CN212714597U - Transverse prestressed steel wire rope reinforcing structure of assembled hollow plate girder bridge - Google Patents
Transverse prestressed steel wire rope reinforcing structure of assembled hollow plate girder bridge Download PDFInfo
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- CN212714597U CN212714597U CN202021455989.2U CN202021455989U CN212714597U CN 212714597 U CN212714597 U CN 212714597U CN 202021455989 U CN202021455989 U CN 202021455989U CN 212714597 U CN212714597 U CN 212714597U
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Abstract
The utility model discloses an assembled hollow slab beam bridge horizontal prestressing steel wire rope reinforced structure relates to bridge reinforcement maintenance field, including polymer mortar layer, hinge joint concrete, hinge joint reinforcement glue, a plurality of connecting reinforcement and a plurality of wire rope reinforcing system that sets gradually along the hollow slab bottom surface vertically, hinge joint concrete placement in the hinge joint between the adjacent hollow slab, hinge joint reinforcement glue is poured in the space of hinge joint concrete, wire rope reinforcing system includes stiff end anchor subassembly, stretch-draw end anchor subassembly, a plurality of locating plate and a plurality of wire rope; a plurality of connecting steel bars are arranged between two adjacent steel wire rope reinforcing systems and are fixed on the bottom surface of the hollow slab; the polymer mortar layer is fixedly connected with the bottom surface of the hollow slab. The utility model provides a horizontal prestressing steel wire rope reinforced structure of assembled hollow slab beam bridge has improved the wholeness and the durability of hollow slab beam bridge, effectively restraines the vertical fissured appearance of hollow slab and develops.
Description
Technical Field
The utility model relates to a bridge reinforcement maintenance field especially relates to a horizontal prestressing force wire rope reinforced structure of empty core plate beam bridge of assembled.
Background
The assembled hollow slab beam bridge has become the first choice for designing and constructing medium and small span bridges in China due to simple structure, convenient construction method and low cost. However, due to the influence of factors such as design, construction and environmental conditions, damage such as hinge joint damage and longitudinal cracks at the bottom of the fabricated hollow slab beam bridge generally exists, so that the bearing capacity of the hollow slab is degraded, and the driving safety and the service life of the bridge are further influenced. Therefore, an effective reinforcing method and structure are needed to solve the problems of insufficient overall stress performance of the hollow slab and longitudinal cracks of the hollow slab caused by the damage of the hinge joint of the assembled hollow slab.
SUMMERY OF THE UTILITY MODEL
For solving above technical problem, the utility model provides a horizontal prestressing steel wire rope reinforced structure of assembled hollow slab girder bridge has improved the wholeness and the durability of hollow slab girder bridge, effectively restraines the vertical fissured appearance of hollow slab and develops.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides an assembled hollow slab beam bridge horizontal prestress wire rope reinforced structure, including polymer mortar layer, hinge joint concrete, hinge joint reinforcement glue, a plurality of connecting reinforcement and a plurality of wire rope reinforcerment system along the hollow slab bottom surface vertical setting in proper order, hinge joint concrete pours in the hinge joint between the adjacent hollow slab, the hinge joint reinforcement glue pours in the space of hinge joint concrete, the wire rope reinforcerment system includes fixed end anchor assembly, stretch-draw end anchor assembly, a plurality of locating plates and a plurality of wire rope, fixed end anchor assembly and stretch-draw end anchor assembly are fixed in the root outside the boundary beam bottom plate of the hollow slab beam bridge both sides respectively, a plurality of locating plates are fixed in the hollow slab bottom surface in proper order along the hollow slab, each wire rope one end is fixed in on the fixed end anchor assembly, the other end of each steel wire rope sequentially penetrates through the positioning plates and is fixed on the tensioning end anchoring assembly; a plurality of connecting steel bars are arranged between two adjacent steel wire rope reinforcing systems and fixed on the bottom surface of the hollow slab; the polymer mortar layer is fixedly connected with the bottom surface of the hollow slab, and the polymer mortar layer covers the steel wire rope reinforcing system and the connecting steel bars.
Preferably, stiff end anchor subassembly includes first horizontal anchor board and vertical fixation in the first vertical anchor board on first horizontal anchor board one end upper portion, first horizontal anchor board bottom surface is provided with first anchor block, be provided with a plurality of anchor holes on the first anchor block, each install one in the anchor hole wire rope, the both ends of hollow core slab bottom surface all are provided with an anchor mounting groove, first horizontal anchor board sets up in one in the anchor mounting groove and through special back taper chemistry crab-bolt and viscose glue with the boundary beam bottom plate is connected, first vertical anchor board through special back taper chemistry crab-bolt and viscose glue with the boundary beam bottom plate is connected.
Preferably, stretch-draw end anchor subassembly includes horizontal anchor board of second and vertical fixation in the vertical anchor board of second on the horizontal anchor board one end upper portion of second, the horizontal anchor board bottom surface of second is provided with the second anchor piece, be provided with a plurality of down trapezoidal flutings on the second anchor piece, each install one among the down trapezoidal fluting wire rope, the horizontal anchor board of second sets up in another in the anchor mounting groove and through special back taper chemistry crab-bolt and viscose glue with the boundary beam bottom plate is connected, the vertical anchor board of second through special back taper chemistry crab-bolt and viscose glue with the boundary beam bottom plate is connected.
Preferably, the locating plate includes horizontal location board and vertical fixation in the vertical location board of horizontal location board one end lower part, be provided with a plurality of confessions on the vertical location board the through-hole that wire rope passed, the anchor hole the through-hole with fall trapezoidal fluting one-to-one, hollow slab bottom surface is provided with a plurality of location mounting grooves, horizontal location board set up in the location mounting groove and through gluing anchor bolt and gluing steel and glue with hollow slab bottom surface and be connected.
Preferably, the connecting reinforcement is an L-shaped reinforcement, a vertical section of the L-shaped reinforcement is implanted inside the hollow slab, and a bent section of the L-shaped reinforcement is located outside the hollow slab.
Preferably, the hollow plate further comprises an interface agent layer, wherein the interface agent layer is arranged between the bottom surface of the hollow plate and the polymer mortar layer.
Preferably, the hollow plate structure further comprises a polyurethane foam adhesive and a sealing primer, wherein the polyurethane foam adhesive is filled in the middle of the hinge joint between the adjacent hollow plates, and the sealing primer is filled in the bottom of the hinge joint between the adjacent hollow plates.
Preferably, two ends of each steel wire rope are fixed through an anchoring sleeve and an anchor head, the diameter of each steel wire rope is 3-7 mm, and the distance between every two adjacent steel wire ropes is 5-15 cm.
The utility model discloses for prior art gain following technological effect:
the utility model provides an assembled hollow slab beam bridge horizontal prestressing force wire rope reinforced structure, through setting up the solidification body that wire rope reinforcing system, connecting reinforcement, hinge joint reinforcement glue and hinge joint concrete formed and the polymer mortar layer on the hollow slab bottom surface can effectively improve the wholeness of hollow slab beam bridge, make its atress more reasonable, also increased the hollow slab cross-section height simultaneously, improved hollow slab rigidity; the transverse prestress provided by the steel wire rope reinforcing system inhibits the occurrence and development of longitudinal cracks of the hollow slab; the transverse bending rigidity of the hollow plate girder bridge and the shearing rigidity of the hinge joint are increased; the polymer mortar layer wrapped on the outer side of the hollow slab not only increases the thickness of the steel bar protective layer of the bottom plate, but also improves the durability of the hollow slab beam bridge.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a cross-sectional view of the transverse prestressed wire rope reinforcing structure of the assembled hollow slab beam bridge provided by the utility model along the transverse bridge direction;
fig. 2 is a cross-sectional view of the transverse prestressed wire rope reinforcing structure of the assembled hollow slab beam bridge provided by the utility model along the bottom surface of the hollow slab;
fig. 3 is an installation schematic view of a positioning plate in the transverse prestressed steel wire rope reinforcing structure of the assembled hollow slab beam bridge provided by the utility model;
fig. 4 is a front view of a fixed end anchoring assembly in the transverse prestressed steel wire rope reinforcing structure of the assembled hollow slab beam bridge provided by the present invention;
fig. 5 is a side view of a fixed end anchoring assembly in the transverse prestressed steel wire rope reinforcing structure of the assembled hollow slab girder bridge provided by the present invention;
fig. 6 is a front view of the tension end anchoring assembly in the transverse prestressed steel wire rope reinforcing structure of the assembled hollow slab beam bridge provided by the present invention;
fig. 7 is a side view of the tension end anchoring assembly in the transverse prestressed steel wire rope reinforcing structure of the assembled hollow slab beam bridge provided by the present invention;
fig. 8 is a schematic structural view of a steel wire rope anchoring end in the transverse prestressed steel wire rope reinforcing structure of the assembled hollow slab beam bridge provided by the present invention;
fig. 9 is the utility model provides an anchor sleeve's among assembly type hollow slab beam bridge horizontal prestressing force wire rope reinforced structure schematic diagram.
Description of reference numerals: 1. curing the body; 2. polyurethane foam rubber; 3. sealing primer; 4. a fixed end anchoring assembly; 41. a first horizontal anchor plate; 42. a first vertical anchor plate; 43. a first anchor block; 44. an anchoring hole; 5. a tension end anchoring assembly; 51. a second horizontal anchor plate; 52. a second vertical anchor plate; 53. A second anchor block; 54. slotting in an inverted trapezoid shape; 6. a wire rope; 7. a polymer mortar layer; 8. positioning a plate; 9. connecting reinforcing steel bars; 10. a glue anchor bolt; 11. a special inverted cone-shaped chemical anchor bolt; 12. and anchoring the casing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a horizontal prestressing steel wire rope reinforced structure of assembled hollow slab beam bridge has improved the wholeness and the durability of hollow slab beam bridge, effectively restraines the vertical fissured appearance of hollow slab and develops.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 to 3, the present embodiment provides a transverse prestressed steel wire rope reinforcement structure for an assembled hollow slab girder bridge, which includes a polymer mortar layer 7, hinge joint concrete, hinge joint reinforcement glue, a plurality of connecting steel bars 9, and a plurality of steel wire rope reinforcement systems longitudinally arranged along the bottom surfaces of the hollow slabs in sequence, the hinge joint concrete is poured into the hinge joints between adjacent hollow slabs, the hinge joint reinforcement glue is poured into the gaps of the hinge joint concrete, filling hinge joint reinforcing glue under the pressure of a glue injection pipe arranged at the hinge joint at the bottom of the beam, enabling the hinge joint reinforcing glue to permeate into the gap of hinge joint concrete, forming a solidified body 1 with the hinge joint concrete after the hinge joint reinforcing glue is solidified, under the bonding action of the hinge joint reinforcing glue, the hinge joint reinforcing glue is cured, a cured body 1 formed by hinge joint concrete is bonded with the hollow slab into a whole, the hollow slab beam bridge can improve the integrity of the hollow slab beam bridge and prevent the bridge deck from seeping water and seeping downwards along the hinge joint gap.
The steel wire rope reinforcing system comprises a fixed end anchoring component 4, a tensioning end anchoring component 5, a plurality of positioning plates 8 and a plurality of steel wire ropes 6, the fixed end anchoring component 4 and the tensioning end anchoring component 5 are respectively fixed at the root parts of the outer sides of the side beam bottom plates on two sides of the hollow slab beam bridge, the positioning plates 8 are transversely and sequentially fixed at the bottom surface of the hollow slab along the hollow slab, specifically, the fixed end anchoring component 4 is arranged at the inner side of the hollow slab beam bridge, the tensioning end anchoring component 5 is arranged at the outer side of the hollow slab beam bridge, the positioning plates 8 are arranged at the position of a middle beam web plate of the hollow slab beam bridge, one positioning plate 8 is arranged at every 2-3 hollow slabs, one end of each steel wire rope 6 is fixed on the fixed end anchoring component 4, and the other end of each steel wire rope 6 sequentially. Specifically, one end of a steel wire rope 6 is fixed to the fixed end anchoring component 4, the steel wire rope 6 is fixed to the tensioning end anchoring component 5 on the other side after being tensioned with the stress of 0.4-0.65 times of the standard tensile strength value of the steel wire rope, and in order to prevent the hollow plate from twisting and lateral bending in the tensioning process, the steel wire rope 6 is symmetrically tensioned in the tensioning process.
Be provided with a plurality of connecting reinforcement 9 between two adjacent wire rope reinforcerment systems, on a plurality of connecting reinforcement 9 were fixed in hollow slab bottom surface, polymer mortar layer 7 and hollow slab bottom surface fixed connection, polymer mortar layer 7 covers in wire rope reinforcerment system and connecting reinforcement 9 outsidely, and connecting reinforcement 9 is used for being connected of polymer mortar layer 7 and hollow slab bottom surface, and connecting reinforcement 9 helps improving the whole atress performance of primary structure and polymer mortar layer 7.
In the embodiment, the integrity of the hollow slab beam bridge can be effectively improved by arranging the steel wire rope reinforcing system, the connecting steel bars 9, the hinge joint reinforcing glue and the hinge joint concrete to form the solidified body 1 and the polymer mortar layer 7 on the bottom surface of the hollow slab, so that the stress of the hollow slab beam bridge is more reasonable, the section height of the hollow slab is increased, and the rigidity of the hollow slab is improved; the transverse prestress provided by the steel wire rope reinforcing system inhibits the occurrence and development of longitudinal cracks of the hollow slab; the transverse bending rigidity of the hollow plate girder bridge and the shearing rigidity of the hinge joint are increased; the polymer mortar layer 7 wrapped outside the hollow slab not only increases the thickness of the bottom plate steel bar protective layer, but also improves the durability of the hollow slab beam bridge.
As shown in fig. 4 and 5, the fixed-end anchoring assembly 4 includes a first horizontal anchoring plate 41 and a first vertical anchoring plate 42 vertically fixed on the upper portion of one end of the first horizontal anchoring plate 41, a first anchoring block 43 is disposed on the bottom surface of the first horizontal anchoring plate 41, a plurality of anchoring holes 44 are disposed on the first anchoring block 43, a steel wire rope 6 is installed in each anchoring hole 44, two anchoring installation grooves are disposed at two ends of the bottom surface of the hollow plate, the first horizontal anchoring plate 41 is disposed in one anchoring installation groove and connected with the bottom plate of the side sill through a special inverted-cone-shaped chemical anchor bolt 11 and a steel adhesive, and the first vertical anchoring plate 42 is connected with the bottom plate of the side sill through the special inverted-cone-shaped chemical anchor bolt 11 and the steel adhesive.
As shown in fig. 6 and 7, the tensioning end anchoring assembly 5 includes a second horizontal anchoring plate 51 and a second vertical anchoring plate 52 vertically fixed on the upper portion of one end of the second horizontal anchoring plate 51, a second anchoring block 53 is provided on the bottom surface of the second horizontal anchoring plate 51, a plurality of inverted trapezoidal slots 54 are provided on the second anchoring block 53, a steel wire rope 6 is installed in each inverted trapezoidal slot 54, the second horizontal anchoring plate 51 is provided in another anchoring installation slot and connected with the edge beam bottom plate through a special inverted conical chemical anchor bolt 11 and a steel adhesive, and the second vertical anchoring plate 52 is connected with the edge beam bottom plate through the special inverted conical chemical anchor bolt 11 and the steel adhesive.
The locating plate 8 comprises a horizontal locating plate and a vertical locating plate vertically fixed at the lower part of one end of the horizontal locating plate, a plurality of through holes for the steel wire ropes 6 to pass are formed in the vertical locating plate, the anchoring holes 44, the through holes and the inverted trapezoidal grooves 54 are in one-to-one correspondence, a plurality of locating mounting grooves are formed in the bottom surface of the hollow plate, and the horizontal locating plate is arranged in the locating mounting grooves and connected with the bottom surface of the hollow plate through glue anchor bolts 10 and glue steel. The positioning plate 8 is high-strength angle steel.
As shown in fig. 8 and 9, both ends of the steel wire rope 6 are fixed by the anchoring sleeve 12 and the anchor head, the diameter of the steel wire rope 6 is 3mm to 7mm, the distance between two adjacent steel wire ropes 6 is 5cm to 15cm, and the steel wire rope 6 in this embodiment is a high-strength steel wire rope. The fixed end anchoring component 4 and the tensioning end anchoring component 5 are made of steel with higher grade than Q235 and better weldability.
Specifically, the connecting reinforcement 9 is L-shaped reinforcement, the vertical section of the L-shaped reinforcement is implanted into the hollow slab, and the bending section of the L-shaped reinforcement is located outside the hollow slab. In this embodiment, the L-shaped reinforcing bars are equidistantly arranged on the bottom surface of the hollow slab, and the L-shaped reinforcing bars are L-shaped twisted reinforcing bars with a diameter of 8mm to 12mm and a length of 150 mm.
The hollow plate also comprises an interface agent layer, and the interface agent layer is arranged between the bottom surface of the hollow plate and the polymer mortar layer 7. The interface agent layer can increase the interface bonding performance between the old concrete on the bottom surface of the hollow slab and the newly sprayed polymer mortar, and improve the integrity of the reinforced structure and the original structure.
Specifically, the transverse width of the polymer mortar layer 7 is equal to the width of the beam bottom, the longitudinal width is equal to the length of the hollow slab beam, the two ends of the hollow slab beam respectively subtract 1m, equilateral angle aluminum with the side length of 5cm is respectively arranged at the longitudinal end of the polymer mortar layer 7, a gap between the angle aluminum and the beam bottom is sealed by adopting sealant, the expansion joint is prevented from seeping water and flowing to the polymer mortar layer 7 along the beam bottom, and the durability of the polymer mortar layer 7 is prevented from being influenced. In this embodiment, the polymer mortar layer 7 has a thickness of 3 cm.
The hollow plate sealing structure further comprises polyurethane foaming glue 2 and sealing bottom glue 3, wherein the polyurethane foaming glue 2 is filled in the middle of the hinge joint between the adjacent hollow plates, and the sealing bottom glue 3 is filled in the bottom of the hinge joint between the adjacent hollow plates.
The embodiment also provides a construction method of the transverse prestressed steel wire rope reinforced structure of the fabricated hollow plate girder bridge, which comprises the following steps: during construction, chiseling is conducted on the bottom surface of the hollow slab, anchoring installation grooves and positioning installation grooves are cut, then the fixed end anchoring assemblies 4 and the tensioning end anchoring assemblies 5 are fixed in the two anchoring installation grooves respectively, the positioning plates 8 are fixed in the positioning installation grooves, and a plurality of connecting reinforcing steel bars 9 are implanted into the bottom surface of the hollow slab. And then filling polyurethane foaming glue 2 into the middle of the hinge joint between the adjacent hollow plates, filling sealing primer 3 into the bottom of the hinge joint between the adjacent hollow plates to play a role in sealing the hinge joint, pouring hinge joint concrete into the hinge joint between the adjacent hollow plates, pouring hinge joint reinforcing glue into gaps of the hinge joint concrete, fixing one end of each steel wire rope 6 to the fixed end anchoring component 4 after the hinge joint reinforcing glue is solidified, and fixing the other end of each steel wire rope 6 to the tensioning end anchoring component 5 after the other end of each steel wire rope sequentially penetrates through the plurality of positioning plates 8 and stretches the steel wire rope 6. And finally, spraying an interface agent and polymer mortar to cover the steel wire rope reinforcing system and the connecting steel bars 9, spraying the interface agent on the bottom surface of the hollow slab, spraying the polymer mortar twice, spraying a first layer of polymer mortar by adopting special mortar spraying equipment, wherein the spraying thickness is 1cm, then spraying the interface agent, spraying a second layer of polymer mortar after solidification, wherein the spraying thickness of the second layer is 2cm, and leveling the surface before initial solidification of the polymer mortar. Specifically, before the initial setting (about 2 hours) of the upper layer of polymer mortar is ensured in the construction of each layer of polymer mortar, interlayer bonding is ensured in the construction process, construction blocks are divided in detail, and watering and curing are timely covered after the final setting of the polymer mortar.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A transverse prestressed steel wire rope reinforcing structure of an assembled hollow slab beam bridge is characterized by comprising a polymer mortar layer, hinge joint concrete, hinge joint reinforcing glue, a plurality of connecting steel bars and a plurality of steel wire rope reinforcing systems which are longitudinally and sequentially arranged along the bottom surface of a hollow slab, wherein the hinge joint concrete is poured in hinge joints between adjacent hollow slabs, the hinge joint reinforcing glue is poured in gaps of the hinge joint concrete, each steel wire rope reinforcing system comprises a fixed end anchoring component, a tensioning end anchoring component, a plurality of positioning plates and a plurality of steel wire ropes, the fixed end anchoring components and the tensioning end anchoring components are respectively fixed at the outer root parts of side beam bottom plates at two sides of the hollow slab beam bridge, the positioning plates are transversely and sequentially fixed on the bottom surface of the hollow slab along the hollow slab, and one end of each steel wire rope is fixed on the fixed end anchoring components, the other end of each steel wire rope sequentially penetrates through the positioning plates and is fixed on the tensioning end anchoring assembly; a plurality of connecting steel bars are arranged between two adjacent steel wire rope reinforcing systems and fixed on the bottom surface of the hollow slab; the polymer mortar layer is fixedly connected with the bottom surface of the hollow slab, and the polymer mortar layer covers the steel wire rope reinforcing system and the connecting steel bars.
2. The structure of claim 1, wherein the fixed end anchoring assembly comprises a first horizontal anchoring plate and a first vertical anchoring plate vertically fixed to an upper portion of one end of the first horizontal anchoring plate, a first anchoring block is arranged on a bottom surface of the first horizontal anchoring plate, a plurality of anchoring holes are formed in the first anchoring block, one steel wire rope is installed in each anchoring hole, anchoring installation grooves are formed in two ends of the bottom surface of the hollow plate, the first horizontal anchoring plate is arranged in one anchoring installation groove and connected with the side beam bottom plate through a special inverted-cone-shaped chemical anchor bolt and a steel adhesive, and the first vertical anchoring plate is connected with the side beam bottom plate through a special inverted-cone-shaped chemical anchor bolt and a steel adhesive.
3. The structure of claim 2, wherein the tension end anchoring assembly comprises a second horizontal anchoring plate and a second vertical anchoring plate vertically fixed to the upper portion of one end of the second horizontal anchoring plate, a second anchoring block is arranged on the bottom surface of the second horizontal anchoring plate, a plurality of inverted trapezoidal slots are formed in the second anchoring block, one steel wire rope is installed in each inverted trapezoidal slot, the second horizontal anchoring plate is arranged in the other anchoring mounting groove and connected with the side beam bottom plate through special inverted conical chemical anchor bolts and special inverted conical adhesive, and the second vertical anchoring plate is connected with the side beam bottom plate through the special inverted conical chemical anchor bolts and the special inverted conical adhesive.
4. The structure of claim 3, wherein the positioning plate comprises a horizontal positioning plate and a vertical positioning plate vertically fixed to a lower portion of one end of the horizontal positioning plate, the vertical positioning plate is provided with a plurality of through holes for the steel wire ropes to pass through, the anchoring holes, the through holes and the inverted trapezoidal grooves are in one-to-one correspondence, the bottom surface of the hollow slab is provided with a plurality of positioning installation grooves, and the horizontal positioning plate is arranged in the positioning installation grooves and connected with the bottom surface of the hollow slab through rubber anchor bolts and steel adhesive.
5. The structure of claim 1, wherein the connecting steel bars are L-shaped steel bars, vertical sections of the L-shaped steel bars are embedded inside the hollow slab, and bent sections of the L-shaped steel bars are located outside the hollow slab.
6. The fabricated hollow slab beam bridge transverse prestressed wire rope reinforcing structure of claim 1, further comprising an interfacial agent layer disposed between the bottom surface of the hollow slab and the polymer mortar layer.
7. The fabricated hollow slab girder bridge transverse prestressed wire rope reinforcing structure according to claim 1, further comprising a polyurethane foam rubber and a sealing primer, wherein the polyurethane foam rubber is filled in the middle of the hinge joints between the adjacent hollow slabs, and the sealing primer is filled in the bottom of the hinge joints between the adjacent hollow slabs.
8. The transverse prestressed steel wire rope reinforcing structure for the fabricated hollow plate girder bridge according to claim 1, wherein both ends of the steel wire rope are fixed by an anchor sleeve and an anchor head, the diameter of the steel wire rope is 3mm to 7mm, and the distance between two adjacent steel wire ropes is 5cm to 15 cm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021455989.2U CN212714597U (en) | 2020-07-22 | 2020-07-22 | Transverse prestressed steel wire rope reinforcing structure of assembled hollow plate girder bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021455989.2U CN212714597U (en) | 2020-07-22 | 2020-07-22 | Transverse prestressed steel wire rope reinforcing structure of assembled hollow plate girder bridge |
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| CN202021455989.2U Expired - Fee Related CN212714597U (en) | 2020-07-22 | 2020-07-22 | Transverse prestressed steel wire rope reinforcing structure of assembled hollow plate girder bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749149A (en) * | 2020-07-22 | 2020-10-09 | 甘肃畅陇公路养护技术研究院有限公司 | Transverse prestressed steel wire rope reinforcing structure of assembled hollow slab beam bridge and construction method |
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2020
- 2020-07-22 CN CN202021455989.2U patent/CN212714597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749149A (en) * | 2020-07-22 | 2020-10-09 | 甘肃畅陇公路养护技术研究院有限公司 | Transverse prestressed steel wire rope reinforcing structure of assembled hollow slab beam bridge and construction method |
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