CRTSI無砟軌道施工時常見缺失與注意事項課件

1、CRTSI無砟軌道施工時常見缺失與注意事項1CRTSI無砟軌道施工時常見缺失與注意事項2Basic concept must keep in mindBasic concept must keep in mind必須常記在心的基本觀念必須常記在心的基本觀念 Accuracy / Tolerance requirement: mm evenmm施工精度與誤差要求：毫米甚至毫米以下，施工精度與誤差要求：毫米甚至毫米以下，失之毫厘差之千里失之毫厘差之千里3. Working and inspecting in details細化施工工藝與檢查：多檢查并及時整改才能少細化施工工藝與檢查：多檢查并及時整

2、改才能少返工。返工。魔鬼藏在細節(jié)里魔鬼藏在細節(jié)里 Standardized construction procedures標準化施工工序：謀定而后動，一次到位標準化施工工序：謀定而后動，一次到位一步錯全盤皆輸一步錯全盤皆輸CRTSI無砟軌道施工時常見缺失與注意事項3Protection on CPIII Bench marksProtection on CPIII Bench marksCPIII CPIII 網(wǎng)控制點的保護網(wǎng)控制點的保護No protection cap applied and Mortar clued onto bolt thread預埋的預埋的CPIII 螺栓孔未加螺栓孔

3、未加防護蓋防護蓋, ,水泥砂漿粘附孔水泥砂漿粘附孔內螺紋內螺紋CRTSI無砟軌道施工時常見缺失與注意事項4Protection on CPIII Bench marksProtection on CPIII Bench marksCPIII CPIII 網(wǎng)控制點的保護網(wǎng)控制點的保護No clearance between CPIII pole and backfilling layerCPIII 控制點立柱與路基回填控制點立柱與路基回填材料之間材料之間, ,未保持凈空未保持凈空CRTSI無砟軌道施工時常見缺失與注意事項5Protection on CPIII Bench marksProtec

4、tion on CPIII Bench marksCPIII CPIII 網(wǎng)控制點的保護網(wǎng)控制點的保護Scratch found on the CPIII poleCPIII 控制點立柱表面存控制點立柱表面存在碰撞痕跡在碰撞痕跡CRTSI無砟軌道施工時常見缺失與注意事項6Protection on CPIII Bench marksProtection on CPIII Bench marksCPIII CPIII 網(wǎng)控制點的保護網(wǎng)控制點的保護Out forcing on the CPIII pole施加外力在施加外力在CPIII 控制控制點立柱上點立柱上CRTSI無砟軌道施工時常見缺失與注意

5、事項7Preparation and takeover the Deck furniture橋面系附屬構件的準備與移交工作橋面系附屬構件的準備與移交工作Uncleaned formwork plugs on the derailing wall footing防撞墻墻腳防止漏漿的木塞沒有清除干凈，墻防撞墻墻腳防止漏漿的木塞沒有清除干凈，墻腳呈現(xiàn)爛根情形腳呈現(xiàn)爛根情形Uncleaned various concrete leaked from the derailing wall footing防撞墻墻腳漏漿的廢渣沒有清除干凈，墻腳呈防撞墻墻腳漏漿的廢渣沒有清除干凈，墻腳呈現(xiàn)爛根情形現(xiàn)爛根情形C

6、RTSI無砟軌道施工時常見缺失與注意事項8Preparation and takeover the Deck furniture橋面系附屬構件的準備與移交工作橋面系附屬構件的準備與移交工作OCS foundation was cast in two pieces接觸網(wǎng)基礎被分割為接觸網(wǎng)基礎被分割為兩次澆筑，非一體成兩次澆筑，非一體成型澆筑型澆筑CRTSI無砟軌道施工時常見缺失與注意事項9Preparation and takeover the Deck furniture橋面系附屬構件的準備與移交工作橋面系附屬構件的準備與移交工作Expansion joint seams of precast

7、 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現(xiàn)澆現(xiàn)澆A A墻的伸縮縫與墻的伸縮縫與預制遮板的伸縮縫未預制遮板的伸縮縫未對齊，因梁體撓度變對齊，因梁體撓度變化造成化造成A A墻與遮板無墻與遮板無伸縮空間而積壓破損伸縮空間而積壓破損CRTSI無砟軌道施工時常見缺失與注意事項10Multi construction properties arrangement同一同一施工作業(yè)

8、面多種作業(yè)項目與工序的安排施工作業(yè)面多種作業(yè)項目與工序的安排Precast concrete fence installation also ongoing預制混凝土柵欄也在安裝預制混凝土柵欄也在安裝Unfinished concrete foundation of Electricity pole接觸網(wǎng)基礎尚未完成接觸網(wǎng)基礎尚未完成Wooden sleepers installed for track way of Gantry Crane 龍門吊行走鋼軌的枕木已安龍門吊行走鋼軌的枕木已安裝到位裝到位Temporary electricity cable臨時用電的電纜線不規(guī)范臨時用電的電纜線

9、不規(guī)范CRTSI無砟軌道施工時常見缺失與注意事項11Roughness treatment on Bridge deckRoughness treatment on Bridge deck橋面的鑿毛工作橋面的鑿毛工作Chipping the bridge deck by pneumatic pick, chipping proportion less than specified 75%使用風鎬鑿毛，鑿毛面積未達使用風鎬鑿毛，鑿毛面積未達75%的規(guī)定的規(guī)定Chipping the bridge deck by concrete scrubber, but done in wrong metho

10、dology使用使用鑿毛機鑿毛機鑿毛，但方法錯誤使得鑿毛，但方法錯誤使得梁面形梁面形成猶如鉆掘產生的孔洞成猶如鉆掘產生的孔洞CRTSI無砟軌道施工時常見缺失與注意事項12Roughness treatment on Bridge deck橋面的鑿毛工作橋面的鑿毛工作Roughness treatment applied on the waterproofing area設計上需要鋪設防水層設計上需要鋪設防水層的位置也進行了鑿毛的位置也進行了鑿毛CRTSI無砟軌道施工時常見缺失與注意事項13Roughness treatment on Bridge deck橋面的鑿毛工作橋面的鑿毛工作Uncle

11、aned waste hardened concrete after roughness treatment橋面上澆置橋面上澆置ABAB墻時遺留硬墻時遺留硬固的混凝土殘渣未清理干固的混凝土殘渣未清理干凈，直接在殘渣上鑿毛凈，直接在殘渣上鑿毛CRTSI無砟軌道施工時常見缺失與注意事項14Tool rail and steel frame軌排框架與工具軌軌排框架與工具軌No timber installed between tool rail and steel frame during stockpiling軌排框架采硬碰硬的直接堆軌排框架采硬碰硬的直接堆疊，未使用方木隔離疊，未使用方木隔離CR

12、TSI無砟軌道施工時常見缺失與注意事項15Tool rail and steel frame軌排框架與工具軌軌排框架與工具軌Deformation and disfeatured tool rail工具軌損傷與變形工具軌損傷與變形CRTSI無砟軌道施工時常見缺失與注意事項16Expansion joint seal and steel channel installation伸縮縫耐候型鋼與橡膠密封帶的安裝伸縮縫耐候型鋼與橡膠密封帶的安裝Exposure of the steel channel causing the gap distance different from concrete

13、base layer伸縮縫耐候型鋼突出，伸縮縫耐候型鋼間隙與伸縮縫耐候型鋼突出，伸縮縫耐候型鋼間隙與底座板間隙不同底座板間隙不同Designed gap distance of the expansion joint and concrete base layer伸縮縫耐候型鋼突出，伸縮縫耐候型鋼間隙與伸縮縫耐候型鋼突出，伸縮縫耐候型鋼間隙與底座板間隙不同底座板間隙不同CRTSI無砟軌道施工時常見缺失與注意事項17Expansion joint and steel channel installation伸縮縫耐候型鋼與橡膠密封帶的安裝伸縮縫耐候型鋼與橡膠密封帶的安裝Pre-installed

14、 expansion joint seal collecting waste materials on it and difficult to clean預先安裝的伸縮縫橡膠密封預先安裝的伸縮縫橡膠密封帶在施工過程中會有各種廢帶在施工過程中會有各種廢渣堆集，日久后難以清理渣堆集，日久后難以清理Uneven cast concrete partition wall of the electricity channel intruding or away from expansion joint橋面電纜槽及橋面電纜槽及ABAB墻，部分安墻，部分安坐在伸縮縫橡膠密封帶上，坐在伸縮縫橡膠密封帶上，部分

15、未將耐候型鋼嵌入部分未將耐候型鋼嵌入CRTSI無砟軌道施工時常見缺失與注意事項18Expansion joint and steel channel installation伸縮縫耐候型鋼與橡膠密封帶的安裝伸縮縫耐候型鋼與橡膠密封帶的安裝Unbalanced tensile forcing on the expansion joint seal and causing deformation伸縮縫耐候型鋼安裝不對稱，伸縮縫間隙未考伸縮縫耐候型鋼安裝不對稱，伸縮縫間隙未考慮安裝橡膠密封帶時的環(huán)境溫度與橡膠密封帶慮安裝橡膠密封帶時的環(huán)境溫度與橡膠密封帶的尺寸匹配，橡膠密封帶扭曲變形的尺寸匹配，橡膠

16、密封帶扭曲變形Design requirement of the expansion seal installation設計要求的伸縮縫橡膠密封帶安裝規(guī)定設計要求的伸縮縫橡膠密封帶安裝規(guī)定CRTSI無砟軌道施工時常見缺失與注意事項19Expansion joint and steel channel installation伸縮縫耐候型鋼與橡膠密封帶的安裝伸縮縫耐候型鋼與橡膠密封帶的安裝Incompletely inserted expansion joint seal伸縮縫橡膠密封的嵌條，未伸縮縫橡膠密封的嵌條，未完全嵌入耐候型鋼的卡槽內完全嵌入耐候型鋼的卡槽內CRTSI無砟軌道施工時常見缺

17、失與注意事項20Geotextile installation of Track slab construction無砟軌道軌道板施工無砟軌道軌道板施工- -土工布隔離層安裝土工布隔離層安裝Late removed fixing nail串釘拔除時機太晚串釘拔除時機太晚CRTSI無砟軌道施工時常見缺失與注意事項21Rebar installation of Track slab construction無砟軌道軌道板施工無砟軌道軌道板施工- -鋼筋安裝鋼筋安裝Lack accurate of fabrication angle and sizes 裁切尺寸與加工彎折角度的精裁切尺寸與加工彎折角

18、度的精度不良度不良CRTSI無砟軌道施工時常見缺失與注意事項22Rebar installation of Track slab construction無砟軌道軌道板施工無砟軌道軌道板施工- -鋼筋安裝鋼筋安裝Defective insulation絕緣不良絕緣不良CRTSI無砟軌道施工時常見缺失與注意事項23Rebar installation of Track slab construction無砟軌道軌道板施工無砟軌道軌道板施工- -鋼筋安裝鋼筋安裝Lack of concrete cover混凝土保護層不足混凝土保護層不足CRTSI無砟軌道施工時常見缺失與注意事項24Concrete

19、 curing of Track slab construction無砟軌道軌道板施工無砟軌道軌道板施工- -混凝土養(yǎng)護混凝土養(yǎng)護Lack of continue moistening未保持混凝土濕潤的連續(xù)性未保持混凝土濕潤的連續(xù)性CRTSI無砟軌道施工時常見缺失與注意事項25Suggestion of construction optimization施工優(yōu)化的建議施工優(yōu)化的建議- -橋面板鑿毛時的防塵橋面板鑿毛時的防塵Install cover and vacuum on the concrete scrubber to prevent dust pollution安裝防護罩及吸塵安裝防護

20、罩及吸塵機在鑿毛機上，及機在鑿毛機上，及時將鑿毛時的塵土時將鑿毛時的塵土收集在吸塵機的集收集在吸塵機的集塵袋內，防止鑿毛塵袋內，防止鑿毛時的塵土飛揚時的塵土飛揚CRTSI無砟軌道施工時常見缺失與注意事項26Suggestion of construction optimization施工優(yōu)化的建議施工優(yōu)化的建議- -底座板施工底座板施工Water stop wall擋水臺Starter bar for Water stop wall擋水臺預留筋Starter steel groove for Expansion joint seal伸縮縫橡膠帶耐候型鋼Install starter bar n

21、ear expansion joint end of the concrete base layer to prevent crack occurred at the joint between the base concrete layer and water stop wall底座板施工時在梁端伸縮縫底座板施工時在梁端伸縮縫處的左右兩側安裝擋水臺的處的左右兩側安裝擋水臺的接茬筋，避免未來因列車行接茬筋，避免未來因列車行走時的震動與溫差，造成底走時的震動與溫差，造成底座板與擋水臺接縫處的開裂座板與擋水臺接縫處的開裂CRTSI無砟軌道施工時常見缺失與注意事項27Suggestion of co

22、nstruction optimization施工優(yōu)化的建議施工優(yōu)化的建議- -軌道板鋼筋問題軌道板鋼筋問題Designed upper layer and lower layer rebar were in same size and length, the hooks joint together became complicated at corner. It causing different concrete cover on side and the rebar cage will not be quadrated shape. Especially 4 hooks fixed a

23、t corners.設計鋼筋籠上下層鋼筋長設計鋼筋籠上下層鋼筋長度相同，因此在軌道板四度相同，因此在軌道板四周的立面彎鉤都會出現(xiàn)互周的立面彎鉤都會出現(xiàn)互相干擾，特別是四個角落相干擾，特別是四個角落鋼筋彎鉤的綁扎變得極其鋼筋彎鉤的綁扎變得極其復雜，造成同一根鋼筋有復雜，造成同一根鋼筋有不同的保護層的現(xiàn)象；且不同的保護層的現(xiàn)象；且鋼筋籠整體無法形成方正鋼筋籠整體無法形成方正的主體的主體CRTSI無砟軌道施工時常見缺失與注意事項28Suggestion of construction optimization施工優(yōu)化的建議施工優(yōu)化的建議- -軌道板鋼筋調整方案軌道板鋼筋調整方案-1-1Modify

24、all the rebar to two different lengths as upper layer rebar longer than lower layer 統(tǒng)一將鋼筋籠上下層鋼筋長度調統(tǒng)一將鋼筋籠上下層鋼筋長度調整成上層筋較下層筋長，以上包整成上層筋較下層筋長，以上包下的形式形成箍下的形式形成箍Plan view 平面效果模擬平面效果模擬Vertical view 立面效果模擬立面效果模擬3D view 立體效果模擬立體效果模擬Longitudinal bar 縱向鋼筋縱向鋼筋Horizontal bar 橫向鋼筋橫向鋼筋CRTSI無砟軌道施工時常見缺失與注意事項29Suggestion of construction optimization施工優(yōu)化的建議施工優(yōu)化的建議- -軌道板鋼筋調整方案軌道板鋼筋調整方案-2-2Combine the upper and lower layer horizontal bar to be closed stirrup if there is no problem with the electricity insulation between each single one of them an