Method for detecting quality of grouting of sleeve of prefabricated concrete structure
A concrete structure and sleeve grouting technology, which is applied in the direction of structural elements, measuring devices, and preparation of test samples, can solve the problems of easy loss of control of quality, inability to conduct random sampling inspections, use conditions, inspection accuracy, and limitations of convenience and other issues, to achieve the effect of non-destructive testing technology, easy promotion and applicability, and fast and efficient testing technology
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[0032] Below in conjunction with accompanying drawing, the present invention will be further described as follows:
[0033] The invention provides a method for detecting the pouring compactness and solid strength and material of sleeve grouting material in an assembled concrete structure. The grouting material is the grouting material for the sleeve grouting connection of steel bars in the assembled concrete structure. The method includes the following steps: attached figure 1 The following steps are shown:
[0034] 1) Before the grouting process, insert a conduit as deep as the inner wall of the sleeve into the grout outlet pipe of the original sleeve, and the outer diameter of the conduit is smaller than the inner diameter of the grout outlet pipe of the sleeve;
[0035] 2) The conduit is pulled out after the grouting connection construction is completed and the final setting age of the grouting material is greater than 3 days;
[0036] 3) When the conduit is pulled out, if ...
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