Double-optimization design of trapezoidal canals considering frost-heave resistance and hydraulic section

XU Hu-cheng; LIU Yu-xin; WANG Yi; HAN Xiao-feng; DINA Tursun Ali

doi:10.11779/CJGE2022S2044

Volume 44 Issue S2

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Chinese Journal of Geotechnical Engineering > 2022 > 44(S2): 203-206. > DOI: 10.11779/CJGE2022S2044

XU Hu-cheng, LIU Yu-xin, WANG Yi, HAN Xiao-feng, DINA Tursun Ali. Double-optimization design of trapezoidal canals considering frost-heave resistance and hydraulic section[J]. Chinese Journal of Geotechnical Engineering, 2022, 44(S2): 203-206. DOI: 10.11779/CJGE2022S2044

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Double-optimization design of trapezoidal canals considering frost-heave resistance and hydraulic section

1.
Xinjiang Irtysh River Investment and Development (Group) Co., Ltd., Urumqi 830000, China
2.
College of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China
3.
Geotechnical Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210024, China

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Received Date: December 07, 2022
Available Online: March 26, 2023

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Abstract

Abstract

The linings of trapezoidal concrete canals in cold regions are prone to frost-heave damage, and both the frost-heave resistance and the water transport efficiency should be taken into account in the design of section. The frost-heave failure of a trapezoidal canal is analyzed by using the coupled analysis model for coupled heat-moisture-stress, and the frost-heave deformation and stress distribution are summarized. Then, the hydraulic design parameters and the anti-frost-heave design parameters of the canal are optimized with the two objectives. According to the requirements of the anti-frost-heave design code of the canal, the double-optimization design section of the water transport canal in the cold regionos is proposed.
- frost-heave resistance,
- hydraulic optimization,
- trapezoidal canal,
- coupled heat-moisture-stress

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References

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