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Analysis of settlements of bored-cast-in-place piles in collapsible soils
Conclusions 1. The proposed method of analysis makes it possible to investigate the behavior of bored-cast-in-place piles interacting with collapsible bases for different complex cases of "soaking" of the soils. 2. The sequence in the "soaking" of the soil base and the application of the load to the pile exerts a determining effect on their settlement. 3. The loading force of "negative" friction depends on the soil base "soaking" scheme, the "soaked" soil layer thickness, the collapsible soil properties, and other factors. 4. The additional pile settlements caused by the "negative" friction forces developed as a result of hanging of the collapsing soil from the pile can be significantly larger than the pile settlements under the load in the absence of collapse. 5. "Soaking" of the collapsible soil base from the bottom in parallel layers is more dangerous for bored-cast-in-place piles than "soaking" from the top.
Analysis of settlements of bored-cast-in-place piles in collapsible soils
Conclusions 1. The proposed method of analysis makes it possible to investigate the behavior of bored-cast-in-place piles interacting with collapsible bases for different complex cases of "soaking" of the soils. 2. The sequence in the "soaking" of the soil base and the application of the load to the pile exerts a determining effect on their settlement. 3. The loading force of "negative" friction depends on the soil base "soaking" scheme, the "soaked" soil layer thickness, the collapsible soil properties, and other factors. 4. The additional pile settlements caused by the "negative" friction forces developed as a result of hanging of the collapsing soil from the pile can be significantly larger than the pile settlements under the load in the absence of collapse. 5. "Soaking" of the collapsible soil base from the bottom in parallel layers is more dangerous for bored-cast-in-place piles than "soaking" from the top.
Analysis of settlements of bored-cast-in-place piles in collapsible soils
Zaretskii, Yu. K. (author) / Karabaev, M. I. (author)
1987
Article (Journal)
English
Local classification TIB:
770/6545/8000
BKL:
56.20
Ingenieurgeologie, Bodenmechanik
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