recycled base course pics

Reclaimed Concrete Material - User Guideline - Granular ,

Two highway agencies (Illinois and Pennsylvania) have specifications that directly address RCM use in granular base (1) A number of states are conducting or have proposed research into the use of RCM as aggregate for granular base course They include Arizona, Iowa, ,

Supplemental Specifications

Cement Modified Recycled Base 09/02/2009 Preventative Maintenance Thin Lift Seal Course 11/04/2009 As-Built Construction Plans 11/16/2009 Cross Slope Verification 12/01/2009 Fuel Adjustment Index 01/01/2010 Maintenance Open Graded Friction Course 02/01/2010 Micro Surfacing 03/01/2010


ANALYSIS OF USING RECLAIMED ASPHALT PAVEMENT (RAP) AS A BASE COURSE MATERIAL by Robert Locander, PE Pavement Design Program Report No CDOT-2009-5 Sponsored by Colorado Department of Transportation In Cooperation with the US Department of Transportation Federal Highway Administration February 2009 Colorado Department of Transportation

Evaluation of Current Practices of Reclaimed Asphalt ,

EVALUATION OF CURRENT PRACTICES OF RECLAIMED ASPHALT PAVEMENT/ AGGREGATE AS BASE COURSE MATERIAL Eric J McGarrah A research paper submitted in partial fulfillment of the requirements for degree of Master of Science Civil Engineering University of Washington 2007 Program Authorized to Offer Degree: Civil Engineering

Determining Pavement Design Criteria for Recycled ,

using recycled aggregates (Lee et al 2010) The use of recycled aggregates can also provide overall project savings by minimizing transportation costs for VAs (Gonzalez and Moo-Young 2004) Recycled concrete aggregate (RCA) and recycled asphalt pavement (RAP) are the two recycled aggregates that have been used in aggregate base layer construction

Glass Guide 2013 - New Mexico Recycling Coalition

for the use of recycled glass aggregate in base course The specification Maximum Cullet Content (%) Maximum Debris Level (%) Minimum Compaction Level (%) Structural Applications: Roadway Base Course 15 5 95 Roadway Sub Base 30 5 95 Embankments 30 5 95 Static Structural Loads 30 5 95 Fluctuating Load 15 5 95

RAP Base Course - Boh Bros Construction - YouTube

Aug 16, 2017· RAP, or recycled asphalt pavement, Base Course is an environmentally friendly alternative to traditional base course Boh Bros sells and places RAP Base Course throughout the New Orleans area To .

RAP Base Course - Recycled Asphalt Pavement | Boh Bros

RAP Base Course is a recycled asphalt alternative to traditional base course materials Recycled Asphalt Pavement Base Course (also known as RAP for short) is an alternative material that offers a significant benefit to the environment without compromising quality of traditional base cours

Reclaimed Asphalt Concrete - User Guideline - Granular ,

This is the Turner-Fairbank Highway Research Center INTRODUCTION Reclaimed asphalt pavement (RAP) can be used as granular base or subbase material in virtually all pavement types, including paved and unpaved roadways, parking areas, bicycle paths, gravel road rehabilitation, shoulders, residential driveways, trench backfill, engineered fill, pipe bedding, and culvert backfill


RECYCLED ASPHALT PAVEMENT AND ASPHALT MILLINGS (RAP) REUSE GUIDANCE MARCH 2013 A GENERAL INFORMATION It is the policy of the New Jersey Department of Environmental Protection (Department or NJDEP) to encourage and promote the use of recycled ,

Section 815 Graded Aggregate - Welcome to The GDOT

This section includes the requirements for material to be used for base, subbase, or shoulder course material, and includes graded aggregate, unconsolidated limerock base, and crushed concrete base , except that the aggregate will be recycled concrete Ensure that the finished product is free of foreign materials such as asphaltic concrete .

Texas Crushed Base – Applications

Applications Texas Aggregate & Base Materials is always prepared to use its products and services in different applications Below is a partial list of common applications and industries served by our products/services mix Commercial Applications Shopping centers and strip centers Industrial Applications Petrochemical and refinery applications Residential Applications Multi-family ,


cement modified recycled base (10" unif)-curing method b 74,740000 sy cement modified recycled base (12" unif)-curing method b 30,977000 sy portland cement for cement modified recycled base course 4,510000 ton maintenance stone 49500 ton hma shoulder widening course 712800 ton liquid asphalt binder pg64-22 994617 ton

(PDF) Evaluation of Using the Crushed Concrete Aggregate ,

Evaluation of Using the Crushed Concrete Aggregate as Unbound Pavement Layer , Recycling of waste concrete to obtain the recycled concrete aggregates (RCA) for base and/or sub-base materials in .

Road surface - Wikipedia

A road surface or pavement is the durable surface material laid down on an area intended to sustain vehicular or foot traffic, such as a road or walkwayIn the past, gravel road surfaces, cobblestone and granite setts were extensively used, but these surfaces have mostly been replaced by asphalt or concrete laid on a compacted base courseAsphalt mixtures have been used in pavement .

Determining Pavement Design Criteria for Recycled ,

LRRB (2016) Recycled Materials in Unbound Aggregate Base Layers in Minnesota Transportation Research Synthesis (TRS 1604) Local Road Research Board, Minnesota Department of Transportation McGarrah, E J (2007) Evaluation of current practices of reclaimed asphalt pavement/ aggregate as base course material

Determination of Structural Equivalency Factors of ,

foamed-asphalt recycled base course replaced the initial pavement asphalt layer of a little more than 58 in (145 mm) on average The recycled layer was cold mixed at a central plant and placed in two layers The base course was overlaid by a hot-mil< asphalt-concrete layer of 125 in (32 mm) The

Aggregate & Asphalt - Concrete Materials

Concrete Materials offers the highest quality selection of rock, sand and gravel We wash and grade many of our aggregate products to meet appropriate specifications One of our most unique high-quality aggregates: quartzite Check out the individual listings below for product details!

Cement Modified Recycled Base 12-01-10

cement, and constructing the base course in conformance with the lines, grades, dimensions, and cross-sections shown on the Plans or as directed by the RCE 20 MATERIALS 21 Portland Cement Use Portland cement that conforms to the requirements of - Subsection 30121

Recycled Base Aggregates in Pavement Applications

Recycled Pavement Material (RPM) Generated by grinding up the bound layers and some of unbound base Can be a mixture of RAP and RCA (left), or RAP and base aggregate or RAP, RCA and aggregate Properties depend on the constituents to some degree, may behave more like RAP or more like regular mineral aggregate depending on the proportions

Section 815 Graded Aggregate

Use limerock base, subbase, or shoulder course material of uniform quality a To ensure uniform quality, the Department may restrict approved sources to specific mining areas, mining processes at a specific mining site, or both b Use a limerock base that yields a mixture to meet these Specifications

Performance of Recycled Concrete Aggregate as a Base ,

Performance of Recycled Concrete Aggregate as a Base Course Material in Road Pavements Recycled demolition aggregates as a base course for roads • Recycled demolition material may be made up of: – straight crushed concrete – comingled demolition materials containing: • and tile • asphalt • other unbound aggregates

Our Products - Henderson Pit

Recycled Concrete Products All recycled concrete products are 100% post consumer concrete Class 1 – 3/4″ Crushed Concrete Our Class 1 crushed concrete meets or exceeds CDOT specifications and is commonly used as structural back fill Class 6 Road Base 3/4″ Crushed Concrete


S-4 GRANULAR BASE and AGGREGATES Page 7 of 7 Final acceptance of the base course is at the authority of the City Engineer and will immediately precede paving Any pavement or structure placed on a base course without expressed City Engineer approval is ,

02710-Base Course for Pavement - pearlandtxgov

CITY OF PEARLAND BASE COURSE FOR PAVEMENT 5/2013 02710 - 1 of 12 Section 02710 BASE COURSE FOR PAVEMENT 10 G E N E R A L 101 SECTION INCLUDES A Base course of crushed stone, recycled crushed concrete base, cement-stabilized crushed stone, cement -stabilized bank- run gravel, recycled crushed stone and hot mix asphalt base course

Martin Marietta Materials - Base (Dense-Graded Base Coarse)

Base, Base Course, Graded Base Course (GAB), Aggregare Base Course (ABC)

Section III: Surface Gravel - US EPA

a #200 sieve, base course can have as little as 3%, but not more than 12% passing the same sieve More importantly, the PI can fall to 0 in base course and rise to no more than 6The same index can rise as high as 12 or be no less than 4 in surface gravel There is good reason for this Good surface gravel needs a percentage of

Our Products

Recycled Concrete Products All recycled concrete products are 100% post consumer concrete Class 1 – 3/4″ Crushed Concrete Our Class 1 crushed concrete meets or exceeds CDOT specifications and is commonly used as structural back fill Class 6 Road Base 3/4″ Crushed Concrete

Recycled Concrete Aggregate — Crushcrete

Recycled concrete stone provides both economical and environmental benefits to consumers Recycled Concrete aggregates are considered to be the best base course material available Because it is 100% fractured face material, the material particles interlock, making compaction faster and easier

Base Rock & Aggregate Baserock - Canyon Rock Inc

base rock Class II Base () Sonoma County and Cal Trans Spec Class II Native rock with no recycled materials Generally used to form a base for roads, parking lots, driveways, sidewalks, and used under asphalt Designed to compact tightly when the right equipment is used May be used as a sub base under foundations

24/7 Service

We have set up a team with hundreds of technical engineers to resolve a series of problems during project consultation, on-site surveys, sample analysis, program design, installation, commissioning and maintenance guidance.