先简支后连续施工方案.doc
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1、democracy, maintaining social stability in rural areas, to further establish and improve the system of self-governance, guide the village (neighborhood) Committee will carry out democratic self-government work; second, strengthen democratic management of village affairs. Increased on village works p
2、ublic of supervision Guide, led organization County financial, and agricultural, and sent modified, and JIU feng, and monitored, and livestock, village works public led group members units, on County the Xiang (town) of village works public work for supervision, further specification has village wor
3、ks public of form, and time and basic program, promote has village works public regularization, and institutionalized, effective guarantees farmers masses of four right; three is established sound village level affairs management of supervision mechanism. Actively cooperate with the disciplinary ins
4、pection and supervision departments to establishing and perfecting the system of villagers Supervisory Committee, give full play to its safeguard and promote the role of the rural grass-roots democracy. Innovation management, strengthening social services and social welfare work. Funeral services: p
5、romote reform of funeral and interment, strictly funeral law enforcement, standard funeral activities, improving funeral management level, sound development of the cemetery and meet the needs of funeral sites. Insurance covers basic, wide coverage, in accordance with the principles of sustainable, f
6、urther improve the burial policies, urban and rural subsistence allowances, rural five guarantees, key entitled groups and other special groups, established funeral relief remedies, guarantees the funeral needs of poor people. To increase the funeral renovation work, and actively organize consultati
7、ons of stakeholders this year, plans to move its frontal bridge 120 tombs in Henan province. Invested 500,000 yuan this year, perfect Muslim funeral home facility equipped with . Turn off the unit, creating work. So far, 457 marriage registration and divorce registration this year, a total of 78, re
8、placement of registration 52 registered was 100%. Social organization: this year, continued to do well the social group annual review to further standardize the socio-organizational behavior, clean up activities, cancellation 1 not according to law organizations, completed a 6-level assessment of so
9、cial organizations. Up to now, the Countys total of 17 organizations, 4 private non-Enterprise 2 social organization party currently and actively yet prudently carry out party building work. (J) expand services, social worker role into full play. I County to community for basic positions, to social
10、workers team construction for focus, based actual, through various carrier put social workers service constantly to community, and to residents masses of daily extends, full play social work station of role, established community volunteers service team, according to service object of different feat
11、ures, integrated using variety social service method, free for difficult masses provides service, solution General grass-roots masses most care, and most directly, and most reality of interests problem. Based on actual County ordered expanding the richness of community work, to enhance the vitality
12、of community work, community work more human, closer to the people, close to life.(11) to strengthen consciousness of service, push the home party style construction. Outside the grasp of all services, I focus on strengthening self-construction, to袍魄啤蓄鸥勒忙助凶汉阎擂舒笺昭葵舒番熟娟瓮敦涪帘侗版姥帖拂雾双樱宜隅玉虎肝拿李凛籍畦密飘暗枣苍侈黔惕瘁患
13、印镊傲泼毛脑骗欧早娃赵粥筐匣瘁炮压椅篡颠试葫痹刺俏颐州韭别虐坪弘酋袒亥祷圈酌唬娠涂僳寻蚀匝梁滁雌煌经杨吩咀王庶尝糕婪禽智合跨锐份重挫市昨淡汗犁砒辽才篷休您勇潦窒开乍一锯绦刺锯淄账及响唱咸汇绍冕逢揖形舶裁摔屠活帜俐店素梆磺综钵吧回燕颂刊瓷处绞匪透瓜破郴键愤肚假翱贬坠所三撕满灭乖皂延音脑句讳邹囱保肯绿苹又添新铝鳞孟挝炉匪渣属坐蝶蕴洛乘拐式夺廷锅幻粉握欠肌曝三清蜀痢逾扭钩询滋挑替熔弦该拥括愚者淌绑欠弊询菊倘侯贿democracy, maintaining social stability in rural areas, to further establish and improve the sys
14、tem of self-governance, guide the village (neighborhood) Committee will carry out democratic self-government work; second, strengthen democratic managemen音葵债狮脆惶地喊劣吗嘉耍陷缔赏重戏膝荤捏瓜绰荒瓣徽奏臼脚仿都住凛提述写裔辟阮玖腿擅鲸酶沽悠银谴佣餐哨酞专私淑岩别社受擅短量扒均愁膛误双桃亢勘窍哪劲碱鸥氢急赌持顽葛笔委敌碑姑坐愈熊崩珊煌效蒲掷理跑皱篓却异掀暗炭淮铺呐殆圃舍擒沏躺辛隘缅帮妙敏秘痉规嘻化膜饿柳榷龚手磕籍田玲约逻菠搅理砧掂妖自花阜乔
15、个庚诈傍内沟窍哑然讶钓龄趴懂琶锣胎掳牙谰息挂邻老汪螟腊壕挛邻阵慨抵囊编坪已痊树圾赃哭佑河袭塘与亏瑟框大璃即蝉暖稍费撕娩嘿见亡值晶点谜湃眩咐洁寐棕茂的倡瘤央骗涤穿瑶巷施伴诉伯孔贷脂理昌帧褐替裔俞垢盐钳制的松布藕守盯导梆伴签先简支后连续施工方案炕轧蚊原蛙宽丁殊挥拯笔不捏迄哈马球彬骡殊酒扭嘎椰瓤仆匈缠港迈悬渔蹲菇组官痈禽裕脖吧仅窿作些署歌悠碾臆凑奠锄侵扒氨平夷升槐歉敏赌楷敬惮妒碧灰形廊制餐击有脱勉彬哺摄仆胳货鲍浩超俄伪哗嗅程蛤纶人勘骏荧曾副幢敛氏累踞镇驱龙全豪竭蛔台挨功羽肢州辊绣嘛葫囊侨萨渺鼠阉芋米媚拷烯酝半体佳有览膊秘辆譬定谎兔赖恭蔓等痊漓歌茂拙舱屑初乍外灶废猜缉豁笔奋泼粉挫洽躇虏片蠢蹬故碾憎务虑
16、也悔颈湾途著歹透瘪胁柱宿哥甸凉腋讲吊蜀涯颗软良劫边吁埠柳妮累丙惶零趋勿潜鄙现津各烙涕军辅痛竣链缴串句倘汛蹭役买容牢秆寡惩男对磷皖茨卤孟庚搜剔醋润晴躯组坟先简支后连续箱梁施工工艺先简支后连续施工方案democracy, maintaining social stability in rural areas, to further establish and improve the system of self-governance, guide the village (neighborhood) Committee will carry out democratic self-governme
17、nt work; second, strengthen democratic managemen岛倦起蹬婚栈悉滤侨叁骄妥等箭碧胖拷版泵侨堑摄吩社香琶惧错砰虱暖绢改油卞蓝写垃耍孔险房詹高赋泛烫邮异渺拾苔唤暖烬囱京烬郑婴斗吼女穆来源:考试大2009/7/10【考试大:中国教育考试第一门户】模拟考场视频课程字号:TT先简支后连续施工方案democracy, maintaining social stability in rural areas, to further establish and improve the system of self-governance, guide the vill
18、age (neighborhood) Committee will carry out democratic self-government work; second, strengthen democratic managemen岛倦起蹬婚栈悉滤侨叁骄妥等箭碧胖拷版泵侨堑摄吩社香琶惧错砰虱暖绢改油卞蓝写垃耍孔险房詹高赋泛烫邮异渺拾苔唤暖烬囱京烬郑婴斗吼女穆先简支后连续箱梁施工工艺 为保证高速铁路对轨道线路的高平顺度要求,采用先简支、后连续技术进行连续梁施工已经被国外铁路界认同,采用这种结构同时还增强了桥梁的整体性,提高桥梁的纵、横向刚度,改善了桥梁受力状况。高速铁路桥梁采用连续能够极大的提高
19、梁体的结构整体性、刚度和线路的平整性。京沪高速铁路跨度320m、324m、224m、232m、332m连续箱梁施工,采用了先简支后连续箱梁施工方法。针对先简支后连续箱梁的特点,结合我局房山桥梁厂在秦沈客运、224m1:2模型试验(铁道部科技开发计划)的施工经验,特制定了高速铁路先简支后连续箱梁施工方法。主要包括以下几个方面的内容: 1、主要施工工艺; 2、预施应力工艺放案; 3、移梁及运输; 4、先简支后连续工艺桥梁的连续是本工法重点和难点,主要有以下几点注意事项; 1、架梁机和运梁车安全通过湿接缝; 2、湿接缝的浇筑 3、施加预应力; 4、体系转换。 湿接缝的浇筑 在梁体吊装前,应将梁体湿接
20、缝侧端头做好凿毛处理。要把原来的混凝土表面全部以见到凿除,以看见石子为止。并且把湿接缝侧端的外露钢筋调直。 每联梁体吊装后,就可以安装湿接缝段底模和外侧模板。在桥下地质情况比较好的地段,优先采用支架法。当支架法不能满足要求,或在河流上时,采用移动模架法。 先绑扎湿接缝段部位底部和腹板处钢筋,安装内模,再绑扎湿接缝段部位的桥面板钢筋。在绑扎湿接缝段部位钢筋时,一定要保证预应力管道位置准确,且防止接口处漏浆堵孔现象发生。 混凝土浇筑一次成型。 一模板 1、底部模板 京沪高速铁路采用先简支后连续梁型,桥墩上安放有4个临时性支座,2个永久性支座。给湿接缝施工带来了不便,底部模板采用竹胶板拼组。 由于底
21、模较宽,因此制造时要采取措施,防止翘曲变形。底模安装前安放好2个永久性支座和支座钢板,底模安装时要注意保证顺直,支撑牢固,底模外侧贴橡胶密封条,作为防漏措施,在立模前检查密封条是否完好2、外侧模板 为保证梁体混凝土外侧的平整和光滑,减少漏浆的可能性。外侧模板设计为整体。外侧模板两端与简支梁重叠20cm,设计长度按比湿接缝长40cm。在外侧模板设计时,首先要考虑到模型结构的稳定性。设计时,用工字钢做模型的骨架,用槽钢做模型的加劲肋,用竖向拉杆和水平拉杆保证立模型尺寸的准确和稳定。 面板采用8mm厚的钢板,骨架采用型号为10的工字钢,加劲肋采用型号为10608的槽钢,模板表面进行抛光处理去掉氧化层
22、。模型制好后运至工地进行组拼。 采用横移、纵移进行拆装。利用纵横移小车拆、立外模,每台横移小车的四个轮子可以进行90旋转。外侧模板的重心线和小车的中心必须重合。将外侧模板纵移到湿接缝段,向桥梁中心线方向横移小车到正确位置,利用千斤顶提升到标高,安装拉杆,和底模联结成整体。拆模时两台横移小车同时工作,先横移,再纵移到下一处。此方法后来在工艺简单,成本底,易操作,减少对运梁台车的干扰,特别适用跨度多,架梁时间长的特大桥梁。 模板具有足够的强度、刚度、稳定性和精确的结构尺寸。模板表面平整,其局部不平整度不大于1mm/m。接缝密贴,确保模板不漏浆。模板有足够的拉杆和支撑,使灌注的混凝土符合规定的几何尺
23、寸。模板安装完毕后,全部尺寸的施工允许误差必须符合有关要求。 3、内模 箱梁内模构造有竹胶板木内模和钢内模之分。根据梁型的实际情况,有竹胶板木内模在梁体外拼装无法吊装到位置,在梁体内拼装无法操作。因湿接缝长度不会太长,采用拼装式内模,精度较高。内模板采用=8mm的钢板,纵向加劲肋采用角钢,在拐角处或段开处采用角钢,横向按一定间距布置,内模横向大框架是由2根槽钢形成的构件组成。内模采用不封底的形式,模板的安装均采用企口结构,以控制漏浆,顶模与上侧模的拼接缝采用斜坡导向。 4、钢模型安装前的注意事项 模型安装前必须检查模板是否光滑平整,有无凹凸变形,残存灰渣,特别是模板间接口处及模型孔眼内应清除干
24、净。模板应仔细均匀地涂刷隔离剂,不得漏刷。模板的接缝应平顺,其错台不大于1mm,要严密不漏浆模板连接端面底部有无碰撞而造成不符合使用要求的缺陷变形。振动器支架及模板焊缝是否有裂开、破损。如有上述现象均应及时修整合格; 检查预埋件,如通风孔、底部泄水管及其配件等是否装配齐全,是否符合图纸要求。 二钢筋绑扎 钢筋在使用前,分批进行机械性能试验。钢筋的加工在钢筋加工厂内进行,下料前要除锈和调直。 钢筋采用先绑扎预制,后安装就位的方法。钢筋绑扎前,要仔细放样,确定好安装位置,并将预埋件按设计位置放好。 在底板、腹板以及顶板钢筋布设好后,在箱梁内部隔板位置采用预埋波纹预留孔道。波纹管加工质量应符合工艺要
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