CRTS+I+无砟轨道施工时常见缺失与注意事项

1、CRTS+I+无砟轨道施工时常见缺失与注意事项1 CRTS+I+无砟轨道施工时常见缺失与注意事项2 Basic concept must keep in mindBasic concept must keep in mind 必须常记在心的基本观念必须常记在心的基本观念 Accuracy / Tolerance Accuracy / Tolerance requirement: mm evenmmrequirement: mm evenmm 施工精度与误差要求：毫米甚至毫米以下，施工精度与误差要求：毫米甚至毫米以下， 失之毫厘差之千里失之毫厘差之千里 2. Working and inspec

2、ting in details2. Working and inspecting in details 细化施工工艺与检查：多检查并及时整改才能少细化施工工艺与检查：多检查并及时整改才能少 返工。魔鬼藏在细节里返工。魔鬼藏在细节里 Standardized construction proceduresStandardized construction procedures 标准化施工工序：谋定而后动，一次到位标准化施工工序：谋定而后动，一次到位 一步错全盘皆输一步错全盘皆输 CRTS+I+无砟轨道施工时常见缺失与注意事项3 Protection on CPIII Bench marksPro

3、tection on CPIII Bench marks CPIII CPIII 网控制点的保护网控制点的保护 No protection cap applied No protection cap applied and Mortar clued onto bolt and Mortar clued onto bolt threadthread 预埋的预埋的CPIII CPIII 螺栓孔未加螺栓孔未加 防护盖防护盖, ,水泥砂浆粘附孔水泥砂浆粘附孔 内螺纹内螺纹 CRTS+I+无砟轨道施工时常见缺失与注意事项4 Protection on CPIII Bench marksProtectio

4、n on CPIII Bench marks CPIII CPIII 网控制点的保护网控制点的保护 No clearance between CPIII No clearance between CPIII pole and backfilling layerpole and backfilling layer CPIII CPIII 控制点立柱与路基回控制点立柱与路基回 填材料之间填材料之间, ,未保持净空未保持净空 CRTS+I+无砟轨道施工时常见缺失与注意事项5 Protection on CPIII Bench marksProtection on CPIII Bench marks

5、CPIII CPIII 网控制点的保护网控制点的保护 Scratch found on Scratch found on the CPIIIthe CPIII polepole CPIII CPIII 控制点立柱表面存控制点立柱表面存 在碰撞痕迹在碰撞痕迹 CRTS+I+无砟轨道施工时常见缺失与注意事项6 Protection on CPIII Bench marksProtection on CPIII Bench marks CPIII CPIII 网控制点的保护网控制点的保护 Out forcingOut forcing on on the the CPIIICPIII pole pol

6、e 施加外力在施加外力在CPIII CPIII 控制控制 点立柱上点立柱上 CRTS+I+无砟轨道施工时常见缺失与注意事项7 Preparation and takeover the Deck furniturePreparation and takeover the Deck furniture 桥面系附属构件的准备与移交工作桥面系附属构件的准备与移交工作 Uncleaned formwork plugs on the derailing wall Uncleaned formwork plugs on the derailing wall footingfooting 防撞墙墙脚防止漏浆的

7、木塞没有清除干净，墙防撞墙墙脚防止漏浆的木塞没有清除干净，墙 脚呈现烂根情形脚呈现烂根情形 Uncleaned Uncleaned variousvarious concrete leaked from the concrete leaked from the derailing wall footingderailing wall footing 防撞墙墙脚漏浆的废渣没有清除干净，墙脚呈防撞墙墙脚漏浆的废渣没有清除干净，墙脚呈 现烂根情形现烂根情形 CRTS+I+无砟轨道施工时常见缺失与注意事项8 Preparation and takeover the Deck furniturePrep

8、aration and takeover the Deck furniture 桥面系附属构件的准备与移交工作桥面系附属构件的准备与移交工作 OCS foundation was OCS foundation was cast in two piecescast in two pieces 接触网基础被分割为接触网基础被分割为 两次浇筑，非一体成两次浇筑，非一体成 型浇筑型浇筑 CRTS+I+无砟轨道施工时常见缺失与注意事项9 Preparation and takeover the Deck furniturePreparation and takeover the Deck furnitu

9、re 桥面系附属构件的准备与移交工作桥面系附属构件的准备与移交工作 Expansion joint seams Expansion joint seams of precast parapet were of precast parapet were not match to the inner not match to the inner wall of CIS parapetwall of CIS parapet， then the joint seams then the joint seams broken due to lack of broken due to lack of fr

10、ee space for the girder free space for the girder deflectiondeflection 现浇现浇A A墙的变形缝与墙的变形缝与 预制遮板的变形缝未预制遮板的变形缝未 对齐，造成对齐，造成A A墙与遮墙与遮 板伸缩空间被束缚固板伸缩空间被束缚固 定，因梁体挠度变化定，因梁体挠度变化 使得墙顶互相挤压而使得墙顶互相挤压而 破损，此情况在列车破损，此情况在列车 运行后，所有的遮板运行后，所有的遮板 变形缝的破损将无一变形缝的破损将无一 幸免幸免 CRTS+I+无砟轨道施工时常见缺失与注意事项10 Multi construction proper

11、ties arrangementMulti construction properties arrangement 同一施工作业面多种作业项目与工序的安排同一施工作业面多种作业项目与工序的安排 Precast concrete fence Precast concrete fence installation also ongoinginstallation also ongoing 预制混凝土栅栏也在安装预制混凝土栅栏也在安装 Unfinished concrete foundation Unfinished concrete foundation of Electricity poleof

12、 Electricity pole 接触网基础尚未完成接触网基础尚未完成 Wooden sleepers installed for Wooden sleepers installed for track way of Gantry Crane track way of Gantry Crane 龙门吊行走钢轨的枕木已安龙门吊行走钢轨的枕木已安 装到位装到位 Temporary electricity cableTemporary electricity cable 临时用电的电缆线不规范临时用电的电缆线不规范 CRTS+I+无砟轨道施工时常见缺失与注意事项11 Roughness treat

13、ment on Bridge deckRoughness treatment on Bridge deck 桥面的凿毛工作桥面的凿毛工作 Chipping the bridge deck by pneumatic pick, Chipping the bridge deck by pneumatic pick, chipping proportion less than specified 75%chipping proportion less than specified 75% 使用风镐凿毛，凿毛面积未达使用风镐凿毛，凿毛面积未达75%75%的规定的规定 Chipping the brid

14、ge deck by concrete scrubber, Chipping the bridge deck by concrete scrubber, but done in wrong methodologybut done in wrong methodology 使用凿毛机凿毛，但方法错误使得使用凿毛机凿毛，但方法错误使得梁面形梁面形 成犹如钻掘产生的孔洞成犹如钻掘产生的孔洞 CRTS+I+无砟轨道施工时常见缺失与注意事项12 Roughness treatment on Bridge deckRoughness treatment on Bridge deck 桥面的凿毛工作桥面的凿

15、毛工作 Roughness treatment Roughness treatment applied on the applied on the waterproofing areawaterproofing area 设计上需要铺设防水层设计上需要铺设防水层 的位置也进行了凿毛的位置也进行了凿毛 CRTS+I+无砟轨道施工时常见缺失与注意事项13 Roughness treatment on Bridge deckRoughness treatment on Bridge deck 桥面的凿毛工作桥面的凿毛工作 Uncleaned waste Uncleaned waste hardene

16、d hardened concrete after roughness concrete after roughness treatmenttreatment 桥面上浇置桥面上浇置ABAB墙时遗留硬墙时遗留硬 固的混凝土残渣未清理干固的混凝土残渣未清理干 净，直接在残渣上凿毛净，直接在残渣上凿毛 CRTS+I+无砟轨道施工时常见缺失与注意事项14 Tool rail and steel frameTool rail and steel frame 轨排框架与工具轨轨排框架与工具轨 No timber installed between No timber installed between t

17、ool rail and steel frame during tool rail and steel frame during stockpilingstockpiling 轨排框架采硬碰硬的直接堆轨排框架采硬碰硬的直接堆 叠在工具轨的轨面上，未使叠在工具轨的轨面上，未使 用方木隔离用方木隔离 CRTS+I+无砟轨道施工时常见缺失与注意事项15 Tool rail and steel frameTool rail and steel frame 轨排框架与工具轨轨排框架与工具轨 Deformation and disfeatured Deformation and disfeatured t

18、ool railtool rail 工具轨损伤与变形工具轨损伤与变形 CRTS+I+无砟轨道施工时常见缺失与注意事项16 Expansion joint seal and steel channel installationExpansion joint seal and steel channel installation 伸缩缝耐候型钢与橡胶密封带的安装伸缩缝耐候型钢与橡胶密封带的安装 Exposure of the steel channel causing the gap Exposure of the steel channel causing the gap distance di

19、fferent from concrete base layerdistance different from concrete base layer 伸缩缝耐候型钢突出，伸缩缝耐候型钢间隙与伸缩缝耐候型钢突出，伸缩缝耐候型钢间隙与 底座板间隙不同底座板间隙不同 DesignedDesigned gap distance of the expansion joint and gap distance of the expansion joint and concrete base layerconcrete base layer 设计伸缩缝耐候型钢与底座板为同一平面，并设计伸缩缝耐候型钢与底座

20、板为同一平面，并 无任何突出或错位无任何突出或错位 CRTS+I+无砟轨道施工时常见缺失与注意事项17 Expansion joint and steel channel installationExpansion joint and steel channel installation 伸缩缝耐候型钢与橡胶密封带的安装伸缩缝耐候型钢与橡胶密封带的安装 Pre-installed expansion joint Pre-installed expansion joint seal collecting waste materials seal collecting waste material

21、s on it and difficult to cleanon it and difficult to clean 预先安装的伸缩缝橡胶密封预先安装的伸缩缝橡胶密封 带在施工过程中会有各种废带在施工过程中会有各种废 渣堆集，日久后难以清理渣堆集，日久后难以清理 Uneven cast concrete partition Uneven cast concrete partition wall of the electricity channel wall of the electricity channel intruding or away from intruding or away f

22、rom expansion jointexpansion joint 桥面电缆槽及桥面电缆槽及ABAB墙，部分安墙，部分安 坐在伸缩缝橡胶密封带上，坐在伸缩缝橡胶密封带上， 部分未将耐候型钢嵌入部分未将耐候型钢嵌入 CRTS+I+无砟轨道施工时常见缺失与注意事项18 Expansion joint and steel channel installationExpansion joint and steel channel installation 伸缩缝耐候型钢与橡胶密封带的安装伸缩缝耐候型钢与橡胶密封带的安装 Unbalanced tensile forcing on the expans

23、ion joint Unbalanced tensile forcing on the expansion joint seal and causing deformationseal and causing deformation 伸缩缝耐候型钢安装不对称，伸缩缝间隙未考伸缩缝耐候型钢安装不对称，伸缩缝间隙未考 虑安装橡胶密封带时的环境温度与橡胶密封带虑安装橡胶密封带时的环境温度与橡胶密封带 的尺寸匹配，橡胶密封带扭曲变形的尺寸匹配，橡胶密封带扭曲变形 Design requirement of the expansion seal Design requirement of the exp

24、ansion seal installationinstallation 设计要求的伸缩缝橡胶密封带安装规定设计要求的伸缩缝橡胶密封带安装规定 CRTS+I+无砟轨道施工时常见缺失与注意事项19 Expansion joint and steel channel installationExpansion joint and steel channel installation 伸缩缝耐候型钢与橡胶密封带的安装伸缩缝耐候型钢与橡胶密封带的安装 Incompletely inserted expansion Incompletely inserted expansion joint sealjo

25、int seal 伸缩缝橡胶密封的嵌条，未伸缩缝橡胶密封的嵌条，未 完全嵌入耐候型钢的卡槽内完全嵌入耐候型钢的卡槽内 CRTS+I+无砟轨道施工时常见缺失与注意事项20 Geotextile installation of Track slab constructionGeotextile installation of Track slab construction 无砟轨道轨道板施工无砟轨道轨道板施工- -土工布隔离层安装土工布隔离层安装 Late removed fixing nailLate removed fixing nail 串钉拔除时机太晚串钉拔除时机太晚 CRTS+I+无砟轨

26、道施工时常见缺失与注意事项21 Rebar installation of Track slab constructionRebar installation of Track slab construction 无砟轨道轨道板施工无砟轨道轨道板施工- -钢筋安装钢筋安装 Lack accurate of fabrication angle Lack accurate of fabrication angle and sizes and sizes 钢筋的裁切尺寸与加工弯折角钢筋的裁切尺寸与加工弯折角 度的精度不良度的精度不良 CRTS+I+无砟轨道施工时常见缺失与注意事项22 Rebar i

27、nstallation of Track slab constructionRebar installation of Track slab construction 无砟轨道轨道板施工无砟轨道轨道板施工- -钢筋安装钢筋安装 Defective insulationDefective insulation 绝缘不良绝缘不良 CRTS+I+无砟轨道施工时常见缺失与注意事项23 Rebar installation of Track slab constructionRebar installation of Track slab construction 无砟轨道轨道板施工无砟轨道轨道板施工-

28、 -钢筋安装钢筋安装 Lack of concrete coverLack of concrete cover 混凝土保护层不足混凝土保护层不足 CRTS+I+无砟轨道施工时常见缺失与注意事项24 Concrete curing of Track slab constructionConcrete curing of Track slab construction 无砟轨道轨道板施工无砟轨道轨道板施工- -混凝土养护混凝土养护 Lack of continue moisteningLack of continue moistening 未保持混凝土湿润的连续性未保持混凝土湿润的连续性 CRTS

29、+I+无砟轨道施工时常见缺失与注意事项25 Suggestion of construction optimizationSuggestion of construction optimization 施工优化的建议施工优化的建议-CPIII-CPIII网控制点管理网控制点管理 Carry out full inspection on the CPIII marks and record the surface conditions just Carry out full inspection on the CPIII marks and record the surface conditio

30、ns just prior to the CPIII network surveyprior to the CPIII network survey。 CPIIICPIII网定位测量前，对所有的网定位测量前，对所有的CPIIICPIII控制点所在的基座和立柱结构进行控制点所在的基座和立柱结构进行 全面盘查，并详实记录表面可见的损伤尺寸、位置与发现日期。全面盘查，并详实记录表面可见的损伤尺寸、位置与发现日期。 Marking or labeling the existing defects on the CPIII marks at Marking or labeling the existin

31、g defects on the CPIII marks at ite. 对所有已发现的对所有已发现的CPIIICPIII控制点基座和立柱结构表面的既有伤痕进行现场标控制点基座和立柱结构表面的既有伤痕进行现场标 示并标注日期。示并标注日期。 Check all the CPIII marks and re-survey the CPIII network if there is any new Check all the CPIII marks and re-survey the CPIII network if there is any new damaged mar

32、ks occurred on the CPIII poles. damaged marks occurred on the CPIII poles. Do not use the new damaged CPIII Do not use the new damaged CPIII marks prior to re-survey work done.marks prior to re-survey work done. 每日的施工巡检与进行测量放样工作时必须同时检视每日的施工巡检与进行测量放样工作时必须同时检视CPIIICPIII控制点所在的控制点所在的 基座和立柱结构的表面，若发现新的伤痕，

33、立即汇报并通知测量专基座和立柱结构的表面，若发现新的伤痕，立即汇报并通知测量专 员对该员对该CPIIICPIII控制点进行重新定位复测。在复测完成重新定位之前该控制点进行重新定位复测。在复测完成重新定位之前该 点位旧有的点位旧有的CPIIICPIII座标与高程数据不得引用。座标与高程数据不得引用。 CRTS+I+无砟轨道施工时常见缺失与注意事项26 Suggestion of construction optimizationSuggestion of construction optimization 施工优化的建议施工优化的建议- -桥面板凿毛时的防尘桥面板凿毛时的防尘 Install c

34、over and Install cover and vacuum on the vacuum on the concrete scrubber to concrete scrubber to prevent dust prevent dust pollutionpollution 安装防护罩及吸尘安装防护罩及吸尘 机在凿毛机上，及机在凿毛机上，及 时将凿毛时的尘土时将凿毛时的尘土 收集在吸尘机的集收集在吸尘机的集 尘袋内，防止凿毛尘袋内，防止凿毛 时的尘土飞扬时的尘土飞扬 CRTS+I+无砟轨道施工时常见缺失与注意事项27 Suggestion of construction optimiz

35、ationSuggestion of construction optimization 施工优化的建议施工优化的建议- -底座板施工底座板施工 Water stop wall 挡水台 Starter bar for Water stop wall 挡水台预留筋 Starter steel groove for Expansion joint seal 伸缩缝橡胶带耐候型钢 Install starter bar near Install starter bar near expansion joint end of the expansion joint end of the concret

36、e base layer to prevent concrete base layer to prevent crack occurred at the joint crack occurred at the joint between the base concrete between the base concrete layer and water stop walllayer and water stop wall 底座板施工时在梁端伸缩缝底座板施工时在梁端伸缩缝 处的左右两侧安装挡水台的处的左右两侧安装挡水台的 接茬筋，避免未来因列车行接茬筋，避免未来因列车行 走时的震动与温差，造成

37、底走时的震动与温差，造成底 座板与挡水台接缝处的开裂座板与挡水台接缝处的开裂 CRTS+I+无砟轨道施工时常见缺失与注意事项 2828 Suggestion of construction optimizationSuggestion of construction optimization 施工优化的建议施工优化的建议- -轨道板钢筋问题轨道板钢筋问题 DesignedDesigned upper layer and upper layer and lower layer rebar were in lower layer rebar were in same size and length

38、, the same size and length, the hooks joint together became hooks joint together became complicated at plicated at corner. It It causing different concrete causing different concrete cover on side and the rebar cover on side and the rebar cage will not be quadrated cage will not be quadrated shape.

39、Especially 4 hooks shape. Especially 4 hooks fixed at corners.fixed at corners. 原设计钢筋笼上下层钢筋原设计钢筋笼上下层钢筋 长度相同，因此在轨道板长度相同，因此在轨道板 四周的立面弯钩都会出现四周的立面弯钩都会出现 互相干扰，特别是四个角互相干扰，特别是四个角 落钢筋弯钩的绑扎变得极落钢筋弯钩的绑扎变得极 其复杂，造成同一根钢筋其复杂，造成同一根钢筋 有不同的保护层的现象；有不同的保护层的现象； 且钢筋笼整体无法形成方且钢筋笼整体无法形成方 正的主体正的主体 CRTS+I+无砟轨道施工时常见缺失与注意事项29 S

40、uggestion of construction optimizationSuggestion of construction optimization 施工优化的建议施工优化的建议- -轨道板钢筋调整方案轨道板钢筋调整方案-1 -1 Modify all the rebar to two different Modify all the rebar to two different lengths as upper layer rebar longer lengths as upper layer rebar longer than lower layer than lower layer

41、 统一将钢筋笼上下层钢筋长度调统一将钢筋笼上下层钢筋长度调 整成上层筋较下层筋长，以上包整成上层筋较下层筋长，以上包 下的形式形成箍下的形式形成箍 Plan viewPlan view 平面效果模拟平面效果模拟 Vertical viewVertical view 立面效果模拟立面效果模拟 3D view3D view 立体效果模拟立体效果模拟 Longitudinal bar Longitudinal bar 纵向钢筋纵向钢筋 HorizontalHorizontal bar bar 横向钢筋横向钢筋 CRTS+I+无砟轨道施工时常见缺失与注意事项30 Suggestion of construction optimizationSuggestion of construction optimization 施工优化的建议施工优化的建议- -轨道板钢筋调整方案轨道板钢筋调整方案-2 -2 Combine the upper and Combine the upper and lower layer horizontal lower layer horizontal bar to be closed stirrup bar to be closed stirrup i