Design and construction of boring cast-in-place concrete pile in area

The whole procedure of design and construction of boring cast-in-place concrete pile under complicated geological condition in HuBei province is introduced. The building ground belings to Karst area with various and a large number of caves, and with developed bedrock fissures. To ensure the project's quality of construction a series of new techniques and methods such as seepage prevention gouting, steel drive pipe and counterbore cutter head are applied in procedure of design and construction which is from ground treatment to becoming bored piles. Finally, good economic results are achieved.