A study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions
In this study, the channel frost heaving actions in the Hetao irrigation area of Inner Mongolia were examined and a field in-situ test platform was established. Then, experimental investigations were conducted regarding the insulating and anti-freeze effects of polystyrene boards under the condition...
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IWA Publishing
2021
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oai:doaj.org-article:5cef9dc945934ea9846724c0120678ec2021-11-05T20:18:23ZA study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions1366-70171996-975910.2166/wp.2021.127https://doaj.org/article/5cef9dc945934ea9846724c0120678ec2021-08-01T00:00:00Zhttp://wp.iwaponline.com/content/23/4/1030https://doaj.org/toc/1366-7017https://doaj.org/toc/1996-9759In this study, the channel frost heaving actions in the Hetao irrigation area of Inner Mongolia were examined and a field in-situ test platform was established. Then, experimental investigations were conducted regarding the insulating and anti-freeze effects of polystyrene boards under the conditions of concrete bags with different thicknesses. In this study's experiments, concrete bags with different thicknesses were set, along with a test block of polystyrene boards with different thicknesses. The research results showed that by adding 2–5 cm molded bags, the total accumulated temperature increased in the range of 3.93–9.22% and the frost heave rate decreased by between 18.28 and 55.44% concrete, on the basis of 10 cm molded bag concrete. In addition, when 4–8 cm polystyrene boards were laid, the total accumulated temperature increased by 207.63–272.25%, and the frost heave rate decreased by between 71.43 and 96.6%. The absolute slope of the curve fitting of the frost heave rates and the soil temperatures decreased by 44.6–58.7%. HIGHLIGHTS The results show that, the biggest bending moment of channel slope is in the 1/3 of canal slope, the biggest shear is in the toe of slope, the biggest bending moment of canal bottom is in the 1/2 of the Canal bottom.; According to the judgment of Typical Channel, frost heaving damage will occur on the slope and bottom of the South Branch Canal without taking insulation measures.;Fuqiang GuoGangtie LiManjin ChengIWA Publishingarticlefrost heave ratesheat preservation and anti-freezing technologymolded bag concretepolystyrene boardRiver, lake, and water-supply engineering (General)TC401-506ENWater Policy, Vol 23, Iss 4, Pp 1030-1043 (2021) |
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DOAJ |
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DOAJ |
| language |
EN |
| topic |
frost heave rates heat preservation and anti-freezing technology molded bag concrete polystyrene board River, lake, and water-supply engineering (General) TC401-506 |
| spellingShingle |
frost heave rates heat preservation and anti-freezing technology molded bag concrete polystyrene board River, lake, and water-supply engineering (General) TC401-506 Fuqiang Guo Gangtie Li Manjin Cheng A study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions |
| description |
In this study, the channel frost heaving actions in the Hetao irrigation area of Inner Mongolia were examined and a field in-situ test platform was established. Then, experimental investigations were conducted regarding the insulating and anti-freeze effects of polystyrene boards under the conditions of concrete bags with different thicknesses. In this study's experiments, concrete bags with different thicknesses were set, along with a test block of polystyrene boards with different thicknesses. The research results showed that by adding 2–5 cm molded bags, the total accumulated temperature increased in the range of 3.93–9.22% and the frost heave rate decreased by between 18.28 and 55.44% concrete, on the basis of 10 cm molded bag concrete. In addition, when 4–8 cm polystyrene boards were laid, the total accumulated temperature increased by 207.63–272.25%, and the frost heave rate decreased by between 71.43 and 96.6%. The absolute slope of the curve fitting of the frost heave rates and the soil temperatures decreased by 44.6–58.7%. HIGHLIGHTS
The results show that, the biggest bending moment of channel slope is in the 1/3 of canal slope, the biggest shear is in the toe of slope, the biggest bending moment of canal bottom is in the 1/2 of the Canal bottom.;
According to the judgment of Typical Channel, frost heaving damage will occur on the slope and bottom of the South Branch Canal without taking insulation measures.; |
| format |
article |
| author |
Fuqiang Guo Gangtie Li Manjin Cheng |
| author_facet |
Fuqiang Guo Gangtie Li Manjin Cheng |
| author_sort |
Fuqiang Guo |
| title |
A study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions |
| title_short |
A study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions |
| title_full |
A study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions |
| title_fullStr |
A study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions |
| title_full_unstemmed |
A study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions |
| title_sort |
study of the insulating and anti-frost heave effects of polystyrene boards under molded bag concrete conditions |
| publisher |
IWA Publishing |
| publishDate |
2021 |
| url |
https://doaj.org/article/5cef9dc945934ea9846724c0120678ec |
| work_keys_str_mv |
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