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本篇文章通过对某高层建筑在超大基坑项目的施工过程中,所再用的土体自然放坡、复合土钉墙,深层采用钻孔灌注桩结合旋喷锚杆桩的支护形式进行了详细的描述,并且介绍来了其中的三轴搅拌桩、土钉墙、旋喷锚杆桩的施工方式以及土方挖掘方式进行了优化。根据实际运用的结果显示,使用这种支护形式的基坑完全能够满足任何建筑工程的设计和施工需求,而且基坑发生的变形量完全在设定的范围之内。
This article passes a natural grading and composite soil nail wall for a high-rise building during the construction of a super large foundation pit project, and uses a deep bored pile in combination with a rotary spray bolt pile to support the form. A detailed description was given, and the construction methods of triaxial mixing piles, soil nailing walls, and rotary spray bolted piles were introduced and the earthwork excavation methods were optimized. According to the results of practical application, the use of this type of retaining pit can completely meet the design and construction requirements of any construction project, and the deformation of the foundation pit is completely within the set range.