【摘要】 针对广西文化艺术中心地层存在阻力大的圆砾层、中风化泥岩层等施工难点,提出在改进钻杆和钻头的前提下,运用三轴搅拌桩止水帷幕技术和四喷四搅工艺的施工方案。实践表明,该方案施工快捷高效,提高了施工质量,缩短工期。更多还原

【Abstract】 In view of the difficulties in the construction of gravel stratum and weathered mudstone stratum with large resistance in the stratum of Guangxi Cultural and Art Center,the construction scheme of using three-axis mixing pile waterproof curtain technology and four-jetting and four-mixing technology is put forward on the premise of improving drill pipe and bit. Practice shows that the scheme is fast and efficient,improves the construction quality and shortens the construction period.更多还原