CN114809798A - Reinforced concrete protective fence suitable for large-gradient ground - Google Patents
Reinforced concrete protective fence suitable for large-gradient ground Download PDFInfo
- Publication number
- CN114809798A CN114809798A CN202210293453.2A CN202210293453A CN114809798A CN 114809798 A CN114809798 A CN 114809798A CN 202210293453 A CN202210293453 A CN 202210293453A CN 114809798 A CN114809798 A CN 114809798A
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- China
- Prior art keywords
- reinforced concrete
- upright post
- ground
- sill
- steel pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011150 reinforced concrete Substances 0.000 title claims abstract description 107
- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 239000004567 concrete Substances 0.000 claims abstract description 25
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 238000009933 burial Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/003—Anti-climbing devices, e.g. fixed spikes
- E04H17/004—Unstable, e.g. rotatory or resiliently mounted fence panels, spikes
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
- E04H17/20—Posts therefor
- E04H17/22—Anchoring means therefor, e.g. specially-shaped parts entering the ground; Struts or the like
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Engineering & Computer Science (AREA)
- Fencing (AREA)
Abstract
The invention discloses a reinforced concrete protective fence suitable for a large-gradient ground. The existing reinforced concrete protective fence is only suitable for terrains with ground longitudinal slopes below 36 degrees and is not suitable for terrains with large-slope ground. The invention comprises a plain concrete foundation, wherein a plurality of concrete upright posts are arranged in the plain concrete foundation, and the burial depth of the upright posts is adjusted according to the gradient of the ground; a reinforced concrete lower sill and an upper sill are arranged between the adjacent upright posts; the upper sill is fixedly connected with the concrete upright post through threads, and a plurality of transverse bolt holes are reserved in the reinforced concrete upright post; the reinforced concrete fence piece is fixed between the upper sill and the lower sill; the front of the upright post is connected with the bottom end of a rectangular steel pipe bracket, and the steel pipe bracket is provided with an anti-climbing net which comprises a steel frame plate, a steel transverse plate, a metal mesh sheet and a barbed wire rolling cage. The buried depth of the reinforced concrete upright post in the invention is adjusted according to the ground gradient, and the width of the concrete fence piece is narrower, so that the invention can be used for the ground with large gradient.
Description
Technical Field
The invention belongs to the technical field of railway enclosure facilities, and particularly relates to a reinforced concrete protective fence suitable for a large-gradient ground.
Background
With the continuous improvement of the railway construction standard in China and the further expansion of the coverage area of the high-speed railway, the terrain conditions of the protective fence of the high-speed railway are gradually complicated. According to the relevant regulations, for railways with a speed of 250km/h and above, a completely closed space should be formed along the line, without leaving any gaps that would allow access to the line by irrelevant personnel. At present, for the enclosure facilities of the roadbed and the tunnel section of the railway with the speed per hour of 250km/h and above, a plurality of forms such as metal mesh sheets, steel plate meshes, reinforced concrete guard fences and the like exist. The metal mesh sheet and the steel plate mesh protective fence are easy to damage and cannot achieve a good fence effect. In addition, the existing reinforced concrete protective fence is only suitable for terrains with the ground longitudinal slope below 36 degrees and is not suitable for mountainous terrains with the ground longitudinal slope above 36 degrees. In order to ensure the integrity, safety and reliability of the enclosure of the high-speed railway line, an enclosure facility needs to be designed for the terrain with the ground gradient of over 36 degrees.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the reinforced concrete protective fence suitable for the ground with large gradient, which meets the requirement of the railway terrain with the ground gradient of more than 36 degrees.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a reinforced concrete protective fence suitable for a large-gradient ground comprises a plain concrete foundation, wherein a plurality of reinforced concrete stand columns are arranged in the plain concrete foundation, and the burial depth of the reinforced concrete stand columns is adjusted according to the gradient of the ground;
a reinforced concrete lower sill and a reinforced concrete upper sill are arranged between two adjacent reinforced concrete stand columns along the height direction, and the reinforced concrete lower sill is anchored on a plain concrete foundation; the reinforced concrete upper threshold is fixedly connected with the reinforced concrete upright post through threads, and a plurality of transverse bolt holes are reserved in the reinforced concrete upright post;
the bottom surface of the reinforced concrete upper sill is provided with a groove, and the top surface of the reinforced concrete lower sill is provided with a groove; the top surface of the reinforced concrete fence piece is arranged in a groove on the bottom surface of the reinforced concrete upper sill, and the bottom surface of the reinforced concrete fence piece is arranged in a groove on the top surface of the reinforced concrete lower sill;
the top of the reinforced concrete upright post is fixedly connected with a plain concrete cap;
the front side surface of the reinforced concrete upright post is fixedly connected with the bottom end of the rectangular steel pipe bracket, and the rectangular steel pipe bracket is arranged along the height direction of the reinforced concrete upright post; the rectangular steel pipe support is provided with an anti-climbing net, and the top end of the rectangular steel pipe support is provided with a bending structure;
the anti-creeping net comprises a steel side frame plate, a steel transverse plate, a metal net piece and a barbed wire rolling cage; the steel frame plates are fixedly connected along the height direction of the rectangular steel pipe bracket; a plurality of steel transverse plates are fixedly connected between the adjacent steel frame plates, and the metal mesh sheets are arranged on the steel frame plates and the steel transverse plates; the barbed wire rolling cage is arranged at the bending structure position of the rectangular steel pipe bracket.
Specifically, the reinforced concrete stand column is a straight column and is not supported by a bracket.
Optimally, a drain hole is reserved below the reinforced concrete lower sill.
The invention has the beneficial effects that:
1) according to the invention, the burial depth of the reinforced concrete upright post is adjusted according to the ground gradient, when the ground gradient is larger, the burial depth can be reduced, when the ground gradient is smaller, the burial depth can be increased, and a plurality of transverse bolt holes are reserved on the reinforced concrete upright post, so that the fixing of the reinforced concrete upper sill is realized; the width of the reinforced concrete fence piece is narrow, so that the reinforced concrete fence piece is applicable to large-gradient ground;
2) because the ground has a large gradient, the invention is provided with the higher anti-climbing net, and the rigidity of the anti-climbing net is improved by arranging the steel transverse plate and the steel frame plate;
3) the invention has simple structure, convenient construction and wide market application prospect.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a reinforced concrete column construction;
FIG. 3 is a schematic structural view of a reinforced concrete upper sill and a reinforced concrete lower sill;
FIG. 4 is a schematic view of an anti-creep net construction;
in the figure, 1-plain concrete foundation, 2-water drainage hole, 3-reinforced concrete column, 4-plain concrete column cap, 5-reinforced concrete sill, 6-reinforced concrete fence, 7-reinforced concrete sill, 8-rectangular steel pipe bracket, 9-climbing prevention net, 31-embedded screw, 32-bolt hole, 33-transverse bolt hole, 51-top surface groove, 71-bottom surface groove, 72-vertical bolt hole, 73-sill transverse bolt hole, 91-steel frame plate, 92-steel transverse plate, 93-metal mesh sheet, 94-steel wire tie bar, 95-steel connecting plate and 96-barbed wire rolling cage.
Detailed Description
The present invention will be described in detail with reference to specific embodiments.
As shown in fig. 1, the invention comprises a plain concrete foundation 1, wherein the plain concrete foundation 1 is poured by plain concrete;
a plurality of reinforced concrete upright posts 3 are arranged in the plain concrete foundation 1, and the burial depth of the reinforced concrete upright posts 3 is adjusted according to the ground gradient; when the ground has a larger gradient, the burial depth can be reduced, and the relative height of the adjacent reinforced concrete fence pieces 6 is improved; when the ground slope is smaller, the burial depth can be increased, and the relative height of the adjacent reinforced concrete fence pieces 6 is reduced; the distance between the adjacent reinforced concrete upright posts 3 is smaller and 882 mm;
as shown in fig. 2, the height of the reinforced concrete upright post 3 is 4120mm, the cross section is square, and the reinforced concrete upright post 3 is a straight post without a bracket support; when the reinforced concrete upright post 3 is prefabricated, the top of the reinforced concrete upright post is provided with an embedded screw 31 so as to be connected with the reinforced concrete upper threshold 7 and the plain concrete cap 4; two bolt holes 32 are reserved at the upper part when the reinforced concrete upright post 3 is prefabricated so as to be connected with the rectangular steel pipe bracket 8; a plurality of transverse bolt holes 33 are reserved in the prefabricated reinforced concrete upright post 3;
a reinforced concrete lower sill 5 and a reinforced concrete upper sill 7 are arranged between two adjacent reinforced concrete upright columns 3 along the height direction, the reinforced concrete lower sill 5 is anchored on the plain concrete foundation 1, and a drain hole 2 is reserved at a certain depth below the reinforced concrete lower sill 5;
the reinforced concrete upper sill 7 is fixedly connected with the reinforced concrete upright post 3 through threads; the left end of the reinforced concrete upper threshold 7 is connected with the reinforced concrete upright post 3 through the embedded screw 31; selecting one transverse bolt hole 33 according to the burial depth of the reinforced concrete upright post 3 in the plain concrete foundation 1, and connecting the reinforced concrete upright post 3 with the right end of the reinforced concrete upper threshold 7;
as shown in fig. 3, the reinforced concrete upper sill 7 is divided into two types, the type 1 is suitable for low side spans and mid-spans, a vertical bolt hole 72 is reserved at one end, and a transverse bolt hole 73 of the upper sill is reserved at the other end so as to be connected with the reinforced concrete upright post 3; the type 2 is suitable for high-side spans, and two ends of the type 2 are respectively reserved with a vertical bolt hole 72 so as to be connected with the reinforced concrete upright post 3;
the bottom surface of the reinforced concrete upper sill 7 is provided with a bottom surface groove 71, and the top surface of the reinforced concrete lower sill 5 is provided with a top surface groove 51; the top surface of the reinforced concrete fence piece 6 is arranged in the bottom surface groove 71 of the reinforced concrete upper threshold 7, and the bottom surface of the reinforced concrete fence piece 6 is arranged in the top surface groove 51 of the reinforced concrete lower threshold 5, so that the reinforced concrete fence piece 6 is fixed; the reinforced concrete hurdle sheet 6 is I-shaped, comprises 4 rib columns and has the width of 702 mm;
the plain concrete column cap 4 is connected with the top of the reinforced concrete column 3 through the embedded screw 31; the cross section of the plain concrete column cap 4 is the same as that of the reinforced concrete column 3, and a bolt hole is reserved in the center;
the front side surface of the reinforced concrete upright post 3 is fixedly connected with the bottom end of the rectangular steel pipe bracket 8 through a bolt hole 32, and the rectangular steel pipe bracket 8 is arranged along the height direction of the reinforced concrete upright post 3; the bottom end of the rectangular steel pipe support 8 is linear, the top end of the rectangular steel pipe support is provided with a bending structure, and the angle between the bending structure and the linear part is 150 degrees and the bending structure bends towards the outer side of the line;
the rectangular steel pipe support 8 is provided with an anti-climbing net 9, and the top end of the rectangular steel pipe support 8 is provided with a bending structure;
the anti-climbing net 9 comprises a steel frame plate 91, a steel transverse plate 92, a metal mesh sheet 93 and a barbed wire rolling cage 96;
as shown in fig. 4, a plurality of steel connecting plates 95 are welded on the rectangular steel pipe bracket 8 along the height direction, and the steel frame plate 91 is connected with the rectangular steel pipe bracket 8 through the steel connecting plates 95;
a plurality of steel transverse plates 92 are fixedly connected between the adjacent steel frame plates 91, and the metal mesh sheets 93 are welded on the steel frame plates 91 and the steel transverse plates 92; the height of the metal net piece is 1100mm, the area is large, and a steel transverse plate 92 and a steel frame plate 91 are arranged to improve the rigidity of the anti-climbing net;
a barbed wire rolling cage 96 is arranged at the position of the bending structure, and the ring diameter of the barbed wire rolling cage 96 is not less than 450 mm; passing through the metal mesh 93, and longitudinally suspending two steel wire lacing wires 94 along the line, wherein the steel wire lacing wires 94 are formed by mutually winding two steel wires; the galvanized steel wire is wound around the rectangular steel pipe bracket 8 and the steel wire lacing wire 94 for two circles and then is screwed tightly, so that the steel wire lacing wire 94 is fixed; at the position of the bending structure close to the rectangular steel pipe bracket 8, the barbed wire rolling cage 96 is fixed by screwing down the galvanized steel wire wound steel wire lacing wire 94 and the barbed wire rolling cage 96 after two circles.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention is not limited to the examples, and any equivalent changes to the technical solution of the invention by a person skilled in the art after reading the description of the invention are covered by the claims of the invention.
Claims (3)
1. The utility model provides a reinforced concrete protective fence suitable for heavy grade ground which characterized in that:
the concrete foundation comprises a plain concrete foundation (1), wherein a plurality of reinforced concrete stand columns (3) are arranged in the plain concrete foundation (1), and the burial depth of the reinforced concrete stand columns (3) is adjusted according to the gradient of the ground;
a reinforced concrete lower sill (5) and a reinforced concrete upper sill (7) are arranged between two adjacent reinforced concrete upright columns (3) along the height direction, and the reinforced concrete lower sill (5) is anchored on the plain concrete foundation (1); the reinforced concrete upper sill (7) is fixedly connected with the reinforced concrete upright post (3) through threads, and a plurality of transverse bolt holes (33) are reserved in the reinforced concrete upright post (3);
a bottom surface groove (71) is formed in the bottom surface of the reinforced concrete upper sill (7), and a top surface groove (51) is formed in the top surface of the reinforced concrete lower sill (5); the top surface of the reinforced concrete fence piece (6) is arranged in a bottom surface groove (71) of the reinforced concrete upper threshold (7), and the bottom surface of the reinforced concrete fence piece (6) is arranged in a top surface groove (51) of the reinforced concrete lower threshold (5);
the top of the reinforced concrete upright post (3) is fixedly connected with a plain concrete cap (4);
the front side surface of the reinforced concrete upright post (3) is fixedly connected with the bottom end of a rectangular steel pipe bracket (8), and the rectangular steel pipe bracket (8) is arranged along the height direction of the reinforced concrete upright post (3); an anti-climbing net (9) is arranged on the rectangular steel pipe support (8), and a bending structure is arranged at the top end of the rectangular steel pipe support (8);
the anti-climbing net (9) comprises a steel frame plate (91), a steel transverse plate (92), a metal mesh sheet (93) and a barbed wire rolling cage (96); the steel frame plate (91) is fixedly connected along the height direction of the rectangular steel pipe bracket (8); a plurality of steel transverse plates (92) are fixedly connected between the adjacent steel frame plates (91), and the metal mesh sheets (93) are arranged on the steel frame plates (91) and the steel transverse plates (92); the barbed wire rolling cage (96) is arranged at the bending structure position of the rectangular steel pipe bracket (8).
2. A reinforced concrete protective fence suitable for use on a large slope ground as claimed in claim 1 wherein: the reinforced concrete upright post (3) is a straight post and is not supported by a bracket.
3. A reinforced concrete protective fence suitable for use on a large slope ground as claimed in claim 2 wherein: and a drain hole (2) is reserved below the reinforced concrete sill (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210293453.2A CN114809798A (en) | 2022-03-23 | 2022-03-23 | Reinforced concrete protective fence suitable for large-gradient ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210293453.2A CN114809798A (en) | 2022-03-23 | 2022-03-23 | Reinforced concrete protective fence suitable for large-gradient ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114809798A true CN114809798A (en) | 2022-07-29 |
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ID=82530976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210293453.2A Pending CN114809798A (en) | 2022-03-23 | 2022-03-23 | Reinforced concrete protective fence suitable for large-gradient ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114809798A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116255051A (en) * | 2023-05-16 | 2023-06-13 | 中国铁路设计集团有限公司 | Hillside high-speed railway steep slope protection fence adaptive to terrain and construction method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002194927A (en) * | 1999-04-28 | 2002-07-10 | Kozai Steel:Kk | Fence body for animal-proof fence |
| KR100664661B1 (en) * | 2006-05-23 | 2007-01-04 | (주) 화랑월드 | Animal protective fence |
| CN212224863U (en) * | 2019-08-05 | 2020-12-25 | 四川睿铁科技有限责任公司 | A convenient type universal stand for installing thorn thread rolling cage |
| CN212224869U (en) * | 2019-07-03 | 2020-12-25 | 四川衡德隆科技有限公司 | Protective fence for railway |
| CN215859430U (en) * | 2021-09-02 | 2022-02-18 | 安徽丰铁工程技术有限公司 | Reactive powder concrete railway line protective fence |
-
2022
- 2022-03-23 CN CN202210293453.2A patent/CN114809798A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002194927A (en) * | 1999-04-28 | 2002-07-10 | Kozai Steel:Kk | Fence body for animal-proof fence |
| KR100664661B1 (en) * | 2006-05-23 | 2007-01-04 | (주) 화랑월드 | Animal protective fence |
| CN212224869U (en) * | 2019-07-03 | 2020-12-25 | 四川衡德隆科技有限公司 | Protective fence for railway |
| CN212224863U (en) * | 2019-08-05 | 2020-12-25 | 四川睿铁科技有限责任公司 | A convenient type universal stand for installing thorn thread rolling cage |
| CN215859430U (en) * | 2021-09-02 | 2022-02-18 | 安徽丰铁工程技术有限公司 | Reactive powder concrete railway line protective fence |
Non-Patent Citations (1)
| Title |
|---|
| QLF8026: ""铁路线路防护栅栏（通线(2012)8001）"，qlf8026，道客巴巴，第1-17页，https://www.doc88.com/p-0093734505556.html，2014年03月31日", pages 1 - 17, Retrieved from the Internet <URL:https://www.doc88.com/p-0093734505556.html> * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116255051A (en) * | 2023-05-16 | 2023-06-13 | 中国铁路设计集团有限公司 | Hillside high-speed railway steep slope protection fence adaptive to terrain and construction method thereof |
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