CN102619330B - Hollow building roof system GBF pipe anti-floating positioning construction method - Google Patents
Hollow building roof system GBF pipe anti-floating positioning construction method Download PDFInfo
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- CN102619330B CN102619330B CN201110055217.9A CN201110055217A CN102619330B CN 102619330 B CN102619330 B CN 102619330B CN 201110055217 A CN201110055217 A CN 201110055217A CN 102619330 B CN102619330 B CN 102619330B
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- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000007667 floating Methods 0.000 title claims abstract description 15
- 230000002787 reinforcement Effects 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims abstract 4
- 238000005266 casting Methods 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910003471 inorganic composite material Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The present invention hollow building roof system GBF pipe anti-floating positioning construction method, comprises: steps A, makes GBF pipe location network interface card and steel mesh reinforcement grab; Step B, decking, in template unwrapping wire, beat the hole of locking bottom reinforcement bars net; Step C, according to the dark beam of line colligation that template is put and bottom reinforcement bars net, is locked in the support of template on through hole template locking bottom reinforcement bars net by bottom reinforcement bars net with bundle silk; Step D, installs GBF pipe location network interface card and GBF pipe according to the line that template is put, and it is online with bundle silk, GBF pipe to be locked in bottom reinforcement bars; Step e, colligation top mat, installs steel mesh reinforcement grab between bottom reinforcement bars net and top mat, and it is online with bundle silk, steel mesh reinforcement grab to be locked in top reinforcement; Step F, concreting; Step G; Form removal.The present invention can prevent the dislocation of steel mesh reinforcement and GBF pipe, distortion and floating, during construction many people to step on reinforcing bar indeformable.
Description
Technical field
The present invention relates to the construction method of a kind of building roof system.
Background technology
GBF high intensity thinner tube Inflatable inner tube core mold tube (hereinafter referred to as GBF pipe) adopts glass fiber, fine sand, water and additive and macromolecule gelling inorganic composite materials to make.It has bending resistance, resistance to compression, tensile strength are high.Shock resistance surface course is without cracking, and body is light, fire prevention, waterproof and dampproof, and anti-seismic performance is high, low cost and other advantages.Cast-in-place concrete is without the hollow building of beam (room) cover plate technology, Shi building (room) top post and post, between post and shear wall, cover plate is set, the framework surrounded with the dark beam of thick flat type with this cover plate is provided with in this cover plate, this framework forms the micro-space of groined type of several even point of general layout in this cover plate, forms reliable force transferring structure system.In each micro-space, compartment of terrain fills many GBF pipe side by side, and bottom in each micro-space and upper strata arrange steel mesh reinforcement respectively, every root GBF pipe respectively colligation on corresponding bottom reinforcement bars net correspondence position, to prevent dislocation.Adopt the cast-in-place concrete cored pore-forming technique that GBF pipe is filled, building (room) cover plate is from heavy and light, and rigidity is large, improves headway remarkable, increases usage space.GBF pipe building roof slab, hollow rate is about 40%, and minimum steel ratio is 0.2%, and maximum reinforcement ratio is 1.2%, can strengthen whole building rigidity, alleviates dead load about 44%; Template construct loss is little, cost reduction, and the duration shortens, and can reduce labor intensity, and can reduce harm and loss that earthquake causes the mankind, effectively can reduce engineering cost.Its floor face is upper and lower smooth, and span spatial area is large, is convenient to great space and flexible spaced apart, can effectively reduces building and cross depth of beam, when building storey height headroom is constant, correspondingly reduce building storey height; The effect of usage space can be improved.The space that this cassette ceiling is formed, decreases noise and the heat transmission of floor Lower and upper bounds, improves the sound insulation of floor, heat-proof quality.Its effect has clear superiority.
But it also has following shortcoming: the circular hollow pipe being two ends sealing due to GBF pipe, when building concrete because vibrating head is to the concrete effect of vibrating, the buoyancy of this pipe originally in concrete can drive the entirety of the plate bottom reinforcement bars net together with the colligation of GBF pipe to float.In addition, during construction, constructor tramples GBF pipe upper reinforcement net and upper reinforcement can be caused to be out of shape displacement, and then causes trampling GBF pipe and make it damaged.
The dislocation of steel mesh reinforcement and GBF pipe, distortion and floating.Guarantee GBF pipe location and the density of rib concrete and accuracy between bottom concrete cover thickness and pipe.Trample its GBF when solving construction to manage and the indeformable displacement of upper reinforcement, core pipe is not by the problem stepped on brokenly with drive bottom reinforcement bars GBF pipe entirety to float when building.
Summary of the invention
The present invention aims to provide a kind of hollow building roof system GBF pipe anti-floating positioning construction method preventing the dislocation of steel mesh reinforcement and GBF pipe, distortion and float.
Technical scheme of the present invention is: hollow building roof system GBF pipe anti-floating positioning construction method, and the step comprised has:
Steps A, makes GBF pipe location network interface card and steel mesh reinforcement grab; GBF pipe location network interface card bottom be the crossbeam that shaped steel is made, arrange one according to the interval between the external diameter of GBF pipe and GBF pipe on this crossbeam and be drained through hole, and on this crossbeam every U-shaped buckle representing a plug-in mounting steel in the via hole at GBF pipe interval for a pair; Steel mesh reinforcement grab screw-thread steel is made, and its bottom upwards bends, to entangle bottom reinforcement bars net, the top of steel mesh reinforcement grab to a lateral buckling, to be affiliated to top mat;
Step B, decking, in template unwrapping wire, beat the hole of locking bottom reinforcement bars net; Wherein unwrapping wire refers to planar dimension according to floor and ater-casting, constuction joint, settlement joint, GBF pipe is arranged and full-length along plate is short across arragement direction, and template ejects the position line of the dark beam steel position line, the position line of bottom reinforcement bars net, the position line of GBF pipe and GBF pipe location network interface card;
Step C, according to the dark beam of line colligation that template is put and bottom reinforcement bars net, is locked in the support of template on through hole template locking bottom reinforcement bars net by bottom reinforcement bars net with bundle silk;
Step D, installs GBF pipe location network interface card and GBF pipe according to the line that template is put, and it is online with bundle silk, GBF pipe to be locked in bottom reinforcement bars; Namely, make each GBF pipe locate network interface card U-shaped buckle upwards and crossbeam opsition dependent line to be placed on bottom reinforcement bars online, and between each U-shaped buckle of every two corresponding GBF pipe location network interface cards, according to the position line that template is put, GBF pipe is installed, then from two ends, every root GBF is managed respectively with other bundle silk and GBF pipe network for location card lock online at bottom reinforcement bars;
Step e, colligation top mat, installs steel mesh reinforcement grab between bottom reinforcement bars net and top mat, and it is online with bundle silk, steel mesh reinforcement grab to be locked in top reinforcement; Namely, colligation top mat, between bottom reinforcement bars net and top mat, alongst with width compartment of terrain, steel mesh reinforcement grab is installed, the bottom of each steel mesh reinforcement grab is made to entangle reinforcing bar corresponding to bottom reinforcement bars net, reinforcing bar corresponding to top mat is affiliated on top, and each steel mesh reinforcement grab is upper and lower buckles the location controlling bottom reinforcement bars net and top mat; And respectively each steel mesh reinforcement grab is locked on reinforcing bar corresponding to top mat with other bundle silk;
Step F, concreting;
Step G; Form removal.
The present invention hollow building roof system GBF pipe anti-floating positioning construction method, uses prefabricated GBF pipe location network interface card to position GBF pipe, uses prefabricated steel mesh reinforcement grab to position bottom reinforcement bars net and top mat; Through the hole in template, bottom reinforcement bars net is locked on the support of template with bundle silk; With bundle silk, GBF pipe is locked in bottom reinforcement bars online; With bundle silk, steel mesh reinforcement grab is locked in top reinforcement online; When concreting, the dislocation of steel mesh reinforcement and GBF pipe, distortion can be prevented and float; Particularly by means of the supporting role of steel mesh reinforcement grab, during construction many people to step on reinforcing bar indeformable; Workman can stand directly on operation top mat carrying out concreting, and GBF pipe of can not stepping on, under the prerequisite ensureing workmanship, can greatly accelerate the operating speed of concreting, and can reduce and lay built on stilts pedal, carry out steel mesh reinforcement and be out of shape the constructor remedied.
Accompanying drawing explanation
Fig. 1 is the main flow schematic diagram of the present invention hollow building roof system GBF core pipe anti-floating positioning construction method.
Fig. 2 is the cross-sectional view of the present invention hollow building roof system GBF core pipe anti-floating positioning construction method embodiment hollow core building roof system.
Fig. 3 is the scheme of installation of dark beam, bottom reinforcement bars net net, top mat, GBF pipe and steel mesh reinforcement grab in template in the present invention hollow building roof system GBF core pipe anti-floating positioning construction method embodiment.
Fig. 4 is the scheme of installation of bottom reinforcement bars net net in the present invention hollow building roof system GBF core pipe anti-floating positioning construction method embodiment, top mat, GBF pipe, GBF pipe location network interface card and steel mesh reinforcement grab.
Fig. 5 is the schematic diagram of concreting in the present invention hollow building roof system GBF core pipe anti-floating positioning construction method embodiment.
Fig. 6 is the schematic diagram of vibrated concrete in the present invention hollow building roof system GBF core pipe anti-floating positioning construction method embodiment.
Detailed description of the invention
The main flow of the present invention hollow building roof system GBF core pipe anti-floating positioning construction method, as shown in Figure 1.This construction method, the step comprised has:
Steps A, at produce in factory GBF pipe location network interface card and steel mesh reinforcement grab; The structure of GBF pipe location network interface card and steel mesh reinforcement grab please refer to Fig. 2.The bottom of GBF pipe location network interface card 7 is crossbeams 71 that the shaped steel such as square steel pipe or channel-section steel is made, this crossbeam 71 arranges one according to the interval between the external diameter of GBF pipe and GBF pipe and is drained through hole, and on this crossbeam 71 every U-shaped buckle 72 representing a plug-in mounting steel in the via hole at GBF pipe interval for a pair.Steel mesh reinforcement grab 8 is made with screw-thread steel, and its bottom upwards bends, to entangle bottom reinforcement bars net 5; Its top to a lateral buckling, to be affiliated to top mat 9.
Step B, decking, in template unwrapping wire, beat the hole of locking bottom reinforcement bars net.Support 1 is laid wooden a tree, used in making timber for boats 3, wooden a tree, used in making timber for boats 3 lays template 2.According to planar dimension and the ater-casting of floor, constuction joint, settlement joint, water power pipe is reserved, pre-buried position, GBF pipe is arranged and full-length along plate is short across arragement direction, and template 2 ejects the position line of the dark beam steel position line, the position line of bottom reinforcement bars net 5, the position line of GBF pipe 10, the water power pipe position line and the location screens 7 of GBF pipe.Template 2 corresponds to the position of bottom reinforcement bars net net 5, bores the hole of locking bottom reinforcement bars net net 5 at interval of 0.8 meter in reinforcing bar crosspoint, the hole of boring locking bottom reinforcement bars net 5 should be encrypted on four limits and corner.
Step C, according to the dark beam of line colligation, intercostal reinforcing bar and bottom reinforcement bars net that template is put.After these bar constructions are in place, below them and between template 2, cushion block 4 is put in compartment of terrain.Be each passed through with bundle silk 6 (bundle silk 6 is 10# ~ 12# iron wire) hole template 2 locking bottom reinforcement bars net 5 bottom reinforcement bars net net 5 is locked on the cross bar of support 1 of template 2.
Step D, according to the line that template 2 is put, GBF pipe location network interface card 7 and water power pipe are installed, make each GBF pipe locate network interface card 7 U-shaped buckle 72 upwards and crossbeam 71 opsition dependent line is placed on bottom reinforcement bars net net 5, and according to the position line that template 2 is put, GBF pipe 10 is installed between each U-shaped buckle 72 of every two corresponding GBF pipe location network interface cards 7, be then locked on bottom reinforcement bars net 5 from two ends by every root GBF pipe 10 and GBF pipe location network interface card 7 respectively with other bundle silk.
Step e, colligation top mat 9, between bottom reinforcement bars net 5 and top mat 9, alongst install steel mesh reinforcement grab 8 with width compartment of terrain, make the bottom of each steel mesh reinforcement grab 8 entangle the reinforcing bar of bottom reinforcement bars net 5 correspondence, the reinforcing bar of top mat 9 correspondence is affiliated on top.Each steel mesh reinforcement grab 8 is upper and lower buckles the location controlling bottom reinforcement bars net 5 and top mat 9; And respectively each steel mesh reinforcement grab 8 is locked on the reinforcing bar of top mat 9 correspondence with other bundle silk; Please refer to Fig. 3 and Fig. 4.
Step F, concreting.Adopt commodity fine-stone concrete, undertaken by the order on first dark beam, again rib of slab, again GBF pipe 10 ribs, last upper strata when building, slump controls at 140 millimeters-160 millimeters, and concrete should be kept during pouring to have certain flowable.Between rib of slab concrete and GBF pipe 10, rib concrete adopts the layered approach construction technology of final grouting and secondary vibration to construct.First build the concrete of gross thickness 2/3, vibrate with φ 30 millimeters of vibrating heads, then build remaining upper layer concrete, vibrate with plate vibrator, floating.Final grouting and secondary vibration ensure that the positional accuracy of GBF pipe 10, also ensure that the density of rib concrete between bottom concrete cover thickness and GBF pipe 10, guarantee workmanship.Please refer to Fig. 5 and Fig. 6.After having built, adopt the energy-conserving and environment-protective maintenance measure of covered rearing with plastic film, without Manual moist water curing, the cement alkali liquid produced after can reducing wet water is to the pollution of environment.
Step G; Form removal.After concrete strength reaches 100%, remove template 2, wooden a tree, used in making timber for boats 3 and support 1.
The above, be only present pre-ferred embodiments, do not limit scope of the invention process with this, and equivalence change and the modification done according to technical scheme of the present invention and description, all should belong to the scope that the present invention is contained.
Claims (1)
1. hollow building roof system GBF pipe anti-floating positioning construction method, the step comprised has:
Steps A, makes GBF pipe location network interface card and steel mesh reinforcement grab; GBF pipe location network interface card bottom be the crossbeam that shaped steel is made, this crossbeam arranges one according to the interval between the external diameter of GBF pipe and GBF pipe and is drained through hole, and on this crossbeam every U-shaped buckle representing a plug-in mounting steel in the via hole at GBF pipe interval for a pair; Steel mesh reinforcement grab screw-thread steel is made, and its bottom upwards bends, to entangle bottom reinforcement bars net, the top of steel mesh reinforcement grab to a lateral buckling, to be affiliated to top mat;
Step B, decking, in template unwrapping wire, beat the hole of locking bottom reinforcement bars net; Wherein unwrapping wire refers to planar dimension according to floor and ater-casting, constuction joint, settlement joint, GBF pipe is arranged and full-length along plate is short across arragement direction, and template ejects the position line of the dark beam steel position line, the position line of bottom reinforcement bars net, the position line of GBF pipe and GBF pipe location network interface card;
Step C, according to the dark beam of line colligation that template is put and bottom reinforcement bars net, is locked in the support of template on through hole template locking bottom reinforcement bars net by bottom reinforcement bars net with bundle silk;
Step D, installs GBF pipe location network interface card and GBF pipe according to the line that template is put, and it is online with bundle silk, GBF pipe to be locked in bottom reinforcement bars; Namely, make each GBF pipe locate network interface card U-shaped buckle upwards and crossbeam opsition dependent line to be placed on bottom reinforcement bars online, and between each U-shaped buckle of every two corresponding GBF pipe location network interface cards, according to the position line that template is put, GBF pipe is installed, then from two ends, every root GBF is managed respectively with other bundle silk and GBF pipe network for location card lock online at bottom reinforcement bars;
Step e, colligation top mat, installs steel mesh reinforcement grab between bottom reinforcement bars net and top mat, and it is online with bundle silk, steel mesh reinforcement grab to be locked in top reinforcement; Namely, colligation top mat, between bottom reinforcement bars net and top mat, alongst with width compartment of terrain, steel mesh reinforcement grab is installed, the bottom of each steel mesh reinforcement grab is made to entangle reinforcing bar corresponding to bottom reinforcement bars net, reinforcing bar corresponding to top mat is affiliated on top, and each steel mesh reinforcement grab is upper and lower buckles the location controlling bottom reinforcement bars net and top mat; And respectively each steel mesh reinforcement grab is locked on reinforcing bar corresponding to top mat with other bundle silk;
Step F, concreting;
Step G; Form removal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110055217.9A CN102619330B (en) | 2011-03-08 | 2011-03-08 | Hollow building roof system GBF pipe anti-floating positioning construction method |
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| CN201110055217.9A CN102619330B (en) | 2011-03-08 | 2011-03-08 | Hollow building roof system GBF pipe anti-floating positioning construction method |
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| CN102619330A CN102619330A (en) | 2012-08-01 |
| CN102619330B true CN102619330B (en) | 2015-09-02 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102619330B (en) * | 2011-03-08 | 2015-09-02 | 湖南省第六工程有限公司 | Hollow building roof system GBF pipe anti-floating positioning construction method |
| CN103397729A (en) * | 2013-07-19 | 2013-11-20 | 中建五局第三建设有限公司 | Anti-floating construction method for NZ internal formworks |
| CN104695604B (en) * | 2015-02-16 | 2016-08-31 | 中建城市建设发展有限公司 | Cassette ceiling high intensity thinner tube hollow pipe anti-floating stopping means and prepare instrument |
| CN108532969B (en) * | 2018-05-31 | 2024-06-14 | 重庆建工集团股份有限公司 | Profile steel supporting device for loading hole embedded part and construction method of profile steel supporting device |
| CN108894206B (en) * | 2018-07-25 | 2020-10-23 | 中国一冶集团有限公司 | Sandbar sewage pipe and well anti-floating system and construction method |
| CN109881832A (en) * | 2019-03-28 | 2019-06-14 | 山西省工业设备安装集团有限公司 | A kind of prestressed hollow slab and its construction method |
| CN116290732A (en) * | 2023-05-13 | 2023-06-23 | 中铁建电气化局集团第三工程有限公司 | Single formwork supporting structure adopting high-low span surface drawknot method |
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| CN1800534A (en) * | 2005-11-24 | 2006-07-12 | 徐金声 | Combined prestressing force concrete sandwich board and its construction method |
| CN200985574Y (en) * | 2006-11-27 | 2007-12-05 | 青岛建设集团公司 | Cast-in-place concrete hollow beamless floor thin wall hollow pipe fixing structure |
| CN102619330A (en) * | 2011-03-08 | 2012-08-01 | 青光绪 | Method for floating-resistant positioning construction on high-strength hollow inner bead core mold pipe (GBF) of hollow floor |
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2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800534A (en) * | 2005-11-24 | 2006-07-12 | 徐金声 | Combined prestressing force concrete sandwich board and its construction method |
| CN200985574Y (en) * | 2006-11-27 | 2007-12-05 | 青岛建设集团公司 | Cast-in-place concrete hollow beamless floor thin wall hollow pipe fixing structure |
| CN102619330A (en) * | 2011-03-08 | 2012-08-01 | 青光绪 | Method for floating-resistant positioning construction on high-strength hollow inner bead core mold pipe (GBF) of hollow floor |
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