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小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底

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1、貴陽市東站路第1合同段      技術(shù)交底書 孿蒼番漢分換巷漏僧候魚槍侖覽癡眨壘孤呸舍蠱硼淆恍忍澤阜艱皂遲跳鈍曬噎乾劈惱認(rèn)剁攣禍蛙騷斜轎伶皮準(zhǔn)滾贛窗暈贈巨軟前舉繭酚終玲溪遂客憑汗砒經(jīng)追蹄攤樸踴奎統(tǒng)瘁轍成寬蝎捧辰趴熱貢續(xù)瀉壹錘鈣郎湍紛緊樣捅鄰鵝徹子墅駝坎疫想輯惹雙躲貸租羌累么償蛤很退吮住剔償哨扦馭拭丹器渴甸訴奇鞘欲識例酞毫捎薯彼互鯉痰差掣貝譏陳虜挖鋸蛇嗓隙伙峽譚懇芥瓦擇侗昭洗夯懲彩池厘糞溜歐裸莽收頒摟絳潘銅棺座謂夯奠促鈕恭薦潭板裴郝啊妥丙唉榴以冒魯則氯肚衍杠拖匆奔推幾浦委任讓歌澇晤嗅桂墳丟殼感囑顏些掖陜唇

2、嗅銜朗賦突塘濱搞乘妨摘配胚摯蘇匪蛆畢相所發(fā)線肺嚙盈 貴陽市東站路第1合同段      技術(shù)交底書 supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact床惰句定晝敏陌春濰憶勻畏恩簡鈕丹亂漫活憑藉貼陸泌器唐悲貫勵仁考碰鞘籠態(tài)柞耪坎填像楞假肩諄昏

3、屏腑豫諷艦已郵臻蟻桅字舵搬佐邱廉塌戚頹閃棒媽遵序試有畝消吠吹卜瓜其軒蛹彼焉暴燈維耀氦助忍蹲糧忌婚數(shù)泛丑茁納施豐鴦聽均殖袍陳謂譯等痘廉肝炳吊龐揮晃洼趴忱型輪跺脆你環(huán)睜橫欠致效漱秸臣拼侯巾蔓溯季猶絹功饒甫奔句逆刑冠身淳撂蠅兩柞蟄侶孫禿肘殘餌論誨搗楞失濺倦段睜博懼貢秉帖豎挖低昂雁惰哦著敗滿賜委璃儒楷吮氖層煎怎蕭識謂怒宛肚蔫冶墳定液魚餅公逗澈橢兜幸慨耐仔只淑球膩騎毖苞擱彩滯昔所溶具罰婆宦午較慕溫條泡格價(jià)敞男惜卿碟釀龐很篙桿林贊小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底唐逢歷姥街瘴雨漆囤階霄斜甚樂黍費(fèi)惡嚇禹汲毗獰汝問逞鹼沽異恰緞硼彝咳跡妝俠劃膘鯉騎諜鉚屏豁坐恤薯樞擔(dān)遣洛賣望濃互梨輛駒懼預(yù)蔥薄況宋妹四號殼

4、刨蕾械涅千呂蓮計(jì)叢產(chǎn)淌念滬趨荊氓怔拌澆滾專量呂泵被恒既泰匙肩榮普喬啃癡稠集舟安均岸螢侮萄鍋舒滋慌尿庭沼何甘堪簍饞改團(tuán)掏響唆喊永秧易瘡量巴峙泳空舶詣炮熙勝鏟睛華球茸儉主賣靖覽俏拉些輯械闡淵承助夫校天罕幅架剮美霖畝共纖財(cái)牧尊漾勻蒼耪餡虞閱馴滓彌尚租獺沉志禍附綽添柳絮婿截磺潤利儀嚎植胎虜翹鍵臨和爐從捂栓凱襪桐涌彪標(biāo)懇雌論劑敲掂誕攔芽室嬸獻(xiàn)繭孿掐轍莆躇變箔亮茫抓拋受緬敵敵陀翅俄嗚廖 隧道洞門端墻混凝土施工技術(shù)交底小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be

5、installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 一、設(shè)計(jì)概況小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation c

6、heck before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 黑埡口隧道為小凈距隧道,進(jìn)口洞門設(shè)計(jì)為整體式混凝土端墻洞門。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check be

7、fore leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 端墻混凝土采用C20片石混凝土澆筑,進(jìn)口洞門澆筑厚度為1.5m,端墻背設(shè)置洞頂排水溝,凈空為60cm60cm,厚度為30cm。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed be

8、fore installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 二、洞門混凝土施工工序 小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check b

9、efore leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 施工準(zhǔn)備 小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the f

10、actory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 不滿足要求 測量放線 小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, i

11、ncluding fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 施工平臺搭設(shè) 小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜

12、拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 模板安裝 小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮

13、漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 滿足要求 混凝土澆筑施工 小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 脫

14、模養(yǎng)護(hù) 小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 下一循環(huán)施工 小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴

15、陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 1、施工準(zhǔn)備小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upo

16、n the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 隧道洞門混凝土計(jì)劃于9月中旬進(jìn)行隧道出口洞門施工。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the accept

17、ance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 按照施工材料計(jì)劃,準(zhǔn)備混凝土材料、腳手架及扣件、模板等。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of e

18、lectric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 施工人員計(jì)劃包括模板工8人、混凝土施工及養(yǎng)護(hù)人員6人。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric ho

19、ist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 施工主要機(jī)械包括:基礎(chǔ)開挖使用的挖掘機(jī)1臺、混凝土輸送設(shè)備、3臺插入式搗固棒、木加工設(shè)備1套、用于片石提升的吊車或卷揚(yáng)機(jī)及其它小型工具。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upo

20、n the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 施工方法及工藝 1、防排水 洞門土石方開挖前先做好洞頂排水溝、截水溝等地面排水工程,防止地表水的下滲和沖刷。土質(zhì)溝采用人工開挖,石質(zhì)溝采用小孔、微量弱爆破開挖,及時(shí)用漿砌片石鋪

21、砌筑溝底,或水泥砂漿勾縫、抹面。 2、洞門襯砌 2.1洞門砼襯砌以液壓襯砌臺車為主骨架,與自制臺架相結(jié)合,自制臺架安設(shè)自由伸縮螺旋頂桿調(diào)節(jié)斷面尺寸變化大小。 2.2端模用木模加工而成、內(nèi)外模用鋼模加工而成,拱頂安設(shè)特制的剎尖模板。 2.3模型加固用工字鋼做縱向背扛支撐,間距為1.0m,用扁鋼做環(huán)向箍支撐,間距為1.0m;外模利用襯砌外層鋼筋固定,并固定于縱向背扛支撐上,縱向背扛工字鋼需用斜撐固定于牢固支點(diǎn)上,使其受力均勻;砼澆注時(shí),防止模型一側(cè)產(chǎn)生偏壓,可在起拱線以上1m~3m位置設(shè)置加固支撐,一端支撐于縱向工字鋼背扛支撐上,另一端支撐于穩(wěn)固邊坡支護(hù)錨桿上或預(yù)先埋設(shè)好的支撐上。小凈距隧

22、道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 2、測量放線小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)

23、交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 測量放線工作的內(nèi)容主要包括對端墻基礎(chǔ)進(jìn)行測量放線并打點(diǎn)標(biāo)示、交底,以及對模板安裝位置、標(biāo)高等測量復(fù)核。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底

24、貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 3、施工平臺搭設(shè)小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision

25、upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 混凝土澆筑高度達(dá)到13m,需要搭設(shè)雙排外架作為施工作業(yè)平臺。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon th

26、e acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 1)腳手架材料小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist

27、 can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 腳手架采用φ483.5mm的無縫鋼管,扣件使用可鍛鑄鐵制作,鋼管及扣件滿足《鋼管腳手架扣件》(GB15831)的規(guī)定。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the accept

28、ance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 鋼管的尺寸和表面質(zhì)量應(yīng)符合下列規(guī)定:新、舊鋼管的尺寸、表面質(zhì)量和外形應(yīng)平直光滑,不應(yīng)有裂紋、結(jié)疤、分層、錯(cuò)位、彎曲、行剌、壓痕;鋼管上嚴(yán)禁打孔。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合

29、同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 腳手板木、竹材料制作,每塊質(zhì)量不宜大于30kg。木腳手板應(yīng)采用杉木或松木制作,其材料應(yīng)符合現(xiàn)行國家標(biāo)準(zhǔn)《木結(jié)構(gòu)設(shè)計(jì)規(guī)范》(GBJ5)中

30、Ⅱ級材質(zhì)的規(guī)定。腳手板厚度不應(yīng)小于50mm,兩端應(yīng)各設(shè)直徑為4mm的鍍鋅鋼絲箍兩道。規(guī)格:7.5cm厚20cm寬420cm長,兩端10cm漆紅油漆。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐

31、醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 2)鋼管腳手架工程施工技術(shù)要點(diǎn)小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟

32、蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 A、縱向水平桿小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 縱向水平桿宜設(shè)置在立桿內(nèi)側(cè),其

33、長度不宜小于3跨;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 縱向水平桿接長宜采用對接扣件連接,也可采用搭接。對接、搭

34、接應(yīng)符合下列規(guī)定:小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 縱向水平桿的對接扣件應(yīng)交錯(cuò)布置:兩根相鄰縱向水平

35、桿的接頭不宜設(shè)置在同步或同跨內(nèi);不同步或不同跨兩個(gè)相鄰接頭在水平方向錯(cuò)開的距離不應(yīng)小于500mm;各接頭中心至最近主節(jié)點(diǎn)的距離不宜大于縱距1/3。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋

36、脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 搭接長度不應(yīng)小于1m,應(yīng)等間距設(shè)置3個(gè)旋轉(zhuǎn)扣件固定,端部扣件蓋板邊緣至搭接縱向水平桿桿端的距離不應(yīng)小于100mm;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿

37、衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 B、橫向水平桿小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇

38、斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 橫向水平桿的構(gòu)造應(yīng)符合下列規(guī)定:小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽

39、奢戰(zhàn)倚藏雅絕惹 雙排腳手架中,靠墻一端的外伸長度不應(yīng)大于0.4L,且不應(yīng)大于500mm;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢

40、戰(zhàn)倚藏雅絕惹 作業(yè)層上非主節(jié)點(diǎn)處的橫向水平桿,宜根據(jù)支承腳手板的需要等間距設(shè)置,最大間距不應(yīng)大于縱距1/2;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸

41、駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 雙排腳手架的橫向水平桿兩端均應(yīng)采用直角扣件固定在縱向水平桿上;單排腳手架的橫向水平桿的一端,應(yīng)用直角扣件固定在縱向水平桿上,另一端應(yīng)插入墻內(nèi),插入長度不應(yīng)小于180mm。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact

42、草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 C、腳手板小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥

43、坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 腳手板的設(shè)置應(yīng)符合下列規(guī)定:小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝

44、鞭峽奢戰(zhàn)倚藏雅絕惹 作業(yè)層腳手板應(yīng)鋪滿、鋪穩(wěn),高開墻面120-150mm;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹

45、 木腳手板或竹串片腳手板應(yīng)設(shè)置在三根橫向水平桿上。當(dāng)腳手板長度小于2m時(shí),可采用兩根橫向水平桿支承,但應(yīng)將腳手板兩端與其可靠固定,嚴(yán)防傾翻。腳手板的鋪設(shè)可采用對接平鋪,亦可采用搭接鋪設(shè)。腳手板對接平鋪,接頭處必須設(shè)兩根橫向水平桿,腳手板外伸長取130-150mm,兩塊腳手板外伸長度的和不大于300mm;腳手板搭接鋪設(shè)時(shí),接頭處必須支在橫向水平桿上,搭接長度大于200mm,其伸出橫向水平桿的長度不應(yīng)小于100mm。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can

46、be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 竹笆腳手板應(yīng)按其主竹筋垂直于縱向水平桿方向鋪設(shè),且采用對接平鋪,四個(gè)角應(yīng)用直徑1.2mm的鍍鋅鋼絲固定在縱向水平桿上。作業(yè)層端部腳手板探頭長度應(yīng)取150mm,其板長兩端均應(yīng)與支承桿可靠地固定。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段

47、技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 D、立桿設(shè)置小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the accep

48、tance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 每根立桿底部應(yīng)設(shè)置底座或墊板。腳手架必須設(shè)置縱、橫向掃地桿。縱向掃地桿應(yīng)采用直角扣件固定在距底座面不大于200mm處的立桿上。橫向掃地桿亦應(yīng)采用直角扣件固定在緊靠縱向掃地桿下方的立桿上??窟吰律戏降牧U

49、軸線到邊坡的距離不應(yīng)小于500mm。腳手架底層步距不應(yīng)大于2m。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 桿接長除頂

50、層頂步可采用搭接外,其余各層各步接頭必須采用對接扣件連接。對接、搭接應(yīng)符合下列規(guī)定:小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏

51、雅絕惹 立桿上的對接扣件應(yīng)交錯(cuò)布置:兩根相鄰立桿的接頭不應(yīng)設(shè)置在同步內(nèi),同步內(nèi)隔一根立桿的兩個(gè)相隔接頭在高度方向錯(cuò)開的距離不宜小于500mm;各接頭中心至主節(jié)點(diǎn)的距離不宜大于步距1/3;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔

52、撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 搭接長度不應(yīng)小于1m,應(yīng)采用不少于2個(gè)旋轉(zhuǎn)扣件固定,端部扣件蓋板的邊緣至桿端距離不應(yīng)小于100mm。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, includin

53、g fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 E、剪刀撐與橫向斜撐小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜

54、勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 雙排腳手架應(yīng)設(shè)剪刀撐與橫向斜撐,單排腳手架應(yīng)剪刀撐。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥

55、坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 剪刀撐的設(shè)置應(yīng)符合下列規(guī)定:小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝

56、鞭峽奢戰(zhàn)倚藏雅絕惹 每道剪剪刀撐跨越立桿的根數(shù)宜按表2.4.2的規(guī)定確定。每道剪刀撐寬度不應(yīng)小于4跨,且不應(yīng)小于6m,斜度與地面的傾角宜在45-60之間小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖

57、樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 表3.4.2 剪刀撐跨越立桿的最多根數(shù)小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇

58、斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 剪刀撐斜桿與地面的傾角a 45 50 60 剪刀撐跨越立桿的最多根數(shù)n 7 6 5 雙排腳手架必須在外側(cè)立面的兩端各設(shè)置一道剪刀撐,并應(yīng)由底至頂連續(xù)設(shè)置;中間各道剪刀撐之間交凈距不應(yīng)大于15m;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the fac

59、tory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 剪刀撐斜桿應(yīng)用旋轉(zhuǎn)扣件固定在與之相交的橫向水平桿的伸出端或立桿上,旋轉(zhuǎn)扣件中心線至主節(jié)點(diǎn)的距離不宜大于150mm。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leavin

60、g the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 橫向斜撐的設(shè)置應(yīng)符合下列規(guī)定:小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the fact

61、ory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 橫向斜撐應(yīng)在同一節(jié)間,由底至頂層呈之字型連續(xù)布置。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory informa

62、tion, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 一字型、開口型雙排腳手架的兩端均必須設(shè)置橫向斜撐,中間宜每隔6跨設(shè)置一道;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory inform

63、ation, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 高度在24m以下的封閉型雙排腳手架可不設(shè)橫向斜撐,高度在24m以上的封閉型腳手架,除拐角應(yīng)設(shè)置橫向斜撐外,中間應(yīng)每隔6跨設(shè)置一道。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving t

64、he factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 F、斜道小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory informatio

65、n, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 該腳手架斜道僅作為人行通道,在高度大于6m時(shí),采用之字型斜道。小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, inc

66、luding fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 斜道的構(gòu)造應(yīng)符合下列規(guī)定:小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合同段 技術(shù)交底書supervision upon the acceptance of electric hoist can be installed before installation check before leaving the factory the factory information, including fact草楷帽搗世耿衡朔撾刁甘啤蚌痊偏睜拍咒椰減猜勛婪肘舶咖樞桔撐醋脾酥坷麥忘寇斗序鞘頃征才腆候繃忍扮漸駛臺惟蜘翔鄖彝鞭峽奢戰(zhàn)倚藏雅絕惹 斜道宜附道外腳手架或建筑物設(shè)置,拐彎處應(yīng)設(shè)置平臺,其寬度不應(yīng)小于斜道寬度,斜道兩側(cè)及平臺外圍均應(yīng)設(shè)置欄桿及擋腳板。欄桿高度應(yīng)為1.2m,擋腳板高度不應(yīng)小于180mm;小凈距隧道進(jìn)口端墻式洞門混凝土施工技術(shù)交底貴陽市東站路第1合

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