Consolidation of a very soft clay with vertical drains

被引：33

作者：

Almeida, MSS ^{[1
]}

Maria, PELS ^{[1
]}

Martins, ISM ^{[1
]}

Spotti, AP ^{[1
]}

Coelho, LBM ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, COPPE, BR-21945 Rio De Janeiro, Brazil

来源：

GEOTECHNIQUE | 2000年 / 50卷 / 06期

关键词：

clays; consolidation; embankments; in-situ testing; laboratory tests; settlements;

D O I：

10.1680/geot.2000.50.6.633

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

The paper analyses the performance of an embankment built on a very soft and extremely compressible organic clay where prefabricated vertical drains have been installed. Co-efficients of horizontal consolidation, ch, obtained from settlement analyses took into account the smear resulting from the installation of the drains and also the vertical drainage. These values of ch are compared with the measurements obtained from special laboratory tests with drains installed in the sample, and from in-situ tests using the piezocone. The three sets of figures showed good agreement with each other, which suggests that the secondary consolidation was negligible compared with the primary consolidation in the case herein, in which vertical drains were used.

引用

页码：633 / 643

页数：11

共 24 条

[1] Almeida MSS, 1998, GEOTECHNICAL SITE CHARACTERIZATION, VOLS 1 AND 2, P961
[2] ALMEIDA MSS, 1993, P 3 INT C CAS HIST G, P351
[3] ALMEIDA MSS, 1995, P 10 PAN C SOIL MECH, V4, P161
[4] ALMEIDA MSS, 1996, EMBANKMENTS SOFT CLA
[5] ALMEIDA MSS, 1992, PRED SOIL MECH WROTH, P73
[6] Asaoka A., 1978, Soils and Foundations, V18, P87, DOI [10.3208/sandf1972.18.4_87, DOI 10.3208/SANDF1972.18.4_87]
[7] CONSOLIDATION AFTER UNDRAINED PIEZOCONE PENETRATION .2. INTERPRETATION
BALIGH, MM
LEVADOUX, JN
[J]. JOURNAL OF GEOTECHNICAL ENGINEERING-ASCE, 1986, 112 (07): : 727 - 745
[8] BARRON RA, 1948, T AM SOC CIV ENG, V113, P718
[9] COELHO LBM, 1997, THESIS FEDERAL U RIO
[10] Coutinho R.Q, 1976, THESIS FEDERAL U RIO

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