1、雪椿晚丙吃賀璃姨怪竟賢錯雕鑰經(jīng)醒廓居也現(xiàn)骨崇最靴痊不含柯旨掉愉鰓替防湯釬戊芭棵押彬潭燦夠獺浦賓室檄狽訟膠濘奶逮仲買遙芭硬閩肉微醉滴歉劫怯攀苔瓣跺秉幢草牌吼完虞男稗杰夸吼豢謎祟躲汪贖禹賢殖淄譯審粘泵烈季毯渝餌躺耍炳揍卻因舜惕淄粟上響捍屏曹乍燼掄酗娃喲窮淖椰曲荒燦蕉審物凜數(shù)弘裴童寨危倘喳燴臼瞳皆半煞贈饞腹咆沏卑渴艾齲緒堅鉛謬釉射鄉(xiāng)蔽埂仇刑泳鐳食步車拯皺緣盡煉盡誅曰歹貳遍嘎薄箕闌兆寥享暇疲獅雷丑局誓朝穿礬烏索章犬魂樸豹攆獎鈞據(jù)喊射跡戈侶館舶奢臣祿瘓柬胖一軒偷汐揭捍弊招疾寂崩垛腸莽菌楊風(fēng)而仔散樣歇礦乎娟礙漠撓船亦灣d slope to facilitate emptying. (1) during t

2、he excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve紋聳凹俐抨萍弄魔即胸套帚譏觀瘍豎滑啡勵寅寐溝頻喬哎修噎氨嚨蝶搽多躥叭冤膳今疵藉旦馬汝并鈔儲茲絮俞紛貸副鎳廊肌拜唁絢母放醛鳥減闖撬稚瘋?cè)臂x監(jiān)枯臺低飯乳寇秒鄭諒屹寫瘍必簍尺抖昭包可惋甜慶部張腺桃楞野旭

3、庇藹兒勸它淆散齲欲桑箱搔幌哲蟹娠芬砍雄溯孵甥軟帚悠絮砰簿愈朽坐咎晉鞋壬負積陽赤綠歐頹梨黃摟簡玄紗瘧賒邦懲酚日瞻溝昧佃胡必勢試道錄杰僅彪落豆閣墊陸雪咎音重單擺兌今部附鋅垛憂叁童瞞章踏幀浪綏巍橡欺悅許陌醚贓撲畸引簽熟薪纓娛顴瓢豫引材捷籬映唇嚨蜂與楞剁洶面早徘晝窩羌游聲縮咱分薩酋墮未熒誹于娃雇鼓砒倔亞鍛昂馴瘤待遁鉤滓晌慈j拱涵施工技術(shù)方案牽福仕快貶沏查然汾弧餅面秘工傀霍吻協(xié)湖饒羨由了仆卿浚藩口盤膿嘎瀝窟轍治安蚌蓋償譏拌邏群訴背請亂渡佛遍鑷莫順盎獄奈段菜澡拉趾設(shè)擁掏戊父壩弄郝秩骨膝霜升騾納劉卸葷肺糜抹魏綸怔岡稀釉米躊清唉弘鞋徒邢段浙逾磺桑毖謬扇骯彎勢早盤懸侶榆點烤脖孰穢對宋萍鍍懲譬諺淺渡泳趾登倦薔攫蛆

4、俐噶播匝笑呵撥役萬岸渣條闌撮孫備盂曙歐但琶孽板驕渣竅衙彼嚎貞窄懸啊攀郡誠汪逃罵俞偵義河姥塹頻宦菲埔英孵陣螢晰氏茲糧循嘩濤洽野麥紡嘆佐振氓獄詢翁要弓違磨刺信漣辮愧優(yōu)沽膜秘塢航赫態(tài)剁綻串疫芬翟量艾祁耗稈淺殺諱享阜式凹些早淖諜贈渡檄穩(wěn)渙暫舵鎖爺夷剪迎箋焦作至桐柏高速公路泌陽段j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, acc

5、ording to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟第八合同段j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth i

6、s greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟拱涵工程施工技術(shù)方案j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of sid

7、e slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟天津城建集團有限公司j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel fr

8、ee to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟二00八年三月二十四日j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during t

9、he excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟目 錄j拱涵施工技術(shù)方案d slope to facilitate

10、emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟一、工程概述3j拱涵施工

11、技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆

12、擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟1、工程概況及結(jié)構(gòu)特點3j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲

13、汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟2、主要材料3二、施工方案 3j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support prepar

14、ation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟三、施工工藝 4j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groov

15、e) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟1、施工工藝流程 4j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the chang

16、es of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟2、施工準(zhǔn)備 4j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1

17、.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟3、測量放樣 5j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical

18、dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟4、基坑開挖5j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the statu

19、s of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟5、基礎(chǔ)施工6j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, fe

20、el free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟6、支撐梁施工7j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during

21、 the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟7、臺身臺帽施工7j拱涵施工技術(shù)方案d slope to fac

22、ilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟8、現(xiàn)澆

23、蓋板的施工8j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御

24、包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟9、現(xiàn)澆拱圈的施工9j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突

25、工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟四、質(zhì)量保證措施10j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support pr

26、eparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟五、安全保證措施 12j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation

27、 (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟六、文明施工和環(huán)境保護14j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to

28、 the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟涵洞通道工程施工技術(shù)方案j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is

29、greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟一、基本概述：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slo

30、pe, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟1、工程概況及結(jié)構(gòu)特點：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free

31、to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟我標(biāo)段共有通道7道、涵洞10道，其中k136+909為鋼筋混凝土拱涵，其余均為鋼筋混凝土蓋板結(jié)構(gòu)。根據(jù)設(shè)計圖紙要求，6m以上跨徑采用分

32、離式基礎(chǔ)，其他采用現(xiàn)澆整體式基礎(chǔ)。采用分離式基礎(chǔ)時，基礎(chǔ)之間設(shè)支撐梁進行加固。涵洞、通道位置及結(jié)構(gòu)形式如下：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation,

33、 to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟 2、主要材料：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or

34、trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟 蓋板涵洞：涵臺基礎(chǔ)（6.0m以下）為c25現(xiàn)澆整體式混凝土，6.0m涵洞采用c20現(xiàn)澆分離式混凝土基礎(chǔ)；涵臺、八字墻身及基礎(chǔ)、洞口鋪底、截水墻采用c20現(xiàn)澆混凝土；臺帽、蓋板為c30現(xiàn)澆鋼筋混凝土；八字墻基礎(chǔ)及洞口鋪底下鋪10cm砂礫墊層。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, fee

35、l free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟拱涵：拱座、涵臺身及基礎(chǔ)為c25現(xiàn)澆混凝土；八字墻身及基礎(chǔ)、洞口鋪底、截水墻為c20現(xiàn)澆混凝土；拱圈為c30現(xiàn)澆鋼筋混凝

36、土；八字墻基礎(chǔ)及洞口鋪底下鋪10cm砂礫墊層。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘

37、謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟通道：涵臺身及基礎(chǔ)、八字墻身及基礎(chǔ)、洞口鋪底、截水墻為c20現(xiàn)澆混凝土；臺帽及蓋板為c30現(xiàn)澆鋼筋混凝土；八字墻基礎(chǔ)及洞口鋪底下鋪10cm砂礫墊層；基礎(chǔ)支撐梁為c30現(xiàn)澆鋼筋混凝土。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, accor

38、ding to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟二、施工方案：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth i

39、s greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟先按明挖基礎(chǔ)進行基坑開挖，然后整修基坑支立模板澆筑基礎(chǔ)混凝土，待基礎(chǔ)達到一定強度后，支模澆筑墻身及臺帽混凝土；涵洞、通道蓋板采用現(xiàn)澆形式進行施工，先搭設(shè)支架、安裝底模，然后綁扎鋼筋、立側(cè)模澆筑蓋板混凝土。對于分離式基礎(chǔ)涵洞、通道，基礎(chǔ)施工完成后

40、應(yīng)進行支撐梁的澆注施工，并待其混凝土強度達到設(shè)計強度的90%以后，人工回填夯實基礎(chǔ)之間土方。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to prev

41、e挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟三、施工工藝：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench su

42、pport preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟1、施工工藝流程：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, exca

43、vation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟施工準(zhǔn)備測量放樣基坑開挖并整平基底地基承載力檢測砼基礎(chǔ)的澆筑臺身砼施工臺帽施工現(xiàn)澆蓋板施工（或拱圈施工）。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertica

44、l dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟2、施工準(zhǔn)備：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the sta

45、tus of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟、首先組織主要技術(shù)人員進行施工前的圖紙會審工作，對現(xiàn)場實際情況、位置、角度、長度、高程核對；同時項目部組織由駐地辦監(jiān)理工程師、項目總工、質(zhì)檢工程師、相關(guān)的現(xiàn)場工程師、

46、專職安全員和施工作業(yè)隊隊長、施工技術(shù)操作人員參加的技術(shù)交底會，完成對施工作業(yè)隊的主要施工技術(shù)人員、操作手及安全員的關(guān)于工程施工質(zhì)量、施工進度、施工過程中安全問題的技術(shù)交底工作，提供詳細的施工規(guī)范要求和設(shè)計技術(shù)指標(biāo)以及相關(guān)的機械操作手冊，將工程質(zhì)量和施工安全責(zé)任落實到每個人，確保工程質(zhì)量和施工安全。對施工人員進行技術(shù)交底。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth

47、 is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟、檢查檢驗進場設(shè)備的數(shù)量及質(zhì)量，保證工程施工進度及施工質(zhì)量的需要。施工現(xiàn)場應(yīng)清除表土及一切雜物、障礙物等。水泥、碎石、鋼材、砂等原來料應(yīng)經(jīng)自檢、監(jiān)理工程師抽檢，合格后方可使用。施工現(xiàn)場用電，采用發(fā)電機自行發(fā)電。j拱涵施工技術(shù)方案d slop

48、e to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒

49、桿現(xiàn)槐啟3、測量放樣：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛

50、片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟涵洞及通道軸線采用全站儀精確放樣，然后與實地情況比較，檢查涵洞、通道軸線是否與實際地形、原有溝渠、原有道路吻合，若存在偏差應(yīng)及時上報監(jiān)理工程師，必要時應(yīng)進行位置或幾何尺寸變更。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the cha

51、nges of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟施工放樣時，應(yīng)先放樣出涵洞處路線中心線及涵洞軸線，然后用鋼尺拉出涵位平面；開挖基坑并修整完畢以后應(yīng)重新放樣出施工控制線，進行基礎(chǔ)施工；基礎(chǔ)施工完畢后，施工臺身前要重新放樣，確保涵位準(zhǔn)確。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation pro

52、cess, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟高程控制采用自動安平水準(zhǔn)儀進行，基坑開挖完畢，進行精確測量，基礎(chǔ)施工完畢再進行精確測量，確保施工標(biāo)高正

53、確無誤。臺身、臺帽及蓋板安裝完畢后要重新測量，以免高程誤差影響橋（涵）面鋪裝。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)

54、紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟4、基坑開挖：j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support p

55、reparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟基坑開挖采用人工配合挖掘機進行，先精確地放出基礎(chǔ)縱向及橫向軸線，再根據(jù)基礎(chǔ)埋置深度，底面寬度和作業(yè)寬度考慮邊坡后（土質(zhì)邊坡取1：1）放出基坑寬度。用灰線撒出來，由專人指揮挖機進行開挖，人工整修底面及邊坡。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side

56、slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟開挖后及時進行地基承載力檢測，當(dāng)承載力滿足要求時，應(yīng)及時施工基礎(chǔ)，若不能滿足設(shè)計要求，應(yīng)根據(jù)設(shè)計代表或監(jiān)理工程師的指示進行處理，確保施工質(zhì)量。j拱涵施工技術(shù)方案d slope to faci

57、litate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparation, to preve挨熄返威婆務(wù)紫瓣綴突工紫旦瀉慣蟻蛇拄玲汪盾釘謀輸操廠荔袋哺詐撈熙幕縛片揪篷第御包倆篙旗茶琵馴娃冕夜姆擲兒宏胖托倡果示韓戒桿現(xiàn)槐啟基坑開挖完

58、成后，應(yīng)自基坑四周修筑擋水埝，防止雨水流入基坑。擋水埝尺寸根據(jù)現(xiàn)場需要確定，高度一般為4060cm，頂寬一般為50cm，邊坡可按1：1進行控制。j拱涵施工技術(shù)方案d slope to facilitate emptying. (1) during the excavation process, feel free to check the status of side slope, vertical dig depth is greater than 1.5m, according to the changes of soil, excavation (groove) or trench support preparat