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INTRODUCTION:
Zhongshan professional bridge inspection car rental to help users bridge inspection car easy to use When the expansion amount is within 20 MM-40 mm, TST gravel elastic expansion joint device can be used. After the special elastic-plastic material TST is heated and melted, it is poured into the cleaned and heated crushed stone to form the TST gravel elastic expansion joint. The gravel is used to support the vehicle load, and the TST elastic-plastic body can meet the requirements of the expansion amount under the condition of 25 ℃ ~ 60 ℃. According to the performance and installation method, expansion joints can be divided into gqf-c type, gqf-z type, gqf-l type and gqf-f type. Among them, gqf-mzl model bridge expansion joint device
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