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首页> 外文会议>GEO-DENVER 2007 >Influence of Penetration Rate on Measured Resistance with Full Flow Penetrometers in Soft Clay
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Influence of Penetration Rate on Measured Resistance with Full Flow Penetrometers in Soft Clay

机译：渗透率对全黏度渗透仪在软黏土中测电阻的影响

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摘要

In recent years full-flow probes, such as the Ball and T-bar penetrometers, have been investigated as alternative in situ tests to the peizocone (CPTu) and the vane shear test (VST). These penetrometers do not require correction for overburden pressure and have the potential to provide more accurate undrained and remolded undrained shear strength measurements in soft sediments. This paper summarizes a portion of a research program that is utilizing a number of highly characterized test sites to comprehensively evaluate aspects of the full flow penetrometers. The results presented herein are used to consider the effect of penetration rate on the determination of the undrained and remolded strength. Twitch and cyclic tests are employed during initial penetration and after cycling. Results are analyzed with respect to normalized velocity for both ball and t-bar full-flow penetrometers.
机译：近年来，已经对全流量探头（例如Ball和T型杆渗透仪）进行了研究，以作为对Peizocone（CPTu）和叶片剪切测试（VST）的替代原位测试。这些渗透仪不需要校正上覆压力，并有潜力在软质沉积物中提供更准确的不排水和重塑不排水剪切强度测量值。本文总结了一部分研究计划，该计划正在利用许多具有高度特征的测试站点来全面评估全流量渗透计的各个方面。本文介绍的结果用于考虑渗透率对确定不排水和重塑强度的影响。在初次穿透和循环后进行抽搐和循环测试。针对球形和T型杆全流量渗透仪的归一化速度分析结果。

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