CN100417768C - Asphalt road surface local damage immediate fast repairing method - Google Patents
Asphalt road surface local damage immediate fast repairing method Download PDFInfo
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- CN100417768C CN100417768C CNB2006101046493A CN200610104649A CN100417768C CN 100417768 C CN100417768 C CN 100417768C CN B2006101046493 A CNB2006101046493 A CN B2006101046493A CN 200610104649 A CN200610104649 A CN 200610104649A CN 100417768 C CN100417768 C CN 100417768C
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Abstract
The present invention discloses a method for quickly-repairing local damaged asphalt pavement. Said method includes the following several steps: firstly, defining prefabricated test piece size; according to the damaged size of pavement and combining it with prefabricated test piece size to define the size of pit channel cut in-place; on the basis of prefabricated test piece size defining precamber f=12hx(delta a/a) of prefabricated test piece; utilizing existent wheel-rolling process to form prefabricated test piece; finally making in-place repairing operation.
Description
Technical field
The invention belongs to the highway pavement method for repairing and mending, particularly the timely fast repairing method of asphalt road surface local damage.
Background technology
Domestic, the external heat that often adopts is mixed and stirred the repairing that cold repairing asphalt mixture carries out flexible pavement, and its method is:
The repairing bituminous mixture is mixed in measure one, heat:
On-site cutting, remove damaged bituminous mixture, get the material total amount, the bituminous mixture that mix and stir at the scene is poured in the groove of hole, adopt small-sized machine to roll or tamp, treat that bituminous mixture reduces to open to traffic behind the normal temperature according to damaged volume estimation.
This method is common maintenance measures, and the problem of existence mainly contains: owing to do not mix and stir through special mixing apparatus, the patching mix quality is restive; Owing to needing to use small-sized machine to roll or tamp, it is many to take the track, influences road passage capability and traffic safety; Lose control of mixture density, patching material runs easily and flies; The compound cooling rate is slow, makes open to traffic consuming time, can't repair fast.
Measure two, cold-patch is repaired bituminous mixture:
On-site cutting is removed damaged bituminous mixture, get the material total amount according to damaged volume estimation, adopt mulseal or cut back bitumen scene to mix the system bituminous mixture, the bituminous mixture that mixes and stirs is poured in the groove of hole, get final product open to traffic after the use miniature instrument is rammed the surface.
The subject matter that exists has: owing to be that mix and stir at the scene also, form waywardly, and the bituminous mixture functional performance is mainly determined by composition material, so repairing quality is restive; Because the addition dependence experience of material for repairing determines that density is on the low side, repairing quality is difficult for assurance, and needs professional construction troop to finish.
Above-mentioned method for maintaining mixes and stirs owing to being the scene, therefore for the bituminous mixture of compound composition requirement strictness, is difficult to guarantee the patching material service property (quality); Mix and stir at the scene in addition needs more construction machinery, causes long-time close traffic, influences the traffic safety and the traffic capacity; Newly, big, the interface of old storeroom modulus difference is in conjunction with poor, also is the one side factor that causes the repair efficiency difference.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the timely fast repairing method of a kind of asphalt road surface local damage.This method can the road pavement local damage be carried out at any time, is repaired fast, therefore can be chosen in the highway minimum discharge time to repair fast, can play and increase work efficiency, guarantees the traffic safety and the normal traffic capacity of highway.
Technical scheme of the present invention is achieved in that concrete steps are as follows:
The first step is determined prefabricated sample dimensions
Prefabricated test specimen series of products size is decided to be serial 1:50 * 50 * 3.5cm, serial 2:80 * 80 * 6cm, serial 3:100 * 100 * 8cm, serial 4:120 * 120 * 10cm, totally five kinds of serial 5:150 * 150 * 15cm;
Second step, according to the road surface breakage size,, determine to cheat the groove size after the on-site cutting in conjunction with the prefabricated sample dimensions of the first step, specific as follows:
When series 1 size that the road surface breakage size is determined less than the first step, determine on-site cutting after the hole groove be of a size of serial 1 size, i.e. 50 * 50 * 3.5cm;
When the road surface breakage size is between the series 1 that the first step is determined, serial 2 sizes, determine on-site cutting after the hole groove be of a size of serial 2 sizes, i.e. 80 * 80 * 6cm:
When the road surface breakage size is between the series 2 that the first step is determined, serial 3 sizes, determine that hole, cutting back groove is of a size of serial 3 sizes, i.e. 100 * 100 * 8cm;
When the road surface breakage size is between the series 3 that the first step is determined, serial 4 sizes, determine that hole, cutting back groove is of a size of serial 4 sizes, i.e. 120 * 120 * 10cm;
When the road surface breakage size is between the series 4 that the first step is determined, serial 5 sizes, determine that hole, cutting back groove is of a size of serial 5 sizes, i.e. 150 * 150 * 15cm;
The 3rd step went on foot on the prefabricated sample dimensions basis of determining second, determined the camber of prefabricated test specimen
Wherein:
(1) a is the width of prefabricated test specimen, series 1～serial 5 series of products that the corresponding first step is determined, and a value is followed successively by 50cm, 80cm, 100cm, 120cm, 150cm;
(2) h is prefabricated test specimen height, series 1～serial 5 series of products that the corresponding first step is determined, and the h value is followed successively by 3.5cm, 6cm, 8cm, 10cm, 15cm;
(3) Δ a is the difference of cutting back hole two length of sides of groove with the prefabricated test specimen length of side, and the maximum value of getting the length and width of cheating groove in the cutting back and prefabricated test specimen length of side difference is as Δ a, simultaneously
Wherein h is prefabricated test specimen height;
(4) f is the height of prefabricated test specimen item face circular arc, series 1～serial 5 product sizes that the corresponding first step is determined, and camber is respectively 0.84 Δ a, 0.90 Δ a, 0.96 Δ a, 1.00 Δ a, 1.20 Δ a;
The 4th step is according to the moulding prefabricated test specimen of existing rolling method;
The 5th step, field patch
(1) cutting machine excises damaged bituminous mixture, and the hole rooved face sprays heated bitumen, sprinkling amount 2.5Kg/m after cutting
2
(2) behind the sprinkling heated bitumen, at its surperficial spreading rice stone, spreading amount 5.0Kg/m
2
(3) prefabricated test specimen that the 4th one-step forming is good is put into the hole groove after the cutting;
(4) at prefabricated test specimen surface sprinkling heated bitumen, sprinkling amount 2.0Kg/m
2
(5) behind the sprinkling heated bitumen, at its surperficial spreading rice stone 3.50Kg/m
2, get final product open to traffic.
The technology of the present invention effect is as follows:
(1) the field patch time shortens greatly: the cutting of damaged road surface, scene are mixed and stirred compound, are paved because the scene need be finished, the on-site rolling compound, five steps of cooling could open to traffic.Prefabricated test specimen repairing technique mixes and stirs the cooling work of totally four steps indoor having finished from the scene, only there is split requirement at the scene, has therefore shortened the repairing time greatly, therefore repairs can be selected in every day traffic volume minimum time section and carry out;
(2) by indoor prefabricated test specimen, solved the on-the-spot restive difficult problem of quality of asphalt mixtures of mixing and stirring, pave: the scene is mixed and stirred compound and is subjected to restrictions such as place, machinery, peopleware, be difficult to guarantee quality, and flexible pavement quality and its composition are closely related, prefabricated test specimen is at indoor shaping test piece, not influenced by the problems referred to above during on-the-spot the use, guarantee to repair the quality of bituminous mixture;
(3) prefabricated test specimen technology has reduced field patch technology, reduced and once built cost, be convenient to repair and finish whenever and wherever possible: though the repairing engineering quantity is little, but it is also identical with normal construction technology, therefore need jumboes such as batching plant, road roller, build cost and the patching mix volume is inversely proportional to.Make and just can repair when maintenance department must wait the road surface breakage area to reach certain area that missed the best repairing time, and prefabricated test specimen has been a finished product, maintenance department can directly use, accomplished that maintenance carries out whenever and wherever possible.
The specific embodiment
Prestressing force generating technique principle
Because the camber (f) that prefabricated test specimen is provided with, under the driving load action, (Δ is a) by compacted filling for member and cutting edge gap, member contacts with cutting edge and produces arching, cutting edge produces opposition to member, the constrained member produces interface between prestressing force bonded and precast test specimen and cutting edge.Guarantee overall performance between patching material and old pavement by prefabricated test specimen camber design, the prefabricated test specimen of different size is taked different camber f
Wherein Δ a is the maximum value of the difference of cutting back hole two length of sides of groove and the prefabricated test specimen length of side.
Concrete implementation step:
The first step, determine prefabricated sample dimensions:
Prefabricated test specimen series of products size be decided to be series 1 (50 * 50 * 3.5cm), series 2 (80 * 80 * 6cm), series 3 (100 * 100 * 8cm), series 4 (120 * 120 * 10cm), (150 * 150 * 15cm) totally five kinds of series 5;
In second step,,, determine hole groove size after the on-site cutting in conjunction with the prefabricated sample dimensions of the first step according to the road surface breakage size:
For example: when series 1 product that the road surface breakage size is determined less than the first step, determine on-site cutting after the hole groove be of a size of serial 1 size, i.e. 50 * 50 * 3.5cm;
For example: when the road surface breakage size is between the series 1 that the first step is determined, serial 2 products, determine on-site cutting after the hole groove be of a size of serial 2 sizes, i.e. 80 * 80 * 6cm;
For example: when the road surface breakage size is between the series 2, serial 3 that the first step is determined, determine that hole, cutting back groove is of a size of serial 3 sizes, i.e. 100 * 100 * 8cm;
For example: when the road surface breakage size is between the series 3, serial 4 that the first step is determined, determine that hole, cutting back groove is of a size of serial 4 sizes, i.e. 120 * 120 * 10cm;
For example: when the road surface breakage size is between the series 4, serial 5 that the first step is determined, determine that hole, cutting back groove is of a size of serial 5 sizes, i.e. 150 * 150 * 15cm;
The 3rd step went on foot on the prefabricated test specimen planar dimension basis of determining second, determined the camber f of prefabricated test specimen
Wherein:
(1) a is the width of prefabricated test specimen, series 1～serial 5 series of products that the corresponding first step is determined, and a value is followed successively by 50cm, 80cm, 100cm, 120cm, 150cm;
(2) h is prefabricated test specimen height, series 1～serial 5 series of products that the corresponding first step is determined, and the h value is followed successively by 3.5cm, 6cm, 8cm, 10cm, 15cm;
(3) Δ a is the difference (being the maximum value of two differences) of cutting back hole two length of sides of groove and the prefabricated test specimen length of side, regulation simultaneously
Wherein h is prefabricated test specimen height;
(4) f is the height of prefabricated test specimen end face circular arc, series 1～serial 5 series of products that the corresponding first step is determined, and camber is respectively 0.84 Δ a, 0.9 Δ a, 0.96 Δ a, 1.0 Δ a, 1.2 Δ a;
For example: prefabricated sample dimensions is 80 * 80 * 6cm, and hole, cutting back groove real size is 82 * 84 * 6.5cm, and then camber is f=12 * 6 * (84-80)/80=3.6cm.For another example, prefabricated sample dimensions is 100 * 100 * 8cm, and hole, cutting back groove real size is 102 * 103 * 9.0cm, and then camber is f=12 * 8 * (103-100)/100=2.88cm.
The 4th step, indoor moulding prefabricated test specimen
Bituminous mixture production mix proportion, Asphalt Mixture Design density according to former pavement design files specify, and the prefabricated sample dimensions of determining from the first step～3rd step, according to " highway engineering pitch and bituminous mixture testing regulation " (JTJ052-2000) in " test of rolling method moulding rut plate " (0703-1993) moulding prefabricated test specimen of the 252nd page～258 pages;
The 5th step, field patch
(1) cutting machine excises damaged bituminous mixture, and the hole rooved face sprays heated bitumen, sprinkling amount 2.5Kg/m after cutting
2
(2) behind the sprinkling heated bitumen, at its surperficial spreading rice stone, spreading amount 5.0Kg/m
2
(3) prefabricated test specimen that the 4th one-step forming is good is put into the hole groove after the cutting;
(4) at prefabricated test specimen surface sprinkling heated bitumen, sprinkling amount 2.0Kg/m
2
(5) behind the sprinkling heated bitumen, at its surperficial spreading rice stone 3.50Kg/m
2, get final product open to traffic.
Claims (1)
1. the timely fast repairing method of asphalt road surface local damage is characterized in that concrete steps are as follows:
The first step is determined prefabricated sample dimensions
Prefabricated test specimen series of products size is decided to be serial 1:50 * 50 * 3.5cm, serial 2:80 * 80 * 6cm, serial 3:100 * 100 * 8cm, serial 4:120 * 120 * 10cm, totally five kinds of serial 5:150 * 150 * 15cm;
Second step, according to the road surface breakage size,, determine to cheat the groove size after the on-site cutting in conjunction with the prefabricated sample dimensions of the first step, specific as follows:
When series 1 product size that the road surface breakage size is determined less than the first step, determine on-site cutting after the hole groove be of a size of serial 1 size, i.e. 50 * 50 * 3.5cm;
When the road surface breakage size is between the series 1 that the first step is determined, serial 2 product sizes, determine on-site cutting after the hole groove be of a size of serial 2 sizes, i.e. 80 * 80 * 6cm;
When the road surface breakage size is between the series 2 that the first step is determined, serial 3 product sizes, determine that hole, cutting back groove is of a size of serial 3 sizes, i.e. 100 * 100 * 8cm;
When the road surface breakage size is between the series 3 that the first step is determined, serial 4 product sizes, determine that hole, cutting back groove is of a size of serial 4 sizes, i.e. 120 * 120 * 10cm;
When the road surface breakage size is between the series 4 that the first step is determined, serial 5 product sizes, determine that hole, cutting back groove is of a size of serial 5 sizes, i.e. 150 * 150 * 15cm;
The 3rd step went on foot on the prefabricated sample dimensions basis of determining second, determined the camber of prefabricated test specimen
Wherein:
(1) a is the width of prefabricated test specimen, series 1～serial 5 series of products that the corresponding first step is determined, and a value is followed successively by 50cm, 80cm, 100cm, 120cm, 150cm;
(2) h is prefabricated test specimen height, series 1～serial 5 series of products that the corresponding first step is determined, and the h value is followed successively by 3.5cm, 6cm, 8cm, 10cm, 15cm;
(3) Δ a is the difference of cutting back hole two length of sides of groove with the prefabricated test specimen length of side, and the maximum value of getting the length and width of cheating groove in the cutting back and prefabricated test specimen length of side difference is as Δ a, simultaneously
Wherein h is prefabricated test specimen height;
(4) f is the height of prefabricated test specimen end face circular arc, series 1～serial 5 series of products that the corresponding first step is determined, and camber is respectively 0.84 Δ a, 0.90 Δ a, 0.96 Δ a, 1.00 Δ a, 1.20 Δ a;
The 4th step is according to the moulding prefabricated test specimen of existing rolling method;
The 5th step, field patch
(1) cutting machine excises damaged bituminous mixture, and the hole rooved face sprays heated bitumen, sprinkling amount 2.5Kg/m after cutting
2
(2) behind the sprinkling heated bitumen, at its surperficial spreading rice stone, spreading amount 5.0Kg/m
2
(3) the prefabricated test specimen of forming is put into hole groove after the cutting;
(4) at prefabricated test specimen surface sprinkling heated bitumen, sprinkling amount 2.0Kg/m
2
(5) behind the sprinkling heated bitumen, at its surperficial spreading rice stone 3.50Kg/m
2, get final product open to traffic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101046493A CN100417768C (en) | 2006-09-26 | 2006-09-26 | Asphalt road surface local damage immediate fast repairing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101046493A CN100417768C (en) | 2006-09-26 | 2006-09-26 | Asphalt road surface local damage immediate fast repairing method |
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|---|---|
| CN1932156A CN1932156A (en) | 2007-03-21 |
| CN100417768C true CN100417768C (en) | 2008-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101046493A Expired - Fee Related CN100417768C (en) | 2006-09-26 | 2006-09-26 | Asphalt road surface local damage immediate fast repairing method |
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| CN103526663B (en) * | 2013-10-28 | 2015-08-05 | 三峡大学 | Convolution concrete is adopted to add the method for paving repairing asphalt concrete pavement disease |
| CN104018419A (en) * | 2014-06-16 | 2014-09-03 | 重庆诚邦路面材料有限公司 | Pit slot emergency repairing method |
| CN104775347B (en) * | 2015-03-26 | 2017-01-25 | 广东电白建设集团有限公司 | Hot asphalt spraying repair construction method with characteristic of concurrent repair and unblocking of municipal road |
| CN105887614A (en) * | 2016-04-28 | 2016-08-24 | 长安大学 | Asphalt pavement prefabricated block repairing pit slot structure and construction process thereof |
| CN106948312A (en) * | 2017-05-19 | 2017-07-14 | 彭文成 | Hydraulic asphalt concrete coring deep hole integrally loads recovery instrument and restoration methods |
| CN107268403A (en) * | 2017-06-27 | 2017-10-20 | 山东交通学院 | A kind of road and bridge method for repairing and mending |
| CN108411751A (en) * | 2018-02-12 | 2018-08-17 | 郑州科技学院 | Asphalt road surface local repairs structure and restorative procedure |
| CN108316084B (en) * | 2018-02-14 | 2020-07-10 | 山东省高速路桥养护有限公司 | Asphalt pavement pit repairing process |
| CN111424491A (en) * | 2019-05-22 | 2020-07-17 | 河北工业大学 | Quick repairing process for assembled asphalt pavement pit slot |
| CN111809533A (en) * | 2020-07-09 | 2020-10-23 | 常德市城市桥梁管理处 | Concrete bridge asphalt pavement pit hole repairing method |
| CN113136757A (en) * | 2021-04-20 | 2021-07-20 | 陕西省交通规划设计研究院 | Filling method for asphalt pavement drill hole |
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|---|---|---|---|---|
| DE4330046A1 (en) * | 1993-09-06 | 1995-03-09 | Theodor Rorarius | Asphalt paving slabs |
| JPH11280010A (en) * | 1998-03-31 | 1999-10-12 | Shimizu Corp | Paving method of asphalt pavement road, precast asphalt floor board and manufacture thereof |
| CN1258781A (en) * | 1998-12-30 | 2000-07-05 | 郑洪栋 | Road pit and hole repairing method |
| CN1446981A (en) * | 2003-02-11 | 2003-10-08 | 陈华伦 | Method for fast building roads and fabricated parts utilized |
| JP2004324161A (en) * | 2003-04-23 | 2004-11-18 | Hikari Tekuma:Kk | Method of repairing pavement |
-
2006
- 2006-09-26 CN CNB2006101046493A patent/CN100417768C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4330046A1 (en) * | 1993-09-06 | 1995-03-09 | Theodor Rorarius | Asphalt paving slabs |
| JPH11280010A (en) * | 1998-03-31 | 1999-10-12 | Shimizu Corp | Paving method of asphalt pavement road, precast asphalt floor board and manufacture thereof |
| CN1258781A (en) * | 1998-12-30 | 2000-07-05 | 郑洪栋 | Road pit and hole repairing method |
| CN1446981A (en) * | 2003-02-11 | 2003-10-08 | 陈华伦 | Method for fast building roads and fabricated parts utilized |
| JP2004324161A (en) * | 2003-04-23 | 2004-11-18 | Hikari Tekuma:Kk | Method of repairing pavement |
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| CN1932156A (en) | 2007-03-21 |
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