asphaltic concrete recycle apparatus and method
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asphaltic concrete recycle apparatus and method .

Asphaltic concrete recycle apparatus and method ...

An apparatus for recycling asphaltic concrete comprises an elongated rotatable drum in which composition is introduced at a first end and recovered at the opposite second end, and having a burner extending into the drum so that the burner nozzle is located within the drum intermediate the first and second ends and directs the hot gases toward the first end, and wherein the portion of the drum ...

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Method of and apparatus for asphaltic concrete hot mix ...

I claim: 1. In the hot mix method of recycling aged asphaltic concrete pavement which has been removed and sized to provide an aged mix including old asphalt and aggregate, the improvement comprising: providing a stream of hot gases moving in a downstream direction from a source, the hot gas stream at an upstream location having a first temperature greater than the destructive temperature of ...

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Method of and apparatus for asphaltic concrete hot mix ...

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Apparatus for asphaltic concrete hot mix recycling - Iowa ...

Apparatus for use in hot mix recycling of aged asphaltic concrete pavement which has been removed and sized to provide an aged mix and thereafter combined with fresh aggregate and fresh asphalt, the apparatus comprising: a first material mixing chamber having a longitudinal axis and upstream and downstream ends with reference to its said axis ...

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Method for recycling asphaltic concrete - MENDENHALL ...

Method of and apparatus for asphaltic concrete hot mix recycling: 1982-03-09: Schlarman: 366/4: 4309113: Asphaltic concrete recycle exhaust gas treatment apparatus and method: 1982-01-05: Mendenhall: 366/4: 4215941: Method and apparatus for recycling asphalt-aggregate compositions: 1980-08-05: Mendenhall: 366/25: 4189238: Recycled asphalt ...

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US4387996A - Batch method of recycling asphaltic

A batch method of producing asphalt-aggregate composition having a temperature of at least about 200° F. and at least about 20% used asphaltic concrete comprises heating solid particles of the used material in a first drum to a temperature of at least about 150° F., separately heating virgin aggregate in a second drum to a temperature of less than about 400° F., and mixing the two materials ...

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Supply of Asphaltic Pavement - Regina

2021-10-10  No asphalt concrete shall be supplied or placed until the Engineer has received copies of the mix design and has given written approval of its use. 2.4.2 The laboratory mix design is to comply with the requirements for Section 2325 for Supply of Asphaltic Concrete, clauses 2.1, 2.2, 2.3 and 2.4 and follow the Marshall Method of mix design.

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Asphalt Concrete Mix Design - KSU

2014-1-31  Marshall Mix Design •Developed by Bruce Marshall for the Mississippi Highway Department in the late 1930’s • No. of blows, •Decided on 10 lb..Hammer, 50 blows/side • 4% voids after traffic • Initial criteria were established and upgraded

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Asphalt Concrete - an overview ScienceDirect Topics

James G. Speight PhD, DSC, in Asphalt Materials Science and Technology, 2016 1.2.1.3 Asphalt Concrete. Asphalt concrete is commonly called asphalt, blacktop, or pavement in North America, and tarmac in Great Britain and Ireland. Asphalt concrete is known by many different names, examples are: (i) hot mix asphalt (HMA), (ii) warm mix asphalt (WMA), (iii) cold mix asphalt (CMA), (iv) plant mix ...

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Concrete and Highway Engineering Lab

2020-5-7  Concrete is a composite material which is made up of a filler and a binder. Typical concrete is a mixture of fine aggregate (s and), c oarse aggregate (r ock), c ement, and water. Under no circumstances should the word "cement" be used to refer to the composite product "concrete".

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(PDF) RECYCLING ASPHALT PAVEMENT IN COLD

The curing method is the pivotal ... • The existence of recycled asphalt pavement in clod asphaltic mixtures ... Cold recycling of asphalt concrete pavements is a widely practiced technique ...

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MARSHALL MIX DESIGN METHOD FOR ASPHALTIC

2018-5-18  (An Arizona Method) 1. SCOPE . 1.1 This method is used to design Asphaltic Concrete mixes with Reclaimed Asphalt Pavement (RAP) using 4-inch diameter Marshall apparatus. 1.2 This test method involves hazardous material, operations, and equipment. This test method does not purport to address all of the safety concerns associated with its use.

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Beneficial utilization of recycled asphaltic concrete ...

The use of recycled asphaltic concrete aggregate (RACA) in Portland cement concrete results in reductions in strength [, , , ]. The reduced bond between asphalt coated aggregate and mortar or paste is the main reason for the reduction in strength [ 16 , 17 ].

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"In-Place Recycling and Reclamation of Asphaltic Concrete ...

Full-depth reclamation has been defined by the Asphalt Recycling and Reclaiming Association as a “rehabilitation technique in which the full thickness of the asphalt pavement and a predetermined portion of the underlying material (base, subbase, and/or subgrade) is uniformly pulverized, blended and compacted to provide an upgraded, homogeneous material resulting in a stabilized base course.”

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US4226552A - Asphaltic pavement treating apparatus and ...

A series of treatments are performed on old asphaltic pavement to make it suitable for being satisfactorily applied as a new mat. The old asphaltic pavement is heated and scarified to form a loose aggregate-asphaltic mixture while remaining on the ground surface. The mixture is removed from the ground surface and heated in an elongated rotary housing having heated conductors without direct ...

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MARSHALL MIX DESIGN METHOD FOR ASPHALTIC

2018-5-18  FOR ASPHALTIC CONCRETE (An Arizona Method) 1. SCOPE 1.1 This method is used to design Asphaltic Concrete mixes using 4-inch diameter Marshall apparatus. 1.2 This test method involves hazardous material, operations, and equipment. This test method does not purport to

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Penetration Characteristics of Asphalt in a Recycled ...

Samples of both recycled and nonrecycled asphaltic concrete were extracted in increments by the Abson Recovery Method and the penetration of the asphalt from each increment determined. The recycled projects were plantsite operations containing various amounts of virgin gravel. Cored samples were taken from the pavements on Kossuth County roads that were constructed as recycled projects in 1975 ...

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PENETRATION CHARACTERISTICS OF ASPHALT IN A

Samples of both recycled and nonrecycled asphaltic concrete were extracted in increments by the Abson Recovery Method and the penetration of the asphalt from each increment determined. The recycled projects were plantsite operations containing various amounts of virgin gravel. Cored samples were taken from the pavements on Kossuth County roads ...

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Supply of Asphaltic Pavement - Regina

2021-10-10  No asphalt concrete shall be supplied or placed until the Engineer has received copies of the mix design and has given written approval of its use. 2.4.2 The laboratory mix design is to comply with the requirements for Section 2325 for Supply of Asphaltic Concrete, clauses 2.1, 2.2, 2.3 and 2.4 and follow the Marshall Method of mix design.

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Asphalt Concrete Mix Design - KSU

2014-1-31  Select and test asphalt cement – Establish mixing and compaction temperatures • Develop trial blends – Heat and mix asphalt cement and aggregates –Compact specimen (102 mm diameter) bit. = 4% 4.5% bit. = 5% bit. = 5.5% (Just an example) bit. = 6%

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(PDF) RECYCLING ASPHALT PAVEMENT IN COLD

The curing method is the pivotal ... • The existence of recycled asphalt pavement in clod asphaltic mixtures ... Cold recycling of asphalt concrete pavements is a widely practiced technique ...

Get Price

"In-Place Recycling and Reclamation of Asphaltic Concrete ...

Full-depth reclamation has been defined by the Asphalt Recycling and Reclaiming Association as a “rehabilitation technique in which the full thickness of the asphalt pavement and a predetermined portion of the underlying material (base, subbase, and/or subgrade) is uniformly pulverized, blended and compacted to provide an upgraded, homogeneous material resulting in a stabilized base course.”

Get Price

MARSHALL MIX DESIGN METHOD FOR ASPHALTIC

2018-5-18  FOR ASPHALTIC CONCRETE (An Arizona Method) 1. SCOPE 1.1 This method is used to design Asphaltic Concrete mixes using 4-inch diameter Marshall apparatus. 1.2 This test method involves hazardous material, operations, and equipment. This test method does not purport to

Get Price

Penetration Characteristics of Asphalt in a Recycled ...

Samples of both recycled and nonrecycled asphaltic concrete were extracted in increments by the Abson Recovery Method and the penetration of the asphalt from each increment determined. The recycled projects were plantsite operations containing various amounts of virgin gravel. Cored samples were taken from the pavements on Kossuth County roads that were constructed as recycled projects in 1975 ...

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Laboratory Design and Investigation of the Properties of ...

The study also reveals that asphaltic concrete samples produced without CBA as fillers are better as they have an average stability value of 15.61 KN and average flow value of 4.90 mm than those ...

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Supply of Asphaltic Pavement - Regina

2021-10-10  No asphalt concrete shall be supplied or placed until the Engineer has received copies of the mix design and has given written approval of its use. 2.4.2 The laboratory mix design is to comply with the requirements for Section 2325 for Supply of Asphaltic Concrete, clauses 2.1, 2.2, 2.3 and 2.4 and follow the Marshall Method of mix design.

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413FA3$. RECYCLED ASPHALT CONCRETE PAVEMENT

2013-2-27  "SECTION 413 RECYCLED ASPHALT CONCRETE PAVEMENT. 413.01 Description. This work includes furnishing and placing recycled asphalt concrete pavement (Recycled ACP) according to the contract. 413.02 Materials. The recycled ACP includes a mixture of crushed reclaimed asphaltic concrete pavement (RAP), virgin aggregate, and asphalt cement.

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Application of Recycled Polyethylene Terephthalate Fiber ...

2018-5-13  The study aim is to determine the suitability of recycled polyethylene terephthalate (PET) fiber in fatigue life improvement of asphalt concrete mix. Fatigue crack is among the principal distresses that shortens the life span of flexible pavements.

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Asphalt Concrete - an overview ScienceDirect Topics

James G. Speight PhD, DSC, in Asphalt Materials Science and Technology, 2016 1.2.1.3 Asphalt Concrete. Asphalt concrete is commonly called asphalt, blacktop, or pavement in North America, and tarmac in Great Britain and Ireland. Asphalt concrete is known by many different names, examples are: (i) hot mix asphalt (HMA), (ii) warm mix asphalt (WMA), (iii) cold mix asphalt (CMA), (iv) plant mix ...

Get Price

Concrete and Highway Engineering Lab

2020-5-7  Concrete is a composite material which is made up of a filler and a binder. Typical concrete is a mixture of fine aggregate (s and), c oarse aggregate (r ock), c ement, and water. Under no circumstances should the word "cement" be used to refer to the composite product "concrete".

Get Price
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