吉林大学学报(工学版) ›› 2020, Vol. 50 ›› Issue (1): 156-164.doi: 10.13229/j.cnki.jdxbgxb20181171
• 交通运输工程·土木工程 • 上一篇
高登辉1,2(),邢义川2,郭敏霞3,张爱军3,王献涛4,马保红5
Deng-hui GAO1,2(),Yi-chuan XING2,Min-xia GUO3,Ai-jun ZHANG3,Xian-tao WANG4,Bao-hong MA5
摘要:
为解决非饱和土与结构物接触计算中的力水耦合问题,进行了不同含水率重塑黄土与混凝土接触面的直剪试验,首先根据试验规律分别简化了双曲线模型中初始剪切劲度系数、极限抗剪强度与法向应力间的关系表达式,然后引入含水率这一变量,建立了适用于非饱和土的接触面修正双曲线模型,该模型具有6个参数,通过不同含水率的接触面直剪试验即可获得。计算结果与试验结果的对比证明了该模型的可行性。该修正双曲线模型可以同时考虑法向应力与含水率两变量,可以较好地实现非饱和黄土与结构物的接触计算。
中图分类号:
1 | 夏红春,周国庆 .土-结构接触面剪切力学特性及其影响因素试验[J].中国矿业大学学报,2010,39(6):831-836. |
Xia Hong-chun , Zhou Guo-qing . Experimental study of the shear mechanical characteristics at a soil-structure interface and the factors affecting them[J]. Journal of China University of Mining & Technology, 2010, 39(6):831-836. | |
2 | Potyondy J G . Skin friction between various soils and construction materials[J]. Géotechnique, 1961, 11(4):339-353. |
3 | 胡黎明,濮家骝 . 土与结构物接触面物理力学特性试验研究[J].岩土工程学报, 2001,23(4):431-435. |
Hu Li-ming , Pu Jia-liu . Experimental study on mechanical characteristics of soil-structure interface[J]. Chinese Journal of Geotechnical Engineering, 2001, 23(4):431-435 | |
4 | 金子豪,杨奇,陈琛,等 .粗糙度对混凝土‒砂土接触面力学特性的影响试验研究[J].岩石力学与工程学报, 2018,37(3):754-765. |
Jin Zi-hao , Yang Qi , Chen Chen , et al . Experimental study on effects of the roughness on mechanical behaviors of concrete-sand interface[J]. Chinese Journal of Rock Mechanics and Engineering, 2018, 37(3):754-765. | |
5 | 张冬霁,卢廷浩 . 一种土与结构接触面模型的建立及其应用[J].岩土工程学报, 1998, 20(6):65-69. |
Zhang Dong-ji , Lu Ting-hao . Establishment and application of a interface model between soil and structure [J]. Chinese Journal of Geotechnical Engineering, 1998, 20(6):65-69. | |
6 | 王永洪,张明义,刘俊伟,等 . 超孔隙水压力对低塑性黏性土桩土界面抗剪强度的影响[J].岩土力学, 2018,39(3): 831-838. |
Wang Yong-hong , Zhang Ming-yi , Liu Jun-wei , et al . Influence of excess pore water pressure on shear strength of pile-soil interface in clayey soil[J]. Rock and Soil Mechanics, 2018, 39(3):831-838. | |
7 | Clough G W , Duncan J M . Finite element analysis of retaining wall behavior[J]. Journal of Soil Mechanics and Foundation Engineering Division, ASCE, 1971,97(12):1657-1673. |
8 | Boulon M , Nova R . Modeling of soil structure interface behavior: a comparison between elastoplastic and rate-type laws[J]. Computers and Geotechnics, 1990, 17(9): 21-46. |
9 | 殷宗泽,朱泓,许国华 .土与结构材料接触面的变形及其数学模拟[J].岩土工程学报, 1994,10(3):14-22. |
Yin Zong-ze , Zhu Hong , Xu Guo-hua . Numerical simulation of the deformation in the interface between soil and structural material[J]. Chinese Journal of Geotechnical Engineering, 1994, 10(3): 14-22. | |
10 | 栾茂田,武亚军 .土与结构间接触面的非线性弹性-理想塑性模型及其应用[J].岩土力学, 2004,25(4):507-513. |
Luan Mao-tian, Wu Ya-jun, A nonlinear elasto-perfectly plastic model of interface element for soil-structure interaction and its applications[J]. Rock and Soil Mechanics, 2004, 25(4):507-513. | |
11 | 张嘎,张建民 .粗粒土与结构接触面统一本构模型及试验验证[J]. 岩土工程学报, 2005,27(10):1175-1179. |
Zhang Ga , Zhang Jian-min . Unified modeling of soil-structure interface and its test confirmation [J]. Chinese Journal of Geotechnical Engineering, 2005, 27(10):1175-1179. | |
12 | Lashkari A , Torkanlou E . On the constitutive modeling of partially saturated interfaces[J]. Computers and Geotechnics, 2016(74):222-233. |
13 | GB/T 50123―1999.土工试验方法标准[S]. |
14 | 于友成 . 黄土浸水入渗特性原位试验研究[D].西安:长安大学公路学院,2003. |
Yu You-cheng . Test study in situ for specific property of infiltrating loess[D]. Xi’an: College of Highway, Chang’an University, 2003. | |
15 | 刘方成,尚守平,王海东 .粉质黏土-混凝土接触面特性单剪试验研究[J]. 岩石力学与工程学报, 2011,30(8):1720-1728. |
Liu Fang-cheng , Shang Shou-ping , Wang Hai-dong . Study of shear properties of silty clay-concrete interface by simple shear test[J]. Chinese Journal of Rock Mechanics and Engineering, 2011, 30(8):1720-1728. | |
16 | 赵春风,龚辉,赵程,等 .考虑法向应力历史的黏土-混凝土界面弹塑性分析[J].岩石力学与工程学报, 2012,31(4):848-855. |
Zhao Chun-feng , Gong Hui , Zhao Cheng , et al . Elastoplastic analysis of interface between clay and concrete considering effect of normal stress history effects[J]. Chinese Journal of Rock Mechanics and Engineering, 2012, 31(4):848-855. | |
17 | 卢廷浩,鲍伏波 . 接触面薄层单元耦合本构模型[J]. 水利学报, 2000(2):71-75. |
Lu Ting-hao , Bao Fu-bo . A coupled constitutive model for interface thin-layer element[J]. Journal of Hydraulic Engineering, 2000(2):71-75. | |
18 | 张嘎,张建民 . 粗粒土与结构接触面单调力学特性的试验研究[J].岩土工程学报, 2004,26(1):21-25. |
Zhang Ga , Zhang Jian-min . Experimental study on monotonic behavior of interface between soil and structure [J]. Chinese Journal of Geotechnical Engineering, 2004, 26(1):21-25. | |
19 | 张明义,白晓宇,高强,等 . 黏性土中桩-土界面受力机制室内试验研究[J]. 岩土力学, 2017,38(8):2167-2174. |
Zhang Ming-yi , Bai Xiao-yu , Gao Qiang , et al . Experimental study on interfacial bearing mechanism of piles in cohesive soil[J]. Rock and Soil Mechanics, 2017, 38(8):2167-2174. | |
20 | 殷宗泽 .土工原理[M].北京:中国水利水电出版社,2007. |
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