CN201649003U - Active powder concrete column and steel pipe combination rail structure - Google Patents
Active powder concrete column and steel pipe combination rail structure Download PDFInfo
- Publication number
- CN201649003U CN201649003U CN2010201716603U CN201020171660U CN201649003U CN 201649003 U CN201649003 U CN 201649003U CN 2010201716603 U CN2010201716603 U CN 2010201716603U CN 201020171660 U CN201020171660 U CN 201020171660U CN 201649003 U CN201649003 U CN 201649003U
- Authority
- CN
- China
- Prior art keywords
- column
- steel pipe
- steel
- powder concrete
- embedded
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses an active powder concrete column and steel pipe combination rail structure, comprising: a shield imbedded in the base; a plurality of columns, the bottom of which is fixedly connected to the shield, and the column is made from active powder concrete; more than one connection steel pipe are provided between two adjacent columns. In the shield is provided a pre-embedded connecting piece, the connecting end of which protrudes the top face of the shield. the bottom of the column is provided with a steel plate, at least one steel bar pre-embedded at the column bottom is vertically fixed onto the top face of the steel plate; the steel bar pre-embedded at the column bottom is formed by being integrated into the column. The rail structure in the utility model uses the super-high strength, endurance and toughness of the active powder concrete, and combines steel pipe performances of beauty, light and capability of being cut, enabling the rail structure herein provided with advantages of high strength, good toughness, low porosity, corrosion resistance as well as high endurance, convenience for production, installation and low maintenance expenditure. What's more, the rail structure is provided with advantages of practicability, beauty and endurance.
Description
Technical Field
The utility model relates to a guardrail structure, especially a railing structure by the combination of reactive powder concrete stand and steel pipe, all kinds of bridges, road bed, road engineering such as specially adapted railway, highway, municipal administration.
Background
Various guardrails are widely used in various outdoor facilities and areas needing fences, and the guardrail mode is also widely adopted for isolation and protection on various bridges, roads and other traffic roads of railways, highways, municipal works and the like. The guardrail kind that has now can say that a variety is various, divides according to the material: stone, cement, wood, carbon steel, stainless steel, aluminum alloy, plastic steel, and the like; the safety fence is divided into an isolation fence, a safety protective fence and a fence according to functions.
Taking railway traffic as an example, a railway bridge is a comprehensive system project with multiple specialties, such as a track system, an electric power system, a communication signal system and the like, various facilities are arranged and arranged on a bridge floor, and the railway bridge relates to multiple specialties, and meanwhile, the arrangement and the structural form of the bridge floor directly influence the beam structure, the abutment and the foundation size of the bridge, and are closely related to the durability, the use, the maintenance and the like of a bridge span structure.
The bridge deck railings are one of important auxiliary facilities of the bridge, and play an important role in ensuring the safe operation of vehicles. The manufacturing material and the structural form of the handrail have important influence on the load, the structure, the durability, the safety guarantee effect and the landscape effect of the bridge.
At present, ordinary reinforced concrete railings and steel railings are mainly adopted in guardrails of traffic facilities such as various bridges, roads and the like.
Chinese patent No. ZL200820186768.2 discloses a "guardrail", wherein, this guardrail includes two stands, two horizontal poles and more than one standpipe, and the standpipe is located between two stands to be fixed in between two horizontal poles, two stands respectively with the both ends fixed connection of horizontal pole. The upright posts, the cross rods and the vertical pipes are all hollow steel pipes, and electrostatic spraying is carried out on the surface of the guardrail. Although the steel guardrail has good landscape effect and convenient installation and construction, the steel guardrail is expensive and has high one-time investment; and because the steel is easy to rust, the steel guardrail has higher corrosion prevention cost, so that the later maintenance and repair cost is high.
The Chinese patent No. ZL200520011783.X discloses a 'cast-in-place concrete crash barrier integral template for a bridge', which comprises an outer template, wherein the outer template is fixedly connected to the outer vertical edge of a Pi-shaped portal frame, a skid is arranged between the outer template and the outer vertical edge of the Pi-shaped portal frame, the inner vertical edge of the Pi-shaped portal frame is fixedly connected with a preset inner template, a wood wedge is arranged between the inner template and the inner vertical edge of the Pi-shaped portal frame, a support wood is arranged between the upper end of the inner template and the inner vertical edge of the Pi-shaped portal frame, and the bottom end of the inner vertical edge of the Pi-shaped portal frame is provided with the wood wedge. Although the common reinforced concrete handrail is low in price, the common reinforced concrete handrail is heavy and large in structural size due to the limitation of the characteristics of common reinforced concrete materials, and the bridge load is increased.
In addition, the ordinary reinforced concrete guardrail components prefabricated in an industrial mode need to be assembled on site, certain vibration can be generated when high-speed vehicles pass by the guardrail components in railway side construction, and the safety of the vehicles can be affected due to the fact that the guardrail components are loosened for a long time.
In a word, the maintenance and repair workload of the common reinforced concrete guardrail is large due to the structural limitation and the performance characteristics of the common concrete material, the guardrail needs to be replaced frequently, and the later maintenance cost is high; and under the current ordinary reinforced concrete production process level, the landscape effect of the guardrail is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a railing structure of active powder concrete stand and steel pipe combination, it has overcome not enough that known technique exists, simple structure, but the installation is put in the scene transport, and the transportation installation cost is low to light, high strength have, high reliability and durability, easily installation reduce the railing the maintenance, change advantages such as work load.
In order to achieve the above object, the utility model provides a railing structure of active powder concrete stand and steel pipe combination, include: a shield plate embedded in the foundation; the bottom of the upright posts is fixedly connected with the shielding plate, and the upright posts are made of reactive powder concrete; more than one connecting steel pipe is arranged between two adjacent upright posts.
As above, the guardrail structure formed by combining the reactive powder concrete upright and the steel pipe is characterized in that the shield plate is internally provided with a pre-embedded connecting piece, and the connecting end of the pre-embedded connecting piece protrudes out of the top surface of the shield plate.
According to the railing structure formed by combining the reactive powder concrete stand column and the steel pipe, the bottom surface of the stand column is provided with the steel plate, and at least one column bottom embedded steel bar is vertically fixed on the top surface of the steel plate; the column bottom embedded steel bars are integrally formed at the bottom of the upright column.
The railing structure of the combination of the reactive powder concrete upright and the steel pipe is characterized in that the steel plate is provided with a through hole, the through hole is sleeved at the connecting end of the embedded connecting piece, and the upright and the shielding plate are connected into a whole through a nut.
According to the railing structure formed by combining the reactive powder concrete stand columns and the steel pipes, the stand columns are provided with the plurality of through holes which are transversely communicated in the vertical direction, and the connecting steel pipes respectively penetrate through the through holes to be connected with the stand columns.
According to the railing structure formed by combining the reactive powder concrete stand column and the steel pipe, the outer side surface of the stand column is an arc-shaped surface, the inner side surface of the stand column is a plane, and the two wing surfaces are inclined surfaces or planes; the two wing surfaces are provided with three through holes, and three connecting steel pipes are arranged between every two adjacent upright columns.
According to the railing structure formed by combining the reactive powder concrete stand column and the steel pipe, the connecting steel pipe is a round, square or oval steel pipe.
According to the railing structure formed by combining the reactive powder concrete stand columns and the steel pipes, the diameter of the upper connecting steel pipe connected between the two adjacent stand columns is larger than that of the middle connecting steel pipe and that of the lower connecting steel pipe.
Compared with the prior art, the utility model has the following characteristics and advantages:
1. the utility model discloses a pre-buried connecting piece links together stand and sunshade with the nut cooperation, has firm in connection, the advantage that the reliability is high, the dismouting of the railing of being convenient for simultaneously.
2. The utility model discloses connect the diameter of upper portion connection steel pipe between double-phase adjacent stand is greater than the diameter of middle part and sub-unit connection steel pipe, has both guaranteed like this that the railing can bear great external load, has reduced the use amount of steel simultaneously again, the cost is reduced.
3. The utility model discloses a stand is made by active powder concrete material, has guaranteed the utility model discloses a high durability, through 500 quick freeze thawing test, the dynamic elastic modulus of stand is lossless, the quality is lossless. And the upright post has good impermeability which is greater than P16, so that the intrusion of harmful media can be effectively prevented, the maintenance and replacement times of the handrail and the labor cost of maintenance are reduced, and the maintenance cost is reduced.
4. The stand is except that the pre-buried reinforcing bar of appropriate height and welding steel sheet have been pre-buried at the stand bottom, and the stand is whole by active powder concrete integrated into one piece, and inside all no longer sets up the reinforcing bar, has saved steel resources, has overcome the serious reinforcing bar corrosion problem that known guardrail exists to easily pouring and shaping of active powder concrete stand. In addition, the maintenance and replacement workload of the railing structure formed by combining the reactive powder concrete stand column and the steel pipe is reduced, and the maintenance cost is reduced.
5. The upright column made of the reactive powder concrete can be prefabricated and molded in factories, thereby being beneficial to batch production and reducing the cost; and the upright column made of the reactive powder concrete has the characteristic of light weight, is suitable for a construction mode of carrying, placing and installing on site, and has the advantages of simple and rapid installation and low transportation and installation cost.
6. The utility model discloses a structure that reactive powder concrete stand and connection steel pipe combined together has light in weight, intensity height, the advantage that the reliability is high, the durability is good. In addition, the consumption of steel and cement can be greatly reduced, energy and resources are saved, the environment is protected, and the economical efficiency and the aesthetic property are greatly improved.
7. The utility model discloses an active powder concrete upright column volume and weight all reduce the third than current reinforced concrete railing, and the use amount of steel is less, light in weight, be convenient for transportation and construction installation, and the engineering cost is low.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein,
fig. 1 is a schematic view of the installation structure of the handrail of the present invention;
fig. 2 is a schematic side view of the balustrade of the present invention;
FIG. 3 is a schematic side view of the reactive powder concrete column of the present invention;
FIG. 4 is a schematic sectional view of the active powder concrete column according to the present invention;
FIG. 5 is a top view of the combination of the embedded steel bars and the steel plates at the bottom of the column of the present invention;
fig. 6 is the utility model discloses stand column bottom embedded reinforcement and steel sheet combination's structural section schematic diagram.
In the figure: 1-reactive powder concrete column; 2. 3-connecting the steel pipes; 4-a steel plate; 5-a nut; 6-shielding plate; 7-pre-burying a connecting piece; 8-embedding reinforcing steel bars at the column bottom; 9-a through hole; 10. 11, 12-vias; 81-curved portion.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings. Wherein like parts are given like reference numerals.
Please refer to fig. 1 and fig. 2, which are a schematic view of the handrail installation structure and a schematic view of a side view structure of the present invention. As shown in the figure, the utility model discloses railing structure of active powder concrete stand and steel pipe combination includes: a shield 6 embedded in the foundation; a plurality of columns 1 with the bottoms fixedly connected with the shielding plates 6, wherein the columns 1 are made of Reactive Powder Concrete (RPC); more than one connecting steel pipe is arranged between two adjacent upright posts 1. The stand column of the utility model is made of the active powder concrete material, so the high durability of the utility model is ensured, and the dynamic elasticity modulus and the quality of the active powder concrete stand column are not lost after 500 times of rapid freeze-thaw resistance tests; and the barrier has good impermeability which is greater than P16, can effectively prevent the invasion of harmful media, greatly reduces the maintenance and replacement times of the handrail and the labor cost of maintenance compared with the known common reinforced concrete barrier, and reduces the maintenance cost. The volume and the weight of the reactive powder concrete upright post are reduced by one third compared with the common reinforced concrete railing, the steel consumption is less, the weight is light, the transportation, the construction and the installation are convenient, and the engineering cost is low.
In this embodiment, be equipped with pre-buried connecting piece 7 in the sunshade 6, pre-buried connecting piece 7's link protrusion the top surface of sunshade 6 to the sunshade 6 is connected with stand 1. Further, please refer to fig. 5 and fig. 6, which are a schematic view of a top view structure diagram and a schematic view of a structural section of the combination of the embedded steel bars and the steel plates at the bottom of the column according to the present invention, in order to make the column and the shielding plate more firmly connected. As shown in the figure, a steel plate 4 is arranged on the bottom surface of the upright post 1, and at least one post bottom embedded steel bar 8 is vertically fixed on the top surface of the steel plate 4; in the forming process of the upright post 1, the active powder concrete material and the post bottom embedded steel bar 8 are cast into a whole, so that the post bottom embedded steel bar 8 is integrally formed at the bottom of the upright post 1, the steel plate 4 is firmly connected with the upright post 1, and the reliability is high. As shown in fig. 5, two column bottom embedded steel bars 8 can be arranged at the bottom of the upright column, so that the connection strength between the upright column 1 and the steel plate 4 is improved, and the upright column 1 and the shielding plate 6 are more stably connected. Further, the embedded steel bars 8 at the bottom of the column can be set into a double right-angled rectangle with an opening at one side, and two arc bending parts 81 bent inwards are formed at the opening side, so that the firmness of connection between the embedded steel bars 8 at the bottom of the column and the bottom of the upright column 1 is increased. The bottom of the column bottom embedded steel bar 8 is fixedly connected with the steel plate 4 in a welding or other known modes, so that the steel plate 4 and the column 1 are connected into a whole.
Further, be equipped with perforating hole 9 on the steel sheet 4, perforating hole 9 cover is established the link of pre-buried connecting piece 7 will through nut 5 stand 1 links into an integrated entity with sunshade 6 to fix stand 1 on sunshade 6, both made things convenient for the dismouting of stand like this, can guarantee the fastness that stand 1 and sunshade 6 are connected again.
Furthermore, a plurality of through holes 10, 11 and 12 which are transversely penetrated are arranged on the upright post 1 in the vertical direction, and the connecting steel pipes 2 and 3 respectively penetrate through the through holes 10, 11 and 12 to be connected with the upright posts 1. Please refer to fig. 3 and fig. 4, which are a schematic side view and a schematic front view of the reactive powder concrete column according to the present invention. As shown in the figure, the outer side surface 13 of the upright post 1 is an arc surface, the curvature radius of the outer side surface is R, the inner side surface 14 is a plane, and the two wing surfaces 15 are inclined surfaces or planes; the two wing surfaces are provided with three through holes 10, 11 and 12, three connecting steel pipes 2 and 3 are arranged between every two adjacent upright posts 1, and the through holes 10, 11 and 12 are matched with the connecting steel pipes 2 and 3 in shape and size respectively, so that the connecting steel pipes can be inserted into the corresponding through holes. Preferably, the connecting steel pipe is a circular, square or oval steel pipe, but the invention is not limited thereto, and steel pipes with other known shapes are also included in the scope of the present invention.
As an optional embodiment of the present invention, the diameter of the upper connecting steel pipe 3 between the two adjacent columns 1 is larger than the diameter of the middle connecting steel pipe 2 and the lower connecting steel pipe 2, so that it is ensured that the balustrade can bear a large external load, and the amount of steel used is reduced, thereby reducing the cost. In a specific embodiment, the upper connecting steel pipe 3 can be a phi 60 steel pipe, the middle connecting steel pipe 2 and the lower connecting steel pipe 2 can be phi 34 steel pipes, and accordingly, the diameters of the through holes 12, 11 and 10 of the upright post 1 are 62mm, 36mm and 36mm from top to bottom in sequence, so that the connecting steel pipes and the through holes can be conveniently installed in a matched mode.
The utility model discloses a theory of operation is: utilize the power transmission principle, will connect the vertical and horizontal external force load that bears on the steel pipe and pass to the active powder concrete stand 1 who connects with it, the vertical and horizontal load that rethread active powder concrete stand 1 will bear passes to and buries in sunshade 6 in the basis underground to the realization plays the effect of protection to the uninstallation of external force. During installation, for example, one reactive powder concrete column 1 can be arranged every 2 meters, and two phi 34 connecting steel pipes 2 and one phi 60 connecting steel pipe 3 are inserted between every two reactive powder concrete columns 1. The bottom of the active powder concrete upright post 1 is provided with a steel plate 4, the steel plate 4 is inserted into a railing screen board embedded part 7 and is fastened by a M16 nut 5, and the connection between the active powder concrete upright post 1 and the screen board 6 is realized. Because the utility model discloses a structure that reactive powder concrete stand and connection steel pipe combined together has light in weight, intensity height, the advantage that the reliability is high, the durability is good. In addition, the consumption of steel and cement is greatly reduced, energy and resources are saved, the environment is protected, and the economical efficiency and the aesthetic property are greatly improved.
In addition, the reactive powder concrete upright post of the utility model is prefabricated and molded in factories, which is beneficial to batch production and reduces the cost; and the reactive powder concrete upright post has the characteristic of light weight, is suitable for a construction mode of carrying, placing and installing on site, and has the advantages of simple and rapid installation and low transportation and installation cost. Because the upright post 1 is formed by integrally molding the active powder concrete except that the column bottom embedded steel bars 8 with proper height and the welding steel plates 4 are embedded at the bottom of the upright post, the steel bars are not arranged inside the upright post 1, the steel resources are saved, the problem of serious steel bar corrosion of the well-known guardrail is solved, and the pouring and the forming of the active powder concrete upright post are easy. In addition, the maintenance and replacement workload of the railing structure formed by combining the reactive powder concrete stand column and the steel pipe is reduced, and the maintenance cost is reduced.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The utility model provides a railing structure of active powder concrete stand and steel pipe combination which characterized in that, railing structure includes: a shield plate embedded in the foundation; the bottom of the upright posts is fixedly connected with the shielding plate, and the upright posts are made of reactive powder concrete; more than one connecting steel pipe is arranged between two adjacent upright posts.
2. The railing structure of claim 1, wherein the shield has an embedded connector therein, and the connecting end of the embedded connector protrudes from the top surface of the shield.
3. The railing structure of claim 2, wherein the bottom of the column is provided with a steel plate, and at least one column bottom embedded steel bar is vertically fixed on the top of the steel plate; the column bottom embedded steel bars are integrally formed at the bottom of the upright column.
4. The railing structure of claim 3, wherein the steel plate has a through hole, the through hole is sleeved on the connecting end of the embedded connector, and the upright post and the shielding plate are connected into a whole through a nut.
5. A railing structure as claimed in any one of claims 1 to 4, wherein the columns have a plurality of through holes extending therethrough in the vertical direction, and the connecting steel pipes pass through the through holes to connect the columns.
6. The railing structure of claim 5, wherein the outer side of the column is an arc surface, the inner side is a plane, and the two wing surfaces are slopes or planes; the two wing surfaces are provided with three through holes, and three connecting steel pipes are arranged between every two adjacent upright columns.
7. A railing structure of active powder concrete column combined with steel pipe as claimed in claim 5, wherein said connecting steel pipe is round, square or oval steel pipe.
8. A railing structure of active powder concrete column combined with steel pipe as claimed in claim 6, wherein the diameter of the upper connecting steel pipe connected between two adjacent columns is larger than the diameter of the middle and lower connecting steel pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201716603U CN201649003U (en) | 2010-04-21 | 2010-04-21 | Active powder concrete column and steel pipe combination rail structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201716603U CN201649003U (en) | 2010-04-21 | 2010-04-21 | Active powder concrete column and steel pipe combination rail structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201649003U true CN201649003U (en) | 2010-11-24 |
Family
ID=43114229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201716603U Expired - Fee Related CN201649003U (en) | 2010-04-21 | 2010-04-21 | Active powder concrete column and steel pipe combination rail structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201649003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190644A (en) * | 2017-07-25 | 2017-09-22 | 徐红萍 | A kind of combined bridge guardrail |
| CN110273576A (en) * | 2019-06-05 | 2019-09-24 | 成都建工工业化建筑有限公司 | Rail member and its construction method |
-
2010
- 2010-04-21 CN CN2010201716603U patent/CN201649003U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190644A (en) * | 2017-07-25 | 2017-09-22 | 徐红萍 | A kind of combined bridge guardrail |
| CN110273576A (en) * | 2019-06-05 | 2019-09-24 | 成都建工工业化建筑有限公司 | Rail member and its construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101633431B1 (en) | Expandable bridge sidewalk and it's construction method | |
| CN103758024B (en) | Quickly disassembled steel structure pedestrian bridge | |
| CN201786036U (en) | Temporary protective railing for building construction | |
| CN201560409U (en) | High protection grade combined anti-collision guard rail | |
| CN201649003U (en) | Active powder concrete column and steel pipe combination rail structure | |
| CN203684061U (en) | Quickly disassembled steel structure pedestrian bridge | |
| CN205475250U (en) | Pin -connected panel steel stair in foundation ditch | |
| CN201746791U (en) | High-energy section steel beam column type guardrail | |
| CN210066591U (en) | Combined type traffic guardrail | |
| CN206928216U (en) | Ring ripple joist steel guardrail | |
| US20170254034A1 (en) | Crash Guard | |
| KR101228441B1 (en) | Strength reinforce type guardrail structure | |
| CN213448241U (en) | Assembled highway bridge pavement guardrail | |
| CN209907266U (en) | Prefabricated combined reinforced concrete isolation guardrail | |
| CN115434239A (en) | Module type bridge deck safety protection facility and design method | |
| CN210530504U (en) | Multifunctional protective railing for construction site | |
| CN211772762U (en) | Use net of throwing of preventing on bridge | |
| CN202450793U (en) | Grille type color plate ventilation fence for construction site | |
| CN220908259U (en) | Prefabricated reinforced concrete guardrail | |
| CN222477216U (en) | Metal beam column type guardrail pedal-preventing facility and safety guardrail | |
| CN215369124U (en) | High-strength protective fence | |
| CN218508266U (en) | Concrete guardrail back sound barrier connection structure | |
| CN214401411U (en) | Bridge steel structure concatenation guardrail | |
| CN213173339U (en) | Steel construction anticollision fence for bridge | |
| CN215562174U (en) | Transparent combined guardrail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20180421 |