WO2024041054A1 - Structure de rail préfabriquée pour section de logement de pompe intégrée dans le transport ferroviaire et procédé de construction - Google Patents

Structure de rail préfabriquée pour section de logement de pompe intégrée dans le transport ferroviaire et procédé de construction Download PDF

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Publication number
WO2024041054A1
WO2024041054A1 PCT/CN2023/095517 CN2023095517W WO2024041054A1 WO 2024041054 A1 WO2024041054 A1 WO 2024041054A1 CN 2023095517 W CN2023095517 W CN 2023095517W WO 2024041054 A1 WO2024041054 A1 WO 2024041054A1
Authority
WO
WIPO (PCT)
Prior art keywords
prefabricated
shaped
shaped track
built
track
Prior art date
Application number
PCT/CN2023/095517
Other languages
English (en)
Chinese (zh)
Inventor
陈鹏
杨秀仁
吴建忠
徐寿伟
段玉振
张宏亮
孙大新
翟贝贝
焦雷
刘观
李静敏
朱禹
段海滨
李威
张光明
康锴
Original Assignee
北京城建设计发展集团股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京城建设计发展集团股份有限公司 filed Critical 北京城建设计发展集团股份有限公司
Priority to EP23800304.0A priority Critical patent/EP4350074A1/fr
Publication of WO2024041054A1 publication Critical patent/WO2024041054A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/008—Drainage of track
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00—Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002—Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • E01B1/004—Ballastless track, e.g. concrete slab trackway, or with asphalt layers with prefabricated elements embedded in fresh concrete or asphalt
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2/00—General structure of permanent way
    • E01B2/003—Arrangement of tracks on bridges or in tunnels
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/005—Making of concrete parts of the track in situ
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
    • E01B29/16—Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/22—Adaptations of pumping plants for lifting sewage

Definitions

  • the invention relates to the technical field of rail transit, and in particular to a prefabricated track structure and construction method for a built-in pump room section of rail transit.
  • the built-in pump room section of rail transit currently mainly uses cast-in-situ concrete track bed.
  • the construction quality is poor, labor intensive, slow construction speed, and the water pipe reservation accuracy is poor, resulting in frequent water accumulation and generally poor track bed durability.
  • the track bed is prone to problems such as falling blocks, cracks, and voids, and the maintenance and repair workload after operation is heavy.
  • the designer of the present invention has researched and designed a prefabricated track structure and construction method for built-in pump room sections of rail transit through painstaking research and design, combined with long-term experience and achievements in related industries. to overcome the above shortcomings.
  • the object of the present invention is to provide a prefabricated track structure and construction method for a built-in pump room section of rail transit, which can effectively solve the existing technical problems: the existing cast-in-place track structure for a built-in pump room section has poor construction quality and is labor-intensive. Problems such as large size and slow construction speed, and poor water pipe reservation accuracy often lead to water accumulation. Therefore, the durability of the track bed is generally not good, and it is prone to defects such as falling blocks, cracks, and voids, and the maintenance and repair workload after operation is Very big.
  • the present invention discloses a prefabricated track structure for rail transit built-in pump room sections, which includes rails, fasteners, prefabricated I-shaped track plates and filling adjustment layers from top to bottom.
  • the rail passes through two The fasteners on the side are fixed on the prefabricated I-shaped track plate.
  • the prefabricated I-shaped track plate includes a rail bearing platform and a prefabricated plate, both of which are formed in one piece.
  • the plane of the prefabricated I-shaped track plate is an I-shaped structure, and is connected by a cross beam in the middle. The two ends of the middle cross beam are U-shaped.
  • the cross-section of the prefabricated I-shaped track plate is polygonal, and the lower surfaces of both sides are provided with slope structures to enhance the adaptability to the tunnel section.
  • the prefabricated I-shaped track plate A filling adjustment layer is poured between the bottom of the track plate and the shield segments.
  • lifting sleeves are respectively provided on the sides of the prefabricated I-shaped track plate.
  • the top surface of the U-shaped opening of the prefabricated I-shaped track plate is provided with a ditch cover for walking of patrol personnel or evacuation of personnel in emergency situations.
  • the joints between the prefabricated I-shaped track plate and the filling adjustment layer and the joints between the filling adjustment layer and the shield segments are provided with sealing waterproof materials for sealing.
  • the bottom of the filling adjustment layer under the middle beam of the prefabricated I-shaped track plate is pre-embedded with water pipes to connect the U-shaped water collection pits with each other.
  • steel bars are reserved or implanted at the bottom of the prefabricated I-shaped track plate.
  • the filling adjustment layer is made of steel fiber fine stone concrete, self-compacting concrete or special mortar.
  • the water pipe is circular or polygonal.
  • Step 1 Prefabricating the I-shaped track slab.
  • the track slab grinding tool processing, steel bar binding, and precast slab concrete pouring are completed in the factory. After the prefabrication is completed, the track slab is cured to shape the track slab. into high-precision prefabricated I-shaped track slabs;
  • Step 2 Transportation and hoisting, transport the prefabricated I-shaped track slab to the track laying surface and then carry out extensive laying;
  • Step 3 Fine adjustment of the prefabricated I-shaped track plate
  • Step 4 Position and fix the prefabricated I-shaped track plate. Use the frame bracket to support and fix the prefabricated I-shaped track plate that is finely adjusted in place;
  • Step 5 Binding steel bars and pre-embedding water pipes
  • Step 6 Set the template around the built-in pump pit at the bottom of the track plate
  • Step 7 Fill the adjustment layer with concrete pouring and curing
  • Step 8 Fastener installation
  • Step 9 Installation of rails
  • Step 10 Ancillary construction.
  • the proposed prefabricated "I"-shaped track slab and construction method for the built-in pump room section of the track bed greatly reduces the amount of steel bar tying and concrete pouring.
  • Figure 1 shows a front view of the prefabricated track structure for rail transit built-in pump room sections according to the present invention.
  • Figure 2 shows a top view of the invention.
  • the prefabricated track structure for the rail transit built-in pump room section includes rail 1, fasteners 2, prefabricated I-shaped track plate 3 and filling adjustment layer 7 from top to bottom.
  • the rail 1 passes through the fasteners 2 on both sides.
  • the prefabricated I-shaped track plate 3 includes a rail bearing platform and a prefabricated plate, both of which Integrated molding, the plane of the prefabricated I-shaped track plate 3 is an I-shaped structure (as shown in the top view of Figure 2), and a cross beam is used to connect it in the middle.
  • the two ends of the middle cross beam are U-shaped openings, thereby forming a U-shaped middle part.
  • Water collection pit 8 the section of the prefabricated I-shaped track plate 3 is polygonal, and the lower surfaces on both sides are provided with slope surface structures to enhance the adaptability to the tunnel section.
  • the filling adjustment layer 7 is only poured at the lower part of the I-shaped structure and is not poured within the U-shaped opening range at both ends of the cross beam, so that it can Equipment such as water pumps can be installed within the U-shaped structure.
  • a filling adjustment layer 7 is poured between the bottom of the prefabricated I-shaped track plate 3 and the shield segment.
  • the filling adjustment layer 7 is made of steel fiber fine stone concrete.
  • lifting sleeves 5 are respectively provided on the sides of the prefabricated I-shaped track plate 3. It is used to fix the prefabricated I-shaped track plate 3.
  • a ditch cover 4 is provided on the top surface of the U-shaped opening of the prefabricated I-shaped track plate 3 for walking of patrol personnel or evacuation of personnel in emergency situations.
  • sealing and waterproof materials 6 are provided at the joints between the prefabricated I-shaped track plate 3 and the filling adjustment layer 7 and between the filling adjustment layer 7 and the shield segments for sealing.
  • the bottom of the filling adjustment layer 7 under the middle beam of the prefabricated I-shaped track plate 3 is pre-embedded with a water pipe 9 so that the U-shaped water collection pits 8 are connected to each other.
  • steel bars can be reserved or implanted in the shield segment area at the bottom of the prefabricated I-shaped track plate 3 to strengthen the connection between the track bed and the shield segment.
  • the filling adjustment layer can be made of steel fiber fine stone concrete, self-compacting concrete, special mortar and other materials with good fluidity.
  • the prefabricated I-shaped track plate 3 is provided with lifting sleeves and other devices on the plate side or on the upper surface of the plate for lifting or fixing the track plate.
  • the water pipe may be circular or polygonal.
  • the construction method of the prefabricated track structure for the built-in pump room section of rail transit of the present invention mainly includes the following steps:
  • Step 1 Prefabricated I-shaped track plate 3.
  • the track plate grinding tool processing, steel bar binding, and prefabricated slab concrete pouring are completed in the factory. After the prefabrication is completed, the track plate is cured to form a high-precision prefabricated I-shaped track plate 3.
  • Step 2 Transportation and hoisting.
  • the prefabricated I-shaped track slab 3 is transported to the construction site by car, and then the prefabricated I-shaped track slab 3 is transported to the track laying operation surface by a transport truck, and then is transported to the track laying operation surface for extensive laying.
  • Step 3 Fine adjustment of prefabricated I-shaped track plate 3.
  • a small gantry crane is used to fine-tune the prefabricated I-shaped track plate 3.
  • Step 4 Position and fix the prefabricated I-shaped track plate 3.
  • the prefabricated I-shaped track plate 3 that has been finely adjusted in place is supported and fixed using rack plate brackets.
  • Each prefabricated I-shaped track plate 3 is provided with 4 or more support points as needed.
  • Step 5 Bundle the steel bars and embed the water pipe 9. After the steel bars are tied, the water pipes are pre-embedded in the cross beams of the prefabricated I-shaped track slab 3.
  • Step 6 Set the template around the built-in pump pit at the bottom of the track plate. After the prefabricated I-shaped track plate 3 is fixed, the pump pit template for the built-in pump room is installed.
  • Step 7 Fill the adjustment layer 7 with concrete pouring and curing. After clearing the water at the bottom of the slab, pour the filling adjustment layer 7, and after the strength of the filling adjustment layer 7 reaches a certain strength, take out the support device of the prefabricated plate erected in step 4.
  • Step 8 Fastener installation. After the filling adjustment layer 7 reaches a certain strength, the upper fasteners are installed. The installation sequence is the elastic pad under the iron pad ⁇ the iron pad ⁇ the elastic pad under the rail.
  • Step nine Installation of rails. Use a rail transport vehicle to bring the rails to the working surface, and use the transport vehicle to unload the rails to the installation point and spread them out. Move the rails into the rail bearing grooves of the fastener iron pads, and install the gauge blocks, connecting bolts and elastic strips, etc. Fastener components.
  • Step 10 Ancillary construction. After the construction of the main structure is completed, the waterproof material in the pump pit will be painted and the ditch cover on the upper surface will be installed.
  • the present invention is used in the field of rail transit to replace the traditional cast-in-place built-in pump room track bed. It has the characteristics of simple construction process, fast construction speed, high construction precision, low labor intensity, good aesthetics, good durability, etc. In line with the current rail transit environmental protection, high efficiency and disease reduction In the direction of harm, the social benefits are huge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Road Paving Structures (AREA)

Abstract

Structure de rail préfabriquée pour une section de logement de pompe intégrée dans le transport ferroviaire et procédé de construction. La structure de rail comprend un rail en acier, des éléments de fixation, une dalle de rail en forme de I préfabriquée, et une couche de réglage de remplissage en séquence de haut en bas. Le rail en acier est fixé à la surface supérieure de la dalle de rail en forme de I préfabriquée au moyen des éléments de fixation sur les deux côtés, et la couche de réglage de remplissage est disposée au-dessous de la dalle de rail en forme de I préfabriquée ; la dalle de rail en forme de I préfabriquée comprend une plateforme de support de rail et une dalle préfabriquée, la plateforme de support de rail et la dalle préfabriquée sont formées d'un seul tenant, le plan de la dalle de rail en forme de I préfabriqué présente une structure en forme de I, et le milieu est relié au moyen d'une traverse. Par conséquent, la présente invention est applicable au domaine du transport ferroviaire, remplace un lit de voie ferrée de logement de pompe intégré coulé in situ classique, présente les avantages d'un processus de construction simple, d'une vitesse de construction élevée, d'une précision de construction élevée, d'une faible intensité de main-d'œuvre, d'une bonne esthétique, d'une bonne durabilité et similaire, d'une efficacité élevée et d'une réduction de maladie dans le transport ferroviaire, est conforme à la direction actuelle de protection environnementale et permet d'obtenir des avantages sociaux considérables.
PCT/CN2023/095517 2022-08-26 2023-05-22 Structure de rail préfabriquée pour section de logement de pompe intégrée dans le transport ferroviaire et procédé de construction WO2024041054A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23800304.0A EP4350074A1 (fr) 2022-08-26 2023-05-22 Structure de rail préfabriquée pour section de logement de pompe intégrée dans le transport ferroviaire et procédé de construction

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211030155.0 2022-08-26
CN202211030155.0A CN115613398B (zh) 2022-08-26 2022-08-26 轨道交通内置式泵房地段用预制轨道结构及施工方法

Publications (1)

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WO2024041054A1 true WO2024041054A1 (fr) 2024-02-29

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EP (1) EP4350074A1 (fr)
CN (1) CN115613398B (fr)
WO (1) WO2024041054A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115613398B (zh) * 2022-08-26 2023-10-10 北京城建设计发展集团股份有限公司 轨道交通内置式泵房地段用预制轨道结构及施工方法

Citations (6)

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JP2015229829A (ja) * 2014-06-03 2015-12-21 大成建設株式会社 鉄道車両用軌道とその施工方法
CN205474612U (zh) * 2016-03-01 2016-08-17 北京城建设计发展集团股份有限公司 一种城市轨道交通用h型预制轨道板
CN210561479U (zh) * 2019-08-06 2020-05-19 中铁工程设计咨询集团有限公司 一种用于地铁内置式泵房的板式道床结构
CN214362569U (zh) * 2020-12-07 2021-10-08 中铁上海设计院集团有限公司 一种城市轨道交通用的内置泵房处预制道床结构
CN114183197A (zh) * 2021-11-15 2022-03-15 粤水电建筑安装建设有限公司 一种城市轨道交通区间隧道用内置式泵房
CN115613398A (zh) * 2022-08-26 2023-01-17 北京城建设计发展集团股份有限公司 轨道交通内置式泵房地段用预制轨道结构及施工方法

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Publication number Priority date Publication date Assignee Title
CN215329049U (zh) * 2021-08-05 2021-12-28 中铁二院工程集团有限责任公司 一种整体道床内设排水泵站的轨道结构
CN114808555B (zh) * 2022-06-17 2023-11-28 中铁上海设计院集团有限公司 一种预制框架板及其应用方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015229829A (ja) * 2014-06-03 2015-12-21 大成建設株式会社 鉄道車両用軌道とその施工方法
CN205474612U (zh) * 2016-03-01 2016-08-17 北京城建设计发展集团股份有限公司 一种城市轨道交通用h型预制轨道板
CN210561479U (zh) * 2019-08-06 2020-05-19 中铁工程设计咨询集团有限公司 一种用于地铁内置式泵房的板式道床结构
CN214362569U (zh) * 2020-12-07 2021-10-08 中铁上海设计院集团有限公司 一种城市轨道交通用的内置泵房处预制道床结构
CN114183197A (zh) * 2021-11-15 2022-03-15 粤水电建筑安装建设有限公司 一种城市轨道交通区间隧道用内置式泵房
CN115613398A (zh) * 2022-08-26 2023-01-17 北京城建设计发展集团股份有限公司 轨道交通内置式泵房地段用预制轨道结构及施工方法

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CN115613398B (zh) 2023-10-10
CN115613398A (zh) 2023-01-17
EP4350074A1 (fr) 2024-04-10

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