CN103233408B - A kind of cement concrete expansion joint structure of Ground and implementation method thereof - Google Patents
A kind of cement concrete expansion joint structure of Ground and implementation method thereof Download PDFInfo
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- CN103233408B CN103233408B CN201310165362.1A CN201310165362A CN103233408B CN 103233408 B CN103233408 B CN 103233408B CN 201310165362 A CN201310165362 A CN 201310165362A CN 103233408 B CN103233408 B CN 103233408B
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- shrinkage joint
- concrete plate
- main shrinkage
- joint
- concrete
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- 239000004568 cement Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims description 9
- 239000000945 filler Substances 0.000 claims abstract description 22
- 239000003566 sealing material Substances 0.000 claims abstract description 21
- 239000003292 glue Substances 0.000 claims description 4
- 239000002674 ointment Substances 0.000 claims description 4
- 241000208202 Linaceae Species 0.000 claims description 3
- 235000004431 Linum usitatissimum Nutrition 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 235000011194 food seasoning agent Nutrition 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000001066 destructive effect Effects 0.000 abstract 1
- 239000008393 encapsulating agent Substances 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The invention discloses a kind of cement concrete expansion joint structure of Ground, comprise bed course (1), concrete plate (2-1, 2-2, 2-3), main shrinkage joint (3-1, 3-2) with time shrinkage joint (4), concrete plate (2-1, 2-2, main shrinkage joint (3-1 is provided with 2-3), 3-2), concrete plate (2-3) is provided with time shrinkage joint (4), concrete plate (2-3) and time shrinkage joint (4) form " comb teeth shape " cross section, main shrinkage joint (3-1, extruded sheet (5-1 is filled with 3-2), 5-2), flexible filler and flexible sealing material, secondary shrinkage joint is filled with flexible filler and flexible sealing material in (4).The present invention eliminates the destructive power of temperature action to ground concrete effectively, and the expansion joint width of setting is very little, is conducive to protection sealing concrete external corner, and reduces the quantity of encapsulant in seam, reach good economy.
Description
Technical field
The present invention relates to cement concrete constructions expansion joint structure, refer more particularly to cement concrete expansion joint structure and the implementation method thereof of Ground.
Background technology
Along with the application of cement concrete in the Grounds such as industrial premises, auditorium, exhibition club and pavement engineering, the expand with heat and contract with cold impact of temperature action on cement concrete becomes outstanding, by the regulation of existing " building floor engineering construction quality standards of acceptance " GB50209-2010, reply large area cement concrete ground arranges shrinkage joint, but Practical Project is implemented to remain in some problems, causes the common quality defect of ground failure.
Current specifications requires to stay that the shrinkage joint of establishing is wide reaches 20mm, and such width exists obvious defect, and on the one hand, in seam, filler quantity is more; On the other hand, the tool cart of transporting cargo in factory, because wheel footpath is less, the external corner of easy clashing and breaking sealing both sides, thus cause cement concrete ground to be damaged along these seam both sides.
Existing shrinkage joint is implemented, and usually directly adopts the technique of " first building, rear joint-cutting ", in work progress, ubiquity stretches the phenomenon of the seaming and cutting end of less than, namely adjacent two plates can not be disconnected completely, is easy to produce the problem destroyed under causing temperature action.
Summary of the invention
The technical problem to be solved in the present invention be to provide a kind ofly to implement conveniently, cement concrete expansion joint structure and implementation method thereof that wide adaptability and width are suitable for Ground.
For solving the problem, the invention provides a kind of cement concrete expansion joint structure of Ground, comprise bed course, first concrete plate, second concrete plate, 3rd concrete plate, first main shrinkage joint, second main shrinkage joint and time shrinkage joint, the first main shrinkage joint is provided with between described first concrete plate and the 3rd concrete plate, the second main shrinkage joint is provided with between 3rd concrete plate and the second concrete plate, described 3rd concrete plate is provided with time shrinkage joint, described 3rd concrete plate and time shrinkage joint form " comb teeth shape " cross section, the first extruded sheet is filled with in described first main shrinkage joint, flexible filler and flexible sealing material, the second extruded sheet is filled with in described second main shrinkage joint, flexible filler and flexible sealing material, flexible filler and flexible sealing material is filled with in described shrinkage joint, the top 1/3 thickness range gap width at described first main shrinkage joint and the second main shrinkage joint is 5mm, the gap width at described shrinkage joint is 5mm, the thickness of described first extruded sheet and the second extruded sheet is 20mm
.spacing between described first main shrinkage joint and the second main shrinkage joint is 15m ~ 25m, and the spacing 3.5m between secondary shrinkage joint ~ 4.5m exterior components temperature difference is comparatively large, suitable preferred little value; The indoor engineering temperature difference is less, optional large value.
The thickness of described first concrete plate, the second concrete plate and the 3rd concrete plate is 150 ~ 300mm.
Top 1/3 thickness range at described first main shrinkage joint and the second main shrinkage joint is filled by flexible filler and flexible sealing material, described first bottom 2/3, main shrinkage joint thickness range is filled by the first extruded sheet, described second bottom 2/3, main shrinkage joint thickness range is filled by the second extruded sheet, described first extruded sheet tilts 4 ° ~ 6 ° inside the first concrete plate, and described second extruded sheet tilts 4 ° ~ 6 ° inside the second concrete plate.
Described flexible sealing material is pitch ointment or PU glue, can preferentially adopt pitch ointment to exterior components, can preferentially adopt PU glue to indoor engineering.
Described flexible filler is flax silk or foam strip.
The implementation method of the cement concrete expansion joint structure of described Ground, is characterized in that: comprise the following steps:
Step one: the bed course of laying, ground grading;
Step 2: template is set, the template of bottom 2/3 thickness range tilts 4 ° ~ 6 ° to the inside, and the template in the thickness range of top 1/3 is vertically arranged, and builds the first concrete plate and the second concrete plate; First concrete plate and the second concrete plate solidify rear form removal, adopt cutting machine to cut directly by its edge; The first extruded sheet and the second extruded sheet is pasted at the slot sidewall of bottom 2/3 thickness range of the first concrete plate and the second concrete plate;
Step 3: build the 3rd concrete plate; Water seasoning concrete plate, adopts cutting machine to cut out gap and time shrinkage joint of the first main shrinkage joint and the second top 1/3, main shrinkage joint thickness range successively;
Step 4: adopt dust catcher to eliminate building waste in the first main shrinkage joint and the second gap, top 1/3, main shrinkage joint and time shrinkage joint, then fill out embedding flexible filler and flexible sealing material successively in shrinkage joint, namely complete.
Compared with prior art, the present invention has the following advantages:
1. structure of the present invention, in the concreting stage, is just separated from main expansion joint position completely, avoids the hidden danger of quality that joint-cutting is thorough do not caused.
2. the concrete lower part of first building tilts 4 ° ~ 6 ° in advance to the inside, be beneficial to the quality assurance to main shrinkage joint in work progress, even if there is swollen mould phenomenon in some part, also can ensure that adjacent concrete plate vertically has through main shrinkage joint to exist, reduce the risk of concrete intensification expansion squeeze and destroy.
3. extruded sheet is set in main expansion joint position, the dependable performance of its isolation adjacent plate, absorbs strong, easy to operate, the good economy performance of ability of concrete plate distortion.
4. in concrete plate, the width at main shrinkage joint and time shrinkage joint is all little, to eliminate in factory tool cart because wheel footpath is less the risk of clashing and breaking sealing both sides external corner.Meanwhile, the airtight and watertight padding quantity in shrinkage joint greatly reduces, and has good economy.
Accompanying drawing explanation
Fig. 1 is the cement concrete expansion joint structure generalized section of Ground of the present invention.
Fig. 2 is the cement concrete expansion joint structure floor map of Ground of the present invention.
In figure: 1-bed course, 2-1 first concrete plate, 2-2 second concrete plate, 2-3 the 3rd concrete plate, the main shrinkage joint of 3-1 first, the main shrinkage joint of 3-2 second, 4-shrinkage joint, 5-1 first extruded sheet, 5-2 second extruded sheet, 6-flexible filler, 7-flexible sealing material.
Detailed description of the invention
As depicted in figs. 1 and 2, a kind of cement concrete expansion joint structure of Ground, comprise bed course 1, first concrete plate 2-1, second concrete plate 2-2, 3rd concrete plate 2-3, first main shrinkage joint 3-1, second main shrinkage joint 3-2 and time shrinkage joint 4, the first main shrinkage joint 3-1 is provided with between first concrete plate 2-1 and the 3rd concrete plate 2-3, the second main shrinkage joint 3-2 is provided with between 3rd concrete plate 2-3 and the second concrete plate 2-2, 3rd concrete plate 2-3 is provided with time shrinkage joint 4, 3rd concrete plate 2-3 and time shrinkage joint 4 form " comb teeth shape " cross section, the first extruded sheet 5-1 is filled with in first main shrinkage joint 3-1, flexible filler 6 and flexible sealing material 7, the second extruded sheet 5-2 is filled with in second main shrinkage joint 3-2, flexible filler 6 and flexible sealing material 7, flexible filler 6 and flexible sealing material 7 is filled with in secondary shrinkage joint 4, the top 1/3 thickness range gap width of the first main shrinkage joint 3-1 and the second main shrinkage joint 3-2 is 5mm, the gap width at secondary shrinkage joint 4 is 5mm, the thickness of the first extruded sheet 5-1 and the second extruded sheet 5-2 is 20mm.Spacing between first main shrinkage joint 3-1 and the second main shrinkage joint 3-2 is 15m ~ 25m, the spacing 3.5m ~ 4.5m between secondary shrinkage joint 4.The thickness of the first concrete plate 2-1, the second concrete plate 2-2 and the 3rd concrete plate 2-3 is 150 ~ 300mm.Top 1/3 thickness range of the first main shrinkage joint 3-1 and the second main shrinkage joint 3-2 is filled by flexible filler 6 and flexible sealing material 7, first 3-1 bottom 2/3, main shrinkage joint thickness range is filled by the first extruded sheet 5-1, second 3-2 bottom 2/3, main shrinkage joint thickness range is filled by the second extruded sheet 5-2, first extruded sheet 5-1 tilts 4 ° ~ 6 ° inside the first concrete plate 2-1, and the second extruded sheet 5-2 tilts 4 ° ~ 6 ° inside the second concrete plate 2-2.Flexible sealing material 7 is pitch ointment or PU glue.Flexible filler 6 is flax silk or foam strip.
Implementation method of the present invention is: comprise the following steps:
(1), the bed course 1 of laying, ground grading;
(2), arrange template, the template of bottom 2/3 thickness range tilts 4 ° ~ 6 ° to the inside, and the template in the thickness range of top 1/3 is vertically arranged, and builds the first concrete plate 2-1 and the second concrete plate 2-2; First concrete plate 2-1 and the second concrete plate 2-2 solidifies rear form removal, adopts cutting machine to cut directly by its edge; The first extruded sheet 5-1 and the second extruded sheet 5-2 is pasted at the slot sidewall of bottom 2/3 thickness range of the first concrete plate 2-1 and the second concrete plate 2-2;
3, the 3rd concrete plate 2-3 is built; Water seasoning concrete plate, adopts cutting machine to cut out gap and time shrinkage joint 4 of the first main shrinkage joint 3-1 and the second 3-2 top 1/3, main shrinkage joint thickness range successively;
4, adopt dust catcher to eliminate building waste in the first main shrinkage joint 3-1 and the second gap, 3-2 top 1/3, main shrinkage joint and secondary shrinkage joint 4, then in shrinkage joint, fill out embedding flexible filler 6 and flexible sealing material 7 successively, namely complete.
Teachings herein is example of the present invention and explanation; but do not mean that the obtainable advantage of the present invention is so limited, may to wherein one or more of the advantage realized in the simple transformation of structure and/or some embodiments all in the protection domain of the application in every practice process of the present invention.
Claims (6)
1. the cement concrete expansion joint structure of a Ground, it is characterized in that: comprise bed course (1), first concrete plate (2-1), second concrete plate (2-2), 3rd concrete plate (2-3), first main shrinkage joint (3-1), second main shrinkage joint (3-2) and time shrinkage joint (4), the first main shrinkage joint (3-1) is provided with between described first concrete plate (2-1) and the 3rd concrete plate (2-3), the second main shrinkage joint (3-2) is provided with between 3rd concrete plate (2-3) and the second concrete plate (2-2), described 3rd concrete plate (2-3) is provided with time shrinkage joint (4), described 3rd concrete plate (2-3) and time shrinkage joint (4) form " comb teeth shape " cross section, the first extruded sheet (5-1) is filled with in described first main shrinkage joint (3-1), flexible filler (6) and flexible sealing material (7), the second extruded sheet (5-2) is filled with in described second main shrinkage joint (3-2), flexible filler (6) and flexible sealing material (7), flexible filler (6) and flexible sealing material (7) is filled with in described shrinkage joint (4), the top 1/3 thickness range gap width at described first main shrinkage joint (3-1) and the second main shrinkage joint (3-2) is 5mm, the gap width of described shrinkage joint (4) is 5mm, the thickness of described first extruded sheet (5-1) and the second extruded sheet (5-2) is 20mm, spacing between described first main shrinkage joint (3-1) and the second main shrinkage joint (3-2) is 15m ~ 25m, spacing 3.5m ~ 4.5m between secondary shrinkage joint (4).
2. the cement concrete expansion joint structure of Ground according to claim 1, is characterized in that: the thickness of described first concrete plate (2-1), the second concrete plate (2-2) and the 3rd concrete plate (2-3) is 150 ~ 300mm.
3. the cement concrete expansion joint structure of Ground according to claim 1, it is characterized in that: top 1/3 thickness range at described first main shrinkage joint (3-1) and the second main shrinkage joint (3-2) is filled by flexible filler (6) and flexible sealing material (7), described first main shrinkage joint (3-1) bottom 2/3 thickness range is filled by the first extruded sheet (5-1), described second main shrinkage joint (3-2) bottom 2/3 thickness range is filled by the second extruded sheet (5-2), described first extruded sheet (5-1) is tilted 4 ° ~ 6 ° to the first concrete plate (2-1) inner side, described second extruded sheet (5-2) is tilted 4 ° ~ 6 ° to the second concrete plate (2-2) inner side.
4. the cement concrete expansion joint structure of Ground according to claim 1, is characterized in that: described flexible sealing material (7) is pitch ointment or PU glue.
5. the cement concrete expansion joint structure of Ground according to claim 1, is characterized in that: flexible filler (6) is flax silk or foam strip.
6. the implementation method of the cement concrete expansion joint structure of the Ground as described in any one of claim 1-5, is characterized in that: comprise the following steps:
Step one: the bed course (1) of laying, ground grading;
Step 2: template is set, the template of bottom 2/3 thickness range tilts 4 ° ~ 6 ° to the inside, and the template in the thickness range of top 1/3 is vertically arranged, and builds the first concrete plate (2-1) and the second concrete plate (2-2); First concrete plate (2-1) and the second concrete plate (2-2) solidify rear form removal, adopt cutting machine to cut directly by its edge; The first extruded sheet (5-1) and the second extruded sheet (5-2) is pasted at the slot sidewall of bottom 2/3 thickness range of the first concrete plate (2-1) and the second concrete plate (2-2);
Step 3: build the 3rd concrete plate (2-3); Water seasoning concrete plate, adopts cutting machine to cut out gap and time shrinkage joint (4) of the first main shrinkage joint (3-1) and the second main shrinkage joint (3-2) top 1/3 thickness range successively;
Step 4: adopt dust catcher to eliminate building waste in the first main shrinkage joint (3-1) and the second gap, main shrinkage joint (3-2) top 1/3 and secondary shrinkage joint (4), then in shrinkage joint, fill out embedding flexible filler (6) and flexible sealing material (7) successively, namely complete.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310165362.1A CN103233408B (en) | 2013-05-08 | 2013-05-08 | A kind of cement concrete expansion joint structure of Ground and implementation method thereof |
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| CN201310165362.1A CN103233408B (en) | 2013-05-08 | 2013-05-08 | A kind of cement concrete expansion joint structure of Ground and implementation method thereof |
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| CN103233408A CN103233408A (en) | 2013-08-07 |
| CN103233408B true CN103233408B (en) | 2015-11-11 |
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| CN201310165362.1A Expired - Fee Related CN103233408B (en) | 2013-05-08 | 2013-05-08 | A kind of cement concrete expansion joint structure of Ground and implementation method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104912223A (en) * | 2015-05-25 | 2015-09-16 | 苏州建鑫建设集团有限公司 | Accessible roof deformation joint structure |
| CN107558359B (en) * | 2016-06-30 | 2021-01-15 | 上海英谷桥梁科技有限公司 | Comb-tooth type multidirectional displacement bridge expansion device |
| CN110241675B (en) * | 2019-07-11 | 2021-03-30 | 江苏江达生态环境科技有限公司 | Construction method for construction joint and expansion joint of colored asphalt permeable concrete pavement |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388016A (en) * | 1981-06-02 | 1983-06-14 | Construction Materials, Inc. | Expansion joint and seal for use in concrete structures |
| CN101078241A (en) * | 2007-07-19 | 2007-11-28 | 河北建设集团有限公司 | Pouring concrete separating crack structure and construction method thereof |
| CN101476382A (en) * | 2009-01-21 | 2009-07-08 | 中建五局第三建设有限公司 | Construction method for large area concrete terrace angle steel corner protector dividing joint |
| CN201506946U (en) * | 2009-05-21 | 2010-06-16 | 赵树青 | Expansion joint on cement concrete pavement |
| CN101876184A (en) * | 2010-06-23 | 2010-11-03 | 河北省第二建筑工程公司 | Construction method of expansion joint of pool |
| CN203212975U (en) * | 2013-05-08 | 2013-09-25 | 江苏永泰建造工程有限公司 | Cement concrete expansion joint structure for large-area floors |
-
2013
- 2013-05-08 CN CN201310165362.1A patent/CN103233408B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4388016A (en) * | 1981-06-02 | 1983-06-14 | Construction Materials, Inc. | Expansion joint and seal for use in concrete structures |
| CN101078241A (en) * | 2007-07-19 | 2007-11-28 | 河北建设集团有限公司 | Pouring concrete separating crack structure and construction method thereof |
| CN101476382A (en) * | 2009-01-21 | 2009-07-08 | 中建五局第三建设有限公司 | Construction method for large area concrete terrace angle steel corner protector dividing joint |
| CN201506946U (en) * | 2009-05-21 | 2010-06-16 | 赵树青 | Expansion joint on cement concrete pavement |
| CN101876184A (en) * | 2010-06-23 | 2010-11-03 | 河北省第二建筑工程公司 | Construction method of expansion joint of pool |
| CN203212975U (en) * | 2013-05-08 | 2013-09-25 | 江苏永泰建造工程有限公司 | Cement concrete expansion joint structure for large-area floors |
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Inventor after: Li Yongkui Inventor before: Jiang Fengchang Inventor before: Xi Youfang Inventor before: Ju Pingguo Inventor before: Zhou Guixiang Inventor before: Jiang Ye Inventor before: Ding Jiancheng Inventor before: Zhu Shuiyong Inventor before: Guan Qiaobing Inventor before: Shen Bingrui |
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Free format text: CORRECT: INVENTOR; FROM: JIANG FENGCHANG XI YOUFANG JU PINGGUO ZHOU GUIXIANG JIANG YE DING JIANCHENG ZHU SHUIYONG GUAN QIAOBING SHEN BINGRUI TO: LI YONGKUI |
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Effective date of registration: 20150827 Address after: 200092, building 9, building A, Tongji Building, No. 1, Zhangwu Road, Shanghai, Yangpu District, Tongji University, room 916, Institute of complex engineering management Applicant after: Li Yongkui Address before: 225700 2 shops, Jiuzhou City, five mile east road, Xinghua, Jiangsu, Taizhou 6-22 Applicant before: Jiangsu Yongtai Construction Engineering Co., Ltd. Applicant before: Jiang Fengchang |
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