CN114657876B - FRP bridge deck connection structure and connection method - Google Patents
FRP bridge deck connection structure and connection method Download PDFInfo
- Publication number
- CN114657876B CN114657876B CN202210458368.7A CN202210458368A CN114657876B CN 114657876 B CN114657876 B CN 114657876B CN 202210458368 A CN202210458368 A CN 202210458368A CN 114657876 B CN114657876 B CN 114657876B
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- frp bridge
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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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an FRP bridge deck connecting structure and a connecting method, the structure comprises an FRP bridge deck built on a plurality of steel longitudinal beams, wherein the steel longitudinal beams corresponding to the transverse two ends of the FRP bridge deck are end steel longitudinal beams and the abdomen steel longitudinal beams corresponding to the abdomen, each end steel longitudinal beam is respectively connected with a pair of T-shaped buckles and a flange, the T-shaped buckles are clamped at two corners of the end of the FRP bridge deck, the flanges are contacted with the end face of the FRP bridge deck, the flanges upwards exceed the FRP bridge deck and penetrate through the FRP bridge deck, a first transverse pressing strip is connected to each abdomen steel longitudinal beam, and the connecting piece upwards penetrates through the FRP bridge deck and penetrates through a second transverse pressing strip. The method of the invention is to pre-process the belly steel longitudinal beam, the end steel longitudinal beam, the FRP bridge deck and the upper part thereof according to the design, and then assemble the belly steel longitudinal beam, the end steel longitudinal beam, the FRP bridge deck and the upper part into a whole. The invention can effectively solve the problems of undetachability, replacement and the like of the connection mode in the prior art.
Description
Technical Field
The invention relates to the technical field of bridge engineering, in particular to an FRP bridge deck connecting structure and a connecting method.
Background
The fiber reinforced composite (FRP) bridge deck has the advantages of higher specific strength, specific rigidity, good fatigue resistance, chemical corrosion resistance and the like, and is widely used in various fields of building engineering at home and abroad at present. At present, the FRP bridge deck and the steel beam are connected in the following modes generally;
1. by adopting the cementing form, the strength and the rigidity of the bridge deck slab can be fully exerted, and the rigidity of the composite bridge deck slab is not degraded but is not detachable under fatigue load, so that the bridge is not beneficial to maintenance and repair, and is greatly influenced by temperature and humidity.
2. By adopting the clamp connection mode, the upward warping of the bridge deck at the node and the movement along the length direction of the steel beam can be effectively avoided, but the clamp connection is very labor-consuming, because the connection construction is difficult to start from the lower surface of the bridge deck, and the connection is found to be incapable of enabling the steel beam to work together with the FRP bridge deck through research, and the capacity of transmitting shearing force and resisting fatigue is general.
3. The bolt connection mode is consistent with the clamp connection mode, in the bolt connection mode, bolts are required to be screwed below the bridge deck, and the distance between the bolts is small, so that construction is difficult, some bolts are positioned inside the bridge deck, and if nuts fall off, the bolts are difficult to find and maintain.
4. The shear force nail connection mode is adopted, the mode has better overall combination property and convenient construction, and the following defects are also present: because most of the shear pin connection to be grouted cannot be disassembled, the durability of the mortar is poor under the action of fatigue load, and the grouting overflow prevention treatment is complex.
Other connection modes such as hybrid connection: at present, a plurality of mixed connection modes are adopted in China, but the problems of difficult construction, difficult maintenance, irremovable and replaceable parts, high maintenance cost and the like exist.
Therefore, the following solution is provided for the problems of difficult construction, inconvenient maintenance, irremovable and replacement, high maintenance cost and the like.
Disclosure of Invention
The invention aims to provide an FRP bridge deck connecting structure and an FRP bridge deck connecting method, which are used for solving the problems that the connecting mode in the prior art is not detachable and replaceable, is difficult to construct, is not beneficial to maintenance, has high maintenance cost and the like.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the FRP bridge deck connecting structure comprises FRP bridge decks transversely built on a plurality of steel longitudinal beams, wherein the steel longitudinal beams corresponding to the two transverse ends of the FRP bridge decks are end steel longitudinal beams, the steel longitudinal beams corresponding to the abdomen of the FPR bridge decks are abdomen steel longitudinal beams, and the FRP bridge deck connecting structure is characterized in that each end steel longitudinal beam is respectively connected with a pair of T-shaped buckles which are transversely distributed, the horizontal sections of the T-shaped buckles are T-shaped, the two T-shaped buckles are respectively clamped at two corner positions of the corresponding end parts of the FRP bridge decks through notches at one side of the T-shaped buckles, at least one flange which extends upwards is connected between the two T-shaped buckles on each end steel longitudinal beam, the flange contacts with the corresponding end surface of the FRP bridge deck, the upper end of the flange extends upwards to exceed the top surface of the FRP bridge deck, a transverse hole is formed by transversely penetrating through the exceeding part of the flange, and a first transverse pressing strip extends to the top surface of the FRP bridge deck is penetrated in the transverse hole of the flange; each belly steel longitudinal beam is respectively connected with at least one connecting piece extending upwards, the connecting piece upwards penetrates through the FRP bridge deck, the penetrating part of the connecting piece transversely penetrates through the connecting piece and is provided with a transverse hole, a second transverse pressing strip penetrates through the transverse hole of the connecting piece, and the second transverse pressing strip extends to the top surface of the FRP bridge deck.
Further, the FRP bridge deck is provided with a plurality of FRP bridge decks, each FRP bridge deck extends transversely, the plurality of FRP bridge decks are distributed in a transverse and longitudinal array, and the opposite end parts of the two transversely adjacent FRP bridge decks are built on the same end part steel longitudinal beam together; two T-shaped buckles on the end steel longitudinal beam are respectively clamped at two angle positions of the end of one corresponding FRP bridge deck through the notches at one side of the buckle, and the two T-shaped buckles are respectively clamped at two angle positions of the end of the other corresponding FRP bridge deck through the notches at the other side of the buckle; the flanges on the end steel longitudinal beams are inserted between the corresponding two transversely adjacent FRP bridge deck end surfaces, and the flanges are simultaneously contacted with the corresponding two FRP bridge deck end surfaces; the first transverse pressing strips extend to the top surfaces of corresponding positions of the two corresponding FRP bridge decks.
Further, the root of the connecting piece is sleeved with a rubber sleeve, and the rubber sleeve is supported at the bottom of the corresponding position of the FRP bridge deck.
Further, the flange excess portion is coated with cement at the intersection with the deck slab end.
Further, the intersection of the connector penetration portion and the bridge deck is coated with cement.
Further, the coating area of the cementing agent covers the coverage area of the corresponding transverse pressing strip, so that the transverse pressing strip is cemented with the corresponding position of the top surface of the FRP bridge deck.
Further, the adhesive adopts epoxy adhesive.
Further, the first transverse pressing strip is fixedly connected with the flange into a whole.
Further, the second transverse pressing strip is fixedly connected with the connecting piece into a whole.
A connection method of an FRP bridge deck connection structure comprises the following steps:
step 1, arranging a plurality of steel stringers, and determining an abdomen steel stringer and an end steel stringer according to the design;
step 2, welding and fixing a connecting piece on the belly steel longitudinal beam, and welding and fixing a T-shaped buckle and a flange on the end steel longitudinal beam;
step 3, machining a vertical through hole at the position of the FRP bridge deck corresponding to the connecting piece on the belly steel longitudinal beam according to the design;
step 4, building the FRP bridge deck on each steel longitudinal beam, enabling the T-shaped buckle side surface notch on the end steel longitudinal beam to be clamped into two corners of the corresponding end of the FRP bridge deck, enabling the flange on the end steel longitudinal beam to be tightly attached to the end face of the FRP bridge deck, and enabling the connecting piece on the belly steel longitudinal beam to upwards penetrate through the vertical through hole of the FRP bridge deck;
step 5, processing a transverse hole in the part of the flange, which is upwards beyond the top surface of the FRP bridge deck, and processing a transverse hole in the part of the connecting piece, which is penetrated out of the FRP bridge deck, wherein the lower edge of the transverse hole is flush with the bottom surface of the FRP bridge deck or higher than the top surface of the FRP bridge deck;
step 6, penetrating and installing a first transverse pressing strip in a transverse hole of the flange, pressing the first transverse pressing strip on the top surface of the FRP bridge deck, then coating adhesive at the intersection of the exceeding part of the flange and the FRP bridge deck, and enabling an adhesive coating area to cover the coverage area of the first transverse pressing strip so as to bond the first transverse pressing strip with the corresponding position of the top surface of the FRP bridge deck;
a second transverse pressing strip is arranged in the transverse hole of the connecting piece in a penetrating way, so that the second transverse pressing strip is pressed on the top surface of the FRP bridge deck, then the intersecting part of the penetrating part of the connecting piece and the FRP bridge deck is coated with cementing agent, and the cementing agent coating area covers the coverage area of the second transverse pressing strip, so that the second transverse pressing strip is glued with the corresponding position of the top surface of the FRP bridge deck;
and 7, welding the flange and the first transverse pressing strip, and welding the connecting piece and the second transverse pressing strip respectively to form an integral structure.
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the cementing surface is arranged above the bridge deck, so that the problem that the traditional cementing connection is not detachable can be solved, the maintenance and the replacement are convenient, and the service life of the bridge is greatly prolonged.
2. Compared with the traditional mechanical connection mode such as bolt connection, shear pin connection or bolt gluing mixed connection mode, the insert piece gluing does not need to install nuts inside the bridge deck or below the I-shaped beam, and the structure is convenient, strong in fatigue resistance and convenient to maintain.
3. The adoption of the cementing fixing mode can effectively reduce stress concentration.
4. Simple structure, it is firm to connect, can greatly reduce work load to prefabricated FRP decking in advance, save time, reduction cost.
Drawings
FIG. 1 is a schematic view of the connection structure of a single FRP bridge deck in an embodiment of the present invention.
FIG. 2 is a schematic view of a partial structure of a steel stringer at a common end of adjacent FRP deck of a plurality of FRP deck as in an embodiment of the present invention.
Fig. 3 is a schematic view of an end steel stringer in an embodiment of the present invention.
Fig. 4 is a schematic view of a web steel stringer in accordance with an embodiment of the present invention.
FIG. 5 is a schematic view of the structure of the FRP deck in the embodiment of the invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Example 1
As shown in fig. 1, the FRP deck connection structure is illustrated by taking four steel stringers and one FRP deck 1 as an example. Each steel longitudinal beam extends longitudinally, four steel longitudinal beams are distributed transversely, the FRP bridge deck 1 is built on the four steel longitudinal beams, wherein the steel longitudinal beams at two transverse ends serve as end steel longitudinal beams 2.1 for supporting corresponding end parts of the FRP bridge deck 1, and the middle two steel longitudinal beams serve as belly steel longitudinal beams 2.2 for supporting the belly of the FRP bridge deck 1.
As shown in fig. 3, a pair of T-shaped buckles 3 which are transversely distributed and vertically extend upwards are welded and fixed on each end steel longitudinal beam 2.1, the horizontal section of each T-shaped buckle 3 is of a T shape, therefore, the transverse two sides of each T-shaped buckle 3 are notches of the T shape, one side notch of each T-shaped buckle 3 faces towards the corner position of the corresponding end of the FRP bridge deck 1, and the two T-shaped buckles 3 are respectively clamped at two corners of the corresponding end of the FRP bridge deck 1 in one-to-one correspondence with the side notches.
A flange 4 is welded and fixed to each end steel longitudinal beam 2.1 at the middle position of the two T-shaped buckles 3 (in this embodiment, a flange is taken as an example for illustration). The flange 4 is a rectangular iron sheet, the flange 4 extends upwards to the upper end beyond the top surface of the FRP bridge deck 1, and the flange 4 and the corresponding end surface of the FRP bridge deck are in contact with each other. The flange 4 is transversely penetrated and provided with a transverse hole, the lower edge of the transverse hole is flush with the bottom surface of the FRP bridge deck 1 or higher than the top surface of the FRP bridge deck 1, a first transverse pressing strip 5.1 is fixedly installed in the transverse hole in a penetrating mode, and one end of the first transverse pressing strip 5.1 transversely extends to the top surface of the FRP bridge deck 1.
As shown in fig. 4, each of the belly steel stringers 2.2 is fixedly connected with a connecting piece 6 (in this embodiment, two connecting pieces 6 distributed in a transverse direction are taken as an example for illustration), and the connecting pieces 6 are rectangular iron pieces. As shown in fig. 5, the FRP bridge deck 1 is provided with vertical through holes 7 corresponding to the connection members 6, and the connection members 6 penetrate upward through the vertical through holes 7 corresponding to the FRP bridge deck 1. The penetrating part of the connecting piece 6 is provided with a transverse hole in a penetrating way, the lower edge of the transverse hole is flush with the bottom surface of the FRP bridge deck 1 or higher than the top surface of the FRP bridge deck 1, a second transverse pressing strip 5.2 is fixedly arranged in the transverse hole in a penetrating way, and two ends of the second transverse pressing strip 5.2 respectively transversely extend to the top surface of the FRP bridge deck 1.
The root of the connecting piece 6 can be sleeved with a rubber sleeve 8. The rubber sleeve 8 is used for lifting the FRP bridge deck 1 when the FRP bridge deck 1 is combined with a certain belly steel longitudinal beam 2.2, so that the rubber sleeve 8 is supported at the bottom of the FRP bridge deck 1.
In the above embodiment, the number of the ribs 4 is one, the number of the first transverse pressing strips 5.1 matched with the ribs 4 is one, the number of the connecting pieces 6 is two, and the number of the second transverse pressing strips 5.2 matched with each connecting piece 6 is one. In an actual scene, the number of the flanges 4, the first transverse battens 5.1, the connecting pieces 6 and the second transverse battens 5.2 can be expanded according to the requirement.
Example two
In the second embodiment, the connection structure of the FRP bridge deck is the same as that of the first embodiment, and the end steel longitudinal beam 2.1, the flange 4, the T-shaped buckle 3, the first transverse batten 5.1, the abdomen steel longitudinal beam 2.2, the connecting piece 6, and the second transverse batten 5.2 are the same as those of the first embodiment, and the FRP bridge deck 1 is the same as that of the first embodiment, except that the number of the FRP bridge deck 1 in the second embodiment is multiple. As shown in fig. 2, a plurality of FRP bridge decks 1 are built up in each lateral direction on each steel side member in turn, and opposite ends of laterally adjacent FRP bridge decks 1 share one end steel side member 2.1.
On the end steel longitudinal beam 2.1 shared by two transversely adjacent FRP bridge decks 1, the notch of one direction of two T-shaped buckles 3 is clamped at two corners of one FRP bridge deck 1, the notch of the other direction of two T-shaped buckles 3 is clamped at two corners of the other FRP bridge deck 1, two sides of a flange 4 are respectively contacted with two end faces of the two FRP bridge decks 1, and two ends of a first transverse pressing strip 5.1 transversely penetrating and fixing the flange 4 are respectively extended to the top faces of the two FRP bridge decks 1.
Example III
The embodiment provides a connection method of an FRP bridge deck connection structure, which comprises the following steps:
s1, welding two T-shaped buckles 3 on an end steel longitudinal beam 2.1, welding a flange 4 between the two T-shaped buckles 3 on the end steel longitudinal beam 2.1, wherein the height of the flange 4 is higher than that of the FRP bridge deck 1 in design, and processing a through transverse hole at the part of the flange 4 exceeding the FRP bridge deck 1, wherein the transverse hole is positioned at the center position of the part exceeding the flange 4.
The T-shaped buckles 3 on the end steel stringers 2.1 must be on a horizontal line, and the T-shaped buckles 3 are made of steel consistent with the steel stringers.
S2, arranging a vertical connecting piece 6 on the belly steel longitudinal beam 2.2 in advance, wherein the height of the connecting piece 6 is higher than that of the FRP bridge deck 1, machining a through transverse hole in the exceeding part of the connecting piece 6, positioning the transverse hole in the middle position of the exceeding part of the connecting piece 6, and sleeving a rubber sleeve 8 on the root part of the connecting piece 6.
Before the FRP bridge deck 1 is placed, the rubber sleeve 8 should be sleeved at the root of the connecting piece 6, the tightness degree of the connecting piece 6 and the rubber sleeve 8 should be checked, and rubber can be used for filling if a small gap exists. The rubber sleeve 8 is made of propylene rubber with strong ageing resistance, corrosion resistance and deformation resistance.
S3, processing a vertical through hole 7 in the plate body of the FPR bridge deck plate 1, wherein the position of the vertical through hole 7 is aligned with the position of the connecting piece 6 on the belly steel longitudinal beam 2.2.
S4, placing the FPR bridge deck 1 on the belly steel longitudinal beam 2.2 and the end steel longitudinal beam 2.1, correspondingly supporting the belly and end positions of the FPR bridge deck 1 by the belly steel longitudinal beam 2.2 and the end steel longitudinal beam 2.1, clamping the end corners of the FRP bridge deck 1 by the pre-welded T-shaped buckles 3, enabling the flanges 4 to contact the end face of the FRP bridge deck 1, and enabling the connecting piece 6 to pass through the vertical through holes 7 of the FRP bridge deck 1 upwards.
And S5, respectively coating adhesive at the intersections of the exceeding parts of the flanges 4 and the penetrating parts of the connecting pieces 6 and the FRP bridge deck 1, wherein the adhesive coating range covers the coverage area below the first transverse pressing strips 5.1 and the second transverse pressing strips 5.2 in the design, and when the adhesive is coated, the adhesive is uniformly coated from the transverse holes of the flanges 4 and the connecting pieces 6 to the outside, and the adhesive is epoxy adhesive.
Then the first transverse pressing strip 5.1 passes through the transverse hole of the flange 4, the second transverse pressing strip 5.2 passes through the transverse hole of the connecting piece 6, and at the moment, the first transverse pressing strip 5.1 and the second transverse pressing strip 5.2 are respectively glued with the corresponding positions of the top surface of the FRP bridge deck through the cementing agent. Simultaneously, the first transverse pressing strip 5.1 and the flange 4 and the second transverse pressing strip 5.2 and the connecting piece 6 are respectively welded, so that an integral structure is formed, and the FPR bridge deck 1 and each steel longitudinal beam are further fixed. The first transverse batten 5.1 and the second transverse batten 5.2 are made of the same steel material as the steel longitudinal beam.
The embodiments of the present invention are merely described in terms of preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope of the present invention, and the technical content of the present invention as claimed is fully described in the claims.
Claims (7)
1. The FRP bridge deck connecting structure comprises FRP bridge decks transversely built on a plurality of steel longitudinal beams, wherein the steel longitudinal beams corresponding to the two transverse ends of the FRP bridge decks are end steel longitudinal beams, the steel longitudinal beams corresponding to the abdomen of the FPR bridge deck are abdomen steel longitudinal beams, and the FRP bridge deck connecting structure is characterized in that each end steel longitudinal beam is respectively connected with a pair of T-shaped buckles which are transversely distributed, the horizontal cross sections of the T-shaped buckles are T-shaped, the two T-shaped buckles are respectively clamped at two angle positions of the corresponding end parts of the FRP bridge deck through a notch at one side of each T-shaped buckle, at least one flange which extends upwards is connected between the two T-shaped buckles at each end steel longitudinal beam, the flange is in contact with the corresponding end surface of the FRP bridge deck, the upper end of the flange extends upwards to exceed the top surface of the FRP bridge deck, the exceeding part of the flange is transversely penetrated by a transverse hole, the crossing position of the exceeding part of the flange and the end part of the bridge deck is coated with adhesive, the first transverse pressing strip penetrates through the transverse hole and is adhered to the top surface of the FRP bridge deck, and the first transverse pressing strip extends to the top surface of the FRP bridge deck; each belly steel longitudinal beam is respectively connected with at least one connecting piece extending upwards, the connecting piece upwards penetrates through the FRP bridge deck, the penetrating part of the connecting piece transversely penetrates through the connecting piece and is provided with a transverse hole, the intersecting position of the penetrating part of the connecting piece and the bridge deck is coated with cementing agent, a second transverse pressing strip penetrates through the transverse hole of the connecting piece and is glued with the top surface of the FRP bridge deck, and the second transverse pressing strip extends to the top surface of the FRP bridge deck.
2. The connection structure of the FRP bridge deck as defined in claim 1, wherein a plurality of the FRP bridge decks are provided, each of the FRP bridge decks extends in the transverse direction, the plurality of the FRP bridge decks are distributed in a transverse-longitudinal array, and the opposite end parts of the two transversely adjacent FRP bridge decks are built on the same end part steel longitudinal beam together; two T-shaped buckles on the end steel longitudinal beam are respectively clamped at two angle positions of the end of one corresponding FRP bridge deck through the notches at one side of the buckle, and the two T-shaped buckles are respectively clamped at two angle positions of the end of the other corresponding FRP bridge deck through the notches at the other side of the buckle; the flanges on the end steel longitudinal beams are inserted between the corresponding two transversely adjacent FRP bridge deck end surfaces, and the flanges are simultaneously contacted with the corresponding two FRP bridge deck end surfaces; the first transverse pressing strips extend to the top surfaces of corresponding positions of the two corresponding FRP bridge decks.
3. The connection structure of the FRP bridge deck as defined in claim 1, wherein the root of said connection member is covered with a rubber sleeve, said rubber sleeve being supported at the bottom of the corresponding position of the FRP bridge deck.
4. The FRP bridge deck connecting structure of claim 1, wherein the cement is epoxy cement.
5. The FRP deck slab connecting structure of claim 1, wherein the first transverse bead is fixedly connected with the flange.
6. The FRP deck slab connecting structure of claim 1, wherein the second transverse bead is fixedly connected with the connecting member.
7. A connection method of the FRP bridge deck connection structure according to claim 1, comprising the steps of:
step 1, arranging a plurality of steel stringers, and determining an abdomen steel stringer and an end steel stringer according to the design;
step 2, welding and fixing a connecting piece on the belly steel longitudinal beam, and welding and fixing a T-shaped buckle and a flange on the end steel longitudinal beam;
step 3, machining a vertical through hole at the position of the FRP bridge deck corresponding to the connecting piece on the belly steel longitudinal beam according to the design;
step 4, building the FRP bridge deck on each steel longitudinal beam, enabling the T-shaped buckle side surface notch on the end steel longitudinal beam to be clamped into two corners of the corresponding end of the FRP bridge deck, enabling the flange on the end steel longitudinal beam to be tightly attached to the end face of the FRP bridge deck, and enabling the connecting piece on the belly steel longitudinal beam to upwards penetrate through the vertical through hole of the FRP bridge deck;
step 5, processing a transverse hole in the part of the flange, which is upwards beyond the top surface of the FRP bridge deck, and processing a transverse hole in the part of the connecting piece, which is penetrated out of the FRP bridge deck, wherein the lower edge of the transverse hole is flush with the bottom surface of the FRP bridge deck or higher than the top surface of the FRP bridge deck;
step 6, penetrating and installing a first transverse pressing strip in a transverse hole of the flange, pressing the first transverse pressing strip on the top surface of the FRP bridge deck, then coating adhesive at the intersection of the exceeding part of the flange and the FRP bridge deck, and enabling an adhesive coating area to cover the coverage area of the first transverse pressing strip so as to bond the first transverse pressing strip with the corresponding position of the top surface of the FRP bridge deck;
a second transverse pressing strip is arranged in the transverse hole of the connecting piece in a penetrating way, so that the second transverse pressing strip is pressed on the top surface of the FRP bridge deck, then the intersecting part of the penetrating part of the connecting piece and the FRP bridge deck is coated with cementing agent, and the cementing agent coating area covers the coverage area of the second transverse pressing strip, so that the second transverse pressing strip is glued with the corresponding position of the top surface of the FRP bridge deck;
and 7, welding the flange and the first transverse pressing strip, and welding the connecting piece and the second transverse pressing strip respectively to form an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210458368.7A CN114657876B (en) | 2022-04-27 | 2022-04-27 | FRP bridge deck connection structure and connection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210458368.7A CN114657876B (en) | 2022-04-27 | 2022-04-27 | FRP bridge deck connection structure and connection method |
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| CN114657876A CN114657876A (en) | 2022-06-24 |
| CN114657876B true CN114657876B (en) | 2023-09-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2880899Y (en) * | 2006-03-31 | 2007-03-21 | 中山市公路钢结构制造有限公司 | U-type steel bridge panel of assembling type steel bridge |
| KR101298581B1 (en) * | 2013-02-06 | 2013-08-23 | 이성우 | Connecting structures and methods between frp decks, and deck and girder for tubular deck unit with hybrid connection of snap-fit and bonding |
| CN114016379A (en) * | 2021-11-26 | 2022-02-08 | 巨力索具研究院(天津)有限公司 | Emergent combination bridge of pin-connected panel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100641607B1 (en) * | 2005-06-02 | 2006-11-02 | 한국건설기술연구원 | Fiber reinforced plastics deck module having integrated shear connector and concrete composite deck using thereof |
-
2022
- 2022-04-27 CN CN202210458368.7A patent/CN114657876B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2880899Y (en) * | 2006-03-31 | 2007-03-21 | 中山市公路钢结构制造有限公司 | U-type steel bridge panel of assembling type steel bridge |
| KR101298581B1 (en) * | 2013-02-06 | 2013-08-23 | 이성우 | Connecting structures and methods between frp decks, and deck and girder for tubular deck unit with hybrid connection of snap-fit and bonding |
| CN114016379A (en) * | 2021-11-26 | 2022-02-08 | 巨力索具研究院(天津)有限公司 | Emergent combination bridge of pin-connected panel |
Non-Patent Citations (1)
| Title |
|---|
| FRP桥面板-钢纵梁连接件研究的分析与建议;方海;徐超;刘伟庆;陈林;;钢结构(第02期);第9-13页 * |
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