Study on settlement curve of ramp loading roadbed on soft ground

WANG Wei; LU Ting-hao; WANG Xiao-ni

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Study on settlement curve of ramp loading roadbed on soft ground

更新时间：2026-06-25

- Study on settlement curve of ramp loading roadbed on soft ground
- Vol. 27, Issue 5, (2006)
- 作者机构：
  
  1. 绍兴文理学院土木工程系,绍兴,312000
  2. 河海大学岩土工程研究所,南京,210098
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU443
- Online First：05 November 2013，
  
  Published：2006
- 稿件说明：
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WANG Wei, LU Ting-hao, WANG Xiao-ni. Study on settlement curve of ramp loading roadbed on soft ground[J]. 2006, 27(5).
DOI：

WANG Wei, LU Ting-hao, WANG Xiao-ni. Study on settlement curve of ramp loading roadbed on soft ground[J]. 2006, 27(5). DOI：

摘要

分析了线性加载路基沉降的机理，直接从一维固结度出发，证明了沉降曲线呈S形状。对Gompertz模型、Logistic模型、Weibull模型等3种呈S形状的成长模型进行数学分析。前两种模型虽然使用广泛，但不能反映加载速率和施工方法的影响，反弯点处沉降值与最终沉降相对不变，用它们进行基础全程沉降模拟具有一定的局限性；相对而言，Weibull模型具有较强的适用性。最后对路基沉降模拟提出了建议。

Abstract

Mechanism of settlement of ramp loading roadbed on soft ground is analyzed; and proof of settlement－time curve appearing S-shape is conducted directly based on consolidation degree of one-dimension soil consolidation theory. Mathematical analyses of Gompertz

logistic

Weibull growth model that appearing S-shape are conducted. Although Gompertz

logistic growth models are adopted extensively to predict settlement of ramp loading roadbed

they have deficiencies such as: (1)neglecting loading velocity; (2)neglecting construction art; (3) relative constant ratio of settlement at inflection point to ultimate settlement. Good usability of Weibull growth model is pointed out. Finally

suggests on prediction of soft roadbed settlement are proposed.

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