Precautions on common defects of CRTS-I Non-Ballasted track construction 成渝客运专线监理三标 CRTS I 型双块式无砟轨道 施工常见缺失与注意事项 1 建筑精选课件 Basic concept must keep in mind必须常记在心的基本观念 Accuracy / Tolerance requirement: mm even<mm 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 3. 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返工。魔鬼藏在细节里 Standardized construction procedures 标准化施工工序:谋定而后动,一次到位 一步错全盘皆输 2 建筑精选课件 Protection on CPIII Bench marksCPIII 网控制点的保护 No protection cap applied and Mortar clued onto bolt thread 预埋的CPIII 螺栓孔未加防护盖,水泥砂浆粘附孔内螺纹 3 建筑精选课件 Protection on CPIII Bench marksCPIII 网控制点的保护 No clearance between CPIII pole and backfilling layer CPIII 控制点立柱与路基回填材料之间,未保持净空 4 建筑精选课件 Protection on CPIII Bench marksCPIII 网控制点的保护 Scratch found on the CPIII pole CPIII 控制点立柱表面存在碰撞痕迹 5 建筑精选课件 Protection on CPIII Bench marksCPIII 网控制点的保护 Out forcing on the CPIII pole 施加外力在CPIII 控制点立柱上 6 建筑精选课件 Preparation and takeover the Deck furniture桥面系附属构件的准备与移交工作 Uncleaned formwork plugs on the derailing wall footing 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 Uncleaned various concrete leaked from the derailing wall footing 防撞墙墙脚漏浆的废渣没有清除干净,墙脚呈现烂根情形 7 建筑精选课件 Preparation and takeover the Deck furniture桥面系附属构件的准备与移交工作 OCS foundation was cast in two pieces 接触网基础被分割为两次浇筑,非一体成型浇筑 8 建筑精选课件 Preparation and takeover the Deck furniture桥面系附属构件的准备与移交工作 Expansion joint seams of precast parapet were not match to the inner wall of CIS parapet,then the joint seams broken due to lack of free space for the girder deflection 现浇A墙的伸缩缝与预制遮板的伸缩缝未对齐,因梁体挠度变化造成A墙与遮板无伸缩空间而积压破损 9 建筑精选课件 Multi construction properties arrangement同一施工作业面多种作业项目与工序的安排 Precast concrete fence installation also ongoing 预制混凝土栅栏也在安装 Unfinished concrete foundation of Electricity pole 接触网基础尚未完成 Wooden sleepers installed for track way of Gantry Crane 龙门吊行走钢轨的枕木已安装到位 Temporary electricity cable 临时用电的电缆线不规范 10 建筑精选课件