DB11/T 2208-2023 附着式升降脚手架安全技术标准
DB11/T 2208-2023 Attachment-type lifting scaffolding safety technical standards
基本信息
发布历史
-
2023年12月
研制信息
- 起草单位:
- 起草人:
- 出版信息:
- 页数:48页 | 字数:- | 开本: -
内容描述
UG
北京市地方标准
DB
编号:DB11/T2208-2023
附着式升降脚手架安全技术标准
Standardforsafetyandtechnologyofattachedliftingscaffold
2023-12-27发布2024-04-01实施
北京市住房和城乡建设委员会
联合发布
北京市市场监督管理局
1
北京市地方标准
附着式升降脚手架安全技术标准
StandardforSafetyandtechnologyofattachedliftingscaffold
编号:DB11/T2208-2023
主编单位:中建三局集团有限公司
中国基建物资租赁承包协会
北京城建北方集团有限公司
批准部门:北京市市场监督管理局
施行日期:2024年04月01日
2023北京
2
前言
根据北京市市场监督管理局《2021年北京市地方标准制修订项目计划(第一批)》(京市
监发〔2021〕19号)的要求,标准编制组经广泛调查研究,认真总结实践经验,参考国内外相
关标准,并在广泛征求意见的基础上,制定本标准。
本标准的主要技术内容是:1总则;2术语和符号;3基本规定;4构配件;5设计计算及选
用;6构造;7安装、提升、使用、拆除;8安全管理。
本标准由北京市市场监督管理局和北京市住房和城乡建设委员会共同管理,由北京市住房和
城乡建设委员会归口并负责组织实施,由中建三局集团有限公司负责具体技术内容的解释。在执
行过程中如有意见和建议,请寄送中建三局集团有限公司(地址:北京市大兴区北兴路30号8
层;邮编:100176;电话:010-60290982;电子邮箱:hejingsu@)。
本标准主编单位:中建三局集团有限公司
中国基建物资租赁承包协会
北京城建北方集团有限公司
本标准参编单位:中国建筑一局(集团)有限公司
中国建筑第二工程局有限公司
中国建筑第五工程局有限公司
中国建筑第八工程局有限公司
中国新兴建筑工程有限责任公司
北京市住宅产业化集团股份有限公司
江西志特新材料股份有限公司
中建一局集团建设发展有限公司
中建-大成建筑有限责任公司
北京京能建设集团有限公司
中天建设集团有限公司
北京双圆工程咨询监理有限公司
北京卓良模板有限公司
河北亿安工程技术股份有限公司
中建一局集团第二建设有限公司
中建一局集团第三建筑有限公司
1
中建一局集团建设发展有限公司
中建一局集团第五建筑有限公司
中建二局第三建筑工程有限公司
北京城建亚泰建设集团有限公司
中建二局第一建筑工程有限公司
中建三局集团北京有限公司
北京市第三建筑工程有限公司
中建城市建设发展有限公司
北京城建五建设集团有限公司
中建一局集团华北建设有限公司
中建一局集团东南建设有限公司
北京中铁建建筑科技有限公司
北京腾飞鑫龙建筑安装有限公司
本标准主要起草人员:赵虎军秦长金王振兴喻迺秋许立山陈红
李浩卢松刘志坚沈永革孙元民彭辉
詹必雄陈硕晖刘嘉茵高渭泉詹进生郭庆生
柯江华戴连双杨思忠梅晓丽韩友强蒋小军
吉柳彧刘相涛李金元徐巍董佳节蔡昭辉
程峰张少芳赵猛黄勇彭其兵张静涛
郭克石孔涛涛田正章费恺王允平吴胜通
牛慧斌赵华颖蒋凯吴晓刚刘毅夫张晓亮
林旭峰屈虹司永波于德强薛文军于晓辉
白乙含谭国炜张学东季文君崔智汤德芸
康雷张振鹏谢阳光谭占峰陈辉
本标准主要审查人员:沈海晏雷丽英孙维振王峰李明魏巍解金箭
2
目次
1总则...............................................................................................................................................................................1
2术语和符号...................................................................................................................................................................2
2.1术语........................................................................................................................................................................2
2.2符号........................................................................................................................................................................4
3基本规定........................................................................................................................................................................6
4构配件.............................................................................................................................................................................7
5设计计算及选用.........................................................................................................................................................8
5.1一般规定...............................................................................................................................................................8
5.2荷载及荷载组合.................................................................................................................................................9
5.3现浇混凝土结构用架体构件选用...............................................................................................................11
5.4装配混凝土结构预制外墙用架体构件选用............................................................................................12
6构造..............................................................................................................................................................................14
6.1一般规定.............................................................................................................................................................14
6.2竖向主框架........................................................................................................................................................15
6.3架体构架.............................................................................................................................................................16
6.4水平支承结构....................................................................................................................................................16
6.5附着支承装置....................................................................................................................................................16
6.6防倾覆装置........................................................................................................................................................17
6.7防坠落装置........................................................................................................................................................17
6.8卸荷顶撑.............................................................................................................................................................18
6.9提升机构.............................................................................................................................................................19
6.10同步控制装置...................................................................................................................................................19
6.11安全防护装置...................................................................................................................................................20
6.12装配混凝土结构预制外墙用架体..............................................................................................................21
7安装、提升、使用、拆除.....................................................................................................................................22
7.1一般规定.............................................................................................................................................................22
7.2安装......................................................................................................................................................................22
7.3提升......................................................................................................................................................................24
7.4使用......................................................................................................................................................................24
7.5拆除......................................................................................................................................................................25
7.6检查、维护与保养..........................................................................................................................................25
8安全管理.....................................................................................................................................................................26
附录A构配件常用材料设计指标..........................................................................................................................27
本标准用词说明............................................................................................................................................................29
引用标准名录................................................................................................................................................................30
附:条文说明................................................................................................................................................................31
1
Contents
1GeneralProvisions···········································································1
2TermsandSymbols·········································································2
2.1Terms······················································································2
2.2Symbols···················································································4
3BasicRequirements·········································································6
4PerformanceofComponents·····························································7
5DesignCalculationsandSelectionConditions········································8
5.1GeneralRequirements··································································8
5.2LoadsandLoadEffectCombinations··················································9
5.3SelectionConditionsofScaffoldBody················································11
5.4SelectionConditionsofAttachedLiftScaffoldforPrecastConcreteExteriorWalls12
ofPrefabricatedBuilding
6Construction·················································································14
6.1GeneralRequirements··································································14
6.2VerticalMainFrame····································································15
6.3StructureofScaffoldBody·····························································16
6.4HorizontalSupportingTruss···························································16
6.5AttachedSupportingStructure·························································16
6.6PreventOverturnEquipment···························································17
6.7PreventFallingEquipment·····························································17
6.8StoppingDevice········································································18
6.9LiftMechanism·········································································19
6.10Synchro-controlEquipment···························································19
6.11SafetyProtectionEquipment··························································20
6.12AttachedLiftScaffoldforPrecastConcreteExteriorWallsofPrefabricated21
Buildings
7Installation,Lifting,UsageandDisassembly··········································22
7.1GeneralRequirements··································································22
7.2Installation··············································································22
7.3Lifting···················································································24
7.4Usage····················································································24
7.5Disassembly·············································································25
7.6Inspection,ProtectionandMaintenance······················································25
8SafetyManagement·········································································26
AppendixADesignIndex······································································27
ExplanationofWordinginThisStandard·················································29
ListofQuotedStandards······································································30
Addition:ExplanationofProvisions·························································31
2
1总则
1.0.1为规范附着式升降脚手架的设计、使用与管理,确保安全生产,制定本标准。
1.0.2本标准适用于北京市行政区域内建筑工程施工用附着式升降脚手架的设计、安装、升降、
使用、检查、维护与保养、拆除的安全技术管理。
1.0.3附着式升降脚手架的设计、安装、升降、使用、检查、维护与保养、拆除,除应符合本标
准外,尚应符合国家和北京市现行有关标准的规定。
1
2术语和符号
2.1术语
2.1.1附着式升降脚手架protectionplatformforadheringtypeliftingoperation
由竖向主框架、水平支承结构、架体构架、附着支承装置、升降机构、同步控制装置及金属
脚手板、安全立网等组成。由工厂加工制作,现场组装,通过附着支承装置附着于建筑结构上,
为主体结构和装饰装修施工提供多层安全防护平台的组合结构,简称爬架。
2.1.2竖向主框架verticalmainframe
由内立杆、外立杆、Z字撑(或三角撑)、导轨组成,垂直于建筑结构外立面,通过附着支
承装置与建筑结构连接,将架体所承受竖向和水平荷载传至建筑结构的竖向刚架。
2.1.3导轨slideway
受附着支承装置约束,引导架体升降的竖向轨道。
2.1.4水平支承结构horizontalsupportingtruss
平行于建筑结构,主要承受架体竖向荷载,并将竖向荷载传递至竖向主框架的纵向支承结构,
包括杆件螺栓组合式和焊接桁架组合式。
2.1.5架体构架structureofscaffoldbody
由架体立杆、三角撑(或Z字撑)、纵向水平杆等构件组成,位于相邻两榀竖向主框架之间,
由竖向主框架与水平支承结构支承的架体。
2.1.6附着支承装置attachedsupportingstructure
由附着支座、防倾覆装置、防坠落装置、卸荷顶撑、附着螺栓等构件组成,附着在建筑结构
上,通过导轨与架体竖向主框架连接,承受并传递架体荷载的支承结构,且具有导向、防倾覆、
防坠落功能。
2.1.7附着支座attachedbearing
架体与建筑结构相连接的构件,承受并将架体上的荷载传递至建筑结构。
2.1.8防倾覆装置preventoverturnequipment
防止爬架在升降或使用过程中发生倾覆的装置,具有防倾覆和导向功能。
2.1.9防坠落装置preventfallingequipment
防止爬架在升降或使用过程中发生坠落的制动装置。
2.1.10卸荷顶撑stoppingdevice
当爬架停在某一高度时,将架体的全部荷载传递到附着支座的承力装置。
2.1.11升降机构liftingmechanism
由电动或液压升降设备、提升支座、架体吊点等构件组成,控制爬架升降运行的动力机构。
2
2.1.12同步控制装置synchro-controlequipment
由总控箱、分控箱、荷载传感器或位移传感器等构件组成,在爬架升降中控制各机位的动力
设备运行状态,使各机位的荷载或高差保持在设计允许范围内的电气控制系统。
2.1.13架体高度heightofscaffoldbody
架体底端至防护顶部的高度。
2.1.14架体宽度widthofscaffoldbody
架体内、外排立杆轴线之间的水平距离。
2.1.15架体支承跨度supportedspanofthescaffoldbody
两相邻竖向主框架支撑点处架体外侧的水平距离。
2.1.16悬臂高度cantileverheight
最高附着支承点以上的架体高度。
2.1.17水平悬挑长度overhanglength
架体端部的竖向主框架中心轴线至架体端部之间的水平距离。
2.1.18金属脚手板metalscaffoldboard
由边框、横肋、面板等组成,固定于竖向主框架及内、外立杆之间,作为作业平台的金属制
脚手板,简称脚手板。
2.1.19架体步距liftheightofthescaffoldbody
沿架体高度方向相邻横向水平杆轴线或脚手板之间的距离。
3
2.2符号
2.2.1作用和作用效应
Gk——永久荷载标准值;
S——荷载效应组合设计值;
SGk——永久荷载标准值的效应;
SQk——施工活荷载标准值的效应;
Swk——风荷载标准值的效应;
wk——风荷载标准值;
w0——计算风压。
2.2.2计算指标
f——钢材的抗拉、抗压、抗弯强度设计值;
fce——钢材的端面承压强度设计值;
fv——钢材的抗剪强度设计值;
fy——钢材的屈服强度;
fu——钢材的抗拉强度最小值;
bbb
ft、fv、fc——螺栓的抗拉、抗剪和承压强度设计值;
www
ft、fv、fc——对接焊缝的抗拉、抗剪和抗压强度设计值;
w
ff——角焊缝的抗拉、抗剪和抗压强度设计值。
2.2.3计算系数
An——架体迎风面挡风面积;
Aw——架体迎风面面积;
βz——高度z处的风振系数;
φ——挡风系数;
γ0——结构重要性系数;
γG——永久荷载分项系数;
γQ——可变荷载分项系数;
4
µz——风压高度变化系数;
µs——风荷载体型系数。
2.2.4几何参数
[v]——挠度限值。
5
3基本规定
3.0.1爬架应构件配套、体系完整、构造合理、防护严密、牢固可靠,满足施工生产及安全要求。
3.0.2爬架应是空间几何不变体系,其设计、安装、升降、使用及拆除应符合下列规定:
1具有安全防护功能;
2具有导向、防倾覆、防坠落和同步升降控制等功能;
3满足承载力和正常使用要求;
4不损害所附着的建筑结构。
3.0.3架体宜采用全钢结构,当采用其他材质时,应满足承载力和正常使用要求。
3.0.4专业承包单位应提供下列质量证明文件:
1产品合格证书;
2产品使用说明书;
3检验报告:产品检验报告、现场检验报告等;
4爬架的实际应用高度不应超过产品检验报告。
3.0.5施工总承包单位和专业承包单位应建立健全安全生产管理制度,明确各方职责;爬架安装、
提升、拆除应由专业承包单位完成;专业承包单位应配备相应专职管理人员和操作人员,操作人
员应持特种作业证上岗。
3.0.6施工前专业承包单位应编制专项施工方案,按照住房和城乡建设部和地方政府规定进行方
案审批、论证和交底后组织实施;施工方案需要修改时,应按相关规定执行;爬架按照相关规定
组织联合验收合格后方可使用。
3.0.7架体下降作业时,应编制专项施工方案并满足相关标准规定。
3.0.8爬架应设置安全立网、脚手板及水平金属翻板。
3.0.9计算风压取值应符合下列规定:
1使用工况按作业面6级风速上限;
2提升工况按作业面5级风速上限;
3其他工况采用重现期10年的风压值。
3.0.10作业面遇5级及以上风或大雨、大雪、浓雾等恶劣天气或影响正常施工的恶劣条件时,应
停止作业。
6
4构配件
4.0.1构配件应符合下列规定:
1不应采用铸铁材料制作;
2当采用碳素结构钢制作时,其材质不应低于现行国家标准《碳素结构钢》GB/T700
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