全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
冰川冻土  2002 

冻结管对人工冻结构件加筋作用的试验研究及数值模拟

, PP. 155-159

Keywords: 人工冻结,加筋单元,力学响应,加筋作用

Full-Text   Cite this paper   Add to My Lib

Abstract:

为研究冻结管对人工冻结构件的加筋作用,通过淤泥质粘土人工冻结梁构件三点弯试验,获得了各级载荷下构件的位移值,并运用MARC软件中的加筋单元进行了对应的有限元计算.根据对冻土梁加筋与否,构件特定力学响应的比较分析,揭示了考虑土层冻结构件中冻结管的加筋作用对于增加冻结构件强度,减小变形量及对提高人工冻结支护工程经济效益的重要作用.同时,通过物理试验和数值模拟试验的对比,验证了应用MARC软件进行类似计算的可靠性.

References

[1]  Wang Renhe, Yu Chuhou, Xiong Shengyu, et al. Simulating experiment study on stability of frozen soil retaining wall. Chinese Journal of Geotechnical Engineering, 1996, 18(5): 52-57. [汪仁和, 郁楚侯, 熊声誉, 等. 冻土挡土墙稳定性的模拟试验研究. 岩土工程学报, 1996, 18(5): 52-57.]
[2]  Zhu Linnan, Chen Ruijie. Large-scale test on the artificial freezing of foundation with liquid nitrogen. Proceedings of International Symposium on Ground Freezing 97. Rotterdam: Balkema, 1997. 491-495.
[3]  Ma Wei,Wu Ziwang. Calculation on the thickness of artificial frozen wall for supporting deep bas pit. Annual Report of State Key Laboratory of Frozen Soil Engineering, CAS. Lanzhou: State Key Laboratory of Frozen Soil Engineering, 1996. 134-139. [马巍, 吴紫汪. 深基坑支护中人工冻结墙厚度的计算. 中国科学院冻土工程国家重点实验室年报. 兰州:冻土工程国家重点实验室, 1996. 134-139.]
[4]  Lai Yuanming, Deng Xuejun. Respection of technology of frozen ground. Journal of Southeast University, 2000, 30(6A): 163-170. [赖远明,邓学钧. 地层冻结技术综述. 东南大学学报, 2000, 30(6A): 163-170.]
[5]  Niu Fujun. Discussion on application of artificial ground freezing method to foundation-pit supporting. Underground Space, 1999, 19(5): 499-503. [牛富俊. 人工冻结法在软土基坑维护中的应用. 地下空间, 1999, 19(5): 499-503.]
[6]  Ma Wei. Review and prospect of the studies of ground freezing technology in China. Journal of Glaciology and Geocryology, 2001, 23(3): 218-224.[马巍. 中国地层土冻结技术研究的回顾与展望. 冰川冻土, 2001, 23(3): 218-224.]
[7]  Wang Chongxian, Lou Genda, Ma Yufeng. The technique of horizontal freezing and underground excavating within water beaving soft soil in busy section of a city. Journal of Glaciology and Geocryology, 2000, 22(3): 278-281.[汪崇鲜, 楼根达, 马玉峰. 繁华市区含水地层水平冻结及暗挖法施工. 冰川冻土, 2000, 22(3): 278-281.]
[8]  Yang Weihao, Huang Jiahui. Theoretical analyses and experimental research on stresses in freezing pipes. Journal of Glaciology and Geocryology, 1999, 21(1): 121-129. [杨维好,黄家会. 冻结管受力分析与试验研究. 冰川冻土, 1999, 21(1): 121-129.]
[9]  Sweanum Soo, Robert K W, Orlando B A. Finite element method for analysis of frozen earth structures. Cold Regions Science and Techndogy, 1987, 13: 33-37.
[10]  Li Zhijun, Qu Yuexia, Sheng Zhaowei, et al. Flexural strength of DUT-1 synthetic model ice. Journal of Glaciology and Geocryology, 2001, 23(2): 170-175. [李志军, 曲月霞, 沈照伟, 等. DUT-1 非冻结合成模冰的弯曲强度. 冰川冻土, 2001, 23(2): 170-175.]
[11]  Ma Wei,Wu Ziwang, Zhang Changqing. Strength and yielding criteria of frozen soil. Journal of Glaciology and Geocryology, 1993, 15(1): 129-133. [马巍, 吴紫汪, 张长庆. 冻土的强度与屈服准则. 冰川冻土, 1993, 15(1): 129-133.]
[12]  Ma Wei, Zhu Yuanling, Ma Wenting, et al. Analyses of deformation in frozen clayey soils. Journal of Glaciology and Geocryology. 2000, 22(1): 43-47. [马巍,朱元林,马文婷, 等. 冻结粘性土的变形分析. 冰川冻土, 2000, 22(1): 43-47.]
[13]  State Key Laboratory of Frozen Soil Engineering, Lanzhou Institute of Glaciology and Geocryology,CAS. Experimental Report on Physical and Mechanical Properties of Soil on the Site of Zhejiang Mansion in Hangzhou City. Lanzhou: State Key Laboratory of Frozen Soil Engineering, 1996. 3-4. [中国科学院兰州冰川冻土研究所冻土工程国家重点实验室. 杭州市浙江大厦土物理力学性质试验报告. 兰州: 冻土工程国家重点实验室, 1996. 3-4.]

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133