CN114657876A - FRP bridge deck connecting structure and connecting method - Google Patents

FRP bridge deck connecting structure and connecting method Download PDF

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Publication number
CN114657876A
CN114657876A CN202210458368.7A CN202210458368A CN114657876A CN 114657876 A CN114657876 A CN 114657876A CN 202210458368 A CN202210458368 A CN 202210458368A CN 114657876 A CN114657876 A CN 114657876A
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bridge deck
frp
transverse
frp bridge
steel longitudinal
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CN114657876B (en
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李淑琴
宋京
侯彪
刘凯
孙志彬
李永鑫
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Hefei University of Technology
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Hefei University of Technology
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/12Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125Grating or flooring for bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods 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 FRP bridge decks which are built on a plurality of steel longitudinal beams, wherein end steel longitudinal beams are arranged at two transverse ends of the FRP bridge deck, and abdomen steel longitudinal beams are arranged at abdomen parts of the FRP bridge deck, a pair of T-shaped buckles and flanges are respectively connected to each end steel longitudinal beam, the T-shaped buckles are clamped at two corners of the end part of the FRP bridge deck, the flanges are contacted with the end surface of the FRP bridge deck, the flanges upwards exceed the FRP bridge deck and penetrate through a first transverse batten, a connecting piece 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 batten. 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 two into a whole. The invention can effectively solve the problems that the connection mode in the prior art cannot be disassembled or replaced and the like.

Description

FRP bridge deck connecting structure and connecting method
Technical Field
The invention relates to the technical field of bridge engineering, in particular to an FRP bridge deck connecting structure and an FRP bridge deck connecting method.
Background
The fiber reinforced composite (FRP) bridge deck has the advantages of high specific strength, high specific rigidity, good fatigue resistance, good chemical corrosion resistance and the like, and is widely applied to various fields of building engineering at home and abroad at present. At present, the FRP bridge deck and the steel beam are usually connected by adopting the following modes;
1. adopt the form of gluing, the intensity and the rigidity of this kind of design can full play decking, and the rigidity of combined material decking does not also not degenerate but the gluing is undetachable under fatigue load, consequently is unfavorable for the maintenance and the restoration of bridge, receives temperature and humidity influence simultaneously also great.
2. The clamp connection mode is adopted, the design can effectively avoid upward warping of the bridge deck at the node and movement of the bridge deck along the length direction of the steel beam, but the clamp connection is very labor-consuming, connection construction is difficult to start from the lower side of the bridge deck, researches show that the connection can not enable the steel beam and the FRP bridge deck to work together, and the shear force transmission and fatigue resistance capabilities are general.
3. The bolt connection mode is consistent with the clamp connection mode, bolts are screwed below the bridge deck plate in the bolt connection mode, the distance between the bolts is small, construction is difficult, some bolts are located inside the bridge deck plate, and if nuts fall off, finding and maintaining are difficult.
4. The shear nail connection mode is adopted, the mode has better integral combination performance and convenient construction, and the following defects are also existed: as most shear nails which need grouting are connected and can not be detached, the durability of the mortar under the action of fatigue load is poor, and the treatment for preventing grouting from overflowing is more complicated.
Other connection methods such as hybrid connection: at present, some mixed connection modes are adopted domestically, but the problems of difficult construction, difficult maintenance, undetachable and replaceable, high maintenance cost and the like exist.
Therefore, the following solutions are proposed for the problems of difficult construction, inconvenient maintenance, unremovable and replaceable, 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 aim to solve the problems that the connecting mode in the prior art cannot be disassembled and replaced, is difficult to construct, is not beneficial to maintenance, has high maintenance cost and the like.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an FRP bridge deck connecting structure comprises FRP bridge decks which are transversely built on a plurality of steel longitudinal beams, wherein the steel longitudinal beams corresponding to the two transverse ends of the FRP bridge deck are end steel longitudinal beams, the steel longitudinal beams corresponding to the abdomen of the FPR bridge deck are abdomen steel longitudinal beams, it 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 section of the T-shaped buckle is T-shaped, two T-shaped buckles are respectively clamped at two angular positions at the corresponding end part of the FRP bridge deck through respective side gaps, at least one upward extending flange is connected between the two T-shaped buckles on each end part steel longitudinal beam, the flanges are contacted with the corresponding end surfaces of the FRP bridge deck, the upper ends of the flanges extend upwards to exceed the top surface of the FRP bridge deck, a transverse hole is formed in the part, exceeding the retaining edge, of the retaining edge in a transverse through mode, a first transverse pressing strip penetrates through the transverse hole of the retaining edge, and the first transverse pressing strip extends to the top face of the FRP bridge deck; each abdomen steel longitudinal beam is connected with at least one connecting piece extending upwards, the connecting piece upwards penetrates through the FRP bridge deck, a penetrating part of the connecting piece transversely penetrates through 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.
Furthermore, the number of the FRP bridge decks is multiple, each FRP bridge deck extends transversely, the FRP bridge decks are distributed in a transverse and longitudinal array mode, and the opposite end portions of two transversely adjacent FRP bridge decks are built on the same end portion steel longitudinal beam; the two T-shaped buckles on the end steel longitudinal beam are respectively clamped at two angular positions of the end part of one corresponding FRP bridge deck through a notch at one side of each T-shaped buckle, and the two T-shaped buckles are respectively clamped at two angular positions of the end part of the other corresponding FRP bridge deck through a notch at the other side of each T-shaped buckle; the flanges on the end steel longitudinal beams are inserted between the end surfaces of the two corresponding transversely adjacent FRP bridge decks, and the flanges are simultaneously contacted with the end surfaces of the two corresponding FRP bridge decks; the first transverse pressing strip extends to the top surfaces of the corresponding positions of the two corresponding FRP bridge decks.
Furthermore, 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 positions where the parts beyond the flanges and the bridge deck end are intersected are coated with adhesive.
Further, the intersection position of the connecting piece penetrating part and the bridge deck is coated with adhesive.
Furthermore, the coating area of the adhesive covers the coverage range of the corresponding transverse pressing strip, so that the transverse pressing strip is bonded with the corresponding position of the top surface of the FRP bridge deck.
Further, the adhesive adopts epoxy glue.
Furthermore, the first transverse pressing strip and the flange are fixedly connected into a whole.
Furthermore, the second transverse pressing strip is fixedly connected with the connecting piece into a whole.
A connecting method of an FRP bridge deck connecting structure comprises the following steps:
step 1, arranging a plurality of steel longitudinal beams, and determining an abdominal steel longitudinal beam and an end steel longitudinal beam according to design;
step 2, welding and fixing a connecting piece on the abdomen steel longitudinal beam, and welding and fixing a T-shaped buckle and a flange on the end steel longitudinal beam;
step 3, processing a vertical through hole at the position of the FRP bridge deck corresponding to the upper connecting piece of the belly steel longitudinal beam according to the design;
step 4, building the FRP bridge deck on each steel longitudinal beam, clamping the side notches of the T-shaped buckles on the steel longitudinal beams at the end parts into two corners of the corresponding end parts of the FRP bridge deck, simultaneously enabling the flanges on the steel longitudinal beams at the end parts to be tightly attached to the end surfaces of the FRP bridge deck, and enabling the connecting pieces on the steel longitudinal beams at the abdomen parts to upwards penetrate through the vertical through holes of the FRP bridge deck;
step 5, processing transverse holes at the parts of the flanges, which exceed the top surface of the FRP bridge deck plate upwards, and processing the transverse holes at the parts of the connecting pieces, which penetrate through the FRP bridge deck plate, wherein the lower edges of the transverse holes are flush with the bottom surface of the FRP bridge deck plate or higher than the top surface of the FRP bridge deck plate;
step 6, mounting a first transverse pressing strip in a transverse hole of the rib in a penetrating manner, pressing the first transverse pressing strip on the top surface of the FRP bridge deck, then coating adhesive at the intersection of the part of the rib exceeding the rib and the FRP bridge deck, and covering the coverage range of the first transverse pressing strip in the adhesive coating area so as to bond the first transverse pressing strip with the corresponding position of the top surface of the FRP bridge deck;
penetrating and installing a second transverse pressing strip in a transverse hole of the connecting piece, pressing the second transverse pressing strip on the top surface of the FRP bridge deck, coating adhesive at the intersection of the penetrating part of the connecting piece and the FRP bridge deck, and covering the coverage range of the second transverse pressing strip in the adhesive coating area so as to bond the second transverse pressing strip and the corresponding position of the top surface of the FRP bridge deck;
and 7, respectively welding the flanges and the first transverse pressing strip as well as the connecting piece and the second transverse pressing strip to form an integral structure.
Compared with the prior art, the invention has the advantages that:
1. the invention places the glue joint face above the bridge deck slab, can solve the problem that the traditional glue joint is not detachable, is convenient to maintain and replace, and greatly prolongs the service life of the bridge.
2. Compared with the traditional mechanical connection mode such as a bolt connection mode, a shear nail connection mode or a bolt glue joint mixed connection mode, the inserting sheet glue joint does not need to install a nut inside the bridge deck or below the I-shaped beam, and the bridge deck is convenient to construct, high in fatigue resistance and convenient to maintain.
3. The adoption of the gluing fixing mode can effectively reduce the stress concentration.
4. The structure is simple and convenient, connects firmly, punches to prefabricated FRP decking in advance and can greatly reduce work load, save time reduces the cost.
Drawings
Fig. 1 is a schematic view of a connection structure of a single FRP bridge deck according to an embodiment of the present invention.
FIG. 2 is a schematic view of a portion of a structure of an end steel stringer shared by adjacent FRP decking in a plurality of FRP decking in an embodiment of the invention.
FIG. 3 is a schematic structural view of an end steel stringer in an embodiment of the present invention.
FIG. 4 is a schematic view of the structure of an abdominal steel stringer in an embodiment of the present invention.
FIG. 5 is a schematic structural diagram of an FRP bridge deck in an embodiment of the invention.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example one
As shown in fig. 1, the FRP deck connection structure will be described by taking four steel stringers and one FRP deck 1 as an example. Every steel longeron is along longitudinal extension respectively, and four steel longerons are transverse distribution, and FRP decking 1 is built on four steel longerons, and wherein the steel longeron by horizontal both ends is used for supporting FRP decking 1's the tip that corresponds as tip steel longeron 2.1, and two middle steel longerons are used for supporting FRP decking 1's belly as belly steel longeron 2.2.
As shown in fig. 3, a pair of laterally distributed and vertically and upwardly extending T-shaped buckles 3 are welded and fixed on each end steel longitudinal beam 2.1, a horizontal section of each T-shaped buckle 3 is T-shaped, so that two lateral sides of each T-shaped buckle 3 are T-shaped gaps, one side gap of each T-shaped buckle 3 faces to a corner position of a corresponding end of the FRP bridge deck 1, and the side gaps of the two T-shaped buckles 3 are respectively clamped at two corners of the corresponding end of the FRP bridge deck 1 in a one-to-one correspondence manner.
Flanges 4 (one flange is taken as an example for the present embodiment) are respectively welded and fixed to the middle positions of the two T-shaped buckles 3 on each end steel longitudinal beam 2.1. The flange 4 is a rectangular iron sheet, the flange 4 extends upwards to the upper end to exceed the top surface of the FRP bridge deck 1, and the flange 4 is in contact with the corresponding end surface of the FRP bridge deck. Transversely run through in flange 4 and be provided with the cross bore, the lower edge of cross bore flushes or is higher than 1 top surface of FRP decking with 1 bottom surface of FRP decking, runs through fixed mounting in the cross bore and has first horizontal layering 5.1, and 5.1 one end of first horizontal layering transversely extends to 1 top surface of FRP decking.
As shown in fig. 4, a connecting member 6 (two connecting members 6 distributed in the transverse direction are illustrated in this embodiment) is fixedly connected to each longitudinal web steel beam 2.2, and the connecting member 6 is a rectangular iron sheet. As shown in fig. 5, a vertical through hole 7 is formed in the position, corresponding to the connecting member 6, of the FRP bridge deck 1, and the connecting member 6 upwardly penetrates through the vertical through hole 7 in the position, corresponding to the FRP bridge deck 1. The part of wearing out of connecting piece 6 runs through and is provided with the cross bore, and the lower edge of cross bore flushes or is higher than 1 top surface of FRP decking with 1 bottom surface of FRP decking, runs through fixed mounting in the cross bore and has the horizontal layering 5.2 of second, and the both ends of the horizontal layering 5.2 of second transversely extend to 1 top surface of FRP decking respectively.
The root of connecting piece 6 can suit 8 rubber sleeves of rubber sleeve this rubber sleeve 8 is used for raising FRP decking 1 when combining between FRP decking 1 and certain belly steel longeron 2.2, therefore 8 rubber sleeves support in 1 bottom of FRP decking.
In the above embodiment, the number of the rib 4 is one, the number of the first transverse pressing strips 5.1 matched with the rib 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 pressing strips 5.1, the connecting pieces 6 and the second transverse pressing strips 5.2 can be expanded as required.
Example two
In the second embodiment, the FRP bridge deck connecting structure is provided, wherein the end steel longitudinal beams 2.1, the flanges 4, the T-shaped buckles 3 and the first transverse battens 5.1, and the web steel longitudinal beams 2.2, the connecting members 6 and the second transverse battens 5.2 are the same as the first embodiment, and the FRP bridge deck 1 has the same structure as the first embodiment except that the FRP bridge deck 1 is provided in a plurality of numbers in the second embodiment. As shown in fig. 2, a plurality of FRP bridge decks 1 are built on each steel longitudinal beam in turn in each transverse direction, and the opposite ends of the FRP bridge decks 1 adjacent in the transverse direction share one end steel longitudinal beam 2.1.
On the tip steel longeron 2.1 that two horizontal adjacent FRP decking 1 shares, the breach of 3 one directions of two T type buckles blocks in two corners of one of them FRP decking 1, the breach of 3 another directions of two T type buckles blocks in two corners of another FRP decking 1, the both sides of flange 4 respectively with two end face contact of two FRP decking 1, the both ends that flange 4 transversely runs through fixed first horizontal layering 5.1 extend to the top surface of two FRP decking 1 respectively.
EXAMPLE III
The embodiment provides a method for connecting an FRP bridge deck connecting structure, which comprises the following steps:
s1, welding two T-shaped buckles 3 on the 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, machining a through transverse hole at the exceeding part of the flange 4 exceeding the FRP bridge deck 1, and the transverse hole is positioned at the center of the exceeding part of the flange 4.
The T-shaped buckles 3 on the end steel longitudinal beams 2.1 are required to be on a horizontal line, and the T-shaped buckles 3 are made of steel materials consistent with the steel longitudinal beams.
S2, presetting a vertical connecting piece 6 on the belly steel longitudinal beam 2.2, wherein the height of the connecting piece 6 is higher than that of the FRP bridge deck 1, and processing a through transverse hole at the exceeding part of the connecting piece 6, wherein the transverse hole is positioned at the center of the exceeding part of the connecting piece 6, and sleeving a rubber sleeve 8 at the root part of the connecting piece 6.
Before placing the FRP bridge deck 1, the rubber sleeve 8 is sleeved on the root part of the connecting piece 6, the tightness of the connecting piece 6 and the rubber sleeve 8 is checked, and if a small gap exists, the rubber can be filled. The rubber sleeve 8 is made of acrylic rubber with ageing resistance, corrosion resistance and strong deformation resistance.
S3, processing a vertical through hole 7 in the plate body of the FPR bridge panel 1, wherein the position of the vertical through hole 7 is aligned with the position of the connecting piece 6 on the abdomen 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 steel longitudinal beam 2.2 and the end steel longitudinal beam 2.1 on the belly and end positions of the FPR bridge deck 1, clamping the end corner of the FRP bridge deck 1 by the pre-welded T-shaped buckle 3, and enabling the flange 4 to contact the end face of the FRP bridge deck 1 while enabling the connecting piece 6 to upwards penetrate through the vertical through hole 7 of the FRP bridge deck 1.
S5, respectively smearing adhesive at the intersection of the part where the flange 4 exceeds and the penetrating part of the connecting piece 6 and the FRP bridge deck 1, wherein the smearing range of the adhesive covers the lower coverage range of the first transverse bead 5.1 and the second transverse bead 5.2 in the design, the adhesive is smeared uniformly outwards from the transverse holes of the flange 4 and the connecting piece 6 when smearing, and the adhesive is epoxy glue.
And then, the first transverse batten 5.1 penetrates through the transverse hole of the flange 4, the second transverse batten 5.2 penetrates through the transverse hole of the connecting piece 6, and at the moment, the first transverse batten 5.1 and the second transverse batten 5.2 are respectively glued with the corresponding positions of the top surface of the FRP bridge deck by using glue. Meanwhile, welding treatment is respectively carried out between the first transverse pressing strip 5.1 and the flange 4 and between the second transverse pressing strip 5.2 and the connecting piece 6, 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 steel materials the same as the steel longitudinal beams.
The embodiments of the present invention are described only for the preferred embodiments of the present invention, and not for the limitation of the concept and scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall into the protection scope of the present invention, and the technical content of the present invention which is claimed is fully set forth in the claims.

Claims (10)

1. An FRP bridge deck connecting structure comprises FRP bridge decks which are transversely built on a plurality of steel longitudinal beams, wherein the steel longitudinal beams corresponding to the two transverse ends of the FRP bridge deck are end steel longitudinal beams, the steel longitudinal beams corresponding to the abdomen of the FPR bridge deck are abdomen steel longitudinal beams, it 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 section of the T-shaped buckle is T-shaped, two T-shaped buckles are respectively clamped at two angular positions at the corresponding end part of the FRP bridge deck through respective side gaps, at least one upward extending flange is connected between the two T-shaped buckles on each end part steel longitudinal beam, the flanges are contacted with the corresponding end surfaces of the FRP bridge deck, the upper ends of the flanges extend upwards to exceed the top surface of the FRP bridge deck, a transverse hole is formed in the part, exceeding the retaining edge, of the retaining edge in a transverse through mode, a first transverse pressing strip penetrates through the transverse hole of the retaining edge, and the first transverse pressing strip extends to the top face of the FRP bridge deck; each abdomen steel longitudinal beam is connected with at least one connecting piece extending upwards, the connecting piece upwards penetrates through the FRP bridge deck, a penetrating part of the connecting piece is transversely provided with a transverse hole in a penetrating manner, 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.
2. An FRP bridge deck connection structure as claimed in claim 1, wherein the FRP bridge deck is provided in plurality, each FRP bridge deck extends in a transverse direction, the FRP bridge decks are distributed in a transverse and longitudinal array, and the opposite ends of two FRP bridge decks adjacent in the transverse direction are built on the same end steel longitudinal beam; the two T-shaped buckles on the end steel longitudinal beam are respectively clamped at two corresponding angular positions of the end part of one FRP bridge deck through respective notches at one side, and the two T-shaped buckles are respectively clamped at two corresponding angular positions of the end part of the other FRP bridge deck through respective notches at the other side; the flanges on the end steel longitudinal beams are inserted between the end surfaces of the two corresponding transversely adjacent FRP bridge decks, and the flanges are simultaneously contacted with the end surfaces of the two corresponding FRP bridge decks; the first transverse pressing strip extends to the top surfaces of the corresponding positions of the two corresponding FRP bridge decks.
3. The FRP bridge deck connecting structure as claimed in claim 1, wherein the rubber sleeve is sleeved on the root of the connecting member, and the rubber sleeve is supported on the bottom of the corresponding position of the FRP bridge deck.
4. An FRP decking connection according to claim 1 wherein the rib beyond the point where the part meets the decking end is coated with adhesive.
5. An FRP bridge deck connection structure as claimed in claim 1 wherein the crossing position of the connection member penetrating portion and the bridge deck is coated with cement.
6. An FRP bridge deck connection structure as claimed in claim 4 or 5 wherein the coated area of adhesive covers the coverage of the corresponding transverse batten to bond the transverse batten to the corresponding position on the top surface of the FRP bridge deck.
7. An FRP bridge deck connection structure as claimed in claim 4 or 5 wherein said adhesive is epoxy glue.
8. The FRP bridge deck connection structure as claimed in claim 1, wherein the first transverse beads are fixedly connected with the ribs.
9. The FRP bridge deck connection structure as claimed in claim 1, wherein the second transverse beads are fixedly connected with the connecting members.
10. A method for connecting FRP decking structures according to claim 1, comprising the steps of:
step 1, arranging a plurality of steel longitudinal beams, and determining an abdominal steel longitudinal beam and an end steel longitudinal beam according to design;
step 2, welding and fixing a connecting piece on the abdomen steel longitudinal beam, and welding and fixing a T-shaped buckle and a flange on the end steel longitudinal beam;
step 3, processing a vertical through hole at the position of the FRP bridge deck corresponding to the upper connecting piece of the belly steel longitudinal beam according to the design;
step 4, building the FRP bridge deck on each steel longitudinal beam, clamping the side notches of the T-shaped buckles on the steel longitudinal beams at the end parts into two corners of the corresponding end parts of the FRP bridge deck, simultaneously enabling the flanges on the steel longitudinal beams at the end parts to be tightly attached to the end surfaces of the FRP bridge deck, and enabling the connecting pieces on the steel longitudinal beams at the abdomen parts to upwards penetrate through the vertical through holes of the FRP bridge deck;
step 5, processing transverse holes at the parts of the flanges, which exceed the top surface of the FRP bridge deck plate upwards, and processing the transverse holes at the parts of the connecting pieces, which penetrate through the FRP bridge deck plate, wherein the lower edges of the transverse holes are flush with the bottom surface of the FRP bridge deck plate or higher than the top surface of the FRP bridge deck plate;
step 6, penetrating and installing a first transverse pressing strip in a transverse hole of the flange, enabling the first transverse pressing strip to press the top surface of the FRP bridge deck, then coating adhesive at the intersection of the part, exceeding the flange, of the FRP bridge deck, and enabling the adhesive coating area to cover the coverage range of the first transverse pressing strip, so that the first transverse pressing strip is bonded with the corresponding position of the top surface of the FRP bridge deck;
penetrating and installing a second transverse pressing strip in a transverse hole of the connecting piece, pressing the second transverse pressing strip on the top surface of the FRP bridge deck, coating adhesive at the intersection of the penetrating part of the connecting piece and the FRP bridge deck, and covering the coverage range of the second transverse pressing strip in the adhesive coating area so as to bond the second transverse pressing strip and the corresponding position of the top surface of the FRP bridge deck;
and 7, respectively welding the flanges with the first transverse pressing strip and the connecting piece with the second transverse pressing strip to form an integral structure.
CN202210458368.7A 2022-04-27 2022-04-27 FRP bridge deck connection structure and connection method Active CN114657876B (en)

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CN114657876B CN114657876B (en) 2023-09-29

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060272111A1 (en) * 2005-06-02 2006-12-07 Byung-Suk Kim Fiber reinforced plastics bearing deck module having integrated shear connector and concrete composite bearing deck using the same
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060272111A1 (en) * 2005-06-02 2006-12-07 Byung-Suk Kim Fiber reinforced plastics bearing deck module having integrated shear connector and concrete composite bearing deck using the same
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)

* Cited by examiner, † Cited by third party
Title
方海;徐超;刘伟庆;陈林;: "FRP桥面板-钢纵梁连接件研究的分析与建议", 钢结构, no. 02, pages 9 - 13 *

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