CN109898429A - A kind of structure and its construction technology reinforced for Bridge Crack - Google Patents
A kind of structure and its construction technology reinforced for Bridge Crack Download PDFInfo
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- CN109898429A CN109898429A CN201910291668.9A CN201910291668A CN109898429A CN 109898429 A CN109898429 A CN 109898429A CN 201910291668 A CN201910291668 A CN 201910291668A CN 109898429 A CN109898429 A CN 109898429A
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Abstract
The present invention provides a kind of structures and its construction technology reinforced for Bridge Crack, a plurality of step is modified out on the inner wall in crack, it opens up reinforced hole and sets up support frame, filler is poured again, so that having stable support construction in crack, ruggedized construction can combine together with bridge ontology, it can be subjected to various transverse directions, longitudinal stress and do not fall off, so that the internal structure in crack is more firm, sealant is equipped between filler and strengthening steel slab, corrosive substance can be obstructed enter fracture in the ruggedized construction of crack and cause secondary destruction, it is conducive to extend the service life of ruggedized construction, the outer edge of strengthening steel slab mounting groove is opened up apart from crack mouthful > 100mm, it can guarantee that crack sealing part structure is more firm, secondary destruction is not easily caused to be arranged, strengthening steel slab mounting groove outer edge is 3 at a distance from fixed point simultaneously 0~50mm, while fixed reinforce, but also stress more evenly, is able to bear bigger pressure between ruggedized construction and crack.
Description
Technical field
The present invention relates to bridge maintenance fields, more particularly to a kind of structure reinforced for Bridge Crack and its construction work
Skill.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.
Current existing bridge is largely reinforced concrete structure, since bridge can be subjected to the wind day that drenches with rain for a long time
Shine, in addition the weight in use process, hit and naturally expand with heat and contract with cold, can all cause breakage to bridge, and then generation is opened
It splits, form crack, this can seriously reduce the load-bearing capacity of bridge, if repaired not in time, crack the more will be expanded the more big, very
To the collapsing that will lead to bridge, great security risk and economic loss are caused.
The structures and methods in current existing reinforcement bridge crack simple built reinforcing bar and are poured typically in crack
Concrete can not be integrated although this reinforcing mode can temporarily repair the crack on bridge with former bridge structure,
The phenomenon that ruggedized construction and the disengaging of bridge ontology will be generated after a period of use, not only it cannot be guaranteed that reinforcing axle casing just
It is often used, it can also further expansion crack.
Therefore, a kind of structure and its construction technology reinforced for Bridge Crack is needed, existing highway bridge crack is able to solve
Reinforcement means and structure are ineffective for Bridge Crack punishment, and ruggedized construction is easy to fall off, the problem that cannot be fixed for a long time.
Summary of the invention
It is above-mentioned existing to solve the object of the present invention is to provide a kind of structure and its construction technology reinforced for Bridge Crack
There are Bridge Crack reinforcement means and structure to punish Bridge Crack ineffective, ruggedized construction is easy to fall off, cannot consolidate for a long time
Fixed problem.
To achieve the above object, the present invention provides following schemes:
The present invention provides a kind of structure reinforced for Bridge Crack, including with crannied bridge ontology, the bridge
The covering of the crack of ontology mouthful place is fixed with strengthening steel slab, equipped with support frame in the crack of the bridge ontology, support frame as described above and
Gap filling between the crack of the bridge ontology has a filler, and the filler covers support frame as described above completely, the filler with
Sealant is additionally provided between the strengthening steel slab；
Wherein, it is equipped with strengthening steel slab mounting groove at the crack mouthful of the bridge ontology, the strengthening steel slab installs and fixes
In in the strengthening steel slab mounting groove, the crack inner wall finishing of the bridge ontology has several steps, and every step is equal
Top is extended to by the crack mouthful bottom of the crack bridge ontology, the bottommost of every step offers corresponding master and adds
Solid hole, the side of every layer of step are equipped with transversely strengthening hole, and the plane of every layer of step is equipped with longitudinal reinforcement hole；
Support frame as described above includes main support rod, and the main support rod is plugged in the main reinforced hole, the transversely strengthening
Kong Jun is inserted with transversely strengthening bar, and the transversely strengthening bar fixed company of the main support rod corresponding with step where it
It connects, the longitudinal reinforcement hole is inserted with longitudinal reinforcement bar, and the transverse direction of the longitudinal reinforcement bar with step where it adds
Solid rod is fixedly connected, and is fixedly connected to connecting rod between every two main support rods.
Preferably, the minimum range at the strengthening steel slab mounting groove outer edge crack apart from the bridge ontology mouthful edge
≥100mm。
Preferably, the fixed point of the strengthening steel slab mounting groove and the bridge ontology is apart from the strengthening steel slab mounting groove
Outer peripheral distance is 30~50mm.
Preferably, item number >=2 of the step.
Preferably, each layer height of the step is 60~120mm.
Preferably, the depth of the main reinforced hole is 40~100mm.
Preferably, the depth in the transversely strengthening hole and the longitudinal reinforcement hole is 20~40mm.
It is a kind of for Bridge Crack reinforce structure construction technology, the construction technology the following steps are included:
(1) modify crack: by the crack on bridge be trimmed to long and width be all larger than 15cm can working size, in crack
Step is modified out on wall, and strengthening steel slab mounting groove is opened up out according to the size in crack mouthful；
(2) fixing support rack: main reinforced hole, transversely strengthening hole and longitudinal reinforcement hole are opened up at the step in crack, will be split
Seam is cleaned out, and main support rod, transversely strengthening bar, longitudinal reinforcement bar and connecting rod are connected and fixed by corresponding position；
(3) pour filler: filler is poured in gap in crack, and constantly vibrates, filler pour to strengthening steel slab
The bottom surface of mounting groove is concordant；
(4) it is laid with sealant: being laid with sealant in the bottom surface of filler surface and strengthening steel slab mounting groove；
(5) strengthening steel slab is installed: strengthening steel slab is mounted on strengthening steel slab mounting groove and fixation.
Preferably, the filler uses cement concrete, health is needed after molding 4~7 days.
Preferably, the sealant uses epoxy resin glue material, and laying depth is 2~6mm.
The present invention achieves following advantageous effects compared with the existing technology:
1, a kind of structure and its construction technology reinforced for Bridge Crack provided by the invention, is repaired on the inner wall in crack
Whole a plurality of step out opens up the reinforced hole of certain depth, the corresponding main support rod of every step, step on every layer of step
On reinforced hole in plug reinforcing bar, reinforcing bar stress in reinforced hole is more stable, between reinforcing bar and corresponding reinforcing bar,
It is fixedly connected with, is connected and fixed between main support rod bar by connecting rod, then pour and fill out between reinforcing bar and corresponding main support rod
Material, so that having stable support construction in crack, ruggedized construction can combine together with bridge ontology, can be subjected to various cross
It is not fallen off to, longitudinal stress, so that the internal structure in crack is more firm.
2, a kind of structure and its construction technology reinforced for Bridge Crack provided by the invention, in filler and strengthening steel slab
Between be equipped with sealant, corrosive substance can be obstructed enter fracture in the ruggedized construction of crack and cause secondary destruction, favorably
In the service life for extending ruggedized construction.
3, a kind of structure and its construction technology reinforced for Bridge Crack provided by the invention, strengthening steel slab mounting groove
Outer edge is opened up apart from crack mouthful > 100mm, can guarantee that crack sealing part structure is more firm, and secondary destruction is not easily caused to set
Set, at the same the fixed point of strengthening steel slab mounting groove and bridge ontology apart from the outer peripheral distance of strengthening steel slab mounting groove be 30~
50mm, while fixed reinforce, but also stress more evenly, is able to bear bigger pressure between ruggedized construction and crack.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is that ruggedized construction is longitudinal in a kind of structure and its construction technology reinforced for Bridge Crack provided by the invention
Cross-sectional view；
Fig. 2 is that supporting frame part is bowed in a kind of structure and its construction technology reinforced for Bridge Crack provided by the invention
View；
Fig. 3 is construction technology process in a kind of structure and its construction technology reinforced for Bridge Crack provided by the invention
Figure；
In figure: 1: bridge ontology, 11: step, 111: transversely strengthening hole, 112: longitudinal reinforcement hole, 12: strengthening steel slab installation
Slot, 13: main reinforced hole, 2: support frame, 21: main support rod, 22: transversely strengthening bar, 23: longitudinal reinforcement bar, 24: connecting rod, 3:
Strengthening steel slab, 4: filler, 5: sealant.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of structures and its construction technology reinforced for Bridge Crack, by crack
Setting support frame simultaneously pour filler, covering strengthening steel slab, Bridge Crack is reinforced it is firmer, to solve existing highway bridge crack
Reinforcement means and structure are ineffective for Bridge Crack punishment, and ruggedized construction is easy to fall off, the problem that cannot be fixed for a long time.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of structures reinforced for Bridge Crack, and as depicted in figs. 1 and 2, ruggedized construction includes band
Crannied bridge ontology 1, the crack of bridge ontology 1 mouthful place, which covers, is fixed with strengthening steel slab 3, sets in the crack of bridge ontology 1
There is support frame 2, the gap filling between support frame 2 and the crack of bridge ontology 1 has filler 4, and filler 4 covers support frame 2 completely,
Sealant 5 is additionally provided between filler 4 and strengthening steel slab 3.
Specifically, the crack mouthful of bridge ontology 1 offers strengthening steel slab mounting groove 12,12 outer edge of strengthening steel slab mounting groove
The minimum range at the crack mouthful edge apart from bridge ontology 1 is 120mm, and strengthening steel slab 3 is mounted and fixed to reinforce by screw
In steel plate mounting groove 12, screw is 40mm, the crack inner wall of bridge ontology 1 apart from the outer peripheral distance of strengthening steel slab mounting groove 12
Finishing has 5 steps 11, and every step 11 extends to top by the crack mouthful bottom of crack bridge ontology 1, step 11 it is every
One layer height is controlled in 60mm, and the bottommost of every step 11 offers corresponding main reinforced hole 13, the depth of main reinforced hole 13
For 50mm, diameter 12mm, the side of every layer of step 11 is equipped with transversely strengthening hole 111, and the plane of every layer of step 11 is equipped with
The depth in longitudinal reinforcement hole 112, transversely strengthening hole 111 and longitudinal reinforcement hole 112 is 30mm, diameter 8mm.
Further, support frame 2 includes main support rod 21, and main support rod 21 selects 10mm reinforcing bar, and is plugged in main reinforcing
In hole 13, transversely strengthening hole 111 is inserted with transversely strengthening bar 22, and transversely strengthening bar 22 selects 6mm reinforcing bar, and transversely strengthening bar
22 are fixedly connected with the corresponding main support rod 21 of step where it by tying up silk, and longitudinal reinforcement hole 112 is inserted with longitudinal direction
Reinforcing bar 23, longitudinal reinforcement bar 23 select 6mm reinforcing bar, and transversely strengthening bar 22 of the longitudinal reinforcement bar 23 with step where it passes through
It ties up silk to be fixedly connected, is fixedly connected with connecting rod 24 by tying up silk between every two main support rods 21.
The construction technology of the above-mentioned structure reinforced for Bridge Crack uses electric pick counterincision as shown in Figure 1,2 and 3 first
Seam is modified, and the size for work is modified out in crack, 5 steps 11, every layer of height of step 11 are modified out in crack
Degree control opens up strengthening steel slab mounting groove 12,12 outer edge of strengthening steel slab mounting groove and crack around crack mouthful in 60mm
The minimum range at mouth edge is 120mm, connecting hole is opened up on strengthening steel slab mounting groove 12 using drill, connecting hole distance adds
It Gu 12 outer edge of steel plate mounting groove is 40mm, can guarantee that crack sealing part structure is more firm in this way, not easily cause secondary broken
Bad setting, while fixed reinforce, but also stress more evenly, is able to bear bigger pressure between ruggedized construction and crack
Power.
Further, main reinforced hole 13, transversely strengthening hole 111 and longitudinal reinforcement hole 112 are bored in crack using drill,
Each main reinforced hole 13 is in the bottommost of every step 11, diameter 12mm, depth 50mm, each transversely strengthening hole 111
In the center of every layer of step side, diameter 8mm, depth 30mm, reinforced hole 112 is in every layer of step plane longitudinally in each
Center, support that diameter 8mm, depth 30mm, in this way drilling enable support frame 2 to consolidate crack and solid
It is fixed, and will not fracture destroy again, cleared up using hair dryer fracture, blowout dust, residue etc. avoid subsequent reinforcement
It is the entrance for having sundries, material needed for ready for reinforcing crack selects 10mm reinforcing bar as main support rod 21,6mm reinforcing bar conduct
Transversely strengthening bar 22 and longitudinal reinforcement bar 23, and reinforcing bar is cut into suitable length according to the size in crack, by main support rod 21
It is inserted into main reinforced hole 13, transversely strengthening bar 22 is inserted into transversely strengthening hole 111 and is fixed on main support by tying up silk
On bar 21, longitudinal reinforcement bar 23 is inserted into longitudinal reinforcement hole 112 and is fixed on every transversely strengthening bar 22 by tying up silk,
The connecting rod 24 that appropriate length is chosen further according to the position of 5 main support rods 21, is fixed on every two by tying up silk for connecting rod 24
Between root main support rod 21, such support frame 2 just sets up completion, sets up support frame in this way and makes have stable support in crack
Structure.
Further, it is poured onto cement concrete as filler 4 in the crack for having set up support frame 2, during which with vibration
It smashes device constantly to vibrate, the air being discharged in concrete simultaneously makes concrete enter the every nook and cranny in crack, more steps up in crack
It is close, until concrete is concordant with the bottom surface of strengthening steel slab mounting groove 12, watering health 4 days is carried out after concrete forms completely,
So that concrete and support frame are more firm in crack, ruggedized construction can combine together with bridge ontology, can be subjected to each
It plants stress laterally, longitudinal and does not fall off, so that the internal structure in crack is more firm.
Finally, being laid with one layer of sealant 5 on the bottom surface of molding concrete surface and strengthening steel slab mounting groove 12, select
Epoxide-resin glue avoids foreign object from corroding crack and damages, will reinforce steel after glue is dry as sealing material, laying depth 3mm
Plate 3 is mounted in strengthening steel slab mounting groove 12, is inserted into expansion bolt in the connecting hole of strengthening steel slab mounting groove 12, will reinforce steel
Plate 3 is fixed on bridge ontology 1, completes the reinforcing of Bridge Crack.
Invention applies a specific example illustrates the principle and implementation of the invention, above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.To sum up, the content of the present specification should not manage
Solution is limitation of the present invention.
Claims (10)
1. a kind of structure reinforced for Bridge Crack, including with crannied bridge ontology (1), it is characterised in that: the bridge
It covers and is fixed with strengthening steel slab (3) at the crack mouthful of beam ontology (1), support frame is equipped in the crack of the bridge ontology (1)
(2), the gap filling between support frame as described above (2) and the crack of the bridge ontology (1) has filler (4), and the filler (4) is complete
It is complete to cover support frame as described above (2), sealant (5) are additionally provided between the filler (4) and the strengthening steel slab (3)；
Wherein, strengthening steel slab mounting groove (12) are equipped at the crack mouthful of the bridge ontology (1), strengthening steel slab (3) installation
And be fixed in the strengthening steel slab mounting groove (12), the crack inner wall finishing of the bridge ontology (1) has several steps
(11), every step (11) extends to top by the crack mouthful bottom of the crack bridge ontology (1), and every described
The bottommost of rank (11) offers corresponding main reinforced hole (13), and the side of every layer of step (11) is equipped with transversely strengthening hole
(111), the plane of every layer of step (11) is equipped with longitudinal reinforcement hole (112)；
Support frame as described above (2) includes main support rod (21), and the main support rod (21) is plugged in the main reinforced hole (13), institute
Transversely strengthening hole (111) is stated to be inserted with transversely strengthening bar (22), and the transversely strengthening bar (22) with it where step
The corresponding main support rod (21) is fixedly connected, and the longitudinal reinforcement hole (112) is inserted with longitudinal reinforcement bar (23), described
Longitudinal reinforcement bar (23) is fixedly connected with the transversely strengthening bar (22) of step where it, every two main support rods
(21) connecting rod (24) are fixedly connected between.
2. a kind of structure reinforced for Bridge Crack according to claim 1, it is characterised in that: the strengthening steel slab peace
Minimum range >=the 100mm at tankage (12) the outer edge crack apart from the bridge ontology (1) mouthful edge.
3. a kind of structure reinforced for Bridge Crack according to claim 2, it is characterised in that: the strengthening steel slab peace
The fixed point of tankage (12) and the bridge ontology (1) apart from the outer peripheral distance of the strengthening steel slab mounting groove (12) be 30~
50mm。
4. a kind of structure reinforced for Bridge Crack according to claim 1, it is characterised in that: the step (11)
Item number >=2.
5. a kind of structure reinforced for Bridge Crack according to claim 1, it is characterised in that: the step (11)
Each layer height is 60~120mm.
6. a kind of structure reinforced for Bridge Crack according to claim 1, it is characterised in that: the main reinforced hole
(13) depth is 40~100mm.
7. a kind of structure reinforced for Bridge Crack according to claim 1, it is characterised in that: the transversely strengthening hole
(111) and the depth in the longitudinal reinforcement hole (112) is 20~40mm.
8. a kind of construction technology of the structure reinforced for Bridge Crack as described in claim 1~7 is any, feature exist
In: the construction technology the following steps are included:
(1) modify crack: by the crack on bridge be trimmed to long and width be all larger than 15cm can working size, on the inner wall of crack
Step is modified out, and strengthening steel slab mounting groove is opened up out according to the size in crack mouthful；
(2) fixing support rack: opening up main reinforced hole, transversely strengthening hole and longitudinal reinforcement hole at the step in crack, and crack is clear
Reason is clean, and main support rod, transversely strengthening bar, longitudinal reinforcement bar and connecting rod are connected and fixed by corresponding position；
(3) pour filler: filler is poured in the gap in crack, and constantly vibrates, and filler is poured to strengthening steel slab and installed
The bottom surface of slot is concordant；
(4) it is laid with sealant: being laid with sealant in the bottom surface of filler surface and strengthening steel slab mounting groove；
(5) strengthening steel slab is installed: strengthening steel slab is mounted on strengthening steel slab mounting groove and fixation.
9. a kind of construction technology of structure reinforced for Bridge Crack according to claim 8, it is characterised in that: described
Filler uses cement concrete, health is needed after molding 4~7 days.
10. a kind of construction technology of structure reinforced for Bridge Crack according to claim 8, it is characterised in that: institute
Sealant is stated using epoxy resin glue material, laying depth is 2~6mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910291668.9A CN109898429B (en) | 2019-04-12 | 2019-04-12 | Structure for reinforcing bridge cracks and construction process thereof |
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|---|---|---|---|
| CN201910291668.9A CN109898429B (en) | 2019-04-12 | 2019-04-12 | Structure for reinforcing bridge cracks and construction process thereof |
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| CN109898429B CN109898429B (en) | 2021-06-08 |
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| CN110735403A (en) * | 2019-10-09 | 2020-01-31 | 北京夏都水利工程有限公司 | Repair structure for bridge pier cracks and reinforcing method thereof |
| CN113356087A (en) * | 2021-06-01 | 2021-09-07 | 中铁十九局集团有限公司 | Bridge crack repairing method |
| CN113882213A (en) * | 2021-10-09 | 2022-01-04 | 宁波市天马生态建设有限公司 | Highway damage repairing method |
| CN114892466A (en) * | 2022-05-24 | 2022-08-12 | 新疆北新科技创新咨询有限公司 | Road gap filling and repairing structure |
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| CN109898429B (en) | 2021-06-08 |
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Address after: Floor 16-17, block a, Yingke Plaza, 217 Gaoxin street, Gaoxin District, Urumqi, Xinjiang Uygur Autonomous Region 830011 Patentee after: XINJIANG BEIXIN ROAD & BRIDGE GROUP Co.,Ltd. Patentee after: Xinjiang Beixin technology innovation Consulting Co.,Ltd. Address before: Floor 16-17, block a, Yingke Plaza, 217 Gaoxin street, Gaoxin District, Urumqi, Xinjiang Uygur Autonomous Region 830011 Patentee before: XINJIANG BEIXIN ROAD & BRIDGE GROUP Co.,Ltd. Patentee before: XINJIANG BEIXIN SIFANG ENGINEERING TESTING CONSULTING Co.,Ltd. |
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