CN210780020U - Integrated railway cable trough structure - Google Patents
Integrated railway cable trough structure Download PDFInfo
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- CN210780020U CN210780020U CN201921819579.9U CN201921819579U CN210780020U CN 210780020 U CN210780020 U CN 210780020U CN 201921819579 U CN201921819579 U CN 201921819579U CN 210780020 U CN210780020 U CN 210780020U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000010410 layer Substances 0.000 claims abstract description 21
- 239000002344 surface layer Substances 0.000 claims abstract description 13
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 39
- 238000000034 method Methods 0.000 abstract description 15
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 9
- 239000000428 dust Substances 0.000 description 7
- 238000007790 scraping Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
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Abstract
Integral type railway cable duct structure to effectively simplify construction process, improve the construction convenience and the economic nature of cable duct structure, and be favorable to ensureing construction quality. The bottom surfaces of the cable trough components are located on the bottom layer of the foundation bed, and the cable trough components on two sides of the surface layer of the foundation bed are used as side molds to be filled and compacted in a layered and layered mode; vertical plates fixedly connected with the bottom plate into a whole are arranged between the outer vertical wall and the inner vertical wall of the cable trough component, an inner cavity is divided into two cable troughs, and short water drainage holes penetrating through the vertical plates and the outer vertical wall are longitudinally arranged on the top surface of the bottom plate at intervals; the bottom plate of the cable trough component transversely extends out of an outward extending boss of a roadbed side slope, the outer edge of the outward extending boss is upwards raised to form a water retaining edge, through long water drainage holes are longitudinally arranged in the bottom plate at intervals, the inner end of each long water drainage hole is in direct connection with the surface of the bottom layer of the foundation bed, and the outer end of each long water drainage hole leads to the water retaining edge; and a prefabricated cover plate for covering the upper port of the cable trough is arranged at the top of the cable trough component.
Description
Technical Field
The utility model relates to a railway engineering, in particular to integral type railway cable duct structure.
Background
The railway cable groove, the shoulder pad and the water retaining edge need to be arranged on a road shoulder of a roadbed, and the current common method is that after the construction of the roadbed is completed, a cutting method is adopted to remove a roadbed surface layer filling body at the position of the filled road shoulder, the water retaining edge is cast in situ, and then the cable groove and the shoulder pad are prefabricated. The structure and the construction method have the problems of extremely complicated construction process, difficult alignment and easy blockage of shoulder protectors and cable duct drain holes, difficult cutting of graded broken stones, low working efficiency, large cutting dust, environmental pollution and the like.
The utility model discloses a high-speed railway roadbed cable duct structure is disclosed in the utility model patent of the publication number CN 205591054U of granting, the cable duct structure that this patent provided includes the supporting key, the loading board, closed platform and prefabricated cable duct, this structure has been solved shoulder pad and cable duct outlet and has been difficult for aligning and block up easily, cutting grading rubble difficulty and work efficiency are low, the big polluted environment's of cutting dust problem, but its supporting key must bury in filling closely knit roadbed and the opposite side is the structure of encorbelmenting, the existence still needs the fluting to cause the work efficiency low to existing road bed, bury deeper scheduling problem for guaranteeing stable in structure supporting key.
The utility model discloses a novel cable duct structure of railway passenger special line roadbed in utility model patent application publication No. CN 108347025, its cable duct structure includes cell body prefabricated component, apron prefabricated component and manger plate reason, this structure has solved the extremely loaded down with trivial details of work progress, shoulder pad and cable duct outlet difficult alignment and easy problem of blockking up, but the cable duct structure height is higher in this structure, if adopt and cut the graded broken stone earlier and then install the cable duct construction method, there is the problem that the graded broken stone is difficult and the work efficiency is low, the environment is polluted greatly to the cutting dust; if the cable trough structure is adopted as a template to fill graded broken stones, the problems that the trough body of the cable trough is cracked, the cable trough is pushed to be deviated and the like due to mechanical vibration and rolling of the graded broken stones exist.
In the utility model patent application publication specification with publication number CN 109487641A, a high-speed railway integral cable duct structure and bed top layer construction method is disclosed, its cable duct structure includes cable duct, apron, cell type cavity etc. this structure has solved that the work progress is extremely loaded down with trivial details, shoulder pad and cable duct outlet are difficult for aligning and easy to block up, cutting grading rubble difficulty and work efficiency are low, cutting dust pollutes the environment greatly etc.. But the concrete base has larger masonry and higher cost; in addition, no drainage hole is formed in the base, accumulated water in the surface layer of the foundation bed cannot be drained smoothly, and roadbed diseases are easy to cause; the structure still has parts such as a base, a cable trough clapboard, a water retaining edge and the like, and the construction process is still more complicated.
Therefore, a new railway roadbed cable trough structure needs to be researched, the existing problems can be effectively solved, and meanwhile, the novel railway roadbed cable trough structure needs to have the characteristics of economy, environmental protection, construction convenience and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an integral type railway cable duct structure is provided to effectively simplify construction process, improve the construction convenience and the economic nature of cable duct structure, and be favorable to ensureing construction quality.
The utility model provides a technical scheme that existing above-mentioned technique adopted as follows:
the utility model discloses an integral type railway cable duct structure, including setting up in the cable duct component at the horizontal both sides curb position of road bed, the road bed comprises the foundation bed bottom and fills out the foundation bed top layer on it, characterized by: the bottom surfaces of the cable trough components are located on the bottom layer of the foundation bed, and the cable trough components on two sides of the surface layer of the foundation bed are used as side molds to be filled and compacted in a layered and layered mode; vertical plates fixedly connected with the bottom plate into a whole are arranged between the outer vertical wall and the inner vertical wall of the cable trough component, an inner cavity is divided into two cable troughs, and short water drainage holes penetrating through the vertical plates and the outer vertical wall are longitudinally arranged on the top surface of the bottom plate at intervals; the bottom plate of the cable trough component transversely extends out of an outward extending boss of a roadbed side slope, the outer edge of the outward extending boss is upwards raised to form a water retaining edge, through long water drainage holes are longitudinally arranged in the bottom plate at intervals, the inner end of each long water drainage hole is in direct connection with the surface of the bottom layer of the foundation bed, and the outer end of each long water drainage hole leads to the water retaining edge; and a prefabricated cover plate for covering the upper port of the cable trough is arranged at the top of the cable trough component.
The beneficial effects of the utility model are embodied in following several aspects:
the cable trough, the shoulder protectors and the water retaining edges are simplified and combined into a whole, so that the construction procedures in the prior art and the traditional technology are greatly reduced, and the work efficiency is high;
accumulated water in the cable groove is directly drained to the boss through the short drain hole, the drainage path is short, and accumulated water in the groove is not easy to cause;
thirdly, accumulated water in the surface layer of the foundation bed can be directly drained to the boss through the long drain hole and is connected into a side slope drainage system, so that drainage is fast;
the cable trough and the water retaining edge are combined into a whole, the bottom surface of the structure is wide, the gravity center is low, the side pressure generated by rolling the graded broken stone through mechanical vibration can be effectively resisted, and the problems that the traditional graded broken stone is difficult to cut, the work efficiency is low, the environment is greatly polluted by cutting dust and the like are solved;
five, the integral cable trough structure masonry is smaller than the traditional and the existing structure of the patent, and is reduced by 0.24m compared with the traditional mode (two sides)3The engineering investment is saved;
sixthly, the horizontal distance from the groove body of the cable groove to the lug boss is greatly shortened, the roadbed filling width (two sides) is reduced by about 1.48m compared with the traditional mode, and the land is saved.
The utility model discloses effectively solved the construction process that exists in tradition and existing above-mentioned patent, the patent application many and loaded down with trivial details, the outlet is difficult for aligning and blocks up easily, cable duct structure self stability is not enough, cutting grading rubble difficulty and work efficiency are low, cutting dust pollution environment scheduling problem greatly, have advantages such as construction convenience, economic nature are good.
Drawings
The specification includes the following three drawings:
FIG. 1 is a schematic view of a conventional railway roadbed cable trough and shoulder pad structure;
the names and corresponding labels of the main components are shown in fig. 1: the method comprises the following steps of (1) preparing a foundation bed surface layer A, a foundation bed bottom layer B, a contact net stand C, a traditional cable trough D, a prefabricated cover plate 20, a shoulder protector 30, a water drainage hole 31, a prefabricated water retaining edge 40, a water-proof drainage plate 50 and a permeable gravel or gravel cushion layer 60;
fig. 2 is the utility model discloses the section view of integral type cable duct structure.
Fig. 3 is the utility model discloses big appearance of integral type cable duct structure.
The names and corresponding labels of the main components are shown in fig. 2, 3: the structure comprises a foundation bed surface layer A, a foundation bed bottom layer B, a contact net upright C, a cable trough member 10, an outer upright wall 11a, an inner upright wall 11B, upright plates 12, a cable trough 13, an outward extending boss 14, a short drainage hole 15, a long drainage hole 16 and a prefabricated cover plate 20.
Detailed Description
The invention will be further described by means of specific embodiments and with reference to the accompanying drawings.
Referring to fig. 2 and 3, the utility model discloses an integral type railway cable duct structure, including setting up in the cable duct component 10 at the horizontal both sides curb position of road bed, the road bed comprises foundation bed bottom B and the foundation bed top layer A of filling on it. The bottom surface of the cable trough member 10 is seated on the bed bottom layer B, and the bed surface layer A is filled and compacted in a layered and layered mode by taking the cable trough members 10 on two sides as side molds. A vertical plate 12 fixedly connected with a bottom plate into a whole is arranged between an outer vertical wall 11a and an inner vertical wall 11B of the cable trough component 10, an inner cavity is separated to form two cable troughs 13, short water drainage holes 15 penetrating through the vertical plate 12 and the outer vertical wall 11a are arranged on the top surface of the bottom plate at intervals along the longitudinal direction, an overhanging lug boss 14 of a roadbed slope transversely extends out of the bottom plate, the outer edge of the overhanging lug boss 14 is upwards raised to form a water retaining edge, penetrating long water drainage holes 16 are arranged in the bottom plate at intervals along the longitudinal direction, the inner end of each long water drainage hole 16 is in direct connection with the surface of a foundation bed bottom layer B, and the outer end of each long water. On top of the cable trough member 10 a prefabricated cover plate 20 is provided covering the ports on the cable trough 13. The cable trough member 10 may be of a cast-in-place or prefabricated reinforced concrete structure.
Referring to fig. 1 and 2, the utility model discloses simplify and integrate traditional cable duct D, shoulder pad 30 and prefabricated manger plate reason 40, cancelled traditional gravel or rubble bed course 60 that permeates water, prevent drain bar 50, the construction process among the tradition and the prior art that has significantly reduced can increase substantially the efficiency of construction work height.
Referring to fig. 2 and 3, accumulated water in the cable trough 13 is directly drained to the convex outward-extending boss 14 through the short drain hole 15, the drainage path is short, and accumulated water in the trough is not easy to cause. Accumulated water in the surface layer A of the foundation bed can be directly drained to the outward extending boss 14 through the long drain hole 16 and is connected into a side slope drainage system through the water retaining edge, and drainage is fast. The utility model discloses an integral type cable duct structure's masonry is little than tradition and prior art structure, reduces 0.24m than tradition mode (both sides)3And the engineering investment is saved. The horizontal distance from the groove body of the cable groove to the outward extending boss 14 is greatly shortened, the roadbed filling width (two sides) is reduced by about 1.48m compared with the traditional mode, and the land is saved.
Referring to fig. 2, the utility model discloses an integral type railway cable duct structure is under construction according to following step:
① filling a foundation bed bottom layer B below the foundation bed surface layer structure A in a layered manner;
② placing the cable groove components 10 on the two sides of the top of the bottom layer B of the foundation bed in situ;
③ the cable trough members 10 on both sides are used as side forms, and the surface layer (A) of the foundation bed is filled and compacted in layers.
The utility model discloses effectively solved the tradition and existing above-mentioned patent, the construction process that exists in the patent application structure many and loaded down with trivial details, the outlet is difficult for aligning and blocks up easily, cable duct structure self stability is not enough, cutting grading rubble difficulty and work efficiency are low, the big polluted environment scheduling problem of cutting dust, have advantages such as construction convenience, economic nature are good.
The economic benefits are compared as follows:
the length of railway roadbed is 1 km, and only the construction cost of cable channels, shoulder pads and water drainage holes, masonry increase and decrease and land use cost (based on the traditional cutting method) are compared, the labor cost is 400 yuan/day, the reinforced concrete is calculated according to 1200 yuan, the composite water-proof and drainage plate is calculated according to 30 yuan or one level, the gravel stone cushion layer is calculated according to 220 yuan or one level, and the land is permanently calculated according to 20 mu. Traditional cable duct is the prefabricated manual work field equipment of mill, the utility model discloses a cable duct structure adopts cast in situ or the prefabricated construction of mill.
The first scheme is as follows: construction by traditional cutting method (two sides of the line)
1. And (3) surface layer cutting construction: 2 people x 4 days x 400 yuan (3200 yuan)
2. The composite waterproof and drainage plate material and the construction: 2.6X 1000X 30 +2 persons X2 days X400-79600 yuan
3. Gravel stone cushion material and construction: 0.2 × 1000 × 220 yuan +2 persons × 3 days × 400 yuan ═ 46400 yuan
4. And (3) cable trough installation and construction: 2 people x 3 days x 400 yuan ═ 2400 yuan
5. Shoulder protection construction: 2 people x 4 days x 400 yuan (3200 yuan)
6. Cable duct prefabrication construction: 1800 Yuan
7. Cable trough masonry increase and decrease: 0 yuan
8. Land utilization is reduced: 0 yuan
Total construction and land increase and decrease costs: +136600 yuan
Scheme II: adopt "a high-speed railway integral cable trough structure and foundation bed top layer construction method" (circuit both sides) disclosed in the utility model patent application with utility model publication number CN 109487641A
1. Binding the reinforcing steel bars of the cable trough: 2 people x 3 days x 400 yuan ═ 2400 yuan
2. And (3) cable trough scraping mold construction: 2 people x 1 day x 400 yuan ═ 800 yuan
3. Lease fee of the cable trough scraping machine: 1 day x 2000 yuan to 2000 yuan
4. Cost increase and decrease of masonry: +0.03 × 2000 × 1200 ═ 72000 units
4. Land utilization is reduced: -0.44 × 1000/666.7 × 200000-131993-membered
Total construction and land increase and decrease costs: -54793 element
The third scheme is as follows: adopt the utility model discloses integral type railway cable duct structure and construction method
1. Binding the reinforcing steel bars of the cable trough: 2 people x 3 days x 400 yuan ═ 2400 yuan
2. And (3) cable trough scraping mold construction: 2 people x 2 days x 400 yuan 1600 yuan
3. Lease fee of the cable trough scraping machine: 1 day x 2000 yuan to 2000 yuan
4. Cost increase and decrease of masonry: -0.12 × 2000 × 1200 ═ 288000 units
5. Land utilization is reduced: -1.48 × 1000/666.7 × 200000-443978-membered
Total construction and land increase and decrease costs: -725978 yuan
The utility model discloses save investment 86.3 ten thousand per kilometer than scheme one "traditional cutting method construction", save investment 67.1 ten thousand than scheme two "integral cable duct structure of high-speed railway and foundation bed top layer construction method", economic benefits is very showing.
The above description is only used for illustrating some principles of the integrated railway cable trough structure, and it is not intended to limit the present invention to the specific structure and application range shown and described, so all the corresponding modifications and equivalents that may be utilized all belong to the patent scope applied by the present invention.
Claims (4)
1. Integral type railway cable duct structure, including setting up in cable duct component (10) at the horizontal both sides curb position of road bed, the road bed comprises foundation bed bottom (B) and foundation bed top layer (A) of filling above that, characterized by: the bottom surface of the cable trough component (10) is located on the foundation bed bottom layer (B), and the foundation bed surface layer (A) takes the cable trough components (10) on two sides as side molds to be filled and compacted in a layered and layered mode; a vertical plate (12) which is fixedly connected with the bottom plate into a whole is arranged between the outer vertical wall (11a) and the inner vertical wall (11b) of the cable trough member (10), an inner cavity is divided into two cable troughs (13), and short water drainage holes (15) which penetrate through the vertical plate (12) and the outer vertical wall (11a) are arranged on the top surface of the bottom plate at intervals along the longitudinal direction; the bottom plate of the cable trough component (10) transversely extends out of an overhanging lug boss (14) of a roadbed side slope, the outer edge of the overhanging lug boss (14) is upwards raised to form a water retaining edge, through long water drainage holes (16) are longitudinally arranged in the bottom plate at intervals, the inner end of each long water drainage hole (16) is in direct connection with the surface of a foundation bed bottom layer (B), and the outer end of each long water drainage hole is communicated with the water retaining edge; and a prefabricated cover plate (20) for covering the upper port of the cable trough (13) is arranged at the top of the cable trough component (10).
2. The integrated railway cable trough structure of claim 1, wherein: the cable trough member (10) adopts a cast-in-place or prefabricated reinforced concrete structure.
3. The integrated railway cable trough structure of claim 1, wherein: the thickness of the inner side vertical wall (11b) is 15-20 cm.
4. The integrated railway cable trough structure of claim 1, wherein: the width of the outward extending boss (14) extending out of the outer side vertical wall (11a) is 20-25 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921819579.9U CN210780020U (en) | 2019-10-27 | 2019-10-27 | Integrated railway cable trough structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921819579.9U CN210780020U (en) | 2019-10-27 | 2019-10-27 | Integrated railway cable trough structure |
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| Publication Number | Publication Date |
|---|---|
| CN210780020U true CN210780020U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921819579.9U Expired - Fee Related CN210780020U (en) | 2019-10-27 | 2019-10-27 | Integrated railway cable trough structure |
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| Country | Link |
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| CN (1) | CN210780020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111181120A (en) * | 2019-10-27 | 2020-05-19 | 中铁二院工程集团有限责任公司 | Integrated railway cable trough structure and construction method |
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2019
- 2019-10-27 CN CN201921819579.9U patent/CN210780020U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111181120A (en) * | 2019-10-27 | 2020-05-19 | 中铁二院工程集团有限责任公司 | Integrated railway cable trough structure and construction method |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |