A kind of steel and concrete combined structure system and construction method

文档序号:1752274 发布日期:2019-11-29 浏览:46次 中文

阅读说明:本技术 一种钢与砼组合结构体系及施工方法 (A kind of steel and concrete combined structure system and construction method ) 是由 杨峰 耿俊迪 俞锋波 张刘峰 于 2019-09-03 设计创作,主要内容包括:一种钢与砼组合结构体系及施工方法,包括带柱帽的格构式钢骨混凝土组合柱,预应力叠合梁、钢承板组合楼板,所述带柱帽的格构式钢骨混凝土组合柱包括格构式钢骨柱和钢筋砼柱本体,其特征是所述格构式钢骨柱包括肢柱和腹杆,所述肢柱为位于所述格构式钢骨柱四角的钢管,钢管内部灌注有高强混凝土,所述柱帽由型钢组件和外包钢筋砼组成。格构式钢骨柱肢柱钢管灌注高强砼,减少用钢量,提高刚度,可多层预制梁同时吊装,加快施工进度,节约吊装成本。(A kind of steel and concrete combined structure system and construction method, including the lattice steel reinforced concrete coupled column with bolumn cap, prestressing force composite beam, steel board composite floor, the lattice steel reinforced concrete coupled column with bolumn cap includes lattice reinforced concrete column and reinforced concrete pile ontology, it is characterized in that the lattice reinforced concrete column includes limb column and web member, the limb column is the steel pipe positioned at lattice reinforced concrete column quadrangle, steel duct is perfused with high-strength concrete, and the bolumn cap is made of fashioned iron component and outsourcing reinforced concrete.Lattice reinforced concrete column limb column steel pipe be perfused High Strength Concrete, reduce steel using amount, improve rigidity, can multilayer precast beam lift simultaneously, accelerate construction progress, saving hoisting cost.)

1. a kind of steel and concrete combined structure system, including the lattice steel reinforced concrete coupled column with bolumn cap, prestressing force composite beam, Steel board composite floor, the lattice steel reinforced concrete coupled column with bolumn cap includes lattice reinforced concrete column and reinforced concrete pile sheet Body, it is characterised in that: the lattice reinforced concrete column includes limb column and web member, and the limb column is positioned at the lattice reinforced concrete column four The steel pipe at angle, steel duct are perfused with high-strength concrete, and the bolumn cap is made of steel corbel and outsourcing reinforced concrete, the prestressing force Composite beam includes prestressing force precast beam and the Cast-in-place concrete that is cast on precast beam, and the exposed steel strand wires of prestressing force precast beam protrude into Beam column is coupled joint cores, and the steel board composite floor includes steel board and pours in the armored concrete on steel board, It is one that the steel board composite floor and the prestressing force composite beam and the lattice steel reinforced concrete coupled column with bolumn cap, which pour, Body.

2. a kind of steel as described in claim 1 and concrete combined structure system, it is characterized in that the limb column steel pipe is rectangular steel pipe Or round steel pipe.

3. a kind of steel as described in claim 1 and concrete combined structure system, it is characterized in that the floor support plate is steel bar girder building Board or silent floor support plate.

4. a kind of steel as described in claim 1 and concrete combined structure system, it is characterized in that the reinforced concrete pile ontology includes edge The reinforcing bar and concrete of lattice reinforced concrete column peripheral disposition, the reinforcing bar include vertical main reinforcement and horizontal hoop.

5. a kind of steel as described in claim 1 and concrete combined structure system, it is characterized in that the prefabricated beam end of the prestressing force away from From the limb column 150mm or more.

6. the construction method of a kind of steel and concrete combined structure system, by the following method with sequence construction: use claim 1 to 5 Steel described in any claim and concrete combined structure system,

A. rim of a cup or pre-embedded bolt are stayed in foundation construction,

B. lattice reinforced concrete column lifts,

C. high-strength concrete is perfused in limb column steel pipe,

D. bottom lattice steel reinforced concrete coupled column pricks muscle formwork and pours concrete to girder bottom,

E. two layers of prestressing force precast beam are lifted, the web member being coupled in bean column node,

F. the lattice reinforced concrete column that High Strength Concrete has been perfused in upper segmental appendage column is lifted when column is higher, before E or after E,

G. three layers of prestressing force precast beam are lifted,

H. it repeats E to G and completes all floor prestressing force precast beam rigging outs,

I. two floor faces are laid with steel board and prick muscle, and bean column node pricks muscle formwork,

J. two floor faces and bean column node pour concrete,

K. two layers of coupled column prick muscle formwork and pour concrete,

L. each floor of I to K completion or more is repeated.

Technical field

The present invention relates to applying for a kind of structural system of building and construction method more particularly to a kind of steel and concrete composite structure Work method.

Background technique

The construction of traditional large span tier building engineering generallys use layering lifting, and loop wheel machine use cost is high, construction speed Slowly, partial precast beam need to use large-tonnage loop wheel machine since weight is too big, but since flooring design bearing capacity is not available large-tonnage Loop wheel machine operation causes tier building project precast beam can not lifting construction.Existing patent (application number: 201210291475.1) public The whole casting structure and construction method of a kind of Large-span Precast opened, though precast beam multilayer can be carried out in the construction stage while being lifted, But lattice column steel using amount is big, and rigidity is small, and precast beam is difficult to install at the face of shelving, and influences construction speed.A kind of limb column perfusion High Strength Concrete, the steel of lattice column and bolumn cap large carrying capacity and concrete combined structure system and construction method have not been reported.

Summary of the invention

Technical problem to be solved by the present invention lies in the deficiencies for overcoming the above-mentioned prior art, and it is high to provide a kind of limb column perfusion Qiang Tong, the steel of lattice column and bolumn cap large carrying capacity and concrete combined structure system and construction method.

According to a kind of steel provided by the invention and concrete combined structure system, including the lattice steel reinforced concrete group with bolumn cap Zygostyle, prestressing force composite beam, steel board composite floor, the lattice steel reinforced concrete coupled column with bolumn cap includes lattice Reinforced concrete column and reinforced concrete pile ontology, the lattice reinforced concrete column include limb column and web member, and the limb column is positioned at the lattice The steel pipe of reinforced concrete column quadrangle, steel duct are perfused with high-strength concrete, and the bolumn cap is made of steel corbel and outsourcing reinforced concrete, institute State the Cast-in-place concrete that prestressing force composite beam includes prestressing force precast beam He is cast on precast beam, the exposed steel of prestressing force precast beam Twisted wire protrudes into beam column and is coupled joint cores, and the steel board composite floor includes steel board and pours mixed in the reinforcing bar on steel board Solidifying soil, lattice steel reinforced concrete coupled column of the steel board composite floor with the prestressing force composite beam and with bolumn cap pour It is integrated.

Also there is following attached technical characteristic according to a kind of steel provided by the invention and concrete combined structure system:

The limb column steel pipe is rectangular steel pipe or round steel pipe.

The floor support plate is steel bar truss floor support plate or silent floor support plate.

The reinforced concrete pile ontology includes the reinforcing bar and concrete along lattice reinforced concrete column peripheral disposition, and the reinforcing bar includes Vertical what horizontal hoop of main reinforcement.

Limb column 150mm or more described in the prestressing force precast beam threshold value.

The construction method of steel and concrete combined structure system clicks method and sequence construction:

A. rim of a cup or pre-embedded bolt are stayed in foundation construction,

B. lattice reinforced concrete column lifts,

C. high-strength concrete is perfused in limb column steel pipe,

D. bottom lattice steel reinforced concrete coupled column pricks muscle formwork and pours concrete to girder bottom,

E. two layers of prestressing force precast beam are lifted, the web member being coupled in bean column node,

F. the lattice reinforced concrete column that High Strength Concrete has been perfused in upper segmental appendage column is lifted when column is higher, before E or after E,

G. three layers of prestressing force precast beam are lifted,

H. it repeats E to G and completes all floor prestressing force precast beam rigging outs,

I. two floor faces are laid with steel board and prick muscle, and bean column node pricks muscle formwork,

J. two floor faces and bean column node pour concrete,

K. two layers of coupled column prick muscle formwork and pour concrete,

L. each floor of I to K completion or more is repeated.

Have compared with prior art such as according to a kind of steel provided by the invention and concrete combined structure system and construction method Lower advantage:

1. lattice reinforced concrete column individually bears load, steel pipe is good to concrete restraint performance, and single limb anti-pressure ability is strong, lattice column Rigidity is big, and lateral resistant ability is strong, temporary support that no setting is required, meets bearing requirements when construction stage precast beam is shelved.

2. realizing that multilayer precast beam lifts simultaneously, construction speed is fast, and hoisting cost is low.

3. the limb column in lattice steel reinforced concrete coupled column can be used as reinforcing bar use, and quadrangle anti-pressure ability is strong, combination Column steel using amount is small, and resistance to compression, bending resistance are strong, and ductility is good.

4. the cast-in-place part of composite beam pours simultaneously with steel board composite floor, good integrity.

5. composite beam leaves lattice column side 150mm or more, it can guarantee that bean column node is protruded into the bending of precast beam steel strand wires main reinforcement In core space.

6. be used as composite floor using permanent steel board and armored concrete, without formwork when floor slab construction, mention significantly High construction efficiency, while reducing cost.

Detailed description of the invention

Fig. 1 is that precast beam of the present invention lifts stage perspective view.

Fig. 2 is concrete floor slab placement stage perspective view of the present invention.

Fig. 3 is lattice reinforced concrete column facade view of the present invention.

Fig. 4 is the perspective view of lattice reinforced concrete column of the present invention.

Fig. 5 is bean column node reinforcing bar schematic diagram of the present invention.

Fig. 6 is that bean column node of the present invention pours rear schematic diagram.

Fig. 7 is steel bar girder floor plates perspective view of the present invention.

Fig. 8 is the silent floor support plate perspective view of the present invention.

Specific embodiment

To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give better embodiment of the invention.But the present invention can be realized by many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure Add thorough and comprehensive.

Referring to Fig. 1 to Fig. 8, in the embodiment of a kind of steel and concrete combined structure system that the present invention provides, including band column The lattice steel reinforced concrete coupled column 1 of cap 12, prestressing force composite beam 2, steel board composite floor 3, the lattice with bolumn cap 12 Structure formula steel reinforced concrete coupled column 1 includes lattice reinforced concrete column 11 and reinforced concrete pile ontology 13, and the lattice reinforced concrete column 11 wraps Limb column 111 and web member 112 are included, the limb column is in the steel pipe 111 of lattice reinforced concrete column quadrangle, the steel pipe 111 Portion is perfused with high-strength concrete 113, and the bolumn cap is made of steel corbel 121 and outsourcing reinforced concrete 122, the prestressing force composite beam 2 include prestressing force precast beam 21 and the Cast-in-place concrete 22 being cast on precast beam 21, the exposed steel strand wires of the prestressing force precast beam 21 211, which protrude into beam column, is coupled 4 core space of node, and the steel board composite floor 3 includes steel board 31 (32) and pours in steel board On armored concrete 33, lattice reinforcing bar of the steel board composite floor 3 with the prestressing force composite beam 2 and with bolumn cap be mixed Solidifying local soil type's zygostyle 1, which pours, to be integrated.For lattice steel reinforced concrete coupled column 1 when individually bearing load, steel pipe 111 is to high-strength mixed 113 restraint performances of solidifying soil are good, and single limb anti-pressure ability is strong, temporary support that no setting is required, meets when construction stage precast beam is shelved Bearing requirements, the steel strand wires 211 of prestressing force precast beam 21 protrude into beam column and are coupled 4 core space of node, improve the globality of node, full The design concept of foot " Qiang Jiedian, weak component ", steel board composite floor 3 and the prestressing force composite beam 2 and the lattice with bolumn cap Formula steel reinforced concrete coupled column 1, which pours, to be integrated, and the globality of structure is further increased.

Referring to Fig. 3 to Fig. 4, in the embodiment of a kind of steel and concrete combined structure system that the present invention provides, the limb column Steel pipe 111 is rectangular steel pipe or round steel pipe.Enclosed steel tube confinement high-strength concrete 113 improves limb column stiffness.

Referring to fig. 2, Fig. 6 to Fig. 8, it is described in the embodiment of a kind of steel and concrete combined structure system that the present invention provides Floor support plate is steel bar truss floor support plate 31 or silent floor support plate 32.Using 32 conduct of steel bar truss floor support plate 31 or silent floor support plate The supporting element of composite floor 3 removes branch die process from, greatly speeds up construction speed, saves construction cost, makes but also as reinforcing bar With Saving steel amount.

Referring to Fig. 3, Fig. 5, in the embodiment of a kind of steel and concrete combined structure system that the present invention provides, the reinforced concrete 13 include the reinforcing bar 131 (132) and concrete 133 along lattice reinforced concrete column peripheral disposition, and the reinforcing bar includes vertical main reinforcement 131 With horizontal hoop 132.Vertical main 131 muscle improve the compressive property of coupled column, and horizontal hoop 132 improves the shear resistance of coupled column Energy.

Referring to Fig. 3, Fig. 5, in the embodiment of a kind of steel and concrete combined structure system that the present invention provides, the prestressing force Limb column 150mm or more described in 21 threshold value of precast beam.The distance ensures that steel strand wires can smoothly be put into beam when precast beam 21 is installed Column is coupled in node 4, improves construction efficiency.

A kind of construction method of steel and concrete combined structure system by the following method with sequence construction:

A. rim of a cup or pre-embedded bolt are stayed in foundation construction,

B. lattice reinforced concrete column lifts,

C. high-strength concrete is perfused in limb column steel pipe,

D. bottom lattice steel reinforced concrete coupled column pricks muscle formwork and pours concrete to girder bottom,

E. two layers of prestressing force precast beam are lifted, the web member being coupled in bean column node,

F. the lattice reinforced concrete column that High Strength Concrete has been perfused in upper segmental appendage column is lifted when column is higher, before E or after E,

G. three layers of prestressing force precast beam are lifted,

H. it repeats E to G and completes all floor prestressing force precast beam rigging outs,

I. two floor faces are laid with steel board and prick muscle, and bean column node pricks muscle formwork,

J. two floor faces and bean column node pour concrete,

K. two layers of coupled column prick muscle formwork and pour concrete,

L. each floor of I to K completion or more is repeated.

The steel and concrete combined structure system construction method, when the high-strength concrete curing time being perfused in limb column steel pipe fills When sufficient, step C and D can construct simultaneously.

The steel and concrete combined structure system construction method, when lattice type steel column bearing capacity is enough, step K and L can be same When construct, make progress faster.

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