旧混凝土 meaning in English

old concrete

Evaluating concrete surface by use of fwd and design of layer
评价旧混凝土路面及加铺层设计
Analysis of load transfer efficiency for concrete joint
新旧混凝土粘结断裂韧度影响因素的显著性分析
Finite element analysis of separation under cement concrete pavement
旧混凝土路面板底脱空的有限元分析
Structure design of asphalt mixture overlay on old concrete pavement
旧混凝土路面沥青混合料加铺层的结构设计
Study on the bonding states between old and new concretes during bridge repair
桥涵结构补强中新旧混凝土结合状态研究

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