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国家教育部博士点基金(20110073120012): 作品数：13被引量：107H指数：7; 导出分析报告; 相关作者：尹振宇王建华刘映晶朱启银夏小和更多>>; 相关机构：上海交通大学河海大学上海市隧道工程轨道交通设计研究院济南轨道交通集团有限公司更多>>; 相关期刊：《Theoretical & Applied Mechanics Letters》《岩土工程学报》《Acta Mechanica Solida Sinica》《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》更多>>; 相关主题：CLAY颗粒级配粒状材料软黏土本构模型更多>>; 相关领域：建筑科学理学更多>>

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

考虑级配效应的粒状材料本构模拟被引量：9: 《岩土工程学报》2015年第2期299-305,共7页刘映晶王建华尹振宇李罡夏小和; 国家自然科学基金项目(41372285;41272317;41172251);高等学校博士学科点专项科研基金项目(20110073120012);中法联合基金项目(RISMOGEO); 粒状材料被广泛应用于岩土工程中,其颗粒级配变化特性会影响材料的力学性能特别是承载力特性。为了更好地描述级配对粒状材料力学性能的影响,基于弹塑性力学和临界状态土力学,将依赖颗粒级配的临界状态线引入到一个简单的本构模型中。...; 关键词：颗粒级配粒状材料本构模型临界状态

颗粒级配对粒状材料不排水力学特性的影响被引量：14: 《岩土力学》2015年第2期423-429,共7页刘映晶李罡尹振宇夏小和王建华; 国家自然科学基金(No.41240024;No.41172251;No.41372285;No.51161130523;No.41002095;No.41272317);欧盟玛丽居里行动计划(No.PIAPP-GA-2011-286397);高等学校博士学科点专项科研基金(No.20110073120012);上海市浦江人才计划项目(No.11PJ1405700); 为了研究颗粒级配对粒状材料不排水力学特性的影响，采用两种形状自相似度很高的材料（玻璃球和Hostun砂）进行了一系列传统三轴不排水压缩试验。对于每种材料，保持相近的相对密实度制作了6个不同颗粒级配（不均匀系数Ca=1．1～20）的...; 关键词：颗粒级配三轴不排水试验不稳定性相对密实度粒状材料

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

粒状材料临界状态的颗粒级配效应被引量：22: 《岩土工程学报》2014年第3期452-457,共6页李罡刘映晶尹振宇 Christophe Dano Pierre-Yves Hicher; 国家自然科学基金项目(41240024,51161130523);欧盟玛丽居里行动计划项目(PIAPP-GA-2011-286397);高等学校博士学科点专项科研基金项目(20110073120012); 采用理想颗粒材料(DEM理想球体)、人工颗粒材料(玻璃球)和天然颗粒材料(Hostun砂),通过数值和室内常规三轴排水试验研究了颗粒材料级配对其应力–应变响应和临界状态的影响规律。试验结果表明:在相同加载初始条件下(e0=0.574,p0'=400 kP...; 关键词：颗粒级配离散单元法三轴排水试验临界状态粒状材料

软黏土加载速率效应特性试验研究:进展与趋势被引量：20: 《岩土力学》2014年第1期7-24,共18页朱启银尹振宇朱俊高王建华夏小和; 国家自然科学基金(No.41240024;No.41372285);欧盟玛丽居里行动计划(No.PIAPP-GA-2011-286397);高等学校博士学科点专项科研基金(No.20110073120012);上海市浦江人才计划项目(No.11PJ1405700); 大量的室内和现场试验都表明,软黏土的强度与变形速率相关。为了更深入地认识软黏土的加载速率效应特性,首先分析了一维应力条件下先期固结压力和三轴应力条件下不排水抗剪强度的加载速率效应及应力-应变关系的归一化,探讨了一维和三轴...; 关键词：软黏土先期固结压力抗剪强度速率效应应力剪胀等应变率香港海积相沉积物

软黏土蠕变特性试验研究:回顾与发展被引量：15: 《岩土力学》2013年第S2期1-17,共17页尹振宇朱启银朱俊高; 国家自然科学基金资助(No.41240024);欧盟玛丽居里行动计划资助(No.PIAPP-GA-2011-286397);高等学校博士学科点专项科研基金资助(No.20110073120012);上海市浦江人才计划项目资助(No.11PJ1405700); 大量的室内和现场试验表明软黏土存在长期变形难以收敛的问题,为了更深入地认识软黏土的蠕变特性,首先,从微观物理化学角度探讨蠕变机制;然后,深入分析一维应力条件下次固结系数的演变规律以及确定方法和三轴排水、不排水蠕变特性及黏...; 关键词：软黏土蠕变次固结应力剪胀微观结构

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

Softening response under undrained compression following anisotropic consolidation被引量：2: 《Journal of Central South University》2013年第6期1703-1712,共10页余闯许强尹振宇; Project(SKLGP2011K013)supported by the State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,China;Project(20110073120012)supported by the Research Fund for the Doctoral Program of Higher Education of China;Project(11PJ1405700)supported by the the Shanghai Pujiang Talent Plan,China;Project(41002091)supported by the National Natural Science Foundation of China; Experimental evidence has indicated that clay exhibits strain-softening response under undrained compression following anisotropic consolidation.The purpose of this work was to propose a modeling method under critical...; 关键词：STRAIN-SOFTENING CLAY constitutive relation PLASTICITY critical state CONSOLIDATION

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