Corrugated metal culvert with its stable performance, convenient installation, favorable environmental protection and low cost quickly instead of in the highway construction of reinforced concrete culvert, very broad prospects for development.
1, the corrugated metal culvert sand "watertight" compact oscillator.
2, corrugated metal culvert well graded natural gravel, with a wooden stick on the inside of the pipe body artificial outward tamp. The acting point of the wooden stick must be close to the pipe body, and each groove must be tamped in place.
3, metal corrugated culvert with C15 fine stone concrete filling.
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