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author:

蔡沛辰 (蔡沛辰.) [1] | 阙云 (阙云.) [2] (Scholars:阙云) | 李显 (李显.) [3]

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PKU

Abstract:

选取福州某地原状花岗岩残积土作为研究对象,基于计算机断层扫描(CT)图像与COMSOL Multiphyscis有限元软件,研究原状土样在考虑和不考虑围压时的细观渗流规律.结果表明:两种条件下,计算渗透率都随水压差的增加呈线性降低的关系;考虑围压时,计算渗透率随竖向力呈先急剧到平缓下降,再急剧上升,最后趋于平缓下降的规律.同一时刻,考虑围压时的渗流长度较未考虑时的减少了约16%,速度大小降低了约13%.应力敏感性指数主要受围压控制,水压差对其影响甚微,且不同围压作用下应力敏感性指数呈"Z"字型变化.

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Community:

  • [ 1 ] [蔡沛辰]福州大学
  • [ 2 ] [阙云]福州大学
  • [ 3 ] [李显]福州大学

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2021

Issue: 3

Volume: 49

Page: 400-406

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 6

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