CN203498754U - Cover beam upright post strut system - Google Patents
Cover beam upright post strut system Download PDFInfo
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- CN203498754U CN203498754U CN201320396965.8U CN201320396965U CN203498754U CN 203498754 U CN203498754 U CN 203498754U CN 201320396965 U CN201320396965 U CN 201320396965U CN 203498754 U CN203498754 U CN 203498754U
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- preformed hole
- support bar
- bent cap
- underbeam
- rod
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Abstract
The utility model belongs to the technical field of bridge construction, and particularly relates to a cover beam upright post strut system, which comprises a first support rod, a second support rod, a third support rod and a cover beam bracket, wherein a first preformed hole, a second preformed hole and a third preformed hole are formed in a bridge pier upright post, one ends of the three support rods are connected with one side of the cover beam bracket, the other ends of the three support rods are inserted into the three preformed holes, the three preformed holes penetrate through the bridge pier upright post, the three support rods pass through the three preformed holes, and the two ends of the three support rods respectively penetrate out of the three preformed holes to be respectively connected with the two sides of the cover beam bracket. The cover beam upright post strut system provided by the utility model has the advantages that the construction technical difficulty is small, the investment is small, the support rods can be repeatedly utilized, the turnover rate is high, in addition, the environment is not polluted, the operation is simple, the construction equipment investment is low, various defects of the traditional hoop cover beam system are fundamentally solved, the revolutionary significance is realized, and good application prospects are realized in the technical field of bridge construction.
Description
Technical field
The utility model belongs to technical field of bridge construction, is specifically related to a kind of bent cap column struts.
Background technology
Along with greatly developing of China's infrastructure, bridge construction project also increases gradually, in large city, across Hu Qiao, stream crossing bridge, across road and bridge and public iron overpass bridge, is seen everywhere.The formwork bracing system that bridge dyes Coping Construction has just become the important structure in bridge construction, good direct bridge construction progress, quality and the safety of affecting of support system.Traditional bent cap support system is to adopt anchor ear, utilizes frictional force between anchor ear and column as support.Such as: the Chinese patent that application number is 200910062708.9 discloses the working anchor ear angle-table bracket of a kind of large-span prestressed concrete bridge cantilever pouring, mainly by two anchor ears, two support bars and compound beam form, two anchor ear difference lock rings are on two pier columns, two support bar lower ends are connected with anchor ear lateral support platform welding respectively, front support point as compound beam, compound beam rear support point is the cap being connected with bridge pier, compound beam is fastenedly connected by clamping bar and high-strength pull bar and nut and cap, interconnect triangularity statically-indeterminate structure system.Although this kind structure is simple in structure, cost is low, has improved to a certain extent difficulty of construction, anchor ear need to check separately, and the check frictional force of need to progressively pressurizeing is processed the bad cunning that will produce and propped up, and affects construction quality.
Summary of the invention
The purpose of this utility model is for the problems referred to above, and a kind of bent cap column struts are provided, and is provided with hole in column, when concrete strength reaches 75%, penetrates rod iron or high-intensity macromolecular material rod, in order to dye template subiculum support system as lid.Difficulty of construction is little, less investment, support bar can be recycled, and turnover rate is high, takes full advantage of rod iron anti-shearing force, the feature of good stability.Free from environmental pollution, simple to operate, construction equipment less investment, at the bottom of cost, is easy to grasp widely applicable popularization.
For achieving the above object, the technical solution adopted in the utility model is: a kind of bent cap column struts, comprise the first support bar, the second support bar, the 3rd support bar and bent cap bracket, pier column is provided with the first preformed hole, the second preformed hole and the 3rd preformed hole, described the first preformed hole, the second preformed hole and the 3rd preformed hole are apart from pier column top 500～1000mm, described the first support bar, the second support bar, one end of the 3rd support bar is connected with a side of described bent cap bracket, described the first support bar, the second support bar, the other end of the 3rd support bar inserts described the first preformed hole, the second preformed hole and the 3rd preformed hole.Fundamentally removed the structure of anchor ear, made stress point transfer to pier column inside from pier column outside, thoroughly solved bent cap support system and may not prop up the problem of collapsing of skidding and causing due to anchor ear.Described preformed hole, apart from pier column top 500～1000mm, can make bent cap support system stressed more even, also makes bent cap convenient.
As preferably, described the 3rd preformed hole runs through described pier column, described the 3rd support bar is through described the 3rd preformed hole, the two ends of described the 3rd support bar all pass described the 3rd preformed hole and are connected respectively with the both sides of described bent cap bracket, described the 3rd preformed hole both sides are all stretched out at the two ends of described the 3rd support bar, and outreach is 400～600mm.Preformed hole runs through pier column, from pier column middle part, crosses perforation, and support bar passes along preformed hole, and preformed hole is all stretched out at two ends, and bent cap bracket is just erected at the top, two ends of support bar.So, the weight of whole bent cap bracket is just born on pier column, and because support bar is to pass from pier column middle part, just can not produce the potential safety hazard of skidding or dropping.This kind of erecting structure is safe and reliable, and easily realizes in work progress, and two ends are simultaneously stressed, makes whole bent cap support system balance and firm more.Described preformed hole both sides are all stretched out at the two ends of described support bar, when outreach is 400～600mm, just have enough spaces to set up bent cap bracket, further guarantee whole bent cap support system balance and firm more.
As preferably, on described the second preformed hole and the 3rd preformed hole along continuous straight runs, arrange.In prior art, the support bar of hooping structure tilts, and the moment of anchor ear increases greatly, and stress point also tilts, and guarantee enough holding capacity, just pays particular attention to selection and the construction method of anchor ear, has various potential safety hazards.And in the utility model, because preformed hole along continuous straight runs runs through pier column, make whole bent cap support system can under stable support, carry out bent cap, and to be subject to force direction be vertically downward, pier column enough bears its weight, and institute is so that system is steadily firm.
As preferably, described bent cap bracket comprises underbeam, fixed bar and adjusting rod, and described underbeam is connected with the end of described the first support bar, the second support bar, the 3rd support bar, and described adjusting rod is located on described underbeam.Underbeam, except being connected with support bar, also plays the effect of supporting superstructure; Fixed bar can have one or more, is distributed in the different parts of underbeam, and underbeam is fixed; Underbeam is provided with adjusting rod, regulates height, carries out bent cap rack construction on adjusting rod, and steel form is installed.
As preferably, described underbeam has two, and the two ends of described fixed bar are separately fixed on described two underbeams.Fixed bar can have one or more, is distributed in the different parts of underbeam, and two underbeams are docked, and two underbeams are fixed.
As preferably, described the first preformed hole, the second preformed hole and the 3rd preformed hole internal diameter are 80～160mm.In preformed hole, can add the pvc pipe that a caliber is slightly less than preformed hole, then support bar be inserted, the external diameter of support bar is slightly less than preformed hole, if be equipped with pvc pipe, the external diameter of support bar is slightly less than pvc pipe internal diameter.Gap between three can not be excessive, otherwise can cause looseningly, affects the stressed of bent cap support, only can be through being advisable with extracting with support bar.
As preferably, described the first support bar, the second support bar, the 3rd support bar are rod iron or macromolecular material rod.Rely on pier column preformed hole not affect pier column vertical applied force, in conjunction with the strong feature of rod iron anti-shear ability, or adopt high-intensity macromolecular material rod, as bent cap lower support system, make pier column bent cap in complete stability state.Treat that bent cap concreting completes, intensity reaches 100% when above, remove bent cap support system, extract rod iron or macromolecular material rod out, concrete preformed hole is adopted and carries out backfill with label slightly expanded concrete, rod iron or macromolecular material rod can reuse, and move on next group pier column and use.
As preferably, described macromolecular material rod is carbon fibre reinforced plastic rod or glass fiber reinforced plastics rod.Carbon fibre reinforced plastic and glass fiber reinforced plastics all have excellent mechanical property.Carbon fiber is through carbonization and graphitization processing and the micro crystal graphite material obtaining by organic fiber.The similar Delanium of microstructure of carbon fiber is random graphits structure.Carbon fiber is a kind of new material of mechanical property excellence, and its proportion is less than 1/4 of steel, and carbon fiber resin composite material tensile strength all more than 3500Mpa, is generally 7～9 times of steel, and tensile modulus of elasticity is that 23000～43000Mpa is also higher than steel.Therefore the specific strength of CFRP is more than the intensity of material and the ratio of its density can reach 2000Mpa/ (g/cm3), and the specific strength of A3 steel is only 59Mpa/ (g/cm3) left and right, and its specific modulus is also high than steel.Glass fiber reinforced plastics (FRP) is a kind of composite plastic that glass fiber reinforcement unsaturated polyester, epoxy resin and phenolic resins is matrix material of take.Glass fiber reinforced plastics hot strength approaches and even surpasses carbon steel, and intensity can match in excellence or beauty with high-grade alloy steel.More than the stretching of some fiber glass epoxy, bending and compressive strength even can reach 400 MPas.There is the features such as corrosion resistance and good, dielectric properties are good, hot property is good, designability is strong, manufacturability is good.Carbon fibre reinforced plastic, compares with traditional glass fiber (GF), and young's modulus of elasticity is that they are more than 3 times; And insoluble not swollen in organic solvent, acid, alkali, corrosion resistance is transcendent.
As preferably, described underbeam is No. 32 i iron, and described fixed bar is iron, between described underbeam and described fixed bar, is welded to connect.
As preferably, described adjusting rod is that cross-sectional area is foursquare batten.
The utility model provides a kind of bent cap column struts, is provided with hole in column, when concrete strength reaches 75%, penetrates rod iron or high-intensity macromolecular material rod, in order to dye template subiculum support system as lid.Construction difficulty is little, less investment, support bar can be recycled, and turnover rate is high, takes full advantage of rod iron anti-shearing force, the feature of good stability.Free from environmental pollution, simple to operate, construction equipment less investment, at the bottom of cost, is easy to grasp widely applicable popularization.A lot of drawbacks fundamentally having solved traditional anchor ear bent cap support system, have revolutionary meaning, in technical field of bridge construction, will have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of bent cap column struts of embodiment 1.
Fig. 2 is the structural representation of a kind of bent cap column struts of embodiment 2.
Fig. 3 is the structural representation of a kind of bent cap column struts of embodiment 3.
In figure: 1-bent cap bracket; 11-adjusting rod; 12-underbeam; 13-fixed bar; The 21-the first support bar; The 22-the second support bar; The 23-the three support bar; The 31-the first preformed hole; The 32-the second preformed hole; The 33-the three preformed hole; 4-pier column; 5-pvc pipe.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described in detail.
As shown in Figure 1, a kind of bent cap column struts, comprise the first support bar 21 and bent cap bracket 1, pier column 4 is provided with the first preformed hole 31, described the first preformed hole 31 is apart from pier column 4 top 500mm, one end of described the first support bar 21 is connected with a side of described bent cap bracket 1, and the other end of described the first support bar 21 inserts described the first preformed hole 31.
Described bent cap bracket 1 comprises underbeam 12, fixed bar 13 and adjusting rod 11, and described underbeam 12 is connected with the end of described the first support bar 21, and described adjusting rod 11 is located on described underbeam 12.13 pairs of underbeams of described fixed bar, 12 its fixations.
Described the first preformed hole 31 internal diameters are 100mm.
Described the first support bar 21 is rod iron or macromolecular material rod, and external diameter is slightly less than the internal diameter of the first preformed hole 31.
If adopt macromolecular material rod, described macromolecular material rod can be carbon fibre reinforced plastic rod or glass fiber reinforced plastics rod.
Described underbeam 12 is No. 32 i iron, and described fixed bar 13 is iron, between described underbeam 12 and described fixed bar 13, is welded to connect.
Described adjusting rod 11 for cross-sectional area be foursquare batten.
Embodiment 2
As shown in Figure 2, a kind of bent cap column struts, comprise the second support bar 22 and bent cap bracket 1, pier column 4 is provided with the second preformed hole 32, described the second preformed hole 32 is apart from pier column 4 top 900mm, one end of described the second support bar 22 is connected with a side of described bent cap bracket 1, and the other end of described the second support bar 22 inserts described the second preformed hole 32.
On described the second preformed hole 32 along continuous straight runs, arrange.
Described bent cap bracket 1 comprises underbeam 12, fixed bar 13 and adjusting rod 11, and described underbeam 12 is connected with the end of described the second support bar 22, and described adjusting rod 11 is located on described underbeam 12.
Described the second preformed hole 32 internal diameters are 140mm.
Described the second support bar 22 is rod iron or macromolecular material rod, and external diameter is slightly less than the internal diameter of the second preformed hole 32.
If adopt macromolecular material rod, described macromolecular material rod can be carbon fibre reinforced plastic rod or glass fiber reinforced plastics rod.
Described underbeam 12 is No. 32 i iron, and described fixed bar 13 is iron, between described underbeam 12 and described fixed bar 13, is welded to connect.
Described adjusting rod 11 for cross-sectional area be foursquare batten.
Embodiment 3
As shown in Figure 3, a kind of bent cap column struts, comprise the 3rd support bar 23 and bent cap bracket 1, pier column 4 is provided with the 3rd preformed hole 33, described the 3rd preformed hole 33 is apart from pier column 4 top 700mm, one end of described the 3rd support bar 23 is connected with a side of described bent cap bracket 1, and the other end of described the 3rd support bar 23 inserts described the 3rd preformed hole 33.When concrete strength reaches 75%, penetrate the 3rd support bar 23, in order to dye template subiculum support system as lid.Treat that bent cap concreting completes, intensity reaches 100% when above, removes bent cap support system, extract the 3rd support bar 23 out, concrete the 3rd preformed hole 33 is adopted and carries out backfill with label slightly expanded concrete, and the 3rd support bar 23 can reuse, and moves on next group pier column 4 and uses.
Described the 3rd preformed hole 33 runs through described pier column 4, described the 3rd support bar 23 is through described the 3rd preformed hole 33, the two ends of described the 3rd support bar 23 all pass described preformed hole 33 and are connected respectively with the both sides of described bent cap bracket 1, described the 3rd preformed hole 33 both sides are all stretched out at the two ends of described the 3rd support bar 23, and outreach is 400～600mm.
On described the 3rd preformed hole 33 along continuous straight runs, arrange.
Described bent cap bracket 1 comprises underbeam 12, fixed bar 13 and adjusting rod 11, and described underbeam 12 is connected with the end of described the 3rd support bar 23, and described adjusting rod 11 is located on described underbeam 12.
Described underbeam 12 has two, and the two ends of described fixed bar 13 are separately fixed on described two underbeams 12.Fixed bar 13 has 5, is distributed in the different parts of underbeam 12, and two underbeams 12 are docked, and two underbeams 12 are fixed.
Described the 3rd preformed hole 33 internal diameters are 120mm.In the 3rd preformed hole 33, added the pvc pipe 5 that a caliber is slightly less than the 3rd preformed hole 33, then the 3rd support bar 23 has been inserted, the external diameter of the 3rd support bar 23 is slightly less than pvc pipe 3 internal diameters.Gap between three can not be excessive, otherwise can cause looseningly, affects the stressed of bent cap bracket 1, only can be through being advisable with extracting with the 3rd support bar 23.
Described the 3rd support bar 23 is rod iron or macromolecular material rod, and external diameter is slightly less than the internal diameter of the 3rd preformed hole 33.
If adopt macromolecular material rod, described macromolecular material rod is carbon fibre reinforced plastic rod or glass fiber reinforced plastics rod.
Described underbeam 12 is No. 32 i iron, and described fixed bar 13 is iron, between described underbeam 12 and described fixed bar 13, is welded to connect.
Described adjusting rod 11 for cross-sectional area be foursquare batten.
With way of example, the utility model is illustrated above, but the utility model is not limited to above-mentioned specific embodiment, all any improvement of doing based on the utility model or modification all belong to the protection domain of the utility model claim.
Claims (10)
1. bent cap column struts, comprise the first support bar (21), the second support bar (22), the 3rd support bar (23) and bent cap bracket (1), it is characterized in that: pier column (4) is provided with the first preformed hole (31), the second preformed hole (32) and the 3rd preformed hole (33), described the first preformed hole (31), the second preformed hole (32) and the 3rd preformed hole (33) are apart from pier column (4) top 500～1000mm, described the first support bar (21), the second support bar (22), one end of the 3rd support bar (23) is connected with a side of described bent cap bracket (1), described the first support bar (21), the second support bar (22), the other end of the 3rd support bar (23) inserts described the first preformed hole (31), the second preformed hole (32) and the 3rd preformed hole (33).
2. a kind of bent cap column struts according to claim 1, it is characterized in that: described the 3rd preformed hole (33) runs through described pier column (4), described the 3rd support bar (23) is through described the 3rd preformed hole (33), the two ends of described the 3rd support bar (23) all pass described the 3rd preformed hole (33) and are connected respectively with the both sides of described bent cap bracket (1), described the 3rd preformed hole (33) both sides are all stretched out at the two ends of described the 3rd support bar (23), and outreach is 400～600mm.
3. a kind of bent cap column struts according to claim 1 and 2, is characterized in that: on described the second preformed hole (32) and the 3rd preformed hole (33) along continuous straight runs, arrange.
4. a kind of bent cap column struts according to claim 1 and 2, it is characterized in that: described bent cap bracket (1) comprises underbeam (12), fixed bar (13) and adjusting rod (11), described underbeam (12) is connected with the end of described the first support bar (21), the second support bar (22), the 3rd support bar (23), and described adjusting rod (11) is located on described underbeam (12).
5. a kind of bent cap column struts according to claim 4, is characterized in that: described underbeam (12) has two, and the two ends of described fixed bar (13) are separately fixed on described two underbeams (12).
6. a kind of bent cap column struts according to claim 1, is characterized in that: described the first preformed hole (31), the second preformed hole (32) and the 3rd preformed hole (33) internal diameter are 80～160mm.
7. a kind of bent cap column struts according to claim 1, is characterized in that: described the first support bar (21), the second support bar (22), the 3rd support bar (23) are rod iron or macromolecular material rod.
8. a kind of bent cap column struts according to claim 7, is characterized in that: described macromolecular material rod is carbon fibre reinforced plastic rod or glass fiber reinforced plastics rod.
9. a kind of bent cap column struts according to claim 4, it is characterized in that: described underbeam (12) is No. 32 i iron, described fixed bar (13) is iron, between described underbeam (12) and described fixed bar (13), is welded to connect.
10. a kind of bent cap column struts according to claim 4, is characterized in that: described adjusting rod (11) for cross-sectional area be foursquare batten.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396965.8U CN203498754U (en) | 2013-07-02 | 2013-07-02 | Cover beam upright post strut system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396965.8U CN203498754U (en) | 2013-07-02 | 2013-07-02 | Cover beam upright post strut system |
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| Publication Number | Publication Date |
|---|---|
| CN203498754U true CN203498754U (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320396965.8U Expired - Fee Related CN203498754U (en) | 2013-07-02 | 2013-07-02 | Cover beam upright post strut system |
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| CN (1) | CN203498754U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921796A (en) * | 2021-04-02 | 2021-06-08 | 樊涛 | Reinforced steel structure bridge prefabricated assembly |
-
2013
- 2013-07-02 CN CN201320396965.8U patent/CN203498754U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921796A (en) * | 2021-04-02 | 2021-06-08 | 樊涛 | Reinforced steel structure bridge prefabricated assembly |
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Granted publication date: 20140326 Termination date: 20160702 |