Grouting of bored pile technique

Based on Dongguan,Guangdong Dongguan Hui GHZ-2 inter-city transport Metro Section of the Central underground station construction site to bored pile and pile pressure grouting field test of the static load test,introduced in the process of pressure grouting pile bottom and pressure grouting effect,the main research bored piles and piles construction technology,including the build drilling platforms,casing,drilling,placement of reinforced concrete cages and water processes;and sediment for the bored pile problem;the grouting of pile testing of new technology is studied.