DBJ50-123-2010 重庆市建筑护栏技术规程

住房和城乡建设部备案号：J11787-2010重庆市工程建设标准

DB重庆市建筑护栏技术规程Technical

specification

for

Building

Guardrail

Chongqing2011-03-16 发布 2011-05-01 实施重庆市城乡建设委员会 发布Technical

specification

for

Building

Guardrail

Chongqing

重庆市城乡建设委员会关于发布《建筑护栏技术规程》的通知DBJ50-123-2010,

3.1.14.2.24.2.6

关于同意重庆市《建筑护栏技术规程》地方标准备案的函

你委《关于工程建设地方标准建筑护栏技术规程备案的申请》收悉。经研究，同意该标准作为

3.1.14.1.44.2.24.2.3

建筑护栏作为重要的建筑非结构构件，其安全性、耐久性直接影响到人民群众财产和生命的安全，一旦出现质量问题后患无穷。为规范建筑护栏的设计、施工、检测、验收以及对原材料和产品的要求，消除建筑护栏事故隐患，确保建筑护栏的安全和正常使

4.2.54.2.6的解释。在执行过程中，请各单位结合工程实践，认真总结经验，并将意见和建议寄交重庆市渝中区长江一路

58

号重庆市建设工程质量监督总站（邮编：400014；E-mail：

本规程主编单位：重庆市建设工程质量监督总站本规程参编单位：重庆市设计院本规程参加单位：本规程主要起草人员：周祖怀 本规程主要审查人员：

··························································1术语和符号···························································22.1

··················································22.2

······················································2基本规定································································43.1

··················································43.2

······················································4 计···························································54.1

··················································54.2计···················································54.3

··················································64.4

··················································94.5

·················································14

·························································155.1 定··················································155.2 栏··········································155.3 栏················································165.4

··············································

5.5栏··················································175.6地··················································17

····························································186.1 定··················································186.2验··················································18

··········································保养和维护 ··················································217.1定···················································217.2护·················································21

护栏水平荷载推力试验··············································22附录

玻璃抗冲击性能试验··············································25

硅酮结构密封胶的计算··············································26明·······················································27录·······················································28明···························································30Contents General

Provisions·············································1 Terms

································································2Basic

Requirements

············································33.1General

Provision

···············································33.2 Material

·······················································3Design

······························································44.1 General

Provision

············································44.2Architecture

Design

············································44.3 Guardrail

Calculation

············································5

············································9

··········································14 Construction························································15

·················································155.2Masonry

and

Concrete

Guardrail

··································155.3 Metal

Guardrail

···············································165.4 Glass

Combination

Guardrail

··································16

··············································175.6 Lightningproof

Grounding

·······························17 Check

and

Acceptance

···············································186.1 General

Provision

·············································18

·································186.3 Construction

Inspection····································19

····································196.5 Material

Verification

····································20 Maintenance

···············································217.1 General

Provision

···············································217.2 Inspection

and

Maintenance

·······························21Appendix

Horizontal

Load

Test.

Thrust

Guardrail

····················22Appendix

Glass

shock

Resistance

Test

·······························24

·······························25

·················································26 术语和符号2.1

护栏由框架和玻璃面板组成。框架采用金属或其它材质制作，在使用过程中，框架

采用建筑玻璃作为主受力构件，玻璃栏板在使用过程中直接承受水平荷载的护栏形

.2

符号12 G-----G------Q

活荷载产生的效应；W风荷载产生的效应；砌体护栏的高度；砌体护栏的厚度；r-----C----构造柱的间距；S-----栏板的短边长度；栏板短边和长边宽度；S----g-----立柱高度； O-------K------G------；Q------W---W-----C-----基本规定3.1 一般规定3.1.1 3.1.2 护栏设计必须满足建筑物的使用功能和安全要求。 3.2

4.1一般规定

4.1.4

4.1.4

建筑护栏的安全等级

4.2 建筑设计

0.22m，

4.2.5童攀登的构造。当采用垂直杆件做护栏时，其杆件净距不应大于

商业服务建筑、体育建筑、园林景观建筑等允许少年儿童进入活动的场所，当采用垂直杆件做护栏时，其杆件净距也不应大于

0.11m。 托儿所、幼儿园、中小学和少年儿童专用场所的楼梯梯井宽度大于

梯井宽度大于

0.11m

其杆件净距不应大于

0.11m。

4.2.13残疾人使用的走道、4.3护栏计算

f

木结构00普通和薄壁型钢0000玻璃结构00混凝土结构00

f

R

M

4.3.2

4.3.2

0

Q

Q

S

GSG

QSQ

WWSW

SGSQSW

G

、

W、

Q

W

进行构件挠度计算时，均应采用荷载或作用的标准值进行计算，并应满足式4.3.2--24.3.7当构件在两个方向均产生挠度时，应分别计算各方向的挠度uxuyuxuy

2Hh

22

2HhT

22

2Hh

22c

H

b

4.4

护栏构造

1）不锈钢：主要受力杆件壁厚不应小于

2.0mm，一般杆件及连接饰件不应小于

16.76mm

主体为砌体结构时，主体结构与护栏连接处应设置尺寸不宜小于

240mm×240mm×180mm

4.5 防雷接地4.5.1 金属类护栏应符合下列要求：

屋面护栏的构件，当满足下列条件：圆钢直径不小于

12mm、扁钢截面积不小于

与建筑物防雷引下线可靠连通接地，连接间距应符合《建筑物防雷设计规范》GB50057 4.5.2 非金属类护栏应符合下列要求：

5.1一般规定 5.2砌体及混凝土护栏

5.3金属类护栏

5.4 玻璃组合护栏

玻璃与构件槽口的配合尺寸和玻璃嵌入深度应符合设计要求，两边支承时玻璃嵌

5.5木质护栏 5.6防雷接地

检验和验收6.1一般规定

饰面板（砖）工程、涂饰工程和防雷及接地安装工程等，除应按《建筑装饰装修工程质

6.2 施工检验

混凝土护栏和砌体护栏的钢筋工程隐蔽验收按相应专业工程质量验收规范的规

6.2.11属护栏应做防腐涂料

接测试仪和接地电阻测试仪；等电位连接测试结果应符合《建筑防雷施工质量控制与验

6.3 资料核验 保养和维护7.1一般规定 单位应在设计文件中注明。竣工验收时，施工单位应向建设单位提供《建筑护栏使用维 7.2检查与维修附录A护栏水平荷载推力试验A.1一般规定靠护栏立柱底部受力的长护栏宜取具有代表性的受力单元从顶部至底部竖向

以上四种类型护栏的加载部位均为选定加载单元的整个护栏顶部。除第一种类型的 试验荷载布置应符合设计的要求。当试验荷载布置不能完全与设计的要求相符

为跨中位移减去两端位移的平均值；对于悬臂护栏构件，仅需在悬臂端部布置百分表，A.2承载力检测

A.3验收检测

附录B：玻璃抗冲击性能试验

cs

cs

）；

c

wa2000f1

c

q

）；t

ts

us2

us

hg

H300

tsushgH

本规范用词说明

行”。引用标准名录

重庆市工程建设标准重庆市建筑护栏技术规程DBJ50-123-2010条文说明2011重庆

·································································32基本规定······························································333.1··········································3.2 ··········································设计··································································354.1 ··········································4.2··········································4.3 ··········································4.4··········································4.5··········································

·································································385.1··········································5.4··········································5.5··········································5.6 ··········································6.1··········································6.2··········································6.3····································································································427.1··········································7.2··········································

护栏水平荷载推力试验··············································43

玻璃抗冲击性能试验················································45 事故也时有发生。尤其是室外阳台大量使用的金属护栏，锈蚀情况相当严重，维护工作鉴于建筑护栏使用安全涉及城市公共安全，有必要加强其技术保障，为此编制了此复杂性，只能根据不同的安全和耐久要求，参照执行本规程。关于本规程建筑护栏适用本条对建筑护栏在地震荷载作用下如何防止其破坏后伤害人体的问题从设计角

被甩出伤人，且有致人死亡情况。因此，建筑护栏的设计应结合建筑抗震有关要求采取

基本规定3.1 一般规定3.2

用防火剂对木材浸注。木材的燃烧性能等级应符合《建筑内部装修设计防火规范》 4.1一般规定建筑护栏是保证人们安全的重要建筑维护结构，护栏必须要有足够的刚度和强度，并与其它建筑部件可靠连接。在受外力作用时不产生大的变形，才能满足使用和安GB

,建筑设计 便于人们把握，是充分考虑了人们的使用要求和生活习惯。而且扶手的连接和安装必须

4.2.10筑护栏上如有花池或落容易使行人受伤。设置围栏或雨棚等防坠落措施，可使花盆等不易坠落或坠落时不至4.2.11 们在高处时容易产生 避免发生摔倒的危险。因此，建筑物公共部位护栏扶手的设置应充分考虑不同人群，特别是行动不便者和儿童的使用需求。扶手安装的位置和高度及选用的形式是否合适，将直接影响到使用效果，扶手不仅能协助不同使用者在通行上的便利，同时也给人们行走带来安全和方便。本条文对扶手高度、截面尺寸等作了规定，是为了保证扶手在使用上的安全性、连贯性和易于抓握及控制力度，给使用者带来安全和方便。专供行动不便者

4.2.13 残疾人使用的走道、

护栏计算GB

用功能要求，规定护栏构件采用弹性方法计算其内力位移。护栏的承载力、变形等计算

护栏构造441

442 混凝土护栏的构造要求依据《混凝土结构设计规范》GB50010-2002

443444接方式作出规定。玻璃组合护栏的形式主要有点支式玻璃组合护栏和框支承式玻璃组合护栏；框支承式玻璃组合护栏按照玻璃嵌槽长度有分为嵌槽式、短嵌槽式等。点支式玻璃组合护栏是指栏板玻璃采用专用驳接件安装于框架上，玻璃四角承受水平荷载；玻璃组合护栏中玻璃栏板边缘未通过长嵌槽，玻璃边缘嵌槽总长小于二分之一玻璃边长的固445446对焊缝、螺栓、化学锚栓、预埋件作出了最低要求的规定。连接件、螺栓、化学锚栓、防雷接地451

30

IEC1024-1

本条主要是等电位措施。钢筋混凝土结构的建筑物其均压效果比较好，梁与柱内的

25kv

可以击穿使楼板均压，在楼板上放置的东西和人将不会损坏和出项安全问题。值得引起此时有两种情况，其一是金属管带高电位向周围和金属物跳击，另一种情况是结构中的钢筋带高电位向管子跳击。由于雷电流的数值（经过多次分流）不易计算，因此本条规 一般规定

到和评判其工艺状况，还可以对材料、做法、效果等进行直接检查，相当于验收的实物标准。样板件主要是对相同材料、型式和工艺的护栏在现场制作，经参建各方（建设、监理、设计、施工）检查确认后方可进行全面施工。施工中应注意，样板件的技术资料玻璃组合护栏支承完整，其长度可根据玻璃板面的大小和厚度适当增加。定位块用于玻璃的边缘与框

或扁钢的连接线，以满足护栏作接地时方便施工的要求和条件；护栏与预留接地端子的连接导体宜采用圆钢或扁钢，宜优先采用圆钢，圆钢直径不应小于

10，扁钢截面不小

检验和验收6.1一般规定6.1.1～6.1.4 本标准的护栏工程验收按《建筑工程施工质量验收统一标准》GB50300

护栏工程中的混凝土结构工程、砌体工程、钢结构工程、木结构工程、抹灰工程、饰面板（砖）工程、涂饰工程和防雷及接地安装工程等，涉及到《混凝土结构工程施工

6.2施工检验计的连接方式与锚固区是否相适应，如砖砌体锚固区不应采用膨胀螺栓的锚固方法；安 护栏的高度与竖向构件的间距是否符合规范的要求，同时应按要求进行水平荷载推力试验检测护栏和玻璃组合护栏玻璃抗冲击性能试验检测，施工样板检查合格后方可进行施 6.2.8～6.2.10

金属护栏、玻璃组合护栏和木护拦的设计、施工质量对护栏的可靠性影响很大，公共场所、学校教学楼等人流较大，发生意外时对护栏的水平推力很大，应当6.2.11 见的金属护栏材料主候性材料，不锈钢、铝合金材料的表面耐候处理是在生产厂家完成，材料进场时应检查质量保证资料，必要时进行复验；普通黑色金属的表面耐候处理主要以施工现场完成，

6.3 验收资料核查检验保养和维护7.1一般规定

定的，或建设单位对建设工程的合理使用年限有特殊要求的，须由建设单位与设计单位

程设定了“建筑护栏竣工验收时，施工单位应向建设单位提供《建筑护栏使用维护说明 7.2 检查与维护件与主体结构之间的连接锚固，都会随着使用时间的增长，特别是不规范的使用导致建筑护栏连接锚固松动甚至整体晃动以至破坏，发生护栏坠落伤人或人员坠落伤亡，因此 附录护栏水平荷载推力检测A.1一般规定A11 2%A13 A115 GB50009

在试验时施加水平线荷载操作困难而往往采用荷载等效的原则采用集中力加载。等效荷载是指加在构件上，使试件产生的内力图形和计算简图相近、控制截面的内力值相等的荷载。采用等效荷载时，考虑由于加载图式的改变对构件挠度的影响而引进挠度修正系挠度修正系数为按照弹性理论计算得到的均布荷载图式跨中挠度与等效集中荷载图式跨中挠度之比。在常用的二集中力三分点加载情况下，按跨中弯矩等效计算得挠度修

0.98A16 承载力检测A222承载力检测的目的是通过破坏试验检验护栏的承载能力，当采用新的锚固方式、安装工艺或杆体材料而没有相应的实践资料等情况下应进行基本试验，以确定该种护栏类型的承载力。试验用护栏的平面尺寸、杆体材料等应与实际工程用护栏保持一致。对于有实际工程应用经验的常规铁制护栏、木质护栏、玻璃护栏等可不做基本试A23A25护栏的破坏分为护栏整体与相连的锚固件间的拉接破坏和护栏自身材料及自身A.3 验收试验A32 A33GB50009

A36 附录玻璃抗冲击性能检测 DB50/T5003-19971998-1-1DB50/T5007-19991999-7-1DB50/T5008-19991999-7-1DB50/T5016-2000DB50/T5017-20002001-2-12001-12-12002-6-1DB50/T5025-20022003-1-12004-2-2102004-2-2122004-2-10132004-3-514DBJ/T505-115DBJ5010-116DBJ/T5012-117DBJ/T5012-118DBJ5012-119DBJ505-120DBJ/T505-121DBJ/T505-122DBJ507-123DBJ501-124DBJ509-125DBJ/T5010-126DBJ503-127DBJ503-128DBJ50-048-2006LS

2006-5-129DBJ507-130DBJ5010-131DBJ501-132DBJ509-133DBJ/T5010-134DBJ5012-135DBJ501-136DBJ501-1重庆市工程建设标准目录37DBJ503-138DBJ503-139DBJ503-140DBJ/T506-141DBJ/T506-142DBJ5010-143DBJ5010-144DBJ5010-145DBJ/T502-146DBJ/T5010-147DBJ/T502-148DBJ501-149DBJ501-150DBJ50-071-2010

65%2010-6-151DBJ502-152DBJ504-153DBJ/T506-154DBJ/T507-1055DBJ/T507-1056DBJ/T503-157DBJ509-158DBJ509-159DBJ/T5010-160DBJ50-081-200861DBJ/T5012-162DBJ/T501-163DBJ/T502-164DBJ502-165DBJ502-166DBJ/T50-087-2008

2009-2-167DBJ/T503-168DBJ/T505-169DBJ/T505-170DBJ/T506-171DBJ/T506-172DBJ/T50-093