CN106351361B

CN106351361B - A kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS

Info

Publication number: CN106351361B
Application number: CN201610863211.7A
Authority: CN
Inventors: 王立宁
Original assignee: Hebei Li Jian Lai Building Integrated Housing Co Ltd
Current assignee: Hebei Li Jian Lai Building Integrated Housing Co Ltd
Priority date: 2016-09-29
Filing date: 2016-09-29
Publication date: 2019-07-02
Anticipated expiration: 2036-09-29
Also published as: CN106351361A

Abstract

The invention discloses a kind of production methods of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS, are related to wall thermal insulation technology field, method includes the following steps: steel bar stress is bound；Built-in pipe is embedded；The installation of XPS insulation board；Plastic card installation；Plastic card is connected and fixed with steel bar stress；Outside concrete reinforcement weldering net installation binding and fixing；Cushion block of concrete bar protective layer installation；Formwork erection；Steel bar template correction；Two sides concreting；Demoulding maintenance.This method can the efficient production for completing sandwich thermal insulated cast-in-place concrete shear wall system.

Description

A kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS

Technical field

The present invention relates to wall energy-saving heat preservings and structure-integrated technical field.

Background technique

In order to improve the energy saving and heat preservation effect of building, extends the service life of building element, the construction of building is provided Efficiency generally uses the mode of exterior-wall heat insulation now, i.e., XPS insulation board is pasted on the outer wall of building masonry wall, such There are biggish defects for heat preserving mode, are that XPS insulation board is easy to fall off first, are pasted not strongly solid, in addition heat insulation effect is poor, institute With in view of the above-mentioned problems, now provide a kind of new-type heat preserving method, i.e., a kind of composite thermal-insulating wall structure, including main body wall, XPS keeps the temperature the protective layer wall of plate body and outside, and three forms the wall that can play good heat preservation effect, so to make this Kind wall, provides a kind of production method of sandwich thermal insulated cast-in-place concrete shear wall system of XPS, now conveniently to be poured Build production.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of production of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS Method, this method can the efficient production for completing sandwich thermal insulated cast-in-place concrete shear wall system, using new-type plastic clip Part is for installing positioning, and the length of XPS insulation board is equal to the height of building, without splicing in the height direction, and Splicing is carried out by plastic card in the horizontal direction to be connected and fixed, and in this way has entire XPS insulating plate structure preferable whole Body.

To solve the above problems, being cut the technical solution adopted by the present invention is that providing a kind of sandwich thermal insulated cast-in-place concrete of XPS The production method of power wall system, method includes the following steps: 1) steel bar stress is bound；2) built-in pipe is embedded；3) XPS insulation board Installation；4) plastic card is installed；5) plastic card is connected and fixed with steel bar stress；6) outside concrete reinforcement weldering net installation binding It is fixed；7) cushion block of concrete bar protective layer is installed；8) formwork erection；9) steel bar template corrects；10) two sides concreting；11) demoulding Maintenance.

Preferably, setting-out work is first carried out in the step 1), transverse bar and vertical muscle is then carried out according to unwrapping wire position respectively Arrangement and binding, it is ensured that the specification of transverse bar and vertical muscle, radical, position, spacing are accurate, and transverse bar and vertical muscle will reach horizontal flat Vertically, when wall end has the horizontal reinforcement of aileron interior wall two sides and the horizontal distribution reinforcing bar of inner side of outer wall that should extend to aileron, And respectively to being truncated after the horizontal buckling of two sides, when encountering at corner wall, the horizontal distribution reinforcing bar in outside should be at wall end exterior angle Place bend into aileron, and with horizontal distribution bar splicing on the outside of aileron.

Preferably, the maximum outside diameter of inbuilt tube body is not more than the 1/3 of concrete walls body thickness in the step 2.

Preferably, XPS insulation board is mutually spliced in the outside of wall steel bar stress in the step 3), each The width of XPS insulation board is 600mm, and length is equal to building storey height, is mutually assembled into the sandwich thermal insulated of in-situ concrete wall Layer, the insulating layer apparent density are not less than 25kg/m3, and the correction factor α of the thermal coefficient of the insulating layer takes 1.05.

Preferably, the plastic card in the step 4) includes: 1, support mobile jib；2, lateral branch fastener；Lateral branch fastener End face band slot cruciferous, this slot is for being inserted at the right-angled intersection of steel bar welding net, simultaneously for fixed steel bars weldering net And realize and be accurately located, slot is located at the medium position of outside concrete, and end face is then used to support the mould of outside concrete Plate is completed at the same time the positioning of outboard template；3, medial support head；Medial support end surface is supporting plane, to support inside The template of concrete completes the positioning of inner side template；4, disk；Groove is opened up respectively on two adjacent XPS insulation boards, circle Piece is inserted into groove so that two XPS insulation board connections, disk include four, and two intermediate disks are inserted into groove Interior, two disks of two sides then clamp two XPS insulation boards interconnected respectively, and are fixed by bolt, protect two XPS Warm board clamping connection.

Preferably, in the step 5), the inside portion of plastic card is bound with steel bar stress, consolidates plastic card It is fixed, so that plastic card is kept horizontality, that is, protect the lateral branch fastener of plastic card and the end face of medial support head Vertical state is held, convenient for carrying out ejection in the horizontal direction, can realize and be accurately located.

Preferably, in the step 6), steel bar welding net is the metal welded mesh that there is certain thickness cold galvanizing coating in outer surface Piece, grid is 50mm × 50mm, mesh wire diameter is 2.5 ~ 3mm, need to examine steel bar welding net zinc coating quality and solder joint stretching resistance, steel Muscle is welded to be overlapped at net docking with same specification welded net and be bound, it is ensured that out plane of the protective facing under rarely occurred earthquake effect is steady It is fixed, after fixing steel bar welding net, the criss-cross slot on the outside-supporting end surface of plastic card is snapped onto the two of intersection At a reinforcing bar, for being accurately located to steel bar welding net, while outside-supporting face is used to support the outboard template of protective layer, Complete the positioning of protective layer.

Preferably, in the step 10), the concrete of two sides includes the stress layer of main body wall and pouring for heat preservation protective layer Build, heat preservation protective layer pour with a thickness of 50mm, strength grade of concrete is not lower than C20, and two sides concreting is appropriate to the occasion It is poured simultaneously using self-compacting concrete, two sides height difference is no more than 30cm, single layer wall height inner concrete in casting process It answers primary concreting to complete, should not pour by different level.

Preferably, in the step 11), reach some strength, template inside and outside dismounting, for the ease of tearing open to concrete Mould, guarantee in-situ concrete wall surface integrality, in the step 8) will on the inside of template brushing release agent.

Effect possessed by the invention is that this method efficient can complete sandwich thermal insulated cast-in-place concrete shear wall system Production, using new-type plastic card for install positioning, and the length of XPS insulation board be equal to building height, nothing It need to splice in the height direction, and carry out splicing by plastic card in the horizontal direction and be connected and fixed, make entire XPS in this way Insulating plate structure has preferable globality.

Specific embodiment

The present invention will be further described in detail with reference to the specific embodiments: a kind of XPS is sandwich thermal insulated cast-in-place mixed The production method of solidifying soil shearing wall system, method includes the following steps:

1) steel bar stress is bound；Setting-out work is first carried out, then carries out the cloth of transverse bar and vertical muscle respectively according to unwrapping wire position It sets and binds, it is ensured that the specification of transverse bar and vertical muscle, radical, position, spacing are accurate, and transverse bar and vertical muscle will reach horizontal flat perpendicular Directly, when wall end has the horizontal reinforcement of aileron interior wall two sides and the horizontal distribution reinforcing bar of inner side of outer wall that should extend to aileron, and Respectively to being truncated after the horizontal buckling of two sides, when encountering at corner wall, the horizontal distribution reinforcing bar in outside should be at the exterior angle of wall end Bend into aileron, and with horizontal distribution bar splicing on the outside of aileron.

2) built-in pipe is embedded；The maximum outside diameter of inbuilt tube body is not more than the 1/3 of concrete walls body thickness.

3) XPS insulation board is installed；XPS insulation board is mutually spliced in the outside of wall steel bar stress, each XPS is protected The width of warm plate is 600mm, and length is equal to building storey height, is mutually assembled into the sandwich insulating layer of in-situ concrete wall, institute It states insulating layer apparent density and takes 1.05 not less than 25kg/m3, the correction factor α of the thermal coefficient of the insulating layer.

4) plastic card is installed；Plastic card includes: 1, support mobile jib；2, lateral branch fastener；Outside-supporting end surface band Slot cruciferous, this slot weld net for fixed steel bars and realize for being inserted at the right-angled intersection of steel bar welding net It is accurately located, slot is located at the medium position of outside concrete, and end face is then used to support the template of outside concrete, simultaneously Complete the positioning of outboard template；3, medial support head；Medial support end surface is supporting plane, to support inside concrete Template completes the positioning of inner side template；4, disk；Groove is opened up respectively on two adjacent XPS insulation boards, and disk is inserted into So that two XPS insulation board connections, disk include four in groove, two intermediate disks are inserted into groove, two sides Two disks then clamp two XPS insulation boards interconnected respectively, and fixed by bolt, make two XPS insulation boards folders It is tightly connected.

5) plastic card is connected and fixed with steel bar stress；The inside portion of plastic card is bound with steel bar stress, is made Plastic card is fixed, and so that plastic card is kept horizontality, that is, make the lateral branch fastener and medial support head of plastic card End face keep vertical state, convenient for carrying out ejection in the horizontal direction, can realize and be accurately located.

6) outside concrete reinforcement weldering net installation binding and fixing；Steel bar welding net is that outer surface has certain thickness cold galvanizing coating Metal welded net, grid is 50mm × 50mm, mesh wire diameter is 2.5 ~ 3mm, need to examine steel bar welding net zinc coating quality and Solder joint stretching resistance is overlapped at steel bar welding net docking with same specification welded net and is bound, it is ensured that protective facing is acted in rarely occurred earthquake Under out plane stability, after fixing steel bar welding net, by the criss-cross slot card on the outside-supporting end surface of plastic card Enter at two reinforcing bars of intersection, for being accurately located to steel bar welding net, while outside-supporting face is used to support protection The outboard template of layer, completes the positioning of protective layer.

7) cushion block of concrete bar protective layer is installed；

8) formwork erection；

9) steel bar template corrects；

10) two sides concreting；The concrete of two sides includes the stress layer of main body wall and pouring for heat preservation protective layer, Heat preservation protective layer pour with a thickness of 50mm, strength grade of concrete is not lower than C20, the appropriate to the occasion use of two sides concreting Self-compacting concrete pours simultaneously, and two sides height difference answers one no more than 30cm, single layer wall height inner concrete in casting process Secondary property pours completion, should not pour by different level.

11) demoulding conserves；Reach some strength to concrete, template inside and outside dismounting guarantees existing for the ease of demoulding The integrality of pouring concrete surface of wall, in the step 8) will on the inside of template brushing release agent.

In the outside of shear wall premise steel bar stress, by XPS thermal insulation strip plate, (length is that building storey is high, and width 600mm is thick Spend and value calculated according to building energy-saving) mutually fissure of displacement inlaying grafting assembly (fissure of displacement splicing position passes through plastic card and reinforces connecting) presentation The sandwich insulating layer of pouring concrete combined wall, to reinforce the plastics of insulation board connection by picking up while undertaking guarantee wall section The effect of thickness and steel reinforced concrete protective layer cushion block, 50mm thickness concrete construction protective layer configures galvanizing steel on the outside of composite wall Welded net, and 50mm thickness concrete is fixed on by plastic card and hits exactly position, then is mixed by plastic card and inside stress Solidifying soil reinforcing bar connection fastening, two sides formwork, formwork way is the same with common shear wall formwork form, later respectively to insulation board two Side Pouring concrete at the same time, certain intensity to be achieved, template inside and outside dismounting, formed heat preservation with it is structure-integrated compound Wall obtains composite thermal-insulating wall, referred to as sandwich thermal insulated cast-in-place system by above method.

The performance of sandwich thermal insulated cast-in-place concrete shear wall system meets following require: 1, adapting to base course wall and normally become Shape and outer surface does not generate crack or hollowing；2, system self weight can be born for a long time and do not generated cracking with base course wall or fallen off；3 The prolonged and repeated effect of outdoor climate in life cycle management is resistant to without destroying；4 system is not under defined seismic fortification intensity It should fall off from base course wall；5 have construction fire prevention measure and bear Fire Radiation and block fire spreading ability；6 have completely The waterproof and anti-permeability of sufficient requirement；7 composition materials should have physical and chemical stability；All adjacent combined materials that This is compatible and has corrosion protection；With anti-biological infringement ability (plague of rats, insect pest).

Claims

1. a kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS, it is characterized in that: this method includes following step Rapid: 1) steel bar stress is bound；2) built-in pipe is embedded；3) XPS insulation board is installed；4) plastic card is installed；5) plastic card with by Power reinforcing bar is connected and fixed；6) outside concrete reinforcement weldering net installation binding and fixing；7) cushion block of concrete bar protective layer is installed；8) template branch If；9) steel bar template corrects；10) two sides concreting；11) demoulding conserves；The plastic card includes: support mobile jib, outer Collateral fastener, medial support head, disk；The outside-supporting end surface band slot cruciferous, this slot is for being inserted into At the right-angled intersection of steel bar welding net, net is welded for fixed steel bars and realization is accurately located, slot is located at outside concrete Medium position, and outside-supporting end surface is then used to support the template of outside concrete, is completed at the same time the positioning of outboard template；Institute Medial support end surface is stated as supporting plane, to support the template of inside concrete, completes the positioning of inner side template；Adjacent Two XPS insulation boards on open up groove respectively, the disk is inserted into groove so that two XPS insulation boards connections, Disk includes four, and two intermediate disks are inserted into groove, and two disks of two sides then clamp two interconnections respectively XPS insulation board, and fixed by bolt, make two XPS heat preservation board clampings connections.

2. a kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS according to claim 1, feature It is: first carries out setting-out work in the step 1), then carries out the arrangement and binding of transverse bar and vertical muscle respectively according to unwrapping wire position, Ensure that specification, radical, position, the spacing of transverse bar and vertical muscle are accurate, transverse bar and vertical muscle will reach smooth vertical and horizontal, when wall end Portion has the horizontal reinforcement of aileron interior wall two sides and the horizontal distribution reinforcing bar of inner side of outer wall that should extend to aileron, and respectively to two sides water It is truncated after flat bending, when encountering at corner wall, the horizontal distribution reinforcing bar in outside should bend into aileron at the exterior angle of wall end, and with Horizontal distribution bar splicing on the outside of aileron.

3. a kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS according to claim 1, feature Be: the maximum outside diameter of inbuilt tube body is not more than the 1/3 of concrete walls body thickness in the step 2).

4. the production method of the sandwich thermal insulated cast-in-place concrete system of a kind of XPS according to claim 1, it is characterized in that: institute It states in step 3) and mutually splices XPS insulation board in the outside of wall steel bar stress, the width of each XPS insulation board is 600mm, and length is equal to building storey height, is mutually assembled into the sandwich insulating layer of in-situ concrete wall, the insulating layer is apparent Density is not less than 25kg/m³。

5. a kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS according to claim 1, feature It is: in the step 5), the inside portion of plastic card is bound with steel bar stress, plastic card is fixed, makes plastic clip Part keeps horizontality, that is, the lateral branch fastener of plastic card and the end face of medial support head is made to keep vertical state, Convenient for carrying out ejection in the horizontal direction, it can realize and be accurately located.

6. a kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS according to claim 5, feature Be: in the step 6), steel bar welding net is the metal welded net that there is certain thickness cold galvanizing coating in outer surface, grid 50mm × 50mm, mesh wire diameter are 2.5~3mm, need to examine steel bar welding net zinc coating quality and solder joint stretching resistance, at steel bar welding net docking It is overlapped and is bound with same specification welded net, it is ensured that out plane stability of the protective facing under rarely occurred earthquake effect fixes reinforcing bar After weldering net, the criss-cross slot on the outside-supporting end surface of plastic card is snapped at two reinforcing bars of intersection, is used for Steel bar welding net is accurately located, while outside-supporting face is used to support the outboard template of protective layer, completes protective layer Positioning.

7. a kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS according to claim 6, feature Be: in the step 10), the concrete of two sides includes the stress layer of main body wall and pouring for heat preservation protective layer, heat preservation protection Layer pour with a thickness of 50mm, strength grade of concrete is not lower than C20, and two sides concreting is appropriate to the occasion mixed using self-compaction Solidifying soil pours simultaneously, and two sides height difference answers primary concreting no more than 30cm, single layer wall height inner concrete in casting process It completes, should not pour by different level.

8. a kind of production method of the sandwich thermal insulated cast-in-place concrete shear wall system of XPS according to claim 7, feature It is: in the step 11), reaches some strength to concrete, template inside and outside dismounting guarantees cast-in-place for the ease of demoulding The integrality on concrete wall surface, in the step 8) will on the inside of template brushing release agent.