国家自然科学基金(41372285)

作品数：6被引量：16H指数：3
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相关作者：韩剑姚仰平尹振宇更多>>
相关机构：同济大学北京航空航天大学更多>>
相关期刊：《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》《岩土工程学报》《Acta Mechanica Solida Sinica》《Journal of Central South University》更多>>
相关主题：不排水黏土CLAY超固结固结度更多>>
相关领域：建筑科学理学更多>>
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超固结度对超固结饱和黏土不排水蠕变特性的影响研究被引量：9
《岩土工程学报》2018年第3期426-430,共5页韩剑 姚仰平 尹振宇 
国家自然科学基金项目(51579005,51579179,41372285);国家重点基础研究发展计划(“973”计划)项目(2014CB047006)
以具有不同超固结度的重塑黏土试样为研究对象,在加载应力比等同于临界状态线斜率的应力条件下开展了一系列不排水蠕变试验,研究了超固结饱和黏土的蠕变特性。试验结果表明,对强超固结度黏土试样,随着蠕变时间的增加,孔压一直降低,并从...
关键词：黏土 超固结 蠕变 临界状态 三轴试验 
超大次循环荷载下超固结黏土的长期不排水力学特性研究被引量：3
《岩土工程学报》2017年第12期2219-2225,共7页韩剑 姚仰平 尹振宇 
国家自然科学基金项目(11672015,41372285,51579179);国家重点基础研究发展计划(“973”计划)项目(2014CB047001)
风、波浪等荷载具有超大循环次数的特征,极大影响黏土的长期不排水动力特性,是黏土地基基础设计的关键问题之一。针对现有动力试验荷载循环次数不足的现状,以超固结度为4的重塑土试样为研究对象,开展了一系列不排水三轴动力试验,研究了...
关键词：黏土 超大循环次数 蠕变 孔隙水压力 不排水三轴试验 
Unified modeling of the monotonic and cyclic behaviors of sand and clay被引量：3
《Acta Mechanica Solida Sinica》2015年第2期111-132,共22页Yinfu Jin Zhenyu Yin Dongmei Zhang Hongwei Huang 
supported by the National Natural Science Foundation of China(No.41372285);the Research Fund for the Doctoral Program of Higher Education of China(No.20110073120012);Shanghai Pujiang Talent Plan(No.11PJ1405700);the European Community through the program‘People’as part of the Industry-Academia Pathways and Partnerships project CREEP(PIAPP-GA-2011-286397)
In this study, we aim to investigate a unified modeling method for the monotonic and cyclic behaviors of sand and clay. A simple double-yield-surface model, with plastic hardening modulus and dilatancy relation being ...
关键词：SAND CLAY constitutive relations PLASTICITY critical state cyclic loading 
Uniqueness of rate-dependency, creep and stress relaxation behaviors for soft clays被引量：1
《Journal of Central South University》2015年第1期296-302,共7页朱启银 尹振宇 徐长节 殷建华 夏小和 
Projects(41372285,41272317,51278449,51238009)supported by the National Natural Science Foundation of China;Project(20110073120012)supported by Research Fund for the Doctoral Program of Higher Education of China;Project(PIAPP-GA2011-286397)supported by the European Program CREEP
This work focuses on the uniqueness of rate-dependency, creep and stress relaxation behaviors for soft clays under one-dimensional condition. An elasto-viscoplastic model is briefly introduced based on the rate-depend...
关键词：soft clays creep rate-dependency stress relaxation oedometer test 
MICROMECHANICAL MODELLING OF PHASE TRANSFORMATION BEHAVIOUR OF A TRANSITIONAL SOIL
《Acta Mechanica Solida Sinica》2014年第3期259-275,共17页Chuang Yu Zhenyu Yin Dongmei Zhang 
supported by the Research Fund for the Doctoral Program of Higher Education of China(No.20110073120012);the Shanghai Pujiang Talent Plan(No.11PJ1405700);the National Natural Science Foundation of China(Nos.41240024,41372285 and 41372264);the Zhejiang Provincial Natural Science Foundation of China(No.1LY13E080013);the NSFC/ANR Joint Research Scheme(Nos.51161130523 and RISMOGEO)
Experiments show that silts and silty soils exhibit contraction followed by dilation during shearing and the slope of failure line decreases at large strains, termed as phase transformation behaviour. This paper is to...
关键词：MICROMECHANICS SILTS constitutive models elastoplasticity ANISOTROPY simulation 
Influence of natural deposition plane orientation on oedometric consolidation behavior of three typical clays from southeast coast of China
《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2013年第11期767-777,共11页Qi-yin ZHU Yin-fu JIN Zhen-yu YIN Pierre-Yves HICHER 
Project supported by the National Natural Science Foundation of China(Nos.41240024 and 41372285);the Shanghai Pujiang Talent Plan(No.11PJ1405700);the Research Fund for the Doctoral Program of Higher Education of China(No.20110073120012);the European Project CREEP(No.PIAPP-GA-2011-286397)
The parameters obtained from oedometric consolidation tests are commonly used in the development of constitutive modeling and for engineering practice. This paper focuses on the influence of the natural deposition pla...
关键词：CLAY COMPRESSIBILITY CONSOLIDATION Creep Permeability Natural deposition 
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