CN104074358B - The construction method of prefabricated building - Google Patents

The construction method of prefabricated building Download PDF

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Publication number
CN104074358B
CN104074358B CN201410311425.4A CN201410311425A CN104074358B CN 104074358 B CN104074358 B CN 104074358B CN 201410311425 A CN201410311425 A CN 201410311425A CN 104074358 B CN104074358 B CN 104074358B
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China
Prior art keywords
construction
building
layer
exterior
protective frame
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CN201410311425.4A
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Chinese (zh)
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CN104074358A (en
Inventor
朱常睿
何开伟
刘泽
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中铁二局工程有限公司
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Publication of CN104074358A publication Critical patent/CN104074358A/en
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Abstract

The invention discloses the construction method of a kind of prefabricated building, including design, make prefabricated components, prefabricated components are checked and accepted and are marched into the arena, measurement, unwrapping wire, the steps such as prefabricated components installation, during its prefabricated components are installed, by the method arranging two-layer exterior wall protective frame, using double-layer rack body exchange to use, building is carried out construction.By the company's of setting wall preformed hole on prefabricated Side fascia in the construction method of the present invention, install and complete the installation of Side fascia by the way of exterior wall protective frame, correct, fix, pour into a mould the working procedures such as concrete slurry, avoid and substantial amounts of built-in fitting and hole of encorbelmenting are set on exterior wall, improve construction quality, reduce the spoilage of exterior wall engineering.

Description

The construction method of prefabricated building

Technical field

The present invention relates to technical field of buildings, be specifically related to the construction method of a kind of prefabricated building.

Background technology

Prefabrication is a kind of important construction style in building industrialization process, and it has, and speed of application is fast, the engineering construction cycle is short, production efficiency is high, good product quality, safety and environmental protection, effectively reduce cost, reduce supplies consumption, reduce the plurality of advantages such as working procedure.Prefabrication i.e. refers to the building being assembled at the construction field (site) with prefabricated component, in the installation process of prefabricated components, the lifting of component can be fallen after needing workmen's righting alignment (preformed hole of component is directed at reserving rib), then carries out adjustment and fixes, connection of being finally in the milk.In the installation process of the Side fascia in prefabricated components, workmen needs by outside the building enclosing the scaffold built to complete the working procedures such as above-mentioned righting alignment, adjustment be fixing.

Present stage, conventional scaffold has console model scaffold and overhanging scaffold, but no matter is console model or overhanging type, all needs to fix with building structure.Such as, need the axial dimension according to building when overhanging scaffold is built, every 3, a wall-connecting piece is set across (about 6 meters) in the horizontal direction, in vertical direction, one wall-connecting piece is set every 3-4 rice, and require that each wall-connecting piece set-point is staggered mutually, form plum blossom-shaped and arrange.Wherein, scaffold can be fixed with building structure by the way of reinforcing bar, rope, bifilar or multiply iron wire drawknot, it is possible to use that the push-and-pull rods such as steel pipe, fastener or built-in fitting or component realize with building structure is fixing.After the construction of building main body completes, these wall-connecting pieces or prefabricated hole will carry out cleaning is a complex process.Along with developing rapidly of Building Trade in China, skyscraper and high-rise building are more and more, for these high levels or high-rise building, remove these wall-connecting pieces above-mentioned or prefabricated hole one by one, will be a engineering the hugest.And, during clearing up these wall-connecting pieces or prefabricated hole, it is most likely that damage the metope constructed.

Summary of the invention

In view of the problems referred to above of prior art, according to an aspect of the present invention, disclose the construction method of a kind of prefabricated building, comprise the following steps:

Design, making prefabricated components, the company's of setting wall preformed hole on the Side fascia in prefabricated components;

Prefabricated components are checked and accepted and are marched into the arena, and to prefabricated components numbering, draw Construction control line;

Measurement, unwrapping wire;

Prefabricated components are installed, and install the wallboard of ground floor building, then correct, fix, pour into a mould concrete slurry on the terrace layer made,

After the concrete slurry of wallboard cast reaches intensity, on the Side fascia of ground floor building, the company's wall preformed hole by presetting installs one layer of exterior wall protective frame,

The wallboard of ground floor building is installed the floor of next floor, then corrects, fixes, pours into a mould concrete slurry,

After the concrete slurry of floor cast reaches intensity, by aforementioned installation, correct, fix, pour into a mould the operation of concrete slurry the wallboard of second layer building is installed on floor, then exterior wall protective frame is installed on the Side fascia of second layer building, the floor of next floor is installed on the wallboard of second layer building again;

The step repeating the installation of above-mentioned prefabricated components is the most upwards constructed, until building top layer.

As preferably, during prefabricated components are installed, exterior wall protective frame only arranges two-layer, and the method that two-layer exterior wall protective frame uses double-layer rack body exchange to use carries out construction to building.

As preferably, in the method that double-layer rack body exchange uses, double-layer rack body exterior wall protective frame at the middle and upper levels carries out construction to building as construction layer, workmen in this layer of exterior wall protective frame,

After the construction of construction layer completes, the exterior wall protective frame of lower floor in dismounting double-layer rack body, it is lifted up installing, becomes new construction layer, then workmen continues building is carried out construction on new construction layer.

As preferably, reserved out by template when even wall preformed hole is precast wall panel.

As preferably, connect a diameter of 30mm of wall preformed hole.

According to another aspect of the present invention, disclose a kind of exterior wall protective frame, including support member, platform component, blocking parts and company's wall part. Wherein, support member is multiple right angled triangle supports being welded successively by horizontal beam, vertical beam, cant beam and constituting, and the vertical beam in support is fixed with Side fascia by even wall part;Platform component includes horizontal skeleton and scaffold board, and horizontal skeleton is arranged on above support, is connected by bolt and nut are fixing with the horizontal beam of support, and scaffold board is laid on horizontal skeleton, and the periphery of horizontal skeleton is provided with the block preventing the outside landing of scaffold board;Blocking parts includes guardrail and the protection network that many vertical rods are overlapped to form with many horizon bars, and guardrail is arranged on above support, is positioned at the side of horizontal skeleton, linked together by fastener between vertical rod and horizon bar, and protection network is laid on guardrail;Even wall part includes even wall screw and company's wall nut that even wall screw matches and even wall pad, even wall screw through support member vertical beam and Side fascia, fixed with connecting wall nut by even wall pad inside Side fascia.

As preferably, even wall pad is the steel plate that 10cm × 10cm, 3mm are thick, and even wall screw is 4.8 grades of M28 high-strength bolts.It addition, support is made up of the welding of 5# channel-section steel.Use such structure, upper people's live load of protective frame can be made to reach 200KG.

As preferably, vertical rod is by the way of welding or be telescopic joint on fixing horizontal beam in the bracket, and horizon bar is at least provided with three roads, and protection network is dense mesh type fire retardant safety net.Use such structure, the maximum wind load of protective frame can be made to reach 120KG.

The purpose of the present invention aim to provide a kind of make architecture construction more quickly, the prefabricated building construction method of exterior wall better quality.Compared with prior art, one of beneficial effects of the present invention is: in the construction method of the present invention by the company's of setting wall preformed hole on prefabricated Side fascia, install and complete the installation of Side fascia by the way of exterior wall protective frame, correct, fix, pour into a mould the working procedures such as concrete slurry, avoid and substantial amounts of built-in fitting and hole of encorbelmenting are set on exterior wall, improve construction quality, reduce the spoilage of exterior wall engineering;The method that the construction method of the present invention uses double-layer rack body exchange to use carries out external wall construction to building, relative to traditional scaffold, is greatly saved expense;The present invention carries out the erection & lift of protective frame after body of wall post-cast strip has poured, and owing to body of wall has been linked to be entirety, protective frame only exists deadweight in such cases, and body of wall does not exist impact;The exterior wall protective frame of the present invention is made up of support member, platform component, blocking parts, even wall part four part, and the self structure of each several part is simple, it is simple to maintenance, is threaded connection between each several part, and recycling rate of waterused is high;The exterior wall protective frame of the present invention is only arranged on Side fascia by even wall screw, even wall nut, even wall pad, convenient disassembly.

Accompanying drawing explanation

Fig. 1 schematically illustrates the structure of exterior wall protective frame according to an embodiment of the invention;

Fig. 2 schematically illustrates exterior wall protective frame and the structure of wall connecting according to an embodiment of the invention.

In figure, 101-horizontal beam, 102-vertical beam, 103-cant beam, 201-horizontal skeleton, 202-cross bar, 203-scaffold board, 3-blocking parts, 301-vertical rod, 302-horizon bar, 401-connects wall screw, 402-connects wall nut, 403-connects wall pad, 5-Side fascia.

Detailed description of the invention

The present invention is further described with embodiment below in conjunction with the accompanying drawings, but embodiments of the present invention are not limited to this.In order to understand the present invention comprehensively, refer to numerous detail in the following detailed description.It will be appreciated by those skilled in the art that the present invention can realize without these details.In other example, it is not described in detail known method, process and assembly, in order to avoid unnecessarily making embodiment obscure.

The construction method of a kind of prefabricated building, comprises the following steps:

Design, making prefabricated components (prefabricated component includes wallboard, floor, stair, air-conditioning plate etc.), the company's of setting wall preformed hole on the Side fascia in prefabricated components;

Prefabricated components are checked and accepted and are marched into the arena, and to prefabricated components numbering, draw Construction control line;

Measurement, unwrapping wire;

Prefabricated components are installed, and install the wallboard of ground floor building, then correct, fix, pour into a mould concrete slurry on the terrace layer made,

After the concrete slurry of wallboard cast reaches intensity, on the Side fascia of ground floor building, the company's wall preformed hole by presetting installs one layer of exterior wall protective frame,

The wallboard of ground floor building is installed the floor of next floor, then corrects, fixes, pours into a mould concrete slurry,

After the concrete slurry of floor cast reaches intensity, by aforementioned installation, correct, fix, pour into a mould the operation of concrete slurry the wallboard of second layer building is installed on floor, then exterior wall protective frame is installed on the Side fascia of second layer building, the floor of next floor is installed on the wallboard of second layer building again;

The step repeating the installation of above-mentioned prefabricated components is the most upwards constructed, until building top layer.

Further, during prefabricated components are installed, exterior wall protective frame only arranges two-layer, and the method that this two-layer exterior wall protective frame uses double-layer rack body exchange to use carries out construction to building.Further, in the method that double-layer rack body exchange uses, double-layer rack body exterior wall protective frame at the middle and upper levels carries out construction to building as construction layer, workmen in this layer of exterior wall protective frame;After the construction of construction layer completes, the exterior wall protective frame of lower floor in dismounting double-layer rack body, it is lifted up installing, becomes new construction layer, then workmen continues building is carried out construction on new construction layer.

Further, reserved out by template when even wall preformed hole is precast wall panel.

For the exterior wall protective frame in above-mentioned construction method, Fig. 1 schematically illustrates the structure of the exterior wall protective frame according to certain embodiments of the invention, and Fig. 2 schematically illustrates the structure of the exterior wall protective frame according to certain embodiments of the invention and wall connecting.Exterior wall protective frame as depicted in figs. 1 and 2, including support member, platform component, blocking parts 3 and company's wall part.Wherein, support member is to be welded the support of the right angled triangle constituted successively by horizontal beam 101, vertical beam 102, cant beam 103, platform component includes horizontal skeleton 201 and the scaffold board 203 being laid on horizontal skeleton 201, blocking parts includes that the guardrail being overlapped to form with three horizon bars 302 by four vertical rods 301 and the protection network (being not drawn in figure) being laid on guardrail, company's wall part include even wall screw 401 and company's wall nut 402 that even wall screw 401 matches and company's wall pad 403.

Further, even wall screw 401 through the vertical beam 102(of support by arranging bolt mounting holes on vertical beam 102) and Side fascia 5(by the company's wall preformed hole preset on Side fascia), then exterior wall protective frame is connected and fixed with Side fascia with connecting wall nut 402 by company of setting wall pad 403 inside Side fascia 5.In some embodiment, even wall pad 403 is the steel plate that 10cm × 10cm, 3mm are thick, and even wall screw 401 is 4.8 grades of M28 high-strength bolts, a diameter of 30mm of the company wall preformed hole corresponding with even wall screw.

Further, guardrail is arranged on above support, is positioned at the side of horizontal skeleton 201, and the vertical rod 301 in guardrail is linked together by fastener (being not drawn in figure) with horizon bar 302, and protection network is laid on guardrail.In some embodiment, vertical rod 301 is welded and fixed one end of horizontal beam 101 in the bracket.In some embodiment, vertical rod 301 is one end of fixing horizontal beam 101 in the bracket by the way of telescopic joint.In some embodiment, protection network is dense mesh type fire retardant safety net.Use the blocking parts height 1.2m of said structure.

Further, horizontal skeleton 201 is arranged on above support, is connected by screw bolt and nut is fixing with the horizontal beam 101 of support, and the periphery of horizontal skeleton 201 is provided with the block preventing the outside landing of scaffold board 203.In some embodiment, in horizontal skeleton 201, it is provided with some cross bars 202 preventing scaffold board 203 from dropping.In some embodiments, horizontal skeleton 201 is welded by L50 × 3 angle steel and Duo Gen Φ 18 round steel and makes.Concrete, first being surrounded the framework being welded into wide 70mm by L50 × 3 angle steel, then Φ 18 round steel of many root lengths 70mm is welded in parallel in framework as the cross bar 202 preventing scaffold board 203 from dropping, cross bar 202 arranges one every 50cm.

Further, support is made up of the welding of 5# channel-section steel.

In use, its length can be because of the difference of the Side fascia used of being arranged in pairs or groups otherwise varied (depending on the length of Side fascia) for exterior wall protective frame.In some embodiment, the quantity as the support of support member is two, the quantity of some embodiment medium-height trestle can be three or more, but the most each support only can connect wall part by one group to be attached with Side fascia, it is meant that the company's wall preformed hole quantity on Side fascia is few.When protective frame is installed so that it is platform component is positioned at away from the 10cm of exterior wall top, so it is easy to the subsequent construction operation of workmen.

When promoting exterior wall protective frame, it is necessary to first hang up properly suspension hook, be then lifted out support body.During dismounting exterior wall protective frame, it is first to hang up properly suspension hook equally, is then lifted out support body, even wall nut of finally back-outing.After removal, operator can clear up, block by the company's wall preformed hole when it is installed by the inside of building exterior wall protective frame.

The construction method of the present invention utilizes on the prefabricated Side fascia company's of setting wall preformed hole, exterior wall protective frame is installed to complete the installation of Side fascia, to correct, fix, pour into a mould the working procedures such as concrete slurry, abandon traditional outside the building wall and set up scaffold to complete the construction techniques of external wall construction, avoid and substantial amounts of built-in fitting and hole of encorbelmenting are set on exterior wall, improve the construction quality of building, reduce the spoilage of exterior wall engineering.The method that the construction method of the present invention uses double-layer rack body exchange to use carries out external wall construction to building, relative to traditional scaffold, is greatly saved expense.The exterior wall protective frame of the present invention is made up of support member, platform component, blocking parts, even wall part four part, and the self structure of each several part is simple, it is simple to maintenance, is threaded connection between each several part, and recycling rate of waterused is high.The exterior wall protective frame of the present invention is arranged on Side fascia, convenient disassembly by even wall part (i.e. connecting the combination of wall screw, even wall nut, even wall pad).

" some embodiment ", " some embodiments ", " embodiment " spoken of in this manual etc., refer to combine specific features, structure or the feature that this embodiment describes, are included at least one embodiment that the application generality describes.The most multiple local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, it is understood that combine any embodiment when describing a specific features, structure or feature, to be advocated is to combine other embodiments to realize also falling within the scope of the present invention of this feature, structure or feature.

Although reference be made herein to invention has been described for the multiple explanatory embodiment of the present invention, but, being construed as those skilled in the art and can be designed that a lot of other amendments and embodiment, these amendments and embodiment will fall within spirit disclosed in the present application and spirit.In particular, in the range of specification, drawings and the claims disclosed in the present application, the building block of theme composite configuration and/or layout can be carried out multiple modification and improvement.In addition to the modification carrying out building block and/or layout and improvement, to those skilled in the art, other purposes also will be apparent from.

Claims (5)

1. the construction method of a prefabricated building, it is characterised in that described construction method comprises the following steps:
Design, making prefabricated components, the company's of setting wall preformed hole on the Side fascia in prefabricated components;
Prefabricated components are checked and accepted and are marched into the arena, and to prefabricated components numbering, draw Construction control line;
Measurement, unwrapping wire;
Prefabricated components are installed, and install the wallboard of ground floor building, then correct, fix, pour into a mould concrete slurry on the terrace layer made,
After the concrete slurry of wallboard cast reaches intensity, on the Side fascia of ground floor building, the company's wall preformed hole by presetting installs one layer of exterior wall protective frame,
The wallboard of ground floor building is installed the floor of next floor, then corrects, fixes, pours into a mould concrete slurry,
After the concrete slurry of floor cast reaches intensity, by aforementioned installation, correct, fix, pour into a mould the operation of concrete slurry the wallboard of second layer building is installed on floor, then exterior wall protective frame is installed on the Side fascia of second layer building, the floor of next floor is installed on the wallboard of second layer building again;
The step repeating the installation of above-mentioned prefabricated components is the most upwards constructed, until building top layer.
The construction method of prefabricated building the most according to claim 1, it is characterized in that: during prefabricated components are installed, exterior wall protective frame only arranges two-layer, and the method that two-layer exterior wall protective frame uses double-layer rack body exchange to use carries out construction to building.
The construction method of prefabricated building the most according to claim 2, it is characterised in that: in the method that the exchange of described double-layer rack body uses,
Double-layer rack body exterior wall protective frame at the middle and upper levels carries out construction to building as construction layer, workmen in this layer of exterior wall protective frame,
After the construction of construction layer completes, the exterior wall protective frame of lower floor in dismounting double-layer rack body, it is lifted up installing, becomes new construction layer, then workmen continues building is carried out construction on new construction layer.
The construction method of prefabricated building the most according to claim 1, it is characterised in that: reserved out by template when even wall preformed hole is precast wall panel.
The construction method of prefabricated building the most according to claim 4, it is characterised in that: even a diameter of 30mm of wall preformed hole.
CN201410311425.4A 2014-07-02 2014-07-02 The construction method of prefabricated building CN104074358B (en)

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CN104533097B (en) * 2014-12-11 2016-08-24 中国建筑第八工程局有限公司 The recursion staged construction method of assembled tier building
CN104746862A (en) * 2015-04-13 2015-07-01 中冶天工集团有限公司 Temporary installation operating platform on overhead equipment foundation and erecting method thereof
CN105178618B (en) * 2015-07-31 2018-03-30 中天建设集团有限公司 A kind of band floats the working protective frame of the prefabricated out-hung panel of window
CN105064553B (en) * 2015-09-09 2017-09-05 江苏中南建筑产业集团有限责任公司 Flexible prefabricated assembling shear wall exterior window integrated construction system and its construction method
CN105113851B (en) * 2015-09-14 2017-11-28 上海建工二建集团有限公司 A kind of construction fence and its construction method of multifunctional precast assembled architecture
CN107060305A (en) * 2017-04-26 2017-08-18 中国十九冶集团有限公司 External wall construction operating platform and construction method
CN107130783B (en) * 2017-07-05 2019-03-19 中国二十二冶集团有限公司 The prefabricated sandwich heat preservation Side fascia of assembling type steel structure house protects frame construction method
CN108532458A (en) * 2018-03-16 2018-09-14 广州市市政工程设计研究总院 A kind of prefabricated assembled light-duty high-strength Collison fence for bridge
CN108612297A (en) * 2018-03-30 2018-10-02 上海二十冶建设有限公司 Face do-nothing operation stage apparatus on the outside of a kind of pulling type
CN108952136B (en) * 2018-06-12 2020-09-08 天津住宅集团建设工程总承包有限公司 Detachable integral hoisting protection frame mounting and dismounting method

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