by PHC pipe pile, also known as prestressed high-strength concrete pipe pile.
It is a hollow cylindrical concrete precast component made by using pre tensioned centrifugal forming technology and steam curing at around 10 atmospheres (about 1.
0Mpa) and 180 ℃.
The standard section length is 10m, the diameter ranges from 300mm to 800mm, and the concrete strength grade is ≥ C80.
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