0 原煤仓上人马道搭设拆除方案 1、工程概况 本工程为黄陵矿业集团一号井煤矿原煤储煤场技改工程原煤仓工程, 由 3个圆形筒仓 组成,仓内径均为φ 30m,筒壁厚度为 450mm。基础为桩承台,环梁,连梁结构。室内回 填土填至标高 0.5m。建筑物地面上总高度 77m,其中筒高度为 60m,结构采用筒体及框架 结构体系,基础承台环梁、连梁采用 C35砼,钢筋保护层为 50mm,▽+4.78m以下筒壁采 用 C40砼,抗渗 P6,其他部位为 C40砼。拟搭设落地式扣件式多排脚手架的上人斜道两座。 总搭设高度约为 72m。上人斜道为 6m3 2.2m,高度 72m,步距 1.8m,横距 1.0m。C仓单独搭 设马道, A 仓、B 仓之间搭设马道。脚手架在基础承台底开始搭设,基础清至原始土层 , 回填 300mm厚灰土,浇筑 200mm厚的 C20混凝土,基础顶标高为▽ -2m,立杆(穿铁鞋)
T8商务综合楼等 7 项 马道脚手架搭拆专项施工方案 目 录 一、编制依据 ················································································································· 1 二、工程概况 ················································································································· 1 三、马道的定位 ·············································································································· 1