CN105672062A - Straddle-type monorail bearing system and construction method thereof - Google Patents

Straddle-type monorail bearing system and construction method thereof Download PDF

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Publication number
CN105672062A
CN105672062A CN201610063462.7A CN201610063462A CN105672062A CN 105672062 A CN105672062 A CN 105672062A CN 201610063462 A CN201610063462 A CN 201610063462A CN 105672062 A CN105672062 A CN 105672062A
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pile
roadbed
construction
layer
bent cap
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CN201610063462.7A
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CN105672062B (en
Inventor
陈侃
黄波
黄健平
丁静
杨恒艳
韩磊
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Jiangsu Provincial Communication Planning and Design Institute Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/08Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B1/00Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
    • E01B1/002Ballastless track, e.g. concrete slab trackway, or with asphalt layers
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01BPERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00Tracks for special kinds of railways
    • E01B25/08Tracks for mono-rails with centre of gravity of vehicle above the load-bearing rail
    • E01B25/10Mono-rails; Auxiliary balancing rails; Supports or connections for rails

Abstract

The invention discloses a straddle-type monorail bearing system and a construction method thereof. The monorail bearing system comprises a roadbed body, a foundation bed bottom layer laid on the roadbed body, a foundation bed top layer laid on the foundation bed bottom layer, piles buried in the roadbed body and the foundation bed bottom layer, and a capping beam arranged at the top ends of the piles. Track beams are installed on the capping beam. The straddle-type monorail bearing system and the construction method thereof have the beneficial effects that the monorail bearing system combining the roadbed body and the piles is adopted, and the supporting function of the roadbed body among the piles is fully used so that the stress function of a roadbed structure can be improved; compared with existing overhead track beams, while the span of single-line track beams is enlarged, the usage amount of the overhead track beams, overhead structure bridge piers and base materials is effectively reduced; and the structure stress is improved, investment is reduced, and the monorail bearing system has remarkable social benefits and economic benefits.

Description

A kind of Straddle type monorail support rail system and construction method thereof
Technical field
The present invention relates to a kind of Straddle type monorail support rail system and construction method thereof, belong to technical field of transportation.
Background technology
Along with movement of population and economic development, China urban traffic congestion is on the rise, and transport structure is single, the problems such as environmental effect is big are become increasingly conspicuous, and will solve these traffic problems at all, be necessary for adjusting existing transport structure form. And the Monorail PC Track Girders as medium-heavy road traffic has the advantages such as strong adaptability, noise is low, radius of turn is little, climbing capacity is strong, it is consistent with the traffic form of China's city demand, there is certain development prospect. Single track support rail form is generally overhead form, have that floor space is little, can make full use of the advantage such as city space, good visual effect, but overhead track girder span is less, basic and bridge pier quantity is more, quantities is big, cost is higher, it is therefore necessary to carry out technological improvement.
Summary of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of Straddle type monorail support rail system and construction method thereof, it is possible to while improving single-line railway beam span, effectively reduce overhead track girder, elevated structure bridge pier and basic material consumption.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
First the present invention discloses a kind of Straddle type monorail support rail system, including: roadbed body, the bottom layer of subgrade being layed on roadbed body, the bedding top layer being layed on bottom layer of subgrade, the pile being embedded in roadbed body and bottom layer of subgrade and be arranged at the bent cap on pile top, described bent cap is provided with track girder.
Preferably, aforementioned pile is steel-pipe pile, and described bent cap is made up of shaped steel.
It is highly preferred that aforementioned pile is concrete-pile, described bent cap is made up of armored concrete.
More preferably, the cross section of aforementioned roadbed body, bottom layer of subgrade and bedding top layer is trapezoidal.
Additionally, the invention also discloses the construction method of foregoing a kind of Straddle type monorail support rail system, being steel-pipe pile for pile, bent cap is the support rail system of shaped steel, comprises the steps:
S1, roadbed body fill: carry out construction survey, setting-out and build sidewalk, basic body place of first satisfying the need carries out transverse section overall with, longitudinal layered fills, complete one layer unload soil after, land leveller is coordinated to pave smooth to filling out paving with bull-dozer, then watering dry in the sun work is carried out, use vibrated roller compacting again, be finally by road surface, side slope re-shaping exercise;
S2, bottom layer of subgrade are constructed: the construction method that construction method is filled with roadbed body is identical;
S3, pile are constructed: directly squeezing into steel-pipe pile at roadbed body surface, and make pile top and the fixing connection of bent cap, described bent cap is that two shaped steel are connected and composed by Interal fixation;
S4, bedding top layer are constructed: the construction method that construction method is filled with roadbed body is identical;
S5, carrying out attachment rail beam on bent cap, described track girder is steel box-girder form.
And be concrete-pile for pile, bent cap is the support rail system of armored concrete, comprises the steps:
S1, roadbed body fill: carry out construction survey, setting-out and build sidewalk, basic body place of first satisfying the need carries out transverse section overall with, longitudinal layered fills, complete one layer unload soil after, land leveller is coordinated to pave smooth to filling out paving with bull-dozer, then watering dry in the sun work is carried out, use vibrated roller compacting again, be finally by road surface, side slope re-shaping exercise;
S2, bottom layer of subgrade are constructed: the construction method that construction method is filled with roadbed body is identical;
S3, pile are constructed: pile is concrete-pile, squeeze into steel pile casting, boring, descending reinforcing cage, build concrete-pile rod structure that diameter is 1.0m, reserved connect a batch reinforcing bar, at pile top cast-in-situ steel reinforced concrete bent cap;
S4, bedding top layer are constructed: the construction method that construction method is filled with roadbed body is identical;
S5, carrying out attachment rail beam on bent cap, described track girder is steel box-girder form.
The invention have benefit that: the Straddle type monorail support rail system of the present invention adopts the support rail system that roadbed body combines with pile, take full advantage of the supporting role of roadbed body between pile, the stress effect of road structure can be improved, compare existing overhead system track girder, while improving single-line railway beam span, effectively reduce overhead track girder, elevated structure bridge pier and basic material consumption, both structure stress had been improved, save again investment, there is significant Social benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Straddle type monorail support rail system of the present invention.
The implication of accompanying drawing labelling in figure: 1, roadbed body, 2, bottom layer of subgrade, 3, pile, 4, bent cap, 5, bedding top layer, 6, track girder.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention done concrete introduction.
Referring to Fig. 1, the Straddle type monorail support rail system of the present invention includes: roadbed body 1, the bottom layer of subgrade 2 being layed on roadbed body 1, the bedding top layer 5 being layed on bottom layer of subgrade 2, the pile 3 being embedded in roadbed body 1 and bottom layer of subgrade 2 and be arranged at the bent cap 4 on pile 3 top, the cross section of roadbed body 1, bottom layer of subgrade 2 and bedding top layer 5 is trapezoidal, is provided with track girder 6 on bent cap 4. In practice of construction, pile 3 is steel-pipe pile or concrete-pile, and bent cap 4 is made up of shaped steel or armored concrete accordingly.
In order to implement the present invention better, also disclose the construction method of this Straddle type monorail support rail system, specifically include following steps:
S1, roadbed body 1 fill: carry out construction survey, setting-out and build sidewalk, basic body 1 place of first satisfying the need carries out transverse section overall with, longitudinal layered fills, complete one layer unload soil after, land leveller is coordinated to pave smooth to filling out paving with bull-dozer, then watering dry in the sun work is carried out, use vibrated roller compacting again, be finally by road surface, side slope re-shaping exercise; Inspect for acceptance by standard inspection after more than having worked, substandard to do up until qualified on request.
S2, bottom layer of subgrade 2 are constructed: the construction method that construction method is filled with roadbed body 1 is identical, are a difference in that bedding degree of compaction standard is higher;
S3, pile 3 are constructed: two schemes can be divided into construct, (1), direct steel-pipe pile of squeezing on roadbed body 1 surface, and make pile 3 top and the fixing connection of bent cap 4, and bent cap 4 is that two shaped steel are connected and composed by Interal fixation; (2), pile 3 be concrete-pile, squeeze into steel pile casting, boring, descending reinforcing cage, build concrete pile 3 structure that diameter is 1.0m, reserved connect a batch reinforcing bar, at pile 3 top cast-in-situ steel reinforced concrete bent cap 4;
S4, bedding top layer 5 are constructed: the construction method that construction method is filled with roadbed body 1 is identical;
S5, carrying out attachment rail beam 6 on bent cap 4, described track girder 6 is steel box-girder form.
To sum up, the Straddle type monorail support rail system of the present invention adopts the support rail system that roadbed body 1 combines with pile 3, take full advantage of the supporting role of 3 roadbed bodies 1 of pile, the stress effect of road structure can be improved, compare existing overhead system track girder 6, while improving single-line railway beam 6 span, effectively reduce overhead track girder 6, elevated structure bridge pier and basic material consumption, both improved structure stress, saved again investment, there is significant Social benefit and economic benefit.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described. Skilled person will appreciate that of the industry, above-described embodiment does not limit the present invention in any form, and all employings are equal to the technical scheme that the mode of replacement or equivalent transformation obtains, and all fall within protection scope of the present invention.

Claims (6)

1. a Straddle type monorail support rail system, it is characterized in that, including: roadbed body, the bottom layer of subgrade being layed on roadbed body, the bedding top layer being layed on bottom layer of subgrade, the pile being embedded in roadbed body and bottom layer of subgrade and be arranged at the bent cap on pile top, described bent cap is provided with track girder.
2. a kind of Straddle type monorail support rail system according to claim 1, it is characterised in that described pile is steel-pipe pile, and described bent cap is made up of shaped steel.
3. a kind of Straddle type monorail support rail system according to claim 1, it is characterised in that described pile is concrete-pile, and described bent cap is made up of armored concrete.
4. a kind of Straddle type monorail support rail system according to claim 1, it is characterised in that the cross section of described roadbed body, bottom layer of subgrade and bedding top layer is trapezoidal.
5. the construction method of a kind of Straddle type monorail support rail system as claimed in claim 2, it is characterised in that comprise the steps:
S1, roadbed body fill: carry out construction survey, setting-out and build sidewalk, basic body place of first satisfying the need carries out transverse section overall with, longitudinal layered fills, complete one layer unload soil after, land leveller is coordinated to pave smooth to filling out paving with bull-dozer, then watering dry in the sun work is carried out, use vibrated roller compacting again, be finally by road surface, side slope re-shaping exercise;
S2, bottom layer of subgrade are constructed: the construction method that construction method is filled with roadbed body is identical;
S3, pile are constructed: directly squeezing into steel-pipe pile at roadbed body surface, and make pile top and the fixing connection of bent cap, described bent cap is that two shaped steel are connected and composed by Interal fixation;
S4, bedding top layer are constructed: the construction method that construction method is filled with roadbed body is identical;
S5, carrying out attachment rail beam on bent cap, described track girder is steel box-girder form.
6. the construction method of a kind of Straddle type monorail support rail system as claimed in claim 3, it is characterised in that comprise the steps:
S1, roadbed body fill: carry out construction survey, setting-out and build sidewalk, basic body place of first satisfying the need carries out transverse section overall with, longitudinal layered fills, complete one layer unload soil after, land leveller is coordinated to pave smooth to filling out paving with bull-dozer, then watering dry in the sun work is carried out, use vibrated roller compacting again, be finally by road surface, side slope re-shaping exercise;
S2, bottom layer of subgrade are constructed: the construction method that construction method is filled with roadbed body is identical;
S3, pile are constructed: pile is concrete-pile, squeeze into steel pile casting, boring, descending reinforcing cage, build concrete-pile rod structure that diameter is 1.0m, reserved connect a batch reinforcing bar, at pile top cast-in-situ steel reinforced concrete bent cap;
S4, bedding top layer are constructed: the construction method that construction method is filled with roadbed body is identical;
S5, carrying out attachment rail beam on bent cap, described track girder is steel box-girder form.
CN201610063462.7A 2016-01-29 2016-01-29 A kind of Straddle type monorail support rail system and its construction method Active CN105672062B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106283969A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev traffic engineering two-wire excavation location detached pier pillar support rail girder construction
CN106283966A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev single line embankment location detached pier pillar support rail beam transition section structure
CN106283972A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev traffic engineering single line embankment location pile foundation combined type support rail girder construction
CN106283968A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev two-wire embankment location pile foundation is combined framing type support rail girder construction
CN109720985A (en) * 2019-01-28 2019-05-07 上海隧道工程有限公司 Track bearing system and construction method for gantry crane operation

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RU2052007C1 (en) * 1988-02-29 1996-01-10 Петр Степанович Лобов Railway track and method for its construction
CN201713742U (en) * 2010-05-14 2011-01-19 中铁第一勘察设计院集团有限公司 Buried type continuous pile-board structure
CN201924250U (en) * 2011-01-30 2011-08-10 中铁第四勘察设计院集团有限公司 Pile foundation for treating railway short-embankment deep and thick soft soil groundwork
CN102425082A (en) * 2011-09-09 2012-04-25 中铁二院工程集团有限责任公司 Subgrade strengthening structure for highly karstified station turnout zone on high-speed railway
CN202323568U (en) * 2011-11-16 2012-07-11 中铁二院昆明勘察设计研究院有限责任公司 Pipe pile network/beam structure strengthening high-speed railway soft soil subgrade
CN202849876U (en) * 2012-09-01 2013-04-03 中铁二院工程集团有限责任公司 Overhead-type roadbed pile board structure for high speed railway
CN204000470U (en) * 2014-02-28 2014-12-10 中铁第四勘察设计院集团有限公司 The U-shaped waterproof construction of high stake

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RU2052007C1 (en) * 1988-02-29 1996-01-10 Петр Степанович Лобов Railway track and method for its construction
CN201713742U (en) * 2010-05-14 2011-01-19 中铁第一勘察设计院集团有限公司 Buried type continuous pile-board structure
CN201924250U (en) * 2011-01-30 2011-08-10 中铁第四勘察设计院集团有限公司 Pile foundation for treating railway short-embankment deep and thick soft soil groundwork
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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN106283969A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev traffic engineering two-wire excavation location detached pier pillar support rail girder construction
CN106283966A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev single line embankment location detached pier pillar support rail beam transition section structure
CN106283972A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev traffic engineering single line embankment location pile foundation combined type support rail girder construction
CN106283968A (en) * 2016-09-15 2017-01-04 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev two-wire embankment location pile foundation is combined framing type support rail girder construction
CN106283972B (en) * 2016-09-15 2017-10-31 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev traffic engineering single line embankment location pile foundation combined type support rail girder construction
CN106283968B (en) * 2016-09-15 2017-10-31 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev two-wire embankment location pile foundation is combined framing type support rail girder construction
CN106283966B (en) * 2016-09-15 2018-01-02 中铁第四勘察设计院集团有限公司 Medium-and low-speed maglev single line embankment location independence pier stud type support rail beam transition section structure
CN109720985A (en) * 2019-01-28 2019-05-07 上海隧道工程有限公司 Track bearing system and construction method for gantry crane operation

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