中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊

重庆交通大学学报(自然科学版) ›› 2016, Vol. 35 ›› Issue (6): 73-76.DOI: 10.3969/j.issn.16740696.2016.06.15

• 港口航道·水利水电·资源环境 • 上一篇    下一篇

考虑空间变异性的水泥固化海泥垦地围堰稳定性分析

章荣军,程钰诗,郑俊杰,陈耀晖   

  1. (华中科技大学 土木工程与力学学院,湖北 武汉 430074)
  • 收稿日期:2015-06-25 修回日期:2016-02-28 出版日期:2016-12-25 发布日期:2016-12-29
  • 作者简介:章荣军(1983—),男,湖北钟祥人,副教授,博士,主要从事岩土工程方面的研究。Email:ce_zhangrj@hust.edu.cn。
  • 基金资助:
    国家自然科学基金项目(51308241);教育部高等学校博士学科点专项科研基金项目(20130142120029)

Stability of Solidified Cement Sea Mud Cofferdam Considering Spatial Variability

ZHANG Rongjun, CHENG Yushi, ZHENG Junjie, CHEN Yaohui   

  1. (School of Civil Engineering and Mechanics, Huazhong University of Science and Technology , Wuhan 430074, Hubei, P. R. China)
  • Received:2015-06-25 Revised:2016-02-28 Online:2016-12-25 Published:2016-12-29
  • Contact: 程钰诗(1992—),女,湖北武汉人,硕士,主要从事水泥固化疏浚淤泥方面的研究。Email:chengyushi_hust@163.com。

摘要: “水泥固化流塑态填料”(SDF)作为一种垦地围堰的填筑材料,其强度具有空间变异性。利用Tekong岛填海工程中SDF强度采样数据,分析SDF强度概率分布特征,模拟SDF强度分布随机场。均匀场和随机场条件下,利用Monte Carlo模拟法对实际垦地围堰工程进行模拟和稳定性分析。研究表明:SDF强度存在很强的空间变异性,对SDF围堰稳定性影响显著,因此导致实际工程的设计方案偏于保守。

关键词: 岩土工程, 海泥, 水泥, 围堰, 空间变异性, 稳定性

Abstract: As a kind of the filling material for the cofferdam, the strength of cement Stabilized Dredged Fill (SDF) has spatial variability. The insite data of SDF strength of Tekong Island reclamation project was collected to analyze the probability characteristics of the strength and conduct the simulations of random fields that fitted the strength distribution of SDF. The numerical models of cofferdam were respectively established under the condition of random field and uniform field, and the stability analysis was conducted by Monte Carlo method. The results show that the high spatial variability of SDF has a significant effect on the stability of SDF cofferdam, which makes the design of practical engineering conservative.

Key words: geotechnical engineering, sea mud, cement, cofferdam, spatial variability, stability

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