings;

fig. 10 is a front view of a horizontally attached bent tendon ring.

In the figure, 1 is an assembly type concrete wallboard with steel bars avoiding and reinforcing connection; and 2, the cross-shaped wall node is connected with a reinforcing steel bar frame.

1-1 is a precast concrete plate body; 1-2 is a top reinforcing shear groove; 1-3 are vertical connecting steel bars; 1-4 are vertical reinforced bending avoidance reinforcing steel bars; 1-5 are horizontal connecting ring stirrups; 1-6 are side end reinforcing shear grooves; and 1-7 are steel bar connecting sleeves.

1-4-1 is a steel bar hoop; 1-4-2 is a vertical steel bar; 1-4-3 are oblique bending section steel bars; 1-4-4 is a first bending point; 1-4-5 is a second bending point; 1-4-6 are hooks at the tail ends of the reinforcing steel bars.

2-1 is a vertical bending steel bar; 2-2 is a horizontally connected bent reinforcing steel bar ring; 2-3 is a stirrup;

2-1-1 is a lower vertical section of steel bar; 2-1-2 is a bottom bending section steel bar; 2-1-3 is a first bending point; 2-1-4 is a second bending point; 2-1-5 is a small oblique section steel bar; 2-1-6 are upper vertical section steel bars; 2-1-7 are top bending section steel bars;

2-2-1 is a long horizontal section steel bar; 2-2-2 is a lower bending section steel bar; 2-2-3 is sinking short horizontal steel bar.

Detailed Description

For further explanation of the present invention, the following detailed description of the present invention is provided with reference to the drawings and examples, which should not be construed as limiting the scope of the present invention.

The utility model provides an assembled concrete slab wall structure reinforcing bar dodges and is shown as figure 1~ 9 with the enhancement connection cross node.

The assembled concrete slab wall structure steel bars avoid and reinforce the connection cross-shaped node, two steel bars avoid and are relatively in a straight line shape with the assembled concrete wall board 1 which is in reinforced connection, and the other two steel bars avoid and are relatively in a straight line shape with the assembled concrete wall board 1 which is in reinforced connection; the two steel bars avoid the assembled concrete wall board 1 which is connected with the reinforcement and the other two steel bars avoid the assembled concrete wall board 1 which is connected with the reinforcement and the four steel bars are connected through the cross-shaped wall node connecting steel bar frame 2, and concrete is poured to form a cross-shaped node; the horizontal connecting and bending steel bar rings 2-2 of the cross-shaped wall node connecting steel bar frame 2 correspond to the horizontal connecting ring stirrups 1-5 of the assembled concrete wall panel 1 with steel bar avoidance and reinforcement connection one by one, four overhanging ends of the horizontal connecting and bending steel bar rings 2-2 are lapped with the horizontal connecting ring stirrups 1-5, and the lapping length is 100 plus 300 mm; two ends of two long horizontal section steel bars 2-2-1 of the horizontally connected and bent steel bar ring 2-2 are respectively lapped on the horizontal connecting ring hoop 1-5, and the lower bent section steel bar 2-2-2 of the horizontally connected and bent steel bar ring 2-2 vertically penetrates through the horizontal connecting ring hoop 1-5; the bottom of a vertical bent steel bar 2-1 of a cross-shaped wall node connecting steel bar frame 2 is bent by 90 degrees to form a bottom bent section steel bar 2-1-2, and the bottom bent section steel bar 2-1-2 is horizontal and is at the same elevation with a vertical reinforced bent avoiding steel bar 1-4; horizontal cross sections of the lower vertical section steel bar 2-1-1 and the upper vertical section steel bar 2-1-6 are located at four corners of the square, and after the stirrup 2-3 is installed on the upper vertical section steel bar 2-1-6, the side length of the innermost side edge of the lower vertical section steel bar 2-1-1 is 10-30mm larger than the side length of the outermost side edge of the stirrup 2-3.

The assembled concrete wallboard with the functions of avoiding reinforcing bars and strengthening connection mainly comprises a precast concrete plate body 1-1, a top strengthening shear groove 1-2, vertical connecting reinforcing bars 1-3, vertical strengthening bent avoiding reinforcing bars 1-4, horizontal connecting ring stirrups 1-5, side end strengthening shear grooves 1-6 and reinforcing steel bar connecting sleeves 1-7, wherein the precast concrete plate body 1-1 is a rectangular concrete plate, a plurality of horizontal connecting ring stirrups 1-5 which are vertically and evenly distributed and horizontally arranged are arranged in the precast concrete plate body 1-1, two ends of each horizontal connecting ring stirrup 1-5 respectively extend out of two side ends of the precast concrete plate body 1-1, the extending lengths of the two ends are equal, the size of the hook is 100-400 mm, and hooks at the tail ends of the steel bars of the upper and lower layers of horizontal connecting ring stirrups 1-5 are alternately arranged at four corners of the horizontal connecting ring stirrups 1-5 respectively; a plurality of horizontally and uniformly distributed vertical reinforcing and bending avoidance reinforcing steel bars 1-4 are arranged in the precast concrete plate body 1-1, and the distance between the vertical reinforcing and bending avoidance reinforcing steel bars 1-4 at the left end and the right end and the adjacent vertical reinforcing and bending avoidance reinforcing steel bars 1-4 is one half to two thirds of the distance between other vertical reinforcing and bending avoidance reinforcing steel bars 1-4 in the middle; the two ends of the vertical reinforced bending avoidance reinforcing steel bars 1-4 respectively extend out of the upper end and the lower end of the precast concrete plate body 1-1, the lower ends of the vertical reinforced bending avoidance reinforcing steel bars extend out equally, the lengths of the lower ends of the vertical reinforced bending avoidance reinforcing steel bars are 20-50 mm, the upper ends of the vertical reinforced bending avoidance reinforcing steel bars extend equally, the lengths of the upper ends of the vertical reinforced bending avoidance reinforcing steel bars are 50-100 mm, and the reinforcing steel bar tail end hooks of the left vertical reinforced bending avoidance reinforcing steel bars 1-4 and; the vertical reinforced bending avoidance reinforcing steel bars 1-4 respectively lean against the insides of the horizontal connecting ring stirrups 1-5; binding vertical reinforced bending avoidance steel bars 1-4 with horizontal connecting ring stirrups 1-5 to form a space net rack; arranging vertical connecting reinforcements 1-3 at one inner angle of a vertical rectangle (except rectangles at the left end and the right end) formed by vertical reinforced bent avoiding reinforcements 1-4 and horizontal connecting ring stirrups 1-5, wherein the vertical connecting reinforcements 1-3 are sequentially and uniformly distributed on the left and the right sides in the direction of a wall plane, the vertical connecting reinforcements 1-3 are alternately arranged inside and outside the rectangular inner angle in the direction outside the wall plane, the bottoms of the vertical connecting reinforcements 1-3 extend to the bottom of a precast concrete plate body 1-1, the bottoms of the vertical connecting reinforcements are respectively connected with reinforcement connecting sleeves 1-7, and the upper part of the vertical connecting reinforcements vertically extends out of the precast concrete plate body 1-1; the vertical reinforced bending avoidance reinforcing steel bars 1-4 are bent in the middle to form oblique bending section reinforcing steel bars 1-4-3, the oblique bending section reinforcing steel bars 1-4-3 span the vertical connecting reinforcing steel bars 1-3, and after the oblique bending section reinforcing steel bars 1-3 span the vertical connecting reinforcing steel bars, the vertical connecting reinforcing steel bars 1-3 are positioned at the inner corners of adjacent rectangles; the oblique bending section reinforcing steel bars 1-4-3 of the vertical reinforced bending avoidance reinforcing steel bars 1-4 at one side end are positioned at the upper part, the oblique bending section reinforcing steel bars 1-4-3 of the vertical reinforced bending avoidance reinforcing steel bars 1-4 at the other side end are positioned at the lower part, the positions of the oblique bending section reinforcing steel bars 1-4-3 of the vertical reinforced bending avoidance reinforcing steel bars 1-4 between the left end and the right end are sequentially lifted one by one, and the positions of the oblique bending section reinforcing steel bars 1-4-3 are positioned on an oblique line; the top surfaces of precast concrete plate bodies 1-1 corresponding to vertical rectangles formed by vertical reinforced bent avoiding steel bars 1-4 and horizontal connecting ring stirrups 1-5 are respectively provided with top reinforced shear grooves 1-2, except rectangles at the left end and the right end, the top reinforced shear grooves 1-2 are vertically and downwards arranged, the horizontal projection is rectangular, the top reinforced shear grooves 1-2 are tetrahedral grooves, the bottoms of the grooves are smaller than the openings of the grooves, and the four surfaces are the same gradient; two side end faces of the precast concrete plate body 1-1 corresponding to each layer of horizontal connecting ring stirrups 1-5 are respectively provided with a side end reinforcing shear groove 1-6, the side end reinforcing shear grooves 1-6 are horizontally arranged towards the interior of the precast concrete plate body 1-1, the vertical projection is rectangular, the side end reinforcing shear grooves 1-6 are tetrahedral grooves, the bottom of each groove is smaller than the opening of the corresponding groove, and the gradient of the left surface and the gradient of the right surface are larger than the gradient of the upper surface and the gradient of the lower surface.

The vertical reinforced bending avoidance steel bar 1-4 mainly comprises a steel bar hoop 1-4-1, a vertical steel bar 1-4-2, an oblique bending section steel bar 1-4-3, a first bending point 1-4-4, a second bending point 1-4-5 and a steel bar tail end hook 1-4-6;

the whole steel bar hoop 1-4-1 is rectangular, a hook 1-4-6 at the tail end of each steel bar is positioned at one corner of the top, the same positions of two vertical steel bars 1-4-2 are respectively provided with a first bending point 1-4-4 and a second bending point 1-4-5, the first bending point 1-4-4 is positioned at the upper part, the vertical steel bar 1-4-2 at the upper part is vertical, the second bending point 1-4-5 is positioned at the lower part, and the vertical steel bar 1-4-2 at the lower part is vertical; oblique bending section steel bars 1-4-3 are arranged between the first bending points 1-4-4 and the second bending points 1-4-5, and the bending angle of the oblique bending section steel bars 1-4-3 is 30-45 degrees; the vertical distance between the vertical steel bar 1-4-2 at the upper part of the first bending point 1-4-4 and the vertical steel bar 1-4-2 at the lower part of the second bending point 1-4-5 is 60-100 mm.

The cross-shaped wall node connecting reinforcement frame 2 mainly comprises vertical bent reinforcements 2-1, horizontal connecting bent reinforcement rings 2-2 and stirrups 2-3; the four vertical bending reinforcing steel bars 2-1 are vertical and positioned at four corners of a horizontal square, bottom bending section reinforcing steel bars 2-1-2 of the vertical bending reinforcing steel bars 2-1 respectively extend to four walls of a cross shape in sequence, and the four bottom bending section reinforcing steel bars 2-1-2 are vertical in sequence;

four vertically bent reinforcing steel bars 2-1 are respectively bent at the top for the second time, and are bent at first bending points 2-1-3 along the diagonal direction of a square, wherein the vertical bending angle is 30-45 degrees, and a small oblique section reinforcing steel bar 2-1-5 is formed; after the steel bars are bent at the second bending points 2-1-4, the steel bars are vertically upward to form a section of upper vertical section steel bars 2-1-6, the length of the upper vertical section steel bars 2-1-6 is 100-300mm, the lengths of the upper vertical section steel bars 2-1-6 on the diagonal line are equal, and the height difference between the lengths of two upper vertical section steel bars 2-1-6 and the lengths of the other two upper vertical section steel bars 2-1-6 is 30-50 mm; the upper vertical section of steel bars 2-1-6 are positioned at four corners of the horizontal square; the vertical distance between the upper vertical section of steel bar 2-1-6 and the corresponding lower vertical section of steel bar 2-1-1 is 50-80 mm; the tops of the four upper vertical section steel bars 2-1-6 are horizontally bent towards the diagonal direction to form horizontal top bending section steel bars 2-1-7, and the top bending section steel bars 2-1-7 are lapped pairwise;

uniformly distributed stirrups 2-3 are arranged on the lower vertical section of the steel bar 2-1-1, and horizontally connected and bent steel bar rings 2-2 are arranged at the positions separated by 1-2 stirrups 2-3;

four outward extending sinking short horizontal steel bars 2-2-3 horizontally connected with the bent steel bar rings 2-2 respectively point to the four steel bars to avoid and reinforce the assembled concrete wallboard 1 connected with the steel bars, and the sinking short horizontal steel bars 2-2-3 horizontally connected with the bent steel bar rings 2-2 are 2-2-150-100 mm lower than the long horizontal section steel bars; and 2-3 stirrups are arranged at the second bending points 2-1-4, and 1-2 stirrups 2-3 are arranged on the upper vertical section of the steel bar 2-1-6.

The vertical bending steel bar 2-1 mainly comprises a lower vertical section steel bar 2-1-1, a bottom bending section steel bar 2-1-2, a first bending point 2-1-3, a second bending point 2-1-4, a small inclined section steel bar 2-1-5, an upper vertical section steel bar 2-1-6 and a top bending section steel bar 2-1-7,

the vertically bent reinforcing steel bar 2-1 is formed by bending a reinforcing steel bar, and the bottom of the lower vertical section reinforcing steel bar 2-1-1 is bent by 90 degrees to form a horizontal bottom bent section reinforcing steel bar 2-1-2;

the top of the lower vertical section of the steel bar 2-1-1 is bent for the second time, a small inclined section of the steel bar 2-1-5 is arranged between the first bending point 2-1-3 and the second bending point 2-1-4, and the vertical bending angle of the small inclined section of the steel bar 2-1-5 is 30-45 degrees; after secondary bending, the steel bar is still vertical to form a section of upper vertical section steel bar 2-1-6, and the length of the upper vertical section steel bar 2-1-6 is 100-300 mm; the vertical distance between the upper vertical section of steel bar 2-1-6 and the corresponding lower vertical section of steel bar 2-1-1 is 50-80 mm; the top of the upper vertical section of the reinforcing steel bar 2-1-6 is bent for 90 degrees to form a horizontal top bending section reinforcing steel bar 2-1-7.

The horizontally connected bent reinforcing steel bar rings 2-2 are mainly formed by two same bent reinforcing steel bar rings which are orthogonal and are in a cross shape, the extending lengths of the two same bent reinforcing steel bar rings are equal, and the horizontally connected bent reinforcing steel bar rings are provided with four symmetrical shafts;

the bent reinforcing steel bar rings respectively comprise long horizontal section reinforcing steel bars 2-2-1, lower bent section reinforcing steel bars 2-2-2 and sinking short horizontal reinforcing steel bars 2-2-3, the whole bent reinforcing steel bar ring is a rectangular reinforcing steel bar ring, two ends of each of the two long horizontal section reinforcing steel bars 2-2-1 are bent downwards by 90 degrees, and the length of each of the lower bent section reinforcing steel bars 2-2-2 is 50-100 mm; the two short sides sink to form sinking short horizontal steel bars 2-2-3.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides an assembled concrete slab wall structure reinforcing bar dodges and strengthens connecting cross node, its characterized in that: the two steel bars avoid the assembled concrete wall board (1) which is connected with the reinforcement and are relatively in a straight line shape, and the other two steel bars avoid the assembled concrete wall board (1) which is connected with the reinforcement and are relatively in a straight line shape;

the two steel bars avoid the assembled concrete wall board (1) in reinforced connection and the other two steel bars avoid the assembled concrete wall board (1) in reinforced connection to be vertical to each other, the four steel bars avoid the assembled concrete wall board (1) in reinforced connection to be connected through the cross-shaped wall node connecting steel bar frame (2), and concrete is poured to form a cross-shaped node;

the horizontal connecting and bending reinforcing steel bar rings (2-2) of the cross-shaped wall node connecting reinforcing steel bar frame (2) correspond to the horizontal connecting ring stirrups (1-5) of the fabricated concrete wallboard (1) with the avoidance and the reinforced connection of the reinforcing steel bars one by one,

the four overhanging ends of the horizontal connecting and bending reinforcing steel bar ring (2-2) are all lapped with the horizontal connecting ring hoop (1-5), and the lapping length is 100-300 mm; two ends of two long horizontal section steel bars (2-2-1) of the horizontal connection bending steel bar ring (2-2) are respectively lapped on the horizontal connection ring hoop (1-5), and the lower bending section steel bar (2-2-2) of the horizontal connection bending steel bar ring (2-2) vertically penetrates downwards from the horizontal connection ring hoop (1-5);

the bottom of a vertical bent steel bar (2-1) of the cross wall node connecting steel bar frame (2) is bent by 90 degrees to form a bottom bending section steel bar (2-1-2), and the bottom bending section steel bar (2-1-2) is horizontal and is at the same elevation with a vertical reinforced bending avoidance steel bar (1-4);

horizontal cross sections of the lower vertical section steel bar (2-1-1) and the upper vertical section steel bar (2-1-6) are located at four corners of the square, and after the stirrup (2-3) is installed on the upper vertical section steel bar (2-1-6), the side length of the innermost side edge of the lower vertical section steel bar (2-1-1) is 10-30mm larger than the side length of the outermost side edge of the stirrup (2-3).

2. A fabricated concrete panel wall construction rebar according to claim 1 in an abdicating and reinforcing connection cross-shaped node, wherein: the assembled concrete wallboard (1) for avoiding and reinforcing the connection of the steel bars mainly comprises a precast concrete plate body (1-1), a top reinforcing shear groove (1-2), vertical connecting steel bars (1-3), vertical reinforcing bent avoiding steel bars (1-4), horizontal connecting ring stirrups (1-5), side end reinforcing shear grooves (1-6) and steel bar connecting sleeves (1-7);

the precast concrete slab body (1-1) is a rectangular concrete slab, a plurality of horizontally arranged horizontal connecting ring stirrups (1-5) which are vertically and uniformly distributed are arranged in the precast concrete slab body (1-1), two ends of each horizontal connecting ring stirrup (1-5) respectively extend out of two side ends of the precast concrete slab body (1-1), the extending lengths of the two ends are equal and are 100-400 mm, and bent hooks at the tail ends of reinforcing steel bars of the upper and lower layers of horizontal connecting ring stirrups (1-5) respectively and alternately appear at four corners of the horizontal connecting ring stirrups (1-5);

a plurality of horizontally and uniformly distributed vertical reinforcing bending avoidance reinforcing steel bars (1-4) are arranged in the precast concrete plate body (1-1), and the distance between the vertical reinforcing bending avoidance reinforcing steel bars (1-4) at the left end and the right end and the adjacent vertical reinforcing bending avoidance reinforcing steel bars (1-4) is one half to two thirds of the distance between other vertical reinforcing bending avoidance reinforcing steel bars (1-4) in the middle; the two ends of the vertical reinforced bent avoidance reinforcing steel bars (1-4) respectively extend out of the upper end and the lower end of the precast concrete plate body (1-1), the lower ends of the vertical reinforced bent avoidance reinforcing steel bars extend out equally, the lengths of the lower ends of the vertical reinforced bent avoidance reinforcing steel bars are 20-50 mm, the upper ends of the vertical reinforced bent avoidance reinforcing steel bars extend equally, the lengths of the upper ends of the vertical reinforced bent avoidance reinforcing steel bars are 50-100 mm, and the reinforcing steel bar tail end hooks of the left vertical reinforced bent avoidance reinforcing steel bars (1-4) and the right vertical;

the vertical reinforced bending avoidance reinforcing steel bars (1-4) respectively lean against the insides of the horizontal connecting ring stirrups (1-5); binding vertical reinforced bending avoidance steel bars (1-4) with horizontal connecting ring stirrups (1-5) to form a space net rack; arranging vertical connecting steel bars (1-3) at one inner angle of a vertical rectangle (except for rectangles at the left end and the right end) formed by vertical reinforced bent avoiding steel bars (1-4) and horizontal connecting ring stirrups (1-5), wherein the vertical connecting steel bars (1-3) are sequentially and uniformly distributed in the inner direction of a wall plane, the vertical connecting steel bars (1-3) are alternately arranged inside and outside the inner angle of the rectangle in the outer direction of the wall plane, the bottoms of the vertical connecting steel bars (1-3) extend to the bottoms of the precast concrete plate bodies (1-1), the bottoms of the vertical connecting steel bars are respectively connected with a steel bar connecting sleeve (1-7), and the upper parts of the vertical connecting steel bars vertically extend out of the precast concrete plate bodies (1-1);

the vertical reinforced bending avoidance reinforcing steel bars (1-4) are bent in the middle to form oblique bending section reinforcing steel bars (1-4-3), the oblique bending section reinforcing steel bars (1-4-3) span the vertical connecting reinforcing steel bars (1-3), and after the oblique bending section reinforcing steel bars (1-4-3) span the vertical connecting reinforcing steel bars, the vertical connecting reinforcing steel bars (1-3) are positioned at the inner corners of adjacent rectangles; oblique bending section reinforcing steel bars (1-4-3) of vertical reinforced bending avoidance reinforcing steel bars (1-4) at one side end are positioned at the upper part, oblique bending section reinforcing steel bars (1-4-3) of vertical reinforced bending avoidance reinforcing steel bars (1-4) at the other side end are positioned at the lower part, the positions of the oblique bending section reinforcing steel bars (1-4-3) of the vertical reinforced bending avoidance reinforcing steel bars (1-4) between the left end and the right end are sequentially lifted one by one, and the positions of the oblique bending section reinforcing steel bars (1-4-3) are positioned on an oblique line;

top reinforcing shear force grooves (1-2) are respectively arranged on the top surfaces of the precast concrete plate bodies (1-1) corresponding to vertical rectangles (except rectangles at the left end and the right end) formed by the vertical reinforcing bent avoiding reinforcing steel bars (1-4) and the horizontal connecting ring stirrups (1-5), the top reinforcing shear force grooves (1-2) are vertically and downwards formed, the horizontal projection is rectangular, the top reinforcing shear force grooves (1-2) are tetrahedral grooves, the bottoms of the grooves are smaller than the openings of the grooves, and the four surfaces are the same gradient;

two side end faces of the corresponding precast concrete plate body (1-1) between every two layers of horizontal connecting ring stirrups (1-5) are respectively provided with a side end reinforcing shear groove (1-6), the side end reinforcing shear groove (1-6) is horizontally arranged towards the interior of the precast concrete plate body (1-1), the vertical projection is rectangular, the side end reinforcing shear groove (1-6) is a tetrahedral groove, the bottom of the groove is smaller than the opening of the groove, and the gradient of the left surface and the gradient of the right surface are larger than the gradient of the upper surface and the lower surface.

3. A fabricated concrete panel wall construction rebar according to claim 2 in an abdicating and reinforcing connection cross-shaped node, wherein: the vertical reinforced bending avoidance steel bar (1-4) mainly comprises a steel bar hoop (1-4-1), a vertical steel bar (1-4-2), an oblique bending section steel bar (1-4-3), a first bending point (1-4-4), a second bending point (1-4-5) and a steel bar tail end hook (1-4-6);

the whole steel bar hoop (1-4-1) is rectangular, hooks (1-4-6) at the tail ends of the steel bars are positioned at one corner of the top, the same positions of the two vertical steel bars (1-4-2) are respectively provided with a first bending point (1-4-4) and a second bending point (1-4-5), the first bending point (1-4-4) is positioned at the upper part, the vertical steel bars (1-4-2) at the upper part are vertical, the second bending point (1-4-5) is positioned at the lower part, and the vertical steel bars (1-4-2) at the lower part are vertical; oblique bending section steel bars (1-4-3) are arranged between the first bending points (1-4-4) and the second bending points (1-4-5), and the bending angle of the oblique bending section steel bars (1-4-3) is 30-45 degrees; the vertical distance between the vertical steel bar (1-4-2) at the upper part of the first bending point (1-4-4) and the vertical steel bar (1-4-2) at the lower part of the second bending point (1-4-5) is 60-100 mm.

4. A fabricated concrete panel wall construction rebar according to claim 1 in an abdicating and reinforcing connection cross-shaped node, wherein: the cross-shaped wall node connecting reinforcement frame (2) mainly comprises vertical bent reinforcements (2-1), horizontal connecting bent reinforcement rings (2-2) and stirrups (2-3);

the four vertically bent reinforcing steel bars (2-1) are vertical and positioned at four corners of the horizontal square, the bottom bending section reinforcing steel bars (2-1-2) of the vertically bent reinforcing steel bars (2-1) respectively extend to four walls of the cross shape in sequence, and the four bottom bending section reinforcing steel bars (2-1-2) are vertical in sequence;

four vertically bent reinforcing steel bars (2-1) are respectively bent at the top for the second time, and are bent at first bending points (2-1-3) along the diagonal direction of a square, wherein the vertical bending angle is 30-45 degrees, and small oblique section reinforcing steel bars (2-1-5) are formed; after the steel bars are bent at the second bending points (2-1-4), the steel bars are vertically upward to form a section of upper vertical section steel bars (2-1-6), the length of the upper vertical section steel bars (2-1-6) is 100-300mm, the lengths of the upper vertical section steel bars (2-1-6) on the diagonal line are equal, and the height difference between the lengths of two upper vertical section steel bars (2-1-6) and the lengths of the other two upper vertical section steel bars (2-1-6) is 30-50 mm; the upper vertical section of steel bars (2-1-6) are positioned at four corners of the horizontal square; the vertical distance between the upper vertical section of steel bar (2-1-6) and the corresponding lower vertical section of steel bar (2-1-1) is 50-80 mm; the tops of the four upper vertical section reinforcing steel bars (2-1-6) are horizontally bent towards the diagonal direction to form horizontal top bending section reinforcing steel bars (2-1-7), and the top bending section reinforcing steel bars (2-1-7) are lapped two by two;

uniformly distributed stirrups (2-3) are arranged on the lower vertical section of the steel bar (2-1-1), and horizontally connected and bent steel bar rings (2-2) are arranged at the positions of every 1-2 stirrups (2-3);

four outward extending sinking short horizontal steel bars (2-2-3) which are horizontally connected with the bent steel bar rings (2-2) point to the four steel bars respectively to avoid and reinforce the assembled concrete wallboard (1) connected with the assembled concrete wallboard, and the sinking short horizontal steel bars (2-2-3) which are horizontally connected with the bent steel bar rings (2-2) are 50-100 mm lower than the long horizontal section steel bars (2-2-1); and stirrups (2-3) are arranged at the second bending points (2-1-4), and 1-2 stirrups (2-3) are arranged on the upper vertical section of the steel bar (2-1-6).

5. An assembled concrete panel wall construction rebar according to claim 4 in an abdicating and reinforcing connection cross-shaped node wherein: the horizontally connected bent reinforcing steel bar rings (2-2) are mainly formed by orthogonally connecting two same bent reinforcing steel bar rings, are in a cross shape, have the same extending length and are provided with four symmetrical shafts;

the bent reinforcing steel bar ring comprises long horizontal section reinforcing steel bars (2-2-1), lower bent section reinforcing steel bars (2-2-2) and sinking short horizontal reinforcing steel bars (2-2-3), the whole bent reinforcing steel bar ring is a rectangular reinforcing steel bar ring, two ends of the two long horizontal section reinforcing steel bars (2-2-1) are bent downwards by 90 degrees, and the lower bent section reinforcing steel bars (2-2-2) are 50-100 mm; the two short sides sink to form sinking short horizontal steel bars (2-2-3).

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