在80年代中期发生的最近一次经济衰退期间，当大多数建筑专业人员不能充分就业甚至失业时，他在一天早晨接到了美国混凝土协会的电话。
During the last big recession in the mid-1980s, when most building professionals were underemployed, if not unemployed, he took a call one morning from the American Concrete Institute.
在美国材料试验协会标准ASTMC1550圆板试验方法基础上，提出一种改进的基于裂缝宽度量测技术的纤维混凝土(FRC)材料静定圆板试验方法。
Based on standard test method ASTM C1550 for fibre reinforced concrete (FRC), a modified round panel test method for the material performance of FRC by measuring crack opening width is presented.
在美国材料试验协会标准ASTMC1550圆板试验方法基础上，提出一种改进的基于裂缝宽度量测技术的纤维混凝土(FRC)材料静定圆板试验方法。
Based on standard test method ASTM C1550 for fibre reinforced concrete (FRC), a modified round panel test method for the material performance of FRC by measuring crack opening width is presented.
应用推荐