منزل •stone matrix asphalt mix design

stone matrix asphalt mix design

  • Georgia Department of Transportation Office of Materials ...

    Conditioning of Hot Mix Asphalt (HMA) will be used. Stone Matrix Asphalt (SMA) mixtures shall be designed in accordance with GDT-123 "Determining the Design Proportions of Stone Matrix Asphalt Mixtures". This document outlines the certification process for both the design laboratory and the SMA Mix Design and/or Superpave Mix Design Technician.

  • TxDOT Specifications - dot.state.tx.us

    346 - STONE MATRIX ASPHALT. SPECIFICATION REQUIREMENTS 1) Specify either a Performance Grade (PG) 76 binder or an Asphalt-Rubber (A-R) binder on the set of plans. 2) If different aggregate quality requirements (listed in Table 1) are desired, specify on the set of plans.

  • PENNDOT ASPHALT TECHNICIAN CERTIFICATION PROGRAM

    Stone Matrix Asphalt Mixture Design, RPS Construction of Plant-Mixed HMA Wearing Courses 420 Pervious Asphalt Pavement System 460 Asphalt Tack Coat 483 Polymer-Modified Emulsified Asphalt Paving System (Microsurfacing) 489 ... Section 309: Superpave Asphalt Mix Design…

  • Stone Matrix Asphalt – Pavement Interactive

    STONE MATRIX ASPHALT MIX DESIGN 1. Scope 1.1. This procedure covers the design of stone matrix asphalt (SMA) using either the gyratory compactor or the Marshall hammer. The design is based on the volumetric properties of the SMA including air voids, voids in the mineral aggregate, stone on stone contact, and mortar properties. 2. Referenced ...

  • Materials & Testing | UDOT

    960 Volumetric Mix Design and Verification; 961 Guidelines for Superpave Gyratory Compactor Protocol; 962 Guidelines for Stone Matrix Asphalt (SMA) Mix Design and Verification; 965 Guidelines for Cold In-Place Asphalt Recycling using Solventless Emulsion and Lime; 974 Guidelines or PCC Mix Design; 975 Guidelines for Well-Graded Combined ...

  • The aggregates for hot mix asphalt (HMA) and stone matrix asphalt (SMA) shall meet the requirements of Table 703-6 when tested in accordance with CP-L 4211 Resistance of Coarse Aggregate to Degradation by Abrasion in the Micro-Deval Apparatus.

  • Stone Mastic Asphalt - Civil Engineering Portal - Biggest ...

    They does have stone to stone contact, but it often means the larger grains essentially float in a matrix composed of smaller particles, filler and asphalt content .The stability of the mix is primarily controlled by the cohesion and internal friction of the matrix which supports the coarse aggregates .It can be followed from diagram of the ...

  • Comparison of Stone Matrix Asphalt Mixtures Prepared in ...

    Stone Matrix Asphalt (SMA) is a gap graded bituminous mixture with high concentration of coarse aggregates and high mastic content. In Marshall mix design, only 50 blows are given to compact SMA samples, compared to 75 blows in the case of conventional dense graded mixtures.

  • Hot Mix Asphalts 101 - State

    • Mix design methods: – AASHTO R46-08, Designing Stone Matrix Asphalt (SMA) – Some states have variations of AASHTO R46 • Binder content: typically 5 to 7% – Polymer-modified binder and fibers used to minimize draindown • Compacted air void content: typically 6 to 8%

  • STONE MATRIX ASPHALT

    STONE MATRIX ASPHALT SMA 1 1 1st International Conference on Stone Matrix Asphalt (SMA) Atlanta, Georgia November 6th. 2018 Abdul Z. Dahhan, P.E. ... Critical to an SMA mix design: Voids in the Coarse Aggregates (VCA) is the volume between the coarse aggregate particles.

  • DEVELOPMENT OF A MIX DESIGN PROCEDURE FOR STONE MATRIX ...

    DEVELOPMENT OF A MIX DESIGN PROCEDURE FOR STONE MATRIX ASPHALT (SMA) MIXTURES (WITH DISCUSSION) Stone Matrix Asphalt (SMA) has been used successfully in Europe for over 20 years to provide better rutting resistance and to resist studded tire wear. Since 1991, the use of SMA has increased steadily in the United States.

  • 4.75 MM NMAS STONE MATRIX ASPHALT (SMA) MIXTURES

    4.75 MM NMAS STONE MATRIX ASPHALT (SMA) MIXTURES Hongbin Xie, L. Allen Cooley Jr., and Michael H. Huner BACKGROUND Stone Matrix Asphalt (SMA) has been used successfully in the United States for over 10 years since its first introduction in 1991. To date, SMA has been proven to be a rut-resistant mix. The

  • DEPARTMENT OF TRANSPORTATION STATE OF GEORGIA …

    5. Ensure all SMA mix designs are designed in accordance with GDT-123 ("Determining the Design Proportions of Stone Matrix Asphalt Mixtures"). Ensure SMA mix designs are verified and approved by the Department prior to use. Ensure Superpave and 4.75 mm mix designs are designed in accordance with SOP-2 ("Control of Superpave

  • 2020 Asphalt Specification Update

    •Stone Matrix Asphalt (9.5 and 12.5mm) •Requires Good Coarse Aggregate and High Dust Content as a filler and PG 76-22. •Select projects will likely be identified by the State Pavement Design Engineer each year. •Projects may or may not have OGFC applied. •Good opportunity for …

  • Stone Matrix Asphalt - Texas Asphalt Pavement Association ...

    Applications. Stone Matrix Asphalt or SMA mixtures are typically used as a surface mix or intermediate layer in the pavement structure on high volume (or high demand) roadways. The standard SMA mixture contains PG 76-22 and fibers, and is recommended for the vast majority of applications where SMA is used or desired and when placed as an ...

  • IRJET- Utilization of Coir Fibres in Stone Matrix Asphalt ...

    To develop a suitable mix design for the Stone Matrix Water Water IS:2386 <2% Asphalt (SMA) as per IRC SP 79-2008 specifications. Absorption Absorption (P-3) 2. To conduct different tests such as Marshall Stability, Moisture susceptibility, Rut depth for the designed Bitumen is an imperative agent obtained from fossil.

  • Demonstration of the Placement of Stone Matrix Asphalt in ...

    The Stone Matrix Asphalt (SMA) experimentaL feature on SH-119, from SH-52 East to Longmont, is the Colorado Department of Transportation's (CDOTls) first attempt under contract to construct test sections for evaluation. The project successfuLly demonstrated the design, production, and pLacement of …

  • Evaluation of Field-Produced Warm Mix Stone Matrix …

    The base asphalt mixture was a stone matrix asphalt (SMA) surface course mix that included GTR-modified asphalt binder, fractionated RAP, and diabase coarse aggregate. The WMA additive was Evotherm, provided by Mead Westvaco, which is a chemical that promotes

  • HOT MIX ASPHALT PAVEMENT DESIGN GUIDE

    HOT MIX ASPHALT PAVEMENT DESIGN GUIDE The Maryland Asphalt Association,Inc. Requirements for Successful Asphalt Pavement Construction 1 GOOD PLANNING 2 GOOD DESIGN 3 GOOD CONSTRUCTION A) Materials ... SMA (Stone Matrix Asphalt) This is a high stability mix designed for specific conditions

  • Njapa Design Guide - The New Jersey Asphalt Pavement ...

    3 ASPHALT PAVEMENT HMA is a state of the art mix design system which replaced the old standard Marshall method of mix design. There are four important HMA parameters which the owner must specify in order to ensure the proper design.

  • REVIEW OF NEW SPECIFICATION OR SPECIFICATION CHANGE

    Regardless of mix design method, a minimum of 1 percent hydrated lime by weight of the combined aggregate shall be added to the aggregate for all Stone Matrix Asphalt. The SMA Mix design must be approved by the Engineer before any pavement is placed on the project.

  • EXPERIMENTAL INVESTIGATION OF STONE MASTIC …

    Abstract -Stone Matrix Asphalt (SMA) is a gap-graded mix which consists of a high concentration of coarse aggregate which is held together by a matrix of mineral filler and stabilizers in a thick asphalt film. In this study comparison of strength of pavement wearing coat with SMA mix with

  • STONE MATRIX ASPHALT SMA

    The stone matrix design, with stone on stone contact, also resulted in a high stability pavement which resists rutting of the mixture after initial compaction, as proven by the low Hamburg results of 2.5 (Surface SMA) an 2.5 (binder SMA) shown after 20 years. The stone matrix design remained durable due to high film thickness and high polymer

  • Asphalt Paving Design - cdn.ymaws.com

    on asphalt pavement surfaces. Open-graded and Stone Matrix Asphalt (SMA) mixes have been shown to absorb engine and transmission noise. 0 2 4 6 8 10 12 14 16 60 70 80 90 100 Decibels Noise Intensity The Decibel Scale Increasing the decibel level by 10 doubles the noise intensity! Conversation Tr …

  • 901 AGGREGATES - SHA MediaWiki

    gap graded stone matrix asphalt mix - 9.5mm 100 100 75–90 30–50 20–30 — — — — 8–13 gap graded stone matrix asphalt mix -12.5mm 100 90–99 70–85 28–40 18–30 — — — — 8–11 gap graded stone matrix asphalt mix -19.0mm 100 82–88 60 max 22–30 14–20 — — — — 9–11 open graded friction course – 9.5mm (a ...

  • DESIGN, CONSTRUCTION AND PERFORMANCE OF STONE …

    Stone Matrix Asphalt (SMA) is a gap graded bituminous mixture that maximizes coarse aggregate's content in the mix which provides better stone-on-stone contact. Additives are generally used in SMA ...

  • Designing Stone Matrix Asphalt Mixtures

    The final report of the NCHRP 9-8 project on mix design of Stone Matrix Asphalt (SMA) mixtures consists of three volumes. Volume I contains a summary of literature, Volume II contains the research results, and Volume III provides the SMA mixture design procedure along with Qua lity

  • (PDF) Stone Matrix Asphalt (SMA) Mix Design Using ...

    Stone Matrix Asphalt (SMA) Mix Design Using Different Filler. International Journal of Scientific Research in Science, Engineering and Technology IJSRSET. akash ka.patel. Download PDF. Download Full PDF Package. This paper. A short summary of this paper. 37 Full PDFs related to this paper.

  • SPECIAL SPECIFICATION 3271 Stone-Matrix Asphalt

    Stone-Matrix Asphalt 1. Description. Construct a hot-mix asphalt (HMA) pavement layer composed of a compacted stone-matrix asphalt (SMA) or stone-matrix asphalt rubber (SMAR) mixture of aggregate, asphalt binder, and additives mixed hot in a mixing plant. Pay adjustments will apply to