CN102979032A - Method for prying and collecting old material of asphalt pavement - Google Patents
Method for prying and collecting old material of asphalt pavement Download PDFInfo
- Publication number
- CN102979032A CN102979032A CN2012105778922A CN201210577892A CN102979032A CN 102979032 A CN102979032 A CN 102979032A CN 2012105778922 A CN2012105778922 A CN 2012105778922A CN 201210577892 A CN201210577892 A CN 201210577892A CN 102979032 A CN102979032 A CN 102979032A
- Authority
- CN
- China
- Prior art keywords
- pavement
- asphalt
- disease
- sled
- road surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a method for prying and collecting a recycled massive old material of an asphalt pavement. The damaged asphalt pavement is pried in a manner of gradually prying along an adhesive layer of the asphalt pavement; and the recycled massive old material of the asphalt pavement is collected, so as to be recycled. By adopting the method disclosed by the invention, the damage to the grain diameter of asphalt mixture aggregate of the old asphalt pavement caused by forcible milling (or crushing the pavement by a vertical impact drill bit) is avoided, so as to cause fewer damages to the grain diameter of the old asphalt mixture aggregate; the original shape of the old asphalt mixture aggregate is kept, and the original value of the recycled massive old material of the asphalt pavement is recycled.
Description
Technical field
The present invention is a kind of the method that sled is collected the old material of flexible pavement, belong to flexible pavement recycling maintenance of surface technology neck or.
Background technology
The at present highway construction develop rapidly of China, annual scale of investment be hundred billion yuan of exceedances.All kinds of high-grade highways and the speedway that are building up successively, roll use procedure through motor vehicle all the year round, part has entered big or middle repairing the phase, traditional a large amount of millings, dig bituminous mixture and go out of use, cause on the one hand environment pollution, the waste that is a kind of resource for the very deficient country of this high-quality asphalt of China on the other hand, and the new building stones of a large amount of uses, quarrying stone can cause forest cover to reduce the environmental destruction that soil erosion etc. are serious.Along with the reinforcement of people to recycling and environmental protection consciousness
,The research and development of Applied of Asphalt Pavement Recycle Technique is to preserving the ecological environment and the highway maintenance of our country being had great meaning.The in-situ heat regeneration technology is because of the restriction of firing equipment, the modern Maintenanice techngue of bitumin pavement that mainly is suitable for a kind of economy of bituminous pavement top (be repaired surface thickness and be generally less than 40mm) continuous repair, and the repair surface layer thickness is during greater than 40mm, the general plant-mix heat recycle technology that adopts, old asphalt pavement to be transported back after with high-power milling machine milling (or with the drill hammer on the excavator vertically broken) stir factory and store for future use, decompose by concentrating, screening, and analyze old material Asphalt Content, the ageing of asphalt degree, the indexs such as macadam gradating, quality requirement according to bituminous highway road surface different levels, carry out mix-design, determine the adding proportion of old asphalt mixture, mix newly gathering materials of some, pitch and regenerative agent stir becomes the new compound that reaches the indices of stipulating in the flexible pavement standard, thereby obtain good reclaimed asphalt mixture, at last according to the identical method of newly-built flexible pavement again making.Plant-mix heat recycle technology is because the aggregate size of the bituminous mixture of former old asphalt pavement can be pulverized very thin in the process of milling, the intensity of its original aggregate is damaged significantly, though therefore old material can be recycling, it is enough but utilization rate and value have reduced, the construction that is only applicable to lower grade highway pavement and high grade highway pavement basic unit is used, and is not suitable for too the surface layer of high class pavement.
Summary of the invention
Milling injures old asphalt pavement bituminous mixture aggregate size in the use procedure in the flexible pavement plantmix thermal reclamation technology in order to solve, improve recycling efficient and the use value of old asphalt material, the present invention proposes a kind of method that sled is collected the old material of flexible pavement that rises for asphalt pavement regeneration construction, can reduce to greatest extent to aggregate in the bituminous mixture destruction.
The present invention plays the method that sled is collected the block old material of asphalt pavement regeneration,
The first step: (flexible pavement is spreading from level to level when carrying out paving operation, between layers because the state of heat bonding is different, can produce bonding aspect) at disease flexible pavement initiating terminal, excavate a horizontal elongated slot (vertical with the road surface trend), the degree of depth of elongated slot is subject to the bonding aspect of the aspect bottom of disease greater than flexible pavement; Simultaneously, the two ends by elongated slot begin to move towards two lines of cut of cutting along the road surface respectively, and line of cut is cut to pavement disease to be finished to end, and the degree of depth to the flexible pavement of line of cut cutting is subject to the bonding aspect of the aspect bottom of disease;
Second step: in horizontal elongated slot, the bonding aspect of first floor (uppermost bonding aspect) with vibrospade shovel head aligning flexible pavement, vibrospade along this bonding aspect should the bonding aspect asphalt pavement mixture of top vibrated sled, make it with the asphalt roofing absciss layer of below and be broken for bulk, then collect; Collect complete until the bituminous mixture on this aspect disease road surface all plays sled; Asphalt roofing such as the below is not subjected to disease, and it is complete that then sled is played on the road surface, otherwise, carried out for the 3rd step;
Used powerful milling machine or high power hydraulic to impact the fragmentation of vertical drill bit road pavement with the milling method to compare with former, the construction effect of such vertical equity along the asphalt paving interlayer can significantly be saved the required powerful power consumption of device drives.
The 3rd step: in horizontal elongated slot, vibrospade shovel head is aimed at the flexible pavement uppermost bonding aspect of this moment, vibrospade along this bonding aspect should the bonding aspect asphalt pavement mixture of top vibrate sled, make it with the asphalt roofing absciss layer of below and be broken for bulk, then collection; Collect complete until the bituminous mixture on this aspect disease road surface all plays sled; Asphalt roofing such as the below is not subjected to disease, and it is complete that then sled is played on the road surface, otherwise, repeated for the 3rd step.
The block old material of asphalt pavement regeneration is transported to and specifies factory to put into " old asphalt mixture is mixed hot reclaim equiment ", heating and melting through after collecting.The inventive method, avoided pressure milling (or broken with impacting vertical drill bit opposite road) that old asphalt pavement bituminous mixture aggregate size is injured, reach the few damage to the old asphalt mixture aggregate size, keep the original shape size in the old asphalt mixture aggregate, realized the former value regeneration of the block old material of asphalt pavement regeneration.
Description of drawings
Fig. 1, the block old material collecting device of asphalt pavement regeneration.
The specific embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described further.
Embodiment:
The disease road surface occurs for flexible pavement and implement asphalt pavement regeneration technique:
The first step: at first damaged condition surface layer and groundwork thickness, material behavior and the residing ambient condition on pitch disease road surface are measured.Determine the scope on disease road surface and the degree of depth of disease, clearly need the road surface aspect of regenerating, determine that such as present embodiment uppermost two aspects of flexible pavement need Regeneration and Repair.
Second step: use the special-purpose block old material collecting device (seeing accompanying drawing 1) of asphalt pavement regeneration construction asphalt pavement regeneration.Sail the block old material collecting device of asphalt pavement regeneration into the disease Bituminous Pavement, excavate in advance the horizontal elongated slot that can put into equipment shovel body and shovel 1, the degree of depth of elongated slot is subject to the bonding aspect (i.e. second bonding aspect) of the aspect bottom of disease greater than flexible pavement.Simultaneously, begin to move towards two lines of cut of cutting along the road surface with the two ends of cutting machine by elongated slot respectively, line of cut is cut to pavement disease to be finished to end, and the degree of depth to the flexible pavement of line of cut cutting is subject to the bonding aspect of the aspect bottom of disease.To shovel head aims at the bonding aspect of the superiors of flexible pavement (flexible pavement is spreading from level to level when carrying out paving operation again, between layers because the state of heat bonding is different, can produce bonding aspect, be called again the adhesive linkage plane of weakness), to shovel head adjust be fit to height after, the driving crawler travel driving mechanism of the hydraulic shock vibrating device on the shovel head of starting device and equipment.The shovel head is under the effect of hydraulic shock vibration, equipment is sailed in the process of advancing driving of crawler travel driving mechanism, progressively the large block ground of the bituminous mixture that the flexible pavement on the bonding aspect is old will be levered up, then by equipment being shoveled shovel frame oscillating oil cylinder flip-flop movement on the body, constantly in the front receiving hopper of access arrangement, the grader leveling blade transporter by the setting of hopper lower end ceaselessly transports in the hopper at equipment rear the old asphalt mixture that plays sled repeatedly again.Collect complete until the bituminous mixture on this aspect disease road surface all plays sled.
The 3rd step: in horizontal elongated slot, vibrospade shovel head is aimed at the flexible pavement uppermost bonding aspect (i.e. second bonding aspect) of this moment, vibrospade along this bonding aspect should the bonding aspect asphalt pavement mixture of top vibrated sled, make it with the asphalt roofing absciss layer of below and be broken for bulk, then collect; Collect complete until the bituminous mixture on this aspect disease road surface all plays sled.
The block old material of asphalt pavement regeneration is through after collecting loading bin, be transported to and specify factory to put into " old asphalt mixture is mixed hot reclaim equiment ", heating and melting, just can avoid pressure milling (or broken with impacting vertical drill bit opposite road) that old asphalt pavement bituminous mixture aggregate size is injured with this kind mode like this, reach the few damage to the old asphalt mixture aggregate size, thereby realize significantly keeping the collection of the original shape size in the old asphalt mixture aggregate and the in addition regeneration of the former value of vast scale.
The block old material of the asphalt pavement regeneration that the present invention proposes plays the practice in conjunction with utilization that the sled collection method is actually a kind of old asphalt pavement collection technique and hot regeneration techniques.The bituminous mixture reason that both can avoid adopting the milling mode to collect in the plant-mix heat recycle technology is destroyed flexible pavement old asphalt pavement bituminous mixture aggregate size, can solve again that the repair surface layer thickness generally can only be less than the restriction of 40mm in the hot regeneration techniques, comprise still insoluble technical barrier of present multiple layer local hot reproduction technology, thereby reach to comprehensively layer regeneration techniques development of flexible pavement, realize the comprehensively former ground surface material 100% former value recycling of layer of asphalt road.
Claims (1)
1. one kind is played the method that sled is collected the block old material of asphalt pavement regeneration, the steps include:
The first step: at disease flexible pavement initiating terminal, excavate a horizontal elongated slot, the degree of depth of elongated slot is subject to the bonding aspect of the aspect bottom of disease greater than flexible pavement; Simultaneously, the two ends by elongated slot begin to move towards two lines of cut of cutting along the road surface respectively, and line of cut is cut to pavement disease to be finished to end, and the degree of depth to the flexible pavement of line of cut cutting is subject to the bonding aspect of the aspect bottom of disease;
Second step: in horizontal elongated slot, the bonding aspect of first floor with vibrospade shovel head aligning flexible pavement, vibrospade along this bonding aspect should the bonding aspect asphalt pavement mixture of top vibrate sled, make it with the asphalt roofing absciss layer of below and be broken for bulk, then collection; Collect complete until the bituminous mixture on this aspect disease road surface all plays sled; Asphalt roofing such as the below is not subjected to disease, and it is complete that then sled is played on the road surface, otherwise, carried out for the 3rd step;
The 3rd step: in horizontal elongated slot, vibrospade shovel head is aimed at the flexible pavement uppermost bonding aspect of this moment, vibrospade along this bonding aspect should the bonding aspect asphalt pavement mixture of top vibrate sled, make it with the asphalt roofing absciss layer of below and be broken for bulk, then collection; Collect complete until the bituminous mixture on this aspect disease road surface all plays sled; Asphalt roofing such as the below is not subjected to disease, and it is complete that then sled is played on the road surface, otherwise, repeated for the 3rd step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105778922A CN102979032A (en) | 2012-12-27 | 2012-12-27 | Method for prying and collecting old material of asphalt pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105778922A CN102979032A (en) | 2012-12-27 | 2012-12-27 | Method for prying and collecting old material of asphalt pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102979032A true CN102979032A (en) | 2013-03-20 |
Family
ID=47853357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105778922A Pending CN102979032A (en) | 2012-12-27 | 2012-12-27 | Method for prying and collecting old material of asphalt pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102979032A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205923A (en) * | 2013-04-07 | 2013-07-17 | 中铁四局集团有限公司 | Bridge deck pavement concrete rapid and microquake explosion method |
| CN105442423A (en) * | 2015-12-25 | 2016-03-30 | 鞍山森远路桥股份有限公司 | Milling, spraying, stirring and material-collecting integrated device for heating milling machine |
| CN108867295A (en) * | 2018-06-08 | 2018-11-23 | 湘潭大学 | A kind of adjustable-width asphalt concrete pavement Slice by slice cutting recycling machine |
| CN108867294A (en) * | 2018-06-08 | 2018-11-23 | 湘潭大学 | A kind of hand-pushing pitch concrete road surface Slice by slice cutting recycling machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3792907A (en) * | 1972-04-10 | 1974-02-19 | Inst Gas Technology | Process for removing asphalt topping from pavement substrate |
| EP0316897A1 (en) * | 1987-11-20 | 1989-05-24 | BAGELA BAUMASCHINEN GMBH & CO. | Apparatus for cutting asphalt pavings |
| JP2007146459A (en) * | 2005-11-28 | 2007-06-14 | Taisei Rotec Corp | Induction heating equipment for bridge deck asphalt pavement |
| CN101415886A (en) * | 2006-03-29 | 2009-04-22 | 格林安株式会社 | Method for removing asphalt pavement, system for removing asphalt pavement, electromagnetic induction coil unit, device for removing asphalt pavement, and method for stripping asphalt pavement |
| US7695214B2 (en) * | 2007-05-07 | 2010-04-13 | Robert Mailand | Asphalt pavement remover |
-
2012
- 2012-12-27 CN CN2012105778922A patent/CN102979032A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3792907A (en) * | 1972-04-10 | 1974-02-19 | Inst Gas Technology | Process for removing asphalt topping from pavement substrate |
| EP0316897A1 (en) * | 1987-11-20 | 1989-05-24 | BAGELA BAUMASCHINEN GMBH & CO. | Apparatus for cutting asphalt pavings |
| JP2007146459A (en) * | 2005-11-28 | 2007-06-14 | Taisei Rotec Corp | Induction heating equipment for bridge deck asphalt pavement |
| CN101415886A (en) * | 2006-03-29 | 2009-04-22 | 格林安株式会社 | Method for removing asphalt pavement, system for removing asphalt pavement, electromagnetic induction coil unit, device for removing asphalt pavement, and method for stripping asphalt pavement |
| US7695214B2 (en) * | 2007-05-07 | 2010-04-13 | Robert Mailand | Asphalt pavement remover |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205923A (en) * | 2013-04-07 | 2013-07-17 | 中铁四局集团有限公司 | Bridge deck pavement concrete rapid and microquake explosion method |
| CN103205923B (en) * | 2013-04-07 | 2016-06-01 | 中铁四局集团有限公司 | A kind of deck paving of concrete is quick, microseism restructuring bankrupt |
| CN105442423A (en) * | 2015-12-25 | 2016-03-30 | 鞍山森远路桥股份有限公司 | Milling, spraying, stirring and material-collecting integrated device for heating milling machine |
| CN105442423B (en) * | 2015-12-25 | 2017-05-03 | 鞍山森远路桥股份有限公司 | Milling, spraying, stirring and material-collecting integrated device for heating milling machine |
| CN108867295A (en) * | 2018-06-08 | 2018-11-23 | 湘潭大学 | A kind of adjustable-width asphalt concrete pavement Slice by slice cutting recycling machine |
| CN108867294A (en) * | 2018-06-08 | 2018-11-23 | 湘潭大学 | A kind of hand-pushing pitch concrete road surface Slice by slice cutting recycling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102979032A (en) | Method for prying and collecting old material of asphalt pavement | |
| CN108867294A (en) | A kind of hand-pushing pitch concrete road surface Slice by slice cutting recycling machine | |
| KR101253598B1 (en) | Method for repairing of paved road of asphalt concrete | |
| CN203668805U (en) | Milling and repairing integrated system device for bituminous pavements | |
| CN201538972U (en) | Urban road inspection well resisting settlement and fragmentation | |
| CN111501512A (en) | Multi-stage rubblization construction method for road surface | |
| CN111005281B (en) | Highway pavement construction equipment and highway pavement construction method realized by same | |
| CN110878503A (en) | Damaged asphalt pavement repairing method | |
| KR101031053B1 (en) | The movable equipment for the re-construction of damage part in paved road | |
| CN109750587A (en) | A kind of multi-faceted asphalt concrete pavement Slice by slice cutting recycling machine | |
| CN108867295A (en) | A kind of adjustable-width asphalt concrete pavement Slice by slice cutting recycling machine | |
| CN110106770B (en) | Waste asphalt mixture aggregate low-damage separation device | |
| CN205329452U (en) | Cold regeneration basic unit road surface structure of emulsified asphalt | |
| CN1485496A (en) | Heat mending process for asphalt pavement pit and apparatus for mending pit | |
| CN110205895A (en) | A kind of green low-carbon environment-friendly type road structure using regrown material | |
| CN109750588A (en) | A kind of integration asphalt concrete pavement Slice by slice cutting recycling machine | |
| CN113638299B (en) | Construction method for repairing temporary asphalt pavement | |
| CN211340344U (en) | Asphalt pavement pit treatment vehicle | |
| CN105200905A (en) | Asphaltic petroleum pavement maintenance, reconstruction and smashing device | |
| CN220846963U (en) | Asphalt road flattening device | |
| CN1286336A (en) | Method for maintaining asphalt pavement | |
| Rinkal et al. | Reclaimed Asphalt Pavement (RAP)–A Review | |
| CN110205911A (en) | A kind of concrete road surface microwave-heating static(al) blasting demolishing method | |
| Avalle | Reducing haul road maintenance costs and improving tyre wear through the use of impact rollers | |
| KR100692511B1 (en) | Pavement Breaking Apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130320 |