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TST碎石桥梁弹性接缝是交通部公路规划设计院和西安市自力化学工业公司联合研制开发的、一种适用于5cm以下伸缩量的无缝式伸缩缝。省公路学会桥梁专业委员会为了使有关专业人员对这种新型材料有所了解,于8月13日在长沙召开了“桥梁伸缩缝”应用交流会。参加会议的有省公路学会成员单位的有关领导及工程技术人员100多人。西安市自力化学工业公司和长潭高速公路工程总监的代表及施工单位省路桥总公
TST gravel bridge elastic joint is the Ministry of Communications Road Planning and Design Institute and Xi’an Chemical Industry Co., Ltd. jointly developed self-developed, a suitable for expansion joints below 5cm seamless expansion joints. Provincial Highway Society Bridge Professional Committee in order to enable the professionals to understand this new material, held in August 13 in Changsha, “bridge expansion joint” application exchange. There are more than 100 leaders and engineers and technicians attending the meeting from provincial highway institute members. Xi’an Self Chemical Industry Company and the chief engineer of Tan Tau Expressway construction and construction unit Provincial Road and Bridge Chief