CN104594183A - Assembling type reinforced concrete T-shaped beam - Google Patents
Assembling type reinforced concrete T-shaped beam Download PDFInfo
- Publication number
- CN104594183A CN104594183A CN201410777551.9A CN201410777551A CN104594183A CN 104594183 A CN104594183 A CN 104594183A CN 201410777551 A CN201410777551 A CN 201410777551A CN 104594183 A CN104594183 A CN 104594183A
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- plate
- shaped beam
- top board
- reinforced concrete
- steel
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
- E01D2101/285—Composite prestressed concrete-metal
Abstract
The invention discloses an assembling type reinforced concrete T-shaped beam which comprises a bottom plate, a top plate and wavy vertical steel plates arranged between the bottom plate and the top plate. The upper end face and the lower end face of each wavy vertical steel plate are provided with horizontal steel plate connectors and each wavy vertical steel plate is connected with the bottom plate and the top plate through the connectors respectively. Reinforcing head plates are arranged at the two ends of the beam and welded to or connected with the bottom plate, the top plate and the wavy vertical steel plates through the connectors respectively. Bearing partitions are arranged between the two reinforcing plates and connected with the top plate and the wavy vertical steel plates through the connectors respectively. A prestress wire penetrating pipe sequentially penetrating through the bearing partitions is arranged between the two reinforcing head plates, wherein a prestress bundle penetrates through the prestress wire penetrating pipe. The prestress bundle transmits prestress to the bottom plate and the top plate through the bearing partitions, so that a prestress reinforced T-shaped beam is formed. By the adoption of the technical scheme of the beam, factory prefabricated components are adopted for being simply combined and spliced on a site, structural bearing force is improved by exerting prestress, the single span can reach 60 m, and the assembling type reinforced concrete T-shaped beam is simple in structure, durable in bearing operation and low in investment cost.
Description
Technical field
The bridge that the invention belongs to bridge collapses field of structural design, is specifically related to the T-shaped beam of a kind of assembly type steel reinforced concrete.
Background technology
The beam slab of current highway or railway bridge, bridge deck, has steel reinforced concrete beam, has reinforced concrete beam, also have assembling steel reinforced concrete case beam.For steel reinforced concrete beam, its clean steel beam cost is high, investment is large; For reinforced concrete beam, large, the prefabricated difficulty of its T-shape beam weight is large, needs field fabrication, required long in time limit; And existing steel reinforced concrete assembly type box beam, span is limited, general beam length at below 30m, market in urgent need deadweight is little, structure is simple, prefabricated difficulty is little, in reliable in quality across footpath bridge deck beam slab.
Summary of the invention
The technical problem to be solved in the present invention is to provide the T-shaped beam of a kind of assembly type steel reinforced concrete, it adopts factory-made component, scene composite assembly simply, and improve structural bearing capacity by Shi Hanzhang, single span can reach the assembling beam of 60m, and the T-shaped girder construction of this assembly type steel reinforced concrete is simple, it is durable to carry, reliable in quality, cost of investment are low.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
The T-shaped beam of a kind of assembly type steel reinforced concrete, comprises base plate, top board and is arranged on the waveform Steel vertical plate between base plate and top board; The both ends of the surface up and down of described waveform Steel vertical plate are respectively equipped with horizontal steel plate and are connected with base plate and top board respectively by connector; The two ends of base plate arrange strengthen head plate, by connector respectively top board to be connected with waveform Steel vertical plate or to weld; The both sides of waveform Steel vertical plate are provided with carrying dividing plate, are connected respectively or weld by connector with base plate, top board and waveform Steel vertical plate; Strengthen arranging between head plate successively through carrying dividing plate, the prestressing force penetration pipe being installed with prestressing tendon two, described prestressing tendon forms prestressing force by carrying dividing plate transmission prestressing force to top board and strengthens T-shaped beam.
Described prestressing force penetration pipe along along bridge to axis be recessed geometric shape, formed suitable bridge to pendency arcuation, after its pendency radian and beam body design Shi Hanzhang, the pendency radian of prestressing tendon matches, and the combination forming cambered surface on prestressing tendon and prestressing force penetration pipe inwall realizes bearing stress transmit mode.
Preferably, between described reinforcement head plate, be symmetrical arranged twice prestressing force penetration pipe, described prestressing force penetration pipe two ends flange is connected with the prestress anchoraging backing plate strengthened on head plate; Described prestressing force penetration pipe is formed by connecting by outer tube, turnbuckle by more than 3 sections, or Flange joint.
Base plate is welded with connection board, connection board upper surface is welded with horizontal steel plate junction plate, described longitudinal junction plate is provided with the through hole corresponding with described horizontal steel plate.
Described reinforcement head plate comprises two parallel steel plates and is connected frame construction that gusset formed, forms one by the concrete be cast between two parallel steel plates, and the steel plate being arranged on inner side is also provided with muscle floor outward.
In technique scheme, the horizontal steel plate of the upper and lower end face welding of waveform Steel vertical plate is provided with the through hole corresponding with top board and base plate, connects with connectors such as bolts; Flanging on carrying dividing plate is used for being connected with top board, base plate and waveform Steel vertical plate, also can not weld at the scene by flanging.The mode adopting above-mentioned split type preparation, the connection of on-the-spot bolt or weld, is convenient to site operation, Simplified flowsheet on the one hand, is convenient to the transport of prefabrication and component on the other hand.Prestressing tendon is anchored at by tension-adjusting gear to be strengthened on head plate, at the two ends Shi Hanzhang of prestressing tendon, grouting methol, this prestressing force is loaded on top board by the reinforcement head plate at carrying dividing plate and two ends, top board is made to form micro-arch, be conducive to member stress, offset the downwarp of carrying situation lower member, be applicable in 30-60m across footpath bridge deck beam slab.
The beneficial effect adopting technique scheme to produce is: (1) bridge deck of the present invention beam slab is by strengthening head plate, utilizing symmetrically arranged prestressing tendon to make top board form micro-arch, offset the downwarp of carrying situation lower member, improve shock resistance and the load-carrying properties of the T-shaped beam of steel reinforced concrete in the present invention; (2) base plate in the present invention, waveform Steel vertical plate, carrying dividing plate and top board all can prefabrication assemblings, and bridge construction is simple, from heavy and light; (3) only need top board during site operation, strengthen head plate, carrying dividing plate and base plate by the connection of the connector such as bolt or welding, construction technology is simple, the duration is short, can realize batch production component and produce, Assembling.
Accompanying drawing explanation
Fig. 1 be the present invention along bridge to sectional structure schematic diagram;
Fig. 2 be in Fig. 1 A-A to sectional structure schematic diagram;
Fig. 3 is the structural representation of muscle floor of the present invention
Fig. 4 is the embodiment of middle base plate and waveform Steel vertical plate syndeton;
Wherein, 1, top board, 2, prestressing force penetration pipe, 2-1, prestressing tendon, 3, strengthen head plate, 3-1, back veneer, 4, base plate, 5, waveform Steel vertical plate, 7, muscle floor, 8, carrying dividing plate, 12, connection board, 13, longitudinal junction plate.
Detailed description of the invention
See Fig. 1 ~ Fig. 2, the present embodiment relates to the T-shaped beam of a kind of assembly type steel reinforced concrete, the waveform Steel vertical plate 5 comprising base plate 4, top board 1 and be arranged between base plate 4 and top board 1; The both ends of the surface up and down of described waveform Steel vertical plate 5 be provided with horizontal steel plate as junction plate, to be connected with base plate 4 and top board 1 respectively by connectors such as bolts or directly to weld with base plate and top board, two ends on base plate arrange to have respectively to be strengthened head plate 3, is connected or weld with base plate 4 and top board 1 and waveform Steel vertical plate 5 by connector respectively, arranges some carrying dividing plates 8, be connected or directly weld with base plate, top board 1 and waveform Steel vertical plate 5 by connector respectively between the both sides of waveform Steel vertical plate 5, two reinforcement head plates 3; Strengthen arranging between head plates 3 successively through carrying dividing plate 8, the prestressing force penetration pipe 2 being installed with prestressing tendon 2-1 two, described prestressing tendon 2-1 transmits prestressing force by carrying dividing plate 8 and forms prestressing force to top board 1 and strengthen T-shaped beam.In the present embodiment, top board 1, base plate 4, waveform Steel vertical plate 5, carrying dividing plate 8 and reinforcement head plate 3 are all prefabricated in the factory, be convenient to suitability for industrialized production, and machining accuracy is high, be conducive to the reduction of erection time, various component separately transports, efficiently solve precast beam volume large, from great and technical problem that is that cannot transport, under the condition of effectively ensuring the quality of products, reduce construction cost.
Described prestressing force penetration pipe 2 along along bridge to axis be recessed geometric shape, formed suitable bridge to pendency arcuation, after its pendency radian and beam body design Shi Hanzhang, the pendency radian of prestressing tendon 2-1 matches, central bottom is fixedly connected with base plate 4, and the combination forming cambered surface on prestressing tendon 2-1 and prestressing force penetration pipe 2 inwall realizes bearing stress transmit mode.On described reinforcement head plate 3, be symmetrically arranged with twice prestressing force penetration pipe 2, described prestressing force penetration pipe 2 two ends flange is connected with the prestress anchoraging backing plate strengthened on head plate 3; Described prestressing force penetration pipe 2 is formed by connecting by outer tube, turnbuckle by more than 3 sections.After Shi Hanzhang, prestressing force penetration pipe 2 adopts welding manner to be fixed together with carrying dividing plate 8, and to grouting methol in penetration pipe prestressing force 2 after Shi Hanzhang.
Base plate 4 is welded with connection board 12, connection board 12 upper surface is welded with longitudinal junction plate 13, described longitudinal junction plate 13 is provided with the through hole corresponding with the horizontal steel plate of described waveform Steel vertical plate lower end.
The width of described longitudinal junction plate 13 mates with the horizontal steel plate of waveform Steel vertical plate, all wide than waveform Steel vertical plate 5 wave height 2 ~ 10cm.
Described reinforcement head plate 3 comprises two parallel steel plates and is connected frame construction that gusset formed, forms one by the concrete be cast between two parallel steel plates.The upper and lower end face of described steel plate is equipped with ectotropic right angle flanging, in " ］ " shape, described flanging is respectively equipped with the screwed hole corresponding with base plate 4 and top board 1.
Described reinforcement head plate 3 upper lateral width and top board 1 coincide, lower, transverse width is identical with base plate 4.
Described carrying dividing plate 8 is by parallel Steel vertical plate and the frame construction being connected gusset assembly welding one-tenth, described Steel vertical plate can weld, also at the top of Steel vertical plate and the link flanging respectively with waveform Steel vertical plate 5, flanging can arrange the screwed hole corresponding with top board 1 and waveform Steel vertical plate 5.
Concrete, T-shape steel reinforced concrete assembling beam of the present invention comprises factory-made component and site operation two parts.Wherein factory-made component structure is as follows:
One, base plate 4, for one or more rectangular tube is spliced side by side.It can adopt following processing method: 1. steel plate is processed into pipe, then cold rolling orthogonal pipe, then more than 2 rectangular tubes arranged side by side are connected into the base plate of multi-chamber with the form that sidewall connects; 2. steel plate is processed into " Qian " shape, then the sidewall of " Qian " shape steel plate is connected by bolt, then welded cover plate forms the base plate of multi-chamber.
Base plate 4 welds a connection board 12 along its axial direction, and it is highly general at about 20cm.Connection board 12 adopts waveform, improves its stability.Connection board 12 upper end welding one, with longitudinal junction plate 13 of screw, for being connected with the waveform Steel vertical plate 3 on top, forms the floor combination with vertical Connection Block on base plate, as shown in Figure 4.
Base plate can be divided into some sections, and the connection between section and section adopts outer pasting board to connect, and outer pasting board is arranged on the two base plate seam crossings be connected and is encased in the bottom surface and side of splicing two base plates mutually, is about 80cm-120cm, connects with bolt.
Two, waveform Steel vertical plate 5, spacing between top board 1 and base plate 4.At waveform Steel vertical plate 5 upper/lower terminal face weld horizontal steel plate or steel band connector, horizontal steel plate be provided with described longitudinal junction plate 13 and with corresponding bolt hole on top board 1.Waveform Steel vertical plate 5 longitudinally two termination welding strengthens head plate 3, or prepared screw-bolt hole, is fixedly connected with reinforcement head plate 3 with bolt.
Waveform Steel vertical plate 5 can be divided into some sections, can adopt directly to overlap to weld between section with section, or directly overlaps bolt connection; Or directly dock welding, or connect with pasting board, bolt after docking.
Described reinforcement head plate 3 structure comprises two parallel steel plates and is connected frame construction that gusset formed, forms one by the concrete be cast between two parallel steel plates, be positioned between base plate 4 and top board 1, steel plate facade offers the through hole corresponding with described prestressing force penetration pipe 2.
Three, head plate 3 is strengthened
1, shape, lower end is wide, and junction plate is identical above with base plate 4, and upper end is wide to coincide with top board 1 bottom surface.
2, structure: be integrally formed structure by the steel plate be parallel to each other and the cement concrete be cast between two steel plates, is provided with weldering nail, the flange that first should install anchoring backing plate before fluid concrete and be connected with prestressing force penetration pipe between two steel plates.The top of two steel plates and bottom are equipped with ectotropic right angle flanging, flanging are respectively equipped with the screwed hole corresponding with base plate 4 and top board 1, also directly can not weld and weld with base plate 4 and top board 1 by flanging for being connected with base plate 4 and top board 1.
Be arranged on outside the steel plate inside reinforcement head plate 3 and be welded with muscle floor, muscle floor 7 is connected with base plate 4, and the structure of muscle floor 7 is as Fig. 3.
Four, prestressing force penetration pipe
Prestressing force penetration pipe 2 is divided into some sections, can weld between section with section, or adopts outer tube, turnbuckle to connect.The connection of prestressing force penetration pipe 2 and base plate 4: should be welded with in advance on base plate or fix the device be connected with prestressing force penetration pipe 2 with bolt, prestressing force penetration pipe 2 is fixedly welded with base plate.
Five, dividing plate and top board is carried
Top board 1, is gone out the groove be connected with ripple shape steel web, is provided with through hole in groove by cold-rolling of steel plate, during construction, with connectors such as bolts be connected after being located by top board 1 with waveform Steel vertical plate 5.
Carrying dividing plate 8 adopts double-decker, inside has peg, its upper end and with the link of waveform Steel vertical plate all with flanging, flanging is respectively equipped with the screwed hole corresponding with base plate, top board and waveform Steel vertical plate.Also can not flanging be set, adopts the mode of directly welding to install.Carrying dividing plate is also provided with the through hole for wearing prestressing force penetration pipe 2.
Complete the processing of above-mentioned component, be transported to construction and assemble now:
A, being connected by base plate 4 and to locate, the horizontal steel plate of waveform Steel vertical plate 5 upper and lower end face is connected with the longitudinal junction plate 13 on base plate and top board respectively by bolt, or is directly welded with base plate and top board respectively by waveform Steel vertical plate 5;
B, the flanging up and down strengthening head plate 3 to be connected by the connector base plates 4 such as bolt and top board 1 respectively, screwed hole on the corresponding top board 1 of screwed hole on the flanging of carrying dividing plate 8 top and top board are located by connecting, screwed hole on the flanging of carrying dividing plate 8 side is corresponding with the carrying dividing plate screwed hole of waveform Steel vertical plate 5 and waveform Steel vertical plate 5 opposite side, connects with bolt; Also the direct welding manner of not flanging can be adopted to connect.
C, by prestressing force penetration pipe 2 successively through the reserved locating hole of carrying dividing plate, middle to be fixedly connected with base plate; Two ends flange links together with the prestress anchoraging backing plate strengthened on head plate, and then the connecting bolt of fastening turnbuckle, wears prestress wire;
D, top board 1, base plate 4, waveform Steel vertical plate 5, carrying dividing plate 8 and reinforcement head plate 3 before Shi Hanzhang, note setting-out cement concrete after having assembled in the chamber of base plate 4;
After in E, base plate chamber, note pressure concrete and assembling complete; to prestressing tendon 2-1 Shi Hanzhang; after prestress application; need to grouting methol in prestressing force penetration pipe 2; prestressing tendon 2-1 and prestressing force penetration pipe 2 is made to be consolidated into one by cement paste; its object one is that the transmission of power will be got well, and two is that the stressed steel strand of protection are not corroded by the external world.
Claims (9)
1. the T-shaped beam of assembly type steel reinforced concrete, the waveform Steel vertical plate (5) comprising base plate (4), top board (1) and be arranged between base plate (4) and top board (1); It is characterized in that the both ends of the surface up and down of described waveform Steel vertical plate (5) are respectively equipped with horizontal steel plate and are connected with base plate (4) and top board (1) respectively by connector; The two ends of base plate arrange reinforcement head plate (3), are connected by connector difference top board (1) or weld with waveform Steel vertical plate (5); The both sides of waveform Steel vertical plate (5) are provided with carrying dividing plate (8), are connected or weld with base plate (4), top board (1) and waveform Steel vertical plate (5) by connector respectively; Strengthen arranging between head plate (3) successively through carrying dividing plate (8), the prestressing force penetration pipe (2) being installed with prestressing tendon (2-1) two, described prestressing tendon (2-1) forms prestressing force by carrying dividing plate (8) transmission prestressing force to top board (1) and strengthens T-shaped beam.
2. the T-shaped beam of assembly type steel reinforced concrete according to claim 1, it is characterized in that described prestressing force penetration pipe (2) along along bridge to axis be recessed geometric shape, formed suitable bridge to pendency arcuation, after its pendency radian and beam body design Shi Hanzhang, the pendency radian of prestressing tendon (2-1) matches, and forms prestressing tendon (2-1) and realizes bearing stress transmit mode with the combination of cambered surface on prestressing force penetration pipe (2) inwall.
3. the T-shaped beam of assembly type steel reinforced concrete according to claim 1 and 2, it is characterized in that being welded with connection board (12) on base plate (4), connection board (12) upper surface is welded with longitudinal junction plate (13), described longitudinal junction plate (13) is provided with the through hole corresponding with described horizontal steel plate.
4. the T-shaped beam of assembly type steel reinforced concrete according to claim 3, is characterized in that the width of described longitudinal junction plate (13) mates with the width of horizontal steel plate, all wide than the wave height of described waveform Steel vertical plate (5) 2 ~ 10cm.
5. the T-shaped beam of assembly type steel reinforced concrete according to claim 1, is characterized in that frame construction that described reinforcement head plate (3) comprises two parallel steel plates and reinforcing rib floor and formed, forms one by the cement concrete be cast between two parallel steel plates.
6. the T-shaped beam of assembly type steel reinforced concrete according to claim 5, is characterized in that described reinforcement head plate (3) upper lateral width and top board (1) coincide, lower, transverse width is identical with base plate (4).
7. the T-shaped beam of assembly type steel reinforced concrete according to claim 1, it is characterized in that being symmetrically arranged with twice prestressing force penetration pipe (2) between described reinforcement head plate (3), described prestressing force penetration pipe (2) two ends flange is connected with the prestress anchoraging backing plate strengthened on head plate (3); Described prestressing force penetration pipe (2) to be formed by connecting by outer tube, turnbuckle by more than 3 sections or by Flange joint.
8. the T-shaped beam of assembly type steel reinforced concrete according to claim 1, is characterized in that described prestressing force penetration pipe (2) is welded with carrying dividing plate (8).
9. the T-shaped beam of assembly type steel according to claim 1, it is characterized in that described carrying dividing plate (8) by parallel Steel vertical plate be connected gusset assembly welding and become frame construction, the top of described Steel vertical plate and be respectively equipped with flanging with the link of waveform Steel vertical plate (5), flanging arranges the screwed hole corresponding with top board (1) and waveform Steel vertical plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410777551.9A CN104594183B (en) | 2014-12-17 | 2014-12-17 | Assembling type reinforced concrete T-shaped beam |
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| CN201410777551.9A CN104594183B (en) | 2014-12-17 | 2014-12-17 | Assembling type reinforced concrete T-shaped beam |
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| CN104594183A true CN104594183A (en) | 2015-05-06 |
| CN104594183B CN104594183B (en) | 2017-03-22 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064197A (en) * | 2015-07-23 | 2015-11-18 | 苏交科集团股份有限公司 | Corrugated steel web compound web structure |
| CN105908616A (en) * | 2016-04-28 | 2016-08-31 | 四川省交通运输厅公路规划勘察设计研究院 | Calculating method for pretensioned prestressing steel tank concrete beam |
| CN105908615A (en) * | 2016-04-28 | 2016-08-31 | 四川省交通运输厅公路规划勘察设计研究院 | Pretensioned prestressing steel tank concrete beam |
| CN107419826A (en) * | 2017-06-12 | 2017-12-01 | 河南奥斯派克科技有限公司 | Antinode plate and double-C-shaped steel composite structural member shear wall |
| CN108842591A (en) * | 2018-06-29 | 2018-11-20 | 东南大学 | Configure the precast segment T beam bridge construction and construction method of internal external pre-stress bundle |
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| CN102691257A (en) * | 2012-06-25 | 2012-09-26 | 河南省交通规划勘察设计院有限责任公司 | Continuous box girder made of corrugated steel web pre-tensioned prestressed concrete and construction method |
| CN202610695U (en) * | 2012-06-25 | 2012-12-19 | 河南省交通规划勘察设计院有限责任公司 | Corrugated steel web type pre-tensioned prestressed concrete I-type beam |
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| JP2002250009A (en) * | 2001-02-23 | 2002-09-06 | Nippon Steel Corp | Steel-concrete composite beam using corrugated steel plate web |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064197A (en) * | 2015-07-23 | 2015-11-18 | 苏交科集团股份有限公司 | Corrugated steel web compound web structure |
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| CN105908615A (en) * | 2016-04-28 | 2016-08-31 | 四川省交通运输厅公路规划勘察设计研究院 | Pretensioned prestressing steel tank concrete beam |
| CN107419826A (en) * | 2017-06-12 | 2017-12-01 | 河南奥斯派克科技有限公司 | Antinode plate and double-C-shaped steel composite structural member shear wall |
| CN108842591A (en) * | 2018-06-29 | 2018-11-20 | 东南大学 | Configure the precast segment T beam bridge construction and construction method of internal external pre-stress bundle |
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| CN104594183B (en) | 2017-03-22 |
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Address after: 054001, 79 Qiao Road, Qiaodong District, Hebei, Xingtai Patentee after: Xingtai road and Bridge Construction Group Co.,Ltd. Address before: 054001, 79 Qiao Road, Qiaodong District, Hebei, Xingtai Patentee before: XINGTAI ROAD & BRIDGE CONSTRUCTION GENERAL Co.,Ltd. |
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