Introduction of box culvert acceptance specification?

Code for acceptance of box culvert? The following Zhong Da Consulting brings the box culvert acceptance specifications and construction quality standards, and the relevant contents are for reference.

1, box culvert construction allowable deviation should comply with the regulations.

2. The pipe body should be straight, the inlet and outlet, the hole body and the groove should be connected smoothly, and there should be no water blocking phenomenon.

3. Hat stones, straight walls or splayed walls match the slope and alignment of the route and are angular.

4. The road surface at the culvert is smooth, without tripping.

5, exposed concrete surface level off, the color is consistent.

6. The concrete surface of box culvert should be smooth, with straight ridge line, without serious edge gnawing and corner dropping.

7. The area of honeycomb pits shall not exceed 0.5% of the surface area. Those with a depth of more than l0mm must be treated and repaired before use.

8. Non-stress cracks appear on the concrete surface of box culvert. When the crack width exceeds the design requirements or is not specified in the design, it must be treated if it exceeds 0.15 mm. ..

9, settlement joint sealing is dense, smooth and straight.

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