Abstract：
By analyzing the special geological condition for the south main pier of the Fourth Nanjing Yangtze River Bridge and reference multiple large Bridges foundation construction experience, puts forward Wall Protection by Steel casing, Clean water drilling construction technology；Use of ultrasonic measure hole instrument，to detect the pore-forming efficiency and quality has been greatly improved, and provide a reference experience for other bridge construction.
XU Lei,HUANG Wei. CONSTRUCTION TECHNOLOGY OF BORED PILE FOR SOUTH MAIN PIER OF THE FOURTH NANJING YANGTZE RIVER BRIDGE[J]. Architecture Technology, 2013, 44(9): 827-830.
