CN203128999U - Prestress reinforced concrete combined type girder plate structure - Google Patents
Prestress reinforced concrete combined type girder plate structure Download PDFInfo
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- CN203128999U CN203128999U CN 201320052281 CN201320052281U CN203128999U CN 203128999 U CN203128999 U CN 203128999U CN 201320052281 CN201320052281 CN 201320052281 CN 201320052281 U CN201320052281 U CN 201320052281U CN 203128999 U CN203128999 U CN 203128999U
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Abstract
The utility model discloses a prestress reinforced concrete combined type girder plate structure. A girder plate is formed by single element bodies in an assembling mode. Each single element body is formed by an upper layer corrugated steel plate and a lower layer corrugated steel plate which are symmetrically buckled, a plurality of cavity column bodies are formed by the upper layer corrugated steel plate and the lower layer corrugated steel plate, reinforcing steel bars are arranged in the cavity column bodies, and concrete is filled into the cavity column bodies. The prestress reinforced concrete combined type girder plate structure has the advantages that the girder plate can be assembled in multiple sheets and multiple sections, the whole of the girder plate can be prefabricated in a factory as well, or the girder plate can be prefabricated after the corrugated steel plates are transported to a field, construction is convenient and simple, construction period is short, and girder plate steel using amount is reduced, so that cost is greatly saved; and the advantages of the precision rolling prestress reinforcing steel bars, the corrugated steel plates and the concrete are fully used, the precision rolling prestress reinforcing steel bars, the corrugated steel plates and the concrete are interacted with one another ingeniously, and compared with a concrete structure with the same level, the prestress reinforced concrete combined type girder plate structure reduces sections, saves materials and achieves linear beauty.
Description
Technical field
The utility model relates to a kind of beam and slab structure, relates in particular to a kind of prestressing force steel reinforced concrete combined type beam and slab structure of road and bridge construction field.
Background technology
At present, the prestressing force beam slab in the highway construction adopts that precasting yard is prefabricated, the mode of on-site hoisting is constructed more, and this mode needs transportation and the lifting appliance of corresponding tonnage; The perhaps construction of cast in situs beam slab post tensioning prestressed reinforcement and anchoring in this mode, though do not need to transport beam slab, needs turnover materials such as a large amount of templates, scaffold, and reinforcing bar is processed and colligation.The tradition engineering is to the place, manually have certain requirement, to cause construction sequence, floor manager loaded down with trivial details, material supply and control workload are bigger, simultaneously, higher to local constructional materials material, consumption requirement and construction technical requirement, common full hall formula support system is also bigger to the demand of circulation material.In addition, because concrete loose structure, make the corrosion thing that exists in the surrounding environment enter inside concrete and cause corrosion; If around be that salt environment is arranged, chlorion is penetrated into around the reinforcing bar by concrete loose structure, has accelerated the corrosion rate of reinforcing bar because the corrosion product volume expansion of iron and steel, the stress rupture of generation concrete structure; In wet environment, ambient water multigelation in the concrete loose structure also can destroy concrete structure
The utility model content
The utility model purpose: the purpose of this utility model provide a kind of cross section little, in light weight, be convenient to deposit that transportation, construction technology are simple, assembling fast, the construction period is short, and the prestressing force steel reinforced concrete combined type beam and slab structure of concrete durability also can be guaranteed in the relatively poor place of environment around.
Technical scheme: prestressing force steel reinforced concrete combined type beam and slab structure described in the utility model, assembled by single member body, described single member body is fastened by upper strata corrugated steel and lower floor's corrugated steel symmetry, this corrugated steel is selected the hot rolled steel plate of Q345 or higher level for use, and is zinc-plated anticorrosion type or the dual anticorrosion shaped steel of zinc-plated overlay film plate; The contact portion of two-layer corrugated steel connects with the corrosion resistance bolt; Form several cavity cylinders up and down between the two-layer corrugated steel, the thickness of cavity cylinder generally will surpass 500mm, and namely two-layer corrugated steel wave crest also is the twice of corrugated steel wave height to the distance of wave crest, and the pitch of waves of ripple generally is greater than 600mm; In each cavity cylinder, the finish rolling deformed bar that one or more has sheath is set, the diameter of finish rolling deformed bar is generally greater than 40mm, its tensile strength should be greater than 830Mpa, yield strength should be greater than 730Mpa, in each cavity, fill the plain concrete that label is higher than C40 then, treat that concrete has respective strengths post tensioning finish rolling deformed bar and anchoring.
Because the constraint of corrugated steel and the prestressing force of finish rolling deformed bar, make concrete after the filling be in the high strength stable state of X, Y, Z three dimension stress, and the corrugated steel of both sides plays longitudinal reinforcement, laterally cuff and three effects of construction formwork simultaneously, and, steel plate itself has just had great second moment of area after forming bellows-shaped, compressive strength is greatly improved, and high strength connecting bolt and fill concrete, the waveform unstability of the corrugated sheet that limits simultaneously again.Like this, the cavity cylinder has just had very strong compressive strength filling the corrugated steel combining structure that forms behind the plain concrete.So just made the long slab body (hereinafter to be referred as single member body) of single-piece, the bolted mode of a plurality of single piece bodies is formed the bridge beam slab.According to different requirements, the prestress value of finish rolling reinforcing bar can be regulated, but the assembling of beam slab more piece.After so structure was finished, the bottom tensile strength of beam slab was mainly born with finish rolling deformed bar and lower corrugation steel plate, simultaneously, in order further to strengthen the tensile strength of beam slab, spiral reinforcement and inner reinforcing bar can be set in the cavity cylinder; And the load on the top of beam slab, mainly born by concrete and upper corrugation steel plate, the pressurized rigidity of steel plate has been improved in the waveform cross section of steel plate, thereby significantly reduced rolled steel dosage, connect the high-strength bolt of two-layer corrugated steel and the waveform unstability that the plain concrete after the filling has limited corrugated steel again simultaneously simultaneously, also reduced the thickness of corrugated steel, steel have been saved, and, owing to the shroud ring effect of two-layer corrugated steel, limited the unstability of the vertical cylinder of plain concrete, significantly reduced the consumption of plain concrete, owing to adopted autofrettage, the length of beam slab can significantly lengthen simultaneously.
Beneficial effect: the utility model compared with prior art, its advantage assembles for this beam and slab structure adopts the prestressing force corrugated steel concrete component of single-piece, can multi-disc, the more piece assembly unit, also can all be prefabricated in the factory, it is prefabricated perhaps corrugated cardboard sheet to be transported to on-the-spot back, easy construction is simple, short construction period, has reduced the beam slab rolled steel dosage, has saved cost greatly.Steel plate itself has great second moment of area after forming bellows-shaped, improved the anti-column unstability ability of steel plate, simultaneously, but the corrugated cardboard sheet standardized production, be beneficial to the production and processing of production line formula and the preservative treatment of production line formula, reduce manufacturing cost greatly, in addition, the stackable transportation of corrugated cardboard sheet, it is little to take up room, improved capacity and freight volume greatly, lowered cost of transportation, and solved long-distance transport or remote districts or the road conditions that transfinite have been arranged to the transport restrictions of super large spare goods and materials.In the cavity that two-layer corrugated sheet forms, fill plain concrete, reduced concrete amount, saved cost, and do not needed numerous and diverse assembling reinforcement operation, reduction of erection time.Take full advantage of finish rolling prestressed reinforcement, corrugated steel and concrete advantage, and the three is interacted dexterously.Reduce than concrete type structural section at the same level, economical with materials is linear attractive in appearance.
Description of drawings
Fig. 1 is the structural representation of the utility model list member body;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is the B-B sectional view of Fig. 1;
Fig. 4 is the connection layout of the utility model list member body;
Fig. 5 is connected node enlarged drawing between plate.
The specific embodiment:
As shown in the figure, process standard compliant big waveform corrugated steel in advance, wave height is generally greater than 250mm, and the pitch of waves is greater than 600mm, and material is Q345 or higher level hot rolled steel plate, and steel plate will spray (galvanizing by dipping) preservative treatment in its surface behind the processing waveform.Spiral reinforcement 10 and inner reinforcing bar 11 are installed in colligation on lower floor's corrugated steel 2, and spiral reinforcement and inner reinforcing bar all adopt plain bars.Put into the finish rolling deformed bar 3 of band sheath 9 then, this finish rolling deformed bar 3 is indented bars for prestressed concrete, be that a kind of special shape has discontinuous externally threaded vertical bar reinforcing bar, this reinforcing bar is at any section, all can with the connector that has internal thread or ground tackle connects or anchoring, this reinforcing bar also can adopt the just screwed high-strength screw rod at two ends, as long as can reach technical requirements, sheath 9 is the helical ripple pipe of PVC material or metal material.Upper strata corrugated steel 1 is buckled on this corrugated steel, check that each component locations is accurate after, with bolt 5 two-layer corrugated steel is tightened, bolt 5 is high-strength corrosion-resisting galvanizing bolt, the galvanizing amount is greater than 350g/m
2, strength grade is more than or equal to 8.8 grades.Fluid concrete 4 then, and this concrete 4 has can realize the slump of the present utility model and intensity, and label should be more than C40.When treating that concrete has respective strengths, finish rolling deformed bar 3 also uses finish rolling deformed bar nut 7 with its anchoring in the stretch-draw beam slab, so just constitute the long slab body of single-piece, certainly, can finish rolling deformed bar 3 have been connected into the reinforcing bar of respective length with the special-purpose attaching nut 6 of finish rolling reinforcing bar.Then single member body is become the prestressing force beam slab by connecting with corrugated steel 8 composite assemblies.At last the prestressing force beam slab is transported to on-site consolidation, has namely formed Bridge Beam portion.
Claims (10)
1. prestressing force steel reinforced concrete combined type beam and slab structure, it is characterized in that: assembled by single member body, described single member body is fastened by upper strata corrugated steel (1) and lower floor's corrugated steel (2) symmetry, two-layer corrugated steel forms several cavity cylinders up and down, reinforcing bar (3) is set therein, and fill concrete (4).
2. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 1 is characterized in that: described up and down two-layer corrugated steel employing corrosion resistance bolt (5) connection.
3. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 1, it is characterized in that: described corrugated steel is selected the hot rolled steel plate of Q345 or higher level for use.
4. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 1, it is characterized in that: described corrugated steel is zinc-plated anticorrosion type or the dual anticorrosion shaped steel of zinc-plated overlay film plate.
5. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 1, it is characterized in that: described reinforcing bar (3) is finish rolling deformed bar.
6. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 1, it is characterized in that: described reinforcing bar (3) has sheath (9).
7. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 1, it is characterized in that: described concrete (4) is higher than the plain concrete of C40 for label.
8. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 1 is characterized in that: described single member body connects by connecting with corrugated steel (8).
9. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 1 is characterized in that: spiral reinforcement (10) is set in the described cavity cylinder.
10. prestressing force steel reinforced concrete combined type beam and slab structure according to claim 8 is characterized in that: inner reinforcing bar (11) is set in the described cavity cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052281 CN203128999U (en) | 2013-01-30 | 2013-01-30 | Prestress reinforced concrete combined type girder plate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320052281 CN203128999U (en) | 2013-01-30 | 2013-01-30 | Prestress reinforced concrete combined type girder plate structure |
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| Publication Number | Publication Date |
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| CN203128999U true CN203128999U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320052281 Expired - Fee Related CN203128999U (en) | 2013-01-30 | 2013-01-30 | Prestress reinforced concrete combined type girder plate structure |
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| CN (1) | CN203128999U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669974A (en) * | 2013-11-18 | 2014-03-26 | 南京联众建设工程技术有限公司 | Prestressed reinforced concrete combined type tower column structure |
| CN106760238A (en) * | 2016-12-07 | 2017-05-31 | 青岛蓝天创先科技服务有限公司 | The foam concrete composite color steel plate and processing method of a kind of double-deck ripple superimposed |
| CN106760236A (en) * | 2016-12-04 | 2017-05-31 | 青岛蓝天创先科技服务有限公司 | A kind of compound arched roof panel of armored concrete of double-deck corrugated steel superposition |
| CN108103888A (en) * | 2018-01-31 | 2018-06-01 | 广州大学 | A kind of post-stressed conductive concrete structures and preparation method thereof |
-
2013
- 2013-01-30 CN CN 201320052281 patent/CN203128999U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669974A (en) * | 2013-11-18 | 2014-03-26 | 南京联众建设工程技术有限公司 | Prestressed reinforced concrete combined type tower column structure |
| CN106760236A (en) * | 2016-12-04 | 2017-05-31 | 青岛蓝天创先科技服务有限公司 | A kind of compound arched roof panel of armored concrete of double-deck corrugated steel superposition |
| CN106760238A (en) * | 2016-12-07 | 2017-05-31 | 青岛蓝天创先科技服务有限公司 | The foam concrete composite color steel plate and processing method of a kind of double-deck ripple superimposed |
| CN108103888A (en) * | 2018-01-31 | 2018-06-01 | 广州大学 | A kind of post-stressed conductive concrete structures and preparation method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211215 Zhetang Town Industrial Park, Lishui District, Nanjing City, Jiangsu Province Patentee after: NANJING LIANZHONG ENGINEERING TECHNOLOGY Co.,Ltd. Address before: 211215 No. 331 Zhening East Road, Zhetang Industrial Concentration Zone, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Patentee before: NANJING LIANZHONG CONSTRUCTION ENGINEERING TECHNOLOGY Co.,Ltd. |
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| 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: 20130814 Termination date: 20220130 |