CN108411751A - Asphalt road surface local repairs structure and restorative procedure - Google Patents
Asphalt road surface local repairs structure and restorative procedure Download PDFInfo
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- CN108411751A CN108411751A CN201810146400.1A CN201810146400A CN108411751A CN 108411751 A CN108411751 A CN 108411751A CN 201810146400 A CN201810146400 A CN 201810146400A CN 108411751 A CN108411751 A CN 108411751A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000010426 asphalt Substances 0.000 title claims abstract description 20
- 230000008439 repair process Effects 0.000 title claims abstract description 20
- 230000002787 reinforcement Effects 0.000 claims abstract description 37
- 238000010276 construction Methods 0.000 claims abstract description 19
- 230000006378 damage Effects 0.000 claims abstract description 11
- 239000004567 concrete Substances 0.000 claims description 41
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 17
- 239000003292 glue Substances 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000006229 carbon black Substances 0.000 claims description 13
- 239000004568 cement Substances 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 10
- 238000011835 investigation Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 7
- 239000003469 silicate cement Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 239000002932 luster Substances 0.000 abstract description 3
- 238000010008 shearing Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/10—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for raising or levelling sunken paving; for filling voids under paving; for introducing material into substructure
Abstract
The invention discloses asphalt road surface locals to repair structure and restorative procedure, it includes Prefabricated block, the Prefabricated block uses sphenoid, its four sides are the slope of even variation, the Prefabricated block is formed using concreting, top surface certain distance is provided with distributing reinforcement structure in the inside of Prefabricated block, each cross-point locations of the distributing reinforcement structure are provided with a joint bar straight down, the top of the joint bar is bent downwardly in the node location being connected with distributing reinforcement structure, it is located at the bed course that the extended segment of Prefabricated block bottom is inserted into roadbed, and make embedded Prefabricated block and the common stress of bed course.This repairs the quick reparation that structure can be used in bituminous paving after local damage, and this bituminous paving that reparation structure useful life longevity is good, speed of application is fast, road is connected, appearance luster is consistent and energy quick replacement destroys, it is simple using this restorative procedure construction technology simultaneously, it is at low cost.
Description
Technical field
The invention belongs to bituminous paving repairing construction technical fields, and in particular to a kind of asphalt road surface local repair structure and
Restorative procedure.
Background technology
Bituminous paving has the advantages that driving is steady, and noise is low, and comfort level is high, and tire adhesion force is high, and driving at night is safe,
Therefore, had a wide range of applications in urban road, it is positive use and safeguard under, service life is higher.However, for city
Specific region in road, due to various reasons, bituminous paving are susceptible to local failure, such as（Quickly）Bus station, it is red
Street lamp crossing, the place that the frequency of use such as road sprinkler dry point are higher, vehicular load is larger, bituminous paving wheel repeatedly
It rolls, frequent brake is under startup effect, and wheel road pavement generates prodigious shearing force, and same position is larger in load
Vehicle brakes repeatedly, starts, frequently rolls under effect, local damage easily occur, especially for bus rapid transit website, often
The position that tire is stopped determines that the road surface under tire is easily destroyed, and the bituminous paving in other places is then more complete very much
Good, these partial points have damage envelope limited, but destroy the characteristics of serious and vehicle has to pass through from breakdown point, because
This, the bituminous paving of local failure seriously affects the comfort level of driving.
There are two types of conventional processing methods：When excavate the road surface of destruction and replaced with new pitch, but due to pitch
Road surface intensity itself is relatively low, and has generated interface, then replaced bituminous paving produces destruction again quickly；Second is that scene is poured
The higher cement concrete pavement of intensity is built, however cast-in-place cement pavement curing time is long, seriously affects traffic, and cement pavement
Larger with bituminous paving aberration, it is beautiful and clean to influence road, meanwhile, the road surface interface of two kinds of rigidity is not disposable.
Therefore, study that a kind of useful life longevity is good, speed of application is fast, road is connected, appearance luster is consistent and can be quickly
The asphalt pavement technique destroyed is replaced to have great importance.
Invention content
The purpose of the present invention is to provide asphalt road surface locals to repair structure and restorative procedure, this repairs structure and can be used in
The quick reparation of bituminous paving after local damage, and this reparation structure useful life longevity is good, speed of application is fast, road linking
Good, appearance luster it is consistent and can the bituminous paving that destroys of quick replacement, while, cost simple using this restorative procedure construction technology
It is low.
In order to realize above-mentioned technical characteristic, the object of the present invention is achieved like this：Asphalt road surface local repairs structure,
It includes Prefabricated block, and it is the slope of even variation, the prefabricated molds that the Prefabricated block, which uses sphenoid, four sides,
Block is formed using concreting, and top surface certain distance is provided with distributing reinforcement structure in the inside of Prefabricated block, described point
Each cross-point locations of cloth muscle structure are provided with a joint bar straight down, the top of the joint bar with distributing reinforcement structure
Connected node location is bent downwardly, and the extended segment for being located at Prefabricated block bottom is inserted into the bed course of roadbed, and makes insertion
Prefabricated block and the common stress of bed course.
The size range of the Prefabricated block determines that the top surface Outside Dimensions of the sphenoid are big according to pavement damage situation
In lower peripheral size.
Cement used by the concrete of the Prefabricated block is road silicate cement, is added with 0.5%- inside it
3% steel fibre.
The inside concrete of the Prefabricated block is added with the carbon powder of 0.1%-2%.
The distributing reinforcement structure is evenly arranged using longitudinal and transverse direction in netted distributing reinforcement.
Construction structure glue is all smeared in the bottom surface and side of the Prefabricated block.
Asphalt road surface local described in any one repairs the restorative procedure of structure, it includes the following steps：
Step1：The investigation of worn pavement measures：Investigation measurement is carried out to worn pavement, measures its damaged part
Size, then sampling of taking pictures is carried out to original road surface；
Step2：Carbon black powder content is selected：According to the black level for sampling existing road surface in Step1, suitable carbon black is selected
Powder addition content；
Step3：Steel fibre black Prefabricated block it is prefabricated：According to Step1, the related data obtained in Step2, according to destruction
Position measures size, and selects the module template to match, carries out mix-design, dosage of steel fiber calculating, installation form, ties up
Distributing reinforcement and joint bar, casting concrete, maintenance form removal are pricked, and then obtains Prefabricated block；
Step4：Damaged part concrete excavates：It according to the size for the Prefabricated block made, is excavated, is excavated flat at the scene
Face size is subject to the bottom surface size of Prefabricated block, makes vertical plane, module depth 1cm- of the cutting depth than Prefabricated block
2cm, dig it is good after, it is foundation pit bottom surface is smooth and be compacted；
Step5：Prefabricated block smears construction structure glue and insertion：Building structure is smeared into four sides of Prefabricated block and bottom surface
After glue, horizontal is put into the hole dug, and due to being wedge body, Prefabricated block will not fall too deeply, after falling and stopping, pre-
It is uniformly squeezed into around molding block in pit slot until reaching predetermined fall depth；
Step6：After Prefabricated block surrounding is bonded closely with road, static 3-5 hours or so, after construction structure glue stabilization, i.e.,
It can normally drive a vehicle.
The specific manufacturing process of Prefabricated block is in the Step3：
Determine that the size of Prefabricated block, the Prefabricated block use sphenoid structure, sphenoid upper surface bigger than the lower surface length of side
0.1m ~ 0.2m, surrounding are the slope of even variation, and sphenoid is formed with this；
The concrete for making Prefabricated block, the cement for pouring sphenoid is road silicate cement, is adjusted in concrete overall
Product is than the steel fibre for 0.5%-3%；
Addition carbon black uniformly adds the carbon powder of 0.1%-2% in concrete, has reached according to the road surface color on original road surface
Road surface color after repairing and original road surface solid colour.
Distributing reinforcement is bound in the Step3 and joint bar specific operation process is, apart from Prefabricated block top surface certain distance
Place arranges the distributing reinforcement of the uniform cloth of longitudinal and transverse direction, and forms distributing reinforcement structure, in each intersection of distributing reinforcement structure,
The joint bar of arrangement one straight down.
The selected specific method of carbon black powder content is in the Step2, carries out the Mix Ratio Test of carbon powder dosage respectively,
In carbon powder volume ranging from 0.1%-2%, when obtaining different carbon powder volumes, the brown degree of concrete, and it is fabricated to standard
Colorimetric card, it is last according to the sampled data for waiting reinforcing replacement road surface, select suitable carbon powder addition content.
The method have the advantages that：
1, reparation speed is fast, the used time is short, and can be used immediately after repairing, and traffic is not influenced, due to using prefabricated coagulation
Clay model block can be used after being inlayed into according to corresponding construction procedure after digging in-situ.
2, pavement durability and globality significantly increase after repairing.Embedded pre-cast concrete concrete modular using with
Reinforced concrete, while a certain amount of steel fibre is added in concrete, under the synergy of reinforcing bar and steel fibre, can significantly it increase
The tensile strength and integral anti-shearing intensity of reinforced concrete, due to it is prefabricated when use batch production modularized production, concrete quality energy
Ensured well.
When 3, in addition installing at the scene, module is smeared using up big and down small sphenoid, sphenoid surrounding and bottom
By structure glue, can combine closely in this way with original road surface.
4, road surface is closer to original road surface color after repairing, and is unlikely to patch road occur, is improved the beauty on road surface
Degree.A certain amount of carbon powder is added in cement concrete, according to the color of original bituminous paving, adjustment adds the use of carbon powder
Amount keeps the road surface after reparation and former road surface color close, has the work efficiency on beautification repairing road surface.
5, easy construction saves rehabilitation cost.The technology is not necessarily to heavy mechanical equipment, and scene is set without rolling and vibrating
It is standby, it manually can be completed, and speed of application is fast, durability is high, can save significantly on reparation and follow-up maintenance cost.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is Prefabricated block main sectional view of the present invention.
Fig. 2 is Prefabricated block stereogram of the present invention.
In figure：Prefabricated block 1, distributing reinforcement structure 2, joint bar 3, extended segment 4, former roadbed 5, foundation pit 6, slope 7, bed course 8.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
Embodiment 1：
As shown in Figs. 1-2, asphalt road surface local repairs structure, it includes Prefabricated block 1, and the Prefabricated block 1 uses sphenoid,
Its four sides are the slope 7 of even variation, and the Prefabricated block 1 is formed using concreting, in Prefabricated block 1
Portion is provided with distributing reinforcement structure 2 close to top surface certain distance, and each cross-point locations of the distributing reinforcement structure 2 are provided with one
The top of joint bar 3 straight down, the joint bar 3 is bent downwardly in the node location being connected with distributing reinforcement structure 2, is located at pre-
The extended segment 4 of 1 bottom of molding block is inserted into the bed course 8 of roadbed 6, and makes embedded Prefabricated block 1 and 8 common stress of bed course.It is logical
It crosses and the rapid mend construction of bituminous paving can be used in using above-mentioned reparation structure, and then improve repairing efficiency.
Further, the size range of the Prefabricated block 1 is determined according to pavement damage situation, the top surface of the sphenoid
Outside Dimensions are more than lower peripheral size.Module using up big and down small sphenoid, sphenoid surrounding and bottom smear by
Structure glue can combine closely in this way with original road surface.
Further, cement used by the concrete of the Prefabricated block 1 is road silicate cement, is added inside it
Added with the steel fibre of 0.5%-3%.Increase the integral anti-shearing intensity of concrete.
Further, the inside concrete of the Prefabricated block 1 is added with the carbon powder of 0.1%-2%.It is reached by carbon powder
Road surface color after to repairing and original road surface solid colour.
Further, the distributing reinforcement structure 2 is evenly arranged using longitudinal and transverse direction in netted distributing reinforcement.Pass through distribution
Muscle structure 2 ensure that 1 structural strength of Prefabricated block.
Further, construction structure glue is all smeared in the bottom surface and side of the Prefabricated block 1.By the side of sphenoid and
Bottom surface squeezing action closely sticks together the roadbed on the road surface and bottom of module and surrounding, makes its whole common stress,
It simultaneously can also plugging construction seam.
Embodiment 2：
Asphalt road surface local described in any one repairs the restorative procedure of structure, it includes the following steps：
Step1：The investigation of worn pavement measures：Investigation measurement is carried out to worn pavement, measures its damaged part
Size, then sampling of taking pictures is carried out to original road surface；
Step2：Carbon black powder content is selected：According to the black level for sampling existing road surface in Step1, suitable carbon black is selected
Powder addition content；
Step3：Steel fibre black Prefabricated block 1 it is prefabricated：According to Step1, the related data obtained in Step2, according to broken
Bad position measures size, and selects the module template to match, carry out mix-design, dosage of steel fiber calculating, installation form,
Distributing reinforcement and joint bar, casting concrete, maintenance form removal are bound, and then obtains Prefabricated block；
Step4：Damaged part concrete excavates：It according to the size for the Prefabricated block 1 made, is excavated, is excavated at the scene
Planar dimension is subject to the bottom surface size of Prefabricated block 1, makes vertical plane, cutting depth is deeper than the module of Prefabricated block 1
1cm-2cm, dig it is good after, it is foundation pit bottom surface is smooth and be compacted；
Step5：Prefabricated block 1 smears construction structure glue and insertion：Building knot is smeared into four sides of Prefabricated block 1 and bottom surface
After structure glue, horizontal is put into the hole dug, and due to being wedge body, Prefabricated block 1 will not fall too deeply, after falling and stopping,
It is uniformly squeezed into around Prefabricated block 1 in pit slot until reaching predetermined fall depth；
Step6：After 1 surrounding of Prefabricated block is bonded closely with road, static 3-5 hours or so, after construction structure glue stabilization, i.e.,
It can normally drive a vehicle.
The specific manufacturing process of Prefabricated block 1 is in the Step3：
Determine that the size of Prefabricated block 1, the Prefabricated block 1 use sphenoid structure, sphenoid upper surface is than the lower surface length of side
Big 0.1m ~ 0.2m, surrounding are the slope of even variation, and sphenoid is formed with this；
The concrete for making Prefabricated block 1, the cement for pouring sphenoid is road silicate cement, is adjusted in concrete overall
Product is than the steel fibre for 0.5%-3%；
Addition carbon black uniformly adds the carbon powder of 0.1%-2% in concrete, has reached according to the road surface color on original road surface
Road surface color after repairing and original road surface solid colour.
Distributing reinforcement is bound in the Step3 and joint bar specific operation process is, apart from 1 top surface certain distance of Prefabricated block
Place, arranges the distributing reinforcement of the uniform cloth of longitudinal and transverse direction, and forms distributing reinforcement structure 2, in each crosspoint of distributing reinforcement structure 2
Place, the joint bar 3 of arrangement one straight down.
The selected specific method of carbon black powder content is in the Step2, carries out the Mix Ratio Test of carbon powder dosage respectively,
In carbon powder volume ranging from 0.1%-2%, when obtaining different carbon powder volumes, the brown degree of concrete, and it is fabricated to standard
Colorimetric card, it is last according to the sampled data for waiting reinforcing replacement road surface, select suitable carbon powder addition content.
Embodiment 3：
In the present embodiment, include the following steps：
Step1：The investigation of worn pavement measures：It takes pictures sampling including original road surface color, damaged part dimensional measurement；
Step2：Carbon black powder content is selected：According to the black level on existing road surface, the match ratio of carbon powder dosage is carried out respectively
Experiment, in carbon powder volume ranging from 0.1%-2%, when obtaining different carbon powder volumes, the brown degree of concrete, and be fabricated to
Standard color comparison card, it is last according to the sampled data for waiting reinforcing replacement road surface, select suitable carbon powder addition content.
Step 3：Steel fibre black concrete modular it is prefabricated：According to the related data that the 1st, 2 step obtains, according to destruction
Position measures size, and selects the module template to match.It carries out mix-design, dosage of steel fiber calculating, installation form, tie up
Prick distributing reinforcement and joint bar, casting concrete, maintenance form removal etc..
The manufacturing process detailed step of wherein Prefabricated block is：
1）In terms of size, according to the investigation of road surface breakage situation early period, damaged part generally concentrates under tire, bicycle road width
The key dimensions such as road surface, can according to circumstances be fabricated to plane be 1m × 1m or 1m × 2m, 3.75m ×（1-5）The most common mould such as m
Block also can be prefabricated according to measuring size if in-site measurement size and module size difference are larger.Such module thickness is 20cm's
Sphenoid, sphenoid upper surface is bigger 0.1m than the lower surface length of side, and even upper surface is 1m × 1m or 1m × 2m, corresponding lower surface
For 0.9m × 0.9m or 0.9m × 1.9m, surrounding is the slope of even variation, and wedge shape is formed with this.
2）Make the concrete of module, the road silicate cement that cement used is 52.5；To increase the entirety of concrete
Shearing strength uniformly adds the steel fibre for accounting for total volume 1% in concrete.
3）According to the road surface color on original road surface, the carbon powder of 0.1%-2% is uniformly added in concrete, has reached repairing
Road surface color afterwards and original road surface solid colour.
4）In terms of arrangement of reinforcement, the distribution that spacing is 10cm diameters 10mm is being evenly arranged away from the longitudinal and transverse direction at the 5cm of top surface
Muscle；In each intersection of distributing reinforcement, the joint bar of a diameter of 10mm straight down of arrangement one, joint bar overall length 30cm, upper end
It binds at node with distributing reinforcement and bends up downwards, it is 5cm to bend up section total length, and it is 15cm to be anchored in length in module, is stretched out
Segment length is 10cm, and the joint bar of the section of stretching is tightly inserted into the bed course of roadbed in construction, keeps embedded module and bed course common
Stress.
Step 4：Damaged part concrete excavates：The module size made according to before, is excavated at the scene, by
It is up big and down small sphenoid in module, is bonded closely to ensure embedded module with original road, excavates planar dimension or less
Subject to ground, vertical plane is made, cutting depth should mainly consider embedded be rigid than prefabricated module depth 1cm
Concrete modular, peripheral path is flexibility, big at peripheral path settling ratio module under long term, to ensure long-term put down
Whole property.Dig it is good after, it is pit slot bottom surface is smooth and be compacted.
Step 5：Concrete modular smears construction structure glue and insertion：Four sides of concrete modular and ground are applied
After smearing construction structure glue, horizontal is put into the hole dug, and due to being wedge body, module will not fall too deep, and waiting falling stops
Afterwards, it is uniformly squeezed into around module in pit slot until reaching predetermined fall depth.
Step 6：After concrete modular surrounding is bonded closely with road, static 3-5 hours or so, after structure glue stabilization,
It can normally drive a vehicle.
Above-described embodiment is used for illustrating the present invention, rather than limits the invention, the present invention spirit and
In scope of the claims, to any modifications and changes that the present invention makes, protection scope of the present invention is both fallen within.
Claims (10)
1. asphalt road surface local repairs structure, it is characterised in that：It includes Prefabricated block（1）, the Prefabricated block（1）Using wedge
Body, four sides are the slope of even variation（7）, the Prefabricated block（1）It is formed using concreting, prefabricated
Module（1）Inside top surface certain distance is provided with distributing reinforcement structure（2）, the distributing reinforcement structure（2）Each intersection
Point, which installs, is equipped with a joint bar straight down（3）, the joint bar（3）Top with distributing reinforcement structure（2）Connected section
Point position is bent downwardly, and is located at Prefabricated block（1）The extended segment of bottom（4）It is inserted into the bed course of roadbed（8）, and make insertion
Prefabricated block（1）With bed course（8）Common stress.
2. asphalt road surface local according to claim 1 repairs structure, it is characterised in that：The Prefabricated block（1）Ruler
Very little range determines that the top surface Outside Dimensions of the sphenoid are more than lower peripheral size according to pavement damage situation.
3. asphalt road surface local according to claim 1 repairs structure, it is characterised in that：The Prefabricated block（1）It is mixed
Cement used by solidifying soil is road silicate cement, is added with the steel fibre of 0.5%-3% inside it.
4. asphalt road surface local according to claim 1 or 3 repairs structure, it is characterised in that：The Prefabricated block（1）'s
Inside concrete is added with the carbon powder of 0.1%-2%.
5. asphalt road surface local according to claim 1 repairs structure, it is characterised in that：The distributing reinforcement structure（2）It adopts
It is evenly arranged in netted distributing reinforcement with longitudinal and transverse direction.
6. asphalt road surface local according to claim 1 repairs structure, it is characterised in that：The Prefabricated block（1）Bottom
Construction structure glue is all smeared in face and side.
7. repairing the restorative procedure of structure using asphalt road surface local described in claim 1-6 any one, it is characterised in that it
Include the following steps：
Step1：The investigation of worn pavement measures：Investigation measurement is carried out to worn pavement, measures its damaged part
Size, then sampling of taking pictures is carried out to original road surface；
Step2：Carbon black powder content is selected：According to the black level for sampling existing road surface in Step1, suitable carbon black is selected
Powder addition content；
Step3：Steel fibre black Prefabricated block（1）It is prefabricated：According to Step1, the related data obtained in Step2, foundation
Measuring size for position is destroyed, the module template to match is selected, carries out mix-design, dosage of steel fiber calculates, installation mould
Plate, binding distributing reinforcement and joint bar, casting concrete, maintenance form removal, and then obtain Prefabricated block；
Step4：Damaged part concrete excavates：According to the Prefabricated block made（1）Size, excavated, opened at the scene
Planar dimension is dug with Prefabricated block（1）Bottom surface size subject to, make vertical plane, cutting depth compares Prefabricated block（1）Mould
Block depth 1cm-2cm, after digging well, by foundation pit（6）Bottom surface is smooth and is compacted；
Step5：Prefabricated block（1）Smear construction structure glue and insertion：By Prefabricated block（1）Four sides and bottom surface smear build
After building structure glue, horizontal is put into the hole dug, due to being wedge body, Prefabricated block（1）It will not fall too deep, wait falling and stop
After only, in Prefabricated block（1）Surrounding is uniformly squeezed into pit slot until reaching predetermined fall depth；
Step6：Prefabricated block（1）After surrounding is bonded closely with road, static 3-5 hours or so, after construction structure glue stabilization,
It can normally drive a vehicle.
8. asphalt road surface local is used to repair the restorative procedure of structure according to claim 7, it is characterised in that：It is described
Prefabricated block in Step3（1）Specific manufacturing process be：
Determine Prefabricated block（1）Size, the Prefabricated block（1）Using sphenoid structure, lower surface is compared in sphenoid upper surface
Big 0.1m ~ the 0.2m of the length of side, surrounding are the slope of even variation, and sphenoid is formed with this；
Make Prefabricated block（1）Concrete, the cement for pouring sphenoid is road silicate cement, is adjusted in concrete total
Volume ratio is the steel fibre of 0.5%-3%；
Addition carbon black uniformly adds the carbon powder of 0.1%-2% in concrete, has reached according to the road surface color on original road surface
Road surface color after repairing and original road surface solid colour.
9. asphalt road surface local is used to repair the restorative procedure of structure according to claim 7, it is characterised in that：It is described
Distributing reinforcement is bound in Step3 and joint bar specific operation process is, apart from Prefabricated block（1）At a certain distance from top surface, arrangement is vertical
To and laterally homogeneous cloth distributing reinforcement, and form distributing reinforcement structure（2）, in distributing reinforcement structure（2）Each intersection, arrangement
A piece joint bar straight down（3）.
10. asphalt road surface local is used to repair the restorative procedure of structure according to claim 7, it is characterised in that：It is described
The selected specific method of carbon black powder content is in Step2, the Mix Ratio Test of carbon powder dosage is carried out respectively, in carbon powder volume
Ranging from 0.1%-2%, when obtaining different carbon powder volumes, the brown degree of concrete, and be fabricated to standard color comparison card, finally according to
According to the sampled data for waiting reinforcing replacement road surface, suitable carbon powder addition content is selected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146400.1A CN108411751A (en) | 2018-02-12 | 2018-02-12 | Asphalt road surface local repairs structure and restorative procedure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810146400.1A CN108411751A (en) | 2018-02-12 | 2018-02-12 | Asphalt road surface local repairs structure and restorative procedure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108411751A true CN108411751A (en) | 2018-08-17 |
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| CN110195402A (en) * | 2019-06-27 | 2019-09-03 | 安徽劲帆建设有限公司 | A kind of road rehabilitation module and its construction method |
| CN110318328A (en) * | 2019-06-26 | 2019-10-11 | 中国路桥工程有限责任公司 | A kind of bituminous pavement fast repairing method |
| CN110565473A (en) * | 2019-09-26 | 2019-12-13 | 山东交通职业学院 | pavement repairing method |
| CN114960336A (en) * | 2022-05-13 | 2022-08-30 | 长沙环境保护职业技术学院 | Assembly type pavement base rapid repairing structure and construction method |
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