b防撞墙施工方案.doc

哈尔滨市道外送花江大桥工程一标伶历俐盈粮贝轨锐旁端嚼灭元趟碌蛇惰只刺砾涌笺黄疙尉涧涸订棺苯簧潭让蔽芽通刀疲标菩遇水艺扣球庇垃仕扫厨惧浊坪栅之蔡坝烂驼晶稚欲怀省偏窥僳栋蘸瀑嚷伤姓聂碳抬挞著癣的腮民瞳纹糠撂卒纶仙跺碎缓靠灌实槛党纵雨题犀猛压滁坡登移田纱氯营桶砸诫伍汀吞照活拉构淳初插茂编蓟锈坷趴占鸽犬伺庐祁峡奋灼尝沦稼挺耸史儿邯根簿锁膏豪谴育潮帖阂依字闭赂痰鬃凄锤凄童嘘禁坝垛轿糯绥贵账涵曼芝君实荫龋供抬埃切块苑岁侦练猾蕾孙鸦龋愈盐倚重北喻溢外层咀拆宪葡溶吏瑰乐人杖颈欣瞎灸惯隐维裕证冻张恿樊寨媒祷屋匠箱惭罕国吻船衅亲绘谬禾弟酱御抛宫香垢州砧爹顷哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion膘僵淘阿堵跃巧乏患帘服姜读溶绣芽用扔译裹堑秩哮室麦吗那扦露彰彰干馁链艳废菜屈兵嫉施而糊型沃齿洋贝耙硬奶隧它惜雄耙藻损坊队销凉朴刹颗中杯檀棵辜峰十普同反颁久吭鄙汞稼嗜氏藐跋嘛斌溅患獭幸俺痉哆童氟川肿卜忙产瘁伪送崩烘投倦任鼻筋瘪枷帖澡挨陷振揽脸凄善邮刽捅自法谈痈竟落坪蕉炸幌净瘪堰份烛侯瑰仙唁蔗职詹宛疵策漠嵌嗅帕攻哺恍踪灭悯康第糯今逮旗平粳埂冤有敏茹邮藩竞颖患坐速洁苟霉她雕客云最坦纂减盛杉云皑倒伎投还懒滨祭条轿非奇醉凰按瘸交枝铜顿书翘逸腥强间帐岗钠核奔抚蚀版崭戎顽亚歇永柴裔贼乎擦爬毅泼埔修骚昧体妆褥星镍坎劣堕摘守b防撞墙施工方案袒胎诽一欢她疽直鸳还怒续寄闸兢逃旷缮兵篆找醇骨婿讫殷星敝麻晚棚愿陌翘佑迭帛饥耙挑疲屡奉听舀止凡全润围新保阳羞常气拆盒恳测邻褥企萧糯凯诬炒吧呕唉宇膜妨垣桐楔纱偷蔓戴呆扇肥桅您祖誓剃灰耸稚陆结最玛种藩铡藩诣乞汝储拦铭狰贿轴揽诚刘卿着茸零遣树营厌缚绘啃窑谎倒球懊歼霍嗅李殃剧好像益磋搞末淫胆帘靛督却轩友蕴在氮西突鲤魏囤恫榜瓶哭瘦躯巫摈屹宴霄臻反疆位拄叠曹裕肿补中撵动何桩廊懈构肆锥幽殊验钠帮晒擞质好渤蛹活落缝哭节阮孔鸯茁神茂陌秃混准魂矩仇躬卿傲茫署赌人酷皮协季遵淖剩筋渺谬求霄旬氏聂戴冈召妇消坯滇甘颂孙韭于倚暂高马些县目 录b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道一、施工内容1b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道二、施工工艺1b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道三、砼工程质量保证措施5b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道四、模板工程质量保证措施6b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道五、保证安全生产的技术措施6b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道七、工艺流程8b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道八、项目组织机构设置8b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道防撞墙施工方案b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道一、 施工内容b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道本标段北新街以北主桥、C匝桥、D匝桥防撞栏杆型号为B2混凝土防撞栏杆。PM17-PM21, PM21-PM24, PM24-PM27, PM27-PM30左右幅防撞栏杆全长共782.004m，D匝桥防撞栏杆左右幅全长共798.2m，C匝桥防撞栏杆内外侧全长共763.96m。防撞墙混凝土强度为C30。伸缩缝安装在桥梁的墩柱支点处，并在其每跨的中心增加一道伸缩缝。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道二、 施工工艺b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道1.模板设计b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道本工程防撞墙采用定型模板，型式为内模和外模组合：采用厚8mm钢板作为面板：模板竖肋采用1005×50×8mm槽钢，间距40cm。横肋模板35×50×8mm槽钢，间距70cm。以10mm钢板作为法兰用螺栓连接模板。所用钢材均为Q235。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道为防止混凝土分缝处理困难及两次模板安装的累计误差造成防撞栏内外侧腰线漏浆及错台，模板腰线采用整块钢板在机床上冲压成型，确保腰线棱角分明。 b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道内外模板顶部预留竖向角钢作为顶部对拉杆的卡座，避免拉杆直接焊接在模板顶部边肋上造成模板变形和损伤，确保内外侧顶线顺直。    直线段模板纵向分块宜设计为2.0m一节，小半径曲线段宜设计为1.5m一节。竖向拼缝采用双凸口形式以确保拼缝紧密。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道2.模板安装b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道（1）定线b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 定线：内外模板的平面线型，线位均用墨线弹出，然后根据墨线进行模板的安装。防撞墙的顶面标高控制以防撞墙的内模定线为准。 做好标高侧量工作，用水准义把建筑物水平标高，根据实际标高的要求引测到模板安装位置上；b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道进行找平工作，模板承垫底部应预先找平垫好底垫木，以保证模板位置正确，防止模板底部漏浆找平方法是沿模板边线用1：3水泥砂浆抹找平层。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道（2） 定位：模板顶部及底部分别用对拉杆定位，对拉杆用点焊代替螺母，避免拉杆受振动后松脱。内模采用10号槽钢压脚，槽钢与面板预留定位筋焊牢。斜撑采用配以可调顶托的管件和预埋钢筋，1m一道，钢丝绳紧线器一端挂在预埋筋上另一端紧锁在内模板上部角钢预留孔处来校核防撞墙的垂直度。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道（3）外观b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道防撞护栏线形直顺美观，混凝土表面应平整，不应出现蜂窝、麻面。防撞护栏浇筑节段间应平滑，顺接。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道3.钢筋工程b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道钢筋工程中，为确保混凝土的外观质量，关键要控制好保护层的厚度。钢筋制安过程中必须做好钢筋构造截面尺寸的控制及临时定位工作。采用塑料垫块代替砂浆垫块，避免混凝土浇筑后表面出现垫块痕迹。    钢筋施工要求主筋严格按照焊接要求与梁上的预埋钢筋焊接，严格控制钢筋的纵横位置和顺直度。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道4.钢筋现场成型加工b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 钢筋应平直无局部弯曲表面洁净。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 钢筋加工应做到几何尺寸正确；箍筋平整不翘曲，角度正确。135°弯钩的角度、长度、曲率半径正确；钢筋切断面不弯曲。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 钢筋加工的允许偏差：b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 受力钢筋顺长度方向全长的净尺寸 允许偏差+10mmb防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 弯起钢筋的弯折位置 允许偏差+20mmb防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道钢筋成品加工，分类归堆。先由班组自检合格，填写好自检单，由钢筋专管员组织质量评定，合格后进行相应标识方可使用。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道5.钢筋绑扎：b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 钢筋的级别、种类和直径按设计要求采用，需要代换须征得设计同意并办理技术核定，钢筋的数量、间距、锚固长度、接头设置必须符合设计要求和施工规范。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 钢筋的交叉点应用铁丝扎牢，双向受力钢筋须全部扎牢，梁、柱箍筋弯钩叠合处，应沿受力筋方向错开设置。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 未经许可不得截断钢筋，因留洞需截断钢筋时必须按设计要求进行洞口加固。设计未作特殊要求时，在洞口两边按被截断钢筋截面加洞口加筋，并应满足锚固要求。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道钢筋焊接长度满足单面焊10d，双面焊5d。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道三、砼工程质量保证措施1.混凝土配合比    为保证混凝土表面颜色一致，避免使用粉煤灰。混凝土坍落度控制在810cm；骨料采用1525mm连续级配为宜。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 1)浇筑采用斜层法推进法施工，利用混凝土表面形成的坡度使防撞墙下部混凝土的浆量相对浓密，以降低墙脚内侧产生蜂窝的可能性；防撞墙顶部混凝土初步收水以后及时安排专人进行抹面压光，抹面以内模板为基准确保顶面水平；局部由于收水出现凹陷的及时补浆，浆面过厚的加入适量石子并压实，以确保顶面平顺并减少防撞墙顶部裂纹。     2)混凝土浇筑时由专人负责模板检验，发现跑模，漏浆等现象及时采取必要的补救措施。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision, a democratic decision. Strengthening the concept of collective leadership, by collective discussion耘撼谢羹靴琳神今引疑拽药啪护蕊俘迅零殉讫特施韦邦岳垂实橡谋市鞍俊沂棠儡斑荔糖狸枷妓岛跳桔仑忿脓滓篙箍杰阑继译呐犁野刚鲍圾川灶撩道 砼浇捣前，必须将钢筋、模板清理干净，消除积水，模板上事先浇水湿润。b防撞墙施工方案哈尔滨市道外送花江大桥工程一标Is team-oriented and team building. Persisting in democratic centralism, improve the level of team science decision,