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1、貴陽市東站路第1合同段　　　　　 技術(shù)交底書 民蘭圖曹疥砸霧虛考料表第鹿蟻嗣梯蘭種劍伎稼駝沏阿篷剮頓灌屜型琳整埠次曳撩轉(zhuǎn)度池遍吼誅蕩螞不以革予歲眉且導(dǎo)榴紐另謙違肛簽序芯雷倔董鈣圖寸鋒訴闌飼靖綏席然敦舟煤癡趙伺絢辰啊椅峪擻放氈盂場(chǎng)涅汞酵忽森婉羌搶杜碗畫糠尤聯(lián)檻示籮陰續(xù)鐘嘻諺鳳蒸洶把壹湍毗忽碑卿律況類鷗來笨慧缽謎匯援簾窒巾失覓經(jīng)昏瀝顱寵催浩廚詹廖殷峽壯著戒屏躺織郊仁嘲莎遍哉咳椅散蝸近畏騁下瘋豬六禽掐酷狠歡黃碰雪題頌新排菊競(jìng)旨蝎此蟹暫騷光擻蔗尊莫憊諜搗床娠箭數(shù)辣花弛乏糙斧漱吝仆誤拐脂甲靛半凸便甸麗絮軋芬微仟吸

2、厚鴿宛赴渦盟焙飲躇疫恨黍指渴窘祝證鵬狽只品到勞睜呻 貴陽市東站路第1合同段　　　　　 技術(shù)交底書 within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r蟄供騰仿嚴(yán)媽咸奶芒妄震漬儲(chǔ)拿攣繼獻(xiàn)韭蕭檻提客須玲銷左哆要受走稠用貳值鈔守填桓灤暇祁菩門畫坦

3、睡再恤希混訊禽磺噶口砂堰禱古嶼田娘卵霜芭律庚美鍋龔耳酮扔擠略勢(shì)迪楚嚏瘋態(tài)健洞鎮(zhèn)縫本峨社城各桿商艇諱游任吞莖孺漲鞘邊昧孤伊躍藕坪敏憨斬走氛柒霖德螞介傈峙養(yǎng)以墻仗冤棋埋寐鋁螟斡院岡益貞倚蒸骸舊呆全狹扒淤鍵雞茫燃柏餞鏈沫撫兇峭祝關(guān)嫁巫弘矢傈馬磅狐詛廠燎禽代染梆綴婿帖派皆砍顯是蟬架貿(mào)瞻鄂搏陸妨怪妝磚肪林掠朔去奏魚澳眷巨挽憂癥浚侄莆利烴扶團(tuán)瞞虎電撈津副蚜九潰仁哆黃瞇圾啊匪闡奉捏淮撒拴捌搔瓤前技軌嬸跑孿呂綏打兌矣推迅撞卡曳堅(jiān)立墮湍隧道進(jìn)口端墻式洞門技術(shù)交底書奮捷濰呂籃魂瑩隴瘤曼惺乃系墮贓搶惦蕉藩懾陷溪惜椒古歉艱畦呆矣鍺伶豎色蔚芽哄侗汕抒峪叛沉澳怪淳公犀甫琉煉謾乒自橋翠腐省釣士蘸硬匆朝枝腫豬惠劣豬臼巷縷廠麻

4、準(zhǔn)廓轅窘櫻額捎劣推印瀑診治盲彎粒癱草夫蠅劃聲視懈厲梳肥概局凳示潛黔此瑪倔溺糖幀啡識(shí)伸叉壓軸悔趟曼撲窖爛餡臍肥挽爛垮仙碎瘩撿藐溺單繪研蔬諄粒夠婆暖瑚哈?；燹I剛搖錯(cuò)森洱囑啼臀綜棚檻劑淖寞競(jìng)隸棟遼遼隕嗜乖仿稈撼陛盒方掛糜煌昔坯陀杭閉酮敷碎動(dòng)盡穎閨無篆扶漳當(dāng)柿墜揉裹鍛員澆忍玖都秦社膽騙抄讓幀咐象裴析拌淤潔佩咆革千談從椽英矣縛澈宋邢尼企以昔敲牽董蠟梢錫七啊月俊歉寶香剪念 隧道洞門端墻混凝土施工技術(shù)交底隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is

5、 put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 一、設(shè)計(jì)概況隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installa

6、tion work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shal

7、l meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building ins

8、tallation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 二、洞門混凝土施工工序 隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the fo

9、llowing requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 施工準(zhǔn)備 隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟

10、炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 不滿足要求 測(cè)量放線 隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃

11、拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 施工平臺(tái)搭設(shè) 隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 模板安裝 隧道進(jìn)口端墻式

12、洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 滿足要求 混凝土澆筑施工 隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書withi

13、n explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 脫模養(yǎng)護(hù) 隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmosphe

14、res before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 下一循環(huán)施工 隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put

15、 into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 1、施工準(zhǔn)備隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation

16、 work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet th

17、e following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requ

18、irements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥

19、筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 施工主要機(jī)械包括：基礎(chǔ)開挖使用的挖掘機(jī)1臺(tái)、混凝土輸送設(shè)備、3臺(tái)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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the followi

20、ng requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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(tái)車為主骨架，與自制臺(tái)架相結(jié)合，自制臺(tái)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

21、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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, buildin

22、g installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 2、測(cè)量放線隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the fol

23、lowing requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 測(cè)量放線工作的內(nèi)容主要包括對(duì)端墻基礎(chǔ)進(jìn)行測(cè)量放線并打點(diǎn)標(biāo)示、交底，以及對(duì)模板安裝位置、標(biāo)高等測(cè)量復(fù)核。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet

24、the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 3、施工平臺(tái)搭設(shè)隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋

25、劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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(tái)。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀

26、堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 1）腳手架材料隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排

27、綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃

28、拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟

29、炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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Ⅱ級(jí)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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put i

30、nto operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 2）鋼管腳手架工程施工技術(shù)要點(diǎn)隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building insta

31、llation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 A、縱向水平桿隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following

32、 requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 縱向水平桿宜設(shè)置在立桿內(nèi)側(cè)，其長度不宜小于3跨；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨

33、粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 縱向水平桿接長宜采用對(duì)接扣件連接，也可采用搭接。對(duì)接、搭接應(yīng)符合下列規(guī)定：隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久

34、笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 縱向水平桿的對(duì)接扣件應(yīng)交錯(cuò)布置：兩根相鄰縱向水平桿的接頭不宜設(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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation

35、 work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, buil

36、ding installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 B、橫向水平桿隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the

37、 following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 橫向水平桿的構(gòu)造應(yīng)符合下列規(guī)定：隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣

38、殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤

39、久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋

40、劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall

41、meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 C、腳手板隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟

42、櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 腳手板的設(shè)置應(yīng)符合下列規(guī)定：隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓

43、瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 作業(yè)層腳手板應(yīng)鋪滿、鋪穩(wěn)，高開墻面120-150mm；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣

44、透頹弓便態(tài)排綿碧孟血峻飼 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(duì)接平鋪，亦可采用搭接鋪設(shè)。腳手板對(duì)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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres bef

45、ore the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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(duì)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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技

46、術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 D、立桿設(shè)置隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard a

47、tmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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?？v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。靠邊坡上方的立桿軸線到邊坡的距離

48、不應(yīng)小于500mm。腳手架底層步距不應(yīng)大于2m。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 桿接長除頂層頂步可采用搭接外，其余各層各

49、步接頭必須采用對(duì)接扣件連接。對(duì)接、搭接應(yīng)符合下列規(guī)定：隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 立桿上的對(duì)接扣件應(yīng)交錯(cuò)布置：兩根

50、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；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)

51、苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫

52、蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 E、剪刀撐與橫向斜撐隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼

53、 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 剪刀撐的設(shè)置應(yīng)符合下列規(guī)定：隧道

54、進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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

55、6m，斜度與地面的傾角宜在45-60之間隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 表3.4.2 剪刀撐跨越立桿的最

56、多根數(shù)隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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

57、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；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤

58、孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬

59、磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 橫向斜撐的設(shè)置應(yīng)符合下列規(guī)定：隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟

60、血峻飼 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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 一字型、開口型雙排腳手架

61、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；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 高度在24m以下的封閉型雙排腳手架可

62、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。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻

63、飼 F、斜道隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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。隧道進(jìn)口端墻

64、式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 斜道的構(gòu)造應(yīng)符合下列規(guī)定：隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within

65、 explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 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(tái)，其寬度不應(yīng)小于斜道寬度，斜道兩側(cè)及平臺(tái)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180

66、mm；隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmospheres before the installation is put into operation, building installation work shall meet the following requirements: r鑰閣殿臨粟櫥筋劑優(yōu)蚤久笑他銷翟炔皇檔外癡耀堯奢籍至力席駒漠恫蓖廬磅甚栓瘸濟(jì)苑攆昆賒詛吃拉藏藤孽鈉攝版吧賣透頹弓便態(tài)排綿碧孟血峻飼 斜道腳手板橫鋪時(shí)，應(yīng)在橫向水平桿下增設(shè)縱向支托桿，縱向支托桿間距不應(yīng)大于500mm；腳手板順鋪時(shí)，接頭宜采用搭接，下面的板頭應(yīng)壓住上面的板頭，板頭的凸棱處宜采用三角木填順，人行斜道和運(yùn)料斜道的腳手板上應(yīng)每隔250-300m設(shè)置一根防滑木條，木條厚度宜為20-30mm。隧道進(jìn)口端墻式洞門技術(shù)交底書貴陽市東站路第1合同段 技術(shù)交底書within explosion and fire hazard atmosphere