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北京市地方標(biāo)準(zhǔn)DB

編號:DB11/T2325-2024

建筑外墻外保溫工程檢驗檢測技術(shù)規(guī)程

Technicalspecificationforinspectionandtestingofengineering

ofexternalthermalinsulationofbuildings

2024-09-25發(fā)布2025-01-01實施

北京市住房和城鄉(xiāng)建設(shè)委員會聯(lián)合發(fā)布

北京市市場監(jiān)督管理局

北京市地方標(biāo)準(zhǔn)

建筑外墻外保溫工程檢驗檢測技術(shù)規(guī)程

Technicalspecificationforinspectionandtestingofengineering

ofexternalthermalinsulationofbuildings

編號:DB11/T2325-2024

主編單位:奧來國信(北京)檢測技術(shù)有限責(zé)任公司

北京城建科技促進(jìn)會

北京住總裝飾有限責(zé)任公司

批準(zhǔn)部門:北京市市場監(jiān)督管理局

施行日期:2025年01月01日

2024北京

前言

根據(jù)北京市市場監(jiān)督管理局《關(guān)于印發(fā)2023年北京市地方標(biāo)準(zhǔn)制定項目計劃》(京市監(jiān)發(fā)〔2023〕4號)的

要求,規(guī)程編制組經(jīng)廣泛調(diào)查研究,認(rèn)真總結(jié)實踐經(jīng)驗,參考國內(nèi)相關(guān)標(biāo)準(zhǔn),并在廣泛征求意見的基礎(chǔ)上,制定

本規(guī)程。

本規(guī)程的主要技術(shù)內(nèi)容是:1總則;2術(shù)語;3基本規(guī)定;4外觀質(zhì)量檢測;5粘結(jié)強(qiáng)度和粘結(jié)面積比檢測;

6系統(tǒng)構(gòu)造和保溫層厚度檢測;7空鼓和滲漏檢測;8錨栓抗拉承載力和分布檢測;9檢驗。

本規(guī)程由北京市住房和城鄉(xiāng)建設(shè)委員會和北京市市場監(jiān)督管理局共同管理,北京市住房和城鄉(xiāng)建設(shè)委員會歸

口、組織實施,并負(fù)責(zé)組織編制單位對具體技術(shù)內(nèi)容進(jìn)行解釋。執(zhí)行過程中如有意見或建議,請寄送奧來國信(北

京)檢測技術(shù)有限責(zé)任公司(地址:北京市順義區(qū)順于路高麗營段138號,郵編:101318;電話

電子郵箱:algx@)。

本規(guī)程主編單位:奧來國信(北京)檢測技術(shù)有限責(zé)任公司

北京城建科技促進(jìn)會

北京住總裝飾有限責(zé)任公司

本規(guī)程參編單位:建研建材有限公司

北京建筑材料檢驗研究院股份有限公司

中國電子工程設(shè)計院股份有限公司

北京市建設(shè)工程質(zhì)量第一檢測所有限責(zé)任公司

北京筑之杰建筑工程檢測有限責(zé)任公司

上海市建筑科學(xué)研究院有限公司

哈爾濱工業(yè)大學(xué)

北京吾言建筑設(shè)計顧問有限公司

北京住總集團(tuán)有限責(zé)任公司

中冶檢測認(rèn)證有限公司

北京城鄉(xiāng)建設(shè)集團(tuán)有限責(zé)任公司

北京建科高瓴節(jié)能科技有限公司

北京房修一建筑工程有限公司

北京首華建設(shè)經(jīng)營有限公司

北京中建建筑科學(xué)研究院有限公司

中鐵二十二局集團(tuán)有限公司

北京城建北方集團(tuán)有限公司

北京城建二建設(shè)工程有限公司

北京城建七建設(shè)工程有限公司

北京海豐建設(shè)工程有限公司

思立博(河北雄安)檢驗認(rèn)證有限公司

本規(guī)程主要起草人員:王震檀春麗馬樂劉少軍

郝志軍田子劍馬國儒王萬金

劉盈劉繼偉王朝露王卓琳

杜建能孫張玉李珂陳端旭

王振興王鑫平劉洋軍郭闊闊

劉志強(qiáng)王健王犖文李培方

高巍楊帆王紹君謝鋒

1

張弛張靜張若弛曹艷超

冉海龍馬辰于成龍李越

王浩彭宏高四龍閆海鵬

胡志剛秦凱楊天華梁金偉

郭毅魏建國張穎

本規(guī)程主要審查人員:王武祥鮑宇清梁晶張海波

孫金棟胡瑞深李棟

2

目次

1總則··························································································································································································1

2術(shù)語··························································································································································································2

3基本規(guī)定··················································································································································································3

4外觀質(zhì)量檢測·········································································································································································4

4.1一般規(guī)定······························································································································································································4

4.2儀器設(shè)備······························································································································································································4

4.3檢測方法······························································································································································································4

4.4檢測結(jié)果······························································································································································································4

5粘結(jié)強(qiáng)度和粘結(jié)面積比檢測················································································································································6

5.1一般規(guī)定······························································································································································································6

5.2儀器設(shè)備······························································································································································································6

5.3檢測方法······························································································································································································6

5.4檢測結(jié)果······························································································································································································8

6系統(tǒng)構(gòu)造和保溫層厚度檢測················································································································································9

6.1一般規(guī)定······························································································································································································9

6.2儀器設(shè)備······························································································································································································9

6.3檢測方法······························································································································································································9

6.4檢測結(jié)果······························································································································································································9

7空鼓和滲漏檢測···································································································································································11

7.1一般規(guī)定····························································································································································································11

7.2儀器設(shè)備····························································································································································································11

7.3檢測方法····························································································································································································11

7.4檢測結(jié)果····························································································································································································11

8錨栓抗拉承載力和分布檢測··············································································································································12

8.1一般規(guī)定····························································································································································································12

8.2儀器設(shè)備····························································································································································································12

8.3檢測方法····························································································································································································12

8.4檢測結(jié)果····························································································································································································12

9檢驗························································································································································································13

9.1一般規(guī)定····························································································································································································13

9.2評定規(guī)則····························································································································································································13

本規(guī)程用詞說明··········································································································································································14

引用標(biāo)準(zhǔn)名錄··············································································································································································15

條文說明······················································································································································································16

3

Contents

1Generalprovisions.........................................................................................................................................................1

2Terms..............................................................................................................................................................................2

3Basicrequirement..........................................................................................................................................................3

4Testforappearantquality............................................................................................................................................4

4.1Generalrequirement..................................................................................................................................................4

4.2Instrumentandequipment.........................................................................................................................................4

4.3Testmethod...............................................................................................................................................................4

4.4Testresults.................................................................................................................................................................4

5Testforpastestrengthandpastearearatio.................................................................................................................6

5.1Generalrequirement..................................................................................................................................................6

5.2Instrumentandequipment.........................................................................................................................................6

5.3Testmethod...............................................................................................................................................................6

5.4Testresults.................................................................................................................................................................8

6Testforconstructiveofsystemandinsulationlayerthickness..................................................................................9

6.1Generalrequirement..................................................................................................................................................9

6.2Instrumentandequipment.........................................................................................................................................9

6.3Testmethod...............................................................................................................................................................9

6.4Testresults.................................................................................................................................................................9

7Testforhollowingandleakage...................................................................................................................................11

7.1Generalrequirement................................................................................................................................................11

7.2Instrumentandequipment.......................................................................................................................................11

7.3Testmethod.............................................................................................................................................................11

7.4Testresults...............................................................................................................................................................11

8Testfortensilecapacityandarrangementofanchors...............................................................................................12

8.1Generalrequirement................................................................................................................................................12

8.2Instrumentandequipment.......................................................................................................................................12

8.3Testmethod.............................................................................................................................................................12

8.4Testresults...............................................................................................................................................................12

9Inspection......................................................................................................................................................................13

9.1Generalrequirement................................................................................................................................................13

9.2Appraisalrule..........................................................................................................................................................13

Explanationofwordinginthisspecification....................................................................................................................14

Listofquotedstandards....................................................................................................................................................15

Explanationofprovisions..................................................................................................................................................16

4

1總則

1.0.1為規(guī)范建筑外墻外保溫工程的檢驗檢測工作,保證檢驗檢測的科學(xué)性,做到技術(shù)先進(jìn)、安全可靠、低碳環(huán)

保、經(jīng)濟(jì)合理,制定本規(guī)程。

1.0.2本規(guī)程適用于北京市行政區(qū)域內(nèi)新建外墻外保溫工程、既有外墻外保溫改造工程和既有外墻外保溫工程的

現(xiàn)場檢驗檢測。

1.0.3建筑外墻外保溫工程檢驗檢測除應(yīng)符合本規(guī)程外,尚應(yīng)符合國家和北京市現(xiàn)行有關(guān)標(biāo)準(zhǔn)的規(guī)定。

1

2術(shù)語

2.0.1外墻外保溫系統(tǒng)externalthermalinsulationcompositesystem

由保溫層、防護(hù)層和固定材料(粘結(jié)材料、錨栓)構(gòu)成,并固定在外墻外表面的非承重保溫構(gòu)造的總稱,簡

稱外保溫系統(tǒng)。

2.0.2外墻外保溫工程engineeringofexternalthermalinsulation

通過施工或安裝,將外保溫系統(tǒng)固定在外墻外表面上所形成的建筑構(gòu)造實體,簡稱外保溫工程。

2.0.3紅外熱像法infraredthermography

采用紅外熱成像裝置將外保溫系統(tǒng)表面的溫度分布拍攝成可視圖像,通過分析識別外保溫系統(tǒng)的熱工缺陷、

空鼓、滲漏的檢測方法。

2.0.4高頻雷達(dá)探測法high-frequencyradardetectionmethod

基于電磁波反射原理,采用7GHz~8GHz的超高頻雷達(dá)對外保溫系統(tǒng)進(jìn)行斷層掃描,獲得粘結(jié)砂漿分布、粘

結(jié)面積及識別和定位外保溫系統(tǒng)內(nèi)部缺陷的檢測方法。

2

3基本規(guī)定

3.0.1當(dāng)外保溫工程出現(xiàn)下列情況時,可按本規(guī)程規(guī)定進(jìn)行檢驗檢測:

l對新建、既有外保溫工程質(zhì)量有質(zhì)疑;

2外保溫工程出現(xiàn)開裂、空鼓、脫落和滲漏;

3外保溫工程修繕;

4遭受地震、大風(fēng)、嚴(yán)重撞擊、自然災(zāi)害等侵害;

5其他需要。

3.0.2外保溫工程的檢驗檢測,應(yīng)按下列程序進(jìn)行:

1進(jìn)行初始調(diào)查、現(xiàn)場查勘和資料搜集;

2制訂檢驗檢測方案并經(jīng)有關(guān)各方確認(rèn);

3開展現(xiàn)場檢測;

4檢測數(shù)據(jù)處理及分析,并給出檢測結(jié)果(必要時可返場復(fù)測);

5檢測結(jié)果分析;

6出具檢驗檢測報告。

3.0.3外保溫工程的檢驗檢測報告應(yīng)包括但不限于下列內(nèi)容:

1工程概況;

2檢測目的、范圍和內(nèi)容;

3檢測依據(jù),包括相關(guān)標(biāo)準(zhǔn)、規(guī)范及委托方提供的資料;

4檢測儀器設(shè)備;

5抽樣情況、測點的布置;

6檢測區(qū)域和內(nèi)容;

7檢測數(shù)據(jù)及結(jié)果;

8檢驗結(jié)論。

3.0.4因外保溫工程破損檢測造成局部損壞時,應(yīng)及時采用保溫性能類似的材料進(jìn)行修補(bǔ)。

3.0.5外保溫工程的檢驗檢測,應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《建筑施工高處作業(yè)安全技術(shù)規(guī)范》JGJ80的規(guī)定。

3

4外觀質(zhì)量檢測

4.1一般規(guī)定

4.1.1外保溫工程的外觀質(zhì)量檢測應(yīng)根據(jù)檢測目的及委托方要求,進(jìn)行全數(shù)或者針對某塊區(qū)域、某類質(zhì)量問題檢

測。

4.1.2外保溫工程的外觀質(zhì)量檢測宜包括以下內(nèi)容:

1外墻面的裂縫、防護(hù)層空鼓、滲水、面層粉化掉色、起皮和泛堿情況;

2飾面層為飾面磚時,飾面磚的脫落情況;

3陰陽角、門窗洞口、女兒墻、空調(diào)板、檐口、變形縫、分格縫等節(jié)點的變形、脫層、開裂情況;

4設(shè)計有托架時,托架處的外保溫工程的缺陷情況;

5設(shè)計有防火隔離帶時,防火隔離帶部位的開裂、空鼓、變形及脫落情況;

6設(shè)計有穿過外保溫工程安裝的設(shè)備、穿墻管線時,穿過處的保溫工程冷橋處理情況。

4.2儀器設(shè)備

4.2.1可見光圖像成像儀像素不應(yīng)小于1億,最小分辨率不應(yīng)大于0.1mm。

4.2.2非接觸式影像綜合分析儀最小分辨率不應(yīng)大于0.1mm,測量精度不應(yīng)大于0.02mm,且應(yīng)有分析標(biāo)定功能。

4.2.3地面三維激光掃描儀測距精度不應(yīng)超過±5mm。

4.2.4鋼卷尺分度值為1mm。

4.2.5紅外熱像儀應(yīng)符合本規(guī)程第7.2.1條的規(guī)定。

4.2.6輔助設(shè)備包括敲擊錘、望遠(yuǎn)鏡、高空升降車、吊籃、爬墻機(jī)器人等。

4.3檢測方法

4.3.1外觀質(zhì)量可采用目測或儀器檢測。目測時被檢部位應(yīng)在清晰可視范圍內(nèi)。

4.3.2檢測距離較遠(yuǎn)、高度較高區(qū)域時,可使用望遠(yuǎn)鏡、高空升降車、吊籃、爬墻機(jī)器人等設(shè)備。

4.3.3外觀質(zhì)量的檢測方法應(yīng)符合表4.3.3的規(guī)定。

表4.3.3外保溫工程外觀質(zhì)量檢測方法

項次項目檢測方法

外墻面裂縫、防護(hù)層空鼓、滲水、面層粉化、

1目測、鋼卷尺測量、紅外熱像法、可見光圖像成像儀或非接觸式影像綜合分析儀拍攝檢查

起皮和泛堿

2飾面磚脫落目測、敲擊錘敲擊、鋼卷尺測量

陰陽角、門窗洞口、女兒墻、空調(diào)板、檐口、目測、鋼卷尺測量、可見光圖像成像儀或非接觸式影像綜合分析儀拍攝檢查、地面激光三

3

變形縫、分格縫等節(jié)點的變形、脫層、開裂維掃描儀掃描

4外保溫工程托架處的缺陷目測、鋼卷尺測量

目測、鋼卷尺測量、紅外熱像法、可見光圖像成像儀或非接觸式影像綜合分析儀拍攝檢查、

5防火隔離帶部位的開裂、空鼓、變形及脫落

地面激光三維掃描儀掃描

6設(shè)備、穿墻管線位置的保溫冷橋處理目測、紅外熱像法、鋼卷尺測量

4.4檢測結(jié)果

4.4.1應(yīng)詳細(xì)記錄外觀質(zhì)量的檢測結(jié)果,并保存相應(yīng)的照片或影像資料,采用自動采集設(shè)備檢測時,還應(yīng)保存電

子數(shù)據(jù)文件資料。

4.4.2外觀質(zhì)量檢測結(jié)果的表述要求按表4.4.2的規(guī)定。

表4.4.2外保溫工程外觀質(zhì)量檢測結(jié)果要求

項次項目檢測結(jié)果表達(dá)要求

外墻面裂縫情況包括裂縫的分布規(guī)律、嚴(yán)重程度等;最不利部位的裂縫情況包括可見裂縫

外墻面裂縫、防護(hù)層空鼓、滲水、面層粉化、

1的條數(shù)、最大寬度、最大長度;防護(hù)層空鼓、滲水、面層粉化、起皮和泛堿情況;可能影

起皮和泛堿

響外保溫使用安全或節(jié)能效果的缺陷位置、面積、嚴(yán)重程度;相應(yīng)的照片或影像

4

續(xù)表4.4.2

項次項目檢測結(jié)果表達(dá)要求

2飾面磚脫落飾面磚脫落的位置、面積;脫落處相鄰區(qū)域飾面磚脫落風(fēng)險;相應(yīng)的照片或影像

陰陽角、門窗洞口、女兒墻、空調(diào)板、檐口、超出現(xiàn)行驗收規(guī)范變形限值的變形值;可能影響外保溫使用安全或節(jié)能效果的脫層、開裂

3

變形縫、分格縫等節(jié)點的變形、脫層、開裂情況位置及開裂程度;相應(yīng)的照片或影像

4外保溫工程托架處的缺陷托架處存在的缺陷,包括托架松動變形、螺栓缺失情況及其位置;相應(yīng)的照片或影像

超出現(xiàn)行驗收規(guī)范變形限值的變形值;可能影響外保溫防火安全或節(jié)能效果的開裂、空鼓、

5防火隔離帶部位的開裂、空鼓、變形及脫落

脫落情況及其位置、嚴(yán)重程度;相應(yīng)的照片或影像

6設(shè)備、穿墻管線位置的保溫冷橋處理情況冷橋位置及其做法;相應(yīng)的照片或影像

5

5粘結(jié)強(qiáng)度和粘結(jié)面積比檢測

5.1一般規(guī)定

5.1.1粘結(jié)強(qiáng)度檢驗批劃分應(yīng)符合下列規(guī)定:

1采用相同材料、工藝和施工做法的墻面,按扣除門窗洞口后的外保溫墻面面積劃分檢驗批;

2新建外保溫工程檢驗批也可根據(jù)與施工流程相一致且方便施工與驗收原則,由施工單位與監(jiān)理單位或建設(shè)

單位協(xié)商確定。

5.1.2飾面磚粘結(jié)強(qiáng)度的抽樣數(shù)量及測點分布應(yīng)符合下列規(guī)定:

1以每500m2同類基體飾面磚外保溫工程為一個檢驗批,不足500m2亦按一批計;

2一個檢驗批測點數(shù)不應(yīng)少于一組3個;

3測點應(yīng)隨機(jī)抽取,間距不應(yīng)小于500mm,每連續(xù)三個樓層不應(yīng)少于一組測點。

5.1.3新建外保溫工程基層與粘結(jié)劑間粘結(jié)強(qiáng)度的抽樣數(shù)量及測點分布應(yīng)符合下列規(guī)定:

1每種類型的基層墻體為一個檢驗批,每批取5個測點;

2測點的選取應(yīng)有代表性。

5.1.4保溫板與粘結(jié)劑間粘結(jié)強(qiáng)度的抽樣數(shù)量及測點分布應(yīng)符合下列規(guī)定:

1以每1000m2同類保溫系統(tǒng)為一個檢驗批,不足1000m2亦按一批計;

2一個檢驗批測點數(shù)不應(yīng)少于一組3個;

3測點應(yīng)隨機(jī)抽取,間距不應(yīng)小于1m,每連續(xù)三個樓層不應(yīng)少于一組測點。

5.1.5粘結(jié)面積比檢測的取樣部位、數(shù)量及面積(尺寸),應(yīng)符合下列規(guī)定:

1以每1000m2同類保溫系統(tǒng)為一個檢驗批,不足1000m2亦按一批計;

2一個檢驗批試樣數(shù)不應(yīng)少于一組3個,每個試樣面積不少于1m2;

3取樣部位應(yīng)隨機(jī)確定,宜兼顧不同朝向和樓層,在下、中、上三個層面上分別選取,上部試樣上邊緣距外

保溫墻體頂邊不少于300mm,下部試樣下邊緣距外保溫墻體底邊不少于200mm,不得在外墻施工前預(yù)先確定。

5.2儀器設(shè)備

5.2.1粘結(jié)強(qiáng)度檢測儀應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《數(shù)顯式粘結(jié)強(qiáng)度檢測儀》JG/T507的規(guī)定。

5.2.2鋼直尺、鋼卷尺的分度值應(yīng)為lmm。

5.2.3飾面磚粘結(jié)強(qiáng)度檢測用標(biāo)準(zhǔn)塊尺寸為95mm×45mm×(6~8)mm或40mm×40mm×(6~8)mm,基層與

粘結(jié)劑間粘結(jié)強(qiáng)度檢測用標(biāo)準(zhǔn)塊尺寸為40mm×40mm×(6~8)mm,標(biāo)準(zhǔn)塊材質(zhì)應(yīng)為45號鋼或鉻鋼。

5.2.4輔助工具及材料包括:

1手持切割機(jī);

2粘結(jié)劑,拉伸粘結(jié)強(qiáng)度宜大于3.0MPa;

3膠帶;

4粘結(jié)面積檢測板;

5照相設(shè)備。

5.2.5高頻雷達(dá)掃描儀中心頻率應(yīng)為7GHz~8GHz,波速誤差不應(yīng)大于±5%,厚度測量誤差不應(yīng)大于±10.0mm。

5.3檢測方法

I粘結(jié)強(qiáng)度檢測

5.3.1粘結(jié)強(qiáng)度檢測除應(yīng)符合現(xiàn)行行業(yè)標(biāo)準(zhǔn)《建筑工程飾面磚粘結(jié)強(qiáng)度檢驗標(biāo)準(zhǔn)》JGJ/T110、《外墻外保溫工程

技術(shù)標(biāo)準(zhǔn)》JGJ144和現(xiàn)行北京市地方標(biāo)準(zhǔn)《民用建筑節(jié)能現(xiàn)場檢驗標(biāo)準(zhǔn)》DB11/T555的要求外,尚應(yīng)符合本節(jié)

要求。

6

5.3.2標(biāo)準(zhǔn)塊的粘貼應(yīng)符合下列規(guī)定:

1打磨拉拔區(qū)域表面,除去表面浮塵并保持干燥;

2使用粘結(jié)劑將標(biāo)準(zhǔn)塊粘貼于外保溫相應(yīng)面層上;

3標(biāo)準(zhǔn)塊粘貼失敗時,可在相鄰位置重新按原流程打磨、清潔并粘貼。

5.3.3切割應(yīng)符合下列規(guī)定:

1采用手動切割機(jī)沿粘貼標(biāo)準(zhǔn)塊的邊緣切割;

2檢測飾面磚粘結(jié)強(qiáng)度時,從面磚表面切割至加強(qiáng)抹面層表面;

3檢測保溫板與基層粘結(jié)強(qiáng)度時,斷縫應(yīng)從保溫板材表面切割至基層墻體。

5.3.4粘結(jié)強(qiáng)度檢測儀安裝應(yīng)符合圖5.3.4規(guī)定,檢測步驟應(yīng)符合下列規(guī)定:

1將粘結(jié)強(qiáng)度檢測儀安裝至切割處理好的待檢區(qū)域,并用萬向接頭連接標(biāo)準(zhǔn)塊;

2應(yīng)安裝專用穿心千斤頂,使拉力桿通過穿心千斤頂中心并與標(biāo)準(zhǔn)塊垂直;

3調(diào)整千斤頂活塞,擰緊拉力桿螺母,將儀器調(diào)零;

4采用手搖或電動加載均應(yīng)勻速加力,基層與粘結(jié)劑間粘結(jié)強(qiáng)度、保溫板與粘結(jié)劑間粘結(jié)強(qiáng)度的檢測時拉

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