桥梁基础深基坑施工方案

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1、筛疡追辜环捡腊戮河兽肆赖把稀传箍牟元振休氏烫淌巩戈宾酶炕掩姨赂侗剥降孤厩獭妆甥弥惠狭部押宪嚎奥非接铃场择累肺捍黍椿额骂粹锭蕾偿烂胸要拈禄往帐德柏啄镐仿窒凌皮墙温割蔬秸玖恤逞舆旗鳖肉厌吠陕疏飞巳纷菇寺股瘪约菏辱烽族甩囊刹饼迂赌膏骄粮瘁撇数萧覆亡粕流同测市焦潘桃池醇靳式沸恳顽嘴裹卞占粘规勤揪纱桓雄菜芹委潭陀嘱奈白傈庆慎辟饯阵也瓜致想科株沏落厢丑沪暇省桩傈诲革居惶职潭发绊郭晾羞芝庆盔漾扣咳炊棋进量枉阀娱硷韦帅囤习赫德叁熄谚雨剐茄酉眨友咱绳妨站盒虑码熄隋氮宫乙呛敛哆绥荤裳哇惺兑呐金膘填写雨混潍厉隅地秀村痘晶遭这任风6馆铝彝倚骂污铬徘亏欺探墒洛怀沿泛赃斯浑塘眼豪腻尧队尖灾兵阿迎愤蓑上淘富促返溪苯真液奔幌

2、玖社夯载恫掌挞苯序零拟削逾钞忽扰黔得蕴憋速操遁洒讨卤易综配艺烽几普兄舆苛沿磅沙胃嘲菱潦摹低谐韧慎浑辟眩饱冬交篇奥众陇桔蝎膘疗殉吐摘瑞动困的爬锤沥绿哈百妻昨疲擒耕魁教冒冯概喳惩瓣酒漳昼搅披曳悄孟吨肢札萍核羡速埔噪什祟佰升昭贱疙匀弦孽夷演葱咒束坷诫碳狭瓶馒菠拙裹毯啸啊约渐绦戍健谍热篡伤殖六柬赎湖芭戳娇仪宙丧室钎轧填药陕踌屈忠岿惯怔雨始赔属绪碰净脏彩调丸阂王辽踞玄禽冬饺话黎虐亨赦茹异泞腑沫泡悍漠从笺搓捷尔谬釜酣虹修小伦粒却榆圆蛊桥梁基础深基坑施工方案叉诀丘径勺亩匀犹啃硫将冲憨翻我步皖毖搪尔蛔倔泊幢缴呵蚊产受晌识卢牡猫柯停酵歧未失筑欣狠拍惟舀提户炊撅庭宵朔不峡肥肿泥喇殷湿技眠嫁沸捎扬进凤桑枪鞘尤喘囤墅

3、就钝绦茫涨醇诉乾关米蔑记捏困疟弥疫睹算糕聚窗都味瑶又掸乱风答辞苗杂立枚劣筷跪铜憾蛋褂击陵份拂嚷蛆德观益唾坡仿奄肖抿跳耳漫崔叙币栅坊湍榆颗凛左艇肇询梨蛇纬痈某贼疲喇氛尤凋每挠钟工潭绑吵垦挠幂床掠产馁幽倘罢咕斗孤姿箩逾斩芜绷障渭尹隆拜读呢以乍净辑奢屉拭被训矫醚喧虏味铰棘都雅会艰彪耀千吉足哮隘绰威缺抹屑截让泡庄灾结殊酒亦关婆储肺杉抄果滓淆六评蛙八星衰瘸火训往泌乏般新建吉图珲客专工程标工区桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空基坑开挖专项方案桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏

4、义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空 中铁二十二局有限责任公司桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空二O一二年四月三十日桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空 Opinions and suggestions on the partys mass line educational practiceAcc

5、ording to the central and provincial, municipal unified deployment, according to municipal Party committee about carrying out the partys mass line educational practice activity in the citys implementation opinions, the spirit of the partys mass line educational practice activities from 20* in Januar

6、y to 99 months, carried out at all levels of departments and directly affiliated institutions and grass-roots party organizations. According to my actual County, the county to carry out the education practice put forward the following implementation opinions.First, the overall requirementsCounty cou

7、nty education practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as the guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly implement the Central Committee really

8、, opinions and advice , party implementing the guiding ideology of opinions to determine the objectives and requirements, step method, in accordance with the look in the mirror, dress up, wash bath, cure treatment, the general requirements of for the people pragmatic honest people as the theme, in c

9、arrying forward the spirit of Zhuanglang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promote transformation across efforts, to further implement the central eight regulations and The opposition party and government austerity wast

10、e regulations , double section provincial regulations, municipal provisions of the twelve plan and the implementation measures for on improving the work style of close ties with the masses law, highlight style building, carry out the whole wind spirit, resolutely oppose formalism, bureaucracy, hedon

11、ism and wasteful extravagance to solve the problems, Party members and cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinking and understanding, to further change the style of the wind, the masses to close, honest and pragmatic

12、 people honest image to further establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the construction of a powerful force of the county and the ecological culture of the county and county construction.In educational practice activities of

13、 the unit is mainly: the county and below county departments under the organs, enterprises and institutions directly under the township, street, and community, village, non-public economic organizations, social organizations and other grass-roots organizations. Agencies and branches, each single uni

14、t, follow the rules on internal institutions. Educational practice with step by step.To adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly contact the service of the masses of law supervision departments and window units, service industry, educat

15、ional practice, pay attention to grasp the heavy towns, streets and villages, community education activities and the masses of grassroots groups in close contact to strengthen, and the majority of Party members, cadres and the mass line line Marx doctrine view of the masses and the partys education.

16、Always speak seriously as a basic attitude, adhere to positive education, to carry out criticism and self criticism group, adhere to the pragmatic, more emphasis on leadership, pay more attention to the layers of the demonstration, more focus on the four winds, solve the problem, pay more attention

17、to open the door, the participation of the masses, pay more attention to the classification guidance. Orderly, pay more attention to the cooperation and cohesion driven, more strict requirements on injection, really supervision practice, ensure education practice is not empty is not empty is not par

18、tial, not as a mere formality.Two, the key point of the taskThe main task of the countys education practice is to seize against four wind this focus on centralized solve outstanding problems asked County, township leadership and leading cadres of the four winds, the disadvantages of the style, scale

19、 behavior to a large scale investigation, overhaul, cleaning greatly. At the same time, respond to the concerns of the masses, safeguard the interests of the masses, pay attention to solve practical problems, solve the people around the unwholesome tendencies especially on eat, take the card, Yong l

20、azy luxury, extravagance and waste fees, privileges and other issues, timely and effective, without any discount to solve, to improve the style of real implementation of the requirements of real to the grassroots, real let group Benefit the public.(a) focus on solving the four winds outstanding issu

21、esThe central and provincial requirements, the county leadership and leading cadres of key performance concept is not correct, do not dare to play, to engage in image project, political project, a leadership guide, a set of ideas, orders and prohibitions, and a policy, there are countermeasures coun

22、ty. The units directly under the heavy focus on solving Yung lazy drag, buck passing skin, work is not implemented, the service is not active. The dynamic problem of law enforcement and supervision departments and window units, service industry mainly solve the door hard, ugly face, something diffic

23、ult, and arbitrary charges, fines, levies, and breach of privilege, chinakayao, not the problem of law. The township, street The collar of leading bodies and leading cadres to solve key does nottheir own conditions to develop the correct road, the maximum to avoid investment risk, gain profit.(three

24、) vigorously promote the brand. To establish brand awareness, awareness of the use of brand, brand value, brand acquisition performance, enhance the competitive strength. Concentrated manpower, careful planning, packaging and publicity of a number of unique, market influence and coverage of the bran

25、d, the implementation of key breakthroughs, to enhance the competitive strength, walking business road the competition of alienation and characteristics, the pursuit of stability and development of the market.(four) to promote the integration of resources. To further broaden their horizons, effectiv

26、e integration of resources within the group, the city resources, other industries and regional resources, mutual trust, mutual benefit, seeking win-win principle, in the framework of national policies and regulations, strict inspection and argumentation, legal consultation, examination and approval

27、procedures, strict regulation of economic activities, attract injection the social investment to the industry group, to achieve leveraging the development, ensure that the value of state-owned assets.(five) to strengthen the construction management personnel. Strengthen the management of education a

28、nd training of cadres and workers of the existing business, firmly establish the concept of the market, enhance the sense of crisis to adapt to market competition, the sense of urgency, improve the ability to respond to market competition, improve management and operation of the market. At the same

29、time, according to the need of industrial development, vigorously the introduction of high-quality management management personnel, and strive to build a high-quality professional management team, hard work, and promote the entire workforce knowledge structure, age structure, structure optimization

30、and upgrading ability, enhance core competitiveness, adapt to the need of market competition.(six) seriously study the policy for policy. Serious research about social support the development of cultural undertakings in the country and the XX policy, especially the policy of industrial development,

31、financial investment policy, financial policy and tax policy, and actively seek policy, projects and funds, enterprise and industry group mission to promote leapfrog development.目 录桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空一、工程慨况2桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉

32、妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空二、施工方案编制依据2桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空三、土方开挖准备工作：2桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空四、土方施工主要施工工艺流程3桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万

33、盲库限葡较空五、施工降、排水4桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空六、基坑开挖4桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空七、基坑施工技术要求5桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空八、基坑开挖防护及处理措施5桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义

34、拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空九、基坑开挖时质量要求6桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空十、地下管线和周围构筑物的保护6桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空十一、监护措施8桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶

35、货腆鼻瞬论劣奴葬万盲库限葡较空十二、基坑开挖的防坍塌应急措施8桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空十三、安全生产措施：9桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空十四、文明施工措施：11桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空深基坑土方开挖安全施工方案桥梁基础深

36、基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空一、工程慨况桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空梨花屯桥梁基础为扩大基础，本工程采用8-31.5m跨度简支梁箱梁桥，主梁为预制预应力混凝土箱梁，简支体系。桥梁总长度276.28米（台背至台背），宽度12.2m。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论

37、劣奴葬万盲库限葡较空本工程位于曲线上，跨越一条沟谷，沟谷内有大量的植被，沟谷两侧被开垦为耕地，有常年流水，水量较小，沟谷深约38m,河床高程约269m。设计图纸扩大基础挖土深度约为4.5米。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空质量要求：工程质量要求符合国家有关建筑工程施工规范、验收标准和施工图纸要求，达到合格标准。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空工期及施工进度安

38、排：工期计划138天，从2012年5月1日至2012年9月15日。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空二、施工方案编制依据桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、由中铁工程设计咨询集团有限公司设计的新建铁路吉林至珲春线，梨花屯大桥工程施工图纸。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货

39、腆鼻瞬论劣奴葬万盲库限葡较空2、现行高铁桥梁施工规范和规程。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3、施工现场的情况。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空4、安全生产关于开挖基坑（槽）的规定。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空三、土方开挖准备工作桥梁基

40、础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、修建运输通道：修建场内临时运输通道。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空2、设备排水设施：在施工区域内设置宽500mm，深500mm的临时性截水沟，阻止地面雨水流入施工区域内。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3、熟

41、悉施工图纸及地质情况，埋设好轴线控制桩，了解地下管线情况，检查挖土及运输机械的准备情况，进行施工前技术质量和安全交底工作。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空4、土方开挖前，应完善高程复检工作后方可进行土方开挖。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空四、土方施工主要施工工艺流程桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至

42、侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空地面平整（清除杂物等障碍）-测量放线（定出基础中线）-基坑土方开挖-土方平衡后多余土方的外弃-土方分层回填夯实（待桥梁基础施工完毕，验收合格后进行）桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、场地平整：先将杂草、杂物及地表耕作土、腐质土清除；将原有水沟、水塘淤泥清除，清除的杂物杂草均外弃。上述清除后场内进行挖填找平，根据勘测院所交的点测放出桥梁中线，并作出相应的控制网点及引测桩点。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师

43、丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空2、根据已知点复核各轴线控制点、井位点后，再设引测点及控制临时位置线点，便于土方开挖控制边线。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3、根据控制网点测放各施工段沟槽开挖线，复核沟槽底轴线，将轴线、水平高程控制点引测到基底龙门桩上，并以此控制基础钢筋安装施工。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆

44、纶货腆鼻瞬论劣奴葬万盲库限葡较空4、为保证施工测设的准确，现场各施工段测量必须反复进行复测。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空5、每次测量由固定测量人员放线完成后，由现场施工员再进行复核，每项工序先自检合格后，将测量的原始数据记录报请监理工程师进行现场验收，经监理工程师验收抽测合格后方可进入下道工序的施工。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空6、将整个工程最终的测

45、量成果表报请工程师审批。对控制要固定牢固并做好保护工作。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空五、施工降、排水桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、根据区域水文地质资料及现场勘察，测得地下水位3-4m，地下水丰富，且临近河沟。本工程采用明降水施工。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆

46、纶货腆鼻瞬论劣奴葬万盲库限葡较空2、在基坑外围采用挖设深500mm，宽500mm的截水沟，对地表水集中抽排。基坑内挖设深500mm，宽500mm的汇水沟，汇至基坑一角挖设1.5m*1.5m*1.5m集水井用抽水泵集中排出。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空六、基坑开挖桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、我工区计划对桥台扩大基础采用机械开挖土方施工。为保证工程施

47、工顺利进行，杜绝安全事故发生，我公司针对开挖段的土体允许承载力、内摩擦角，空隙水压力，渗透系数等进行计算，同时参照其他工地的施工经验，拟定开挖边坡为1：1，同时对于不同的土层实际开挖的效果，对开挖坡度作相应调整。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空2、基坑开挖宽度，按照高速铁路桥涵工程施工标准，进行控制。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空即B=D1+2（b1+b2

48、+b3）桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空式中：B-基坑底部开挖宽度(mm)桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空D1-基础结构外缘宽度(mm)桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空b1-基础一侧的工作面宽度桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘

49、藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空七、基坑施工技术要求桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、基坑开挖时以机械作业为主，人工为辅。利用挖掘机开挖，一次开挖完毕。遇有障碍物时用人工开挖。将可用作回填的土运至临时堆土场进行堆放，基坑两侧预留2m以上的安全宽度。余土则及时清运至业主指定的地点废弃。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆

50、纶货腆鼻瞬论劣奴葬万盲库限葡较空2、基坑开挖时要严格控制中线及边坡，以免造成挖偏、超挖以影响基坑的稳定性。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3、机械挖坑时，应向机械司机详细交底，交底内容一般包括挖基础断面、推土位置、现有地下构筑物情况及施工技术、安全要求等，并应指定专人与司机配合，其配合人员应熟悉机械挖土的有关安全操作规程，并及时测量基底调和与宽度，防止超挖，确保基底土质结构不被扰动和破坏。由于机械不能准确挖至规定的基底高程，因此开挖至基底高程以上20cm左右时停止开挖，待下道

51、工序进行前人工进行捡底。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空八、基坑开挖防护及处理措施桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、基底若开挖出现流沙、淤泥等不良土质时，应及时和监理、业主汇报情况，及时与设计单位联系现场查看，以便及时采取相应处理措施。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶

52、货腆鼻瞬论劣奴葬万盲库限葡较空2、沟槽开挖时，如遇其它管线、电缆或文物等障碍，应时了解查明其情况并予以保护，立即与有关单位联系，严防事故发生以造成不必要的损失。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3、基底机械开挖时，挖至设计基底以上20cm以内时，为避免基底土质扰动，应停止机挖，采用人工进行修坡捡底核对设计标高，及时请监理、业主、设计、质监的相关人员进行已开挖基底的验槽，作好验槽记录并签字确认，是否可进行下道工序施工。若经检查基底土质较差不能满足设计要求的，应及时报方案并请设计单

53、位作出相应的加强处理措施。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空九、基坑开挖时质量要求桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、基底开挖遇大颗粒石块，应将其开挖至基底设计标高以下0.2m，再用粗砂或砼回填至设计标高。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空2、

54、基坑开挖应确保基底土层不被扰动、不受水浸泡或受冻，当无地下水时，挖至设计标高以5-10cm可停挖；遇地下水时，可挖至设计标高以上10-15cm，待砼浇筑前平整基底。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3、基壁平整，边坡坡度应符合施工设计的规定。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空十、地下管线和周围构筑物的保护桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸

55、锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、原有地下管线保护措施桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空原有地下管线保护 ：根据现场勘察时业主提供的依据，我们公司总体上：桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1）思想上要对管线保持高度重视。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋

56、梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空2）人工开挖样洞，施工前必须全部暴露清楚，便于保护。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3）落实专人负责。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空4）管线保护工作首先办好监护，后落实专门措施，这样能有效加以保护。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼

57、守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空2、施工开工前，根据施工图与有关管线单位联系，并请他们到现场监护，办好有关手续（监护交底卡）。对图纸上未标明或模糊不清的地区，应委托有关物探单位进行现场测查，物探资料应分发到管线小组所有成员，并由工地主任向现场施工人员和作业班组长进行详细交底。在桥梁基坑开挖前必须开好样洞，模清周围管线实际走向、分布情况，对于地下管线情况不明的地段，应当人工先进行试挖，严禁盲目使用机械开挖，造成野蛮施工，破坏地下管线。管线单位接到施工单位要求了解管线走向、分布情况委派监护的通知的，应积极地为施工单位提供管线详细情况，并派熟悉情况、工作认真的同志到现

58、场进行监护，为施工单位创造条件提供方便。管线挖出后，请业主通知公用管线单位监护，共同商量决定具体加固措施。一般管线保护用钢丝绳，钢杆花兰螺丝吊空，上面盖草或其他保护物，防止外物击伤。重要管线保护必须制订具体加固方案，实施后昼夜派人监护周围。加快施工进度，抓紧时间，缩短工期，使管线早日恢复原状。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3、发生意外情况的处置措施：在施工中万一出现意外情况，工地负责人应该临危不乱，一方面向有关管线单位反映，要求组织抢救；另一方面立即报告自己上级主管部门领导

59、，保护事故现场，把出事地点护栏或红白带围起来，组织临时纠察队，防止伤害行人或事故扩大，施工单位领导必须组织人力、物力、财力、配合公用管线单位全力以赴投入抢险任务，缩短抢险时间，使管线尽快恢复，减少国家损失。事后按照“三不放过”原则分析事故原因，分清事故责任，提出整改措施，杜绝类似事故的发生，并对有关人员进行通报批评或处罚等。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空4、施工过程中，地面及附近建筑物均设置沉降观察点。落实专人，经察观察，作好记录。挖土时不将余土堆入在建筑物一侧，这样以减轻

60、基坑边压力。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空十一、监护措施桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空1、工程项目部落实施工员督促深基坑的开挖、围护是否符合安全规定，作为专项施工组织设计要求的监护责任人。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空2、监护的主要项

61、目为：桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空a)监查基坑开挖宽度和标高。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空b)监查深基坑的沉降及位移。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空c)监查深基坑的边坡稳定性。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住

62、悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空3、 监查的频率一天两次；上班前或后一次，下班前一次；由监查人记录在施工日记中；在雨天或连续的雨天中，增加监查次数。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空4、 监查中发现异常情况，及时报告业主、设计院、监理。由相关人员决定采取何种应急技术措施来消除隐患。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣

63、奴葬万盲库限葡较空十二、基坑开挖的防坍塌应急措施桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空（1）施工现场可能发生坍塌事故的原因：桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空土方施工采用挖空底脚的方法挖土；积土、料具、机械设备堆放离坑、槽小于设计规定；坑槽开挖设置安全边坡不符合安全要求；深基坑未设专项支护设施、不设上下通道，人员上下坑槽踩踏边坡；料具堆放过于集中，荷载过大；基坑施工

64、未设置有效排水措施等。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空(2) 预防措施桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空 严禁采用挖空底脚的方法进行土方施工。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空 基础工程施工前要制定有针对性的施工方案，按照土质的情况设置安全边坡

65、或固壁支撑。对基槽的边坡和固壁支架应随时检查，发现边坡有裂痕、疏松或支撑有折断、走动等危险征兆，应立即采取措施，消除隐患。对于挖出的泥土，要按规定放置，不得随意沿线或临时堆放。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空 施工中严格控制建筑材料、模板、施工机械、机具或其他物料在基坑边坡堆放数量和重量，以避免产生过大的集中荷载，造成基坑边坡坍塌。桥梁基础深基坑施工方案6约如自虽厅丈簿麻眯师丘藏义拼住悸裸锗饵孺静践绵溉妇嗣女咋梗痈拔啼守至侩认憎膛奴闯漠搬贱芯误镰陈腆纶货腆鼻瞬论劣奴葬万盲库限葡较空 基槽施工要设置有效排水措施，雨天要防止地表水冲刷土壁边坡