Assessing the Impact of Various Modes of Compaction on Tensile Property and Temperature Susceptibility of Asphalt Concrete

Sarsam, Saad Issa; Al-Obaidi, Mahmood Khalid

doi:10.12983/ijsrk-2014-p0297-0305

Cited by 4 publications

(5 citation statements)

References 2 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…From Figure 7, it can be observed that tensile strength of aged asphalt mixture(control mixture) at (25 °C)increases with increasing percentage of asphalt content, such results concur with Sarsam and Al-Delfi )2015) [10]. The Tensile strength of asphalt concrete at (25°C) increases with increasing percentage of Polyethylene at optimum Asphalt content (5.3%) and the highest value was obtained at 1.5 % of polyethylene which ITS value increased by 8.883 % compared to control mixture.…”

Section: Resultssupporting

confidence: 76%

“…ITS rises when the content of the asphalt was bigger at (20 and 0 ˚C), while at 40 ˚C, ITS drops when the best content of asphalt was bigger or reduced. Coal fly ash displays more tensile stress resistance to than limestone dust when used as a filler of the mineral at diverse conditions of testing, [10]. Karim (2018) used SBS polymer which has been added to the asphalt mixture consisting of domestic asphalt pavement.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Impact of Rejuvenators Type on Physical Properties of Aged Asphalt Cement

Hamdan

Sarsam

2019

Civ Eng J

Self Cite

View full text Add to dashboard Cite

Recycling can be considered as one of the measures of sustainable methods. The physical traits of the asphalt mixture under the influence of accelerated aging (Long and Short–Term) for asphalt concrete were assessed. Asphalt cement (40-50), aggregate with 12.5 mm nominal extreme size and limestone dust as filler of the mineral was used for the preparation of asphalt concrete mixture. At the optimum content of the asphalt and asphalt of 0.5 percent below and above the optimum value, specimens were prepared by using Marshall Method. Two types of polymers as recycling agents were used (Polyethylene of Low Density and Crumb Rubber) with (0.5, 1 and 1.5) % by weight of the binder. The indirect tensile test was used for the mixtures at 25 ºC and double punch test at 60 ºC. It was determined that the use of (asphalt binder mixed with rubber) as the agent of recycling showed improved performance than the other kind of recycling agent. The indirect tensile strength at 40 ˚C of the recycled mixture was higher than that the control mixture. Punching shear strength was decreased by 84 %, temperature susceptibility was decreased by 69.6 % and the resistance to moisture damage increases by3.3 % at optimum asphalt content.

show abstract

Section: Resultssupporting

confidence: 76%

Section: Introductionmentioning

confidence: 99%

Impact of Rejuvenators Type on Physical Properties of Aged Asphalt Cement

Hamdan

Sarsam

2019

Civ Eng J

Self Cite

View full text Add to dashboard Cite

show abstract

“…At a similar value of compaction index Marshall samples were more resistant than cores, in a similar range from 54 kPa to 91 kPa on average in dry set and from 33 kPa to 87 kPa after freezing cycle. The difference may be caused by change in aggregate interlock pattern in the particular method [49]. Thus, the strength of the samples is directly related to the compaction process, which significantly affects all properties of the asphalt mix.…”

Section: Water and Frost Resistancementioning

confidence: 99%

Laboratory Methods for Assessing the Influence of Improper Asphalt Mix Compaction on Its Performance

2020

View full text Add to dashboard Cite

Compaction index is one of the most important technological parameters during asphalt pavement construction which may be negatively affected by wrong asphalt paving machine set, weather conditions, or the mix temperature. Presented laboratory study analyzes the asphalt mix properties in case of inappropriate compaction. The reference mix was designed for AC 11 S wearing layer (asphalt concrete for wearing layer with maximum grading of 11 mm). Asphalt mix samples used in the tests were prepared using Marshall device with the compaction energy of 2 × 20, 2 × 35, 2 × 50, and 2 × 75 blows as well as in a roller compactor where the slabs were compacted to various heights: 69.3 mm (+10% of nominal height), 66.2 mm (+5%), 63 mm (nominal), and 59.9 mm (−5%) which resulted in different compaction indexes. Afterwards the samples were cored from the slabs. Both Marshall samples and cores were tested for air void content, stiffness modulus in three temperatures, indirect tensile strength, and resistance to water and frost indicated by ITSR value. It was found that either insufficient or excessive level of compaction can cause negative effect on the road surface performance.

show abstract

“…Specimens were subjected for strength properties determination such as Marshall stiffness which was calculated by dividing the Marshall stability in (kN) by Marshall flow in (mm), indirect tensile strength ITS (kPa), and double punching shear strength (kPa). Details of obtaining the optimum binder content could be referred to Sarsam and Al-Obaidi [15] . Specimens were tested in triplicate and the average value of each strength test was considered for analysis.…”

Section: Preparation and Compaction Of Asphalt Concrete Specimens By Marshall Hammer Methodsmentioning

confidence: 99%

Impact of Compaction Mode on Strength Properties of Sustainable Asphalt Concrete

Sarsam¹

2021

j. of archit. environ. & struct. eng. res.

Self Cite

View full text Add to dashboard Cite

Various modes of compacting the asphalt concrete mixture can createmechanically different behaviour of the prepared specimens and can alterits sustainability. An attempt has been made in the present assessment toprepare asphalt concrete specimens by implementation of three modesof compaction, the gyratory, the roller, and the Marshall hammer. Thespecimens were prepared at the target bulk density of Marshall methodat optimum asphalt content. Extra specimens were prepared at 0.5 %asphalt below and above the optimum. Core specimens have been obtainedfrom the roller compacted slab samples. The specimens were tested forthe Marshall stiffness, tensile, and shear strength. It was observed that atoptimum asphalt content, the indirect tensile strength declines by (18.8and 70.5) % for gyratory and roller compacted specimens respectively ascompared with hammer compacted specimens. At optimum asphalt content,the shear strength declines by (70.5 and 82.2) % while Marshall stiffnessdeclines by (10.2 and 44.8) % for hammer and roller compacted specimensas compared with that of gyratory compacted specimen. Specimensprepared by gyratory compaction are less susceptible to the change inthe testing temperature as compared with other modes of compaction. Itis recommended to consider the mode of compaction to suit the requireddesign property of sustainable asphalt concrete mixture.

show abstract

Assessing the Impact of Various Modes of Compaction on Tensile Property and Temperature Susceptibility of Asphalt Concrete

Cited by 4 publications

References 2 publications

Impact of Rejuvenators Type on Physical Properties of Aged Asphalt Cement

Impact of Rejuvenators Type on Physical Properties of Aged Asphalt Cement

Laboratory Methods for Assessing the Influence of Improper Asphalt Mix Compaction on Its Performance

Impact of Compaction Mode on Strength Properties of Sustainable Asphalt Concrete

Contact Info

Product

Resources

About