CN220246710U - Fatigue reinforcing device for welding seam of orthorhombic steel bridge deck - Google Patents
Fatigue reinforcing device for welding seam of orthorhombic steel bridge deck Download PDFInfo
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- CN220246710U CN220246710U CN202321613007.1U CN202321613007U CN220246710U CN 220246710 U CN220246710 U CN 220246710U CN 202321613007 U CN202321613007 U CN 202321613007U CN 220246710 U CN220246710 U CN 220246710U
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 64
- 238000003466 welding Methods 0.000 title claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 32
- 239000010959 steel Substances 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims description 101
- 239000012790 adhesive layer Substances 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 29
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000000452 restraining effect Effects 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The utility model discloses a weld fatigue reinforcing device for an orthorhombic steel bridge deck plate, which comprises a steel bridge deck plate and a reinforcing mechanism, wherein the steel bridge deck plate comprises a top plate, U ribs and a diaphragm plate, the U ribs are welded on the lower surface of the top plate, the diaphragm plate is provided with a notch for the U ribs to vertically pass through, the notch is provided with a connecting section and a releasing section from outside to inside, and two opposite side walls of the connecting section are respectively welded on two corresponding outer side walls of the U ribs. The beneficial effects of the utility model are as follows: the method can strengthen the weld joint of the U rib and the diaphragm plate and the fatigue crack at the arc-shaped part of the notch arranged on the diaphragm plate, avoids the problem of reduced fatigue performance at the reinforced position caused by the traditional crack-stopping hole method, the crack welding method or the steel plate reinforcing method, and improves the reliability of repairing the weld joint of the U rib and the diaphragm plate and the fatigue crack at the arc-shaped part of the notch arranged on the diaphragm plate.
Description
Technical Field
The utility model relates to the technical field of bridge engineering, in particular to a weld fatigue reinforcing device for an orthogonal deformed steel bridge deck.
Background
The orthogonal special-shaped bridge deck has the advantages of light weight, high strength, wide application range, easy industrial manufacture, high construction speed and the like, and is widely applied to large-span bridges and city bridges. However, the orthorhombic steel bridge deck has complex structure, a large number of welding seams and obvious stress concentration phenomenon, and the fatigue cracking problem is outstanding under the comprehensive actions of factors such as vehicle load and initial manufacturing defects. The weld joints of the U ribs and the top plate, the weld joints of the U ribs and the diaphragm plates and the butt weld joints of the U ribs are main fatigue vulnerable parts of the steel bridge deck, and the highest proportion of fatigue cracking problems occurs at the weld joints of the U ribs and the diaphragm plates and the arc-shaped cuts of the diaphragm plates in the parts is important constructional detail of the orthorhombic deformed steel bridge deck.
For the weld joint of the U rib and the diaphragm plate and the fatigue crack at the arc-shaped notch of the diaphragm plate, the conventional steel bridge fatigue crack repairing method such as a crack stopper method, a crack welding method or a steel plate reinforcing method can be generally adopted. Although the methods improve the stress condition of the defect part of the original structure to a certain extent, certain new problems are brought to the structure. For example: the fracture-stopping hole method is adopted to weaken the cross section, and in addition, if the position of the fracture-stopping hole cannot be accurately positioned at the tip of the fracture, the fracture can continue to expand, so that the fracture-stopping hole is invalid in function; the crack welding method is more in time consumption when the welding line is polished, high in construction quality requirement and easy to introduce residual stress with unfavorable fatigue resistance at the weld toe part; for the steel plate reinforcing method, the reinforced steel plate is inevitably subjected to new local stress concentration or new defects in the connecting process by adopting welding connection or bolting connection, so that new fatigue cracks are easy to generate, meanwhile, in order to install splice plates and bolts in the U ribs, hand holes are required to be formed in the U ribs, the mode is large in workload, damage weakening effect is generated on the section of the original structure, and further expansion of the fatigue cracks is difficult to prevent. Therefore, the crack-stopping hole method, the crack welding method or the steel plate reinforcing method have some technical problems, so that the fatigue performance of the reinforced position is greatly reduced by the repairing methods, and meanwhile, the existing welding line fatigue reinforcing device (such as an orthotropic steel bridge deck welding line fatigue reinforcing structure and a reinforcing method thereof disclosed in the application number 202110287628.4) can only reinforce the fatigue vulnerable area of the welding part between the top plate and the U rib, but cannot reinforce the welding line of the U rib and the diaphragm and the fatigue crack of the arc-shaped notch of the diaphragm. Therefore, how to improve the reliability of repairing the fatigue cracks at the welding seams of the U ribs and the diaphragm plates of the steel bridge deck and the arc-shaped cuts of the diaphragm plates is a problem to be solved in the field.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an orthogonal special-shaped steel bridge deck slab weld joint fatigue reinforcement device, which solves the technical problems that in the prior art, by adopting a traditional crack-stopping hole method, a crack welding method or a steel plate reinforcement method to reinforce the U-rib and diaphragm slab weld joint and the fatigue crack at the arc-shaped notch of the diaphragm slab, the fatigue performance of the reinforced position is greatly reduced due to some technical problems, and meanwhile, the conventional weld joint fatigue reinforcement device can only reinforce the fatigue vulnerable area of the welding position between a top plate and the U-rib, but can not reinforce the U-rib and the diaphragm slab weld joint and the fatigue crack at the arc-shaped notch of the diaphragm slab, so that the reliability of repairing the U-rib and the diaphragm slab weld joint and the fatigue crack at the arc-shaped notch of the diaphragm slab is improved.
In order to achieve the technical purpose, the technical scheme of the utility model provides a fatigue reinforcement device for a welding seam of an orthorhombic steel bridge deck, which comprises the following components:
the steel bridge deck comprises a top plate, a U rib and a diaphragm plate, wherein the U rib is welded on the lower surface of the top plate, a notch for the U rib to vertically pass through is formed in the diaphragm plate, a connecting section and a releasing section are arranged on the notch from outside to inside, two opposite side walls of the connecting section are respectively welded on two corresponding outer side walls of the U rib, a gap is reserved between the bottom of the releasing section and the lower surface of the U rib, the two opposite side walls of the releasing section are of arc structures, a first fatigue vulnerable area is arranged around the welding of the U rib and the diaphragm plate, and a second fatigue vulnerable area is arranged around the arc of the notch;
the reinforcement mechanism comprises a reinforcement, wherein the reinforcement is provided with a first reinforcement area used for reinforcing the first fatigue vulnerable area and a second reinforcement area used for reinforcing the second fatigue vulnerable area.
Further, the reinforcement mechanism further comprises an adhesive layer, and the adhesive layer is arranged between the reinforcement and the corresponding fatigue vulnerable area.
Further, the reinforcement includes first gusset plate and second gusset plate, first gusset plate can dismantle and be fixed in on the lateral wall of U rib, the second gusset plate can dismantle and be fixed in on the diaphragm, the upper portion of second gusset plate with first gusset plate fixed connection, and be used for forming first reinforcement region, the lower part of second gusset plate is used for forming second reinforcement region.
Further, the reinforcing mechanism further comprises a first fastener, and the first fastener is used for fixedly connecting the first reinforcing plate, the bonding layer and the side wall of the U-shaped rib.
Further, the reinforcing mechanism further comprises a second fastening piece, and the second fastening piece is used for fixedly connecting the second reinforcing plate, the bonding layer and the diaphragm plate.
Further, a plurality of first screw holes are formed in the side wall of the U-shaped rib, a plurality of second screw holes corresponding to the first screw holes one by one are formed in the first reinforcing plate, the first fastening pieces are a plurality of first bolts, and each first bolt penetrates through the corresponding second screw hole, the bonding layer and the first screw hole respectively and is in threaded connection with the corresponding first screw hole and the corresponding second screw hole.
Further, a plurality of third screw holes are formed in the diaphragm plate, a plurality of fourth screw holes corresponding to the third screw holes one by one are formed in the second reinforcing plate, the second fastening pieces are a plurality of second bolts, and the second bolts respectively penetrate through the corresponding fourth screw holes, the bonding layer and the third screw holes and are in threaded connection with the corresponding fourth screw holes and the corresponding third screw holes.
Further, a notch is formed in the lower portion of the second reinforcing plate, and the notch is of an arc-shaped structure and is matched with the arc-shaped portion of the notch.
Further, the second reinforcing plate is perpendicular to the first reinforcing plate.
Further, the reinforcing mechanism further comprises an anti-corrosion layer, and the anti-corrosion layer is coated on the surfaces of the first reinforcing plate and the second reinforcing plate.
Compared with the prior art, the utility model has the beneficial effects that: the first fatigue vulnerable area can be reinforced through the first reinforcing area, the second fatigue vulnerable area can be reinforced through the second reinforcing area, thereby reinforcing the U rib and the diaphragm welding seam and the fatigue crack at the arc-shaped position of the notch formed on the diaphragm through the reinforcing member, enhancing the cooperative stress between the U rib and the diaphragm, effectively restricting the torsional deformation of the arc-shaped position of the notch formed on the U rib and the diaphragm, greatly reducing the stress concentration degree of the U rib and the diaphragm welding seam and the arc-shaped position of the notch formed on the diaphragm, effectively improving the fatigue performance, reducing the stress level of the structural damaged position, effectively slowing down the development of the fatigue crack at the arc-shaped position of the notch formed on the U rib and the diaphragm welding seam and the diaphragm, and avoiding the problem of reduced fatigue performance at the reinforced position caused by the traditional crack stop hole method, the crack welding method or the steel plate reinforcing method, and improving the reliability of the repair of the fatigue crack at the arc-shaped position of the notch formed on the U rib and the diaphragm.
Drawings
FIG. 1 is a schematic perspective view of a weld fatigue reinforcing device for an orthorhombic steel bridge deck;
FIG. 2 is an elevation view of an orthographic profiled bar deck weld fatigue reinforcement device of FIG. 1;
FIG. 3 is a right side view of the weld fatigue reinforcement device of the orthographic profiled bar deck of FIG. 1;
FIG. 4 is a schematic perspective view of a reinforcement member of the fatigue reinforcement device for the weld joint of the orthorhombic bridge deck shown in FIG. 1;
in the figure: 100-steel bridge deck, 110-top plate, 120-U rib, 130-diaphragm plate, 131-cutout, 1311-connecting section, 1312-releasing section, 140-first fatigue vulnerable area, 150-second fatigue vulnerable area, 200-reinforcing mechanism, 210-reinforcing member, 211-first reinforcing area, 212-second reinforcing area, 213-first reinforcing plate, 214-second reinforcing plate, 2141-cutout, 220-adhesive layer, 230-first fastening member, 240-second fastening member.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model provides a weld joint fatigue reinforcement device for an orthorhombic steel bridge deck, the structure of which is shown in fig. 1 and 2, comprising a steel bridge deck 100 and a reinforcement mechanism 200, wherein the steel bridge deck 100 comprises a top plate 110, a U-shaped rib 120 and a diaphragm 130, the U-shaped rib 120 is welded on the lower surface of the top plate 110, the diaphragm 130 is provided with a notch 131 for the U-shaped rib 120 to vertically pass through, the notch 131 is provided with a connecting section 1311 and a release section 1312 from outside to inside, two opposite side walls of the connecting section 1311 are respectively welded on two corresponding outer side walls of the U-shaped rib 120, a space is reserved between the bottom of the release section 1312 and the lower surface of the U-shaped rib 120, the two opposite side walls of the release section 1312 are arc-shaped structures, the welding circumference of the U-shaped rib 120 and the diaphragm 130 is set to be a first fatigue area 140, and the arc circumference of the notch 131 is provided with a second fatigue vulnerable area 150; the reinforcement means 200 comprises a reinforcement member 210, the reinforcement member 210 having a first reinforcement region 211 for reinforcing the first fatigue vulnerable region 140 and a second reinforcement region 212 for reinforcing the second fatigue vulnerable region 150.
The first fatigue vulnerable area 140 can be reinforced through the first reinforcing area 211, the second fatigue vulnerable area 150 can be reinforced through the second reinforcing area 212, thereby reinforcing the U rib 120, the welding seam of the diaphragm plate 130 and the fatigue crack at the arc-shaped position of the notch 131 formed on the diaphragm plate 130 through the reinforcing member 210, enhancing the cooperative stress between the U rib 120 and the diaphragm plate 130, effectively restraining the torsional deformation of the arc-shaped position of the notch 131 formed on the U rib 120 and the diaphragm plate 130, greatly reducing the stress concentration degree of the welding seam of the U rib 120 and the diaphragm plate 130 and the arc-shaped position of the notch 131 formed on the diaphragm plate 130, effectively improving the fatigue performance of the structure damaged part, effectively slowing down the development of the fatigue crack at the arc-shaped position of the notch 131 formed on the U rib 120 and the diaphragm plate 130, and avoiding the problem of repairing the fatigue crack at the welding seam by the welding seam of the arc-shaped position of the diaphragm plate 130 due to the conventional hole method or the reinforcement method.
As a preferred embodiment, please refer to fig. 1 and 3, the reinforcing mechanism 200 further includes an adhesive layer 220, the adhesive layer 220 is disposed between the reinforcement 210 and the corresponding fatigue vulnerable area, the material of the adhesive layer 220 may be reasonably adjusted according to practical situations, and the adhesive layer 220 is disposed between the reinforcement 210 and the U-rib 120 and the diaphragm 130, so as to enhance the connection performance of the reinforcement 210 and the U-rib 120 and the diaphragm 130, reduce the relative sliding and the stress at the screw hole, and effectively fill the gap between the reinforcement 210 and the U-rib 120 and the diaphragm 130 due to unevenness through the adhesive layer 220, thereby playing a role of isolating air and preventing corrosion.
As a preferred embodiment, please refer to fig. 1 and 4, the reinforcement 210 includes a first reinforcement plate 213 and a second reinforcement plate 214, the first reinforcement plate 213 is detachably fixed on the outer sidewall of the U-rib 120, the second reinforcement plate 214 is detachably fixed on the diaphragm 130, the upper portion of the second reinforcement plate 214 is fixedly connected with the first reinforcement plate 213 and is used for forming the first reinforcement region 211, the lower portion of the second reinforcement plate 214 is used for forming the second reinforcement region 212, the shapes of the first reinforcement plate 213, the second reinforcement plate 214 and the adhesive layer 220 can be adjusted according to the specific dimensions of the arc-shaped parts of the cut 131 formed on the U-rib 120 and the diaphragm 130, so that the first reinforcement plate 213, the second reinforcement plate 214, the adhesive layer 220 can be tightly attached to the U-rib 120 and the diaphragm 130, and the first reinforcement plate 213 and the second reinforcement plate 214 can be attached to the U-rib 120 and the diaphragm 130 at the same time, and the first reinforcement plate 214 and the cut-rib 120 have a crack or the cut-open region 131 formed by the arc-shaped cut-shaped part of the diaphragm 130.
As a preferred embodiment, please refer to fig. 1 and 2, the reinforcement mechanism 200 further includes a first fastener 230, the first fastener 230 is used for fixedly connecting the first reinforcement plate 213, the bonding layer 220, and the side walls of the U-rib 120, the first fastener 230 can implement single-side fastening, avoid forming a hand hole on the U-rib 120 to weaken the performance of the U-rib 120, and the first fastener 230 tightly connects the first reinforcement plate 213, the bonding layer 220, and the U-rib 120, thereby increasing the structural rigidity of the U-rib 120 and the arc-shaped portion of the slit 131 formed on the diaphragm 130, reducing the deformation range under load, and effectively delaying the propagation of fatigue cracks.
As a preferred embodiment, referring to fig. 1 and 2, the reinforcing mechanism 200 further includes a second fastening member 240, where the second fastening member 240 is used to fixedly connect the second reinforcing plate 214, the adhesive layer 220 and the diaphragm 130, and the second fastening member 240 is used to tightly connect the second reinforcing plate 214, the adhesive layer 220 and the diaphragm 130, so as to increase structural rigidity of the weld joint between the U-rib 120 and the diaphragm 130 and the arc-shaped position of the notch 131 formed on the diaphragm 130, reduce deformation amplitude under load, and effectively delay the propagation of fatigue crack.
As a preferred embodiment, please refer to fig. 1, a plurality of first screw holes are formed on the side wall of the U-shaped rib 120, a plurality of second screw holes corresponding to the corresponding first screw holes one by one are formed on the first reinforcement plate 213, the first fastening member 230 is a plurality of first bolts, each first bolt passes through the corresponding second screw hole, the bonding layer 220 and the first screw hole, and is screwed with the corresponding first screw hole and the corresponding second screw hole, the first reinforcement plate 213, the bonding layer 220 and the U-shaped rib 120 are tightly connected through the plurality of first bolts, so that residual stress generated by welded connection can be avoided, and meanwhile, the first screw holes can also release partial stress in the U-shaped rib 120, so that the stress level of the first screw hole area is reduced.
As a preferred embodiment, when the second screw holes are formed in the first reinforcement plate 213, the size and number of the second screw holes may be adjusted according to the specific shapes of the first reinforcement plate 213 and the adhesive layer 220, so that the first reinforcement plate 213, the adhesive layer 220 and the U-shaped rib 120 may be tightly connected, and when the first screw holes are formed, the positions may be appropriately adjusted according to the crack propagation conditions, and when the first screw holes are just positioned at the crack tips, the crack stop holes may be formed.
As a preferred embodiment, referring to fig. 1, the diaphragm 130 is provided with a plurality of third screw holes, the second reinforcing plate 214 is provided with a plurality of fourth screw holes corresponding to the third screw holes one by one, the second fastening member 240 is a plurality of second bolts, each second bolt passes through the corresponding fourth screw hole, the bonding layer 220 and the third screw hole, and is screwed with the corresponding fourth screw hole and third screw hole, the second reinforcing plate 214, the bonding layer 220 and the diaphragm 130 are tightly connected by the plurality of second bolts, so that residual stress generated by welding connection can be avoided, and meanwhile, the third screw holes are provided to release part of stress in the diaphragm 130, so that stress level of an opening area is reduced.
As a preferred embodiment, when the fourth screw hole is formed in the second reinforcing plate 214, the size and number of the third screw holes may be adjusted according to the specific shapes of the second reinforcing plate 214 and the adhesive layer 220, so that the second reinforcing plate 214, the adhesive layer 220 and the diaphragm 130 may be tightly connected, and when the third screw hole is formed, the third screw hole may be properly adjusted according to the crack propagation condition, and when the third screw hole is just located at the crack tip, the crack stop hole may be formed.
As a preferred embodiment, referring to fig. 1 and 4, a notch 2141 is formed in the lower portion of the second reinforcing plate 214, and the notch 2141 has an arc structure and is adapted to the arc position of the notch 131, so as to improve the reinforcing effect of the second reinforcing plate 214 on the arc position of the notch 131 formed in the diaphragm 130.
As a preferred embodiment, referring to fig. 4, the second reinforcing plate 214 is perpendicular to the first reinforcing plate 213, so that the first reinforcing plate 213 may be in close contact with the U-rib 120, and the second reinforcing plate 214 may be in close contact with the diaphragm 130, which increases the structural rigidity of the weld joint between the U-rib 120 and the diaphragm 130 and the arc-shaped portion of the notch 131 formed in the diaphragm 130, reduces the deformation range under load, and effectively delays the propagation of fatigue crack.
As a preferred embodiment, the reinforcement mechanism 200 further includes an anti-corrosion layer coated on the surfaces of the first reinforcement plate 213 and the second reinforcement plate 214 to improve corrosion resistance of the first reinforcement plate 213 and the second reinforcement plate 214.
As a preferred embodiment, the weld between the U-rib 120 and the diaphragm 130 and the area of the arc-shaped portion of the notch 131 formed in the diaphragm 130, which is at risk of fatigue crack or has fatigue crack, are subjected to surface cleaning treatment before reinforcement.
For better understanding of the present utility model, the following details of the working principle of the technical solution of the present utility model are described with reference to fig. 1 to 4:
the utility model provides a weld fatigue reinforcing device for an orthorhombic steel bridge deck, which comprises the following components
The beneficial effects are that:
(1) The first reinforcement plate 213 and the second reinforcement plate 214 are in bolted connection to reinforce the welding seam between the U-rib 120 and the diaphragm plate 130 and the area where the arc-shaped part of the notch 131 formed on the diaphragm plate 130 has a cracking risk or has fatigue cracks, so that the area has a wider coverage area, the possible expansion direction of the fatigue cracks can be better covered, and the crack expansion is effectively inhibited;
(2) The reinforcement 210 is used for reinforcing the weld joints of the U-ribs 120 and the diaphragm plates 130 and the fatigue cracks at the arc-shaped positions of the notches 131 formed in the diaphragm plates 130, so that the cooperative stress between the U-ribs 120 and the diaphragm plates 130 can be enhanced, the torsional deformation of the arc-shaped positions of the notches 131 formed in the U-ribs 120 and the diaphragm plates 130 is effectively restrained, the stress concentration degree of the weld joints of the U-ribs 120 and the diaphragm plates 130 and the arc-shaped positions of the notches 131 formed in the diaphragm plates 130 is greatly reduced, the fatigue performance of the joint is effectively improved, and the stress level of the structural damage part is reduced;
(3) The reinforcement 210 is used for reinforcing the weld joints of the U-ribs 120 and the diaphragm plates 130 and the fatigue cracks at the arc-shaped positions of the notches 131 formed in the diaphragm plates 130, so that the problem of reduced fatigue performance at the reinforced positions caused by a traditional crack-stopping hole method, a crack welding method or a steel plate reinforcing method is avoided, and the reliability of repairing the fatigue cracks at the weld joints of the U-ribs 120 and the diaphragm plates 130 and the arc-shaped positions of the notches 131 formed in the diaphragm plates 130 is improved.
The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any of various other corresponding changes and modifications made according to the technical idea of the present utility model should be included in the scope of the claims of the present utility model.
Claims (10)
1. An orthorhombic steel bridge deck panel weld fatigue reinforcement device, comprising:
the steel bridge deck comprises a top plate, a U rib and a diaphragm plate, wherein the U rib is welded on the lower surface of the top plate, a notch for the U rib to vertically pass through is formed in the diaphragm plate, a connecting section and a releasing section are arranged on the notch from outside to inside, two opposite side walls of the connecting section are respectively welded on two corresponding outer side walls of the U rib, a gap is reserved between the bottom of the releasing section and the lower surface of the U rib, the two opposite side walls of the releasing section are of arc structures, a first fatigue vulnerable area is arranged around the welding of the U rib and the diaphragm plate, and a second fatigue vulnerable area is arranged around the arc of the notch;
the reinforcement mechanism comprises a reinforcement, wherein the reinforcement is provided with a first reinforcement area used for reinforcing the first fatigue vulnerable area and a second reinforcement area used for reinforcing the second fatigue vulnerable area.
2. The orthotopic steel deck slab weld fatigue reinforcement device of claim 1, wherein the reinforcement mechanism further comprises an adhesive layer disposed between the reinforcement and a corresponding fatigue vulnerable area.
3. The orthographic profiled bar deck weld fatigue reinforcement device of claim 2, wherein the reinforcement comprises a first reinforcement plate detachably secured to the outer sidewall of the U-rib and a second reinforcement plate detachably secured to the diaphragm plate, an upper portion of the second reinforcement plate being fixedly connected to the first reinforcement plate and being configured to form the first reinforcement region and a lower portion of the second reinforcement plate being configured to form the second reinforcement region.
4. The orthorhombic bridge deck panel weld fatigue reinforcement device of claim 3, wherein the reinforcement mechanism further comprises a first fastener for fixedly connecting the first reinforcement plate, the adhesive layer, and the side walls of the U-ribs.
5. The orthographic profiled bar deck panel weld fatigue reinforcement device of claim 3, wherein the reinforcement mechanism further comprises a second fastener for fixedly connecting the second reinforcement plate, the adhesive layer, and the diaphragm.
6. The fatigue reinforcement device for the welding seam of the orthorhombic bridge deck plate according to claim 4, wherein a plurality of first screw holes are formed in the side wall of the U-shaped rib, a plurality of second screw holes corresponding to the first screw holes one by one are formed in the first reinforcement plate, the first fasteners are a plurality of first bolts, and each first bolt penetrates through the corresponding second screw hole, the bonding layer and the first screw hole and is in threaded connection with the corresponding first screw hole and second screw hole.
7. The fatigue reinforcement device for the welding seam of the orthorhombic bridge deck plate according to claim 5, wherein a plurality of third screw holes are formed in the diaphragm plate, a plurality of fourth screw holes which are respectively in one-to-one correspondence with the corresponding third screw holes are formed in the second reinforcement plate, the second fastening pieces are a plurality of second bolts, and each second bolt respectively penetrates through the corresponding fourth screw holes, the bonding layer and the corresponding third screw holes and is in threaded connection with the corresponding fourth screw holes and the corresponding third screw holes.
8. The fatigue reinforcement device for the welding seam of the orthorhombic bridge deck according to claim 3, wherein a notch is formed in the lower portion of the second reinforcement plate, and the notch is of an arc-shaped structure and is matched with the arc-shaped portion of the notch.
9. The orthographic profiled bar deck weld fatigue reinforcement device of claim 3, wherein the second reinforcement plate is perpendicular to the first reinforcement plate.
10. The orthographic profiled bar deck weld fatigue reinforcement device of claim 3, wherein the reinforcement mechanism further comprises an anti-corrosion layer applied to the surfaces of the first and second reinforcement plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613007.1U CN220246710U (en) | 2023-06-21 | 2023-06-21 | Fatigue reinforcing device for welding seam of orthorhombic steel bridge deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321613007.1U CN220246710U (en) | 2023-06-21 | 2023-06-21 | Fatigue reinforcing device for welding seam of orthorhombic steel bridge deck |
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| Publication Number | Publication Date |
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| CN220246710U true CN220246710U (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321613007.1U Active CN220246710U (en) | 2023-06-21 | 2023-06-21 | Fatigue reinforcing device for welding seam of orthorhombic steel bridge deck |
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| Country | Link |
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| CN (1) | CN220246710U (en) |
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2023
- 2023-06-21 CN CN202321613007.1U patent/CN220246710U/en active Active
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