CN113931013B - Railway barrel base beam plate type structure and design method thereof - Google Patents
Railway barrel base beam plate type structure and design method thereof Download PDFInfo
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- CN113931013B CN113931013B CN202111237256.0A CN202111237256A CN113931013B CN 113931013 B CN113931013 B CN 113931013B CN 202111237256 A CN202111237256 A CN 202111237256A CN 113931013 B CN113931013 B CN 113931013B
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- 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
- E01B2/006—Deep foundation of tracks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/20—Arrangements for supporting or suspending trolley wires, e.g. from buildings
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2200/00—Geometrical or physical properties
- E02D2200/16—Shapes
- E02D2200/1685—Shapes cylindrical
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Abstract
The invention provides a railway barrel base beam plate structure and a design method thereof, wherein the railway barrel base beam plate structure comprises a barrel foundation, a bearing platform and a supporting beam plate; the cylinder type foundation is characterized in that a plurality of cylinder type foundations are sequentially arranged, a bearing platform is fixedly arranged on the upper portion of each cylinder type foundation, a supporting beam plate is arranged above each adjacent bearing platform, and an adjustable support is fixedly arranged between each bearing platform and each supporting beam plate. The invention fully plays the advantages of the cylindrical shell structure, and improves the bearing and deformation resistance of the foundation; the foundation treatment or pile foundation engineering is saved, and the engineering cost is greatly saved; the barrel type foundation is adopted, so that the occupied area of railways is reduced; the adjustable support is reasonably used, so that the damage of ground subsidence and deformation is effectively avoided; the construction is simple, the assembly type construction can be popularized and used, the pollution of the construction to the environment is reduced, and the environment protection is facilitated.
Description
Technical Field
The invention belongs to the technical field of railway and rail transit design, and particularly relates to a railway barrel-based beam plate structure and a design method thereof.
Background
In recent years, china carries out large-scale construction of high-speed railways, passenger special lines and rail traffic engineering, and remarkable achievement is achieved. But gradually realized during construction: bridge engineering construction cost of high-speed railways and passenger special lines is high; the width of the roadbed surface of the roadbed engineering is larger, and precious land is occupied, so that land resources are reduced; for roadbed engineering needing to be subjected to foundation treatment, the foundation treatment engineering quantity is huge, and the engineering cost is further increased; meanwhile, the method has the problem of poor adaptability to ground subsidence and other bad geology, and the phenomenon is particularly remarkable in plain areas.
Disclosure of Invention
In order to solve the technical problems, the invention provides the railway barrel base beam plate structure and the design method thereof, which improve the bearing capacity and the deformation resistance of a foundation, save foundation treatment or pile foundation engineering, greatly save engineering cost, reduce railway occupation, effectively avoid the harm of ground subsidence and deformation, simplify construction, reduce the pollution of construction to the environment and facilitate environmental protection.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
in a first aspect, the invention provides a railway barrel-based beam plate structure, which comprises a barrel-type foundation, a bearing platform and a supporting beam plate; the cylinder type foundation is characterized in that a plurality of cylinder type foundations are sequentially arranged, a bearing platform is fixedly arranged on the upper portion of each cylinder type foundation, a supporting beam plate is arranged above each adjacent bearing platform, and an adjustable support is arranged between each bearing platform and each supporting beam plate.
Preferably, the barrel type foundation is a barrel type structure with a circular or oval cross section, and rib plates are arranged inside the barrel type foundation.
Preferably, a sealing bottom plate is arranged in the barrel type foundation, and the sealing bottom plate is fully closed or semi-closed.
Preferably, the same side of the bearing platform is provided with contact net rod supports, and the cable trough is erected on the contact net rod supports.
Preferably, the contact net pole is fixedly arranged on the contact net pole support, and a contact net wire is arranged on the contact net pole.
Preferably, the support beam plate is provided with a railway superstructure.
Preferably, the railway superstructure comprises railway ballasts, bases, track slabs and tracks.
In a second aspect, the present invention also provides a method for designing a railway barrel foundation beam slab structure, the method comprising the steps of:
step S1: according to a conventional railway design method, determining the form and load design basic parameters of a railway superstructure according to a planned railway standard;
step S2: designing the form, size and spacing of a barrel foundation according to the basic parameters and geological conditions of the planned railway;
step S3: determining a supporting beam plate according to the load size of the upper structure of the to-be-built railway and the distance between cylinder foundations by a conventional design method;
step S4: according to the requirements of contact net rods, cable grooves and sound barriers and the requirements of supporting beam plates, designing a bearing platform above a barrel type foundation;
step S5: according to the bearing platform requirements and geological conditions, the burial depth of the barrel type foundation is designed, and the filling requirements, the sealing forms and the rib plate arrangement in the barrel type foundation are determined;
step S6: and designing an adjustable support according to the estimated deformation requirement.
Preferably, in step S2, the cartridge type foundation is designed as a cylindrical foundation having a diameter of 0.5 to 15m and a wall thickness of 0.2 to 0.6m, and the interval between adjacent cartridge type foundations is 2 to 30m.
The invention has the following beneficial effects:
the railway barrel-based beam plate structure and the design method thereof provided by the invention fully exert the advantages of the barrel-type shell structure and improve the bearing and deformation resistance of the foundation; the foundation treatment or pile foundation engineering is saved, and the engineering cost is greatly saved; the barrel type foundation is adopted, so that the occupied area of railways is reduced; the adjustable support is reasonably used, so that the damage of ground subsidence and deformation is effectively avoided; the construction is simple, the assembly type construction can be popularized and used, the pollution of the construction to the environment is reduced, and the environment protection is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a schematic view of a railway barrel foundation beam plate structure according to an embodiment of the invention;
fig. 2 is a top view of a railway barrel foundation beam slab structure according to an embodiment of the present invention.
Reference numerals illustrate:
1. a cartridge foundation; 2. a bottom sealing plate; 3. bearing platform; 4. an adjustable support; 5. supporting the beam plate; 6. a contact net rod support; 7. a catenary bar; 8. contacting a net wire; 9. a cable trough.
Detailed Description
The present invention will be described in detail below with reference to the drawings and the specific embodiments, so that those skilled in the art can better understand the technical solutions of the present invention.
The embodiment provides a railway barrel-based beam plate structure, which is shown in fig. 1 to 2 and comprises a barrel-type foundation 1, a bearing platform 3 and a supporting beam plate 5; the cylinder type foundations 1 are sequentially arranged, the bearing platform 3 is fixedly arranged on the upper portion of each cylinder type foundation 1, the supporting beam plates 5 are arranged above the adjacent bearing platforms, and the adjustable support 4 is fixedly arranged between each bearing platform 3 and each supporting beam plate 5.
The barrel type foundation 1 is of a barrel type structure with a circular or oval cross section, and rib plates can be arranged in the barrel type foundation 1 or not; a bottom sealing plate 2 is arranged in the barrel type foundation 1, the bottom sealing plate 2 can be flush with the ground or not flush with the ground, and the bottom sealing plate 2 is closed or semi-closed; the barrel type foundation 1 can be filled or not; in this embodiment, the filling requirements, the positions and the sealing forms of the bottom sealing plate 2 and the rib plate arrangement in the barrel type foundation 1 can be determined according to the concrete conditions such as geological conditions, and in general, the rib plates are arranged in the barrel type foundation 1, and the filling in the barrel type foundation 1 can make the bearing capacity of the barrel type foundation 1 stronger and more stable. The same side of the bearing platform 3 is provided with contact net rod supports 6, and the cable grooves 9 are erected on the contact net rod supports 6. The contact net pole 7 is fixedly arranged on the contact net pole support 6, one contact net pole 7 is arranged every other a plurality of bearing platforms 3, in this embodiment, one contact net pole 7 is arranged every other two bearing platforms 3, and a contact net wire 8 is erected on the contact net pole 7. And the bearing platform 3 is also provided with a sound barrier. The support beam plate 5 is provided with a railway superstructure. The railway superstructure comprises railway ballasts, a base, a track plate, a track and the like.
The embodiment also provides a design method of the railway barrel base beam plate structure, which comprises the following steps:
step S1: according to a conventional railway design method, determining the form and load design basic parameters of the upper structure of the railway according to the standard of the railway to be built.
Step S2: the form, the size, the spacing and the like of the barrel foundation 1 are designed according to the basic parameters and the geological conditions of the planned railway.
Step S3: the supporting beam plate 5 is determined according to the load size of the upper structure (railway ballast, base, track plate, track, etc.) of the planned railway and the interval of the barrel foundation 1, etc. according to the conventional design method.
Step S4: the bearing platform 3 on the upper part of the barrel foundation 1 is designed according to the requirements of accessory facilities such as the contact net rod 7, the cable trough 9, the sound barrier and the like and the requirements of the supporting beam plate 5.
Step S5: according to the requirements and geological conditions of the bearing platform 3, the burial depth of the barrel type foundation 1 is designed, and the filling requirements, the sealing forms and the rib plate arrangement in the barrel type foundation 1 are determined.
Step S6: the adjustable support 4 is designed according to the estimated deformation requirement.
Further, in step S2, the cartridge type foundation 1 may be designed as a cylindrical foundation having a diameter of 0.5 to 15m and a wall thickness of 0.2 to 0.6m, and the interval between adjacent cartridge type foundations is 2 to 30m.
Further, the design is repeated for the steps S2 to S6 after the basic parameters are determined according to the specific conditions of the railway to be built and step S1, and the optimal design is determined after comparing according to the economic technology.
And during construction, construction organization design is needed. Firstly, prefabricating a barrel type foundation 1 according to design requirements, and constructing the barrel type foundation 1 to the position of the design requirements in a hole digging or vibration mode and the like; and then sequentially constructing structures such as a sealing bottom plate 2, a bearing platform 3, an adjustable support 4, a supporting beam plate 5 and the like, and finally completing the construction of structures such as a contact net rod support 6, a contact net rod 7, a contact net wire 8, a cable trough 9 and the like according to design requirements. It should be noted that, according to the requirements of the topography, geology and structure of the railway to be built, the barrel-type foundation 1 is designed into a circular, elliptic or other barrel-type structure form in section; according to the concrete construction condition, before constructing the sealing bottom plate 2, the stratum in the barrel type foundation 1 can be reinforced, replaced, filled, tamped and other treatment measures can be carried out according to the design requirement, so that the foundation bearing capacity of the barrel type foundation 1 is improved, and the deformation is reduced.
The railway barrel base beam plate type structure and the design method thereof are not limited to railway engineering, but can be used for municipal rail traffic, highways and other engineering with high occupation requirement and strict deformation control.
According to the technical scheme, the railway barrel-based beam plate structure and the design method thereof are provided, so that the advantages of the barrel-type shell structure are fully exerted, and the bearing capacity and the deformation resistance of the foundation are improved; the foundation treatment or pile foundation engineering is saved, and the engineering cost is greatly saved; the barrel type foundation is adopted, so that the occupied area of railways is reduced; the adjustable support is reasonably used, so that the damage of ground subsidence and deformation is effectively avoided; the construction is simple, the assembly type construction can be popularized and used, the pollution of the construction to the environment is reduced, and the environment protection is facilitated.
The embodiments of the present invention have been described in detail by way of examples, but the descriptions are merely exemplary of the embodiments of the present invention and are not to be construed as limiting the scope of the embodiments of the present invention. The protection scope of the embodiments of the invention is defined by the claims. In the technical scheme of the embodiment of the invention, or under the inspired by those skilled in the art, similar technical schemes are designed within the spirit and the protection scope of the embodiment of the invention, or equivalent changes and improvements made to the application scope are still included in the patent coverage protection scope of the embodiment of the invention.
Claims (5)
1. The railway barrel-based beam plate structure is characterized by comprising a barrel-type foundation (1), a bearing platform (3) and a supporting beam plate (5); the device comprises a plurality of barrel foundations (1), wherein the barrel foundations (1) are sequentially arranged, a bearing platform (3) is fixedly arranged on the upper part of each barrel foundation (1), a supporting beam plate (5) is arranged above each adjacent bearing platform, an adjustable support (4) is arranged between each bearing platform (3) and each supporting beam plate (5), a railway superstructure is arranged on each supporting beam plate (5), each railway superstructure comprises railway ballasts, a base, a track plate and a track, the barrel foundations (1) are barrel-type structures with circular or oval sections according to the requirements of the topography, geology and structures of a planned railway, rib plates are arranged inside the barrel foundations (1), a sealing bottom plate (2) is arranged inside each barrel foundation (1), and each sealing bottom plate (2) is fully closed or semi-closed;
the bottom sealing plate (2) is flush with the ground; before the bottom sealing plate (2) is constructed according to specific construction conditions, the stratum in the barrel-type foundation (1) is reinforced, replaced and tamped according to design requirements.
2. The railway cylinder foundation beam slab structure according to claim 1, wherein the same side of the bearing platform (3) is provided with contact net rod supports (6), and the cable grooves (9) are erected on the contact net rod supports (6).
3. Railway cylinder foundation beam slab structure according to claim 2, characterized in that the contact net bar (7) is fixedly arranged on the contact net bar support (6), and the contact net bar (7) is provided with a contact net wire (8) in an erected manner.
4. A method of designing a railway barrel foundation beam slab structure as claimed in any one of claims 1 to 3, the method comprising the steps of:
step S1: according to a conventional railway design method, determining the form and load design basic parameters of a railway superstructure according to a planned railway standard;
step S2: designing the form, the size and the spacing of a barrel-type foundation (1) according to the basic parameters and the geological conditions of the planned railway;
step S3: determining a supporting beam plate (5) according to the load size of the upper structure of the planned railway and the distance between the cylinder foundations (1) by a conventional design method;
step S4: according to the requirements of the contact net rod (7), the cable groove (9) and the sound barrier and the requirements of the supporting beam plate (5), a bearing platform (3) above the barrel type foundation (1) is designed;
step S5: according to the requirements and geological conditions of the bearing platform (3), designing the burial depth of the barrel type foundation (1), and determining the filling requirements, the closed form and the rib plate arrangement in the barrel type foundation (1);
step S6: according to the pre-estimated deformation requirement, an adjustable support (4) is designed.
5. The design method according to claim 4, wherein in step S2, the cartridge type foundation (1) is designed as a cylindrical foundation having a diameter of 0.5 to 15m, a wall thickness of 0.2 to 0.6m, and a pitch of 2 to 30m between adjacent cartridge type foundations (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237256.0A CN113931013B (en) | 2021-10-22 | 2021-10-22 | Railway barrel base beam plate type structure and design method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237256.0A CN113931013B (en) | 2021-10-22 | 2021-10-22 | Railway barrel base beam plate type structure and design method thereof |
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| Publication Number | Publication Date |
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| CN113931013A CN113931013A (en) | 2022-01-14 |
| CN113931013B true CN113931013B (en) | 2023-09-15 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU35808U1 (en) * | 2003-09-30 | 2004-02-10 | Открытое акционерное общество "Энергомашкорпорация" | FOUNDATION FOR INDUSTRIAL STRUCTURE |
| US6709200B1 (en) * | 2002-11-01 | 2004-03-23 | Milton Reynolds | Method of constructing the foundation and support structure for elevated transportation systems |
| CN103711128A (en) * | 2013-12-31 | 2014-04-09 | 上海建工七建集团有限公司 | Construction method for shallow foundation structural beam slab |
| CN107119503A (en) * | 2017-06-30 | 2017-09-01 | 中铁第四勘察设计院集团有限公司 | A kind of railway roadbed foundation structure |
| CN110107303A (en) * | 2019-04-19 | 2019-08-09 | 同济大学 | The deformation control method of shallow earthing shield boring across underneath high-speed railway |
| CN111636256A (en) * | 2020-06-24 | 2020-09-08 | 中铁四院集团西南勘察设计有限公司 | Roadbed structure of straddle type monorail low-lying line and construction method thereof |
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2021
- 2021-10-22 CN CN202111237256.0A patent/CN113931013B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6709200B1 (en) * | 2002-11-01 | 2004-03-23 | Milton Reynolds | Method of constructing the foundation and support structure for elevated transportation systems |
| RU35808U1 (en) * | 2003-09-30 | 2004-02-10 | Открытое акционерное общество "Энергомашкорпорация" | FOUNDATION FOR INDUSTRIAL STRUCTURE |
| CN103711128A (en) * | 2013-12-31 | 2014-04-09 | 上海建工七建集团有限公司 | Construction method for shallow foundation structural beam slab |
| CN107119503A (en) * | 2017-06-30 | 2017-09-01 | 中铁第四勘察设计院集团有限公司 | A kind of railway roadbed foundation structure |
| CN110107303A (en) * | 2019-04-19 | 2019-08-09 | 同济大学 | The deformation control method of shallow earthing shield boring across underneath high-speed railway |
| CN111636256A (en) * | 2020-06-24 | 2020-09-08 | 中铁四院集团西南勘察设计有限公司 | Roadbed structure of straddle type monorail low-lying line and construction method thereof |
Non-Patent Citations (2)
| Title |
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| 吴立，左清军，李建锋.《岩土加固技术与方法》.武汉大学出版社,2015,第341-342页. * |
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