EFFECT OF SMEAR ON LOAD CAPACITY OF SAND COMPACTION PILES

被引：0

作者：

Juneja, A. ^{[1
]}

Mir, B. A. ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Civil Engn, Mumbai 400076, Maharashtra, India

来源：

GROUND IMPROVEMENT TECHNOLOGIES AND CASE HISTORIES | 2010年

关键词：

Sand compaction piles; installation effects; smear;

D O I：

10.3850/GI070

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

Shear strength of model SCP installed in 100mm diameter and 200mm long clay specimens is investigated using conventional triaxial compression tests. The composite specimen were prepared by driving a small diameter PVC casing into the sample and then backfilling the cavity with sand column after removing the casing. The results seem to suggest that the smear zone does not have any significant effect on the shear strength of the composite specimen if sufficient time is allowed for excess pore pressures to dissipate during consolidation. Difference in the measured strength of specimens prepared with and without smear was also small when the specimens with smear were not permitted to completely consolidate prior to undrained shear.

引用

页码：509 / 514

页数：6

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