caltrans rubberized hot mix asphalt

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caltrans rubberized hot mix asphalt

Notice of Funds Available: Rubberized Pavement Grant ...

The Rubberized Pavement Grant Program is designed to promote markets for recycled-content surfacing products derived from only California-generated waste tires. It is aimed at encouraging first-time or limited users of rubberized pavement in two project types – Rubberized Asphalt Concrete Hot-Mix (Hot-Mix) and Rubberized Chip Seal (Chip Seal).

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Flexible Pavement Construction | Caltrans

Flexible Pavement Construction. Common types of flexible pavement include hot mix asphalt (HMA), rubberized hot mix asphalt-gap graded (RHMA-G), and open graded friction course (OGFC). There are also two types of rubberized OGFC mixes: rubberized hot mix asphalt-open graded (RHMA-O) and RHMA-O-high-binder (RHMA-O-HB).

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Caltrans - Office Engineer - Advertised Projects

Caltrans Bidding Connect; Sitemap; Custom Google Search Submit. Close Search. List of Bid Items. ... RUBBERIZED HOT MIX ASPHALT (GAP GRADED) TON: 1,590: 47: 390402: RUBBERIZED HOT MIX ASPHALT-OPEN GRADED (OPEN GRADED FRICTION COURSE) TON: 800: 48: 397005: TACK COAT: TON: 18: 49: 398200: COLD PLANE ASPHALT CONCRETE PAVEMENT:

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CHAPTER 630 FLEXIBLE PAVEMENT - Caltrans

to create asphalt rubber binder. The aggregate is gap graded to create space between the aggregate particles to accommodate asphalt rubber binder. The Department uses only one type of gap graded HMA: Rubberized Hot Mix Asphalt-Gap-graded (RHMA-G). …

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Research and Implementation of Rubberized Warm-Mix …

long-term performance of rubberized hot-mix asphalt. x Use research findings to guide the implementation of rubberized warm-mix asphalt. The study workplan [6] was updated to meet these objectives. Research included: x Monitoring the production of seven different warm mixes and two hot-mix controls (12.5 mm gap-graded mix).

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Hot Mix Asphalt Construction | Caltrans

About Hot Mix Asphalt Construction Every year, the State of California invests millions of dollars in construction of hot mixed asphalt (HMA), previously known as Asphalt Concrete (AC), pavement. Producing high quality HMA pavement requires a good partnership between Caltrans, the plant producing the HMA material and the contractor placing the HMA.

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Caltrans use of scrap tires in asphalt rubber products: a ...

Asphalt rubber products have been typically used in hot mix asphalt and spread applications (Caltrans 2003). In the rewrite of the Caltrans asphalt concrete specifications, the term "rubberized asphalt concrete (RAC)" has been changed to rubberized hot mix asphalt (RHMA) (Caltrans 2011). The rest of the paper uses RAC and RHMA interchangeably.

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Asphalt Mixtures Calculator - Vulcan Materials Company

Asphalt Mixtures Calculator. Enter the width, length and thickness, then hit the "Calculate" button to calculate your estimate. You may also revise the default density value of 145 lbs/cubic ft. Actual densities may vary depending on the components of the mix.

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MANUAL CHANGE TRANSMITTAL 13-17 - California

A, Type B, rubberized hot mix asphalt (RHMA), open-graded friction course, and hot mix asphalt with additives such as hot mix asphalt (all types) with warm mix asphalt (WMA) technology. In this section, unless the term WMA is specified, the term hot mix asphalt refers to all mixtures of aggregate and asphalt regardless of the mixing or

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Item Code Search - District 8 | Caltrans

390403. RUBBERIZED HOT MIX ASPHALT-OPEN GRADED HIGH BINDER (OPEN GRADED FRICTION COURSE) 391006. ASPHALT BINDER (GEOSYNTHETIC PAVEMENT INTERLAYER) (ENGMET) 394072. PLACE HOT MIX ASPHALT DIKE (TYPE B) 394073. PLACE HOT MIX ASPHALT DIKE (TYPE A) (ENGMET) 394074.

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Asphalt Rubber Usage Guide-Revised 09-30-06

Asphalt Rubber Usage Guide September 30, 2006 Caltrans/CIWMB Partnered Research ABSTRACT This Asphalt Rubber Usage Guide is intended for use by Caltrans design, construction, and maintenance managers and engineers, as well as by field personnel involved in placement of asphalt rubber paving materials including hot mixes and surface treatments.

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MANUAL CHANGE TRANSMITTAL 18-6 - California

4-3901B Rubberized Hot Mix Asphalt Rubberized hot mix asphalt (RHMA) is produced by mixing asphalt rubber and aggregate. Asphalt rubber is specified to include 18-22 percent rumb c rubber modifier (CRM) by total mass of the asphalt rubber blend. The CRM must also include 25 percent

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Quality Control Manual for Hot Mix Asphalt ... - Caltrans

In î ì í, Caltrans made theswitch from the Hveem mix design process to the Superpave mix design process and temporarily removed the incentive and disincentive specifications. In 2019, after five years of continuous ... "Rubberized Hot Mix Asphalt Gap-Graded Using Statistical

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Asphalt Rubber Hot Mix and Recycled Pavement Products

2.2 million barrels (380K tons) of asphalt conserved Caltrans is working on a specificatiton to allow RAS in hot mix asphalt * Source: 2nd Annual Asphalt Pavement Industry Survey on Reclaimed Asphalt Pavement, Reclaimed Asphalt Shingles, and Warm-Mix Asphalt Usage: 2009-2011; National Asphalt Pavement Association

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Caltrans - Office Engineer - Advertised Projects

Caltrans Bidding Connect; Sitemap; Custom Google Search Submit. Close Search. List of Bid Items. ... RUBBERIZED HOT MIX ASPHALT (GAP GRADED) (STATISTICAL PAY FACTOR) TON: 85,100: 41: 394073: PLACE HOT MIX ASPHALT DIKE (TYPE A) LF: 66,400: 42: 394074: PLACE HOT MIX ASPHALT DIKE (TYPE C) LF: 1,890: 43: 394075:

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Permeability Testing on Dense-Graded Hot Mix Asphalt …

However, one of the three projects with a gap-graded rubberized hot mix asphalt surface had permeabilities not consistent with the other two. When data from that gap-graded rubberized hot mix asphalt surface was removed, the average value for the surface ... CALTRANS TECHNICAL LEAD AND REVIEWER(S) S. Balasubramanian 6. FHWA NUMBER CA182684A 7 ...

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Rutting of Caltrans Asphalt Concrete and Asphalt-Rubber ...

Caltrans has also used asphalt-rubber hot mix gap-graded (ARHM-GG) for overlays for approximately the last 20 years (1). Although Caltrans has many years of experience with ARHM-GG overlays, the strategy is not used routinely. It has been estimated that ARHM-GG is used on about 5 percent of the

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CSULB | Caltrans - Joint Training & Certification Program

The Joint Training and Certification Program (JTCP) has developed a two-part series certification program in Hot Mix Asphalt (HMA) for construction materials lab technicians. To help reduce conflict and delay on construction projects within the state, Caltrans, in partnership with CSULB, has developed a series of joint training and ...

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ARTIC - California - Asphalt Rubber High Performance for ...

Caltrans Experience With Rubberized Asphalt Concrete Caltrans has considerable experience with the use of rubber in dense graded asphalt concrete hot mix (DGAC). This experience began in 1978 and has continued to the present. The experience to date has indicated that the use of rubber in asphalt... Read More Caltrans Pavement Rehabilitation ...

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An increase in the use of Asphalt Rubber by Caltrans and ...

2015 (copy attached). In that memo, Caltrans made Rubberized Hot Mix Asphalt the default hot mix paving product to be used on all Caltrans jobs. GHG Reduction Strategy #1 Implement a policy making Asphalt Rubber Chip Seals the default chip seal product, and requiring a specific justification if a different chip seal product is to be used. This

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03 CALTRANS STATE OF CALIFORNIA DEPARTMENT OF ...

caltrans state of california department of transportation bid for construction on state highway in ... rubberized hot mix asphalt (gap graded) 47 390402 1660.0 ton $130.00 $215,800.00 rubberized hot mix asphalt-open graded (open graded friction course) 48 397005 20.0 ton $1.00 $20.00

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Caltrans - Office Engineer - Advertised Projects

rubberized hot mix asphalt-open graded (open graded friction course) ton: 10,700: 47: 393005: geosynthetic pavement interlayer (paving mat) sqyd: 248,000: 48: 394074: place hot mix asphalt dike (type c) lf: 11,900: 49: 394076: place hot mix asphalt dike (type e) lf: 23,800: 50: 394077: place hot mix asphalt dike (type f) lf: 1,100: 51: 394090 ...

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hot mix asphalt construction caltrans california

Chapter 4 Construction Details - Caltrans. California Department of Transportation ... construction requirements for hot mix asphalt (HMA) including Type A, rubberized hot mix asphalt-gap graded (RHMA-G), open-graded friction course (OGFC), minor ...

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California 1: where warm mix asphalt and asphalt rubber ...

On Sept. 15, 2009, Caltrans used warm mix asphalt technology in a rubberized hot mix asphalt-gap graded mix on a traveled way, U.S. 101 south of Eureka. ...

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Caltrans - Office Engineer - Advertised Projects

Caltrans Bidding Connect; Sitemap; Custom Google Search Submit. Close Search. List of Bid Items. ... RUBBERIZED HOT MIX ASPHALT (GAP GRADED, STATISTICAL PAY FACTOR) TON: 16,900: 23: 391006: ASPHALT BINDER (GEOSYNTHETIC PAVEMENT INTERLAYER) TON: 31: 24: 393005: GEOSYNTHETIC PAVEMENT INTERLAYER (PAVING MAT)

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Rubberized Asphalt Concrete—Available Options

The wet process mixes the rubber with the binder (80% asphalt cement / 20% crumb rubber) in a field blending unit prior to introduction at the hot mix plant. Caltrans began experimenting with rubberized asphalt produced by the "wet process" in the 1970s and developed design criteria using roadway deflection testing that resulted in thinner ...

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CEFS - Caltrans E-Forms System

Caltrans Hot Mix Asphalt Verification 05-01-2019 . CEM3514 : Contractor Job Mix Formula Renewal 05-01-2019 ... Hot Mix Asphalt Inspection and Testing Summary 04-01-2009 ... 01-01-2018 . CEM4410 : Crumb Rubber Usage Report 10-01-2015 . CEM4501 : Resident Engineer's Daily Report Assistant Resident Engineer's Daily Report 11-01-2006

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Initial Performance Study on Caltrans SR 36 Rubberized ...

Trials of these products have been mostly used as binders in hot mix asphalt (HMA). To explore their potential use in seal coats and expand the toolbox to include this pavement preservation strategy, California Department of Transportation (Caltrans) has taken the initiative to evaluate the use of various binder products in seal coat application.

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Authors: F. Farshidi, D. Jones, and J.T. Harvey

Title: Warm-Mix Asphalt Study: Evaluation of Rubberized Hot- and Warm-Mix Asphalt with Respect to Emissions Authors: F. Farshidi, D. Jones, and J. T. Harvey Caltrans Technical Leads: T. Joe Holland (Caltrans) and Nathan Gauff (CalRecycle) Prepared for: Caltrans and CalRecycle FHWA No.: CA142385B Work submitted: 03/05/2014 Date June 2013

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Implementation of New Quieter Pavement Research ...

In Caltrans Standard Specifications, open-graded friction courses (OGFC) include open-graded hot-mix asphalt (HMA-O), open-graded rubberized hot-mix asphalt (RHMA-O), and high-binder rubberized open-graded hot-mix asphalt (RHMA-O-HB). A previous UCPRC noise research project on asphalt pavements identified several new OGFC mix types from studies ...

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