| 摘要 |
PURPOSE: An expansion joint repair system of a concrete structure is provided to heighten retentive force of a concrete structure after repair works and to improve seepage defense efficiency. CONSTITUTION: The expansion joint repair system of a concrete structure contains a pair of reinforcing projections(2,2a) formed on both sides of sealants(1) provided with many grooves(11), and a pair of gusset plates(3,3a) composed of housing grooves(31) to place the reinforcing projections(2,2a) and bearing pieces(32,32a) extended horizontally from the housing grooves(31,31a) and fixed to concrete structures together with the sealants(1) by an anchor bolt(4) and a nut.
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