5#楼脚手架方案

目 录

一.编制依据 .................................................................................................................................. 3 一.工程概况 ........................................................................................................................................ 3 二.脚手架材料用量 ........................................................................................................................... 3 三.脚手架构造参数 ........................................................................................................................... 3 3.1.脚手架类型 ............................................................................................................................... 3 3.2.脚手架构造参数 ...................................................................................................................... 4 四.脚手架搭设构造要求 .................................................................................................................. 4 4.1基础 ............................................................................................................................................ 4

4.1.1悬挑部分: ..................................................................................................................... 9 4.2.脚手架搭设顺序 ...................................................................................................................... 9 4.3.立杆搭设 ................................................................................................................................. 10 4.4.扫地杆设置 ............................................................................................................................. 10 4.5.大横杆搭设 ............................................................................................................................. 10 4.6.小横杆搭设 ............................................................................................................................. 10 4.7.剪刀撑、横向斜撑搭设 ...................................................................................................... 10 4.8.脚手板铺设 ............................................................................................................................. 11 4.9.挡脚板和栏杆 ........................................................................................................................ 11 4.10.连墙件 .................................................................................................................................... 11 4.11.扣件安装 ............................................................................................................................... 12 4.12.安全网布置 ........................................................................................................................... 12 4.13.出入口构造 ........................................................................................................................... 12 4.14. 避雷 ...................................................................................................................................... 12 五.脚手架搭设质量要求 ................................................................................................................ 12 六.脚手架拆除要点 ..................................................................................................................... 13 七.脚手架设计与计算 .................................................................................................................... 14 7.1、荷载标准值 ...................................................................................................................... 14 7.2、荷载效应组合 ................................................................................................................. 14 7.3、设计计算 ........................................................................................................................... 14

7.3.1单立杆轴向力计算: ................................................................................................. 14 7.3.2 槽钢验算 ....................................................................................................................... 15 7.3.3锚固钢筋验算 ............................................................................................................... 16 7.3.4楼面承载力计算: ...................................................................................................... 17 7.3.5立杆稳定性计算: ...................................................................................................... 18 7.3.6架子可搭设高度计算: ............................................................................................ 19 7.3.7受弯构件强度计算: ................................................................................................. 19

7.3.8 受弯构件挠度计算: ................................................................................................ 19 7.3.9扣件抗滑移计算: ........................................................................................................ 20 7. 3. 10连墙件的强度稳定性和连接强度的计算: ...................................................... 20 八.安全措施 ...................................................................................................................................... 20 九.脚手架成品保护 ......................................................................................................................... 22 十.主要施工图 .................................................................................................................................. 22

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一.工程概况

本工程位于枣庄市薜城区湘江路南侧,泰山南路西侧。建筑面积14070.53㎡,地下室二层,地上二十三层

地上部分层高: 2.9m, 檐口高度: 67.3m,

±0标高相当于绝对标高52.9m,室内外高差0.6m。

二.脚手架材料用量

名称 槽钢 规格 22号 20号 16号 6m 3m 1.8m 1.5m 直角扣 旋转扣 对接扣 250×3000mm 0.05×0.2×4m 绿色密目网1.8m高 0.85m×1-3m 数量 270 190 95 1425 6000 375 9750 27000 2250 10500 2175 1800 22500 750 单位 根 根 根 根 个 个 个 块 m3 m2 备注 4米长 4米长 4米长 合计:121950 米 ф48钢管 钢管扣件 脚手板 木板 安全网 合计:39750 个 合计:654000 m2 注:规格为0.85m×1-3m的安全网用于结构及装修施工期间内立杆与结构面之间的防护。

三.脚手架构造参数

3.1.脚手架类型

结合工程实际情况,该脚手架为结构脚手架。结构施工阶段为外防护及施工平台使用。

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