论文部分内容阅读
由交通部第二航务工程局科研所和中国科学院长春应用化学研究所共同研制的“TJBS”外加剂,于1991年4月9日在长春通过鉴定。 配制水下不离析混凝土是国际上七十年代后期的新技术,现在我国已研制出用于水下混凝土的外加剂(TJBS),并成功地应用于几个水下工程中。 “TJBS”具有速溶(5～6min即可溶
The “TJBS” admixture jointly developed by the Scientific Research Institute of the Second Navigation Engineering Bureau of the Ministry of Communications and the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences passed the appraisal in Changchun on April 9, 1991. The preparation of underwater non-segregation of concrete is an international new technology in the late seventies. Nowadays China has developed TJBS for underwater concrete and has been successfully applied to several underwater projects. “TJBS” with instant (5 ~ 6min is soluble