CN109778653A - A kind of concrete structure crack method for repairing and mending - Google Patents
A kind of concrete structure crack method for repairing and mending Download PDFInfo
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- CN109778653A CN109778653A CN201811646071.3A CN201811646071A CN109778653A CN 109778653 A CN109778653 A CN 109778653A CN 201811646071 A CN201811646071 A CN 201811646071A CN 109778653 A CN109778653 A CN 109778653A
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- crack
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- mending
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Abstract
The invention discloses a kind of concrete structure crack method for repairing and mending, belong to building engineering field.The concrete structure crack method for repairing and mending, including grooving step, reinforce preparation process, cleanup step, the step that mends a split, reinforcing crack step, sealing groove step, the method for repairing and mending above crack by opening up strengthening groove, adhesive is poured into crack, the further expansion cracking for reinforcing connecting pre- cracking-proof is played inside crack, repair layer is perfused again on crack top simultaneously, and adds rinforcement bar identical with crack growth direction in repair layer, rinforcement bar is conducive to resist cracking forces；By the crack repairing method, it can avoid crack and crack again after repairing.
Description
Technical field
The present invention relates to building engineering field more particularly to a kind of concrete structure crack method for repairing and mending.
Background technique
Currently, reinforced concrete structure has many advantages, such as that easy for construction, bearing capacity is big, in phases such as bridge pavement urban architectures
It closes in architectural engineering, since various construction reasons or use environment influence, it is unavoidable that crack, which occurs, in concrete structure.Than
Such as, around the road surface of reinforced concrete structure or the expansion joint of bridge floor, due to various factors, building is using a period of time
Later, crack can be extended by expansion joint, this crack is usually irregular cracks, for this structure sheaf crack, if too late
When repair, will cause rainwater and infiltrated into inside reinforced concrete structure by crack, lead to internal steel bar stress corrosion so that
The depression of bearing force of road surface or bridge floor is easy to cause the damage on bridge floor or road surface.
But the existing concrete structure crack method for repairing and mending to road or bridge, generally only directly infused into crack
Epoxy resin is repaired with fracture, but again by load action around crack, concrete structure is stretched, crack
It can split again；Such method for repairing and mending is inefficient.
Summary of the invention
For overcome the deficiencies in the prior art, the concrete structure good the purpose of the present invention is to provide a kind of repair efficiency
Crack repairing method.
The purpose of the present invention adopts the following technical scheme that realization:
Grooving step: a kind of concrete structure crack method for repairing and mending chooses slotted zones, so that crack is located at the slotted zones
It is interior, the groove depth of 8-15cm is outputed in slotted zones using cutter device, to form strengthening groove, slot of the crack in the strengthening groove
Bottom has opening；
Preparation process: the extending direction along the crack is reinforced, interval opens up several groups reinforced hole group, reinforces described in every group
Hole group includes the reinforcing vertical core being symmetrically positioned in the crack two sides；
Cleanup step: the crack two sides, the cleaning reinforcing vertical core, the cleaning reinforcement are cleared up using high pressure blower
Slot；
Mend a split step: adhesive being injected the crack using syringe；
It reinforces crack step: adhesive being injected into the reinforcing vertical core using syringe；Both ends have the reinforcing of bending part
Muscle both ends are inserted into respectively in the reinforcing vertical core of the crack two sides；
Sealing groove step: the casting concrete in the strengthening groove forms repair layer to fill the strengthening groove.
Further, further include curing step: carrying out water seasoning in the repair layer, it is described to split after maintenance
Seam position can continue to use.
Further, further include cleaning step before the grooving step: first cleaning the crack and its attached with water flow
Close concrete structure.
Further, the average headway in the slotted zones two sides and the crack is 3-8cm.
Further, several rinforcement bars are connected and fixed integrally by longitudinal rib.
Further, each reinforced hole group interval 5-10cm setting.
Further, the adhesive used in step and reinforcing crack step that mends a split is poly- ammonia Asia rouge
Adhesive.
Further, in the cleanup step, it is also necessary to using degreasing staple dip in acetone or alcohol scrubbing polishing is crossed
Region, to remove the concrete powder and dust around crack.
Compared with prior art, the beneficial effects of the present invention are:
Strengthening groove is opened up above crack, adhesive is poured into crack, and reinforcement is played inside crack and connects pre- anticracking
The further expansion of seam cracks, while repair layer being perfused again on crack top, and add in repair layer and crack growth direction
Identical rinforcement bar, rinforcement bar are conducive to resist cracking forces；By the crack repairing method, crack can avoid after repairing again
Cracking.
Detailed description of the invention
Fig. 1 is the process flow chart of concrete structure crack method for repairing and mending of the invention.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
As shown in Figure 1, a kind of concrete structure crack method for repairing and mending is present embodiments provided, this method comprises:
Grooving step: choosing slotted zones, so that crack is located in slotted zones, using cutter device, such as utilizes grooving machine,
The groove depth of 8-15cm is outputed in slotted zones, and to form strengthening groove, crack has opening in the slot bottom of strengthening groove；
Preparation process: the extending direction along crack is reinforced, interval opens up several groups reinforced hole group, and every group of reinforced hole group includes
It is symmetrically positioned in the reinforcing vertical core in crack two sides, reinforces vertical core for fixing rinforcement bar；
Cleanup step: reinforcing vertical core, cleaning strengthening groove using high pressure blower cleaning crack two sides, cleaning, by crack,
The dirt sand clast blowout in vertical core and in strengthening groove is reinforced, the repair efficiency in impurity effect later period is avoided；
Mend a split step: adhesive is injected into crack using syringe, wherein can use ordinary syringe, adhesive
Polyurethane, epoxy resin etc. can be selected, and adhesive can increase penetrant, be conducive to adhesive and penetrate into crack；
It reinforces crack step: adhesive being injected using syringe and reinforces vertical core；Both ends have the rinforcement bar two of bending part
End is inserted into respectively in the reinforcing vertical core of crack two sides；By rinforcement bar across crack, the work that limitation crack is further cracked is played
With, cooperate crack inside adhesive, effectively crack is avoided to crack again；Improve repair efficiency；
Sealing groove step: to adhesive primary solidification, the casting concrete in strengthening groove forms repairing to fill strengthening groove
Layer.
Preferably, it reinforces in the step of crack, toward reinforcing in vertical core the adhesive for injecting 1/2 to 2/3 hole depth, then by rinforcement bar
End insertion, rinforcement bar squeeze out adhesive extra in vertical core, so that filling full glue between rinforcement bar and reinforcing vertical core inner wall
Glutinous agent, after adhesive is dry, rinforcement bar is connected firmly with vertical core inner wall is reinforced, so that even if generating shake at crack when bearing load
Dynamic, rinforcement bar still keeps fastening strength, will not generate displacement.
Specifically, strengthening groove is opened up above crack, adhesive is poured into crack, and reinforcement connection is played inside crack
The further expansion of pre- cracking-proof cracks, while repair layer being perfused again on crack top, and adds in repair layer and expand with crack
The identical rinforcement bar of general orientation, rinforcement bar are conducive to resist cracking forces；By the crack repairing method, it can avoid crack and repairing
It cracks again afterwards.
Preferably, further include curing step: carrying out water seasoning in repair layer, after maintenance, location of cracks can be with
It continues to use.
Preferably, further include cleaning step before grooving step: first cleaning crack and its neighbouring concrete with water flow
Structure.
Preferably, the average headway in slotted zones two sides and crack is 3-8cm.
Preferably, it in order to improve the consolidation effect of rinforcement bar, is connected and fixed integrally in several rinforcement bars by longitudinal rib.
Preferably, each reinforced hole group interval 5-10cm is arranged.
Preferably, adhesive used in the step that mends a split and reinforcing crack step is poly- ammonia Asia rouge adhesive, is gathered
Ammonia Asia rouge adhesive can rapid curing, it is only necessary to wait 10 minutes or so, be conducive to accelerate patch work progress.
Preferably, in cleanup step, it is also necessary to the region that acetone or alcohol scrubbing polishing are crossed is dipped in using degreasing staple, with
Remove the concrete powder and dust around crack.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (8)
1. a kind of concrete structure crack method for repairing and mending, it is characterised in that:
Grooving step: slotted zones are chosen so that crack is located in the slotted zones and output 8- in slotted zones using cutter device
The groove depth of 15cm, to form strengthening groove, the crack has opening in the slot bottom of the strengthening groove；
Preparation process: the extending direction along the crack is reinforced, interval opens up several groups reinforced hole group, reinforced hole group described in every group
Including being symmetrically positioned in the reinforcing vertical core in the crack two sides；
Cleanup step: the crack two sides, the cleaning reinforcing vertical core, the cleaning strengthening groove are cleared up using high pressure blower；
Mend a split step: adhesive being injected the crack using syringe；
It reinforces crack step: adhesive being injected into the reinforcing vertical core using syringe；Both ends have the rinforcement bar two of bending part
End is inserted into respectively in the reinforcing vertical core of the crack two sides；
Sealing groove step: the casting concrete in the strengthening groove forms repair layer to fill the strengthening groove.
2. concrete structure crack method for repairing and mending as described in claim 1, it is characterised in that:
Further include curing step: carrying out water seasoning in the repair layer, after maintenance, the location of cracks can continue
It uses.
3. concrete structure crack method for repairing and mending as described in claim 1, it is characterised in that:
Further include cleaning step before the grooving step: first cleaning the crack and its neighbouring concrete knot with water flow
Structure.
4. concrete structure crack method for repairing and mending as described in claim 1, it is characterised in that:
The average headway in the slotted zones two sides and the crack is 3-8cm.
5. concrete structure crack method for repairing and mending according to any one of claims 1-4, it is characterised in that:
Several rinforcement bars are connected and fixed integrally by longitudinal rib.
6. concrete structure crack method for repairing and mending as claimed in claim 5, it is characterised in that:
Each reinforced hole group interval 5-10cm setting.
7. concrete structure crack method for repairing and mending according to any one of claims 1-4, it is characterised in that:
The adhesive used in step and reinforcing crack step that mends a split is poly- ammonia Asia rouge adhesive.
8. concrete structure crack method for repairing and mending as described in claim 1, it is characterised in that:
In the cleanup step, it is also necessary to dip in the region that acetone or alcohol scrubbing polishing are crossed using degreasing staple, be split with removal
Concrete powder and dust around stitching.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811646071.3A CN109778653A (en) | 2018-12-30 | 2018-12-30 | A kind of concrete structure crack method for repairing and mending |
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| CN201811646071.3A CN109778653A (en) | 2018-12-30 | 2018-12-30 | A kind of concrete structure crack method for repairing and mending |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110714626A (en) * | 2019-10-23 | 2020-01-21 | 广东穗都建筑工程有限公司 | Building wall leakage repairing method |
| CN110952464A (en) * | 2019-12-20 | 2020-04-03 | 沈靖林 | Bridge pier repairing and reinforcing construction method |
| CN111996928A (en) * | 2020-09-03 | 2020-11-27 | 侯小柱 | Bridge crack repairing method |
| CN112176817A (en) * | 2020-08-20 | 2021-01-05 | 中冶天工集团有限公司 | Method for treating cracks of base panel of road reconstruction project |
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| EP2873772A1 (en) * | 2013-11-14 | 2015-05-20 | Oliver T. Meyer | Method and device for the repair of cracks in asphalt or similar surfaces |
| CN204401432U (en) * | 2015-01-09 | 2015-06-17 | 洛阳城市建设勘察设计院有限公司 | A kind of measures of cracks on concrete pavement repairs structure |
| CN107604801A (en) * | 2017-10-13 | 2018-01-19 | 苏州东振路桥工程有限公司 | The reparation structure and its gap casting glue restorative procedure of a kind of impaired bituminous paving |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110714626A (en) * | 2019-10-23 | 2020-01-21 | 广东穗都建筑工程有限公司 | Building wall leakage repairing method |
| CN110714626B (en) * | 2019-10-23 | 2021-09-28 | 广东穗都建筑工程有限公司 | Building wall leakage repairing method |
| CN110952464A (en) * | 2019-12-20 | 2020-04-03 | 沈靖林 | Bridge pier repairing and reinforcing construction method |
| CN110952464B (en) * | 2019-12-20 | 2020-10-27 | 江苏骏豪建设工程有限公司 | Bridge pier repairing and reinforcing construction method |
| CN112176817A (en) * | 2020-08-20 | 2021-01-05 | 中冶天工集团有限公司 | Method for treating cracks of base panel of road reconstruction project |
| CN111996928A (en) * | 2020-09-03 | 2020-11-27 | 侯小柱 | Bridge crack repairing method |
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Application publication date: 20190521 |