An Evaluation of Moisture Damage Resistance of Asphalt Concrete based on Dynamic Creep Characteristics

Jitsangiam, Peerapong; Nusit, Korakod; Nikraz, Hamid

doi:10.1007/s12205-019-1369-3

Cited by 7 publications

(6 citation statements)

References 12 publications

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“…For the P-WMA mixture, TSR was above 100%, which indicated that the mixture was insensitive to moisture. Similar results were reported by Peerapong Jitsangiam, Korakod Nusit, and Hamid Nikraz [65].…”

Section: Moisture Damage Resistance Testsupporting

confidence: 90%

Performance Investigation of Hot- And Warm- Asphalt Mixtures Modified With Superplast

Moussa

Sallam²,

Younis

2021

JES. Journal of Engineering Sciences

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Moisture and stripping damages are the most prevalent cause of defects of both Hot-Mix Asphalt (HMA) and Warm-Mix Asphalt (WMA). Adhesion between aggregates and bitumen is a crucial factor that affects such defects. Various methods, such as incorporating additives, have strengthened the asphalt mixture's resistance to moisture and stripping. This paper aimed to experimentally investigate the effect of including a low-cost polymer additive (Superplast) into HMA and WMA mixtures. For this goal, a 60/70 penetration grade bitumen was used. For preparing the WMA mixtures, Showax was employed with percentages of 2, 3, 4, 5, and 6% by weight of bitumen. Polymer modified mixtures (HMA and WMA) were prepared by adding 3%, 4, and 5% 680 Ghada S. Moussa et al., Performance Investigation of Hot-And Warm-Asphalt Mixtures ……….of Superplast by weight of the binder. Performance characterizations of the unmodified and Superplast-modified mixtures include stiffness, moisture damage resistance, and bonding. These characteristics were evaluated via Marshall, Lottman, and Double Punching tests, respectively. Results revealed that incorporating Superplast improved the adhesion between bitumen and aggregates, which ultimately led to an increase in the stiffness and moisture resistance of both HMA and WMA. Moreover, Superplast-modified WMA mixtures exhibited the best moisture and stripping resistance performance compared to Superplast-modified HMA and other unmodified mixtures.

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Section: Moisture Damage Resistance Testsupporting

confidence: 90%

Performance Investigation of Hot- And Warm- Asphalt Mixtures Modified With Superplast

Moussa

Sallam²,

Younis

2021

JES. Journal of Engineering Sciences

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“…HMA with a lower asphalt binder content than required may have lower fatigue resistance and promote stripping problems [12,13]. Whereas excess asphalt binder is an indication of high flow characteristics, it can lead to bleeding, lowered skid resistance and stability, and increased susceptibility to permanent deformation (rutting and shoving) [13][14][15]. e density of the degree of compaction is an important component of asphalt pavement quality and its performance.…”

Section: Introductionmentioning

confidence: 99%

“…With an increase in density and a decrease in air voids, a pavement can maintain the shape and smoothness under repeated loading [17]. However, asphalt without sufficient air entrapped in the layer will deform under traffic and result in a rutted surface [14,17]. Meanwhile, flexible pavement constructed that contains high air voids is expected to reduce the strength.…”

Section: Introductionmentioning

confidence: 99%

“…Meanwhile, flexible pavement constructed that contains high air voids is expected to reduce the strength. e densification can be considered as a predominant cause of rutting during initial periods of traffic, which could also lead to a greater opportunity for moisture damage [14]. e stiffness of a material is a measure of its resistance to shear loads, persistent deformation, and rutting [18].…”

Section: Introductionmentioning

confidence: 99%

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Prediction Model of the Coring Asphalt Pavement Performance through Response Surface Methodology

Shaffie

Jaya

Ahmad

et al. 2022

Advances in Materials Science and Engineering

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Pavement evaluations provide crucial information regarding the performance and service life of asphalt concrete (HMA). They examine the structure of an existing pavement before deciding on different maintenance alternatives. The Klang Valley, as part of one of the developing areas in the state of Selangor, generates a high volume of traffic every day due to the increasing number of vehicles crossing the area. Every day, the impact of axle loads caused by vehicles has a negative impact on flexible pavement, resulting in road deterioration due to extreme distress. Pothole failures are one of the most common causes of distress. Five research areas in the Klang Valley area that have deteriorated owing to pothole failures were chosen as case studies. The objective of the study is to investigate the existing flexible pavement conditions by means of laboratory testing consisting of physical, volumetric, and performance tests using collected core samples. As a result, the data collected was compared to the Malaysian Public Work Department’s (PWD) standard. Data from laboratory tests was analyzed using Response Surface Methodology (RSM) to determine correlations with parameters influencing distress. Historical data design was carried out between test components and responses, which consisted of laboratory parameters. Axial strain, tensile strength ratio, and stability were the responses measured in the RSM. The created models between the independent variables and responses revealed a high level of correlation. The binder content, degree of compaction, and stiffness were the most significant operating parameters from the 3D plots. Optimized performance due to asphaltic pavement failure was observed at binder content (5.1%), degree of compaction (97%), and stiffness (3.1 kN/mm) to achieve ultimate axial strain (5000 microstrains), tensile strength ratio (80%), and stability (9.2 kN). The study showed that the response surface methodology (RSM) is an effective statistical method for providing an appropriate empirical model for relating parameters and predicting the best performance of an asphaltic mixture to reduce flexible pavement failure.

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“…The Moisture sensitivity of asphalt compounds is one of the most common damages that occurs in asphalt pavements [1][2][3][4][5][6][7][8]. The reduction in the pavement integrity due to moisture damage plays an important role in other types of distresses, such as rutting, fatigue cracking, and raveling [9].…”

Section: Introductionmentioning

confidence: 99%

Influence of Mixing Conditions of Modified Bitumen on Moisture Sensitivity of Asphalt Compounds

2022

IJE

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Modification of bitumen allows an improving the properties of bitumen, which can be a useful technique to enhance asphalt's characteristics. Therefore, this research intended to study the effect of mixing time of different percentages of epoxy resin, between 0 to 8%, doped into bitumens on the moisture sensitivity of asphalt compounds containing two types of aggregates, i.e. limestone and siliceous. For this aim, the Sessile Drop Method (SDM) was employed, and moisture resistant parameters associated to surface free energy concept such as surface free energy components, work of cohesion, work of adhesion, work of debonding, adhesion bitumen to aggregate, and wetting bitumen around aggregate surface were assessed. The results revealed that the effect of the mixing time of bitumen and epoxy resin on moisture resistance properties of asphalt compounds significantly depends on the percentage of epoxy resin used in bitumen mixture. For bitumens with 4 and 6% epoxy resin, adhesion and wetting parameters had a similar performance for both mixing times of 10 and 60 minutes. However, asphalt compounds containing 2 and 8% epoxy resin modified bitumens prepared for 10 min mixing time had a better adhesion and wetting performance than those prepared for the longer mixing time, 60 minutes. The effect of mixing time of bitumen modified with epoxy resin on the bitumen and asphalt compound' performance depend on the percent of additive in the bitumen.

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An Evaluation of Moisture Damage Resistance of Asphalt Concrete based on Dynamic Creep Characteristics

Cited by 7 publications

References 12 publications

Performance Investigation of Hot- And Warm- Asphalt Mixtures Modified With Superplast

Performance Investigation of Hot- And Warm- Asphalt Mixtures Modified With Superplast

Prediction Model of the Coring Asphalt Pavement Performance through Response Surface Methodology

Influence of Mixing Conditions of Modified Bitumen on Moisture Sensitivity of Asphalt Compounds

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