Our technicians provide asphalt testing services for Marshall and Superpave mix as well as material testing. Some of these materials include binder testing and binder modification testing, bitumen testing, fibers testing, rejuvenators testing, chemical ad

Jun 15, 2012 · Warm mix asphalt (WMA) continues to gain momentum in the industry. As a result, tests are continuously being completed throughout the country to monitor the results of WMA compared to hot mix asphalt.

When a Warm Mix Asphalt (WMA) technology is utilized for the production of asphalt mixtures, the Producer shall comply with the technology’s current “Production, Testing, and Compaction Details” from the Department’s Approved List. The Producer must becom

Warm Mix Asphalt Voids in the mix versus temperature via vibratory compactor (PG 64-22 mixes) 0.0 2.0 4.0 6.0 8.0 300F 265F 230F 190F Compaction Temperature VT M GRANITE LIMESTONE 0.0 2.0 4.0 6.0 8.0 300F 265F 230F 190F Compaction Temperature VTM HMA EVOT

with Item 301, “Asphalt Antistripping Agents.” Do not add lime directly into the mixing drum of any plant where lime is removed through the exhaust stream unless the plant has a baghouse or dust collection system that reintroduces the lime into the drum.

What is warm mix asphalt? Hot mix asphalt (HMA) is the traditional process for constructing asphalt pavements. HMA is manufactured in a central mixing facility (typically called a hot mix plant) and consists of high quality aggregate and asphalt cement. T

Warm mix asphalt (WMA) is an emerging technology that can allow asphalt to be produced and compacted at a significantly lower temperature. In the past, a number of

Warm mix asphalt (WMA) is a new technology which asphalt mix is produced and placed at normal temperature. It has advantages including low cost, environmentally friendly, haul-convenience, and so on. WMA has been widely tested and applied in the USA in th

Warm Mix Scan Tour – Warm Mix allowed the use of more RAP – Benefits of Warm Mix with high RAP Viscosity reduction aided in compaction Decreased temperatures decreases aging of binder in return helps to compensate for aged RAP binder Better density result

AASHTO is pleased to announce the Warm Mix Asphalt Technologies technical committee. The technical committee convenes yearly at the NTPEP Annual Meeting as well as throughout the year by web conference. During these working meetings, the Work Plan is disc

Jul 20, 2018 · In many paving projects, warm-mix asphalt (WMA) has replaced hot-mix asphalt (HMA) as a means of reducing the environmental impacts, which include air pollution, fossil fuel depletion, and smog formation, during production of asphalt mixtu

concrete influences performance of the mix and whether warm mixes will provide equal or better performance to an equivalent hot-mix asphalt . The AkzoNobel study, like the Caltrans study, compared the performance of a control mix, produced and constructed

What is better cold mix or hot mix asphalt?

Warm Mix Asphalt Technologies and Research. European countries are using technologies that appear to allow a reduction in the temperatures at which asphalt mixes are produced and placed. These technologies have been labeled Warm Mix Asphalt (WMA).

The National Cooperative Highway Research Program (NCHRP) has just recently awarded Project 9-43, Mix Design Practices for Warm-Mix Asphalt Technologies. The objective of this $500,000, 36-month research project is to develop a performance-based mix desig

Warm Mix Asphalt, as outlined in OPSS 310 - Appendix C, is required when the minimum ambient temperature conditions for paving set out in Section 12.2 of this specification, are not satisfied. All extra costs for the supply and placement of the Warm Mix A

Nov 04, 2011 · You must also specify how the warm mix additive is added to the hot mix in production and provide the Caltrans laboratory with samples in order for them to recreate the process in the lab and run their own tests. One of the tests that will

Evaluation of Warm Mix Asphalt Technologies . NTPEP Designation: WMA-16 . INTRODUCTION The National Transportation Product Evaluation Program (NTPEP) was established to minimize the amount of duplicative testing of performed transportation materialsby AAS

4. Performance of warm mix asphalt. Since pavement construction with warm asphalt mixes did not begin until the middle of the 1990’s (The use of Warm Mix Asphalt., 2010), little is known about the long-term mechanical performance of these mixtures (Kristj

More Warm Mix Asphalt Testing videos

Warm Mix Asphalt Warm Mix Asphalt (WMA) is the generic term for a variety of technologies that allow producers of Hot Mix Asphalt (HMA) pavement material to lower temperatures at which the material is mixed and placed on the road. It is a proven a technol

“Terex Warm Mix Asphalt System” A.Scope A Warm-Mix Asphalt (WMA) Technology will be tested and approved prior to use one an Illinois Tollway project. The following guidelines provide the submittal and testing requirements for Illinois Tollway WMA Technolo

to the asphalt mix plant. An existing tank, such as one used for anti-strip, can store bulk Evotherm. We can also provide iso - tainers or vendor managed inventory. Just getting started? Evotherm is available in intermediate bulk storage units. Add a port

A warm-mix asphalt (WMA) field demonstration was conducted in Walla Walla, Washington in April 2010 to compare conventional hot-mix asphalt (HMA) with WMA produced using the AquaBlackTM asphalt foaming system developed by Maxam Equipment, Inc. The Nationa

Use of Warm Mix Asphalt (WMA) technologies is known as an effective method to reducing the energy consumption and emissions associated with conventional Hot Mix Asphalt (HMA) production.

Asphalt Testing Solutions also offers FDOT approved, customized mix designs including HMA (hot mix asphalt), CIR (cold in-place recycling material), FDR (full depth reclamation) and WMA (warm mix asphalt). The Asphalt Testing Solutions Mix Designers apply

Asphalt Cement (PGAC) Price Index in Municipal Contracts . 310-C Supplemental Requirements for Using Warm Mix Asphalt in Municipal Contracts . 310.01 SCOPE . This specification covers the requirements for the placement and compaction of hot mix asphalt de

Warm-Mix Usage Reaches New Heights. The latest NAPA/FHWA survey of asphalt producers' use of recycled materials and warm-mix asphalt find that nearly a quarter of all asphalt produced during the 2012 construction season was produced using warm-mix asphalt

QC/QA Testing Differences Between Hot Mix Asphalt (HMA) and Warm Mix Asphalt (WMA) Introduction The following report summarizes the work accomplished to date on a three-year (a 1-year extension to include laboratory compacted foam WMA was approved for FY

Warm Mix Asphalt, as outlined in OPSS 310 - Appendix C, is required when the minimum ambient temperature conditions for paving set out in Section 12.2 of this specification, are not satisfied. All extra costs for the supply and placement of the Warm Mix A

Material Test Framework for Warm Mix Asphalt Trials A number of new processes have been developed to allow asphalt mixtures to be mixed and compacted at lower temperatures. These processes tend to reduce the viscosity of the mixture at mixing and compacti

performance to an equivalent hot-mix asphalt . The AkzoNobel study, like the Caltrans study, compared the performance of a control mix, produced and constructed at conventional hot-mix asphalt temperatures, with a warm-mix produced with Rediset. This warm

Test results so far indicate that warm mix will perform well. At the NCAT test track in Opelika, Alabama, two 200-foot-long sections of track were built with a warm mix containing Evotherm®, an emulsion-based technology.

Additional Warm-Mix Projects: NCHRP 09-52, NCHRP 09-53. TTI-led research into warm-mix asphalt continues in two just-launched NCHRP projects: 09-52 (Short-Term Laboratory Conditioning of Asphalt Mixtures) and 09-53 (Properties of Foamed Asphalt for Warm M

The performance of pavements constructed using warm mix asphalt (WMA) technology were compared to the performance of conventional hot mix asphalt (HMA) pavements placed on the same project. Measurements of friction resistance, rutting/wear, ride and pavem