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method for micropile pullou

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l-and-z 发表于 2008-12-27 14:38:09 | 显示全部楼层 |阅读模式
本帖最后由 三T上人 于 2016-7-22 11:06 编辑 <br /><br />method for micropile pullou

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method for micropile pullout.pdf

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本帖最后由 三T上人 于 2016-7-22 11:06 编辑 <br /><br />牛牛牛牛  

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本帖最后由 三T上人 于 2016-7-22 11:06 编辑 <br /><br />Simplified Analysis Method for Micropile Pullout Behavior,这才是这份期刊文章的原本名称,和楼主的意境相差较远哟!

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本帖最后由 三T上人 于 2016-7-22 11:06 编辑 <br /><br />我等你哟!  

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abuhan 发表于 2022-2-23 19:30:32 | 显示全部楼层
Simplified Analysis Method for Micropile Pullout Behavior
Anil Misra, M.ASCE1
; C.-H. Chen, A.M.ASCE2
; Raj Oberoi3
; and Andy Kleiber4
Abstract: Micropiles are being applied in foundation rehabilitation projects to enhance the pullout capacity of the existing foundation
system and minimize the vertical deflection of the structures. Consequently, the pullout load-displacement behavior is important for the
design of micropiles used for the rehabilitation of foundations subjected to pullout. In this paper, we present and evaluate analytical
relationships for micropile pullout load-displacement behavior, which explicitly considers the micropile–soil interaction. The analytical
relationships are kept simple and accessible to designers by assuming the micropile–soil interface to be elastoplastic. The model parameters are combined into scaling factors and a normalization factor that are found to significantly influence micropile load-displacement
behavior. The closed-form analytical relationships are used to study the effect of model parameters on the predicted micropile yield
behavior. The micropile load transfer behavior calculated by the model is discussed. The model is shown to replicate the field measured
load-displacement curves for two cases. A variety of cases are analyzed to study the effect of grout pressure on micropile–soil interface
parameters.
DOI: 10.1061/(ASCE)1090-0241(2004)130:10(1024)
CE Database subject headings: Micropiles; Pullout behavior; Load-displacement relation; Mathematical model; Soil-structure
interaction; Foundation retrofit; Load transfer.
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