CN104532999A - Steel bar formwork rack of hollow slab - Google Patents
Steel bar formwork rack of hollow slab Download PDFInfo
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- CN104532999A CN104532999A CN201410849163.7A CN201410849163A CN104532999A CN 104532999 A CN104532999 A CN 104532999A CN 201410849163 A CN201410849163 A CN 201410849163A CN 104532999 A CN104532999 A CN 104532999A
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- reinforcing bar
- core
- cushion block
- upper strata
- described core
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Abstract
The invention provides a steel bar formwork rack of a hollow slab. The steel bar formwork rack of the hollow slab comprises a set of supporting bent frames, a formwork, a lower leather reinforcing steel bar, a plurality of mandrels and an upper leather reinforcing steel bar. The formwork is placed on the supporting bent frames, and a plurality of holes are formed in the formwork. The lower leather reinforcing steel bar is placed on the formwork. The mandrels are placed on the lower leather reinforcing steel bar, and a lower layer cushion block is arranged between each mandrel and the lower leather reinforcing steel bar. The upper leather reinforcing steel bar is placed on the mandrels, and an upper layer cushion block is arranged between each mandrel and the upper leather reinforcing steel bar. All the mandrels are bound on the supporting bent frames by binding iron wires through the holes. According to the steel bar formwork rack of the hollow slab, the floating of the mandrels can be effectively prevented, and meanwhile the horizontal distance of the adjacent mandrels can be effectively controlled.
Description
Technical field
The invention belongs to the realm of building construction, be specifically related to a kind of reinforcing bar mould bases of cassette ceiling.
Background technology
Hollow box-shaped floor breaches conventional building construction pattern, achieve that cast-in-situ floor is hollow, Wu Liang, without cap, there is easy construction, safe and reliable, cost is low, insulation and the advantage such as sound insulation, there is obvious economic benefit and social benefit, therefore receive and favor widely.
At present, the work progress of cast-in-situ hollow floor plate is adopted mainly: first, build template; Then, skin reinforcing bar is set on template upper berth; Then, core placed by hypodermis reinforcing bar; Then, core is laid epithelium reinforcing bar; Finally, fluid concrete.Due to the lighter in weight of cassette ceiling core; very easily float when concreting and move; therefore; concrete waters in the process of smashing and often there will be core floating; in order to prevent core from floating, there is people by core together with hypodermis binding reinforcing bars, but not playing the effect preventing core from floating; especially in the occasion of core One's name is legion, the buoyancy of core also can drive hypodermis reinforcing bar to float together with core.Core floating can cause that the upper layer concrete of cassette ceiling is crossed thin and lower-layer concrete is blocked up.In addition, also find in practice of construction process, because the rising phenomenon of core, core easily easily movement between two-layer reinforcing bar, makes the distance between core and reinforcing bar uncontrollable, therefore, brings many constant to grouted-aggregate concrete.
Summary of the invention
The object of the present invention is to provide a kind of reinforcing bar mould bases of cassette ceiling, to solve the core On The Floating in conventional hollow floor bar mould bases, upper layer concrete and the lower-layer concrete thickness of guarantee cassette ceiling are homogeneous.
For solving the problems of the technologies described above, the invention provides a kind of reinforcing bar mould bases of cassette ceiling, comprising:
One group of supporting row frame;
Be positioned over the template in described supporting row frame, described template offers multiple hole;
Be positioned over the hypodermis reinforcing bar in described template;
Be positioned over the some cores on described hypodermis reinforcing bar, between each described core and described hypodermis reinforcing bar, be provided with lower floor's cushion block;
Be positioned over the hypodermis reinforcing bar on described core, between each described core and described epithelium reinforcing bar, be provided with upper strata cushion block;
Wherein, each described core is all utilized and ties up iron wire and be banded in supporting row frame by described hole.
Optionally, four of described core angles are all banded in described supporting row frame by tying up iron wire described in two by each described core.
Optionally, arrange stretch-draw iron wire in the center of each described core, described stretch-draw iron wire will tie up iron wire along tightening perpendicular to described iron wire direction of tying up described in two.
Optionally, only arrange a described lower floor cushion block between each described core and described hypodermis reinforcing bar, described lower floor cushion block is arranged at the below of described core.
Optionally, arrange four described lower floor cushion blocks between each described core and described hypodermis reinforcing bar, four described lower floor cushion blocks are arranged at the below at described core four angles respectively.
Optionally, only arrange a upper strata cushion block between each described core and described epithelium reinforcing bar, described upper strata cushion block is arranged at the top of described core.
Optionally, arrange four upper strata cushion blocks between each described core and described epithelium reinforcing bar, four described upper strata cushion blocks are arranged at the top at described core four angles respectively.
Optionally, only arrange a upper strata cushion block between each described core and described epithelium reinforcing bar, described upper strata cushion block is arranged at the top of described core.
Optionally, arrange four upper strata cushion blocks between each described core and described epithelium reinforcing bar, four described upper strata cushion blocks are arranged at the top at described core four angles respectively.
Adopt the reinforcing bar mould bases of cassette ceiling of the present invention, at least there is following Advantageous Effects:
1, vertically spacing core of avoiding floats.In the process of casting and compacting of concrete, because the existence of upper strata cushion block and lower floor's cushion block, avoid the On The Floating of core, the thickness that ensure that layer concrete and lower-layer concrete, by the impact that core floats, is unlikely to occur that layer concrete crosses thin and lower-layer concrete is blocked up phenomenon.
2, the horizontal movement avoiding core tied up by iron wire.Iron wire is used to be banded in supporting row frame by core, on the one hand because the pull resistance of supporting row frame, core is made to there will not be floating, on the other hand, also make core relatively fixing in the horizontal direction by tying up, water in the process of smashing concrete, core there will not be the problem moved around, and distance between adjacent core also can be effectively controlled.
Accompanying drawing explanation
Fig. 1 is the structural representation of the reinforcing bar mould bases of the cassette ceiling of one embodiment of the invention;
Fig. 2 is the top view of the reinforcing bar mould bases of the cassette ceiling of one embodiment of the invention;
Fig. 3 is the structural representation of the reinforcing bar mould bases of the cassette ceiling of another embodiment of the present invention.
Detailed description of the invention
Be described in further detail below in conjunction with the reinforcing bar mould bases of the drawings and specific embodiments to the cassette ceiling that the present invention proposes.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Composition graphs 1 and Fig. 2, the reinforcing bar mould bases 100 of the cassette ceiling of one embodiment of the invention comprises one group of supporting row frame 1, template 2, hypodermis reinforcing bar 3, some cores 4 and epithelium reinforcing bar 5, wherein, template 2 is positioned in supporting row frame 1, and template 2 is offered multiple hole 6; Hypodermis reinforcing bar 3 is positioned in template 2; Some cores 4 are positioned on hypodermis reinforcing bar 3, between each core 4 and hypodermis reinforcing bar 3, be all provided with lower floor's cushion block 7; Epithelium reinforcing bar 5 is positioned on core 4, all placed upper strata cushion block 8 at each core 4 with epithelium reinforcing bar 5 diameter; And each described core 4 all utilizes to be tied up iron wire 9 and is banded in supporting row frame 1 by hole 6.
As shown in Figure 1, in the reinforcing bar mould bases 100 of the cassette ceiling of one embodiment of the invention, because be provided with upper strata cushion block 8 and lower floor's cushion block 7 respectively at the upper and lower of core 4, in concrete casting process, when core 4 is subject to buoyancy toward when floating, because the existence of upper strata cushion block 8, limit the floating of core 4; Meanwhile, because the existence of lower floor's cushion block 7, it also avoid not expected construction action in work progress and the sinking of the core 4 caused.That is, upper strata cushion block 8 and the vertical spacing effect of lower floor's cushion block 7 realization, avoid core 4 float or sink, thus ensure that the thickness of layer concrete and lower-layer concrete is controlled.
Continue with reference to figure 1, for the setting of lower floor's cushion block 7 and upper strata cushion block 8, in order to save the usage quantity of lower floor's cushion block 7 and upper strata cushion block 8, can only arrange lower floor's cushion block 7 between each core 4 and hypodermis reinforcing bar 3, lower floor's cushion block 7 is arranged at the below of core 4; Meanwhile, between each core 4 and epithelium reinforcing bar 5, also only arrange a upper strata cushion block 8, upper strata cushion block 8 is arranged at the top of core 4, will avoid the hollow position of core 4 simultaneously.In order to ensure concrete smooth cast, the placement location of lower floor's cushion block 7 and upper strata cushion block 8 should avoid the position of opening of core 4.
Continue with reference to figure 2, for each core 4, one piece of lower floor's cushion block 7 and one piece of upper strata cushion block 8 are only set, and lower floor's cushion block 7 and upper strata cushion block 8 are because will avoid the position of opening of core 4, generally cannot be placed on the center of core 4, the placement of core 4 can be caused not steady, easily tilt.In order to avoid crank-sided this kind of situation of core 4, as shown in Figure 3, in an alternative embodiment of the invention, can arrange four lower floor's cushion blocks 7 (only illustrating two in figure) between each core 4 and hypodermis reinforcing bar 3, four lower floor's cushion blocks 7 are arranged at the below at core 4 four angles respectively; Meanwhile, the top that four upper strata cushion blocks, 8, four upper strata cushion blocks 8 are arranged at core 4 four angles is respectively set between each core 4 and epithelium reinforcing bar 5.Like this, namely expose the hollow part being positioned at core 4 center, ensure that concrete smooth cast, also ensure that the steady placement of core 4.
In order to the stability of the usage quantity and cushion block that balance cushion block, also lower floor's cushion block 7 can be only set between each core 4 and hypodermis reinforcing bar 3, and four upper strata cushion blocks 8 are set between each core 4 and epithelium reinforcing bar 5; Same, also a upper strata cushion block 8 can be only set between each core 4 and epithelium reinforcing bar 5, and four lower floor's cushion blocks 7 are set between each core 4 and hypodermis reinforcing bar 3.Should be understood that, in order to the stability of the usage quantity and cushion block that balance cushion block, quantity and the position of cushion block can be set according to the demand of actual situations of construction.
Composition graphs 1 and Fig. 2, tie up iron wire 9 and be banded in supporting row frame 1 by core 4, make use of the pull resistance of supporting row frame 1 on the one hand, further avoid the floating of core 4; That face of the opposing party, tying up iron wire 9 is fixed in supporting row frame 1 by core 4, also makes core 4 movement in the horizontal direction be restricted, in concrete placement, core 4 there will not be the movement of horizontal direction, and the distance between adjacent core 4 also can be effectively controlled.
In order to make the fixing more firm of core 4, two can be used to tie up iron wire 9 four of core 4 angles are banded in supporting row frame 1, make the fixing more steady of core 4.In addition, in order to ensure the tensioning dynamics of tying up iron wire 9, can arrange a stretch-draw iron wire 10 in the center of each core 4, stretch-draw iron wire is tied up iron wire 9 by two and is tightened along perpendicular to the direction of tying up iron wire 9.
In sum, adopt the reinforcing bar mould bases of cassette ceiling provided by the present invention, because have vertically spacing lower floor's cushion block and the existence of lower floor's cushion block, effectively can avoid the rising phenomenon of core, thus ensure that layer concrete and lower-layer concrete thickness not by the impact that core floats.In addition, core is banded in supporting row frame by iron wire, limits core movement in the horizontal direction, ensure that the distance between adjacent core is controlled.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (9)
1. a reinforcing bar mould bases for cassette ceiling, is characterized in that, comprising:
One group of supporting row frame;
Be positioned over the template in described supporting row frame, described template offers multiple hole;
Be positioned over the hypodermis reinforcing bar in described template;
Be positioned over the some cores on described hypodermis reinforcing bar, between each described core and described hypodermis reinforcing bar, be provided with lower floor's cushion block;
Be positioned over the hypodermis reinforcing bar on described core, between each described core and described epithelium reinforcing bar, be provided with upper strata cushion block;
Wherein, each described core is all utilized and ties up iron wire and be banded in described supporting row frame by described hole.
2. the reinforcing bar mould bases of cassette ceiling as claimed in claim 1, it is characterized in that, four of described core angles are all banded in described supporting row frame by tying up iron wire described in two by each described core.
3. the reinforcing bar mould bases of cassette ceiling as claimed in claim 2, is characterized in that, arrange stretch-draw iron wire in the center of each described core, and described stretch-draw iron wire will tie up iron wire along tightening perpendicular to described iron wire direction of tying up described in two.
4. the reinforcing bar mould bases of cassette ceiling as claimed any one in claims 1 to 3, it is characterized in that, only arrange a described lower floor cushion block between each described core and described hypodermis reinforcing bar, described lower floor cushion block is arranged at the below of described core.
5. the reinforcing bar mould bases of cassette ceiling as claimed any one in claims 1 to 3, it is characterized in that, arrange four described lower floor cushion blocks between each described core and described hypodermis reinforcing bar, four described lower floor cushion blocks are arranged at the below at described core four angles respectively.
6. the reinforcing bar mould bases of cassette ceiling as claimed any one in claims 1 to 3, it is characterized in that, only arrange a upper strata cushion block between each described core and described epithelium reinforcing bar, described upper strata cushion block is arranged at the top of described core.
7. the reinforcing bar mould bases of cassette ceiling as claimed any one in claims 1 to 3, it is characterized in that, arrange four upper strata cushion blocks between each described core and described epithelium reinforcing bar, four described upper strata cushion blocks are arranged at the top at described core four angles respectively.
8. the reinforcing bar mould bases of cassette ceiling as claimed in claim 4, it is characterized in that, only arrange a upper strata cushion block between each described core and described epithelium reinforcing bar, described upper strata cushion block is arranged at the top of described core.
9. the reinforcing bar mould bases of cassette ceiling as claimed in claim 5, it is characterized in that, arrange four upper strata cushion blocks between each described core and described epithelium reinforcing bar, four described upper strata cushion blocks are arranged at the top at described core four angles respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849163.7A CN104532999A (en) | 2014-12-26 | 2014-12-26 | Steel bar formwork rack of hollow slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849163.7A CN104532999A (en) | 2014-12-26 | 2014-12-26 | Steel bar formwork rack of hollow slab |
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| Publication Number | Publication Date |
|---|---|
| CN104532999A true CN104532999A (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410849163.7A Pending CN104532999A (en) | 2014-12-26 | 2014-12-26 | Steel bar formwork rack of hollow slab |
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| Country | Link |
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| CN (1) | CN104532999A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2627091Y (en) * | 2003-01-30 | 2004-07-21 | 北京市建筑工程研究院 | Large span cast-in-situ hollow slab with cohesion preload stress |
| KR100885865B1 (en) * | 2008-08-13 | 2009-03-05 | 주식회사 반석티비에스 | A light weight body integrated form for holllow concrete slab, construction method using the same and hollow concrete slab by the method |
| CN101899874A (en) * | 2009-05-26 | 2010-12-01 | 内蒙古兴泰建筑有限责任公司 | Thin-wall box-body cast-in-place concrete hollow floor slab |
| CN201883585U (en) * | 2010-12-24 | 2011-06-29 | 中国华冶科工集团有限公司 | Cast-in-place concrete hollow floor slab |
| CN202595983U (en) * | 2012-05-03 | 2012-12-12 | 上海建工集团股份有限公司 | Cast-in-place concrete floor slab |
| CN203080806U (en) * | 2012-12-18 | 2013-07-24 | 中建三局第一建设工程有限责任公司 | Anti-floating device for GRF thin-walled hollow pipes of hollow floor slab |
| CN103628683A (en) * | 2013-12-10 | 2014-03-12 | 中铁二十三局集团有限公司 | Construction method of cast-in-place hollow girderless floor |
| CN204491949U (en) * | 2014-12-26 | 2015-07-22 | 上海建工五建集团有限公司 | A kind of reinforcing bar mould bases of cassette ceiling |
-
2014
- 2014-12-26 CN CN201410849163.7A patent/CN104532999A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2627091Y (en) * | 2003-01-30 | 2004-07-21 | 北京市建筑工程研究院 | Large span cast-in-situ hollow slab with cohesion preload stress |
| KR100885865B1 (en) * | 2008-08-13 | 2009-03-05 | 주식회사 반석티비에스 | A light weight body integrated form for holllow concrete slab, construction method using the same and hollow concrete slab by the method |
| CN101899874A (en) * | 2009-05-26 | 2010-12-01 | 内蒙古兴泰建筑有限责任公司 | Thin-wall box-body cast-in-place concrete hollow floor slab |
| CN201883585U (en) * | 2010-12-24 | 2011-06-29 | 中国华冶科工集团有限公司 | Cast-in-place concrete hollow floor slab |
| CN202595983U (en) * | 2012-05-03 | 2012-12-12 | 上海建工集团股份有限公司 | Cast-in-place concrete floor slab |
| CN203080806U (en) * | 2012-12-18 | 2013-07-24 | 中建三局第一建设工程有限责任公司 | Anti-floating device for GRF thin-walled hollow pipes of hollow floor slab |
| CN103628683A (en) * | 2013-12-10 | 2014-03-12 | 中铁二十三局集团有限公司 | Construction method of cast-in-place hollow girderless floor |
| CN204491949U (en) * | 2014-12-26 | 2015-07-22 | 上海建工五建集团有限公司 | A kind of reinforcing bar mould bases of cassette ceiling |
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Application publication date: 20150422 |