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在了解这个规范以前,我们必须要先了解一下什么是手脚架哦!脚手架指施工现场为工人操作并解决垂直和水平运输而搭设的各种支架。建筑界的通用术语,指建筑工地上用在外墙、内部装修或层高较高无法直接施工的地方。主要为了施工人员上下干活或外围安全网围护及高空安装构件等,说白了就是搭架子!接下来再给你说说规范吧!一、脚手架的作用和要求:1、脚手架的作用:(1)操作平台(2)堆放材料(3)短距离水平运输2、脚手架的基本要求:(1)足够强度、刚度、稳定性;(2)足够面积;(3)安全,符合高空作业要求;(4)构造简单,装拆方便;(5)因地制宜,就地取材。3、脚手架的载荷要求:砌筑工程每平方米2700N,装饰工程每平方米2000N,里脚手架每平方米2500N,挑脚手架每平方米1000N,特殊情况要通过计算来决定。4、脚手眼留设规定:单排外落地式脚手架应在墙面上留设脚手眼,作为小横杆在墙上的支点,注意不允许留脚手眼的部位:土坯墙、土打墙、空心砖墙、空斗墙、独立砖柱、半砖墙及180厚的砖墙,砖过梁上及与过梁成60度角三角形范围,门窗洞口两侧3/4砖和1?砖的范围内。二、脚手架的分类:1、按搭设位置不同:外、里脚手架;2、按材料分:木、竹、钢制脚手架三、外脚手架外脚手架是指搭设在外墙外面的脚手架。其主要结构形式有钢管扣件式、碗扣式、门型、方塔式、附着式升降脚手架和悬吊脚手架等。在建筑施工中要大力推广碗扣式脚手架和门型脚手架。1.钢管扣件式脚手架(1)钢管扣件式脚手架的构造:钢管扣件式脚手架主要由钢管和扣件组成。主要杆件有立杆、大横杆、小横杆、斜杆和底座等。钢管扣件脚手架的基本形式有双排式和单排式两种,其构造如图3.1所示。扣件用于钢管之间的连接,基本形式有三种:a、对接扣件用于两根钢管的对接连接;?b、旋转扣件用于两根钢管呈任意角度交叉的连接;?c、直角扣件用于两根钢管呈垂直交叉的连接。(2)构造要求:立杆间距:大横杆步距和小横杆间距可按表3.1选用,最下一层步距可放大到1.8m,便于底层施工人员的通行和运输。剪刀撑:设置在脚手架两端的双跨内和中间每隔30m净距的双跨内,仅在架子外侧与地面呈45°布置。连墙杆:每3步5跨设置一根,其作用不仅防止架子外倾,同时增加立杆的纵向刚度,2.碗扣式脚手架:杆件全部轴向连接,力学性能好3.门式钢管脚手架:由门式框架、剪刀撑和水平梁架或脚手板构成基本单元。门型脚手架又称多功能门型脚手架,是目前国际上应用最普遍的脚手架之一。(1)门型脚手架的构造及主要部件门型脚手架由门式框架、剪刀撑和水平梁架或脚手板构成基本单元,将基本单元连接起来即构成整片脚手架。门型脚手架的主要部件之间的连接形式有制动片式和偏重片式(2)门型脚手架的搭设程序门型脚手架一般按以下程序搭设:铺放垫木(板)→拉线、放底座→自一端起立门架并随即装剪刀撑→装水平梁架(或脚手板)→装梯子→需要时,装设通常的纵向水平杆→装设连墙杆→照上述步骤,逐层向上安装→装加强整体刚度的长剪刀撑→装设顶部栏杆。(3)门型脚手架的搭设与拆除搭设门型脚手架时,基底必须先平整夯实。外墙脚手架必须通过扣墙管与墙体拉结,并用扣件把钢管和处于相交方向的门架连接起来,如图3.8所示。整片脚手架必须适量放置水平加固杆(纵向水平杆),前三层要每层设置,如图3.9所示。三层以上则每隔三层设一道。在架子外侧面设置长剪刀撑。使用连墙管或连墙器将脚手架与建筑物连接。高层脚手架应增加连墙点布设密度。拆除架子时应自上而下进行,部件拆除顺序与安装顺序相反。四、里脚手架:一般用于墙体高度不大于4m的房屋。1、里脚手架常用于楼层上砌砖、内粉刷等工程施工。由于使用过程中不断转移施工地点,装拆较频繁,故其结构形式和尺寸应力求轻便灵活和装拆方便。?2、里脚手架的形式很多,按其构造分为折叠式里脚手架和门架式里脚手架。3、为了确保脚手架施工的安全,脚手架应具备足够的强度、刚度和稳定性。4、使用脚手架时必须沿外墙设置安全网,以防材料下落伤人和高空操作人员坠落。5、安全网要随楼层施工进度逐层上升。6、过高的脚手架必须有防雷设施。五、脚手板:1、种类:木、竹、薄钢、钢木材料。2、脚手板的铺设、对接/搭接要求及维护六、安全网的挂设1、里脚手砌外墙,外墙四周必须挂安全网;2、高层、多层建筑使用外脚手施工时,也要挂设安全网。最重要的就是安全了呢,友情提示哦!安全注意事项:1、做好安全教育,制定安全措施;2、技术交底;3、保证材料质量;4、架设人员持证上岗;5、搭设和使用过程经常检查;6、严禁拆除杆件;7、防雷;8、防电;9、搭拆时设围栏及警戒标志。大概就是这样哦!~希望能帮到你呢!要是觉得我的回答不错,可以给我点个赞哦!~
扣件式钢管脚手架计算手册详细介绍了钢管脚手架施工设计计算方法和操作注意事项。手册按《建筑施工扣件式钢管脚手架安全技术规范》JGJ130一2001提供的方法,对单、双排扣件式钢管脚手架搭设高度计算、立杆局部稳定计算、双管立杆计算、悬挑架计算、卸载计算、满堂脚手计算、模板支架计算等提出具体计算方法,并对计算作了一些简化,编制了相关表格,使脚手架搭设计算工作方便、容易。手册由经验丰富的高级工程师编写,理论与实际结合紧密,便于实际应用。
你好扣件式钢管脚手架品牌/型号:亨瑞/917门式脚手架|工作高度:1.7(m)|脚手架类别:脚手架轮直径:150(mm)|材料:Q235|型式:门式报价:270.00元扣件式钢管脚手架品种:钢管脚手架|工作高度:1000(m)|用途:脚手架内架支撑模板方木房建桥梁铁路施工工地高铁地铁隧道桥梁中铁中建中交中水利房地产开发商施工工地租赁报价:3600.00元扣件式钢管脚手架品牌/型号:鑫良脚手架/轮扣钢管脚手架|型号:轮扣钢管脚手架|工作高度:8000(m)型式:轮扣式脚手架|品种:扣件式钢管脚手架|用途:脚手架优点报价:3900.00元以上价格来源于网络,仅供参考,具体价格以购买时为准