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全夯式沉管扩底灌注桩是由江西中恒建设集团特种软基公司在普通沉管夯扩灌注桩基础上研制成功的一种新型夯击式扩底灌注桩。全夯式扩底灌注桩基本原理全夯式扩底灌注桩是一种桩底端扩大头到桩身混凝土灌注全过程均采用夯击成型的混凝土灌注桩。该桩是采用双管套合夯击成孔,沉管达到设计深度后,拔出内管,在外管内灌注一定高度的混
The all-rammer immersed bottom-infill grouting pile is a new type of tamping-type expanded bottom bored pile successfully developed by Jiangxi Zhongheng Special Construction Group Special Soft-Base Company on the basis of ordinary sinking rammed expanded pile. The basic principle of the whole tamping Bottom Grouting Piles The full tamping Bottom Grouting Piles is a kind of concrete pouring pile which is formed by tamping the whole process of concrete pouring from the top to the bottom of the pile. The pile is tamped with a double tube into a hole, immersed tube to reach the design depth, pull out the inner tube, the outer tube perfusion of a certain height of the mix