Concrete filled steel tube capable of preventing stripping damage
A steel tube concrete and concrete technology, applied in the direction of pillars, pier columns, columns, etc., can solve the problems of reducing bearing capacity and stability, poor concrete compactness, and reducing the fluidity of self-compacting concrete, so as to avoid peeling damage and improve stability and shock resistance, the effect of reducing shrinkage strain
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[0014] Below in conjunction with accompanying drawing, the present invention is further described: as figure 1 , figure 2 As shown, the concrete-filled steel pipe for preventing peeling damage includes steel pipe 1 and concrete 2, and a geotextile layer 3 is arranged between the steel pipe 1 and the concrete 2, and the geotextile layer 3 is arranged close to the inner wall of the steel pipe 1, and the geotextile layer 3 It is connected with the inner wall of the steel pipe 1 through structural glue 4 .
[0015] The geotextile layer 3 is polyester filament geotextile.
[0016] The present invention is achieved like this:
[0017] 1. Compare the performance parameters of various structural adhesives, and select the structural adhesive with higher tensile strength, so as to ensure the firm connection between the geotextile and the steel pipe wall.
[0018] 2. Compare the performance parameters of various geotextiles, and choose the geotextile with stronger transverse tensile ...
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