Manufactured using centrifugal spinning,resulting in high-density,high-strength(C80+)concrete.Pretensioning imparts high bending and tensile resistance,enhancing durability during driving.Factory production ensures standardized,consistent quality.Enables rapid,clean installation with minimal site work.Piles can be spliced to reach required depths based on soil conditions.
Key specifications are outside diameter and wall thickness,e.g.,PHC-400(95)-AB(400mm OD,95mm wall,AB bending grade).Lengths are customizable,commonly in 7-15m sections.Classified into Types A,AB,B,C based on the level of effective prestress,offering progressively higher crack resistance and load capacity.
Widely used for foundations of industrial/civil buildings,bridges,ports,etc.Suitable for soft soils and situations requiring penetration through weak layers to reach bearing strata.Used as anti-slide piles for slope stabilization.In seismic zones,higher-grade piles(AB,B)are recommended.Installation methods include impact driving(noisy),static pressing(quiet),or drilling/screwing.
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