Results 241 to 250 of about 96,995 (295)

Monkeypox: Skin Lesion Spread From Initial Contact in Three Cases.

Indian J Dermatol
Miao L, Yang G, Yao J, Zhang Y, Hao J.
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Negative skin friction on single piles in collapsible soil

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Negative skin friction on pile groups

International Journal for Numerical and Analytical Methods in Geomechanics, 1990
AbstractA numerical procedure is presented for the downdrag analysis of group piles which penetrate a consolidating upper soil layer to socket into a firm bearing stratum of finite stiffness. The settlement of the consolidating upper soil layer under a surcharge load is estimated using Terzaghi's one‐dimensional consolidation theory.
Y. K. Chow, J. T. Chin, S. L. Lee
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Negative skin friction on rigid and deformable piles

Computers and Geotechnics, 1996
Abstract A simple numerical scheme is used to evaluate the magnitude and form of the negative skin friction on both rigid (e.g. concrete) and deformable (e.g. gravel) piles. The study includes piles extended to bedrock as well as the socalled floating piles.
H.B. Poorooshasb, M. Alamgir, N. Miura
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Negative skin friction and the neutral plane

Canadian Geotechnical Journal, 1994
Current views indicate that negative skin friction on piles can be mobilized at small relative deformations and should be considered in all designs, primarily for serviceability conditions. An elastic-plastic closed-form solution is presented that permits an estimate of down-drag forces and the location of the neutral plane.
Elmer L. Matyas, J. Carlos Santamarina
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Pile Groups under Negative Skin Friction

Journal of Geotechnical Engineering, 1993
This paper describes a simplified hybrid load‐transfer approach for analyzing the response of pile groups under negative skin friction. The response of single piles is evaluated by a discrete‐element approach. The interaction between piles in a group bearing on a Stifter stratum is considered using a modified form of Mindlin's analytical point‐load ...
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Negative Skin Friction on Piles: State of the Art

2021
Pile foundation experiences negative skin friction when the surrounding soil settles more than the pile, which induces an increased compressive force on piles, called drag load, and it also induces settlement in pile called down drag. The drag load acting on the pile reduces shaft capacity to resist the ultimate load. Geotechnical engineers had to deal
Sujawat Singh Rituraj, B. Giridhar Rajesh   +1 more
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Negative Skin Friction on Piles in Layered Soil Deposits

Journal of Geotechnical Engineering, 1995
The authors present a simplified numerical procedure for the analysis of negative skin friction on piles in a layered soil deposit. Pile-soil interface behavior is modeled by nonlinear soil springs. A framework for determining the model parameters from conventional soil tests data has been established.
K. S. Wong, C. I. Teh
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Numerical modelling of negative skin friction on pile groups

Computers and Geotechnics, 1996
Abstract Simplified methods for the analysis of socketed pile groups subject to negative skin friction are reported. In these methods, the piles are modelled using discrete elements with an axial mode of deformation. The soil behaviour is modelled using a hybrid approach in which the soil response at the individual piles is modelled using the ...
Chow, Y.K., Lim, C.H., Karunaratne, G.P.
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