LI Jian-min, TENG Yan-jing. Regularity and calculation method of rebound deformation and recompression deformation of soil based on bearing test[J]. 2018, 39(S1): 113-121.
DOI:
LI Jian-min, TENG Yan-jing. Regularity and calculation method of rebound deformation and recompression deformation of soil based on bearing test[J]. 2018, 39(S1): 113-121.DOI: 10.16285/j.rsm.2018.0576.
Regularity and calculation method of rebound deformation and recompression deformation of soil based on bearing test
The application of bearing test achievement is determining deformation properties of foundation soil or to calculate modulus of deformation and ultimate load etc. The phase of unloading and reloading of bearing test is researched through unloading ratio
rebound proportion
reloading ratio
recompression ratio etc. to get the regularity of rebound deformation and recompression deformation; and it is consistent with the law from consolidation test. The characteristics of bearing test can remedy some shortcomings of consolidation test; the exploratory research on applying the bearing test achievement to calculate the rebound deformation and recompression deformation is beneficial. Combined with engineering project
based on the analysis method of consolidation test achievement
some improvement is adopted; and then the new method is applied to calculate the rebound deformation and recompression deformation based on bearing test achievement. Compared the calculating result
the result from original method and the result from engineering measurement
the new calculating method is efficacious. But the shortcoming of the bearing test achievement is obvious; according to the need of new calculating method
some improving suggestions are proposed
so as to point out the direction of the next research step.
Test study of law of recompression deformation of soil
Experimental researches on unloading resilient deformation properties during excavations in Shanghai area
Experimental study on the shear strength of clay under the unloading state
Calculation of layered unloading additional stress of foundation pit based on Mindlin solution and the analysis of multiple factors influencing the rebound deformation
Analysis of metro tunnel deformation by upper excavation unloading considering spatial effect in soft soil
Related Author
TENG Yan-jing
LI Jian-min
YANG Min
LOU Xiao-ming
LI De-ning
HU Zhong -Xiong 2
CHENG Yu-mei 2
PAN Lin-you 1
Related Institution
Institutute of Foundation Engineering,China Academy of Building Research
Department of Geotechnical Engineering, Tongji University
Key Laboratory of Geotechnical and Underground Engineering of Ministry of Education, Tongji University
Architecture and Civil Engineering College, Wenzhou University
Departement of Geotechnical Engineering,Tongji University