A rapid prediction method for deterioration depth of cement-solidified marine soft soils

WANG Man; YANG Junjie; WU Yalei; WANG Zimou

doi:10.11779/CJGE20230814

Volume 46 Issue 7

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Chinese Journal of Geotechnical Engineering > 2024 > 46(7): 1549-1555. > DOI: 10.11779/CJGE20230814

WANG Man, YANG Junjie, WU Yalei, WANG Zimou. A rapid prediction method for deterioration depth of cement-solidified marine soft soils[J]. Chinese Journal of Geotechnical Engineering, 2024, 46(7): 1549-1555. DOI: 10.11779/CJGE20230814

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A rapid prediction method for deterioration depth of cement-solidified marine soft soils

WANG Man^{1, 2,},
YANG Junjie^{1, 2},
WU Yalei^{1, 2, ,},
WANG Zimou^{1, 2}

1.
Key Laboratory of Marine Environment and Ecology of the Ministry of Education, Ocean University of China, Qingdao 266100, China
2.
College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China

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Received Date: August 21, 2023
Available Online: November 29, 2023

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Abstract

Abstract

The deterioration depth is a relatively simple index to evaluate the deterioration degree of solidified soils. The practical prediction method for the deterioration depth of solidified soils is in the form of power function based on the results of the conventional deterioration tests, while the longer the corrosion time and the deeper the deterioration depth, the more accurate the predicted results. The deterioration of solidified soils is a lengthy process, and the accelerated deterioration tests for high concentration corrosive media can shorten the test period and obtain rapid prediction of the deterioration depth. The deterioration test results of cement-solidified marine soft soils indicate that there is a linear relationship between the 28 d accelerated deterioration test of erosion soil prepared with 3 times seawater concentration and the 360 d deterioration depth of the conventional deterioration tests. Then based on the equivalent relationship between them and the power function formula for predicting the deterioration depth, a rapid prediction method for the deterioration depth of cement-stabilized marine soft soils is proposed, and the predicted development trend of the deterioration depth is consistent with the measured results. The rapid prediction method for the deterioration depth of solidified soils based on the accelerated deterioration test results in the power function form is feasible and practical. The research idea is of certain reference significance for the researches on the similar deterioration problems.
- cement soil,
- marine soft soil,
- accelerated deterioration test,
- equivalent deterioration depth,
- rapid prediction

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References (39)

References

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