无砟轨道施工时常见缺失与注意事项图文
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Protection on CPIII Bench marks
5
CPIII 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
Protection on CPIII Bench marks
6
CPIII 网控制点的保护
Out forcing on the CPIII pole
轨排框架采硬碰硬的直接堆 叠在工具轨的轨面上,未使
用方木隔离
Tool rail and steel frame
15
轨排框架与工具轨
Deformation and disfeatured tool rail
工具轨损伤与变形
Expansion joint seal and steel channel installation16 伸缩缝耐候型钢与橡胶密封带的安装
使用凿毛机凿毛,但方法错误使得梁面形 成犹如钻掘产生的孔洞
Roughness treatment on Bridge deck
12
桥面的凿毛工作
Roughness treatment applied on the
waterproofing area
设计上需要铺设防水层 的位置也进行了凿毛
Roughness treatment on Bridge deck
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
Preparation and takeover the Deck furniture 9 桥面系附属构件的准备与移交工作
Expansion joint seams of precast parapet
Exposure of the steel channel causing the gap distance different from concrete base layer
11
桥面的凿毛工作
Chipping the bridge deck by pneumatic pick, chipping proportion less than specified 75%
使用风镐凿毛,凿毛面积未达75%的规定
Chipping the bridge deck by concrete scrubber, but done in wrong methodology
返工。魔鬼藏在细节里
3. 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
Protection on CPIII Bench marks
3
CPIII 网控制点的保护
No protection cap applied and Mortar clued onto bolt thread
13
桥面的凿毛工作
Uncleaned waste hardened concrete after roughness treatment
桥面上浇置AB墙时遗留硬 固的混凝土残渣未清理干
净,直接在残渣上凿毛
Tool rail and steel frame
14
轨排框架与工具轨
No timber installed between tool rail and steel frame during stockpiling
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墙的变形缝与 预制遮板的变形缝未 对齐,造成A墙与遮 板伸缩空间被束缚固 定,因梁体挠度变化 使得墙顶互相挤压而 破损,此情况在列车 运行后,所有的遮板 变形缝的破损将无一
龙门吊行走钢轨的枕木已安 装到位
Precast concrete fence installation also ongoing 预制混凝土栅栏也在安装
Temporary electricity cable 临时用电的电缆线不规范
Roughness treatment on Bridge deck
预埋的CPIII 螺栓孔未加 防护盖,水泥砂浆粘附孔
内螺纹
Protection on CPIII Bench marks
4
CPIII 网控制点的保护
wk.baidu.com
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
1
Basic concept must keep in mind
2
必须常记在心的基本观念
1. 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
2. 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
施加外力在CPIII 控制 点立柱上
Preparation and takeover the Deck furniture 7 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
Preparation and takeover the Deck furniture 8 桥面系附属构件的准备与移交工作
幸免
Multi construction properties arrangement 10 同一施工作业面多种作业项目与工序的安排
Unfinished concrete foundation of Electricity pole
接触网基础尚未完成
Wooden sleepers installed for track way of Gantry Crane