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针对传统人行道伸缩缝位于结构断缝正上方,填充物易脱落,结构易破损问题,笔者提出一种改进的人行道伸缩缝——人行道结构错位伸缩缝:用延伸板跨越结构断缝,用与结构断缝纵向错位的伸缩缝完成伸缩功能。该伸缩装置各部件功能明确,结构传力可靠,可望克服传统人行道伸缩缝的常发病害。
In view of the fact that the traditional sidewalk expansion joint is located directly above the structural fracture, the filler is easy to peel off and the structure is easily damaged, the author proposes an improved sidewalk expansion joint - the sidewalk structure is dislocated. The expansion joint extends across the structural fracture with the extension plate, Longitudinal dislocation of the expansion joints to complete telescopic expansion function. The telescopic device features a clear function, the structure of transmission force reliable, is expected to overcome the traditional sidewalk expansion joints of the common disease.