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author:

王浩 (王浩.) [1] (Scholars:王浩) | 刘成禹 (刘成禹.) [2] (Scholars:刘成禹) | 陈志波 (陈志波.) [3] (Scholars:陈志波)

Indexed by:

CQVIP PKU CSCD

Abstract:

闽东南沿海花岗岩广泛出露,其矿物成分差异明显,且受区域地质构造和湿热交替气候影响,花岗岩球状风化不良地质及其诱发的工程地质问题极为突出.粒径大小不一的风化球体受外界环境扰动,形成高空落石或坡面滚石,坚硬的风化球与残积土或全风化岩混杂的斜坡受降雨或开挖触发产生崩塌和滑坡,形成复杂的斜坡地质灾害.富含孤石的花岗岩地段开挖浅埋隧道,由于围岩不均匀引起初期支护局部应力集中,诱发围岩大变形、地表沉降和塌方冒顶等事故.隐伏的孤石易被误认为基岩,并造成桩基工程成孔困难;而裸露的孤石对斜坡地段桩基及墩台构成威胁.

Keyword:

基础 球状风化 花岗岩 边坡 隧道

Community:

  • [ 1 ] [王浩]福州大学
  • [ 2 ] [刘成禹]福州大学
  • [ 3 ] [陈志波]福州大学

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Source :

工程地质学报

ISSN: 1004-9665

CN: 11-3249/P

Year: 2011

Issue: 4

Volume: 19

Page: 564-569

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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