CN203411862U - Prefabricated embedded track board - Google Patents

Prefabricated embedded track board Download PDF

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Publication number
CN203411862U
CN203411862U CN201320447478.XU CN201320447478U CN203411862U CN 203411862 U CN203411862 U CN 203411862U CN 201320447478 U CN201320447478 U CN 201320447478U CN 203411862 U CN203411862 U CN 203411862U
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China
Prior art keywords
prefabricated
plate
track
track plates
track board
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CN201320447478.XU
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Inventor
冯克敏
焦洪林
杨刚
罗炯
何云伟
费学梅
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BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP Co.,Ltd.
Chengdu Xinzhu Road and Bridge Machinery Co Ltd
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Chengdu Xinzhu Road and Bridge Machinery Co Ltd
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Abstract

The utility model discloses a prefabricated embedded track board. The prefabricated embedded track board comprises a prefabricated track board, wherein the track board comprises a reinforced concrete plate, track bearing troughs, pre-buried steel plates and a reserved interface, the track bearing troughs are in a structure that steel tracks are embedded into the track board, the reinforced concrete plate comprises a pre-stressed structure and a non-pre-stressed structure, and the pre-buried steel plates are welded with steel bars in the reinforced concrete plate; a notch for greening is reserved in the upper surface the track board, or a paving layer is paved on the upper surface of the track board. The prefabricated embedded track board is different from a traditional track board fabricated on site, is subjected to 'industrial standard prefabrication and on-site modular mounting', is simple in structure and small in maintenance times and is environment-friendly; the influence on the existing traffic caused by the engineering construction is minimized, the construction process is simplified, the operability is enhanced, and the construction speed can be improved.

Description

Prefabricated embedded tracks plate
Technical field
The utility model relates to a kind of track plates, relates in particular to a kind of embedded tracks plate that adopts prefabrication, field moduleization to install, and belongs to urban rail transit technology field.
Background technology
Modern tram, as urban public transportation system, is greatly developed all over the world, and along with the recovery of tram in the world, we have had again and be familiar with tram, and high-tech element has incorporated contemporary tram.In China, first modern tram is applied in China Daliang City; Afterwards, Shenyang Hunnan New District is building 6 street railways in conjunction with New Towns Development; When Suzhou City's Metro Network research and planning, in conjunction with characteristic of city, 6 street railways have also been arranged; Jiaxing City, when studying in conjunction with the inter-city rail transit network planning, also intends arranging 3 street railways in urban area; Shanghai Urban Planning & Desearch Institute also writing completed that < < recovers to use, the feasibility study > > of development tram etc.The circuit major part of tram is reorganization and expansion on existing road, or with planning town road synchronized construction.
Therefore,, from the development trend of urban public transport, tram becomes a kind of inevitable.
Conventional rails construction is all to construct at the scene, and its work progress is: one deck concrete bed of first precoating reproduces and waters track plates or precast track plate is installed on base.The mode of this site operation often needs multiple large-scale construction equipment to coordinate, and takies path area large, traffic organization difficulty; Produce a large amount of noises, larger near resident life impact; And solid concrete roabed concrete construction, quality is limited by field condition, and structure precision and strength control are more difficult; Like this, traditional track plates and rail system thereof can not meet the requirement of urban track traffic " green, environmental protection, low energy consumption, little on resident living impact ".
Utility model content
The purpose of this utility model is: provide a kind of simple in structure, multiple functional, construct quick and convenient, precision is high, can adapt to the requirement of mating formation of different ground processing form, can meet present urban track traffic " green, environmental protection, low energy consumption, little on resident living impact " the prefabricated embedded tracks plate that requires, solve the mode that existing track construction adopts site operation, need multiple large-scale construction equipment to coordinate, take path area large, traffic organization difficulty, noise is large, large near resident living impact, and construction quality is not high, the technical problem that energy consumption is high, thereby can effectively solve above-mentioned problems of the prior art.
The utility model object realizes by following technical proposals: a kind of prefabricated embedded tracks plate, comprise precast track plate, this track plates comprises armored concrete slab, rail support groove, pre-embedded steel slab and spare interface, described rail support groove is that rail embeds the structure in track plates, described armored concrete slab comprises with prestressed structure and non-prestressed structure, the reinforcing bar weld connection in described pre-embedded steel slab and armored concrete slab; Upper surface at track plates is reserved with for the notch of afforesting or establishes at the upper surface of track plates the layer of mating formation.
As the default discharge pipe line being in communication with the outside in a kind of optimal way , road bed board.
As a kind of optimal way, longitudinal junction of adjacent precast track plate is provided for the plate seam of draining of rail.
As a kind of optimal way, the spare interface of described precast track plate comprises reserved grouting mouth, discharge casing position, pre-buried lifting interface and adjusts positional interface.
As a kind of optimal way, prefabricated rail support groove is the structure of straight trough, skewed slot or bottom land pre-pit, groove, in prefabricated rail support groove, is filled with polymer composite.
As a kind of optimal way, the strength grade of described armored concrete slab is C50, and thickness of concrete cover is greater than or equal to 30mm.
As a kind of optimal way, described armored concrete slab is for being with prestressed structure, its form of construction work is: armored concrete slab adopts pre-tensioning system to carry out pre-stress construction, it is 1000-2500 MPa that prestress wire adopts strength grade, diameter is 10-20mm, and single tendon stretch power is the steel strand of 150-300 kN.
As a kind of optimal way, the construction of described track plates comprises following two aspects:
Yi. factory is prefabricated with mold integral;
----the processing of reinforced bar engineering-matched moulds-presstressed reinforcing steel and installation-installation of embedded parts--moulding by casting-pre-stress construction-stream curing--demoulding--spray maintenance-deposit and transport of getting the raw materials ready that prefabricated process mainly comprises: model;
Two. job site modularization is installed:
Installation process comprises: strengthen bedding as ground, and----perfusion mortar--rail welding in rail support groove and location are--on-the-spot cast-in-place--, and process by draining for the lifting of road bed board and positioning.
Further preferably, the detailed process of precast track plate is: on the one hand reinforcing bar is processed and is processed into reinforcing cage, then the batching of constructing: coarse aggregate, fines, cement, water and Admixture are mixed together, after mix and blend, in reinforcing cage, carry out concrete casting injection forming, after cast, as applied prestressing force, carry out pre-stress construction, then carry out steam curing, then the demoulding, sprays maintenance after the demoulding.
Further preferably, track plates end face planeness requires: the be no more than ± 1.0mm of support rail face level that track plates is four jiaos; The one-sided support rail face amount of warpage≤3.0mm of central authorities; Track plates bottom surface planeness deviation is no more than 5.0mm/m; Track plates soffit plucking is processed, the degree of depth 1~2mm.
Compared with prior art, the beneficial effects of the utility model: the utility model is different from the track plates that conventional on-site is made completely, but adopt " batch production standard is prefabricated, field moduleization install ", specifically, possess following advantage:
1, adopt batch production standard prefabricated, track plates is simple in structure, safeguard less, environmental protection, reduced to the full extent the impact of engineering construction on existing traffic, and its construction technology is simplified, and operability strengthens, and can improve speed of application;
2, work progress is owing to adopting modular installation, and noise during its construction is low, and after construction, in the operation phase, noise is also lower, reduces the impact near resident track;
3, track plates batch production is prefabricated, precision is high, Track regularity is good, between track plates, by mortar or peculiar part, connect, can transmit longitudinal force, transverse shearing force, vertical force and thermal stresses, the problem that solves track plates longitudinal register and power transmission, reduces the impact that temperature deformation and foundation settlement cause circuit; And the setting of described longitudinal connector does not affect track plates structural strength, avoid stress to concentrate;
4, this track plates bottom pouring screed, provides the effect of supporting, adjustment, load and power transmission, can cancel in use traditional non-fragment orbit concrete bed, reduces line levels, further shortens construction period;
5, according to the different demands of circuit, carry out road surface pavement cladding material, as greenbelt or flexible pavement, thereby reach harmonious with surrounding enviroment;
6, for concrete road surface situation, can on original road surface, excavate carry out corresponding ground process after scene mat formation, save construction sequence.
Accompanying drawing explanation
Fig. 1 is the construction process figure of the utility model precast track plate.
Fig. 2 is the structural representation of the utility model embodiment 1.
Fig. 3 is the structural representation of the utility model embodiment 2.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Disclosed all features in this manual, or the step in disclosed all methods or process, except the speciality and/or step of mutual repulsion, all can combine by any way, unless narration especially, all can be replaced by other equivalences or the alternative features with similar object,, unless narration especially, an embodiment in a series of equivalences of each feature or similar characteristics.
The utility model is different from conventional rails form completely, adopt the track plates of the prefabricated different types of standardization, the form of construction work of " batch production manufacture, field moduleization are installed ", and for concrete road surface situation, multi-form precast track plate can adopt different foundation treatment modes for different sections of highway ground situation, as ground-precast track plate change the form of filling out, stake raft, stake plate, stake web frame etc., a stake plate comprises non-buried, deep embeded type and shallow embedding formula.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of prefabricated embedded tracks plate, comprise precast track plate, the prefabricated different size form of described precast track plate, size is adjustable, and at the prefabricated corresponding short slab of sharp radius curve section, precast track plate is ordinary reinforced concrete structure, concrete railway board can be divided into and apply prestressed structure and non-prestressed structure according to concrete section and different template, and concrete strength is higher than C40.
Concrete structure is: track plates comprises armored concrete slab 1, rail support groove 2, pre-embedded steel slab 3 and spare interface, described rail support groove 2 is the structure that rail 5 embeds in track plates, described armored concrete slab 1 comprises with prestressed structure and non-prestressed structure, the reinforcing bar weld connection in described pre-embedded steel slab 3 and armored concrete slab 1; Upper surface at track plates is reserved with for the notch 6 of greening or establishes at the upper surface of track plates the layer 7 of mating formation.
The default discharge pipe line 8 being in communication with the outside in road bed board, or longitudinal junction of adjacent precast track plate is provided for the plate seam of draining of rail.The spare interface of described precast track plate comprises reserved grouting mouth 9, discharge casing position 4, pre-buried lifting interface 10 and adjusts positional interface.A described grouting mouthful reserved location should guarantee that mortar flows evenly, and does not affect track plates structural strength.In addition, also according to stray electrical current, determine drainage terminal.The position of described built-in fitting guarantees that track plates is in transportation, installation process, and track plates is stressed evenly.
Prefabricated rail support groove is the structure of straight trough, skewed slot or bottom land pre-pit, groove, is beneficial to and safeguards rail system stability.In prefabricated rail support groove, be filled with polymer composite, macromolecular material is bonded on track inwall.
The strength grade of described armored concrete slab is C50, and thickness of concrete cover is greater than or equal to 30mm.
Described armored concrete slab is for being with prestressed structure, its form of construction work is: armored concrete slab adopts pre-tensioning system to carry out pre-stress construction, it is 1000-2500 MPa that prestress wire adopts strength grade, and diameter is 10-20mm, and single tendon stretch power is the steel strand of 150-300 kN.
The construction of described track plates comprises following two aspects:
Yi. factory is prefabricated with mold integral;
----the processing of reinforced bar engineering-matched moulds-presstressed reinforcing steel and installation-installation of embedded parts--moulding by casting-pre-stress construction-stream curing--demoulding--spray maintenance-deposit and transport of getting the raw materials ready that prefabricated process mainly comprises: model;
As shown in Figure 1, the detailed process of precast track plate is: on the one hand reinforcing bar is processed and is processed into reinforcing cage, then the batching of constructing: coarse aggregate, fines, cement, water and Admixture are mixed together, after mix and blend, in reinforcing cage, carry out concrete casting injection forming, after cast, carry out steam curing, then carry out the demoulding, after the demoulding, spray maintenance.
Wherein: track plates end face planeness requires: the be no more than ± 1.0mm of support rail face level that track plates is four jiaos; The one-sided support rail face amount of warpage≤3.0mm of central authorities; Track plates bottom surface planeness deviation is no more than 5.0mm/m; Track plates soffit plucking is processed, the degree of depth 1~2mm.
Two. job site modularization is installed:
Installation process comprises: strengthen bedding as ground, and----perfusion mortar--rail welding in rail support groove and location are--on-the-spot cast-in-place--, and process by draining for the lifting of road bed board and positioning.
Modular installation, easy and simple to handle, consuming time few.
embodiment 1: this track plates, for independent right of way, is mainly used in bearing tram load, and afforestation of city is provided simultaneously.
As shown in Figure 2, on this precast track plate, without sleeper necessary on conventional rail guidance tape and fastener, adopt nonprestressed reinforcement concrete structure.Precast track plate is placed on the ground that reaches modulus of elasticity requirement, lays, at different sections of highway, as straightway, curved section etc. are laid the precast track plate of different specification size along circuit assembling; Track plates is reserved with the notch that can afforest, can realize afforestation of city, with the conforming effect of surrounding enviroment.
In the present embodiment:
1. this track plates is rail embedded tracks plate; Be applicable to rail and adopt 59R2 grooved rail, the section of filled high polymer composite material locking rail.
2. track plates strength grade of concrete C50.The raw material such as concrete cement used, sand, stone and water should meet the pertinent regulations of GB50204 < < concrete structure engineering construction quality standards of acceptance > > and GB/T50476 < < durability design standard > >.Thickness of concrete cover is not less than 30mm.
3. cement should adopt strength grade to be not less than the portland cement of 42.5 grades, and technical requirements should meet the regulation of GB175; Coarse aggregate should adopt rubble, maximum particle diameter 20mm, and fines should adopt hard natural sand.
4. plate surface evenness requires as follows:
1). plate top surface planeness: the be no more than ± 1.0mm of support rail face level that track plates is four jiaos; The one-sided support rail face amount of warpage≤3.0mm of central authorities.
2). plate bottom surface planeness: allowable variation is for being no more than 5.0mm/m.
5. track plates soffit answers plucking to process, the degree of depth 1~2mm.
embodiment 2: this track plates is mainly used in sharing right of way, bears tram and automobile load simultaneously.
As shown in Figure 3, in order to strengthen structural-load-carrying capacity, adopt prestressed reinforced concrete structure.Described track plates is reserved grout hole, header tank, pre-buried adjusting lever, lifting part, steel plate, drainage pipe etc.; The pitch consistent with road surface, concrete or other materials can be watered in precast track plate surface, concordant with road surface.
In the present embodiment:
1. this track plates is rail embedded tracks plate.Be applicable to rail and adopt 59R2 grooved rail, the section of filled high polymer composite material locking rail.
2. track plates strength grade of concrete C50.The raw material such as concrete cement used, sand, stone and water should meet the pertinent regulations of GB50204 < < concrete structure engineering construction quality standards of acceptance > > and GB/T50476 < < durability design standard > >.Thickness of concrete cover is not less than 30mm.
3. should to adopt strength grade be Portland cement to cement, and technical requirements should meet the regulation of GB175.Coarse aggregate should adopt rubble, maximum particle diameter 20mm, and fines should adopt hard natural sand.
4. track plates adopts pre-tensioning system to carry out pre-stress construction.It is 1000-2500 MPa that prestress wire adopts strength grade, 10-20 steel strand, and single tendon stretch power is 210 kN, special circumstances can suitably reduce stretching force, but are not less than 200 kN.
5. track plates and rail groove length, width dimensions allowable variation are ± 3.0mm.Thickness does not allow to occur negative common difference, and plus tolerance is no more than 3mm.
6. plate surface evenness requires as follows:
1). support rail surface evenness.Be no more than ± the 1.0mm of support rail face level that track plates is four jiaos; The one-sided support rail face amount of warpage≤3.0mm of central authorities.
2). plate bottom surface planeness.Allowable variation is for being no more than 5.0mm/m.
7. track plates soffit answers plucking to process, the degree of depth 1~2mm.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (6)

1. a prefabricated embedded tracks plate, it is characterized in that: comprise precast track plate, this track plates comprises armored concrete slab, rail support groove, pre-embedded steel slab and spare interface, described rail support groove is that rail embeds the structure in track plates, described armored concrete slab comprises with prestressed structure and non-prestressed structure, the reinforcing bar weld connection in described pre-embedded steel slab and armored concrete slab; Upper surface at track plates is reserved with for the notch of afforesting or establishes at the upper surface of track plates the layer of mating formation.
2. prefabricated embedded tracks plate as claimed in claim 1, is characterized in that: the default discharge pipe line being in communication with the outside in road bed board.
3. prefabricated embedded tracks plate as claimed in claim 1, is characterized in that: longitudinal junction of adjacent precast track plate is provided for the plate seam of draining of rail.
4. prefabricated embedded tracks plate as claimed in claim 1, is characterized in that: the spare interface of described precast track plate comprises reserved grouting mouth, discharge casing position, pre-buried lifting interface and adjusts positional interface.
5. prefabricated embedded tracks plate as claimed in claim 1, is characterized in that: prefabricated rail support groove is the structure of straight trough, skewed slot or bottom land pre-pit, groove, in prefabricated rail support groove, is filled with polymer composite.
6. prefabricated embedded tracks plate as claimed in claim 1, is characterized in that: the strength grade of described armored concrete slab is C50, and thickness of concrete cover is greater than or equal to 30mm.
CN201320447478.XU 2013-07-25 2013-07-25 Prefabricated embedded track board Active CN203411862U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352400A (en) * 2013-07-25 2013-10-16 成都市新筑路桥机械股份有限公司 Prefabricated embedded type rail plate
CN105155412A (en) * 2015-10-20 2015-12-16 成都市新筑路桥机械股份有限公司 Embedded rail structure suitable for bridges, and construction method of embedded rail structure
CN112095371A (en) * 2020-09-11 2020-12-18 中国建筑第八工程局有限公司 Rainwater collecting and draining device for groove-shaped rail

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103352400A (en) * 2013-07-25 2013-10-16 成都市新筑路桥机械股份有限公司 Prefabricated embedded type rail plate
CN105155412A (en) * 2015-10-20 2015-12-16 成都市新筑路桥机械股份有限公司 Embedded rail structure suitable for bridges, and construction method of embedded rail structure
CN112095371A (en) * 2020-09-11 2020-12-18 中国建筑第八工程局有限公司 Rainwater collecting and draining device for groove-shaped rail

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GR01 Patent grant
C14 Grant of patent or utility model
CB03 Change of inventor or designer information

Inventor after: Feng Kemin

Inventor after: Fei Xuemei

Inventor after: Chen Peng

Inventor after: Wu Jianzhong

Inventor after: Jiao Honglin

Inventor after: Yang Gang

Inventor after: Xu Shouwei

Inventor after: Luo Jiong

Inventor after: He Yunwei

Inventor after: Liu Wei

Inventor before: Feng Kemin

Inventor before: Jiao Honglin

Inventor before: Yang Gang

Inventor before: Luo Jiong

Inventor before: He Yunwei

Inventor before: Fei Xuemei

TR01 Transfer of patent right

Effective date of registration: 20201013

Address after: 611430 Xinjin Industrial Park Xinjin County Chengdu city Sichuan Province

Patentee after: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd.

Patentee after: BEIJING URBAN CONSTRUCTION DESIGN & DEVELOPMENT GROUP Co.,Ltd.

Address before: 611430 Xinjin Industrial Park, Sichuan, Chengdu

Patentee before: CHENGDU XINZHU ROAD & BRIDGE MACHINERY Co.,Ltd.

CB03 Change of inventor or designer information
TR01 Transfer of patent right