CN103195248A - Construction method for pouring concrete in high cold high-altitude area in winter - Google Patents
Construction method for pouring concrete in high cold high-altitude area in winter Download PDFInfo
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- CN103195248A CN103195248A CN2013101195197A CN201310119519A CN103195248A CN 103195248 A CN103195248 A CN 103195248A CN 2013101195197 A CN2013101195197 A CN 2013101195197A CN 201310119519 A CN201310119519 A CN 201310119519A CN 103195248 A CN103195248 A CN 103195248A
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Abstract
The invention discloses a construction method of concrete, particularly discloses a construction method for pouring concrete in a high cold high-altitude area in winter and belongs to the technical field of civil construction design. The construction method is convenient to construct and operate and capable of conducting continuous heat preservation on poured concrete. Before pouring operation of the concrete is conducted, a layer of heat preservation layer with thickness not smaller than 2.5 cm is adhered to the inner side of an erected and qualified concrete pouring template, and then pouring, solidification and molding and heat preservation of the concrete in a follow-up curing period are conducted.
Description
Technical field
The present invention relates to a kind of Concrete Construction method, especially relate to a kind ofly for building high and cold high altitude localities Concrete Construction method winter, belong to the civil engineering design field.
Background technology
In concrete engineering construction, be incubated the development that not only is related to early age strength of concrete of choosing of measure, also affect the generation of inside concrete temperature rise and external crack.The heat-insulating property deficiency, concrete may be endured cold and be influenced performance, causes the too fast drying shrinkage crack that also may produce of dehydration simultaneously; Heat-insulating property is excessive, and the concrete maximum temperature rises, and might suffer " cold hitting " again and produce thermal cracking when form removal.And in high and cold high altitude localities, the duration in winter was generally 4～6 months, and monthly mean temperature is lower, so how the concrete work of high and cold high altitude localities chooses appropriate insulation measure, was that engineering circle is extremely paid close attention to, a very thorny problem again.
At present, thermal-insulating method outside the heat preserving method of high and cold high altitude localities concreting in cold weather mainly is, namely before concrete warehousing, set up template earlier, and utilize arc lamp to bake hot-die plate inboard, paste the thick plastic, thermal-insulation plate in the 10cm left and right sides in the template outside simultaneously, after concrete warehousing is built and is finished, cover thick insulation coiled material or the insulation quilt of 5cm at the upper surface of concrete germinal layer, treat 3～5 days strippings of concrete formation after, utilize hanging basket to paste the thick plastic, thermal-insulation plate in the 10cm left and right sides at the form removal position.
This method is more commonly used in general area, but in the winter construction of high and cold high altitude localities, insulation coiled material or the insulation quilt of the upper surface of concrete germinal layer are difficult to guarantee heat insulation effect, place at insulation coiled material or insulation quilt overlap joint, the inside concrete thermal loss is comparatively serious, and sleet and construction water infiltrate in the template easily, forms icing when nighttime temperature is extremely low or there's a sudden fall in temperature, destroy concrete performance, form concrete defect; Utilize after the form removal hanging basket work high above the ground paste the method for plastic, thermal-insulation plate time-consuming, take a lot of work and safety relatively poor, simultaneously, finish to the paste heat-preserving material from stripping, be incubated in this process and do not have a continuity, make concrete suffer " cold hitting " easily and produce the crack.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of constructing operation convenient, to build concrete after finishing can carry out the continuity insulation be used for build high and cold high altitude localities Concrete Construction method winter.
For solving the problems of the technologies described above the technical scheme that adopts be: a kind ofly may further comprise the steps for building high and cold high altitude localities Concrete Construction method winter,
1) set up template, the concrete size of building is as required set up formwork for placing;
2) adhesive insulating layer is pasted the insulation layer that a layer thickness is not less than 2.5 ㎝ earlier setting up on the interior table of qualified formwork for placing, and then is pasted one deck geomembrane in the outside of described insulation layer;
3) concreting by existing construction technology concreting in the above-mentioned formwork for placing, and covers the insulation layer that a layer thickness is not less than 2.5 ㎝ building qualified concrete upper surface;
4) remove formwork for placing, after treating concrete setting moulding 3～5, remove described formwork for placing, and described insulation layer is attached on the described concrete, concrete proceeded to be incubated till reaching predetermined curing time, so just finished once the concrete pouring construction to described high and cold high altitude localities in the winter time.
Further be that described insulation layer is one or more the composition in polystyrene board, foam coiled material, the insulation quilt.
Further be, the thickness that sticks on the insulation layer on the described formwork for placing inner surface is 3.0 ㎝, and the thickness of geomembrane is 0.01 ㎝.
Further be when building qualified concrete upper surface covering and heat insulating layer, to cover one deck geomembrane at described concrete upper surface earlier.
Further be that the thickness that covers the insulation layer on the described concrete upper surface is 3.0 ㎝.
Further be that the material of described insulation layer is one or more the composition in polystyrene board, foam coiled material, the insulation quilt.
The invention has the beneficial effects as follows: by carry out concrete build operation before, earlier paste the insulation layer that a layer thickness is not less than 2.5 ㎝ in the inboard of setting up qualified concrete casting building mould, 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, thereby make the insulation layer after described concreting is finished be positioned at the concrete direct outside, the centre is separated with formwork for placing between no longer, just do not have loosening lap joint yet, reduced the thermal loss of concrete in process of setting greatly.And after formwork for placing is removed in described concrete setting moulding, can guarantee again to adhere to the described insulation layer of one deck at described concrete external surface, and do not need to adopt again the artificial adhesive insulating layer of hanging basket, and then the insulation that makes described concrete postorder can keep continuous, avoided discontinuous owing to what be incubated to greatest extent, and the concrete that causes suffers " cold hitting " and produce the crack.
The specific embodiment
Concrete is in the technical problem that exists aspect the insulation in the prior art in order to solve, and it is convenient to the invention provides a kind of constructing operation, to build concrete after finishing can carry out the continuity insulation be used for build high and cold high altitude localities Concrete Construction method winter.Described job practices may further comprise the steps,
1) set up template, the concrete size of building is as required set up formwork for placing;
2) adhesive insulating layer is pasted the insulation layer that a layer thickness is not less than 2.5 ㎝ earlier setting up on the interior table of qualified formwork for placing, and then is pasted one deck geomembrane in the outside of described insulation layer;
3) concreting by existing construction technology concreting in the above-mentioned formwork for placing, and covers the insulation layer that a layer thickness is not less than 2.5 ㎝ building qualified concrete upper surface;
4) remove formwork for placing, after treating concrete setting moulding 3～5, remove described formwork for placing, and described insulation layer is attached on the described concrete, concrete proceeded to be incubated till reaching predetermined curing time, so just finished once the concrete pouring construction to described high and cold high altitude localities in the winter time.Above-mentioned by carry out concrete build operation before, earlier paste the insulation layer that a layer thickness is not less than 2.5 ㎝ in the inboard of setting up qualified concrete casting building mould, 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, thereby make the insulation layer after described concreting is finished be positioned at the concrete direct outside, the centre is separated with formwork for placing between no longer, just do not have loosening lap joint yet, reduced the thermal loss of concrete in process of setting greatly.And after formwork for placing is removed in described concrete setting moulding, can guarantee again to adhere to the described insulation layer of one deck at described concrete external surface, and do not need to adopt again the artificial adhesive insulating layer of hanging basket, and then the insulation that makes described concrete postorder can keep continuous, avoided discontinuous owing to what be incubated to greatest extent, and the concrete that causes suffers " cold hitting " and produce the crack.
In the above-mentioned embodiment, in order to reduce construction cost, simultaneously, can guarantee very again to described concrete heat insulation effect that described insulation layer adopts one or more the composition in existing polystyrene board, foam coiled material, the insulation quilt; And the thickness that sticks on the insulation layer on the described formwork for placing inner surface is 3.0 ㎝, and the thickness of geomembrane is 0.01 ㎝.Simultaneously, influence surface quality for described upper surface can be damaged when the covering and heat insulating layer, when building qualified concrete upper surface covering and heat insulating layer, cover one deck geomembrane at described concrete upper surface earlier; And the thickness that covers the insulation layer on the described concrete upper surface also adopts 3.0 ㎝, and like this, the logical versatility that has satisfied insulation layer making construction become very convenient, can play good insulation to described concrete again.
In sum, after the described job practices of the present invention, both strengthened concrete heat insulation effect, described quality of concrete control is become easily, and made operation become easily simple again, thereby reduce operating risk greatly, simultaneously, can also effectively save heat insulating material, reduce construction cost, and all noiseless to concrete upper surface and side, insulation is continuous and be easy to guarantee concrete performance, is particularly suitable for high and cold high altitude localities.
Claims (6)
1. one kind is used for building high and cold high altitude localities Concrete Construction method winter, it is characterized in that: may further comprise the steps,
1) set up template, the concrete size of building is as required set up formwork for placing;
2) adhesive insulating layer is pasted the insulation layer that a layer thickness is not less than 2.5 ㎝ earlier setting up on the interior table of qualified formwork for placing, and then is pasted one deck geomembrane in the outside of described insulation layer;
3) concreting by existing construction technology concreting in the above-mentioned formwork for placing, and covers the insulation layer that a layer thickness is not less than 2.5 ㎝ building qualified concrete upper surface;
4) remove formwork for placing, after treating concrete setting moulding 3～5, remove described formwork for placing, and described insulation layer is attached on the described concrete, concrete proceeded to be incubated till reaching predetermined curing time, so just finished once the concrete pouring construction to described high and cold high altitude localities in the winter time.
2. according to claim 1 a kind of for building high and cold high altitude localities Concrete Construction method winter, it is characterized in that: described insulation layer is one or more the composition in polystyrene board, foam coiled material, the insulation quilt.
3. according to claim 1 a kind of it is characterized in that: the thickness that sticks on the insulation layer on the described formwork for placing inner surface is 3.0 ㎝ for building high and cold high altitude localities Concrete Construction method winter, and the thickness of geomembrane is 0.01 ㎝.
4. according to claim 1 a kind of for building high and cold high altitude localities Concrete Construction method winter, it is characterized in that: when building qualified concrete upper surface covering and heat insulating layer, cover one deck geomembrane at described concrete upper surface earlier.
5. according to claim 4 a kind of for building high and cold high altitude localities Concrete Construction method winter, it is characterized in that: the thickness that covers the insulation layer on the described concrete upper surface is 3.0 ㎝.
6. according to claim 5 a kind of for building high and cold high altitude localities Concrete Construction method winter, it is characterized in that: the material of described insulation layer is one or more the composition in polystyrene board, foam coiled material, the 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 true CN103195248A (en) | 2013-07-10 |
| CN103195248B CN103195248B (en) | 2015-08-26 |
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Cited By (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 |
| CN108843023A (en) * | 2018-07-21 | 2018-11-20 | 四川启创建设工程有限公司 | Extreme cold area in low temperature season concrete construction method |
| 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 |
Cited By (8)
| 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 |
| CN108843023A (en) * | 2018-07-21 | 2018-11-20 | 四川启创建设工程有限公司 | Extreme cold area in low temperature season concrete construction method |
| 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 |
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| CN103195248B (en) | 2015-08-26 |
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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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