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
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- column
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- rpc
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- steel
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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 kind of guard bar structure, and especially a kind of railing structure by RPC column and steel pipe combination is specially adapted to all kinds of bridges, roadbed, highway constructions such as railway, highway, municipal administration.
Background technology
At various outdoor facilities, need to be extensive use of various guardrails in the zone of fence, on traffic routes such as all kinds of bridges such as railway, highway, municipal administration, road, also extensively adopt the mode of guardrail to isolate, protect.Existing guardrail kind can be described as varied, by the material branch: stone material, cement, timber, carbon steel, stainless steel, aluminium alloys, plastic-steel or the like are arranged; By the function branch isolated column, safety guide rail and fence are arranged.
With the railway traffic is example, railroad bridge is multi-specialized integrated system engineering, rail system, power system, communication and signal system etc., on the bridge floor by more with the various facilities of putting, relate to all multi-specialized, the simultaneously layout of bridge floor and beam portion structure, bridge pier platform and the key dimension that structural form also directly has influence on bridge also have confidential relation with durability, use and the maintenance of bridge span structure.
The bridge floor railing is one of important ancillary facility of bridge, and it is for guaranteeing that the vehicle safety operation has important function.The manufacturing materials of railing and form of structure all have material impact to load, structure, durability, safety assurance effect and the landscape effect of bridge.
In the guardrail of means of transportation such as all kinds of bridges, road, mainly adopt ordinary reinforced concrete railing and steel railing at present.
Chinese patent " ZL200820186768.2 " number discloses a kind of " guardrail ", and wherein, this guardrail comprises two root posts, two cross bars and the vertical tube more than, vertical tube and is fixed between two cross bars between two root posts, and two root posts are fixedlyed connected with the two ends of cross bar respectively.Described column, cross bar and vertical tube are the steel pipe of hollow, and electrostatic spraying is carried out on the guardrail surface.Though this steel guard rail landscape effect is better, installation is convenient, and it costs an arm and a leg, and one-time investment is higher; And,, make its later stage maintenance charge with expensive so the anticorrosion expense of steel guard rail is higher because steel are easy to corrosion.
Chinese patent " ZL200520011783.X " number discloses a kind of " bridge cast-in-situ concrete anticollision barrier integral mold plate ", it comprises exterior sheathing, exterior sheathing is fixedly connected on the outer vertical margins of ∏ shape door frame, be provided with chock between the outer vertical margins of exterior sheathing and this ∏ shape door frame, the inboard vertical edges of ∏ shape door frame is fixedlyed connected with the inner formword that presets, be provided with timber wedge between the inboard vertical edges of inner formword and ∏ shape door frame, be provided with gallows timber between the inboard vertical edges of inner formword upper end and ∏ shape door frame, timber wedge is established in the bottom of the inboard vertical edges of ∏ shape door frame.Though this common steel concrete railing is cheap, owing to limit by the characteristic of ordinary reinforced concrete material itself, make the ordinary reinforced concrete railing comparatively heavy, physical dimension is bigger, has increased bridge load.
In addition, for adopting the prefabricated ordinary reinforced concrete fence assembly of batch production, need assembling at the scene, in railway side dressing man-hour, when hot-short passes through, can produce certain vibrations, year in and year out, fence assembly can become flexible, and influences vehicle safety.
In a word, the ordinary reinforced concrete guardrail needs frequently to change because the limitation of its structure and the performance characteristic of ordinary concrete material make that the maintenance workload of this kind guardrail is bigger, and the later maintenance expense is higher; And under present ordinary reinforced concrete production technology level, make that the landscape effect of this kind guardrail is relatively poor.
The utility model content
The utility model provides the railing structure of a kind of RPC column and steel pipe combination, it has overcome the deficiency that known technology exists, simple in structure, but installation is put in onsite moving, the transportation installation cost is low, and have lightweight, high strength, high reliability and durability, be easy to install, reduce railing maintenance, change advantage such as workload.
The railing structure of a kind of RPC column that the utility model proposes for achieving the above object and steel pipe combination comprises: be embedded in the shield in the basis; A plurality of columns of fixedlying connected with described shield in the bottom, described column is made by RPC; Be provided with more than one connection steel pipe between two adjacent columns.
The railing structure of aforesaid RPC column and steel pipe combination is provided with built-in connection in the described shield, and the link of described built-in connection protrudes the end face of described shield.
The railing structure of aforesaid RPC column and steel pipe combination, the bottom surface of described column is provided with steel plate, and embedded bar vertically is fixed on the end face of described steel plate at the bottom of at least one post; Embedded bar is shaped in the bottom of described column at the bottom of the described post.
The railing structure of aforesaid RPC column and steel pipe combination, described steel plate is provided with through hole, and described through hole is set in the link of described built-in connection, links into an integrated entity by described column of nut and described shield.
The railing structure of aforesaid RPC column and steel pipe combination is provided with a plurality of through holes of lateral direction penetrating at vertical direction on the described column, described connection steel pipe passes described through hole respectively and connects each described column.
The railing structure of aforesaid RPC column and steel pipe combination, the lateral surface of described column is an arcwall face, and medial surface is the plane, and two aerofoils are inclined-plane or plane; Two aerofoils are provided with three described through holes, are equipped with three described connection steel pipes between per two adjacent columns.
The railing structure of aforesaid RPC column and steel pipe combination, described connection steel pipe is circular, square or oval steel pipe.
The railing structure of aforesaid RPC column and steel pipe combination, the top that is connected between the described two adjacent columns connects the diameter of the diameter of steel pipe greater than middle part, bottom connection steel pipe.
Compared with prior art, the utlity model has following characteristics and advantage:
1, the utility model cooperates with nut by built-in connection column and shield is linked together, and has to be connected firmly, and the advantage that reliability is high is convenient to the dismounting of railing simultaneously.
2, the utility model is connected the diameter of the diameter of the top connection steel pipe between the described two adjacent columns greater than middle part and bottom connection steel pipe, so both guaranteed that railing can bear bigger external force load, reduce simultaneously the use amount of steel again, reduced cost.
3, column of the present utility model is made by the RPC material, has guaranteed high-durability of the present utility model, through 500 quick freeze thawing resistance tests, the dynamic modulus of elasticity free of losses of column, quality free of losses.And described column has good impermeability, and impermeability can stop the intrusion of hazardous medium effectively greater than P16, thereby has reduced the cost of labor of maintenance, replacing number of times and the maintenance of railing, reduces maintenance cost.
4, described column is except that pre-buried the embedded bar and welding steel of suitable height in column bottom, column is all one-body molded by RPC, inside all no longer is provided with reinforcing bar, saved steel resources, overcome the serious corrosion of steel bar problem that known guardrail exists, and be easy to building and moulding of RPC column.In addition, reduce maintenance, the replacing workload of the railing structure of RPC column and steel pipe combination, reduced maintenance cost.
5, the column made of the RPC of the present utility model moulding that can be prefabricated in the factory helps producing in batches, reduces cost; And the column that RPC is made has lightweight characteristics, is suitable for the form of construction work that installation is put in onsite moving, has the simple and fast of installation, the low advantage of transportation installation cost.
6, the utility model adopts the RPC column and connects the steel pipe structure combining, have in light weight, intensity is high, the advantage of reliability height, good endurance.And, can reduce steel, cement consumption significantly, energy conservation and resource help environmental protection, and economy, aesthetic property also significantly improve.
7, RPC column volume and weight of the present utility model all reduces 1/3rd than existing steel concrete railing, and the use amount of steel is less, in light weight, be convenient to transportation and construction and installation, and engineering cost is low.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
Fig. 1 is the mounting structure schematic diagram of the utility model railing;
Fig. 2 is the side-looking structural representation of the utility model railing;
Fig. 3 is a RPC stud sides TV structure schematic diagram of the present utility model;
Fig. 4 is a RPC column master TV structure generalized section of the present utility model;
Fig. 5 is the plan structure figure of embedded bar and steel plate combination at the bottom of the utility model column post;
Fig. 6 is the structural profile schematic diagram of embedded bar and steel plate combination at the bottom of the utility model column post.
Among the figure: 1-RPC column; 2,3-connects steel pipe; The 4-steel plate; The 5-nut; The 6-shield; The 7-built-in connection; Embedded bar at the bottom of the 8-post; The 9-through hole; 10,11,12-through hole; 81-arc turn of bilge.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.Wherein, identical parts adopt identical label.
Please refer to Fig. 1 and Fig. 2, be respectively the utility model railing mounting structure schematic diagram and side-looking structural representation.As shown in the figure, the railing structure of the utility model RPC column and steel pipe combination comprises: be embedded in the shield 6 in the basis; A plurality of columns 1 of fixedlying connected with described shield 6 in the bottom, described column 1 is made by RPC (RPC); Be provided with more than one connection steel pipe between two adjacent columns 1.Because column of the present utility model is made by the RPC material, therefore guaranteed high-durability of the present utility model, through 500 quick freeze thawing resistance tests, the dynamic modulus of elasticity free of losses of RPC column, quality free of losses; And have good impermeability, impermeability can stop the intrusion of hazardous medium effectively greater than P16, protects to block with known ordinary reinforced concrete and compares the maintenance that has significantly reduced railing, the cost of labor of changing number of times and maintenance, has reduced maintenance cost.The volume and weight of RPC column all reduces 1/3rd than ordinary reinforced concrete railing, and the steel use amount is less, in light weight, be convenient to transportation and construction and installation, and engineering cost is low.
In the present embodiment, be provided with built-in connection 7 in the described shield 6, the link of described built-in connection 7 protrudes the end face of described shield 6, so that shield 6 is connected with column 1.Further, be connected more firmly with shield, please refer to Fig. 5 and Fig. 6, be respectively the plan structure figure and the structural profile schematic diagram of embedded bar and steel plate combination at the bottom of the utility model column post in order to make column.As shown in the figure, the bottom surface of described column 1 is provided with steel plate 4, and embedded bar 8 vertically is fixed on the end face of described steel plate 4 at the bottom of at least one post; In the forming process of described column 1, embedded bar 8 at the bottom of RPC material and the described post is poured into an integrated entity, thereby make embedded bar 8 at the bottom of the described post be shaped in the bottom of described column 1, make described steel plate 4 and described column 1 firm linking together, reliability height.As shown in Figure 5, embedded bar 8 at the bottom of the bottom of described column can be provided with two posts, thus the bonding strength between raising column 1 and the steel plate 4 makes column 1 more firm with being connected of shield 6.Further, embedded bar 8 can be set to curve two right angles rectangle of a side opening at the bottom of the described post, and open side is formed with two arc turn of bilges 81 that bend inwards, and helps increasing the bottom connectivity robustness of embedded bar 8 and column 1 at the bottom of the post.At the bottom of the post fixedly connected with welding or other known modes with described steel plate 4 in the bottom of embedded bar 8, thereby make described steel plate 4 link into an integrated entity with described column 1.
Further, described steel plate 4 is provided with through hole 9, described through hole 9 is set in the link of described built-in connection 7, by nut 5 described column 1 is linked into an integrated entity with shield 6, thereby column 1 is fixed on the shield 6, so both make things convenient for the dismounting of column, and can guarantee the fastness that column 1 is connected with shield 6 again.
Further, be provided with a plurality of through holes 10,11,12 of lateral direction penetrating on the described column 1 at vertical direction, described connection steel pipe 2,3 passes described through hole 10,11,12 respectively and connects each described column 1.Please refer to Fig. 3 and Fig. 4, be respectively RPC stud sides TV structure schematic diagram of the present utility model and main TV structure generalized section.As shown in the figure, the lateral surface 13 of described column 1 is an arcwall face, and its radius of curvature is R, and medial surface 14 is the plane, and two aerofoils 15 are inclined-plane or plane; This two aerofoil is provided with three described through holes 10,11,12, be equipped with three described connection steel pipes 2,3 between per two adjacent columns 1, described through hole 10,11,12 matches with described shape, the size that is connected steel pipe 2,3 respectively, makes that respectively connecting steel pipe can be inserted in each corresponding through hole.Preferably, described connection steel pipe is circular, square or oval steel pipe, but also is not limited thereto, and the steel pipe of other known shapes is also contained within the protection domain of the present utility model.
As a kind of optional embodiment of the utility model, the top that is connected between the described two adjacent columns 1 connects the diameter of the diameter of steel pipe 3 greater than middle part connection steel pipe 2 and bottom connection steel pipe 2, so both guaranteed that railing can bear bigger external force load, reduce simultaneously the use amount of steel again, reduced cost.In a specific embodiment, top connects steel pipe 3 can select Φ 60 steel pipes for use, and the middle part connects and bottom connection steel pipe 2 can be selected Φ 34 steel pipes for use, correspondingly, the diameter of the through hole 12,11,10 of column 1 is followed successively by 62mm, 36mm and 36mm from top to bottom, is convenient to connect steel pipe and cooperates installation with through hole.
Operating principle of the present utility model is: utilize the power transfer principle, pass to connected RPC column 1 with connecting the perpendicular lateral external forces load that bears on the steel pipe, the perpendicular transverse load that will bear by RPC column 1 is passed to the shield 6 that is embedded in the basis again, thereby realize unloading, play the effect of protection external force.When mounted, for example can a RPC column 1 be set every 2 meters, two Φ of plug-in mounting 34 connect steel pipes 2 and are connected steel pipe 3 with a Φ 60 between per two RPC columns 1.RPC column 1 bottom is provided with steel plate 4, and steel plate 4 is inserted into railing shield built-in fitting 7, and is fastening by M16 nut 5, and realization RPC column 1 is connected with shield 6.Because the utility model adopts the RPC column and connects the steel pipe structure combining, have in light weight, intensity is high, the advantage of reliability height, good endurance.And, reducing steel, cement consumption significantly, energy conservation and resource help environmental protection, and economy, aesthetic property also significantly improve.
In addition, RPC column of the present utility model adopts the prefabrication moulding, helps producing in batches, reduces cost; And the RPC column has lightweight characteristics, is suitable for the form of construction work that installation is put in onsite moving, has the simple and fast of installation, the low advantage of transportation installation cost.Because described column 1 is except that pre-buried at the bottom of the post of suitable height embedded bar 8 and the welding steel 4 in column bottom, column 1 is all one-body molded by RPC, inside all no longer is provided with reinforcing bar, saved steel resources, overcome the serious corrosion of steel bar problem that known guardrail exists, and be easy to building and moulding of RPC column.In addition, reduce maintenance, the replacing workload of the railing structure of RPC column and steel pipe combination, reduced maintenance cost.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (8)
1. the railing structure of RPC column and steel pipe combination is characterized in that described railing structure comprises: be embedded in the shield in the basis; A plurality of columns of fixedlying connected with described shield in the bottom, described column is made by RPC; Be provided with more than one connection steel pipe between two adjacent columns.
2. the railing structure of RPC column as claimed in claim 1 and steel pipe combination is characterized in that be provided with built-in connection in the described shield, the link of described built-in connection protrudes the end face of described shield.
3. the railing structure of RPC column as claimed in claim 2 and steel pipe combination is characterized in that the bottom surface of described column is provided with steel plate, and embedded bar vertically is fixed on the end face of described steel plate at the bottom of at least one post; Embedded bar is shaped in the bottom of described column at the bottom of the described post.
4. the railing structure of RPC column as claimed in claim 3 and steel pipe combination, it is characterized in that, described steel plate is provided with through hole, and described through hole is set in the link of described built-in connection, links into an integrated entity by described column of nut and described shield.
5. as the railing structure of each described RPC column of claim 1 to 4 and steel pipe combination, it is characterized in that, be provided with a plurality of through holes of lateral direction penetrating on the described column at vertical direction, described connection steel pipe passes described through hole respectively and connects each described column.
6. the railing structure of RPC column as claimed in claim 5 and steel pipe combination is characterized in that the lateral surface of described column is an arcwall face, and medial surface is the plane, and two aerofoils are inclined-plane or plane; Two aerofoils are provided with three described through holes, are equipped with three described connection steel pipes between per two adjacent columns.
7. the railing structure of RPC column as claimed in claim 5 and steel pipe combination is characterized in that described connection steel pipe is circular, square or oval steel pipe.
8. the railing structure of RPC column as claimed in claim 6 and steel pipe combination is characterized in that, the top that is connected between the described two adjacent columns connects the diameter of the diameter of steel pipe greater than middle part, bottom connection steel pipe.
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 |
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| 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 |
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| Country | Link |
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| 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 |
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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 |