Waterproof expansion joint structure of super-long underground structure, and construction method thereof

Abstract

The invention discloses a waterproof expansion joint structure of a super-long underground structure, and a construction method thereof. The waterproof expansion joint structure comprises two end steel plates connected with main body concrete structures on the both sides separately; the respective opposite side faces of the two end steel plates are provided with latch steel plates at intervals crosswise, and a telescopic space is reserved between the latch steel plates and the side face of the end steel plate opposite to the latch steel plates; and profiled steel plates are arranged at the ends of the latch steel plates located in the telescopic space except for the top telescopic space. According to the waterproof expansion joint structure, the two end steel plates are each provided withthe latch steel plates at intervals; the latch steel plates on the both sides are inserted crosswise, and the telescopic space is reserved; in case of deformation of the super-long underground structure due to thermal expansion and contraction, the latch steel plates can be staggered mutually for offsetting the deformation of the super-long underground structure, and temperature stress is avoided,so that formation of temperature cracks is avoided; and meanwhile digging of a precipitation well and long-time precipitation like arrangement of a post-cast strip are not required, and the cost is low.

Description

technical field [0001] The invention relates to a concrete connecting beam structure, in particular to a waterproof expansion joint structure of an ultra-long underground structure. Background technique [0002] Due to issues related to security, moisture-proof, and light-proof, some important collections of art galleries or art museums or some important storage spaces (such as treasury) are often placed in underground spaces. These important underground structures are due to their particularity and importance. Sex, the design service life is often 100 years. In addition, these structures must be kept dry due to their functional requirements. [0003] Fresh concrete shrinks as it hardens, and built structures expand when heated and contract when cooled. Most of the hardening and shrinkage of concrete will be completed in the first 1 to 2 months after construction, and the effect of temperature changes on the structure is frequent. When its deformation is constrained, temp...

AI Technical Summary

Problems solved by technology

Therefore, improper setting of expansion joints will cause the loss of economical efficiency of materials in other positions, and even threaten the safety of the main structure.

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