DBJ50-123-2010 重慶市建筑護(hù)欄技術(shù)規(guī)程

住房和城鄉(xiāng)建設(shè)部備案號(hào)：J11787-2010重慶市工程建設(shè)標(biāo)準(zhǔn)

DB重慶市建筑護(hù)欄技術(shù)規(guī)程Technical

specification

for

Building

Guardrail

Chongqing2011-03-16 發(fā)布 2011-05-01 實(shí)施重慶市城鄉(xiāng)建設(shè)委員會(huì) 發(fā)布Technical

specification

for

Building

Guardrail

Chongqing

重慶市城鄉(xiāng)建設(shè)委員會(huì)關(guān)于發(fā)布《建筑護(hù)欄技術(shù)規(guī)程》的通知DBJ50-123-2010,

3.1.14.2.24.2.6

關(guān)于同意重慶市《建筑護(hù)欄技術(shù)規(guī)程》地方標(biāo)準(zhǔn)備案的函

你委《關(guān)于工程建設(shè)地方標(biāo)準(zhǔn)建筑護(hù)欄技術(shù)規(guī)程備案的申請(qǐng)》收悉。經(jīng)研究，同意該標(biāo)準(zhǔn)作為

3.1.14.1.44.2.24.2.3

建筑護(hù)欄作為重要的建筑非結(jié)構(gòu)構(gòu)件，其安全性、耐久性直接影響到人民群眾財(cái)產(chǎn)和生命的安全，一旦出現(xiàn)質(zhì)量問(wèn)題后患無(wú)窮。為規(guī)范建筑護(hù)欄的設(shè)計(jì)、施工、檢測(cè)、驗(yàn)收以及對(duì)原材料和產(chǎn)品的要求，消除建筑護(hù)欄事故隱患，確保建筑護(hù)欄的安全和正常使

4.2.54.2.6的解釋。在執(zhí)行過(guò)程中，請(qǐng)各單位結(jié)合工程實(shí)踐，認(rèn)真總結(jié)經(jīng)驗(yàn)，并將意見(jiàn)和建議寄交重慶市渝中區(qū)長(zhǎng)江一路

58

號(hào)重慶市建設(shè)工程質(zhì)量監(jiān)督總站（郵編：400014；E-mail：

本規(guī)程主編單位：重慶市建設(shè)工程質(zhì)量監(jiān)督總站本規(guī)程參編單位：重慶市設(shè)計(jì)院本規(guī)程參加單位：本規(guī)程主要起草人員：周祖懷 本規(guī)程主要審查人員：

··························································1術(shù)語(yǔ)和符號(hào)···························································22.1

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

······················································2基本規(guī)定································································43.1

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

······················································4 計(jì)···························································54.1

··················································54.2計(jì)···················································54.3

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

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

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

·························································155.1 定··················································155.2 欄··········································155.3 欄················································165.4

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

5.5欄··················································175.6地··················································17

····························································186.1 定··················································186.2驗(yàn)··················································18

··········································保養(yǎng)和維護(hù) ··················································217.1定···················································217.2護(hù)·················································21

護(hù)欄水平荷載推力試驗(yàn)··············································22附錄

玻璃抗沖擊性能試驗(yàn)··············································25

硅酮結(jié)構(gòu)密封膠的計(jì)算··············································26明·······················································27錄·······················································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 術(shù)語(yǔ)和符號(hào)2.1

護(hù)欄由框架和玻璃面板組成?？蚣懿捎媒饘倩蚱渌馁|(zhì)制作，在使用過(guò)程中，框架

采用建筑玻璃作為主受力構(gòu)件，玻璃欄板在使用過(guò)程中直接承受水平荷載的護(hù)欄形

.2

符號(hào)12 G-----G------Q

活荷載產(chǎn)生的效應(yīng)；W風(fēng)荷載產(chǎn)生的效應(yīng)；砌體護(hù)欄的高度；砌體護(hù)欄的厚度；r-----C----構(gòu)造柱的間距；S-----欄板的短邊長(zhǎng)度；欄板短邊和長(zhǎng)邊寬度；S----g-----立柱高度； O-------K------G------；Q------W---W-----C-----基本規(guī)定3.1 一般規(guī)定3.1.1 3.1.2 護(hù)欄設(shè)計(jì)必須滿足建筑物的使用功能和安全要求。 3.2

4.1一般規(guī)定

4.1.4

4.1.4

建筑護(hù)欄的安全等級(jí)

4.2 建筑設(shè)計(jì)

0.22m，

4.2.5童攀登的構(gòu)造。當(dāng)采用垂直桿件做護(hù)欄時(shí)，其桿件凈距不應(yīng)大于

商業(yè)服務(wù)建筑、體育建筑、園林景觀建筑等允許少年兒童進(jìn)入活動(dòng)的場(chǎng)所，當(dāng)采用垂直桿件做護(hù)欄時(shí)，其桿件凈距也不應(yīng)大于

0.11m。 托兒所、幼兒園、中小學(xué)和少年兒童專用場(chǎng)所的樓梯梯井寬度大于

梯井寬度大于

0.11m

其桿件凈距不應(yīng)大于

0.11m。

4.2.13殘疾人使用的走道、4.3護(hù)欄計(jì)算

f

木結(jié)構(gòu)00普通和薄壁型鋼0000玻璃結(jié)構(gòu)00混凝土結(jié)構(gòu)00

f

R

M

4.3.2

4.3.2

0

Q

Q

S

GSG

QSQ

WWSW

SGSQSW

G

、

W、

Q

W

進(jìn)行構(gòu)件撓度計(jì)算時(shí)，均應(yīng)采用荷載或作用的標(biāo)準(zhǔn)值進(jìn)行計(jì)算，并應(yīng)滿足式4.3.2--24.3.7當(dāng)構(gòu)件在兩個(gè)方向均產(chǎn)生撓度時(shí)，應(yīng)分別計(jì)算各方向的撓度uxuyuxuy

2Hh

22

2HhT

22

2Hh

22c

H

b

4.4

護(hù)欄構(gòu)造

1）不銹鋼：主要受力桿件壁厚不應(yīng)小于

2.0mm，一般桿件及連接飾件不應(yīng)小于

16.76mm

主體為砌體結(jié)構(gòu)時(shí)，主體結(jié)構(gòu)與護(hù)欄連接處應(yīng)設(shè)置尺寸不宜小于

240mm×240mm×180mm

4.5 防雷接地4.5.1 金屬類護(hù)欄應(yīng)符合下列要求：

屋面護(hù)欄的構(gòu)件，當(dāng)滿足下列條件：圓鋼直徑不小于

12mm、扁鋼截面積不小于

與建筑物防雷引下線可靠連通接地，連接間距應(yīng)符合《建筑物防雷設(shè)計(jì)規(guī)范》GB50057 4.5.2 非金屬類護(hù)欄應(yīng)符合下列要求：

5.1一般規(guī)定 5.2砌體及混凝土護(hù)欄

5.3金屬類護(hù)欄

5.4 玻璃組合護(hù)欄

玻璃與構(gòu)件槽口的配合尺寸和玻璃嵌入深度應(yīng)符合設(shè)計(jì)要求，兩邊支承時(shí)玻璃嵌

5.5木質(zhì)護(hù)欄 5.6防雷接地

檢驗(yàn)和驗(yàn)收6.1一般規(guī)定

飾面板（磚）工程、涂飾工程和防雷及接地安裝工程等，除應(yīng)按《建筑裝飾裝修工程質(zhì)

6.2 施工檢驗(yàn)

混凝土護(hù)欄和砌體護(hù)欄的鋼筋工程隱蔽驗(yàn)收按相應(yīng)專業(yè)工程質(zhì)量驗(yàn)收規(guī)范的規(guī)

6.2.11屬護(hù)欄應(yīng)做防腐涂料

接測(cè)試儀和接地電阻測(cè)試儀；等電位連接測(cè)試結(jié)果應(yīng)符合《建筑防雷施工質(zhì)量控制與驗(yàn)

6.3 資料核驗(yàn) 保養(yǎng)和維護(hù)7.1一般規(guī)定 單位應(yīng)在設(shè)計(jì)文件中注明?？⒐を?yàn)收時(shí)，施工單位應(yīng)向建設(shè)單位提供《建筑護(hù)欄使用維 7.2檢查與維修附錄A護(hù)欄水平荷載推力試驗(yàn)A.1一般規(guī)定靠護(hù)欄立柱底部受力的長(zhǎng)護(hù)欄宜取具有代表性的受力單元從頂部至底部豎向

以上四種類型護(hù)欄的加載部位均為選定加載單元的整個(gè)護(hù)欄頂部。除第一種類型的 試驗(yàn)荷載布置應(yīng)符合設(shè)計(jì)的要求。當(dāng)試驗(yàn)荷載布置不能完全與設(shè)計(jì)的要求相符

為跨中位移減去兩端位移的平均值；對(duì)于懸臂護(hù)欄構(gòu)件，僅需在懸臂端部布置百分表，A.2承載力檢測(cè)

A.3驗(yàn)收檢測(cè)

附錄B：玻璃抗沖擊性能試驗(yàn)

cs

cs

）；

c

wa2000f1

c

q

）；t

ts

us2

us

hg

H300

tsushgH

本規(guī)范用詞說(shuō)明

行”。引用標(biāo)準(zhǔn)名錄

重慶市工程建設(shè)標(biāo)準(zhǔn)重慶市建筑護(hù)欄技術(shù)規(guī)程DBJ50-123-2010條文說(shuō)明2011重慶

·································································32基本規(guī)定······························································333.1··········································3.2 ··········································設(shè)計(jì)··································································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··········································

護(hù)欄水平荷載推力試驗(yàn)··············································43

玻璃抗沖擊性能試驗(yàn)················································45 事故也時(shí)有發(fā)生。尤其是室外陽(yáng)臺(tái)大量使用的金屬護(hù)欄，銹蝕情況相當(dāng)嚴(yán)重，維護(hù)工作鑒于建筑護(hù)欄使用安全涉及城市公共安全，有必要加強(qiáng)其技術(shù)保障，為此編制了此復(fù)雜性，只能根據(jù)不同的安全和耐久要求，參照?qǐng)?zhí)行本規(guī)程。關(guān)于本規(guī)程建筑護(hù)欄適用本條對(duì)建筑護(hù)欄在地震荷載作用下如何防止其破壞后傷害人體的問(wèn)題從設(shè)計(jì)角

被甩出傷人，且有致人死亡情況。因此，建筑護(hù)欄的設(shè)計(jì)應(yīng)結(jié)合建筑抗震有關(guān)要求采取

基本規(guī)定3.1 一般規(guī)定3.2

用防火劑對(duì)木材浸注。木材的燃燒性能等級(jí)應(yīng)符合《建筑內(nèi)部裝修設(shè)計(jì)防火規(guī)范》 4.1一般規(guī)定建筑護(hù)欄是保證人們安全的重要建筑維護(hù)結(jié)構(gòu)，護(hù)欄必須要有足夠的剛度和強(qiáng)度，并與其它建筑部件可靠連接。在受外力作用時(shí)不產(chǎn)生大的變形，才能滿足使用和安GB

,建筑設(shè)計(jì) 便于人們把握，是充分考慮了人們的使用要求和生活習(xí)慣。而且扶手的連接和安裝必須

4.2.10筑護(hù)欄上如有花池或落容易使行人受傷。設(shè)置圍欄或雨棚等防墜落措施，可使花盆等不易墜落或墜落時(shí)不至4.2.11 們?cè)诟咛帟r(shí)容易產(chǎn)生 避免發(fā)生摔倒的危險(xiǎn)。因此，建筑物公共部位護(hù)欄扶手的設(shè)置應(yīng)充分考慮不同人群，特別是行動(dòng)不便者和兒童的使用需求。扶手安裝的位置和高度及選用的形式是否合適，將直接影響到使用效果，扶手不僅能協(xié)助不同使用者在通行上的便利，同時(shí)也給人們行走帶來(lái)安全和方便。本條文對(duì)扶手高度、截面尺寸等作了規(guī)定，是為了保證扶手在使用上的安全性、連貫性和易于抓握及控制力度，給使用者帶來(lái)安全和方便。專供行動(dòng)不便者

4.2.13 殘疾人使用的走道、

護(hù)欄計(jì)算GB

用功能要求，規(guī)定護(hù)欄構(gòu)件采用彈性方法計(jì)算其內(nèi)力位移。護(hù)欄的承載力、變形等計(jì)算

護(hù)欄構(gòu)造441

442 混凝土護(hù)欄的構(gòu)造要求依據(jù)《混凝土結(jié)構(gòu)設(shè)計(jì)規(guī)范》GB50010-2002

443444接方式作出規(guī)定。玻璃組合護(hù)欄的形式主要有點(diǎn)支式玻璃組合護(hù)欄和框支承式玻璃組合護(hù)欄；框支承式玻璃組合護(hù)欄按照玻璃嵌槽長(zhǎng)度有分為嵌槽式、短嵌槽式等。點(diǎn)支式玻璃組合護(hù)欄是指欄板玻璃采用專用駁接件安裝于框架上，玻璃四角承受水平荷載；玻璃組合護(hù)欄中玻璃欄板邊緣未通過(guò)長(zhǎng)嵌槽，玻璃邊緣嵌槽總長(zhǎng)小于二分之一玻璃邊長(zhǎng)的固445446對(duì)焊縫、螺栓、化學(xué)錨栓、預(yù)埋件作出了最低要求的規(guī)定。連接件、螺栓、化學(xué)錨栓、防雷接地451

30

IEC1024-1

本條主要是等電位措施。鋼筋混凝土結(jié)構(gòu)的建筑物其均壓效果比較好，梁與柱內(nèi)的

25kv

可以擊穿使樓板均壓，在樓板上放置的東西和人將不會(huì)損壞和出項(xiàng)安全問(wèn)題。值得引起此時(shí)有兩種情況，其一是金屬管帶高電位向周圍和金屬物跳擊，另一種情況是結(jié)構(gòu)中的鋼筋帶高電位向管子跳擊。由于雷電流的數(shù)值（經(jīng)過(guò)多次分流）不易計(jì)算，因此本條規(guī) 一般規(guī)定

到和評(píng)判其工藝狀況，還可以對(duì)材料、做法、效果等進(jìn)行直接檢查，相當(dāng)于驗(yàn)收的實(shí)物標(biāo)準(zhǔn)。樣板件主要是對(duì)相同材料、型式和工藝的護(hù)欄在現(xiàn)場(chǎng)制作，經(jīng)參建各方（建設(shè)、監(jiān)理、設(shè)計(jì)、施工）檢查確認(rèn)后方可進(jìn)行全面施工。施工中應(yīng)注意，樣板件的技術(shù)資料玻璃組合護(hù)欄支承完整，其長(zhǎng)度可根據(jù)玻璃板面的大小和厚度適當(dāng)增加。定位塊用于玻璃的邊緣與框

或扁鋼的連接線，以滿足護(hù)欄作接地時(shí)方便施工的要求和條件；護(hù)欄與預(yù)留接地端子的連接導(dǎo)體宜采用圓鋼或扁鋼，宜優(yōu)先采用圓鋼，圓鋼直徑不應(yīng)小于

10，扁鋼截面不小

檢驗(yàn)和驗(yàn)收6.1一般規(guī)定6.1.1～6.1.4 本標(biāo)準(zhǔn)的護(hù)欄工程驗(yàn)收按《建筑工程施工質(zhì)量驗(yàn)收統(tǒng)一標(biāo)準(zhǔn)》GB50300

護(hù)欄工程中的混凝土結(jié)構(gòu)工程、砌體工程、鋼結(jié)構(gòu)工程、木結(jié)構(gòu)工程、抹灰工程、飾面板（磚）工程、涂飾工程和防雷及接地安裝工程等，涉及到《混凝土結(jié)構(gòu)工程施工

6.2施工檢驗(yàn)計(jì)的連接方式與錨固區(qū)是否相適應(yīng)，如磚砌體錨固區(qū)不應(yīng)采用膨脹螺栓的錨固方法；安 護(hù)欄的高度與豎向構(gòu)件的間距是否符合規(guī)范的要求，同時(shí)應(yīng)按要求進(jìn)行水平荷載推力試驗(yàn)檢測(cè)護(hù)欄和玻璃組合護(hù)欄玻璃抗沖擊性能試驗(yàn)檢測(cè)，施工樣板檢查合格后方可進(jìn)行施 6.2.8～6.2.10

金屬護(hù)欄、玻璃組合護(hù)欄和木護(hù)攔的設(shè)計(jì)、施工質(zhì)量對(duì)護(hù)欄的可靠性影響很大，公共場(chǎng)所、學(xué)校教學(xué)樓等人流較大，發(fā)生意外時(shí)對(duì)護(hù)欄的水平推力很大，應(yīng)當(dāng)6.2.11 見(jiàn)的金屬護(hù)欄材料主候性材料，不銹鋼、鋁合金材料的表面耐候處理是在生產(chǎn)廠家完成，材料進(jìn)場(chǎng)時(shí)應(yīng)檢查質(zhì)量保證資料，必要時(shí)進(jìn)行復(fù)驗(yàn)；普通黑色金屬的表面耐候處理主要以施工現(xiàn)場(chǎng)完成，

6.3 驗(yàn)收資料核查檢驗(yàn)保養(yǎng)和維護(hù)7.1一般規(guī)定

定的，或建設(shè)單位對(duì)建設(shè)工程的合理使用年限有特殊要求的，須由建設(shè)單位與設(shè)計(jì)單位

程設(shè)定了“建筑護(hù)欄竣工驗(yàn)收時(shí)，施工單位應(yīng)向建設(shè)單位提供《建筑護(hù)欄使用維護(hù)說(shuō)明 7.2 檢查與維護(hù)件與主體結(jié)構(gòu)之間的連接錨固，都會(huì)隨著使用時(shí)間的增長(zhǎng)，特別是不規(guī)范的使用導(dǎo)致建筑護(hù)欄連接錨固松動(dòng)甚至整體晃動(dòng)以至破壞，發(fā)生護(hù)欄墜落傷人或人員墜落傷亡，因此 附錄護(hù)欄水平荷載推力檢測(cè)A.1一般規(guī)定A11 2%A13 A115 GB50009

在試驗(yàn)時(shí)施加水平線荷載操作困難而往往采用荷載等效的原則采用集中力加載。等效荷載是指加在構(gòu)件上，使試件產(chǎn)生的內(nèi)力圖形和計(jì)算簡(jiǎn)圖相近、控制截面的內(nèi)力值相等的荷載。采用等效荷載時(shí)，考慮由于加載圖式的改變對(duì)構(gòu)件撓度的影響而引進(jìn)撓度修正系撓度修正系數(shù)為按照彈性理論計(jì)算得到的均布荷載圖式跨中撓度與等效集中荷載圖式跨中撓度之比。在常用的二集中力三分點(diǎn)加載情況下，按跨中彎矩等效計(jì)算得撓度修

0.98A16 承載力檢測(cè)A222承載力檢測(cè)的目的是通過(guò)破壞試驗(yàn)檢驗(yàn)護(hù)欄的承載能力，當(dāng)采用新的錨固方式、安裝工藝或桿體材料而沒(méi)有相應(yīng)的實(shí)踐資料等情況下應(yīng)進(jìn)行基本試驗(yàn)，以確定該種護(hù)欄類型的承載力。試驗(yàn)用護(hù)欄的平面尺寸、桿體材料等應(yīng)與實(shí)際工程用護(hù)欄保持一致。對(duì)于有實(shí)際工程應(yīng)用經(jīng)驗(yàn)的常規(guī)鐵制護(hù)欄、木質(zhì)護(hù)欄、玻璃護(hù)欄等可不做基本試A23A25護(hù)欄的破壞分為護(hù)欄整體與相連的錨固件間的拉接破壞和護(hù)欄自身材料及自身A.3 驗(yàn)收試驗(yàn)A32 A33GB50009

A36 附錄玻璃抗沖擊性能檢測(cè) 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重慶市工程建設(shè)標(biāo)準(zhǔn)目錄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