CN107090925B - Reinforced precast reinforced concrete shear wall, structural system and construction method thereof - Google Patents

Reinforced precast reinforced concrete shear wall, structural system and construction method thereof Download PDF

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CN107090925B
CN107090925B CN201710332701.9A CN201710332701A CN107090925B CN 107090925 B CN107090925 B CN 107090925B CN 201710332701 A CN201710332701 A CN 201710332701A CN 107090925 B CN107090925 B CN 107090925B
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reinforced
concrete
bars
wall
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CN107090925A (en
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姚攀峰
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/56Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members

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  • Load-Bearing And Curtain Walls (AREA)

Abstract

The invention relates to the technical field of shear wall structure systems, and discloses a reinforced precast reinforced concrete shear wall, a structure system and a construction method thereof. The invention is formed by connecting the prefabricated wall boards up and down, and comprises reinforced vertical steel bones and steel bars in the edge area of the prefabricated wall boards and a poured concrete wall body, wherein the reinforced vertical steel bones are discontinuously arranged and respectively arranged at connecting nodes at the upper end and the lower end of the prefabricated wall boards, and the edge longitudinal bars are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bones; the outer side of the reinforced vertical steel rib is overlapped, anchored or welded with the edge longitudinal ribs, and one end extends out of the concrete wall body; the height of the concrete wall body is not higher than the heights of the edge longitudinal bars and the wall body vertical bars; the upper and lower adjacent prefabricated wallboards are connected with the vertical wall steel bars through corresponding reinforced vertical steel bars, edge vertical bars and wall vertical bars, and connecting joints are poured in the connecting node areas. The invention has the advantages of low cost, convenient construction, excellent shear strength at the joint and convenient control of construction quality.

Description

Reinforced precast reinforced concrete shear wall, structural system and construction method thereof
Technical Field
The invention relates to the technical field of shear wall structure systems, in particular to a reinforced precast reinforced concrete shear wall, a structure system and a construction method thereof.
Background
The building industrialization is the key point of national construction and development, and the 'large-scale popularization of assembled building', 'encouraging assembled construction of building enterprises', 'on-site assembly', 'building national grade assembled building production base', 'increase policy support force, strive for about 10 years, and the assembled building accounts for 30% of new building' is clearly pointed out in 'a plurality of opinions about further strengthening urban planning construction management work by China Central national institute' published in the year of 2016.
China is a country with frequent earthquakes, earthquake disasters are natural disasters with the greatest casualties of residents in China, and casualties and property loss caused by the huge earthquake disasters are main losses in the earthquake disasters. Therefore, the requirements on the earthquake resistance of new buildings are higher and higher, and the assembled building is required to have good shearing resistance and ductility, and can safely resist the damage of a certain earthquake level.
The construction combining the steel structure and the concrete structure has larger design difficulty, and the combined advantages of the steel structure and the concrete structure have more technical problems. The steel plate shear wall is characterized in that a steel plate and a steel column are arranged in the whole shear wall as frameworks, foundation framework binding and fixing are required on site, construction difficulty is high, steel plate utilization efficiency is low, the steel plate shear wall is not suitable for high-altitude construction, hoisting equipment is occupied for a long time by hoisting the steel plate and the steel bar, equipment utilization rate is low, turnover utilization rate on site is low, and construction period is greatly prolonged. The main stream structure of the current building industrialization is a cast-in-situ shear wall structure system adopted in part of prefabricated edge component areas or node areas, the construction integrity is good, the manufacturing cost is low, the method is economical and practical, the durability and the fire resistance are good, but the construction quality is difficult to control, the construction period is long, the tensile strength is low, the earthquake resistance is poor, the ductility is poor under the earthquake action, and brittle failure is easy to occur.
How to find a suitable building industrialization technology and meet the requirements of industrial construction, and the method can effectively cope with large earthquakes and even giant earthquakes is a challenge in building industrialization.
Disclosure of Invention
The invention provides a reinforced precast reinforced concrete shear wall, a structural system and a construction method thereof, which have the advantages of low cost, convenient construction, excellent shear strength at the joint and convenient control of construction quality.
The technical problems to be solved are as follows: the edge component area or the node area of the existing fabricated building adopts a cast-in-situ shear wall structure system, so that the construction amount is large, the construction quality is difficult to control, the construction period is longer, the steel usage amount is large, the tensile strength is low, the anti-seismic performance is poor, the ductility is poor, and brittle failure is easy to occur.
In order to solve the technical problems, the invention adopts the following technical scheme:
the reinforced precast reinforced concrete shear wall is formed by connecting precast wall boards up and down, wherein the cross section of the precast wall board is in a shape like a Chinese character 'Yi', 'L', 'T', 'cross' or a combination of the precast wall boards; the prefabricated wallboard comprises reinforced vertical steel bones, steel bars and poured concrete wall bodies, wherein the reinforced vertical steel bones and the poured concrete wall bodies are arranged in the edge area, the corner area and/or the node area of the prefabricated wallboard, the reinforced vertical steel bones are discontinuously arranged and respectively arranged at the connecting nodes of the upper end and the lower end of the prefabricated wallboard, and the reinforced vertical steel bones are straight steel, angle steel, channel steel, I-shaped steel, H-shaped steel, king steel, special-shaped steel bones, welded steel members or combinations of the above; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars, and the edge longitudinal bars are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bones; the outer side of the reinforced vertical steel rib is overlapped, anchored or welded with the edge longitudinal ribs, and one end extends out of the concrete wall body; the non-edge steel bars comprise wall vertical steel bars and wall horizontal steel bars; the height of the concrete wall body is not higher than the heights of the edge longitudinal bars and the wall body vertical bars; the prefabricated wallboards are connected with the vertical steel bars of the wall body through corresponding reinforced vertical steel bars, edge longitudinal bars and vertical steel bars of the wall body, connecting joints are poured at the connecting joints, the connecting joints are concrete or grouting materials, and studs and/or shear resistant pieces are welded on the reinforced vertical steel bars.
The reinforced precast reinforced concrete shear wall is characterized in that the horizontal ribs of the wall body are arranged in the non-edge area of the wallboard, and two ends of the horizontal ribs are respectively anchored, lapped or welded and fixed with horizontal stirrups or lacing wires of the edge area of the wallboard.
The reinforced precast reinforced concrete shear wall is characterized in that a reinforcing piece is further arranged in the precast wallboard, the reinforcing piece comprises an inclined reinforcing piece and/or a horizontal reinforcing piece, the inclined reinforcing piece is arranged along the diagonal line of the precast wallboard, two ends of the inclined reinforcing piece and the horizontal reinforcing piece are respectively welded, bolted or connected with a reinforced vertical steel rib through a connecting plate, and the reinforcing piece is a steel bar or a steel bar cage.
The reinforced precast reinforced concrete shear wall is characterized in that the vertical steel bars of the wall body are also provided with tie bars.
According to the reinforced precast reinforced concrete shear wall, further, corresponding reinforced vertical steel bones in the upper and lower adjacent precast wallboards are fixed through welding or bolting, edge longitudinal ribs and wall vertical steel bars are connected through sleeves, welded or lapped and fixed, and reinforcing stirrups are arranged on the outer sides of the connected reinforced vertical steel bones, the edge longitudinal ribs and the wall vertical steel bars.
The reinforced precast reinforced concrete shear wall is characterized in that the connecting area is provided with shear keys, and the shear keys are steel plates, section steel or reinforced concrete keys.
The invention discloses a construction method of a reinforced precast reinforced concrete shear wall, which comprises the following steps:
step one, processing steel bones and steel bars: processing and manufacturing vertical wall steel bars and horizontal wall steel bars in a non-edge area, wherein the vertical wall steel bars are used for reinforcing vertical steel bars, the vertical edge steel bars, the horizontal stirrups or tie bars in the edge area of the wallboard;
step two, supporting a die: erecting a template;
step three, binding and fixing the steel bars and the steel bones: binding edge steel bars and non-edge steel bars according to the design, wrapping the edge steel bars to strengthen vertical steel bones, and overlapping, anchoring or welding and fixing the edge steel bars;
pouring concrete: pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
step five, connecting prefabricated wallboards: lifting the prefabricated wall plate, aligning the prefabricated wall plate with the prefabricated wall plate below, respectively connecting and fixing corresponding reinforced vertical steel bones, edge longitudinal ribs and wall vertical steel bars, fixing the corresponding reinforced vertical steel bones through welding or bolting, connecting the edge longitudinal ribs and the wall vertical steel bars through sleeves, welding or lap joint, and arranging reinforcing stirrups outside the connecting positions;
Pouring a connecting joint: and (3) erecting a template at the joint of the prefabricated wallboard, pouring and vibrating concrete or grouting materials, curing, and removing the template after the structure reaches a certain strength.
The construction method of the reinforced precast reinforced concrete shear wall comprises the following steps of carrying out prefabricated processing on edge steel bars and non-edge steel bars into steel bar cages and/or steel bar meshes in a factory in the step one, and directly assembling the steel bar cages and/or steel bar meshes with reinforced vertical steel bars, and binding or welding the steel bar cages and/or steel bar meshes.
The invention relates to a reinforced precast reinforced concrete shear wall structure system, which comprises a foundation, a connecting beam, unit shear walls at two ends of the connecting beam and special energy consumption components, wherein the unit shear walls are formed by splicing precast wallboards, the cross sections of the precast wallboards are in a shape like a Chinese character 'yi', a shape like a T, a shape like a Chinese character 'cross', or a combination of the above, the precast wallboards comprise reinforced vertical steel bones, reinforcing steel bars and poured concrete wall bodies which are arranged in edge areas, corner areas and/or node areas of the precast wallboards, the reinforced vertical steel bones are discontinuously arranged and respectively arranged at connecting nodes at the upper end and the lower end of the precast wallboards, and the reinforced vertical steel bones are straight steel, angle steel, channel steel, I-steel, H-shaped steel, king steel, special-shaped steel bones, welding steel components or the combination of the above; the reinforced vertical steel rib is welded with a stud and/or a shear member, the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars, and the edge longitudinal bars are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel rib; the outer side of the reinforced vertical steel rib is overlapped, anchored or welded with the edge longitudinal ribs, and one end extends out of the concrete wall body; the non-edge steel bars comprise wall vertical steel bars and wall horizontal steel bars; the height of the concrete wall body is not higher than the heights of the edge longitudinal bars and the wall body vertical bars; the prefabricated wallboards are connected with each other through corresponding reinforcing vertical steel bars, edge longitudinal ribs and wall vertical steel bars, connection joints are poured at the connection positions, and the connection joints are concrete or grouting materials; a floor slab is arranged above the connecting beam; the special energy consumption component is connected between two adjacent unit shear walls through a connecting piece.
According to the reinforced precast reinforced concrete shear wall structure system, further, the connecting end beam is horizontally arranged at the connecting position of the reinforced vertical steel rib, one end of the connecting end beam is welded or bolted with the reinforced vertical steel rib, and the other end of the connecting end beam extends out of the precast wallboard and is connected with one end of the connecting beam.
The reinforced precast reinforced concrete shear wall structure system is characterized in that the special energy consumption component is one or a combination of more of a steel connecting beam, a double connecting beam, a constraint steel plate shear wall or an anti-buckling support.
The reinforced precast reinforced concrete shear wall structure system is characterized in that the reinforced precast reinforced concrete shear wall structure system comprises a reinforced concrete slab, a reinforced truss concrete slab, a profiled steel sheet cast-in-situ reinforced concrete slab, a cast-in-situ reinforced concrete slab of a site formwork or a superposed slab combining prefabrication and cast-in-situ; the concrete of the floor slab is concrete, recycled concrete, fly ash concrete, slag concrete or additive concrete; the connecting beam is a steel connecting beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete connecting beam.
The invention relates to a reinforced precast reinforced concrete shear wall structure system, which is a frame shear wall structure system formed by combining a foundation, a structural column, a structural beam and a unit shear wall, wherein the unit shear wall is formed by splicing precast wallboards, the cross section of each precast wallboard is in a shape like a Chinese character 'yi', an L ', a T', a cross or the combination of the two, the precast wallboard comprises reinforced vertical steel bones arranged in the edge area of the precast wallboard, reinforcing steel bars and a poured concrete wall body, the reinforced vertical steel bones are discontinuously arranged and are respectively arranged at connecting nodes at the upper end and the lower end of the precast wallboard, and the reinforced vertical steel bones are steel bars, angle steels, channel steels, I-shaped steels, H-shaped steels, king steels, special-shaped steel bones, welding steel members or the combination of the two; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars, and the edge longitudinal bars are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bones; the outer side of the reinforced vertical steel rib is overlapped, anchored or welded with the edge longitudinal ribs, and one end extends out of the concrete wall body; the non-edge steel bars comprise wall vertical steel bars and wall horizontal steel bars; the height of the concrete wall body is not higher than the heights of the edge longitudinal bars and the wall body vertical bars; the prefabricated wallboards are connected with each other through corresponding reinforcing vertical steel bars, edge longitudinal ribs and wall vertical steel bars, connection joints are poured at the connection positions, and the connection joints are concrete or grouting materials; the foundation is a reinforced concrete foundation; the structural column is a steel column, a reinforced concrete column, a steel tube-concrete combined column or a steel-concrete-reinforced bar combined column; the structural beam is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete connecting beam.
The reinforced precast reinforced concrete shear wall structure system is characterized in that the structure column is a precast steel-concrete-steel bar combined column and is formed by splicing unit columns up and down, the unit columns comprise connecting vertical steel bones, steel bars and poured concrete column shafts which are positioned in the structure column, the connecting vertical steel bones are discontinuously arranged and are respectively arranged at connecting nodes at the upper end and the lower end of the structure column, and the connecting vertical steel bones are steel bars, angle steels, channel steels, I-steel, H-shaped steel, king steel, special-shaped steel bones, welded steel members or combinations of the connecting vertical steel bones; the steel bars comprise column longitudinal steel bars and composite stirrups, the column longitudinal steel bars are fixed by the composite stirrups and sleeved outside the connecting vertical steel bones, and the outer sides of the connecting vertical steel bones are lapped, anchored or welded with the composite stirrups; the height of the concrete column body is not higher than the height of the column body longitudinal steel bars; the upper and lower adjacent unit columns are connected with the column body longitudinal steel bars through corresponding connecting vertical steel bones, connecting joints are poured at the connecting joints, and the connecting joints are concrete or grouting materials.
The reinforced precast reinforced concrete shear wall structure system provided by the invention further comprises at least one circular stirrup or spiral stirrup.
According to the reinforced precast reinforced concrete shear wall structure system, further, corresponding connecting vertical steel bones in the upper and lower adjacent unit columns are fixed through welding or bolting, column shaft longitudinal steel bars are fixed through sleeve connection, welding or lap joint, and reinforcing stirrups are arranged on the outer sides of the connecting vertical steel bones and the column shaft longitudinal steel bars.
The reinforced precast reinforced concrete shear wall structure system is characterized in that the reinforced concrete foundation is an independent foundation, a raft foundation, a beam foundation, a box foundation, a pile foundation or a combination of the independent foundation and the raft foundation.
According to the reinforced precast reinforced concrete shear wall structure system, further, the reinforcing piece is arranged in the precast wallboard, the reinforcing piece comprises an inclined reinforcing piece and/or a horizontal reinforcing piece, the inclined reinforcing piece is arranged along the diagonal line of the precast wallboard, and two ends of the inclined reinforcing piece and the horizontal reinforcing piece are respectively welded with a reinforced vertical steel rib, bolted or connected through a connecting plate.
According to the reinforced precast reinforced concrete shear wall structure system, further, a shock insulation support is arranged between the precast wallboard or the structural column and the foundation.
According to the reinforced precast reinforced concrete shear wall structure system, further, the wall body horizontal ribs are arranged in the non-edge area of the wallboard, and two ends of the wall body horizontal ribs are respectively anchored, lapped or welded and fixed with horizontal stirrups or lacing wires in the edge area of the wallboard.
According to the reinforced precast reinforced concrete shear wall structure system, further, corresponding reinforced vertical steel bones in the upper and lower adjacent precast wallboards are fixed through welding or bolting, edge longitudinal ribs and wall vertical steel bars are connected through sleeves, welded or lap-jointed and fixed, and reinforcing stirrups are arranged on the outer sides of the connected reinforced vertical steel bones, the edge longitudinal ribs and the wall vertical steel bars.
The invention discloses a construction method of a reinforced precast reinforced concrete shear wall structure system, which comprises the following steps:
step A, prefabricating a shear wallboard: processing and manufacturing vertical wall steel bars and horizontal wall steel bars in a non-edge area, wherein the vertical wall steel bars are used for reinforcing vertical steel bones, edge areas of wallboard, corner areas and/or edge longitudinal bars of node areas, horizontal stirrups or tie bars; erecting a template; binding edge steel bars and non-edge steel bars according to the design, wrapping the edge steel bars to strengthen the vertical steel bars, and overlapping, anchoring or welding and fixing the edge steel bars; pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
and B, mounting a lower shear wallboard: measuring and positioning on the basis of the completed structure, hoisting the prefabricated wall board, welding or bolting the reinforced vertical steel ribs at the bottom of the lower prefabricated wall board with the structural foundation, fixing the vertical steel bars of the wall body with the structural foundation, and pouring concrete or grouting material;
And C, installing an upper layer shear wallboard: after the upper layer prefabricated wallboard is hung and aligned with the lower layer prefabricated wallboard, the corresponding reinforced vertical steel ribs are welded or bolted and fixed, and then the corresponding edge longitudinal ribs and the wall vertical steel ribs are connected through sleeves, welded or lapped and fixed;
and D, pouring a connection joint: erecting a template at the joint of the prefabricated wall boards, pouring and vibrating concrete or grouting materials, and removing the template and maintaining after the structure reaches a certain strength;
e, connecting beam installation: hoisting a connecting beam, wherein two ends of the connecting beam are connected with two side unit shear walls;
and F, floor construction: hoisting the prefabricated floor slab or performing concrete pouring construction of the floor slab;
step G, layer-by-layer construction: repeating the construction steps C-F to the top layer of the building;
step H, special energy consumption component installation: and setting and installing special energy consumption components according to design requirements.
The invention relates to a construction method of a reinforced precast reinforced concrete shear wall structure system, which further comprises the following two special energy consumption components in the step H: and the construction floors are sequentially installed layer by layer, or the construction floors are installed uniformly after construction is completed.
The invention relates to a construction method of a reinforced precast reinforced concrete shear wall structure system, which is characterized in that a shock insulation support is arranged on a foundation during construction in the step B.
The invention discloses a construction method of a reinforced precast reinforced concrete shear wall structure system, which comprises the following steps:
step I, prefabricating a shear wallboard: processing and manufacturing vertical wall steel bars and horizontal wall steel bars in a non-edge area, wherein the vertical wall steel bars are used for reinforcing vertical steel bones, edge areas of wallboard, corner areas and/or edge longitudinal bars of node areas, horizontal stirrups or tie bars; erecting a template; binding edge steel bars and non-edge steel bars according to the design, wrapping the edge steel bars to strengthen the vertical steel bars, and overlapping, anchoring or welding and fixing the edge steel bars; pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
step II, installing a frame structure: on the basis of the completed structure, measuring and positioning are carried out, and a structural column and a structural beam are installed;
and III, installing a lower shear wallboard: measuring and positioning, hoisting the prefabricated wallboard on the completed structural basis, welding or bolting the reinforced vertical steel bones at the bottom of the lower prefabricated wallboard with the structural basis, fixing the vertical steel bars of the wall body with the structural basis, and pouring concrete or grouting material;
step IV, mounting an upper layer shear wallboard: after the upper layer prefabricated wallboard is hung and aligned with the lower layer prefabricated wallboard, the corresponding reinforced vertical steel ribs are welded or bolted and fixed, and then the corresponding edge longitudinal ribs and the wall vertical steel ribs are connected through sleeves, welded or lapped and fixed;
And V, pouring a connection joint: erecting a template at the joint of the prefabricated wall boards, pouring and vibrating concrete or grouting materials, and removing the template and maintaining after the structure reaches a certain strength;
step VI, floor construction: hoisting the prefabricated floor slab or performing concrete pouring construction of the floor slab;
step VII, layer-by-layer construction: and (5) repeating the construction steps II-VI to the top layer of the building.
The invention relates to a construction method of a reinforced precast reinforced concrete shear wall structure system, which is characterized in that a shock insulation support is arranged on a foundation during construction in the step II and the step III.
The construction method of the reinforced precast reinforced concrete shear wall structure system, provided by the invention, further comprises the steps of constructing the frame structure in the step II and the shear wall in the step III-step VI in the following two sequences: firstly, constructing a frame structure and a shear wall simultaneously; and secondly, constructing a frame structure and a shear wall in a staggered manner, constructing the shear wall in advance, and then constructing the frame structure.
The invention relates to a construction method of a reinforced precast reinforced concrete shear wall structure system, which is characterized in that a structural column in the step II is prefabricated by adopting the following method:
(1) processing steel bones and steel bars: processing and manufacturing a vertical steel rib, a column longitudinal steel bar and a composite stirrup in a factory;
(2) And (3) supporting a die: erecting a template;
(3) binding and fixing reinforcing steel bars and steel bones: binding is carried out according to the design, a column body longitudinal steel bar (82) is fixed by a composite stirrup (84) and sleeved outside a connecting vertical steel rib (81), and one end extends out of a concrete column body (85);
(4) pouring concrete: pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
(5) and (3) connecting a unit column: lifting the unit column, aligning with the unit column below, fixing the corresponding connection vertical steel bones by welding or bolting, fixing the column shaft longitudinal steel bars by sleeve connection, welding or lap joint,
(6) pouring a connecting joint: and (3) supporting a template at the joint of the unit columns, pouring and vibrating concrete or grouting materials, curing, and removing the template after the structure reaches a certain strength.
Compared with the prior art, the reinforced precast reinforced concrete shear wall has the following beneficial effects:
the reinforced precast reinforced concrete shear wall adopts the fully precast wallboard, combines a steel structure with a reinforced concrete structure, is precast in a factory and is connected in situ, and the reinforced vertical steel ribs are additionally arranged in the connecting node areas of the precast wallboard, so that the reinforced precast reinforced concrete shear wall has the functions of facilitating installation and shear force transmission, is convenient to fix, ensures that the construction process is more convenient, and simultaneously greatly improves the shear strength and bending bearing capacity of the shear wall in the end heads, the bent angle areas or the node areas; and reinforcing parts are additionally arranged between the reinforced vertical steel bones to form a steel-concrete framework of the shear wall, so that the use amount of steel is greatly reduced, and the shear strength and the bending strength of the shear wall are improved.
The prefabricated wallboard is formed by integrally pouring and prefabricating, so that the shear strength and bending resistance bearing capacity of the shear wall are improved, and meanwhile, the prefabricated wallboard has good durability and fire resistance; compared with a steel plate shear wall, the steel in the shear wall has higher effective utilization rate under the construction condition of ensuring the same shear strength and bending bearing capacity.
The reinforced precast reinforced concrete shear wall is prefabricated, spliced on site, and convenient to use, improves the on-site construction environment, greatly shortens the construction period and improves the construction efficiency; the adjacent shear walls or unit columns can be hoisted, and the steel ribs arranged vertically are welded and fixed in advance, so that the structure is formed, the difficulty of high-altitude construction is greatly reduced, and the high-altitude operation is facilitated.
The reinforced precast reinforced concrete shear wall structure system adopts the combination of the precast shear wall plates and the connecting beams to form the shear wall structure system, has light weight, high strength and strong energy consumption capacity, and has better anti-seismic performance; and the special energy consumption components are arranged in the shear wall system, so that the earthquake resistance of the shear wall system can be further improved, and after an earthquake, the repair can be completed by only replacing the damaged special energy consumption components, thereby greatly reducing the repair cost after the earthquake and improving the earthquake resistance of the structural system.
The reinforced precast reinforced concrete shear wall, the structural system and the construction method thereof are further described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of the reinforced precast reinforced concrete shear wall of example 1 and example 5;
FIG. 2 is a schematic structural view of the prefabricated wall panel of example 1 and example 5;
FIG. 3 is a schematic cross-sectional view of the prefabricated wall panel of example 1, example 5;
FIG. 4 is a schematic structural view of the prefabricated wall panel of example 2;
FIG. 5 is a schematic cross-sectional view of a prefabricated wall panel of example 2;
FIG. 6 is a schematic structural view of the prefabricated wall panel of example 3;
FIG. 7 is a schematic cross-sectional view of a prefabricated wall panel according to example 3;
FIG. 8 is a schematic structural view of a prefabricated wall panel according to example 4;
FIG. 9 is a schematic cross-sectional view of a prefabricated wall panel of example 4;
FIG. 10 is a schematic structural diagram of the reinforced precast reinforced concrete shear wall structure system of example 5;
FIG. 11 is a schematic structural diagram of the reinforced precast reinforced concrete shear wall structure system of example 6;
FIG. 12 is a schematic structural view of the structural column in example 6;
FIG. 13 is a schematic view showing the structure of a cell column in example 6;
FIG. 14 is a schematic cross-sectional view of a cell column in example 6;
Fig. 15 is a schematic cross-sectional view of a cell column in example 7.
Reference numerals:
1-prefabricating wallboard; 11-reinforcing vertical steel bones; 21-edge longitudinal ribs; 22-wall vertical steel bars; 23-wall horizontal ribs; 24-reinforcing stirrups; 25-tie bars; 26-diagonal stiffeners; 27-horizontal stiffeners; 31-a connection seam; 32-shear keys; 33-concrete wall body; 4-connecting beams; 41-connecting end beams; 42-floor slab; 5-special energy consumption components; 6-structural columns; 7-structural beams; 8-unit columns; 81-connecting a vertical steel rib; 82-column longitudinal steel bars; 84-composite stirrups; 85-concrete column body.
Detailed Description
Example 1
As shown in fig. 1-3, the reinforced precast reinforced concrete shear wall is formed by connecting precast wall boards 1 up and down, and the cross section of the precast wall board 1 is in a straight shape; the prefabricated wallboard 1 comprises a reinforced vertical steel rib 11, steel bars and a poured concrete wall body 33 which are arranged in the edge area of the prefabricated wallboard 1, wherein the reinforced vertical steel rib 11 is discontinuously arranged and respectively arranged at the connecting nodes at the upper end and the lower end of the prefabricated wallboard 1, and the reinforced vertical steel rib 11 is I-shaped steel; the reinforced vertical steel ribs 11 are welded with studs and/or shear resistant pieces; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars 21, the edge longitudinal bars 21 are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bars 11, the outer sides of the reinforced vertical steel bars 11 are overlapped, anchored or welded with the edge longitudinal bars 21, and one ends of the reinforced vertical steel bars extend out of the concrete wall body 33; the non-edge steel bars comprise wall vertical steel bars 22 and wall horizontal steel bars 23, and the wall vertical steel bars 22 and the wall horizontal steel bars 23 are arranged in a crossing manner; the wall body horizontal rib 23 is arranged in a non-edge area of the wallboard, and two ends of the wall body horizontal rib are respectively anchored, lapped or welded and fixed with horizontal stirrups or lacing wires in the edge area of the wallboard; the height of the concrete wall body 33 is not higher than the heights of the edge longitudinal bars 21 and the wall body vertical bars 22; corresponding reinforcing vertical steel ribs 11 in the prefabricated wall boards 1 adjacent to each other up and down are fixed through welding or bolting, edge longitudinal ribs 21 and wall body vertical steel bars 22 are fixed through sleeve connection, welding or lap joint, and reinforcing stirrups 24 are arranged on the outer sides of the connected reinforcing vertical steel ribs 11, edge longitudinal ribs 21 and wall body vertical steel bars 22; the connecting joint 31 is poured at the connecting position, and the connecting joint 31 is concrete or grouting material; the joint is provided with shear keys 32, and the shear keys 32 are steel plates, section steel or reinforced concrete keys.
The invention discloses a construction method of a reinforced precast reinforced concrete shear wall, which comprises the following steps:
step one, processing steel bones and steel bars: processing and manufacturing edge longitudinal bars 21, horizontal stirrups or tie bars and wall vertical bars 22 and wall horizontal bars 23 in non-edge areas of the reinforced vertical steel bones 11, the wallboard edge areas, the corner areas and/or the node areas in factories;
step two, supporting a die: erecting a template;
step three, binding and fixing the steel bars and the steel bones: binding edge steel bars and non-edge steel bars according to the design, wrapping the edge steel bars to strengthen the vertical steel bones 11, and overlapping, anchoring or welding and fixing the edge steel bars; binding of edge steel bars and non-edge steel bars can also be prefabricated and processed into steel bar cages and/or steel bar meshes in a factory in the first step, and the steel bar cages and/or steel bar meshes are directly assembled with the reinforced vertical steel bars 11, bound or welded and fixed;
pouring concrete: pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
step five, connecting the prefabricated wallboard 1: lifting the prefabricated wallboard 1, aligning with the prefabricated wallboard 1 below, respectively connecting and fixing corresponding reinforced vertical steel ribs 11, edge longitudinal ribs 21 and wall vertical steel bars 22, fixing the corresponding reinforced vertical steel ribs 11 through welding or bolting, connecting the edge longitudinal ribs 21 and the wall vertical steel bars 22 through sleeves, welding or overlapping, and arranging reinforcing stirrups 24 at the outer sides of the connecting positions;
Step six, pouring a connecting joint 31: and (3) erecting a template at the joint of the prefabricated wallboard 1, pouring and vibrating concrete or grouting materials, curing, and removing the template after the structure reaches a certain strength.
Example 2
The reinforced precast reinforced concrete shear wall is formed by connecting precast wall boards 1 up and down, and the cross section of the precast wall board 1 is in a straight shape as in the embodiment 1; as shown in fig. 4 and 5, the prefabricated wall panel 1 comprises reinforced vertical steel ribs 11, reinforcing steel bars, a poured concrete wall body 33 and reinforcing members, wherein the reinforced vertical steel ribs 11 are arranged in the edge area of the prefabricated wall panel 1, the reinforced vertical steel ribs 11 are discontinuously arranged and respectively arranged at connecting nodes at the upper end and the lower end of the prefabricated wall panel 1, and the reinforced vertical steel ribs 11 are i-shaped steel; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars 21, the edge longitudinal bars 21 are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bars 11, the outer sides of the reinforced vertical steel bars 11 are overlapped, anchored or welded with the edge longitudinal bars 21, and one ends of the reinforced vertical steel bars extend out of the concrete wall body 33; the non-edge steel bars comprise wall vertical steel bars 22 and wall horizontal steel bars 23, and the wall vertical steel bars 22 and the wall horizontal steel bars 23 are arranged in a crossing manner; tie bars 25 are arranged on the vertical steel bars 22 of the wall body at intervals, and the tie bars 25 are stirrups or tie bars; the reinforcement comprises an inclined reinforcement 26, the inclined reinforcement 26 is arranged along the diagonal line of the prefabricated wallboard 1, and two ends of the inclined reinforcement are respectively welded, bolted or connected with the reinforced vertical steel bones 11 of the edge area of the prefabricated wallboard 1 through connecting plates; the height of the concrete wall 33 is not higher than the heights of the edge longitudinal bars 21 and the wall vertical bars 22.
Example 3
The reinforced precast reinforced concrete shear wall is formed by connecting precast wall boards 1 up and down, and the cross section of the precast wall board 1 is L-shaped; as shown in fig. 6 and 7, the prefabricated wall panel 1 comprises reinforced vertical steel ribs 11, reinforcing steel bars, a poured concrete wall body 33 and reinforcing members arranged in the prefabricated wall panel 1, wherein the reinforced vertical steel ribs 11 are arranged in the edge area of the prefabricated wall panel 1 and the corner area of the L-shaped prefabricated wall panel 1, the reinforced vertical steel ribs 11 are discontinuously arranged and respectively arranged at the connecting nodes of the upper end and the lower end of the prefabricated wall panel 1, and the reinforced vertical steel ribs 11 are H-shaped steel; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars 21, the edge longitudinal bars 21 are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bars 11, the outer sides of the reinforced vertical steel bars 11 are overlapped, anchored or welded with the edge longitudinal bars 21, and one ends of the reinforced vertical steel bars extend out of the concrete wall body 33; the non-edge steel bars comprise wall vertical steel bars 22 and wall horizontal steel bars 23, and the wall vertical steel bars 22 and the wall horizontal steel bars 23 are arranged in a crossing manner; tie bars 25 are arranged on the vertical steel bars 22 of the wall body at intervals, and the tie bars 25 are stirrups or tie bars; the reinforcing parts comprise an inclined reinforcing part 26 and a horizontal reinforcing part 27, wherein the inclined reinforcing part 26 is arranged along the diagonal line of the prefabricated wallboard 1, the horizontal reinforcing part 27 is arranged at the joint of the upper end of the prefabricated wallboard 1, the two ends of the inclined reinforcing part 26 and the horizontal reinforcing part 27 are respectively welded, bolted or connected with the reinforced vertical steel bones 11 of the edge area of the prefabricated wallboard 1 through connecting plates, and the reinforcing parts are made of steel bars; the height of the concrete wall 33 is not higher than the heights of the edge longitudinal bars 21 and the wall vertical bars 22.
Example 4
The reinforced precast reinforced concrete shear wall is formed by connecting precast wall boards 1 up and down, and the cross section of the precast wall board 1 is T-shaped, as in the embodiment 1; as shown in fig. 8 and 9, the prefabricated wall panel 1 comprises a reinforced vertical steel rib 11, a reinforcing steel bar, a poured concrete wall body 33 and a reinforcing member arranged in the prefabricated wall panel 1, wherein the reinforced vertical steel rib 11 is arranged at the edge area of the prefabricated wall panel 1 and at the node of the T-shaped prefabricated wall panel 1, the reinforced vertical steel rib 11 is discontinuously arranged and respectively arranged at the connecting nodes of the upper end and the lower end of the prefabricated wall panel 1, and the reinforced vertical steel rib 11 is of a King-shaped steel; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars 21, the edge longitudinal bars 21 are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bars 11, the outer sides of the reinforced vertical steel bars 11 are overlapped, anchored or welded with the edge longitudinal bars 21, and one ends of the reinforced vertical steel bars extend out of the concrete wall body 33; the non-edge steel bars comprise wall vertical steel bars 22 and wall horizontal steel bars 23, and the wall vertical steel bars 22 and the wall horizontal steel bars 23 are arranged in a crossing manner; tie bars 25 are arranged on the vertical steel bars 22 of the wall body at intervals, and the tie bars 25 are stirrups or tie bars; the reinforcing parts comprise two inclined reinforcing parts 26 and two horizontal reinforcing parts 27, wherein the inclined reinforcing parts 26 and the horizontal reinforcing parts 27 are respectively arranged in a crossing way along the diagonal line of the prefabricated wallboard 1, the horizontal reinforcing parts 27 are arranged at the connecting nodes of the upper end and the lower end of the prefabricated wallboard 1, the two ends of the inclined reinforcing parts 26 and the horizontal reinforcing parts 27 are respectively welded, bolted or connected with the reinforced vertical steel bones 11 of the edge area of the prefabricated wallboard 1 through connecting plates, and the reinforcing parts are made of steel reinforcement cages; the height of the concrete wall 33 is not higher than the heights of the edge longitudinal bars 21 and the wall vertical bars 22.
Example 5
As shown in fig. 10, the reinforced precast reinforced concrete shear wall structure system of the present invention comprises a foundation, a connecting beam 4, unit shear walls at two ends of the connecting beam 4, and a special energy dissipation member 5 arranged below the connecting beam 4.
As shown in fig. 1 to 3, the unit shear wall is formed by splicing prefabricated wallboards 1, a shock insulation support is arranged between the prefabricated wallboards 1 and a foundation, and as shown in fig. 2 to 4, the cross section of the prefabricated wallboards 1 is in a straight shape; the prefabricated wallboard 1 comprises a reinforced vertical steel rib 11, steel bars and a poured concrete wall body 33 which are arranged in the edge area of the prefabricated wallboard 1, wherein the reinforced vertical steel rib 11 is discontinuously arranged and respectively arranged at the connecting nodes at the upper end and the lower end of the prefabricated wallboard 1, and the reinforced vertical steel rib 11 is I-shaped steel; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars 21, the edge longitudinal bars 21 are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bars 11, the outer sides of the reinforced vertical steel bars 11 are overlapped, anchored or welded with the edge longitudinal bars 21, and the other ends of the reinforced vertical steel bars extend out of the concrete wall body 33; the non-edge steel bars comprise wall vertical steel bars 22 and wall horizontal steel bars 23, and the wall vertical steel bars 22 and the wall horizontal steel bars 23 are arranged in a crossing manner; the wall body horizontal rib 23 is arranged in a non-edge area of the wallboard, and two ends of the wall body horizontal rib are respectively anchored, lapped or welded and fixed with horizontal stirrups or lacing wires in the edge area of the wallboard; the height of the concrete wall body 33 is not higher than the heights of the edge longitudinal bars 21 and the wall body vertical bars 22; corresponding reinforcing vertical steel ribs 11 in the prefabricated wall boards 1 adjacent to each other up and down are fixed through welding or bolting, edge longitudinal ribs 21 and wall body vertical steel bars 22 are fixed through sleeve connection, welding or lap joint, and reinforcing stirrups 24 are arranged on the outer sides of the connected reinforcing vertical steel ribs 11, edge longitudinal ribs 21 and wall body vertical steel bars 22; the connecting joint 31 is poured at the connecting position, and the connecting joint 31 is concrete or grouting material; the joint is provided with shear keys 32, and the shear keys 32 are steel plates, section steel or reinforced concrete keys.
As shown in fig. 10, a connecting end beam 41 is horizontally arranged at a connecting node of the reinforced vertical steel rib 11, one end of the connecting end beam 41 is welded or bolted with the reinforced vertical steel rib 11, the other end of the connecting end beam 41 extends out of the prefabricated wallboard 1, and the connecting end beam 41 is formed steel and can be one of i-steel, channel steel or square steel; the connecting end beam 41 is connected with one end of the connecting beam 4 through bolts or welded and fixed, a floor slab 42 is arranged above the connecting beam 4, and the floor slab 42 is a precast reinforced concrete floor slab, a reinforced truss concrete floor slab, a profiled steel sheet cast-in-situ reinforced concrete floor slab, a cast-in-situ reinforced concrete floor slab of a site formwork or a precast and cast-in-situ combined composite floor slab; the concrete of the floor slab 42 is concrete, recycled concrete, fly ash concrete, slag concrete or additive concrete; the connecting beam 4 is a steel connecting beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete connecting beam.
The reinforced concrete foundation is an independent foundation, a raft foundation, a beam foundation, a box foundation, a pile foundation or a combination thereof.
The special energy dissipation member 5 is arranged below the connecting beam 4 and is connected between two adjacent unit shear walls through a connecting piece, and the special energy dissipation member 5 is one of a steel connecting beam 4, a double connecting beam 4 constraint steel plate shear wall or an anti-buckling support.
The invention discloses a construction method of a reinforced precast reinforced concrete shear wall structure system, which specifically comprises the following steps:
step A, prefabricating a shear wallboard: processing and manufacturing edge longitudinal bars 21, horizontal stirrups or tie bars and wall vertical bars 22 and wall horizontal bars 23 in non-edge areas of the reinforced vertical steel bones 11, the wallboard edge areas, the corner areas and/or the node areas in factories; erecting a template; binding edge steel bars and non-edge steel bars according to the design, wrapping the edge steel bars with the reinforced vertical steel bars 11, and overlapping, anchoring or welding and fixing the edge steel bars; pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
and B, mounting a lower shear wallboard: on the basis of the completed structure, measuring and positioning are carried out, and a shock insulation support is firstly installed; then hoisting the prefabricated wallboard 1, firstly welding or bolting and fixing the reinforced vertical steel ribs 11 at the bottom of the lower prefabricated wallboard 1 with the structural foundation, then fixing the vertical steel bars 22 of the wall body with the structural foundation, and pouring concrete or grouting material;
and C, installing an upper layer shear wallboard: after the upper prefabricated wallboard 1 is hung and aligned with the lower prefabricated wallboard 1, the corresponding reinforced vertical steel ribs 11 are welded or bolted and fixed, and then the corresponding edge longitudinal ribs 21 and the wall vertical steel bars 22 are connected through sleeves, welded or lapped and fixed;
Step D, pouring the connection joint 31: erecting a template at the joint of the prefabricated wallboard 1, pouring and vibrating concrete or grouting materials, and removing the template and maintaining after the structure reaches a certain strength;
e, installing the connecting beam 4: hoisting a connecting beam 4, wherein two ends of the connecting beam 4 are connected with two side unit shear walls;
and F, floor construction: hoisting the prefabricated floor slab or performing concrete pouring construction of the floor slab;
step G, layer-by-layer construction: repeating the construction steps C-F to the top layer of the building;
step H, special energy consumption component 5 is installed: setting and installing special energy consumption components 5 according to design requirements; the arrangement modes of the special energy consumption components 5 comprise the following two modes: and the construction floors are sequentially installed layer by layer, or the construction floors are installed uniformly after construction is completed.
According to different designs of the building, the prefabricated wall boards 1 with different shapes or structures and the similar schemes thereof can be adopted for splicing construction.
Example 6
As shown in fig. 11, the reinforced precast reinforced concrete shear wall structure system of the present invention comprises a frame shear wall structure system composed of a foundation, a structural column 6, a structural beam 7 and a unit shear wall connection.
The unit shear wall is formed by splicing prefabricated wall boards 1, a shock insulation support is arranged between the prefabricated wall boards 1 and a foundation, and as shown in fig. 2 to 4, the cross section of the prefabricated wall board 1 is in a straight shape; the prefabricated wallboard 1 comprises a reinforced vertical steel rib 11, steel bars and a poured concrete wall body 33 which are arranged in the edge area of the prefabricated wallboard 1, wherein the reinforced vertical steel rib 11 is discontinuously arranged and respectively arranged at the connecting nodes at the upper end and the lower end of the prefabricated wallboard 1, and the reinforced vertical steel rib 11 is I-shaped steel; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars 21, the edge longitudinal bars 21 are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel bars 11, the outer sides of the reinforced vertical steel bars 11 are overlapped, anchored or welded with the edge longitudinal bars 21, and one ends of the reinforced vertical steel bars extend out of the concrete wall body 33; the non-edge steel bars comprise wall vertical steel bars 22 and wall horizontal steel bars 23, and the wall vertical steel bars 22 and the wall horizontal steel bars 23 are arranged in a crossing manner; the wall body horizontal rib 23 is arranged in a non-edge area of the wallboard, and two ends of the wall body horizontal rib are respectively anchored, lapped or welded and fixed with horizontal stirrups or lacing wires in the edge area of the wallboard; the height of the concrete wall body 33 is not higher than the heights of the edge longitudinal bars 21 and the wall body vertical bars 22; corresponding reinforcing vertical steel ribs 11 in the prefabricated wall boards 1 adjacent to each other up and down are fixed through welding or bolting, edge longitudinal ribs 21 and wall body vertical steel bars 22 are fixed through sleeve connection, welding or lap joint, and reinforcing stirrups 24 are arranged on the outer sides of the connected reinforcing vertical steel ribs 11, edge longitudinal ribs 21 and wall body vertical steel bars 22; the connecting joint 31 is poured at the connecting position, and the connecting joint 31 is concrete or grouting material; shear keys 32 are arranged at the joints, and the shear keys 32 are steel plates, section steel or reinforced concrete keys; the foundation is a reinforced concrete foundation; the structural column 6 is a prefabricated steel-concrete-steel bar combined column; the structural beam 7 is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete connecting beam 4.
As shown in fig. 12 to 14, the structural column 6 is formed by splicing unit columns 8 up and down, and comprises a connecting vertical steel rib 81, reinforcing steel bars and a poured concrete column shaft 85 which are positioned in the structural column 6, wherein the connecting vertical steel rib 81 is discontinuously arranged and respectively arranged at connecting nodes at the upper end and the lower end of the structural column 6, and the connecting vertical steel rib 81 is i-steel; the steel bars comprise column longitudinal steel bars 82 and composite stirrups 84, the composite stirrups 84 comprise square stirrups and round stirrups, the column longitudinal steel bars 82 are fixed by the composite stirrups 84 and sleeved outside the connecting vertical steel ribs 81, and one ends of the column longitudinal steel bars extend out of the concrete column 85; the height of the concrete column 85 is not higher than the height of the column longitudinal steel bars 82; corresponding connecting vertical steel ribs 81 in the upper and lower adjacent unit columns 8 are fixed through welding or bolting, column body longitudinal steel bars 82 are fixed through sleeve connection, welding or lap joint, and reinforcing stirrups 24 are arranged on the outer sides of the connecting vertical steel ribs 81 and the column body longitudinal steel bars 82; the connection joint 31 is poured at the connection position, and the connection joint 31 is concrete or grouting material.
The foundation is a reinforced concrete foundation, and the reinforced concrete foundation is an independent foundation, a raft foundation, a beam foundation or a box foundation.
The invention discloses a construction method of a reinforced precast reinforced concrete shear wall structure system, which comprises the following steps:
step I, prefabricating a shear wallboard: processing and manufacturing edge longitudinal bars 21, horizontal stirrups or tie bars and wall vertical bars 22 and wall horizontal bars 23 in non-edge areas of the reinforced vertical steel bones 11, the wallboard edge areas, the corner areas and/or the node areas in factories; erecting a template; binding edge steel bars and non-edge steel bars according to the design, wrapping the edge steel bars with the reinforced vertical steel bars 11, and overlapping, anchoring or welding and fixing the edge steel bars; pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
step II, installing a frame structure: on the basis of the completed structure, measurement and positioning are carried out, firstly, a shock insulation support is installed, and then, a structural column 6 and a structural beam 7 are installed;
and III, installing a lower shear wallboard: simultaneously hoisting the prefabricated wallboard 1, firstly welding or bolting and fixing the reinforced vertical steel ribs 11 at the bottom of the lower prefabricated wallboard 1 with the structural foundation, then fixing the vertical steel bars 22 of the wall body with the structural foundation, and pouring concrete or grouting material;
step IV, mounting an upper layer shear wallboard: after the upper prefabricated wallboard 1 is hung and aligned with the lower prefabricated wallboard 1, the corresponding reinforced vertical steel ribs 11 are welded or bolted and fixed, and then the corresponding edge longitudinal ribs 21 and the wall vertical steel bars 22 are connected through sleeves, welded or lapped and fixed;
Step V, pouring the connection joint 31: erecting a template at the joint of the prefabricated wallboard 1, pouring and vibrating concrete or grouting materials, and removing the template and maintaining after the structure reaches a certain strength;
step VI, floor construction: hoisting the prefabricated floor slab or performing concrete pouring construction of the floor slab;
step VII, layer-by-layer construction: and (5) repeating the construction steps II-VI to the top layer of the building.
The construction of the frame structure in the step II and the shear wall in the step III-step VI can be performed in the following two sequences: firstly, constructing a frame structure and a shear wall simultaneously; and secondly, constructing a frame structure and a shear wall in a staggered manner, constructing the shear wall in advance, and then constructing the frame structure.
The construction method of the structural column 6 specifically comprises the following steps:
(1) processing steel bones and steel bars: processing and manufacturing a connecting vertical steel rib 81, a column longitudinal steel bar 82 and a composite stirrup 84 in a factory;
(2) and (3) supporting a die: erecting a template;
(3) binding and fixing reinforcing steel bars and steel bones: binding according to design, fixing the column body longitudinal steel bars 82 by composite stirrups 84, sleeving the column body longitudinal steel bars outside the connecting vertical steel bars 81, and extending one end of the column body longitudinal steel bars out of the concrete column body 85;
(4) pouring concrete: pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
(5) And (3) connecting a unit column: the unit columns 8 are lifted, aligned with the unit columns 8 below, the corresponding connecting vertical steel ribs 81 are fixed through welding or bolting, the column body longitudinal steel bars 82 are fixed through sleeve connection, welding or lap joint,
(6) pouring a connecting joint: and (3) erecting a template at the joint of the unit columns 8, pouring and vibrating concrete or grouting materials, curing, and removing the template after the structure reaches a certain strength.
The arrangement of the composite stirrups 84 in the structural column 6 can be varied in many ways and can also be as shown in example 7.
Example 7
Unlike embodiment 6, as shown in fig. 15, the structural column 6 is formed by splicing unit columns 8 up and down, and comprises a connecting vertical steel rib 81, a steel bar and a poured concrete column body 85 which are positioned in the structural column 6, wherein the connecting vertical steel rib 81 is discontinuously arranged and respectively arranged at connecting nodes at the upper end and the lower end of the structural column 6, and the connecting vertical steel rib 81 is I-shaped steel; the steel bars comprise column longitudinal steel bars 82 and composite stirrups 84, the composite stirrups 84 comprise three square stirrups, and the column longitudinal steel bars 82 are fixed by the composite stirrups 84 and sleeved outside the connecting vertical steel ribs 81; the height of the concrete column 85 is not higher than the height of the column longitudinal steel bars 82; corresponding connecting vertical steel ribs 81 in the upper and lower adjacent unit columns 8 are fixed through welding or bolting, column body longitudinal steel bars 82 are fixed through sleeve connection, welding or lap joint, and reinforcing stirrups are arranged on the outer sides of the connecting vertical steel ribs 81 and the column body longitudinal steel bars 82; the connection joint 31 is poured at the connection position, and the connection joint 31 is concrete or grouting material.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.

Claims (11)

1. The reinforced precast reinforced concrete shear wall structure system is a frame shear wall structure system formed by combining a foundation, a structural column (6), a structural beam (7) and a unit shear wall, and is characterized in that: the unit shear wall is formed by splicing prefabricated wall boards (1), the prefabricated wall boards (1) comprise reinforced vertical steel ribs (11), reinforcing steel bars and poured concrete wall bodies (33) which are arranged in the edge areas of the prefabricated wall boards (1), the reinforced vertical steel ribs (11) are discontinuously arranged and are respectively arranged at connecting nodes of the upper end and the lower end of the prefabricated wall boards (1), and the reinforced vertical steel ribs (11) are steel bars, angle steel, channel steel, I-shaped steel, H-shaped steel, king steel, special-shaped steel ribs, welded steel members or combinations of the above; the steel bars comprise edge steel bars and non-edge steel bars, the edge steel bars comprise edge longitudinal bars (21), and the edge longitudinal bars (21) are fixed by horizontal stirrups or lacing wires and sleeved outside the reinforced vertical steel ribs (11); the outer side of the reinforced vertical steel rib (11) is overlapped, anchored or welded with the edge longitudinal rib (21), and one end extends out of the concrete wall body (33); the non-edge steel bars comprise wall vertical steel bars (22) and wall horizontal steel bars (23); the height of the concrete wall body (33) is not higher than the heights of the edge longitudinal ribs (21) and the wall body vertical steel bars (22); the prefabricated wall boards (1) adjacent to each other vertically are connected through corresponding reinforced vertical steel ribs (11), edge longitudinal ribs (21) and wall body vertical steel bars (22), and connection joints are poured at the connection joints, and are concrete or grouting materials; the foundation is a reinforced concrete foundation; the reinforced concrete foundation is an independent foundation, a raft foundation, a beam foundation, a box foundation, a pile foundation or a combination of the above; the structural beam (7) is a steel beam, a variable-rigidity steel beam, a precast concrete superposed beam with a connecting piece or a cast-in-place concrete connecting beam;
The structure column (6) is a prefabricated steel-concrete-steel bar combined column and is formed by splicing unit columns (8) up and down, the unit columns (8) comprise connecting vertical steel bones (81), steel bars and poured concrete column shafts (85) which are positioned in the structure column (6), the connecting vertical steel bones (81) are discontinuously arranged and are respectively arranged at connecting nodes at the upper end and the lower end of the structure column (6), and the connecting vertical steel bones (81) are straight steel, angle steel, channel steel, I-steel, H-shaped steel, king steel, special-shaped steel bones, welded steel members or combinations of the above; the steel bars comprise column longitudinal steel bars (82) and composite stirrups (84), the column longitudinal steel bars (82) are fixed by the composite stirrups (84) and sleeved outside the connecting vertical steel ribs (81), and the outer sides of the connecting vertical steel ribs (81) are lapped, anchored or welded with the composite stirrups (84); the height of the concrete column body (85) is not higher than the height of the column body longitudinal steel bars (82); the upper and lower adjacent unit columns (8) are connected with the column body longitudinal steel bars (82) through corresponding connecting vertical steel ribs (81), connecting joints are cast at the connecting positions, and the connecting joints are concrete or grouting materials.
2. The reinforced precast reinforced concrete shear wall structure system of claim 1, wherein: the composite stirrup (84) includes at least one circular stirrup or helical stirrup.
3. The reinforced precast reinforced concrete shear wall structure system of claim 1, wherein: the corresponding connecting vertical steel ribs (81) in the unit columns (8) which are adjacent up and down are fixed through welding or bolting, the column body longitudinal steel bars (82) are fixed through sleeve connection, welding or lap joint, and reinforcing stirrups (24) are arranged at the connecting positions of the connecting vertical steel ribs (81) and the column body longitudinal steel bars (82).
4. The reinforced precast reinforced concrete shear wall structure system of claim 1, wherein: still be provided with the reinforcement in prefabricated wallboard (1), the reinforcement includes slant reinforcement (26) and/or horizontal reinforcement (27), and diagonal setting along prefabricated wallboard (1) is strengthened (26), slant reinforcement (26) and horizontal reinforcement (27) both ends respectively with strengthen vertical steel rib (11) welding, bolt or be connected through the connecting plate.
5. The reinforced precast reinforced concrete shear wall structure system of claim 4, wherein: and a shock insulation support is arranged between the prefabricated wallboard (1) or the structural column (6) and the foundation.
6. The reinforced precast reinforced concrete shear wall structure system of claim 4, wherein: the wall body horizontal ribs (23) are arranged in the non-edge area of the wallboard, and two ends of the wall body horizontal ribs are respectively anchored, lapped or welded and fixed with horizontal stirrups or lacing wires in the edge area of the wallboard.
7. The reinforced precast reinforced concrete shear wall structure system of claim 4, wherein: the vertical reinforcing steel bars (11) that correspond in prefabricated wallboard (1) are adjacent from top to bottom are fixed through welding or bolt, and edge longitudinal reinforcement (21) and wall body vertical reinforcement (22) are fixed through telescopic joint, welding or overlap joint, and the reinforcing vertical reinforcing steel bars (11), edge longitudinal reinforcement (21) and wall body vertical reinforcement (22) outside of connection are equipped with consolidate stirrup (24).
8. A method of constructing a reinforced precast reinforced concrete shear wall structure system according to any one of claims 1 to 3, characterized in that: the method comprises the following steps:
step I, prefabricating a shear wallboard: processing and manufacturing edge longitudinal bars (21), horizontal stirrups or lacing bars and wall vertical bars (22) and wall horizontal bars (23) in non-edge areas of the reinforced vertical steel bones (11), the wallboard edge areas, the corner areas and/or the node areas in factories; erecting a template; binding edge steel bars and non-edge steel bars according to the design, wrapping the edge steel bars with reinforced vertical steel bars (11), and overlapping, anchoring or welding and fixing the reinforced vertical steel bars; pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
Step II, installing a frame structure: on the basis of the completed structure, measuring and positioning are carried out, and a structural column (6) and a structural beam (7) are installed;
and III, installing a lower shear wallboard: measuring and positioning, hoisting the prefabricated wallboard (1) on the completed structural basis, welding or bolting the reinforced vertical steel ribs (11) at the bottom of the lower prefabricated wallboard (1) with the structural basis, fixing the vertical steel bars (22) of the wall body with the structural basis, and pouring concrete or grouting material;
step IV, mounting an upper layer shear wallboard: after the upper prefabricated wallboard (1) is hung and aligned with the lower prefabricated wallboard (1), the corresponding reinforced vertical steel ribs (11) are welded or bolted and fixed, and then the corresponding edge longitudinal ribs (21) and the wall vertical steel bars (22) are connected through sleeves, welded or lapped and fixed;
and V, pouring a connection joint: erecting a template at the joint of the prefabricated wallboard (1), pouring and vibrating concrete or grouting materials, and removing the template and maintaining after the structure reaches a certain strength;
step VI, floor construction: hoisting the prefabricated floor slab or performing concrete pouring construction of the floor slab;
step VII, layer-by-layer construction: and (5) repeating the construction steps II-VI to the top layer of the building.
9. The method for constructing a reinforced precast reinforced concrete shear wall structure system according to claim 8, wherein: and installing a shock insulation support on the basis during construction in the step II and the step III.
10. The method for constructing a reinforced precast reinforced concrete shear wall structure system according to claim 8, wherein: the construction of the frame structure in the step II and the shear wall in the step III-step VI can be performed in the following two sequences: firstly, constructing a frame structure and a shear wall simultaneously; and secondly, constructing a frame structure and a shear wall in a staggered manner, constructing the shear wall in advance, and then constructing the frame structure.
11. The method for constructing a reinforced precast reinforced concrete shear wall structure system according to claim 8, wherein: the structural column (6) in the step II is prefabricated by the following method:
(1) processing steel bones and steel bars: processing and manufacturing a connecting vertical steel rib (81), a column shaft longitudinal steel bar (82) and a composite stirrup (84) in a factory;
(2) and (3) supporting a die: erecting a template;
(3) binding and fixing reinforcing steel bars and steel bones: binding is carried out according to the design, a column body longitudinal steel bar (82) is fixed by a composite stirrup (84) and sleeved outside a connecting vertical steel rib (81), and one end extends out of a concrete column body (85);
(4) Pouring concrete: pouring and vibrating concrete in the template, and after the concrete structure reaches a certain strength, removing the template and curing to reach a standard strength for later use;
(5) and (3) connecting a unit column: lifting the unit column (8), aligning with the unit column (8) below, fixing the corresponding connecting vertical steel ribs (81) through welding or bolting, connecting the column shaft longitudinal steel bars (82) through sleeves, welding or lap joint,
(6) pouring a connecting joint: and (3) erecting a template at the joint of the unit columns (8), pouring and vibrating concrete or grouting materials, curing, and removing the template after the structure reaches a certain strength.
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