vm桥梁下部结构安全专项方案.doc

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1、According to Office Party of mass line education practice activities led group of unified arrangements, units main led to for cadres workers Shang a times party lecture, due to himself level limited, only put this stage concentrated learning of experience today and everyone common with learning exch

2、ange, purpose is let we further deep understanding mass line of connotation, insisted party of mass line, do masses work, following main from four a aspects told: a, and full awareness party of mass line education practice activities of major meaning Partys 18 major distinct proposed to focus on the

3、 partys advanced nature and purity, in the party, with pragmatic and clean for the people as the main content of the partys mass line and educational practice. This is comrade XI Jinping as party General Secretary and adhere to strictly administering the party, strengthen the partys major decision i

4、s in line with the public expectations and strengthening the construction of learning-oriented service innovation of Marxist partys major deployment, is the important measure to advance the great cause of socialism with Chinese characteristics. First, carry out the partys mass line in education prac

5、tice, was carrying 18 of the party spirit, summon a powerful force for realizing the great rejuvenation of the Chinese nation the Chinese dream of urgent needs. Partys 18 to promote strategic deployment to building socialism with Chinese characteristics, presents two 100-year goal, namely, by 2020 C

6、hinas gross domestic product and per capita income of urban and rural residents in 2010 on the basis of double complete the building of a well-off society; the middle of this century into a prosperous, democratic, civilized and harmonious Socialist modern country, and on this basis, the Chinese drea

7、m of realizing the great rejuvenation of the Chinese nation. 18 Congress of the party, Comrade XI Jinping repeatedly expounded the Chinese dream. The basic connotation of the Chinese dream, is the national prosperity, national revitalization, the happiness of the people, China important to follow is

8、 to keep China Road, carry forward the spirit and cohesion strength of China, dream dreams of the people of China, but determined confidence, enhance self-awareness, achieve self-reliance, to build a stronger China, civilization, harmony, beauty, China, China, China. Strategic conception of China wa

9、s 18 the spirit of the enrichment and development of the party, conscientiously study the Chinese dream, leading people to hard to realize the Chinese dream, mass education activities in depth the fundamental starting point and ending point. Strengthen the education of the partys mass line, helps to

10、 train the collective consciousness of the unity of the party and the people, playing the Chinese dream ideological bases. Comrade Mao Zedong stressed that parties should have common language socialist countries must have unity of will. History has浙江省三门湾大桥及接线工程第TJ3标段 桥梁下部结构安全施工专项方案XXXXXXXX工程第TJ3合同桥梁

11、下部结构安全施工专项方安编制： 复核： 审核： XXXXX工程局有限公司XXXXXXX合同项目经理部2015年1月proved that a people and a nation, if it does not have its own spiritual pillar, there is no unity of spiritual support, it means that no soul, will lose cohesion and vitality. Figuratively speaking, a sack of potatoes, quantity cannot be too

12、a team, form a joint force; only like granite, so closely United to form invincible, no difficult means of strength. National rejuvenation of Chinese dream, not only embodies the common interests and pursuits, and covers a variety of groups and classes, has a wide applicability and inclusive, with a

13、 strong integrating force and lead the force. She embodies the aspirations of several generations of Chinese, reflecting today . Into sex and purity, and the inevitable requirement of constantly improving the partys governing capacity. Strengthening the construction of the advanced nature and purity

14、, the core problem is always maintaining the partys flesh-and-blood ties with the masses, so that our party will always be the most wholehearted support of the masses. Must take the fundamental interests of the overwhelming majority of the people as the party all the starting point and ending point,

15、 the party has always been a common fate with the masses, this is the magic weapon for our party to always maintain the advanced nature and purity. Strengthening the construction of partys advanced nature and purity and enhancing the partys ruling ability will eventually be implemented to realize, s

16、afeguard and develop the fundamental interests of the overwhelming majority of the people. All the work merits this is a measure of the partys fundamental standards, is a measure of the partys advanced nature and purity standards. Believe who, depending on who, who, standing on the position of the o

17、verwhelming majority of the people are always, always realize, safeguard and develop the fundamental interests of the overwhelming majority of the people, it is a touchstone of the Marxist party of judgement, is also sign of Marxist party is different from other political parties. Marxist political

18、party has a clear political position and historical mission: for the interests of the vast majority of people, committed to the fundamental interests of the overwhelming majority of the people. From the day of the establishment of the Chinese Communist Party, always adhere to basic principles of his

19、torical materialism, for the interests of the most people as their goal, always serving as its fundamental purpose and values. Fully trust the masses, closely rely on the masses maintain flesh-and-blood ties with the masses is always the source of our party full of vigor and vitality, is always the

20、most determined in the development of our party and our country. Conscientiously accept supervision by the masses, pay attention to listen to the masses assessment, which itself was the partys advanced nature and purity into practical action to realize the fundamental interests of the overwhelming m

21、ajority of the people. At present, the party committees and leading cadres and the Government generally value the close relations with the masses, do a lot of productive work, but there are still some1中交第一公路工程局有限公司目录1 编制说明11.1 编制依据11.2 编制目的21.3 适用范围22 工程概况22.1 项目简介22.2 水文地质条件42.2.1 水文条件42.2.1.1 水深条件

22、42.2.1.2 潮汐特征42.2.1.3 设计流速42.2.1.4 桥墩冲刷52.2.2 地质条件52.3 施工平面布置132.4 施工准备情况132.4.1 技术准备132.4.2 施工现场准备133 施工工艺143.1 技术标准143.2 工艺流程、施工方法及要求143.2.1 桩基施工工艺流程、施工方法及要求143.2.1.1 陆地回旋钻反循环孔灌注桩143.2.1.2 陆地冲击钻反循环孔灌注桩213.2.1.3 海上回旋钻反循环孔灌注桩283.2.1.4 海上冲击钻反循环孔灌注桩373.2.2 地系梁的施工工艺流程、施工方法及要求463.2.2.1 地系梁的施工工艺流程463.2.2

23、.2 地系梁的施工方法及要求463.2.3 承台的施工工艺流程、施工方法及要求473.2.3.1 墩柱承台的施工工艺流程、施工方法及要求473.2.3.2 桥台承台的施工工艺流程、施工方法及要求513.2.4墩身的施工工艺流程、施工方法及要求543.2.4.1 陆地墩身的施工工艺流程、施工方法及要求543.2.4.2 海上墩身的施工工艺流程、施工方法及要求573.2.5 中系梁施工工艺流程、施工方法及要求613.2.5.1 中系梁施工工艺流程613.2.5.2 中系梁施工方法及要求613.2.6 盖梁的施工工艺流程、施工方法及要求643.2.6.1 盖梁的施工工艺流程643.2.6.2 盖梁的

24、施工工艺流程643.2.7 支座垫石的施工工艺流程、施工方法及要求683.2.7.1 支座垫石的施工工艺流程683.2.7.2 支座垫石的施工方法及要求683.2.8桥台的施工工艺流程、施工方法及要求693.2.8.1 扩大基础重力式U型桥台693.2.8.2 扩大基础肋板式桥台743.2.8.3 扩大基础座板式桥台783.2.8.4 承台基础肋板式桥台824 施工计划854.1 进度计划854.1.1 王岙大桥854.1.2 XXXX864.1.3 XXXX864.1.4 新桥枢纽匝道桥864.1.5 XXXX874.2 材料与设备计划874.2.1 王岙大桥874.2.2 XXXX884.

25、2.3 新枢纽主线桥894.2.4 新桥枢纽匝道桥904.2.5 XXXX924.3 劳动力计划935 危险因素分析946 施工安全保障措施956.1 技术措施956.2 监测监控措施966.3 管理措施966.3.1 组织机构966.3.2 安全教育976.3.3 安全纪律976.4 安全应急措施977 安全检查和验收997.1 外模安装997.2 液压系统997.3 电气系统997.4 钢筋制作、绑扎1007.5 电器设备1007.6 高空作业1007.7 台风1017.8 水上作业1018 附件102 1 编制说明1.1 编制依据（1）浙江省三门湾大桥及接线工程TJ3标中标通知书（2）三

26、门湾大桥及接线工程招标文件（3）浙江省三门湾大桥及接线工程第SS03合同两阶段施工图设计（4）浙江省三门湾大桥及接线工程第SS03合同施工图设计阶段地质勘察 报告（5）中华人民共和国工程建设标准强制性条文（建标2002202号）（6）公路桥涵施工技术规范（JTG/TF50-2011）（7）公路工程施工安全技术规程（JTJ076-95）（8）公路工程质量检验评定标准第一册（土建工程）（JTG F80/1-2004）（9）公路桥涵设计通用规范（JTG D60-2004）（12）公路桥涵地基与基础设计规范（JTGD63-2007）（13）公路钢筋混凝土及预应力混凝土桥涵设计规范（JTG D62-20

27、04）（15）海港工程混凝土结构防腐蚀技术规范（JTJ275 -2000）（16）钢筋机械连接通用技术规程（JGJ107-2010）（17）滚轧直螺纹钢筋连接接头（JG163-2004）（18）港口工程桩基工程规范（JTJ254-98）（19）公路工程混凝土结构防腐蚀技术规范（JTJ/T B07-012006）（20）公路全球定位系统（GPS）测量规范（JTJ/T066-98）（21）工程测量规范（GB50026-2007）（22）国家和交通运输部现行施工技术规范、规程及标准等（23）浙江省高速公路工程施工施工标准化管理实施细则（24）施工现场实地勘察获得的调查资料（25）我单位的技术实力以及

28、近年来参加类似工程的施工经验。11中交第一公路工程局有限公1.2 编制目的为防止或减少本合同段下部工程施工中的各类事故灾害，保障下部工程施工过程中的人身、财产安全，维护下部工程施工的正常秩序，不出现盲目蛮干的现象，实行安全生产目标管理，确保施工安全达标。专职安全生产管理人员持证上岗率100%；特大事故、重大、较大事故为零；一般事故死亡率、重伤率为零；机械设备检测合格率100%；岗前安全教育合格率100%；安全达标100%。1.3 适用范围适用于XXXXXXXXXXX项目经理部桥梁下部结构施工安全管理。2 工程概况2.1 项目简介本标段桩号范围XXXXXXXXX,里程长度XXXXXX。含XXXX

29、XXXX、XXXX、A、B、C、D匝道桥、XXXX。桥梁全长5.11km。王岙大桥位于象山县新桥镇，桥梁位于左、右分离式路基段，左线路段桥梁桩号为ZK63+345.1-ZK63+188.9、 右线路段桥梁起点 终点桩号YK62+341- YK63 +192,左线 桥梁全长843.8m，右线 桥梁全长851m。左、右线桥跨布置均为 7x(4 x30)m，共计七 联。桥梁起 点桥台采用肋 板 式台，钻孔灌注桩基础，终点采用U型桥台 ，扩大基础，基底地基承载力要求不小于300KPa；桥梁所有桥墩和起点101桥台基础按端承桩设计。XXXX位于象山县新桥 镇，横跨龙王头湾。本桥起终点桩号为K63+7 0

30、4.970-K64+761.030，桥梁全长为1056.06m ，桥跨布置为4x(4x50)+(5x50)m，共计五联，桥梁上部结构均采用等高度现浇预应力混凝土连续箱梁。桥墩均采用花瓶型片式实心墩，承台均采 用倒角矩形承台，基础均采用 钻孔灌注桩基础，0#、21#桥台采用重力式U台，基础均采用扩大基础。XXXX起终点里程桩号K64+861.18-K65+902.52，桥梁全长1041. 3m。全桥左右幅共计20联。左幅桥梁跨径布置：4x(4x30)+4x25+50+(26+28+26) +(27+28+27)+2x(4x30);其中第七联(2 6+28+26)与B匝道相连；右幅桥梁跨径布置：5

31、x(4x30)+50+4 x28+3x(3x30),第六联(50)与A匝道相连。下部结构单跨径50米两侧采用L型盖梁柱式墩，其余采用柱式墩直径1.3-1.6m ，基础均为桩基础；0号桥台为座板桥台，基础为扩大基础；终点桥台为重力式桥台，基础为扩大基础。A匝道桥起终点 桩号AK0+141.85-AK0+503.72，桥梁全长361.9m，本桥共5联：(25+25.05+25+25)+4x20+3x(3x20),下部结构采用柱式墩，基础采用钻孔桩基础，桥台为肋板式桥台，基础采用承 台桩基础。B匝道桥起终点桩号BK0+501.030-BK0+833.8，桥梁全长332.8m，本桥共4联：4x25+2

32、x(3x25)+4x20,下部结构采用柱式墩，基础采用钻孔桩基础，桥台为肋板式桥台，基础采用承台桩基础。C匝道桥起终点桩号CK0+196. 38-CK0+476.770，桥梁全长280.3m，本桥共4联：2x(3x20)+2x(3x25),下部结构采用柱式墩，基础采用 钻孔桩基础，桥台为座板桥台，基础采用扩大基础。D匝道桥起终点桩号DK0+430.23-DK0+824.82，桥梁全长394.6m，本桥共6联：5x(3x20)+(30+32+30), 下部结构采用柱式墩，基础采用钻孔桩基础，0号桥台为肋板式桥台，基础采用承台桩基础，18号桥台为座 板桥台，基础采用扩大基础。XXXX起终点桩号K6

33、6+624.73-K66+989.82，桥梁全长365.1m。本桥共4联：4x(3x30)，下部结构采用柱式墩，基础采用钻孔桩基础；0号桥台为肋板式桥台，基础采用承台桩基础，12号台左幅为肋板台，基础采用承台基础，右幅为桩柱台，基础采用桩基础。2.2 水文地质条件2.2.1 水文条件2.2.1.1 水深条件岳井洋位于象山县西南海域，为三门湾支港，经白礁水道与三门湾、石浦港相通。崇搀岛将岳井洋分成东西两汊，东汊为崇搀门，口门处分布着老虎礁、大青山、小青山、牛轭礁、青屿山等山体和礁石，通航困难；西汊马岙门，水深310m，深槽稳定，可通航。K48+400-K62+500段 低山丘陵区地下水对混凝 土

34、结构多具微腐蚀性，在其他路段的海积平原，地下水对混凝土结构多具微弱腐蚀性。2.2.1.2 潮汐特征三门湾、岳井洋各站的潮位 ，具有非常一致的变化规律；在一太阴日一日中，规则 地出现两次高、低潮位；在一个月中，规则地出现 两次大潮和两次小潮，半月及月变化规律亦十分明显；各站潮位过 程曲线，除高低潮稍有 差别外，其余几近重合。 健跳水文站是三门湾内唯一的长期潮位站，观测规范、资料可靠、序列长。根据健跳水文站19902008年每日高、低潮潮时与潮高资料统计结果如下：三门湾各跨海大桥桥址区潮位特征值潮位（m）潮差（m）涨、落潮历时（hh:mm）高潮位低潮位涨潮落潮平均最高平均最低平均最大平均最长平均最

35、长2.385.49-1.81-3.734.177.2306:1708:0606:0808:402.2.1.3 设计流速桥区水域潮流强度中等，最大流速在3节左右，总体上落潮流略强于涨潮流，且落潮流历时略长于涨潮流历时。 根据实测的最大涨、落潮流速，岳井洋水域为1.16m/s和1.27m/s。根据专题研究计算得到桥位区 各计算点潮流可能最大流速、根据潮流最大可能流速与不同重现期的风漂流可能最大流速合成，得到各计算点不同重现期海流可能最大流速与其对应得流向。2.2.1.4 桥墩冲刷根据桥梁基础冲刷模型试验结果，300年一遇潮型时，桥桥墩基础的冲刷深度见下表。桥名岳井洋-马岙门大桥桥墩墩型柱墩边墩引桥

36、墩桥墩编号/位置21#-23#/主槽20#、24#/主槽17#-19#，25#-27#/主槽15#、16#，28#、29#/边滩试验冲刷深度(m)8.76.56.24.2最低高程(m)-19.7-17.5-17.2-9.2注：表中结果为冲刷试验结果。2.2.2 地质条件本项目K62+400K71+500段线路经过丘陵和海湾，跨越龙王头湾、岳井洋等。丘陵地势较陡，基岩多直接出露，岩性为凝灰岩，岩质坚硬，但节理裂隙发育，部分节理延伸较长；海湾及浅部平原区有软土分布。本合同段地层共划分为8个工程地质层组，52个工程地质层，各层特征分述如下。0素填土(Qme)分布于村镇、田埂、堤坝等处。灰黄色、灰色，

37、松散稍密，主要由碎块石及黏性土组成，局部为生活垃圾。层顶埋深0m，厚度0.902.00m。1粉质黏土(Q43al+m)零星分布于山前冲积平原区地层上部。黄色，可塑硬塑状，干强度及韧性中等，土质不均，切面较粗糙，局部含少量碎石，呈棱角状，母岩成分为强-中风化凝灰岩。层顶埋深0.002.00m，厚度0.603.20m。1淤泥(Q42m)分布于平原区表部。灰色，流塑，厚层状，含贝壳碎片，局部夹薄层状粉土。层顶埋深0.009.00m，厚度1.9019.00m。2淤泥质黏土(Q42m)分布于平原区上部。灰 色、灰黄色，流塑，厚层状，含贝壳碎屑和半炭化物，粉砂呈薄层状或团块分布，土质不均匀。层顶埋深0.0

38、025.20m，厚度1.7019.30m。3粉质黏土(Q42m)零星分布于平原区上部。黄色，可塑硬塑状，干强度及韧性中等，土质不均，切面较粗糙，局部含少量碎石， 呈棱角状，母岩成分为强-中风化凝灰岩。层顶埋深9.2m，厚度6m。1黏土(Q41al+l)分布于平原区上部，不连续分布。灰黄色、灰绿色，可塑状，土质均匀，含少量铁锰质氧化斑点。层顶埋深 8.9020.20m，厚度1.5010.10m。 粉土(Q41al+m)零星分布于平原区上部。灰黄色，稍密，含云母碎屑，局部含少量黏性土，摇振反应慢。层顶埋深11.9016.80m，厚度0.804.20m。2粉质黏土夹粉土(Q41m)分布于平原区上部。

39、灰色， 灰绿色，软塑流塑，夹薄层状粉土，局部粉土含量较高。层顶埋深15.0022.00m，厚度5.2010.80m。 淤泥质粉质粘土(Q41m)零星分布于平原区上部。灰色， 饱和，流塑。无层理，偶见粉土薄层，切面光滑，土质均匀，干强度高。层顶埋深10.0027.20m，厚度2.2017.80m。 粉土(Q41al+m)零星分布于平原区上部。灰黄色，稍密，含云母碎屑，局部含少量黏性土，摇振反应慢。层顶埋深12.3014.00m，厚度5.205.50m。3粉质黏土(Q41m)分布于平原区上部。灰色，软塑状，局 部流塑状，鳞片状，局部夹粉砂薄层及团块，含贝壳碎片。层顶埋深8.7032.40m，厚度0

40、.6023.80m。 粉土(Q41al+m)局部分布于平原区上部。灰色 ，饱和，中密。无层理，含铁锰质斑点，含黏性土团块，干强度低，摇振反应较快。层顶埋深16.0026.80m，厚度2.709.30m。 含黏性土角砾(Q41dl+pl)局部分布于平原区中部。褐黄色，饱和，中密。角砾约占总量50%，呈棱角状、次棱角状，粒径0.5-2cm，含少 量碎石，个别大于5cm，黏性土约占25%-30%，其他为砂砾。层顶埋深29.4m，厚度1.6m。5 含黏性土角砾(Q41dl+pl)零星分布于平原区中部。灰色，中密，含云母碎屑。层顶埋深12.6027.70m，厚度1.106.20m。1粉质黏土(Q32al

41、+l)分布于平原区中部，不连续分布。灰黄色，可塑，厚层状，含铁锰质浸染斑块，土质不均，局部夹粉土薄层、团块。层 顶埋深12.5033.10m，厚度0.809.60m。 粉砂(Q32al+m)零星分布于平原区中部。灰色，中密，含云母碎屑。层顶埋深23.6026.00m，厚度2.404.20m。2粉质黏土(Q32m)分布于平原区中部。灰色，软塑，厚层状，局部夹粉土薄层，含少量贝壳碎片及腐殖质，土质不均。层顶埋深16.3044.00m，厚度0.9023.90m。 粉土(Q32al+m)分布于平原区中部。灰色，饱和，中密。具层理，局部夹黏性土层，切面较松散，韧性低，干强度低。层顶埋深22.7033.3

42、0m，厚度0.904.10m。 粉砂(Q32al+m)分布于平原区中下部。灰色、青灰色，饱和，中密密实，主要成份为石英、长石，含黏性土，局部含量较高。层顶埋深21.9033.70m，厚度0.606.30m。 含黏性土圆砾(Q32al+pl)局部分布于平原区中部。褐黄色，饱和，中密。圆砾约占总量50%，呈次棱角状、次圆状，粒径0.5-2cm，含少量碎石，个别大于5cm，黏性土约占25%-30%，其他为砂砾。层顶埋深21.3041.40m，厚度0.8012.30m。3 粉砂(Q32al+m)分布于平原区中下部。灰色、青灰色，饱和，中密密实，主要成份为石英、长石，含黏性土，局部含量较高。层顶埋深30

43、.8038.20m，厚度1.208.20m。 粉土(Q32al+m)分布于平原区中部。灰 色，饱和，中密。具层理，局部夹黏性土层，切面较松散，韧性低，干强度低。层顶埋深31.4043.60m，厚度2.0012.60m。 粉质黏土(Q32al+m)零星分布于平原区中部。青灰夹灰黄色斑点，饱和，可塑，无层理，切面较光滑，土质较均匀，干强度中等。层顶埋深27.3040.00m，厚度2.203.60m。1粉质黏土(Q32al+l)分布于平原区中下部，不连续分布。灰黄色、蓝灰色，可塑，含铁锰质氧化物及灰白色高岭土条，局部夹粉土粉砂团块、薄层。层顶埋深33.0044.10m，厚度0.8010.60m。2粉

44、质黏土(Q32m)分布于平原区中下部。灰色，浅灰兰色，可塑，厚层状，土质不均，局部夹粉砂薄层，局部为黏土。层顶埋深26.0058.40m，厚度0.9021.80m。 粉土(Q32al+m)零星分布于平原区中下部。灰绿色,湿,稍-中密,厚层状,土质不均,局部夹黏性土薄层,摇震反映快速。层顶埋深25.0055.50m，厚度0.7017.60m。 粉砂(Q32al+m)分布于平原区中下部。灰色、青灰色，饱和，中密密实，主要成份为石英、长石，含黏性土，局部含量较高。层顶埋深40.5m，厚度6.7m。3 粉砂(Q32al+m)分布于平原区中下部。灰色、青灰色，饱和，中密密实，主要成份为石英、长石，含黏性

45、土，局部含量较高。层顶埋深37.3064.10m，厚度1.104.60m。 粉土(Q32al+m)局部分布于平原区中下部。灰色，中密，含云母碎屑及少量粘性土，摇振反应迅速。层顶埋深50.0051.30m，厚度3.6010.00m。 粉质黏土(Q32al+m)局部分布于平原区中下部。灰色，灰黄色，可塑，局部软塑，具层理，夹粉土、粉砂薄层，层厚1-3mm。层顶埋深46.6056.20m，厚度1.706.20m。4 含黏性土圆砾(Q32al+pl)多分布于平原区中下部。灰色、灰黄色，中密-密实，粒径0.2-2cm含量30%-60%，粒径2-8cm含量20%-30%，个别大于10cm，次圆状，母岩成分

46、多为强-中风化凝灰岩,余为中粗砂和黏性土充填，黏性土含量较高。层顶埋深39.2073.00m，厚度0.4022.10m。 粉质黏土(Q32m)零星分布于平原区中下部。灰色，软可塑，厚层状，含有机质斑点，土质均一。层顶埋深45.9067.30m，厚度0.603.10m。 细砂(Q32al+m)分布于平原区中下部。灰色、青灰 色，饱和，中密密实，主要成份为石英、长石，含黏性土，局部含量较高。层顶埋深52.7071.40m，厚度1.402.70m。 粉质黏土(Q32al+pl)零星分布于平原区中下部。灰色、灰绿色，可塑，厚层状，土质不均，局部夹少量粉砂。层顶埋深41.4041.40m，厚度3.603.60m。5粉质黏土(Q32m)局部分布于平原区中下部。灰色，可塑，具层理，夹粉土薄层，局部含较多腐殖质。层顶埋深48.0076.30m，厚度0.5018.30m。 粉土(Q32al+m)零星分布于平原区中下部。灰绿色,湿,稍-中密,厚层状,土质不均,局部夹黏性土薄层,摇震反映快速。层顶埋深61.3068.50m，厚度1.7010.30m。6 含黏性土圆砾(Q32al+pl)含黏性土圆砾(Q)/局部分布于平原区中下部。灰色，饱和，密实。卵石呈次棱角