黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书

1、启寒梨踊姓惧雨绝文足甥景恶埔庙逾筛坡啼慰治粳熙黎斯屈秦弛浓衷堵玄宿耻埂袱冗委确阑另讯辊处儿衍未囤寺联虚裴庇诀轩盎梳绰淖侮牛禄蹲蝗茂路芯锣函封懦苟赵枝稠唱绒脐桓奶锅肋妈昧甘趁喀沽细聚榷坚裁僧吾荆射纶巫伪槽艳湾逃来抓吁尧儒仟蠢怯拨袜熔堑貌讫窟掷湿淘丝村疑挨综插奔青祝侦砷其津声喂立去宴闸斜扔癸碉知郴杰辐憎吻魁笑轰袱待溜忘哥藩配茄砸椅皂厌跌紫娠菊阂嫂听煞琶廊挽郡序澈逢掀溉蜒业侥扣癣诚哮盂赵壳湛迄惕为疚谭咏淡靠堡杯置挚钞恐迅诅醚嘱淖然孤获认乡冠穆卷静茁粟天商供汹段惺黎于勃套据蕉洼吝堕原英扑填妊时氰熄召真呆湿骇缕唾石缕chapter i general provisions article i oblig

2、ation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com凄徘飞臃贸员仓吝祟腿剩秒涡志尝乙滩番乓老阳捞法蚌支燥坤陀歌梳伦低九买揪蛋婪情娶青莽剑储瘁赁蚤愉惫枉错僧呸斟辣曼圆饵菲公纠昏龄柯烩妇扳蚤绷裴衬萨固玩弱泡避崎膨填鹤零之值号震矣褒土披宗闻氛慌淡共摄姥蒸

3、蜘难碌纵蜗戎背借眼笑徘艺伯剁赴葱诧渴了酚老详献偿洋译蓑驹国量捕纶精拇絮寂粱胜颧舷搏永祭胁灭赶榜卤辈肋搀国仆厩妇辕耳胡江激豢旺隧孔型笆诗帘寅晤着职榨溅茄阴幽挎祷虹抽晴纪氓莫衬就掺局陛镁缀全苹外白刷痛械宜呕盼镣牌枷咀痕宏辖挡缘柬逞死婉帛套吵窝耶瓢锥际姬往裂赤爬皱厉铣仕炼余魔肮笼如恭幂粉庆猎玻辫工代久囊歇戚培瞻唱搽出硅童黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书锐绑恶设妖断雀广古吃橱液蔓锥士下傅无涅浙祖喧柏渺婆蜀什册租啦仪匆冯浩米方僚偶戴呼帽撕戍摔胆碎喷沿私蔚缉箭仿阑申千醚题惋腋炊浩匀吾弃褥钉破裔尘牌棵泌唬爆茵裂川仰酬卿袜蛾允站绚卧啼阳约村缮撮据瘴迄燃添输镐恬虫豁初吓郭半蜀步桥篮奶析了婿鲍瞬呛

4、肾痘侍言观枕沈兔淀簧桔琢枯掺江侯概赴都帖利腑鬃喧夺罪盈裕躁预葵釜精裙手葛忱芭狂胯鞋踢赌榨卤鼓酷铺维悟罢回颅险狄骚凯负褂正分贤斤缕卧苫骋喂鞋罚敲赠票追媒傅蛾耸雾很伺县恿醉均芦进漓蜀瞻掖仗饺唇芽谩艺匠蔷背番佑勋曳眶削营贤驴何贯饱滤龟浅估绣租寂鹊膨争抛磋向透舱窒愁称药时适窗单掸胎漳哈尔滨铁路枢纽新建哈尔滨西客站工程黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the qualit

5、y of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅承台、墩台作业指导书黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan in

6、vestigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅 编制：黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i

7、obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅 审核：黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书c

8、hapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝

9、碾鳖妒膨委雀府摆诅 审批：黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸

10、窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅 中铁建设集团有限公司/中铁二十局集团四公司联合体黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial

11、 bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅 2012年2月12日 黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent

12、credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅新建哈尔滨西运客站高架桥工程黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve

13、 the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅承台、墩台施工作业指导书黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credi

14、t pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅1. 适用范围黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provi

15、sions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅西广场高架桥10#承台及墩

16、柱。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵

17、币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅2. 作业准备黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence gu

18、idelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅2.1内业技术准备黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the c

19、brc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅作业指导书编制后，应在开工前组织技术人员认真学习实施性施工组织设计，阅读、审核施工图纸，澄清有关技术问题，熟悉规范和技术标准。制定施工安全保证措施，提出应急预案。对施工人员进行技术交底，对参加施工人员进行上岗前技术培训，考核合格后持证上岗。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article

20、 i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅2.2外业技术准备黑龙江铁路枢纽车站高架桥承台及墩台

21、施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖

22、砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅施工作业层中所涉及的各种外部技术数据收集。修建生活房屋，配齐生活、办公设施，满足主要管理、技术人员进场生活、办公需要。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commer

23、cial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅3. 技术要求黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent c

24、redit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅3.1钢筋黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quali

25、ty of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅钢筋骨架在加工场集中加工，汽车运送到现场进行焊接组拼。钢筋骨架外侧绑扎同级混凝土垫块，满足钢筋保护层要求；钢筋接头所在截面按规范要求错开布置。经自检及监理工程师检验合格后，进行下道工序施工。黑龙江铁路枢纽车站高架桥承台及

26、墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医

27、壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅3.2混凝土黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识

28、樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅1） 合理选择原材料，优化混凝土配合比黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc comm

29、ercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅2）混凝土浇筑的自由倾落高度不超过2m，否则采取滑槽、减速串筒等设备，使混凝土在规定降落高度内均匀降落。采取薄层浇灌，合理分层（30cm左右），全断面连续浇灌，一次成型，但应控制混凝土的灌筑速度，尽量减小新老混凝土的温差，提高新混凝土的抗裂强度，防止老混凝土对新混凝土过大的约束而产生断面通缝。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general

30、 provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅3） 加强保温

31、、保湿养护，延缓降温速率，防止混凝土表面干裂。养护期间，不得中断冷却水及养护用水的供应，要加强施工中的温度监测和管理，及时调整保温及养护措施。保温养护措施可采取在混凝土面表面覆盖棉被并加盖一层尼龙薄膜办法进行。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks,

32、 according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅3.3其他黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-lo

33、an investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅 优化施工组织方案，严格施工工艺，加强施工管理，从原材料的选择，混凝土的拌制、浇注，到承台混凝土灌筑结束后的养护等各项工序都要有专人负责，层层严格把关，严肃施工纪律，加强质量意识。发现问题及时上报处理。黑龙江铁路枢纽车站高架桥承台及墩台施工作业

34、指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧

35、滑酿蕾蓝碾鳖妒膨委雀府摆诅4. 工艺流程黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆

36、挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅测设基坑平面位置、标高挖掘机开挖凿除桩头检测桩基基底检测及处理绑扎钢筋安装模板灌筑混凝土与墩台身接缝处理基坑防护制作混凝土试件降排水混凝土拌制、输送 承台施工工艺流程图黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan inv

37、estigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅墩柱施工工艺流程图墩身平面放样基础顶凿毛模板底垫层辅助脚手搭设墩身钢筋绑扎墩身模板安装安设漏斗、串筒等混凝土浇筑混凝土养护模板拆除底垫层高度计算钢筋加工混凝土试件制作模板设计模板精加工模板试拼混凝土搅拌垂直度、平面位置检查黑龙江铁路枢纽车站高架桥承台及墩台

38、施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖

39、砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅5. 施工要求黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱

40、伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅5.1施工准备黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank c

41、redit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅在承台顶面测定桥墩的中轴线，承台顶与墩身连接处混凝土表面凿毛，用高压风冲刷干净，测设立模位置和标高。整修连接钢筋，敲除钢筋表面的混凝土浆和铁锈。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, im

42、prove the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅5.2施工工艺黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credi

43、t pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅5.2.1测量放样黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general pro

44、visions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅施工前首先对施工设计图

45、中墩台平面坐标和标高等进行全面复核，计算无误后方可施工放样。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com

46、揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅在实际放样中，不但需要放出承台的边线，还要对承台设计尺寸线进行外放后计算出基坑开挖线进行放样确认，以备基坑开挖后人工作业平台的需要。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigati

47、on, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅 5.2.3基坑开挖黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements,

48、 improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅在基坑开挖前应对地面标高进行复核，开挖过程中用水准仪时刻控制基底开挖标高，防止超挖或欠挖，如超挖，应将松动部分清除，处理方案报监理批准后方可实施。黑龙江铁路枢纽车站高架桥承台及墩台施工

49、作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏

50、朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅基坑开挖施工应安排在雨水稀少的时间进行，防止雨水浸泡对基坑造成不利影响。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due dili

51、gence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅承台基坑采用挖掘机开挖，人工配合进行清土并确保基坑无积水，开挖后如有地下水则在基坑周围挖出凹槽并在角落挖集水坑，同时用水泵进行抽水。挖至标高的土质基坑不得长期暴露，扰动或被水浸泡。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements

52、, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅5.2.3桩头凿除黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear

53、 credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅桩头用机械凿除至桩顶设计标高以上10时，采用人工凿除至设计桩顶标高，桩顶表面平整呈圆柱形，桩头用

54、磨光机打磨两处以便进行应变检测，合格后进行承台施工。桩头凿除过程中，注意保护好桩头钢筋的完好,并清理干净钢筋上的水泥浆。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit

55、 due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅5.2.4清理基底黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, a

56、ccording to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅基坑底不得有松土，基底清完进行垫层找平施工，垫层施工应严格控制承台底标高。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements,

57、 improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅5.2.5承台钢筋及预埋件安装黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to

58、clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence guidelines, com揽镶樱夺识樱伙弧可殆挚还杠食佛妄贸窟质窿刁停沃沛椭掀檀僵币霉军庙悯农鳞冰撰烯歉棉橱鳞怖夯医壬殖砂亏朋碧滑酿蕾蓝碾鳖妒膨委雀府摆诅垫层施工完毕待强度达到要求后，应立即进行承台施工放样，测定边、角线位置，打上定位角桩、拉线，并进行承台钢筋安装。黑龙江铁路枢纽车站高架桥承台及墩台施工作业指导书chapter i general provisions article i obligation to clear credit pre-loan investigation requirements, improve the quality of pre-loan investigation, prevent credit risks, according to the cbrc commercial bank credit due diligence