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recycled concrete highway subbase

recycled concrete highway subbase

Use of Recycled Concrete Materials in Base/Subbase ...

2017-12-2 · Recycling Details •Recycling chosen over 3-hour round-trip haul for virgin aggregate. –200,000 gals of fuel saved in hauling virgin aggregate and demolished concrete •Crushing plant set up in interchange cloverleaf. –No crushing from midnight

Application of recycled waste aggregate to lean concrete ...

Download Citation | Application of recycled waste aggregate to lean concrete subbase in highway pavement | As aggregates recycled from various types of construction waste are continuously being ...

Use of Crushed/Recycled Concrete as Drainable

2014-4-30 · the recycled concrete. And shall identify location from where concrete will be removed; recycled concrete shall be placed in max 4-in lifts and each lift shall be compacted by a min of 3 passes w/ 10-ton roller (304.3.5) New Jersey Used as Dense-graded aggregate conforms with gradation and plasticity requirements (901.08)

Reclaimed Concrete Material - User Guideline - Granular ...

2016-3-8 · Precipitate Potential of Highway Subbase Aggregates, Report No. FHWA/OH-94/004 prepared for the Ohio Department of Transportation, November 1993. Hanks, A. J. and E. R. Magni. The Use of Recovered Bituminous and Concrete Materials in Granular Base and Earth, Ontario Ministry of Transportation Report MI-137, Downsview, Ontario, 1989.

The Use of Recycled Concrete Aggregate in a Dense

2019-9-19 · the permeability of recycled concrete aggregate (RCA), while attempting to maintain its structural integrity (i.e. – California Bearing Ratio, CBR). Before laboratory testing began, a survey was developed, sent to various state agencies, and tabulated to determine if other state agencies currently utilized RCA, and if so, what experience did

Recycled Sub-Bases - Soils&Stone

Soils and Stone can supply two different graded granular fills: 6F4 and 6F5. These materials typically contain crushed concrete, recycled asphalt and possibly crushed

Mechanical properties test of pavement base or subbase ...

2020-6-15 · The base or subbase material with various volumetric ratios of AS:FA:stacked coal gangue (SCG), AS:FA:air-washed coal gangue (ACG), AS:FA:recycled brick, and concrete debris (RBCD) were designed. In addition, their properties were tested, including unconfined compressive strength (UCS), indirect tensile strength (ITS), and compressive resilient ...

Testing and Evaluation of Reclaimed Materials as

2019-12-16 · these requirements, OPSS 1010 permits the use of several types of recycled or reclaimed materials, including recycled concrete aggregate (RCA) and recycled asphalt pavement (RAP), in a number of designated classes of aggregate subbase products including Granular B Type I and Granular B

New Zealand’s First 100% Recycled Road

2017-2-1 · Internationally recycled roading materials are widely used. Crushed concrete, steel slag and varieties of furnace ash are all commonly used in the construction of road subbase and basecourse in different parts of the world. Reclaimed Asphalt Pavement (RAP), melter slag and rubber are all used in road surfacing internationally.

Concrete Pavement Construction: Subgrades and Subbases

2011-5-17 · Subbase Types and Properties. There are 2 general types of subbases for concrete pavements. Unbound granular materials. Stabilized granular materials. The primary purpose of the subbase is to provide uniform support and minimize erosion and faulting under traffic.

(PDF) Beneficial Use of Recycled Concrete Aggregate as ...

Recycled concrete aggregate (RCA), the main component of global construction and demolition (C&D) waste, is mostly stockpiled, creating environmental impacts and consuming valuable land space.

Stiffness Properties of Recycled Concrete Aggregates as ...

2021-3-2 · The specific gravity of recycled concrete aggregates used in this research was 2.75. While the γ d max values of the base and subbase samples were found 20.10 and 19.40 kN/m 3, respectively, the as-received sample yielded an optimum water content of 13% and a maximum dry unit weight of 19.30 kN/m 3 under standard compaction energy. A higher maximum dry unit weight and lower optimum

Use of Crushed/Recycled Concrete as Drainable

2014-4-30 · the recycled concrete. And shall identify location from where concrete will be removed; recycled concrete shall be placed in max 4-in lifts and each lift shall be compacted by a min of 3 passes w/ 10-ton roller (304.3.5) New Jersey Used as Dense-graded aggregate conforms with gradation and plasticity requirements (901.08)

Use of Recycled Materials Ill Sub base Layers

aggregates, particularly with a view to using the recycled ag­ gregates as Type 1 and Type 2 granular subbase material, as defined by the British Specification for Highway Works (1). Type 1 subbase material can be used in less demanding cir­ cumstances; the specification therefore includes natural sands and gravels in this category.

Environmental Suitability of Recycled Concrete

2015-1-6 · aggregate bases are used in the construction of highway base layers which cause an environmental problem and depletion of natural resources (Cetin et al. 2014). Large amounts of recycled concrete aggregates (RCAs) are generated every year from the demolition of State highway concrete structures annually and part of these concrete wastes are

Mechanical properties test of pavement base or subbase ...

2020-6-15 · The base or subbase material with various volumetric ratios of AS:FA:stacked coal gangue (SCG), AS:FA:air-washed coal gangue (ACG), AS:FA:recycled brick, and concrete debris (RBCD) were designed. In addition, their properties were tested, including unconfined compressive strength (UCS), indirect tensile strength (ITS), and compressive resilient ...

The Development of a Performance Specification for ...

2020-1-3 · conducted on recycled asphalt pavement (RAP) and recycled concrete (RCA) to evaluate their potential use as base and subbase materials. Materials were tested at their respective natural gradations and at manufactured gradations which represented the NJDOT high, middle, and low areas of the gradation specification.

Testing and Evaluation of Reclaimed Materials as

2019-12-16 · these requirements, OPSS 1010 permits the use of several types of recycled or reclaimed materials, including recycled concrete aggregate (RCA) and recycled asphalt pavement (RAP), in a number of designated classes of aggregate subbase products including Granular B Type I and Granular B

New Zealand’s First 100% Recycled Road

2017-2-1 · Internationally recycled roading materials are widely used. Crushed concrete, steel slag and varieties of furnace ash are all commonly used in the construction of road subbase and basecourse in different parts of the world. Reclaimed Asphalt Pavement (RAP), melter slag and rubber are all used in road surfacing internationally.

Concrete Pavement Construction: Subgrades and Subbases

2011-5-17 · Subbase Types and Properties. There are 2 general types of subbases for concrete pavements. Unbound granular materials. Stabilized granular materials. The primary purpose of the subbase is to provide uniform support and minimize erosion and faulting under traffic.

Use of Crushed/Recycled Concrete as Drainable

2014-4-30 · the recycled concrete. And shall identify location from where concrete will be removed; recycled concrete shall be placed in max 4-in lifts and each lift shall be compacted by a min of 3 passes w/ 10-ton roller (304.3.5) New Jersey Used as Dense-graded aggregate conforms with gradation and plasticity requirements (901.08)

Stiffness Properties of Recycled Concrete Aggregates as ...

2021-3-2 · The specific gravity of recycled concrete aggregates used in this research was 2.75. While the γ d max values of the base and subbase samples were found 20.10 and 19.40 kN/m 3, respectively, the as-received sample yielded an optimum water content of 13% and a maximum dry unit weight of 19.30 kN/m 3 under standard compaction energy. A higher maximum dry unit weight and lower optimum

Use of Recycled Materials Ill Sub base Layers

aggregates, particularly with a view to using the recycled ag­ gregates as Type 1 and Type 2 granular subbase material, as defined by the British Specification for Highway Works (1). Type 1 subbase material can be used in less demanding cir­ cumstances; the specification therefore includes natural sands and gravels in this category.

Reclaimed Asphalt Pavement and Recycled Concrete

Recycled concrete aggregate (RCA), on the other hand, has been widely accepted in pavement applications. The sustainable solution of blending RAP with RCA was investigated in this research in an attempt to facilitate the usage of this blend as an alternative pavement subbase material.

Environmental Suitability of Recycled Concrete

2015-1-6 · aggregate bases are used in the construction of highway base layers which cause an environmental problem and depletion of natural resources (Cetin et al. 2014). Large amounts of recycled concrete aggregates (RCAs) are generated every year from the demolition of State highway concrete structures annually and part of these concrete wastes are

Testing and Evaluation of Reclaimed Materials as

2019-12-16 · these requirements, OPSS 1010 permits the use of several types of recycled or reclaimed materials, including recycled concrete aggregate (RCA) and recycled asphalt pavement (RAP), in a number of designated classes of aggregate subbase products including Granular B Type I and Granular B

The Development of a Performance Specification for ...

2020-1-3 · conducted on recycled asphalt pavement (RAP) and recycled concrete (RCA) to evaluate their potential use as base and subbase materials. Materials were tested at their respective natural gradations and at manufactured gradations which represented the NJDOT high, middle, and low areas of the gradation specification.

Subgrades and Subbases for Concrete Pavements

2020-1-31 · subbase, subbase, subgrade, unstabilized subbase, volume stability. Abstract: This engineering bulletin provides the necessary background information for the proper selection and application of subbases and the appropriate consideration of subgrade variables for concrete pavements used for streets, roads and highways.

Section 6F-1 - Pavement Subbase Design and Construction

2020-3-6 · Chapter 6 - Geotechnical Section 6F-1 - Pavement Subbase Design and Construction 3 Revised: 2013 Edition D. Effects of Stability and Permeability on Pavement Foundation The subbase is the layer of aggregate material that lies immediately below the pavement and usually consists of crushed aggregate or recycled materials. 1.

New Zealand’s First 100% Recycled Road

2017-2-1 · Internationally recycled roading materials are widely used. Crushed concrete, steel slag and varieties of furnace ash are all commonly used in the construction of road subbase and basecourse in different parts of the world. Reclaimed Asphalt Pavement (RAP), melter slag and rubber are all used in road surfacing internationally.