A METHOD TO CLASSIFY THE DEGREE OF REINFORCED CONCRETE STRUCTURE CONCRETE COVER CRACKING DURABILITY
The crack along longitudinal bar of concrete cover is not only a final and importantsigh of reinforced concrete structure Durability,but also the premise to durability evaluationof reinforced concrete structure. Based on the existing experiment and the projects measureddata,established steel bar corrosion depth model before concrete cover cracking underatmospheric environment in this paper. A equation of limit state for concrete cover withoutcorrosion-cracking is established. According to the uncertainty of environmental parameters,as well as the randonmess of concrete covers thickness and material strength,analyzed theprobability and reliability index of reinforce concrete cover without corrosion-cracking,Therelations of reliability index,concrete strength and concrete cover depth have been analyzed.A method to classify the degree of reinforced concrete structure with corrosion-crackingdurability is proposed in this paper.
durability evaluation concrete cover calculation model reliability index
Shanhua Xu Ditao Niu Yuan Bo
School of Civil Engineering,Xian University of Architecture & Technology Xian,710055,PR China
国际会议
The International Conference on Durability of Concrete Structures(2008年混凝土结构耐久性国际学术会议)
杭州
英文
867-871
2008-11-01（万方平台首次上网日期，不代表论文的发表时间）