【摘要】 龙山乌鸦乡公路桥钻孔灌注桩,桩径大、桩孔深、工程地质条件复杂,成孔难度大,采用搅拌法固结护壁、孔外渗入注浆固结护壁及孔内爆破等技术措施施工,取得了优良的成孔效果。更多还原

【Abstract】 The diameter and depth of dill hole, infusing picket was large in highway bridge at Wuya county, Longshan, with complex condition of Geological engineering and difficulty to form hole. Technical measure in construction using milling method and permeating outside the hole to infuse ,slurry for concretion and protecting wall, and explosion inside the holegained fine purpose.更多还原