CN103195248B - A kind of construction method for building high altitudes and cold area concrete winter - Google Patents
A kind of construction method for building high altitudes and cold area concrete winter Download PDFInfo
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- CN103195248B CN103195248B CN201310119519.7A CN201310119519A CN103195248B CN 103195248 B CN103195248 B CN 103195248B CN 201310119519 A CN201310119519 A CN 201310119519A CN 103195248 B CN103195248 B CN 103195248B
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- 238000010276 construction Methods 0.000 title claims abstract description 31
- 238000009413 insulation Methods 0.000 claims abstract description 61
- 238000009415 formwork Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 11
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 5
- 230000001070 adhesive effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 230000015271 coagulation Effects 0.000 abstract description 3
- 238000005345 coagulation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention discloses a kind of concrete construction method, especially disclosing a kind of construction method for building high altitudes and cold area concrete winter, belonging to civil engineering design field.Thering is provided a kind of constructing operation convenient, the construction method for building high altitudes and cold area concrete winter of continuity insulation being carried out the concrete after having built.Described construction method by carry out concrete build operation before, first paste the insulation layer that a layer thickness is not less than 2.5 ㎝ in the inner side of the qualified concrete-pouring template of erection, and then carry out describedly concretely building, coagulation forming and the insulation of postorder curing time.
Description
Technical field
The present invention relates to a kind of concrete construction method, especially relating to a kind of construction method for building high altitudes and cold area concrete winter, belonging to civil engineering design field.
Background technology
In concrete engineering construction, Insulation choose the development being not only related to early age strength of concrete, also affect the generation of inside concrete temperature rise and external crack.Heat-insulating property is not enough, and concrete may be endured cold and affect performance, causes that dehydration is too fast also may produce drying shrinkage crack simultaneously; Heat-insulating property is excessive, and concrete maximum temperature rises, and likely suffers again " cold hit " when form removal and produces thermal cracking.And in high altitudes and cold area, the duration in winter is generally 4 ~ 6 months, and monthly mean temperature is lower, so how the concrete work in high altitudes and cold area chooses appropriate Insulation, is that engineering circles is extremely paid close attention to, a very thorny again problem.
At present, in the heat preserving method mainly Surgery therapy method of high altitudes and cold area concrete winter construction, namely before concrete warehousing, first set up template, and utilize arc lamp to bake inside hot-die plate, outside template, paste the thick plastic, thermal-insulation plate of about 10cm simultaneously, after concrete warehousing has been built, cover the thick thermal insulating coiled material of 5cm or insulation quilt at the upper surface of concrete germinal layer, after concrete formation 3 ~ 5 days strippings, utilize hanging basket to paste the thick plastic, thermal-insulation plate of about 10cm at form removal position.
The method is more conventional in general area, but in high altitudes and cold area winter construction, the thermal insulating coiled material of the upper surface of concrete germinal layer or insulation quilt are difficult to ensure heat insulation effect, in the place that thermal insulating coiled material or insulation quilt overlap, inside concrete thermal loss is comparatively serious, and sleet and construction water easily infiltrate in template, are formed icing when nighttime temperature is extremely low or there's a sudden fall in temperature, destroy concrete performance, form concrete defect; Utilize after form removal hanging basket work high above the ground paste the method for plastic, thermal-insulation plate time-consuming, to take a lot of work and safety is poor, meanwhile, complete to paste heat-preserving material from stripping, be incubated in this process and do not have a continuity, easily make concrete suffer " cold hit " and produce crack.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of constructing operation convenient, can carry out the construction method for building high altitudes and cold area concrete winter of continuity insulation to the concrete after having built.
For solving the problems of the technologies described above adopted technical scheme be: a kind of construction method for building high altitudes and cold area concrete winter, comprises the following steps,
1) template is set up, the concrete size of building as required erection formwork for placing;
2) adhesive insulating layer, table is first pasted the insulation layer that a layer thickness is not less than 2.5 ㎝ in the formwork for placing that erection is qualified, and then pastes one deck geomembrane in the outside of described insulation layer;
3) concreting, by existing construction technology to concreting in above-mentioned formwork for placing, and is building the insulation layer qualified concrete upper surface covering a layer thickness and be not less than 2.5 ㎝;
4) formwork for placing is removed, after concrete setting shaping 3 ~ 5, formwork for placing described in dismounting, and make described insulation layer be attached on described concrete, proceed to be incubated till reaching predetermined curing time to concrete, so just complete in the winter time once to the concrete pouring construction in described high altitudes and cold area.
Further, described insulation layer is the composition of one or more in polystyrene board, foam coiled material, insulation quilt.
Further, the thickness being pasted onto the insulation layer on described formwork for placing inner surface is 3.0 ㎝, and the thickness of geomembrane is 0.01 ㎝.
Further, when building qualified concrete upper surface covering and heat insulating layer, first cover one deck geomembrane at described concrete upper surface.
Further, the thickness of the insulation layer covered on described concrete upper surface is 3.0 ㎝.
Further, the material of described insulation layer is the composition of one or more in polystyrene board, foam coiled material, insulation quilt.
The invention has the beneficial effects as follows: by carry out concrete build operation before, first paste the insulation layer that a layer thickness is not less than 2.5 ㎝ in the inner side of the qualified concrete-pouring template of erection, and then carry out describedly concretely building, coagulation forming and the insulation of postorder curing time.Like this, because insulation layer is arranged on the inner surface of formwork for placing, thus the insulation layer after making described concreting complete is positioned at concrete direct lateral, centre no longer between be separated with formwork for placing, just do not have loosening lap joint, reduce the thermal loss of concrete in process of setting greatly yet.And after the shaping dismounting formwork for placing of described concrete setting, the insulation layer adhered on described concrete external surface described in one deck can be ensured again, and do not need again to adopt the artificial adhesive insulating layer of hanging basket, and then enable the insulation of described concrete postorder keep continuous, what avoid due to insulation to greatest extent is discontinuous, and the concrete caused suffers " cold hit " and produces crack.
Detailed description of the invention
For solving the technical problem that concrete exists in insulation in prior art, the invention provides a kind of constructing operation and facilitating, the construction method for building high altitudes and cold area concrete winter of continuity insulation being carried out the concrete after having built.Described construction method comprises the following steps,
1) template is set up, the concrete size of building as required erection formwork for placing;
2) adhesive insulating layer, table is first pasted the insulation layer that a layer thickness is not less than 2.5 ㎝ in the formwork for placing that erection is qualified, and then pastes one deck geomembrane in the outside of described insulation layer;
3) concreting, by existing construction technology to concreting in above-mentioned formwork for placing, and is building the insulation layer qualified concrete upper surface covering a layer thickness and be not less than 2.5 ㎝;
4) formwork for placing is removed, after concrete setting shaping 3 ~ 5, formwork for placing described in dismounting, and make described insulation layer be attached on described concrete, proceed to be incubated till reaching predetermined curing time to concrete, so just complete in the winter time once to the concrete pouring construction in described high altitudes and cold area.Above by carry out concrete build operation before, first paste the insulation layer that a layer thickness is not less than 2.5 ㎝ in the inner side of the qualified concrete-pouring template of erection, and then carry out describedly concretely building, coagulation forming and the insulation of postorder curing time.Like this, because insulation layer is arranged on the inner surface of formwork for placing, thus the insulation layer after making described concreting complete is positioned at concrete direct lateral, centre no longer between be separated with formwork for placing, just do not have loosening lap joint, reduce the thermal loss of concrete in process of setting greatly yet.And after the shaping dismounting formwork for placing of described concrete setting, the insulation layer adhered on described concrete external surface described in one deck can be ensured again, and do not need again to adopt the artificial adhesive insulating layer of hanging basket, and then enable the insulation of described concrete postorder keep continuous, what avoid due to insulation to greatest extent is discontinuous, and the concrete caused suffers " cold hit " and produces crack.
In above-mentioned embodiment, in order to reduce construction cost, meanwhile, can ensure very much again described concrete heat insulation effect, described insulation layer adopts the composition of one or more in existing polystyrene board, foam coiled material, insulation quilt; And the thickness of the insulation layer be pasted onto on described formwork for placing inner surface is 3.0 ㎝, the thickness of geomembrane is 0.01 ㎝.Meanwhile, in order to make described upper surface can not be damaged and affect surface quality when covering and heat insulating layer, when building qualified concrete upper surface covering and heat insulating layer, first one deck geomembrane be covered at described concrete upper surface; And the thickness of the insulation layer covered on described concrete upper surface also adopts 3.0 ㎝, like this, the logical versatility meeting insulation layer, makes construction become very convenient, can play good insulation again to described concrete.
In sum, after described construction method of the present invention, both enhanced concrete heat insulation effect, and made described concrete quality control become easy, and made again operation become easily simple, thus reduce operating risk greatly, meanwhile, can also effectively save heat insulating material, reduce construction cost, and to concrete upper surface and side all noiseless, be incubated continuous and be easy to ensure concrete performance, being particularly suitable for high altitudes and cold area.
Claims (5)
1., for building a construction method for high altitudes and cold area concrete winter, it is characterized in that: comprise the following steps,
1) template is set up, the concrete size of building as required erection formwork for placing;
2) adhesive insulating layer, the inner surface setting up qualified formwork for placing is first pasted the insulation layer that a layer thickness is not less than 2.5 ㎝, and then pastes one deck geomembrane in the outside of described insulation layer;
3) concreting, by existing construction technology to concreting in above-mentioned formwork for placing, and is building the insulation layer qualified concrete upper surface covering a layer thickness and be not less than 2.5 ㎝;
4) formwork for placing is removed, until concrete setting after shaping 3 ~ 5 days, formwork for placing described in dismounting, and make above-mentioned steps 2) and step 3) in insulation layer be attached on the described concrete of corresponding site respectively, proceed to be incubated till reaching predetermined curing time to described concrete, so just complete in the winter time once to the concrete pouring construction in described high altitudes and cold area
When building qualified concrete upper surface covering and heat insulating layer, first cover one deck geomembrane at described concrete upper surface.
2. a kind of construction method for building high altitudes and cold area concrete winter according to claim 1, is characterized in that: above-mentioned steps 2) and step 3) described in insulation layer be the composition of one or more in polystyrene board, foam coiled material, insulation quilt.
3. a kind of construction method for building high altitudes and cold area concrete winter according to claim 1, is characterized in that: the thickness being pasted onto the insulation layer on described formwork for placing inner surface is 3.0 ㎝, and the thickness of geomembrane is 0.01 ㎝.
4. a kind of construction method for building high altitudes and cold area concrete winter according to claim 1, is characterized in that: the thickness covering the insulation layer on described concrete upper surface is 3.0 ㎝.
5. a kind of construction method for building high altitudes and cold area concrete winter according to claim 4, is characterized in that: above-mentioned steps 2) and step 3) described in the material of insulation layer be the composition of one or more in polystyrene board, foam coiled material, insulation quilt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310119519.7A CN103195248B (en) | 2013-04-08 | 2013-04-08 | A kind of construction method for building high altitudes and cold area concrete winter |
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| CN201310119519.7A CN103195248B (en) | 2013-04-08 | 2013-04-08 | A kind of construction method for building high altitudes and cold area concrete winter |
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| CN103195248A CN103195248A (en) | 2013-07-10 |
| CN103195248B true CN103195248B (en) | 2015-08-26 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105239677A (en) * | 2015-10-27 | 2016-01-13 | 中国水利水电科学研究院 | Concrete overwintering heat insulation method in cold regions |
| CN106285006A (en) * | 2016-08-31 | 2017-01-04 | 绍兴职业技术学院 | A kind of cold district concreting in cold-weather method |
| CN108316249A (en) * | 2018-03-13 | 2018-07-24 | 中水北方勘测设计研究有限责任公司 | Overwintering storehouse surface insulation construction for severe cold area grinding coagulation soil |
| CN108843023B (en) * | 2018-07-21 | 2020-08-14 | 四川启创建设工程有限公司 | Concrete construction method in cold region in low-temperature season |
| CN109487790A (en) * | 2018-12-24 | 2019-03-19 | 中水电第十工程局（郑州）有限公司 | A kind of concrete heat-insulating method suitable for the big temperature difference area of High aititude |
| CN113622693A (en) * | 2021-09-14 | 2021-11-09 | 中国二十二冶集团有限公司 | Cast-in-place concrete column heat preservation freeze-proof device |
| CN114960563A (en) * | 2022-04-29 | 2022-08-30 | 宜昌天宇科技有限公司 | Anti-aging structure and method along with increase of strength of dam concrete for long time |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459395Y (en) * | 2000-12-04 | 2001-11-14 | 北京市城市建设工程研究院 | Form for in-situ cast concrete and outer thermo-insulation integral construction |
| JP2002339469A (en) * | 2001-03-08 | 2002-11-27 | Takahashi Curtain Wall Kogyo Kk | Precast concrete panel and its manufacturing method |
| JP3685495B2 (en) * | 2003-02-10 | 2005-08-17 | 株式会社テスク | Moisture-proof and heat-insulating wall panel and concrete wall construction method |
| CN102086670A (en) * | 2009-12-08 | 2011-06-08 | 上海汉鑫硬质合金有限公司 | Energy-saving and heat-preserving construction method for building wall body |
-
2013
- 2013-04-08 CN CN201310119519.7A patent/CN103195248B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2459395Y (en) * | 2000-12-04 | 2001-11-14 | 北京市城市建设工程研究院 | Form for in-situ cast concrete and outer thermo-insulation integral construction |
| JP2002339469A (en) * | 2001-03-08 | 2002-11-27 | Takahashi Curtain Wall Kogyo Kk | Precast concrete panel and its manufacturing method |
| JP3685495B2 (en) * | 2003-02-10 | 2005-08-17 | 株式会社テスク | Moisture-proof and heat-insulating wall panel and concrete wall construction method |
| CN102086670A (en) * | 2009-12-08 | 2011-06-08 | 上海汉鑫硬质合金有限公司 | Energy-saving and heat-preserving construction method for building wall body |
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Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Applicant after: Chengdu Hydroelectric Investigation & Design Institute of SPC Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Applicant before: Chengdu Hydroelectric Investigation & Design Institute of China Hydropower Consu |
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Address after: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Applicant after: Co., Ltd of Chengdu survey and design academy of electricity Jian group of China Address before: The North Qingyang District of Chengdu City, Sichuan Province, No. 610072 Applicant before: Chengdu Hydroelectric Investigation & Design Institute of SPC |
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Effective date of registration: 20210218 Address after: Room 21, 13th floor, Changxing international building, Beijing Avenue, Liuwu New District, Lhasa City, Tibet Autonomous Region 850012 Patentee after: Tibet electric power Jiancheng Exploration Institute Engineering Co.,Ltd. Address before: No.1 Huanhua North Road, Qingyang District, Chengdu, Sichuan 610072 Patentee before: China Power Construction Group Chengdu Survey and Design Research Institute Co.,Ltd. |
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