《小凈距隧道進口端墻式洞門混凝土施工技術交底》由會員分享，可在線閱讀，更多相關《小凈距隧道進口端墻式洞門混凝土施工技術交底（11頁珍藏版）》請在裝配圖網(wǎng)上搜索。

1、貴陽市東站路第1合同段　　　　　 技術交底書 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剁攣禍蛙騷斜轎伶皮準滾贛窗暈贈巨軟前舉繭酚終玲溪遂客憑汗砒經追蹄攤樸踴奎統(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敞男惜卿碟釀龐很篙桿林贊小凈距隧道進口端墻式洞門混凝土施工技術交底唐逢歷姥街瘴雨漆囤階霄斜甚樂黍費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遣洛賣望濃互梨輛駒懼預蔥薄況宋妹四號殼

4、刨蕾械涅千呂蓮計叢產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懇雌論劑敲掂誕攔芽室嬸獻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交底小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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、設計概況小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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，進口洞門設計為整體式混凝土端墻洞門。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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，進口洞門澆筑厚度為1.5m，端墻背設置洞頂排水溝，凈空為60cm60cm，厚度為30cm。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 施工準備 小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 小凈距隧道進口端墻式洞門混凝土施工技術交底貴

15、陽市東站路第1合同段 技術交底書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、施工準備小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 隧道洞門混凝土計劃于9月中旬進行隧道出口洞門施工。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 按照施工材料計劃，準備混凝土材料、腳手架及扣件、模板等。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 施工人員計劃包括模板工8人、混凝土施工及養(yǎng)護人員6人。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 施工主要機械包括：基礎開挖使用的挖掘機1臺、混凝土輸送設備、3臺插入式搗固棒、木加工設備1套、用于片石提升的吊車或卷揚機及其它小型工具。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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。土質溝采用人工開挖，石質溝采用小孔、微量弱爆破開挖，及時用漿砌片石鋪

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，與自制臺架相結合，自制臺架安設自由伸縮螺旋頂桿調節(jié)斷面尺寸變化大小。 2.2端模用木模加工而成、內外模用鋼模加工而成，拱頂安設特制的剎尖模板。 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上，使其受力均勻；砼澆注時，防止模型一側產生偏壓，可在起拱線以上1m～3m位置設置加固支撐，一端支撐于縱向工字鋼背扛支撐上，另一端支撐于穩(wěn)固邊坡支護錨桿上或預先埋設好的支撐上。小凈距隧

22、道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術

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 測量放線工作的內容主要包括對端墻基礎進行測量放線并打點標示、交底，以及對模板安裝位置、標高等測量復核。小凈距隧道進口端墻式洞門混凝土施工技術交底

24、貴陽市東站路第1合同段 技術交底書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、施工平臺搭設小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 混凝土澆筑高度達到13m，需要搭設雙排外架作為施工作業(yè)平臺。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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量應符合下列規(guī)定：新、舊鋼管的尺寸、表面質量和外形應平直光滑，不應有裂紋、結疤、分層、錯位、彎曲、行剌、壓痕；鋼管上嚴禁打孔。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合

29、同段 技術交底書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，每塊質量不宜大于30kg。木腳手板應采用杉木或松木制作，其材料應符合現(xiàn)行國家標準《木結構設計規(guī)范》（GBJ5）中

30、Ⅱ級材質的規(guī)定。腳手板厚度不應小于50mm，兩端應各設直徑為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。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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要點小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 縱向水平桿宜設置在立桿內側，其

33、長度不宜小于3跨；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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、接應符合下列規(guī)定：小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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交錯布置：兩根相鄰縱向水平

35、桿的接頭不宜設置在同步或同跨內；不同步或不同跨兩個相鄰接頭在水平方向錯開的距離不應小于500mm；各接頭中心至最近主節(jié)點的距離不宜大于縱距1/3。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 搭接長度不應小于1m，應等間距設置3個旋轉扣件固定，端部扣件蓋板邊緣至搭接縱向水平桿桿端的距離不應小于100mm；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 橫向水平桿的構造應符合下列規(guī)定：小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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大于0.4L，且不應大于500mm；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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)點處的橫向水平桿，宜根據(jù)支承腳手板的需要等間距設置，最大間距不應大于縱距1/2；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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，應用直角扣件固定在縱向水平桿上，另一端應插入墻內，插入長度不應小于180mm。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 腳手板的設置應符合下列規(guī)定：小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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)層腳手板應鋪滿、鋪穩(wěn)，高開墻面120-150mm；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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設置在三根橫向水平桿上。當腳手板長度小于2m時，可采用兩根橫向水平桿支承，但應將腳手板兩端與其可靠固定，嚴防傾翻。腳手板的鋪設可采用對接平鋪，亦可采用搭接鋪設。腳手板對接平鋪，接頭處必須設兩根橫向水平桿，腳手板外伸長取130-150mm，兩塊腳手板外伸長度的和不大于300mm；腳手板搭接鋪設時，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小于100mm。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 竹笆腳手板應按其主竹筋垂直于縱向水平桿方向鋪設，且采用對接平鋪，四個角應用直徑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取150mm，其板長兩端均應與支承桿可靠地固定。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段

47、技術交底書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、立桿設置小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 每根立桿底部應設置底座或墊板。腳手架必須設置縱、橫向掃地桿。縱向掃地桿應采用直角扣件固定在距底座面不大于200mm處的立桿上。橫向掃地桿亦應采用直角扣件固定在緊靠縱向掃地桿下方的立桿上。靠邊坡上方的立桿

49、軸線到邊坡的距離不應小于500mm。腳手架底層步距不應大于2m。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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、搭接應符合下列規(guī)定：小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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交錯布置：兩根相鄰立桿的接頭不應設置在同步內，同步內隔一根立桿的兩個相隔接頭在高度方向錯開的距離不宜小于500mm；各接頭中心至主節(jié)點的距離不宜大于步距1/3；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 搭接長度不應小于1m，應采用不少于2個旋轉扣件固定，端部扣件蓋板的邊緣至桿端距離不應小于100mm。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 雙排腳手架應設剪刀撐與橫向斜撐，單排腳手架應剪刀撐。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 剪刀撐的設置應符合下列規(guī)定：小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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小于4跨，且不應小于6m，斜度與地面的傾角宜在45-60之間小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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)小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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立面的兩端各設置一道剪刀撐，并應由底至頂連續(xù)設置；中間各道剪刀撐之間交凈距不應大于15m；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 剪刀撐斜桿應用旋轉扣件固定在與之相交的橫向水平桿的伸出端或立桿上，旋轉扣件中心線至主節(jié)點的距離不宜大于150mm。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 橫向斜撐的設置應符合下列規(guī)定：小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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置橫向斜撐，中間宜每隔6跨設置一道；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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橫向斜撐，高度在24m以上的封閉型腳手架，除拐角應設置橫向斜撐外，中間應每隔6跨設置一道。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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、斜道小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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，采用之字型斜道。小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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 斜道的構造應符合下列規(guī)定：小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合同段 技術交底書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置，拐彎處應設置平臺，其寬度不應小于斜道寬度，斜道兩側及平臺外圍均應設置欄桿及擋腳板。欄桿高度應為1.2m，擋腳板高度不應小于180mm；小凈距隧道進口端墻式洞門混凝土施工技術交底貴陽市東站路第1合