In-situ Test Research on Shear Strength of Cretaceous Mudstone in Jiaodong

Tian Lichuan

doi:10.3969/j.issn.1007-2993.2022.01.014

Volume 36 Issue 1

Feb. 2022

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Tian Lichuan. In-situ Test Research on Shear Strength of Cretaceous Mudstone in Jiaodong[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2022, 36(1): 74-78. doi: 10.3969/j.issn.1007-2993.2022.01.014

Citation:

Tian Lichuan. In-situ Test Research on Shear Strength of Cretaceous Mudstone in Jiaodong[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2022, 36(1): 74-78. doi: 10.3969/j.issn.1007-2993.2022.01.014

Tian Lichuan. In-situ Test Research on Shear Strength of Cretaceous Mudstone in Jiaodong[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2022, 36(1): 74-78. doi: 10.3969/j.issn.1007-2993.2022.01.014

Citation:

Tian Lichuan. In-situ Test Research on Shear Strength of Cretaceous Mudstone in Jiaodong[J]. GEOTECHNICAL ENGINEERING TECHNIQUE, 2022, 36(1): 74-78. doi: 10.3969/j.issn.1007-2993.2022.01.014

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In-situ Test Research on Shear Strength of Cretaceous Mudstone in Jiaodong

doi: 10.3969/j.issn.1007-2993.2022.01.014

Tian Lichuan

China Railway Design Corporation, Tianjin 300308, China

Received Date: 2020-12-04
Publish Date: 2022-02-16

Abstract

Abstract

Cretaceous mudstone is widely distributed in Jiaodong area of China, which has the characteristics of softening and expansion in water, as well as shrinkage and disintegration with water loss. The accuracy of rock shear strength is significant for construction and design of foundation and slope stability. According to the in-situ shear tests and laboratory direct shear tests, the results show that the internal friction coefficient and internal friction angle are basically the same. The cohesion of rock is 10.6 times that of rock mass. The main reasons for differences are poor representativeness, large disturbance, big divergence, size effect, and sample integrity etc. The in-situ shear test can be more truly reflect the actual engineering properties, which is available for engineering design and optimization.
- mudstone,
- shear test of rock mass,
- internal friction angle,
- cohesion

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References

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In-situ Test Research on Shear Strength of Cretaceous Mudstone in Jiaodong

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In-situ Test Research on Shear Strength of Cretaceous Mudstone in Jiaodong

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