国家自然科学基金(51079069)

作品数:3被引量:24H指数:3
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相关作者:陈建康更多>>
相关机构:宁波大学更多>>
相关期刊:《Acta Mechanica Solida Sinica》《宁波大学学报(理工版)》更多>>
相关主题:SULFATE_ATTACKEFFECTCONCRETEPOROSITYING更多>>
相关领域:建筑科学天文地球更多>>
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硫酸盐侵蚀下混凝土损伤演化的新模型被引量:5
《宁波大学学报(理工版)》2016年第1期98-102,共5页鲍燕林 陈建康 
国家自然科学基金(51079069);宁波市社发重点项目(2013C51007)
根据混凝土的拉伸强度给出了微裂纹的起裂条件,再由微裂纹成核率的"白模型"得到了损伤驱动应力相关的微裂纹成核率方程.在假定微裂纹的长大服从Seaman扩展方程的基础上,结合微裂纹数密度演化的平衡方程,得到了特征线上微裂纹数密度演化...
关键词:硫酸盐侵蚀 混凝土 微裂纹成核 损伤演化 
THEORETICAL ANALYSIS ON THE NUCLEATION OF MICRO-DAMAGE IN CEMENT MORTAR UNDER COMPRESSIVE LOADING AND SULFATE ATTACK被引量:6
《Acta Mechanica Solida Sinica》2013年第1期53-61,共9页Jiankang Chen Hui Song Minghua Zhang Jian Ye 
Project supported by the National Natural Science Foundation of China (Nos. 10932001,51079069,10972109,and 10802039);the National Basic Research Program of China (973 Program,No. 2009CB623203);the Ministry of Education of the People’s Republic of China (No. 20103305110001);K.C.Wong Magna Fund in Ningbo University
Effect of uniaxial compression on the nucleation of micro-damage in cement mortar under sulfate attack is investigated. Shape and size of micro-voids in cement mortar is detected using Micro Computed Tomography techni...
关键词:sulfate attack uniaxial compression micro-damage cement mortar Eshelby'smethod 
EFFECT OF DAMAGE EVOLUTION ON POISSON'S RATIO OF CONCRETE UNDER SULFATE ATTACK被引量:13
《Acta Mechanica Solida Sinica》2011年第3期209-215,共7页Hui Song Jiankang Chen 
Project supported by the National Natural Science Foundation of China (Nos. 10932001,51079069 and 10572064);the National Basic Program of China (973 Program,2009CB623203);Ministry of Education of China (20103305110001);K.C. Wong Magna Fund in Ningbo University
Experimental results about concrete under sulfate attack are summarized, which include the variation of mass density of samples and velocity of ultrasonic wave propagating in samples. The evolution damage is analyzed ...
关键词:CONCRETE sulfate attack POROSITY Poisson's ratio damage evolution 
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