effect of aggregate gradation on moisture susceptibility and

8. Agg Gradation and Mix Design Shihui - webpages.uidaho.edu

A New Concept of Aggregate Gradation and Mix Design for Asphalt Mixture Shihui Shen Huanan Yu Washington State University 1 Idaho Asphalt Conference October 25, 2012 Contents Introduction Concept of New Design Method ¾Material selection ¾Volumetric design (Gradation and binder content design) ¾Evaluation of moisture susceptibility Design ...

Effect of Aggregate Gradation, Type of Mineral Fillers ...

The effect of bitumen source and grade on moisture susceptibility was inspected. The foam-stabilized mixes provided reasonable moisture resistance as the index of retained strength exceeded 80% to 90% after 5 days of soaking. The effect of aggregate gradation and mineral fillers on the indirect tensile strength and the fracture energy was evident.

Moisture Susceptibility - Pavement Interactive

Moisture susceptibility is a primary cause of distress in HMA pavements. HMA should not degrade substantially from moisture penetration into the mix. ... HMA mix design adjusts asphalt binder content and aggregate gradation to produce design air voids of about 4 percent. ... ASTM D 4867: Effect of Moisture on Asphalt Concrete Paving Mixtures ...

THE EFFECTS OF FUNDAMENTAL MIXTURE PARAMETERS …

rutting, tensile cracking and moisture susceptibility. It is found that aggregate gradation is significant to rutting and IDT performance. In rutting, the gradation effect is aggregate specific. The effect of gradation on ITS can be reflected by the design binder content, which is closely related to the VMA value of the aggregate gradation.

HMA Pavement Performance and Durability - Purdue e-Pubs

The mixtures differed in both aggregate size and gradation. In order to evaluate durability effects, performance tests were performed on unconditioned, moisture conditioned and oven- aged samples.

EFFECT OF AGGREGATE GRADATION ON ... - Auburn …

consisted of mix design, aggregate breakdown, and moisture susceptibility testing. The results ... The aggregate obtained was used in the gradation for the 4.75 mm material through the 12.5 mm material. Buchanan 3 ... the effect of coarse aggregate F&E particles on …

effect of aggregate gradation on moisture susceptibility ...

effect of aggregate gradation on moisture susceptibility and Gradation and Size - Pavement Interactive The particle size distribution, or gradation, of an aggregate is one of the most influential aggregate characteristics in determining how it will perform as a pavement material.

Effects of Gradation, Moisture and Density on Strength ...

Effects of Gradation, Moisture and Density on Strength, ... the study is to identify the effect of gradation, density and moisture on the strength, stiffness and ... The authors in [2,3,4,5,6,7,8] noted that crushed aggregates having angular to sub-angular shaped particles

Moisture Susceptibility on Asphalt Mix and the Effect of ...

Moisture Susceptibility on Asphalt Mix and the Effect of Anti-Stripping Additives. The damage due to moisture can be result in asphalt pavements either due to stripping or the softening of asphalt, both of which result in loss of ability to resist traffic- induced stresses which is mainly occur due to the loss or destruction of bond between the ...

Investigation on the effects of gradation and aggregate ...

Investigation on the effects of gradation and aggregate type to moisture damage of warm mix asphalt modified with Sasobit. Moisture damage is one of the major concerns for warm-mix asphalt (WMA) because it is hypothesised that the reduction in mixing temperature could adversely affect the moisture sensitivity of WMA.

Moisture Susceptibility Behavior of Asphalt Concrete and ...

Moisture Susceptibility Behavior of Asphalt Concrete and Emulsified Asphalt Mixtures Using the ... test maximizes the effects of moisture at extreme temperatures and ... the type of aggregates and their gradation, the permeability of the briquets, the briquet thickness, asphalt ...

Effect of laboratory aging on moisture susceptibility and ...

Effect of laboratory aging on moisture susceptibility and resilient modulus of asphalt concrete mixes containing PE and PP polymers ... Several researches reported aging effects on binders characteristics following ASTM ... Aggregate selected for used in this investigation included crushed coarse aggregate and river sand. The gradation as ...

Effect of aggregate gradations on properties of porous ...

This paper presents the study on effect of aggregate gradation on the mix design and performance properties of porous friction course (PFC) mixes. Six aggregate gradations were tested with due consideration to gradations specified for PFC or similar mixes by different agencies around the world. The ...

Effects of copper slag and recycled concrete aggregate on ...

Effects of copper slag and recycled concrete aggregate on the properties ... gin aggregates in modifying the gradation of cold recycled mixes made with RAP material. ... of recycled mixtures were investigated. Marshall, Indirect tensile strength, resilient modulus, moisture susceptibility, and dynamic creep tests were conducted to evaluate the ...

Test Method to Determine Aggregate/Asphalt Adhesion ...

effects on mix moisture sensitivity and the relative response of the results of each test method to these changes. The research team worked closely with WisDOT to identify aggregate gradation and the use of anti-stripping additive as the two mix components to vary. To study the effects of

Optimisation of hot mix asphalt performance based on ...

Results show that basalt aggregate achieves higher moisture susceptibility resistance and stiffness than limestone aggregate. Coarser gradation has the highest permanent deformation, ... 2.3 Effect of aggregate gradation ... Optimisation of hot mix asphalt performance based on aggregate selection

Properties Considered in Mix Design Superpave Mix Design ...

Moisture Susceptibility Example Calculations Stone Matrix Asphalt . 4-1 CHAPTER FOUR ... varying the aggregate gradation in the HMA. 4-3 ... The main effect of the VFA is to limit maximum levels of VMA and subsequently maximum levels of binder content.

The Effect of Voids in Mineral Aggregate (VMA) on Hot Mix ...

The Effect of Voids in Mineral Aggregate (VMA) on Hot-Mix Asphalt Pavements 7. Author(s) 8. Performing Organization Report No. Bruce A. Chadbourn, Eugene L. Skok,, Jr., David E. Newcomb, Benita L. Crow and Samantha Spindle 9. Performing Organization Name and Address 10. Project/Task/Work Unit No. 11. Contract (C) or Grant (G) No. University of ...

Estimation of Moisture Damage and Permanent Deformation …

Estimation of Moisture Damage and Permanent Deformation in Asphalt Mixture from Aggregate Gradation ... Abstract The present study explains the effect of aggregate gradation on moisture damage in bituminous mixes. Three types of aggregate ... have been conduced to identify the effect of aggregate gradation on moisture susceptibility and ...

Effect of Aggregate Gradation on Moisture Susceptibility ...

Effect of Aggregate Gradation on Moisture Susceptibility and Creep in HMA Article (PDF Available) · December 2012 with 100 Reads Cite this publication

Effect of Basalt and Lime stone Aggregate combinations on ...

Effect of basalt and limestone aggregate combinations on Superpave aggregate properties 1 ... The samples were also tested for moisture susceptibility. Findings of the study showed that if Marshall Mix met the VMA and ... Effect of basalt and limestone aggregate combinations on Superpave aggregate …

Impact of Aggregate Gradation on Base Material Performance

mixtures. Each mixture was then put through a regime of tests to determine the effects that the gradation and fines content had on their properties. The tests used included moisture-density relationships, moisture susceptibility, triaxial tests, permanent deformation, and resilient modulus tests. The research approach, testing

EFFECT OF TEST METHOD ON MOISTURE DAMAGE …

Moisture susceptibility tests like retained stability and tensile strength ratio are ... and unconditioned specimens to observe the effect of moisture on creep behaviour. The reduction in stability and indirect tensile strength (ITS) and increase in creep are evaluated for finer, coarser and normal gradation of aggregates. It is found that the ...

Effects of Aggregate Angularity on Mix Design ...

Effects of Aggregate Angularity on Mix Design Characteristics and Pavement Performance 5. Report Date ... investigating their characteristics on testing repeatability, cost, testing time, workability, and sensitivity of test results. For ... 2.2 Effect of Aggregate Angularity on HMA Performance 18

PROPERTIES FOR ASPHALT MIXTURE STRIPPING EFFECTS OF ...

EFFECTS OF AGGREGATE-ADDITIVE COMBINATIONS AND GRADATION ... ASTM upper limit of dense aggregate gradation presented the highest resistance to stripping. The results of the ... film thickness also has an influence on the moisture susceptibility characteristics of HMA because it affects the durability of the mixture. ...

Deviations in Standard Aggregate Gradation and its Affects ...

Deviations in Standard Aggregate Gradation and its Affects on the Properties of Portland Cement Concrete Marcus Balitsaris Clemson University, ... the effects of such failed aggregate gradations on concrete properties is poorly understood, in order to develop a justification for

Effect of aggregate gradations on properties of porous ...

This paper presents the study on effect of aggregate gradation on the mix design and performance properties of porous friction course (PFC) mixes. Six aggregate gradations were tested with due consideration to gradations specified for PFC or similar mixes by different agencies around the world.

EFFECT OF AGGREGATE GRADATION AND TYPE ON HOT …

EFFECT OF AGGREGATE GRADATION AND TYPE ON HOT ASPHALT CONCRETE MIX PROPERTIES Afaf A. H. M. ... quality factor influencing rut susceptibility. Stakston and Bahia [5] also have indica ted that ... study the effect of aggregate type and gradation on …

Effect of Filler Type and Particle Size on Moisture ...

Effect of Filler Type and Particle Size on Moisture Susceptibility of Stone Mastic Asphalt Mixtures Ratnasamy Muniandy, Eltaher Elzarroug Aburkaba ... Retained Marshall Stability (RMS), and Moisture Susceptibility. The coarse aggregate and Fine ... One aggregate gradation …

EFFECT OF GRADATION AND AGED BINDER CONTENT OF …

EFFECT OF GRADATION AND AGED BINDER CONTENT OF RECLAIMED ASPHALT PAVEMENT (RAP) ON PROPERTIES OF COLD-RECYCLED ... including Marshall stability and moisture susceptibility. ... These factors include RAP aggregate gradation, RAP binder content, type and amount of new binder and/or recycling agent, and water content. ...

Effect of zycotherm on moisture susceptibility of Warm Mix ...

Based on moisture susceptibility tests analysis, although gradation of aggregates affects the results of tests related to functional properties of both HMA and WMA, types of aggregates seems to have greater effect and it is highly recommended not to use siliceous aggregates without an anti-stripper because all HMA samples prepared with ...

The Effect of Aggregate Properties on Concrete | News

Other physical and mineralogical properties of aggregate must be known before mixing concrete to obtain a desirable mixture. These properties include shape and texture, size gradation, moisture content, specific gravity, reactivity, soundness and bulk unit weight.

An Overview of Moisture Damage in Asphalt Mixtures ...

Effect of Aggregate Gradation on Moisture Susceptibility and Creep in HMA, World Academy of Science and Technology. 6: 12–28. Little, D. N., Jones, D. R. 2003. Chemical and Mechanical Processes of Moisture Damage in Hot-Mix Asphalt Pavements, Moisture Sensitivity of Asphalt Pavements A National Seminar.