Taking the fence slope engineering of Kunyu 500 kV substation as an example,the mechanism and design method of soil nailing were introduced in this paper.Compared with the reinforced concrete retaining wall which was proposed firstly,the characteristics a%结合昆嵛500kV变电站边坡支护工程,详细介绍了土钉支护技术的工作机理和设计方法,并与原设计的混凝土挡土墙支护方案对比,说明土钉支护技术特点及优越性,为其在变电站中的推广应用提供借鉴。
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