CN110593134A - Intelligent highway concrete bridge expansion joint transition area repairing structure and construction method thereof - Google Patents
Intelligent highway concrete bridge expansion joint transition area repairing structure and construction method thereof Download PDFInfo
- Publication number
- CN110593134A CN110593134A CN201910997098.5A CN201910997098A CN110593134A CN 110593134 A CN110593134 A CN 110593134A CN 201910997098 A CN201910997098 A CN 201910997098A CN 110593134 A CN110593134 A CN 110593134A
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- shaped frame
- reinforcing
- expansion joint
- bridge
- reserved groove
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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
- E01D19/06—Arrangement, construction or bridging of expansion joints
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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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a repair structure for an expansion joint transition area of an intelligent road concrete bridge and a construction method thereof, wherein the repair structure comprises the following components: the bonding layer is arranged on the surface of the reserved groove of the bridge expansion joint; the reinforcing layer comprises a reinforcing beam, a first connecting chain, a second connecting chain, a sleeve and concrete; the two reinforcing beams are symmetrically arranged on two inner side edges of the reserved groove; the first connecting chain is arranged between the reinforcing beam and the reserved groove; two ends of the second connecting chain are respectively welded on the two reinforcing beams; the sleeve is sleeved on the second connecting chain; concrete is poured between the two reinforcing beams; the anti-deformation layer comprises a silica gel pad, an H-shaped frame, a steel cable and a rubber block; the H-shaped frame is arranged on the reinforcing beam, and the steel cable is connected to two inner side walls of the H-shaped frame; the rubber block is filled in the H-shaped frame, and the silica gel pad is arranged between the H-shaped frame and the reserved groove; through the layer. When the reinforcing connection is performed on the two sides of the bridge expansion joint, the bridge deck swelling or fracture caused by expansion with heat and contraction with cold is avoided, and a good damping effect is achieved for the travelling crane.
Description
Technical Field
The invention relates to the technical field of bridge expansion joint transition area repairing structures, in particular to an intelligent highway concrete bridge expansion joint transition area repairing structure and a construction method thereof.
Background
The bridge expansion joint refers to an expansion joint arranged between two beam ends, between a beam end and a bridge abutment or at a hinge joint position of a bridge in order to meet the requirement of bridge deck deformation. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and is firm and reliable, and when a vehicle runs, the vehicle is smooth without sudden jump and noise; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient. At the position of the expansion joint, the handrail and the bridge deck pavement are disconnected.
The function of the bridge expansion joints is to accommodate the displacement and coupling between the superstructure caused by vehicle loads and bridge building materials. Once the telescopic device of the skew bridge is damaged, the speed, the comfort and the safety of the vehicle are seriously influenced, and even the vehicle safety accident is caused.
Under the influence of factors such as temperature change and concrete shrinkage, the bridge span structure can deform. To accommodate such displacement and maintain the ride of the vehicle travelling on the bridge, transverse expansion joints must be provided between the ends of the deck and between the beam ends and the abutment back wall.
Once the bridge expansion joint is damaged, the vehicle jumping, the noise and the water leakage can be caused, the driving safety is influenced, and the service life of the bridge is shortened. Therefore, the quality of the bridge construction joint has a great relationship with the quality control in the construction process.
In the traditional bridge expansion joint repairing structure, a filling foam board or a modulus support is adopted, so that the filling foam board is easy to generate bridge deck swelling under the condition of temperature change, and the reinforcing effect on two sides of a gap is not large; the module support is easy to damage, and the noise is large when the module support is used, so that the use experience is not good.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide the repair structure for the expansion joint transition area of the intelligent highway concrete bridge, which can be used for reinforcing and connecting two sides of the bridge expansion joint, simultaneously avoiding the bridge deck from bulging or breaking caused by expansion with heat and contraction with cold and has good damping effect on travelling cranes.
In order to achieve the above objects and other objects, the present invention adopts the following technical solutions:
the utility model provides an intelligence highway concrete bridge expansion joint transition area repair structure, includes:
the bonding layer is arranged on the surface of the reserved groove of the expansion joint of the bridge; the adhesive layer is formed by coating an adhesive on a methacrylic acid resin layer;
the reinforcing layer comprises a reinforcing beam, a first connecting chain, a second connecting chain, a sleeve and concrete; the number of the reinforcing beams is two; the two reinforcing beams are symmetrically arranged on two inner side edges of the reserved groove along the transverse direction of the bridge; the reinforcing beams are arranged in a U shape with a transverse cross section, and the openings of the two reinforcing beams are arranged oppositely; the first connecting chain is arranged between the reinforcing beam and the reserved groove; two ends of the first connecting chain are respectively and fixedly connected to the reinforcing beam and the reserved groove; two ends of the second connecting chain are respectively welded on the reinforcing beams positioned on the inner side edges of the two sides of the reserved groove; the sleeve is a hard pipe body, is sleeved on the second connecting chain and is shorter than the distance between the two reinforcing beams; the concrete is poured between the two reinforcing beams, and the height of the concrete is flush with the upper surfaces of the reinforcing beams;
the anti-deformation layer comprises a silica gel pad, an H-shaped frame, a steel cable and a rubber block; the two bottom ends of the H-shaped frame respectively abut against the reinforcing beam, a bottom plate of the H-shaped frame is provided with an arc-shaped plate which is arched upwards, the arc-shaped plate is elastic, and two ends of the steel cable are respectively connected to two inner side walls of the H-shaped frame above the arc-shaped plate; the rubber blocks are filled in the H-shaped frame on the arc-shaped plate, the number of the silica gel pads is two, and the two silica gel pads are respectively arranged between the H-shaped frame and the reserved groove;
a pass-through layer which is a plate body arranged above the H-shaped frame; the upper surface of the plate body is flush with the surface of the bridge.
Preferably, in the repair structure for the expansion joint transition area of the intelligent road concrete bridge, a reinforcing plate is arranged between the lower surfaces of the two reinforcing beams; and two ends of the reinforcing plate are respectively fixedly connected with the edge of the reinforcing beam.
Preferably, in the repair structure for the expansion joint transition area of the intelligent road concrete bridge, a hollow structure with a sandwich layer is arranged on the side wall of the H-shaped frame; a grouting hole penetrating through the interlayer is formed in the top surface of the H-shaped frame; a plurality of slurry leaking holes penetrating through the interlayer are formed in the bottom surface of the H-shaped frame; and concrete mortar is poured into the interlayer from the grouting holes.
Preferably, in the repair structure for the expansion joint transition area of the intelligent road concrete bridge, a plurality of accommodating pits for accommodating concrete mortar are formed in the contact surface of the reinforcing beam and the H-shaped frame; the position of the accommodating pit corresponds to the slurry leaking hole.
Preferably, in the repair structure for the expansion joint transition area of the intelligent road concrete bridge, the reinforcing beam is provided with a groove for communicating the accommodating pits.
Preferably, in the repair structure for the expansion joint transition area of the intelligent highway concrete bridge, the number of the plate bodies is two, the two plate bodies are arranged above the H-shaped frame in parallel, and a gap is formed between the two plate bodies.
Preferably, in the intelligent highway concrete bridge expansion joint transition zone repair structure, be provided with touch switch between arc and the concrete, touch switch connects in alarm module, the arc collapses to trigger and makes touch switch is closed, touch switch's closure triggers alarm module sends out the police dispatch newspaper.
A construction method for a repair structure of an expansion joint transition area of an intelligent highway concrete bridge comprises the following steps:
step one, removing fillers in an original expansion joint, cleaning impurities in the expansion joint, and leaking the impurities out of a reserved groove;
secondly, coating methacrylic resin in the reserved groove, and coating an adhesive on the methacrylic resin layer after the methacrylic resin is solidified;
after the adhesive is solidified, uniformly riveting first connecting chains on two side walls of the reserved groove at intervals; then, placing the reinforcing beam into the reserved groove, and welding the reinforcing beam and the first connecting chain;
after the sleeve is sleeved on the second connecting chain, welding two ends of the second connecting chain on the reinforcing beams positioned on two sides of the reserved groove respectively;
pouring concrete into the reserved groove, and enabling the height of the concrete to be flush with the upper surface of the reinforcing beam;
sixthly, placing the H-shaped frame on the reinforcing beam, and welding the edge of the bottom surface of the H-shaped frame with the upper surface of the reinforcing beam;
connecting the steel cable to two inner side walls of the H-shaped frame, filling hot-melt rubber to form a rubber block, and filling a silica gel pad into a gap between the H-shaped frame and the reserved groove;
and step eight, buckling the plate body above the H-shaped frame, and enabling the plate body to be flush with the upper surface of the bridge.
The invention at least comprises the following beneficial effects:
in the repair structure for the expansion joint transition area of the intelligent highway concrete bridge, the bonding layer has a good waterproof effect on the lower part of the reserved groove, and meanwhile, the connection effect with the reinforcing layer in the reserved groove is enhanced.
The reinforcing layer is connected with the first connecting chain through the reinforcing beam, so that the expansion with heat and the contraction with cold of the reinforcing layer in the expansion joint are well adjusted, and the expansion joint is prevented from forming pressure on the bridge deck to cause damage to the bridge deck; the arrangement of the reinforcing beam and the second connecting chain enables the expansion and contraction of the bridge deck to be well absorbed by the expansion joint, and the bridge deck is prevented from bulging or cracking; the connection of the reinforcing beam and the second connecting chain increases the connection between the bridge and the other end of the expansion joint, so that the bridge body is reinforced.
The setting on anti deformation layer can effectively slow down the vibrations that the driving in-process caused, and the cooperation of H shape frame and block rubber for the stress of the expanded bridge floor is offset by block rubber and silica gel pad when temperature is higher, and the pressure that causes is offset by the elasticity of block rubber and arc itself simultaneously the driving in-process, makes the vehicle go when smooth-going, has reduced the pressure to the inside of expansion joint, thereby has improved the life of structure is restoreed to the expansion joint.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a structural diagram of a repair structure for an expansion joint transition area of an intelligent highway concrete bridge provided by the invention;
fig. 2 is a construction flow chart of the repair structure for the expansion joint transition area of the intelligent road concrete bridge provided by the invention.
Detailed Description
The present invention is described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description.
As shown in fig. 1, an intelligence highway concrete bridge expansion joint transition area repair structure includes:
the bonding layer is arranged on the surface of the reserved groove 1 of the expansion joint of the bridge; the adhesive layer is formed by coating an adhesive 3 on a methacrylic acid resin layer 2;
a reinforcing layer including a reinforcing beam 4, a first connecting chain 5, a second connecting chain 6, a sleeve 7, and concrete 8; the number of the reinforcing beams 4 is two; the two reinforcing beams 4 are symmetrically arranged on two inner side edges of the preformed groove 1 along the transverse direction of the bridge; the reinforcing beams 4 are arranged in a U shape with a transverse cross section, and the openings of the two reinforcing beams 4 are oppositely arranged; the first connecting chain 5 is arranged between the reinforcing beam 4 and the preformed groove 1; two ends of the first connecting chain 5 are respectively and fixedly connected to the reinforcing beam 4 and the preformed groove 1; two ends of the second connecting chain 6 are respectively welded on the reinforcing beams 4 positioned on the inner side edges of the two sides of the preformed groove 1; the sleeve 7 is a hard pipe body, the sleeve 7 is sleeved on the second connecting chain 6, and the length of the sleeve is smaller than the distance between the two reinforcing beams 4; the concrete 8 is poured between the two reinforcing beams 4, and the height of the concrete 8 is flush with the upper surfaces of the reinforcing beams 4;
the anti-deformation layer comprises a silica gel pad 9, an H-shaped frame 10, a steel cable 11 and a rubber block 12; the two bottom ends of the H-shaped frame 10 respectively abut against the reinforcing beam 4, the bottom plate of the H-shaped frame 10 is provided with an arc-shaped plate 13 which is arched upwards, the arc-shaped plate 13 has elasticity, and the two ends of the steel cable 11 are respectively connected to the two inner side walls of the H-shaped frame 10 above the arc-shaped plate 13; the rubber blocks 12 are filled in the H-shaped frame 10 on the arc-shaped plate 13, the number of the silica gel pads 9 is two, and the two silica gel pads 9 are respectively arranged between the H-shaped frame 10 and the preformed groove 1;
a pass-through layer, which is a plate 14 disposed above the H-shaped frame 10; the upper surface of the plate body 14 is flush with the surface of the bridge.
In the above scheme, the adhesive layer plays a good waterproof effect to the reservation groove below, simultaneously, has strengthened the connection effect with the interior back up coat of reservation groove.
The reinforcing layer is connected with the first connecting chain through the reinforcing beam, so that the expansion with heat and the contraction with cold of the reinforcing layer in the expansion joint are well adjusted, and the expansion joint is prevented from forming pressure on the bridge deck to cause damage to the bridge deck; the arrangement of the reinforcing beam and the second connecting chain enables the expansion and contraction of the bridge deck to be well absorbed by the expansion joint, and the bridge deck is prevented from bulging or cracking; the connection of the reinforcing beam and the second connecting chain increases the connection between the bridge and the other end of the expansion joint, so that the bridge body is reinforced. The setting of sheathed tube makes concrete and second connecting link separate to when taking place expend with heat and contract with cold, the second connecting link can adapt to the width at expansion joint all the time, and then guarantees the effective connection of expansion joint both sides.
The H-shaped frame is of a structure with the arc-shaped plate as a boundary and short in the upper direction and the lower direction, and the height of the rubber block is slightly larger than that of the H-shaped frame, so that when a vehicle passes through the passing layer, the plate body is pressed downwards; can extrude the silica gel pad when the bridge body and rubber block are heated to inflation to the extension power that the effectual bridge floor inflation of release caused avoids causing the bridge floor to rise. Therefore, the setting on anti deformation layer can effectively slow down the vibrations that the driving in-process caused, and the cooperation of H shape frame and block rubber for the stress of the expanded bridge floor is offset by block rubber and silica gel pad when temperature is higher, and the pressure that causes is offset by the elasticity of block rubber and arc itself simultaneously the driving in-process, makes the vehicle go when smooth-going, has reduced the pressure to the inside of expansion joint, thereby has improved the life of structure is restoreed to the expansion joint.
In a preferable scheme, a reinforcing plate 15 is arranged between the lower surfaces of the two reinforcing beams 4; the two ends of the reinforcing plate 15 are respectively fixedly connected with the edges of the reinforcing beam 4.
In above-mentioned scheme, the setting through the gusset plate has further improved the fastening nature that the expansion joint both sides are connected to the tightness of bridge has been improved.
In a preferred scheme, the side wall of the H-shaped frame 10 is provided with a hollow structure with a sandwich layer; a grouting hole penetrating through the interlayer is formed in the top surface of the H-shaped frame 10; a plurality of slurry leaking holes penetrating to the interlayer are formed in the bottom surface of the H-shaped frame 10; and concrete mortar is poured into the interlayer from the grouting holes.
In above-mentioned scheme, through the setting in grout hole and hourglass thick liquid hole on the H shape frame for the H shape frame is not only dead weight obtains improving after pouring concrete mortar, and concrete mortar has strengthened the connection between H shape frame and the reinforcing beam simultaneously, thereby has further improved the tightness of bridge.
In a preferable scheme, a plurality of accommodating pits for accommodating concrete mortar are formed in the contact surface of the reinforcing beam 4 and the H-shaped frame 10; the position of the accommodating pit corresponds to the slurry leaking hole.
In the scheme, the concrete mortar can further improve the connection between the H-shaped frame and the reinforcing beam through the arrangement of the accommodating pits.
In a preferable scheme, the reinforcing beam 4 is provided with a groove for communicating the accommodating pits.
In the scheme, the arrangement of the grooves enables the concrete mortar to be distributed more widely between the H-shaped frame and the reinforcing beam, and the bonding force is improved.
In a preferable scheme, the number of the plate bodies 14 is two, the two plate bodies 14 are arranged above the H-shaped frame 10 in parallel, and a gap is formed between the two plate bodies 14.
In the above scheme, through setting up the plate body into two to make two plate body intervals have the clearance, can guarantee the width at plate body adaptation expansion joint when expend with heat and contract with cold.
In a preferable scheme, a touch switch is arranged between the arc-shaped plate 13 and the concrete 8 and connected to the alarm module, the arc-shaped plate 13 collapses and triggers the touch switch to be closed, and the closing of the touch switch triggers the alarm module to give an alarm.
In the above scheme, the arc produces a small amount of deformation when the vehicle normally travels to touch the touch switch of below, nevertheless damage when the arc, promptly when the expansion joint transition district is restoreed the structure and is collapsed, the arc can push down and make touch switch closed, and then triggers alarm module and sends the police dispatch newspaper to remind the staff to repair in time the structure is restoreed to expansion joint transition district, in order to improve the safety of traveling of vehicle.
As shown in fig. 2, a construction method for repairing a structure in an expansion joint transition area of an intelligent highway concrete bridge comprises the following steps:
step one, removing fillers in an original expansion joint, cleaning impurities in the expansion joint, and leaking the impurities out of a reserved groove;
secondly, coating methacrylic resin in the reserved groove, and coating an adhesive on the methacrylic resin layer after the methacrylic resin is solidified;
after the adhesive is solidified, uniformly riveting first connecting chains on two side walls of the reserved groove at intervals; then, placing the reinforcing beam into the reserved groove, and welding the reinforcing beam and the first connecting chain;
after the sleeve is sleeved on the second connecting chain, welding two ends of the second connecting chain on the reinforcing beams positioned on two sides of the reserved groove respectively;
pouring concrete into the reserved groove, and enabling the height of the concrete to be flush with the upper surface of the reinforcing beam;
sixthly, placing the H-shaped frame 10 on the reinforcing beam, and welding the bottom edge of the H-shaped frame and the upper surface of the reinforcing beam;
connecting the steel cable to two inner side walls of the H-shaped frame, filling hot-melt rubber to form a rubber block, and filling a silica gel pad into a gap between the H-shaped frame and the reserved groove;
and step eight, buckling the plate body above the H-shaped frame, and enabling the plate body to be flush with the upper surface of the bridge.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides an intelligence highway concrete bridge expansion joint transition area restores structure, wherein, includes:
the bonding layer is arranged on the surface of the reserved groove of the expansion joint of the bridge; the adhesive layer is formed by coating an adhesive on a methacrylic acid resin layer;
the reinforcing layer comprises a reinforcing beam, a first connecting chain, a second connecting chain, a sleeve and concrete; the number of the reinforcing beams is two; the two reinforcing beams are symmetrically arranged on two inner side edges of the reserved groove along the transverse direction of the bridge; the reinforcing beams are arranged in a U shape with a transverse cross section, and the openings of the two reinforcing beams are arranged oppositely; the first connecting chain is arranged between the reinforcing beam and the reserved groove; two ends of the first connecting chain are respectively and fixedly connected to the reinforcing beam and the reserved groove; two ends of the second connecting chain are respectively welded on the reinforcing beams positioned on the inner side edges of the two sides of the reserved groove; the sleeve is a hard pipe body, is sleeved on the second connecting chain and is shorter than the distance between the two reinforcing beams; the concrete is poured between the two reinforcing beams, and the height of the concrete is flush with the upper surfaces of the reinforcing beams;
the anti-deformation layer comprises a silica gel pad, an H-shaped frame, a steel cable and a rubber block; the two bottom ends of the H-shaped frame respectively abut against the reinforcing beam, a bottom plate of the H-shaped frame is provided with an arc-shaped plate which is arched upwards, the arc-shaped plate is elastic, and two ends of the steel cable are respectively connected to two inner side walls of the H-shaped frame above the arc-shaped plate; the rubber blocks are filled in the H-shaped frame on the arc-shaped plate, the number of the silica gel pads is two, and the two silica gel pads are respectively arranged between the H-shaped frame and the reserved groove;
a pass-through layer which is a plate body arranged above the H-shaped frame; the upper surface of the plate body is flush with the surface of the bridge.
2. The intelligent repair structure for an expansion joint transition area of a road concrete bridge as claimed in claim 1, wherein a reinforcing plate is arranged between the lower surfaces of the two reinforcing beams; and two ends of the reinforcing plate are respectively fixedly connected with the edge of the reinforcing beam.
3. An intelligent highway concrete bridge expansion joint transition zone repair structure as claimed in claim 1, wherein the side wall of the H-shaped frame is provided with a hollow structure with a sandwich layer; a grouting hole penetrating through the interlayer is formed in the top surface of the H-shaped frame; a plurality of slurry leaking holes penetrating through the interlayer are formed in the bottom surface of the H-shaped frame; and concrete mortar is poured into the interlayer from the grouting holes.
4. The repair structure for an expansion joint transition area of an intelligent road concrete bridge as claimed in claim 3, wherein a plurality of accommodating pits for accommodating concrete mortar are formed on the contact surface of the reinforcing beam and the H-shaped frame; the position of the accommodating pit corresponds to the slurry leaking hole.
5. An intelligent repair structure for an expansion joint transition area of a road concrete bridge as claimed in claim 4, wherein the reinforcing beam is provided with a groove for communicating the accommodating pits.
6. The intelligent repair structure for an expansion joint transition area of a road concrete bridge as claimed in claim 1, wherein the number of the plate bodies is two, the two plate bodies are arranged above the H-shaped frame in parallel, and a gap is formed between the two plate bodies.
7. The intelligent repairing structure for an expansion joint transition area of a road concrete bridge as claimed in claim 1, wherein a touch switch is arranged between the arc-shaped plate and the concrete, the touch switch is connected to an alarm module, the arc-shaped plate is collapsed to trigger the touch switch to be closed, and the closing of the touch switch triggers the alarm module to give an alarm.
8. A construction method for a repair structure of an intelligent road concrete bridge expansion joint transition area according to any one of claims 1 to 7, wherein the method comprises the following steps:
step one, removing fillers in an original expansion joint, cleaning impurities in the expansion joint, and leaking the impurities out of a reserved groove;
secondly, coating methacrylic resin in the reserved groove, and coating an adhesive on the methacrylic resin layer after the methacrylic resin is solidified;
after the adhesive is solidified, uniformly riveting first connecting chains on two side walls of the reserved groove at intervals; then, placing the reinforcing beam into the reserved groove, and welding the reinforcing beam and the first connecting chain;
after the sleeve is sleeved on the second connecting chain, welding two ends of the second connecting chain on the reinforcing beams positioned on two sides of the reserved groove respectively;
pouring concrete into the reserved groove, and enabling the height of the concrete to be flush with the upper surface of the reinforcing beam;
sixthly, placing the H-shaped frame on the reinforcing beam, and welding the edge of the bottom surface of the H-shaped frame with the upper surface of the reinforcing beam;
connecting the steel cable to two inner side walls of the H-shaped frame, filling hot-melt rubber to form a rubber block, and filling a silica gel pad into a gap between the H-shaped frame and the reserved groove;
and step eight, buckling the plate body above the H-shaped frame, and enabling the plate body to be flush with the upper surface of the bridge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910997098.5A CN110593134B (en) | 2019-10-20 | 2019-10-20 | Intelligent highway concrete bridge expansion joint transition area repairing structure and construction method thereof |
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| CN201910997098.5A CN110593134B (en) | 2019-10-20 | 2019-10-20 | Intelligent highway concrete bridge expansion joint transition area repairing structure and construction method thereof |
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| CN110593134B CN110593134B (en) | 2020-05-05 |
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| CN111455879A (en) * | 2020-04-17 | 2020-07-28 | 赵春旭 | Intelligent highway concrete bridge expansion joint transition area repairing structure and construction method thereof |
| CN111455880A (en) * | 2020-04-17 | 2020-07-28 | 赵春旭 | Bridge expansion joint transition area repairing structure for data measurement and construction method thereof |
| CN112900254A (en) * | 2021-01-29 | 2021-06-04 | 王凯 | Strenghthened type bridge expansion joint structure |
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| CN108755454A (en) * | 2018-06-09 | 2018-11-06 | 汤永红 | A kind of highway concrete-bridge expansion joint transition region repairs structure and construction method |
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| CN105541180A (en) * | 2015-10-14 | 2016-05-04 | 慧融高科（武汉）新型材料有限公司 | Epoxy mortar for bridge expansion joints and construction method thereof |
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| CN111455879A (en) * | 2020-04-17 | 2020-07-28 | 赵春旭 | Intelligent highway concrete bridge expansion joint transition area repairing structure and construction method thereof |
| CN111455880A (en) * | 2020-04-17 | 2020-07-28 | 赵春旭 | Bridge expansion joint transition area repairing structure for data measurement and construction method thereof |
| CN111455880B (en) * | 2020-04-17 | 2022-03-18 | 赵春旭 | Bridge expansion joint transition area repairing structure for data measurement and construction method thereof |
| CN112900254A (en) * | 2021-01-29 | 2021-06-04 | 王凯 | Strenghthened type bridge expansion joint structure |
| CN112900254B (en) * | 2021-01-29 | 2022-12-09 | 河南中金路桥工程有限公司 | Strenghthened type bridge expansion joint structure |
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| Publication number | Publication date |
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| CN110593134B (en) | 2020-05-05 |
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