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Journal articles on the topic 'Asphalt optimum content'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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1

Marques, Vagner da Costa, Bismak Oliveira de Queiroz, Diego Meira de Lacerda, Antônio Marcos de Araújo Gouveia, and Ricardo Almeida de Melo. "Mechanical Performance of Asphalt Mixtures with Natural Aggregates and Recycled Aggregates for Surface Course." Key Engineering Materials 600 (March 2014): 657–66. http://dx.doi.org/10.4028/www.scientific.net/kem.600.657.

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The recycled aggregates of construction and demolition solid waste can be used on pavements to decrease environmental impacts in cities. Thus, this study aimed to compare the mechanical performance of asphaltic mixtures made with natural aggregates and concrete recycled aggregates for surface course of pavements. The materials were collected in an asphalt mixing plant and in a construction and demolition solid waste recycling plant located in João Pessoa/PB, Brazil. The Marshall asphalt mix design was chosen to determine optimum asphalt content and evaluate mechanical performance of asphaltic
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2

Chelelgo, Kiplagat, Zachary C. Abiero Gariy, and Stanley Muse Shitote. "Laboratory Mix Design of Cold Bitumen Emulsion Mixtures Incorporating Reclaimed Asphalt and Virgin Aggregates." Buildings 8, no. 12 (2018): 177. http://dx.doi.org/10.3390/buildings8120177.

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Bitumen emulsion asphalts, especially those incorporating marginal and secondary aggregates, are energy efficient, environment friendly, and sustainable alternatives to hot-mix asphalts. This study set out to compare engineering properties of a bitumen emulsion asphalt composed entirely of virgin aggregates with another composed of 55% reclaimed asphalt and 45% virgin aggregates. The aggregates were bound with a slow setting cationic bitumen emulsion composed of 65% base bitumen and 35% water. Marshall specimens molded at varying pre-mix water and bitumen emulsion contents were cured in molds
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Le, Van Bach, and Van Phuc Le. "Determining Optimum Carbon Nanotubes Content for Asphalt Mixture in Road Pavements." Materials Science Forum 1023 (March 2021): 121–26. http://dx.doi.org/10.4028/www.scientific.net/msf.1023.121.

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Although small amount of binder in asphalt concrete mixture may commonly range from 3.5 to 5.5% of total mixture as per many international specifications, it has a significant impact on the total cost of pavement construction. Therefore, this paper investigated the effects of five carbon nanotubes contents of 0.05%, 0.1%, 0.15%, 0.2%, 0.25% by asphalt weight as an additive material for binder on performance characteristics of asphalt mixtures. Performance properties of CNTs modified asphalt mixtures were investigated through the Marshall stability (MS) test, indirect tensile (IDT) test, static
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4

Razuardi, Razuardi, Sofyan M. Saleh, and Muhammad Isya. "PENGARUH PENAMBAHAN BUTON ROCK ASPHALT (BRA) SEBAGAI FILLER PADA CAMPURAN LASTON LAPIS AUS (AC-WC)." Jurnal Teknik Sipil 1, no. 3 (2018): 715–24. http://dx.doi.org/10.24815/jts.v1i3.10031.

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Abstract: The main cause of road damage is inseparable from stability and flexibility which is the determinant of the quality of pavement. One way to overcome that is to improve performance by modifying pavement mixture using additive, With low penetration value and high temperature in Indonesia, buton rock asphalt suitable for use as an additive. This research discusses the examination of mixtures whose performance has been optimized with buton rock asphalt modifications as filler. This study aims to determine the effect of minerals and bitumen contained in buton rock asphalt to marshall char
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Shafabakhsh, Gholamali, Hassan Divandari, and Seyed Reza Sajadi. "Evaluation of Optimum Content of Rice Husk Ash to Improve the Hot Asphalt Concrete Performance." International Journal of Engineering & Technology 7, no. 4.20 (2018): 338. http://dx.doi.org/10.14419/ijet.v7i4.20.26131.

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Durability of asphalt pavements is related to choosing proper materials. Fillers as the smallest particles of stone materials, and one of the most important parts of asphalt mixtures, exert pivotal effects on the performance of asphalt mixtures, by filling empty spaces and because of their softness, surface features and chemical compounds. Rice husk ash is one of the waste products of burning rice husk in powerhouses that is accounted as biomass. Recently, a good many of investigations have shown that rice husk ash, as a high quality pozzolan, can be properly replaced of common aggregates. In
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6

Stewart, J. A., and M. Van Aerde. "Material selection and mix design considerations for constructing asphaltic roads and runways in Canada's north." Canadian Journal of Civil Engineering 18, no. 3 (1991): 407–15. http://dx.doi.org/10.1139/l91-051.

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The design of practical asphaltic roads and runways in Canada's north is very difficult due to the harsh environmental conditions under which the material needs to be placed in the field, the severe temperature loads to which the pavement is exposed, and the difficulty and (or) cost of obtaining appropriate materials. This paper summarizes the current state-of-the-art in terms of the selection of materials and the design of mixes for the construction of asphaltic pavements in Arctic and sub-Arctic climates. It is shown that the temperature susceptibility of the asphalt cement, the curing rate
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Liu, Wen Fang, Hong Mei Li, and Bei Ping Tian. "Research on Designing Optimum Asphalt Content of Asphalt Mixture by Calculation and Experimental Method." Applied Mechanics and Materials 97-98 (September 2011): 23–27. http://dx.doi.org/10.4028/www.scientific.net/amm.97-98.23.

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In this paper, the initial asphalt content is estimated by the hot-mixed asphalt mixture rapid calculation method in condition that we have no information about the similar project, and five asphalt content are selected with regarding the estimated asphalt content as the middle value, then carries on the Marshall test. The optimuml asphalt content is very accurate by the calculation and experimental method, the method greatly improved the test efficiency.
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8

Wu, Jin Rong, Qin Yong Ma, and Xiao Hong Dong. "Test and Analysis on Asphalt Content for Fatigue Performance of Polyester Fiber Asphalt Concrete." Materials Science Forum 852 (April 2016): 1488–92. http://dx.doi.org/10.4028/www.scientific.net/msf.852.1488.

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The change law for fatigue properties of polyester fiber asphalt concrete was acquired under different asphalt content by three point bending tests. The results indicate that fatigue life of polyester fiber asphalt concrete increases firstly and then declines with asphalt content increasing, which shows an optimum asphalt content,4.8%. The optimal asphalt content of polyester fiber asphalt concrete is bigger than that of common asphalt concrete. The way to improve fatigue performance of asphalt pavement is found through studying on polyester fiber asphalt concrete. All will provide a theoretic
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9

Hurley, Graham C., and Brian D. Prowell. "Refinement of the Hot-Mix Asphalt Ignition Method for High-Loss Aggregates." Transportation Research Record: Journal of the Transportation Research Board 1907, no. 1 (2005): 128–34. http://dx.doi.org/10.1177/0361198105190700115.

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Four methodologies for determining the asphalt content of mixtures containing high-loss aggregates in the ignition furnace were evaluated: the standard method using the Thermolyne furnace (control), the Troxler NTO infrared furnace, the Ontario method, and a Tempyrox glass-cleaning oven. Six aggregate sources with high ignition furnace aggregate corrections were obtained from around the country: four dolomites, a basalt, and a serpentine/chlorite. Calibration factors were determined for each method at optimum asphalt content. Additional samples were then tested at optimum plus 0.5% asphalt con
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Ruge Cárdenas, Juan Carlos, Diego Andres Lozano, Luis Angel Moreno, Fausto Andres Molina Gomez та Juan Gabriel Bastidas. "Asphalts and modified dense bituminous mixtures with rubber of military boots". DYNA 87, № 212 (2020): 120–28. http://dx.doi.org/10.15446/dyna.v87n212.78135.

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This article evaluates in the laboratory the physical and rheological properties of the modified asphalt cement (AC) with different contents of rubber (R) from used military boots. For the evaluation of the modified AC, laboratory tests of penetration, softening point, ductility, viscosity, short-term aging and determination of the rheological parameters in the DSR dynamic shearing rheometer were performed. In addition, the mechanical performance of a conventional asphaltic dense mixture (control) and three dense asphalt mixtures with modified asphalt cement with different rubber contents, wet
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Wiyono, Eko, and Anni Susilowati. "VARIASI JUMLAH TUMBUKAN PADA PEMADATAN CAMPURAN BETON ASPAL MENGGUNAKAN BAHAN TAMBAH ANTI STRIPPING." Construction and Material Journal 2, no. 1 (2020): 33–39. http://dx.doi.org/10.32722/cmj.v2i1.2755.

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AbstractThe objectives of the research were to obtain the Marshall properties of asphalt concrete mixture mixed with variations of manual compact collisions and to determine the optimum number of compactions collisions in the asphalt concrete mixture using anti stripping additives. The independent variables in this research are variation of the number of compaction collisions of asphalt concrete as many as 2x50, 2x75, 2x100, 2x125 and 2x150, with optimum asphalt content of 6%, and Wetfix Be 0,3% to optimum asphalt content. Marshall test method used in this research was based on SNI 06-2489-199
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12

Zhou, Liang. "Determination of Hydrated Lime Content in Asphalt Mastic Incorporating High Temperature Performances." Advanced Materials Research 912-914 (April 2014): 81–84. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.81.

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Different hydrated lime content in asphalt mastic greatly influences the performances of asphalt mixture. The aim of this paper is to study asphalt mastic made with different content of hydrated lime was used in Dynamic Shear Rheological and Viscosity Tests. The optimum hydrated lime content was proposed in terms of test results above. The results illustrated that hydrated lime was an appropriate addition agent which can improve asphalt mastic properties greatly, however, too much hydrated lime may result in the decrease of asphalt mixture performances.
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13

Li, Jing, and Ai Qin Zhang. "Surface Modification Research for Asphalt Mixture Filler." Applied Mechanics and Materials 174-177 (May 2012): 821–25. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.821.

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Titanate coupling agent can modify the surface of inorganic filler and promote adhesion property of asphalt mortar. Moreover, it can also improve asphalt performance and pavement performance of asphalt mixture effectively, and reduce optimum asphalt content of mixture.
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14

Saidi, Ahmed, Ayman Ali, Wade Lein, and Yusuf Mehta. "A Balanced Mix Design Method for Selecting the Optimum Binder Content of Cold In-Place Recycling Asphalt Mixtures." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 3 (2019): 526–39. http://dx.doi.org/10.1177/0361198119835806.

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The objective of this paper is to present a procedure for designing cold in-place recycling (CIR) mixtures through balancing rutting and cracking for these mixtures. Four CIR mixtures were prepared using two recycling agents (foamed and emulsified asphalts), and compacted at two gyration levels (30 and 70 gyrations). The CIR mixtures were prepared at a constant water content of 3% and a constant cement content of 1% while curing of the compacted samples was conducted by placing them in an oven for three days at 140°F (dry curing). The CoreLok device was used for measuring air voids in compacte
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15

Mawat, Huda Qasim, and Mohammed Qadir Ismael. "Assessment of Moisture Susceptibility for Asphalt Mixtures Modified by Carbon Fibers." Civil Engineering Journal 6, no. 2 (2020): 304–17. http://dx.doi.org/10.28991/cej-2020-03091472.

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Moisture induced damage in asphaltic pavement might be considered as a serious defect that contributed to growth other distresses such as permanent deformation and fatigue cracking. This paper work aimed through an experimental effort to assess the behaviour of asphaltic mixtures that fabricated by incorporating several dosages of carbon fiber in regard to the resistance potential of harmful effect of moisture in pavement. Laboratory tests were performed on specimens containing fiber with different lengths and contents. These tests are: Marshall Test, the indirect tensile test and the index of
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16

Ren, Jiao Long. "Pavement Performance of Asphalt Concrete Using Building Demolition Waste." Advanced Materials Research 1044-1045 (October 2014): 574–77. http://dx.doi.org/10.4028/www.scientific.net/amr.1044-1045.574.

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In order to deeply analyze the feasibility of the application of building demolition waste on asphalt concrete, pavement performance of asphalt concrete using different content of building demolition waste was analyzed. Results show that: (1) the addition of building demolition waste increases the asphalt-aggregate ratio of asphalt concrete, and the asphalt-aggregate ratio increases 0.25% with the 10% increase of building demolition waste content; (2) the high-temperature stability of asphalt concrete improved significantly with the increase of building demolition waste content; (3) building d
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17

Le, Anh Thang, Manh Tuan Nguyen, and Van Phuc Le. "The Effect of Spent Fluid Catalytic Cracking Filler on Performance Testing of Asphalt Concrete Mixture." Advances in Materials Science and Engineering 2021 (July 31, 2021): 1–17. http://dx.doi.org/10.1155/2021/8577021.

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The spent fluid catalytic cracking (SFCC), waste from the petroleum industry, is nonstop increasing and causing environmental pollution in Vietnam. This study is an attempt to recycle SFCC in pavement construction. The study investigated the effect of SFCC, as a filler material in the hot-mix asphalt (HMA), on the essential characteristics of the asphalt concrete mix. First, the optimum percentages of bitumen and SFCC rate were investigated based on the Marshall design method. The HMA with SFCC showed more enhanced stability, flow, and other Marshall properties than the asphalt concrete mixtur
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18

Chen, Jing, Liang Zhou, and Zeng Hui Yan. "Hydrated Lime Content in Asphalt Mastic Based on High Temperature Performances." Applied Mechanics and Materials 40-41 (November 2010): 669–74. http://dx.doi.org/10.4028/www.scientific.net/amm.40-41.669.

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Hydrated lime content in asphalt mastic greatly influences the performances of asphalt mixture. The aim of this paper is to study the hydrated lime to the high temperature characters, resist ability of aging, together with workability. Asphalt mastic made with different content of hydrated lime was used in Dynamic Shear Rheological and Viscosity Tests. The optimum hydrated lime content was proposed in terms of test results above. The results illustrated that hydrated lime was an appropriate addition agent which can improve asphalt mastic properties greatly, however, too much hydrated lime may
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19

Albayati, Amjad H., Hasan M. Al-Mosawe, Abbas A. Allawi, and Nazar Oukaili. "Moisture Susceptibility of Sustainable Warm Mix Asphalt." Advances in Civil Engineering 2018 (August 19, 2018): 1–9. http://dx.doi.org/10.1155/2018/3109435.

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Sustainable pavements are pavements that meet the requirements of present generation without influencing the capability of the future generation to meet their needs. One of the problems of the warm mix asphalt is that it has low resistance to moisture damage; therefore, the aim of this research paper is to study the possibility of producing more durable warm mixes against the moisture damage with the use of recycled concrete aggregate (RCA) which has not been studied before. Six replacement rates (0, 20, 40, 60, 80, and 100%) for the coarse version aggregate (VA) with RCA were studied. The Mar
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20

Prowell, Brian D. "Alternate Methods To Determine Asphalt Content." Transportation Research Record: Journal of the Transportation Research Board 1616, no. 1 (1998): 23–29. http://dx.doi.org/10.3141/1616-04.

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A method was identified to determine asphalt content to replace chlorinated solvent extraction. Production of trichloroethane was banned on December 31, 1995, as part of the 1990 Clean Air Act Amendments. Initially, the study focused on evaluating the nuclear asphalt content gauge with Marshall plugs. During the course of the research, early data from the National Center for Asphalt Technology (NCAT) indicated that the ignition method was a promising alternative. Testing was conducted with three generations of ignition furnaces. Four aggregate types were evaluated with typical surface mix and
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Wang, Hui, Zhen Yang, Shihao Zhan, Lei Ding, and Ke Jin. "Fatigue Performance and Model of Polyacrylonitrile Fiber Reinforced Asphalt Mixture." Applied Sciences 8, no. 10 (2018): 1818. http://dx.doi.org/10.3390/app8101818.

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Fatigue is considered a major pavement structural distress and an important part of a performance-based mix design. Currently, the fatigue model of asphalt mixture, especially the mixture incorporated with fibers, is not perfect. In this paper, the central-point bending fatigue test was conducted by constant strain mode with MTS apparatus. The fatigue performance and model of polyacrylonitrile (PAN) fiber-reinforced asphalt mixture produced with different fiber contents and asphalt contents were reported. The results indicated that the fatigue life of fiber reinforced mixture was higher than t
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22

Hamdan, Rana Khaled, and Saad Issa Sarsam. "Impact of Rejuvenators Type on Physical Properties of Aged Asphalt Cement." Civil Engineering Journal 5, no. 9 (2019): 2058–69. http://dx.doi.org/10.28991/cej-2019-03091393.

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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 (Polyethyle
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Hurley, Graham C., and Brian D. Prowell. "Evaluation of Infrared Ignition Furnace for Determination of Asphalt Content." Transportation Research Record: Journal of the Transportation Research Board 1861, no. 1 (2003): 44–50. http://dx.doi.org/10.3141/1861-06.

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The Troxler Model 4730 infrared ignition furnace was compared with a standard Thermolyne ignition furnace. Comparisons conducted with a single unit of each furnace type were based on the correction factor for aggregate loss during ignition, accuracy, and the variability of the measured asphalt content and aggregate degradation during ignition. Forty-eight samples representing two nominal maximum aggregate sizes (9.5 and 19.0 mm), four aggregate types (granite, crushed gravel, limestone, and dolomite), and two asphalt contents (optimum and optimum plus 0.5% asphalt content) were tested in each
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Wang, Sheng, Aihong Kang, Peng Xiao, Bo Li, and Weili Fu. "Investigating the Effects of Chopped Basalt Fiber on the Performance of Porous Asphalt Mixture." Advances in Materials Science and Engineering 2019 (July 2, 2019): 1–12. http://dx.doi.org/10.1155/2019/2323761.

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Porous asphalt mixture is a type of asphalt mixture with good drainage. However, it has poor tensile strength performance and durability. Chopped basalt fibers (CBF) have been proved to be an effective additive to improve the mechanical and fatigue performance of asphalt mixtures, but little attention has been paid on porous asphalt mixture. This paper examined the effect of chopped basalt fibers with different lengths (nonfiber, 3 mm, 6 mm, 9 mm, and 12 mm) and contents (3% and 4%) on the performance of the porous asphalt mixture. A series of tests were conducted to figure out the optimum fib
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Sulianti, Ika, Ibrahim Ibrahim, Agus Subrianto, Adelia Monita, and Medici Medici. "Karakteristik Marshall Pada Campuran Asphalt Concrete – Wearing Course (AC-WC) Dengan Penambahan Styrofoam." FORUM MEKANIKA 8, no. 2 (2019): 51–62. http://dx.doi.org/10.33322/forummekanika.v8i2.653.

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Styrofoam waste presents the environment issue because it is difficult to decompose. As an effort to recycle this pollutant, styrofoam can be utilized as an additive in asphalt concrete mixture. The use of additives aims to create a flexible pavement layer having good performance and meet the requirements. The purpose of this study is to find out whether the addition of styrofoam can improve the quality of asphalt mixtures, and look for alternative additives that can increase asphalt pavement performance. In this study, researchers used food container styrofoam as an addition and incorforated
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Nihad, Zainalabidine, and Saad Issa Sarsam. "Variation of Asphalt Requirement and Strength Properties among Hot Mix (HMA) and Warm Mix (WMA) Asphalt Concrete." Association of Arab Universities Journal of Engineering Sciences 27, no. 2 (2020): 24–33. http://dx.doi.org/10.33261/jaaru.2020.27.2.003.

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Due to the restrictions for protecting the environment, and the requirements to reduce fuel consumption, research work was started globally for verifying the possibility of implementation of warm mix asphalt (WMA) in pavement construction. Warm mix asphalt enables the production and compaction of asphalt concrete mixtures at temperatures (20-30 °C) lower than that of traditional hot mix asphalt (HMA). In this investigation, two WMA mixtures have been prepared in the laboratory using medium curing cutback (MC-30) and Cationic emulsion. HMA mixture was also prepared for comparison. Marshall spec
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Wang, She Liang, Xi Yu Zhu, and Xian Tang. "Research of Particle Contact Mechanics Behaviors and Applicative Evaluation for Asphalt Mixture." Advanced Materials Research 168-170 (December 2010): 86–93. http://dx.doi.org/10.4028/www.scientific.net/amr.168-170.86.

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Different gradation types may have different particle contact behaviors for asphalt mixture, so that it holds diverse pavement performances. The particle contact theory explains the particle contact behaviors law during movement. A particle contact behaviors model was established, which is easy to describe and apply on the spot. A line contact stiffness model was used to simulate particle contact behaviors for gradation types of CA0.2, CA0.4, CA0.6 and CA0.8 when particle of asphalt mixture is moving with dead weight. Their pavement performances were verified with Marshall test, wheel tracking
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Thanaya, I. Nyoman Arya, I. Gusti Raka Puranto, and I. Nyoman Sapta Nugraha. "Studi Karakteristik Campuran Aspal Beton Lapis Aus (AC-WC) Menggunakan Aspal Penetrasi 60/70 dengan Penambahan Lateks." MEDIA KOMUNIKASI TEKNIK SIPIL 22, no. 2 (2016): 77. http://dx.doi.org/10.14710/mkts.v22i2.12875.

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Asphalt on pavement in long term may undergo hardening, so it needs addition of additive that can make it remain flexible. This experiment tried to produce asphalt concrete wearing course (AC-WC) using asphalt penetration 60/70 with the addition of latex, with aim to know the characteristic of AC-WC mix at the optimum of asphalt content with addition of latex in variation of 0%, 2%, 4%, 6%, 8%, and 10% of the total binder. Latex was initially mixed with the asphalt, then the aggregates were proportioned based on ideal grading. The samples were produced in hotmix process. The density of latex w
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Li, Hao, Rui Zhou, and Xuan Cang Wang. "Study on Pavement Performance of Reclaimed Asphalt Mixture." Advanced Materials Research 204-210 (February 2011): 2075–78. http://dx.doi.org/10.4028/www.scientific.net/amr.204-210.2075.

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In order to improve the pavement performance of reclaimed asphalt mixture, using Marshall test, rutting test, splitting test and long-term aging test, taking stability, dynamic stability, fatigue strength, stiffness modulus, and freeze-thaw splitting tension strength as the target, the influence law of old asphalt mixture content and regenerant content on pavement performance of reclaimed asphalt mixture is systematically studied. The results show that: the proportion of old asphalt mixture has no influence on high temperature performance of reclaimed asphalt mixture. With the proportion of ol
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Thomas, Kavya Mariya, Noel Varghese Mathew, Rajalekshmi P R, Rajalekshmi Suresh Kumar, and Reebu Zachariah Koshy. "Water Quality and Performance Assessment of Porous Asphalt Mix Modified Using Charcoal Powder." Journal of Sustainable Engineering: Proceedings Series 1, no. 2 (2019): 123–36. http://dx.doi.org/10.35793/joseps.v1i2.17.

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Porous pavements are used to allow infiltration of water for increasing ground water storage. Bio char (Charcoal) is a low cost adsorbent used for the removal of heavy metals and other contaminants. This project examines the possibility of using bio char in porous asphalt mixes and efficiency of the asphalt layer modified with charcoal in removing contaminants from typical storm water. Bio char is added by partial replacement of fine aggregates of size less than 2.36 mm. Preliminary Marshall tests indicated that bio char content of about 1to 2 % is not seriously affecting the properties of por
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Zhang, Yun Hua, Jin Zhao, Jun Fu, Chun Mei Yu, and Tao Xiang. "Research on the Mix Design of Cement Asphalt Concrete." Advanced Materials Research 887-888 (February 2014): 838–41. http://dx.doi.org/10.4028/www.scientific.net/amr.887-888.838.

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Effect of material mix proportion on strength of cement asphalt concrete (CAC) was studied based on 7d cleavage strength. Results indicate that the cleavage strength of CAC increase sharply with the increase of the cement content (0-6%), and the optimum content of added water and emulsified asphalt were 2% and 6% respectively while the cement content was 5%.
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Al-Abdul Wahhab, H. I., and I. Abaker. "Performance Modification of Asphalt Binders using Thermoplastic Polymers." Journal of Engineering Research [TJER] 1, no. 1 (2004): 19. http://dx.doi.org/10.24200/tjer.vol1iss1pp19-28.

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There is a need to improve the performance of asphalt binders to minimize stress cracking that occurs at low temperatures and plastic deformation at high temperatures. Importation of used asphalt-polymers from abroad, leads to an increase in the total construction cost as compared to the cost if the used polymers were of local origin. The main objective of this research was to modify locally produced asphalt. Ten polymers were identified as potential asphalt modifiers based on their physical properties and chemical composition. After preliminary laboratory evaluation for the melting point of t
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Surat, Surat, Rifanie Gazalie, and Pazilatul Mumamiroh. "Perencanaan Campuran Lapis Aspal Beton Permukaan Dengan Asbuton Butir Sebagai Filler." Jurnal Gradasi Teknik Sipil 2, no. 1 (2018): 1. http://dx.doi.org/10.31961/gradasi.v2i1.574.

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The objective of this research was to use mineral in asbuton as filler and asphalt will be taken into account to reduce the use of oil asphalt in Asphalt Concrete Wearing Course. The material used in this research was aggregate crushed stone from Katunun Mountain, Tanah Laut Regency, South Kalimantan, asphalt Pen 60/70 production of Pertamina and Asbuton grade 15/20. Use of Asbuton 7% in Asphalt Concrete Wearing Course mixture with optimum asphalt content of 5.25% mixed properties of VIM 3.5%, VMA 15.7%, VFB 77,9%, Stability 1484 kg, Flow 3.3 mm, VIM PRD 3.0%, Stability remaining 90.8% obtaine
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Abdillah, Mohammad Zainudin, and Dwi Kartikasari. "SUBSTITUSI FILLER PADA CAMPURAN ASPAL DENGAN FLY ASH DAN SERBUK BATU BATA." Jurnal CIVILA 3, no. 1 (2018): 124. http://dx.doi.org/10.30736/cvl.v3i1.219.

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Asphalt concrete wearing course as a wear layer in highway pavement layer, Is the top layer in flexible pavement. In this research will be discussed on the use of Portland cement filler as a reference to compare filler replacement with fly ash and powdered brick with 100% fly ash, 100% powdered brick and 50% fly ash: 50% powder brick. The first step after the aggregate testing, the asphalt and filler material to be used, followed by the manufacture of the specimen with the specified asphalt content. After obtaining the optimum asphalt content for each different filler variation, a Marshall tes
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Kartikasari, Dwi, and Sugeng Dwi Hartantyo. "PENGGANTIAN FILLER DENGAN FLY ASH DAN SERBUK BATU BATA PADA CAMPURAN ASPAL (AC-WC) FILLER REPLACEMENT WITH FLY ASH AND BRICK POWDER IN MIX OF ASPHALT (AC-WC)." UKaRsT 1, no. 1 (2017): 9. http://dx.doi.org/10.30737/ukarst.v1i1.259.

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Asphalt concrete wearing course as a wear layer in highway pavement layer, Is the top layer in flexible pavement. In this research will be discussed on the use of Portland cement filler as a reference to compare filler replacement with fly ash and powdered brick with 100% fly ash, 100% powdered brick and 50% fly ash: 50% powder brick. The first step after the aggregate testing, the asphalt and filler material to be used, followed by the manufacture of the specimen with the specified asphalt content. After obtaining the optimum asphalt content for each different filler variation, a Marshall tes
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Eka Putri, Elsa, and Oliensia Vasilsa. "Improve the Marshall stability of porous asphalt pavement with HDPE addition." MATEC Web of Conferences 276 (2019): 03005. http://dx.doi.org/10.1051/matecconf/201927603005.

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Porous asphalt is a gap graded pavement that is 20% air voids which enables rainwater that falls on the road surface to flow through the pavement and into drainage on the side of the road. Porous asphalt has a high shear resistance and dries quickly but its stability is low, it is costly to maintain and needs replacing after only a short time. Despite these disadvantages, porous asphalt is still a good choice in area that experiences heavy annual rainfall. High Density Polyethylene (HDPE), an opaque plastic, is harder and stronger than porous asphalt with a tensile strength of 3100-5500 psi. I
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Yang, Sanqiang, Xiaoyu Zhou, Lusheng Qin, Na Liu, and Yongli Cai. "Experimental Study on Macro-Mesoscopic Components and Indexes of Buton Gilsonite-Modified Asphalt." Advances in Materials Science and Engineering 2019 (December 10, 2019): 1–9. http://dx.doi.org/10.1155/2019/9170756.

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Gilsonite-modified asphalt is one of the hotspots of high-performance modified asphalt research. In this paper, the macroscopic composition and index of gilsonite-modified asphalt are analyzed; gilsonite, matrix asphalt, and modified asphalt with different gilsonite contents were analyzed by high- and low-temperature performance tests, antiaging performance test, four-component test, infrared spectral test, and SEM electroscope scanning test. The results showed that the content of aromatic fraction, colloid, and asphaltene in Buton gilsonite was 3.1%, 95.6%, and 32.9% higher than that of matri
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Yahya, Yusrizal, Desriantomy ., and Robby . "KARAKTERISTIK MARSHALL CAMPURAN HOT ROLLED SHEET WEARING COURSE MENGGUNAKAN BAHAN TAMBAH PLASTIK BEKAS JENIS POLYETHYLENE TEREPHTHALATE." Jurnal Transportasi 19, no. 3 (2020): 179–86. http://dx.doi.org/10.26593/jt.v19i3.3670.179-186.

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Abstract This study was conducted to determine the benefits of the use of polyethylene terephthalate used plastic as additives in hot asphalt mixture Hot Rolled Sheet Wearing Course. Marshall testing was carried out on specimens using polyethylene terephthalate plastic additives, with variations in the ingredients added 2%, 4%, 6%, 8%, and 10% to the weight of asphalt on specimens with Optimum Asphalt Content. Marshall parameters of test specimens generally meet the existing specifications, except the Void In Mixture value for specimens with plastic content of 8% and 10%. The optimum plastic c
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Bahruddin, Arya Wiranata, and Alfian Malik. "Effects of 1,2-Dihydro-2,2,4-Trimethyl-Quinoline (TMQ) Antioxidant on the Marshall Characteristics of Crepe Rubber Modified Asphalt." Key Engineering Materials 876 (February 2021): 39–44. http://dx.doi.org/10.4028/www.scientific.net/kem.876.39.

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The use of natural rubber-like crepe rubber as an asphalt additive is very susceptible to aging. Aging on asphalt crepe rubber can occur during the mixing process or its use for the road. Studies on the prevention of aging on asphalt are still being developed to produce asphalt resistance to aging and have good performance in preventing deformation. Some studies that have been done are the addition of other additives such as antioxidants. This study aims to study the effect of adding crepe rubber and the antioxidant 1,2-dihydro-2,2,4-trimethyl-quinoline (TMQ) to the Marshall characteristics of
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Sun, Da Quan, Li Wen Zhang, and Xiao Ling Zhang. "Quantification of SBS Content in SBS Polymer Modified Asphalt by FTIR." Advanced Materials Research 287-290 (July 2011): 953–60. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.953.

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The content SBS plays an important role on the performances of its modified asphalt. Traditional methods which were based on the differences of performances and molecular weight couldn’t quantify SBS content accurately. On the basis of FTIR analysis of SBS, the characteristic peak combination of modified asphalt that could be possibly used for quantitative analysis was summarized. According to theory of Lambert-Beer’s law, a relationship of absorbance ratio and content of mass was deduced. Considering the physical property of SBS polymer modified asphalt and coefficient of variation of specime
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Meng, Yanyu, Jiaqi Zhang, Zhan Luo, Liang Kong, and Yuanyuan Gu. "Optimum Asphalt Content of Hot Recycled Asphalt Mixture in Cold Area under Different Old Materials." Journal of Physics: Conference Series 1649 (September 2020): 012047. http://dx.doi.org/10.1088/1742-6596/1649/1/012047.

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Zhang, Ke, Yaofei Luo, Yunze Wang, Wenlong Li, and Gan Yu. "Material optimization and optimum asphalt content design of asphalt mixture in salty and humid environment." Construction and Building Materials 196 (January 2019): 703–13. http://dx.doi.org/10.1016/j.conbuildmat.2018.11.158.

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Saltan, Mehmet, Betül Öksüz, and Volkan Emre Uz. "Use of glass waste as mineral filler in hot mix asphalt." Science and Engineering of Composite Materials 22, no. 3 (2015): 271–77. http://dx.doi.org/10.1515/secm-2013-0135.

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AbstractThe use of resources is increasing due to continuous increase in world population and rapid industrialization, while natural resources are being exhausted day by day. Usage of waste materials or by-products in highway construction has substantial environmental and economic benefits. In this study, the usage of cullet and waste glass bottle dust as mineral filler material in hot mix asphalt as an alternate to traditional crushed stone dust was investigated. Optimum bitumen content was determined by the Marshall mix design method by using six different bitumen contents (4.0%, 4.5%, 5.0%,
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Cetin, Altan. "Effects of Crumb Rubber Size and Concentration on Performance of Porous Asphalt Mixtures." International Journal of Polymer Science 2013 (2013): 1–10. http://dx.doi.org/10.1155/2013/789612.

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The purpose of this study is to investigate the effect of size distribution and concentration of crumb rubber on the performance characteristics of porous asphalt mixture. The recycling of scrap tires in asphalt pavements appears as an important alternative providing a large-scale market. The characteristics of bitumen are very important with regard to service life of porous asphalt pavement. The experimental study consists of two main steps. Firstly, the mixture design was performed to determine the optimum bitumen content. In the latter step, the mixtures were modified by dry process using c
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Feng, Xin Jun, and Xu Dong Zha. "Research on Application Technology of TLA Modified Asphalt Mixture." Advanced Materials Research 194-196 (February 2011): 1069–72. http://dx.doi.org/10.4028/www.scientific.net/amr.194-196.1069.

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Marshall test design methods are used to design TLA modified asphalt mixture and base asphalt mixture respectively, and their pavement performance is tested. The results showed that there is a transforming coefficient of 1.10 between optimum asphalt content (OAC) of 25% TLA modified asphalt mixture and that of base asphalt mixture, and TLA modified asphalt mixture has excellent high temperature stability, capacity of moisture-resistance damage and impermeability. Construction technology of TLA modified asphalt mixture is similar to that of ordinary asphalt mixture, but the key for it is to con
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Sanchez-Alonso, Elsa, Gonzalo Valdes-Vidal, and Alejandra Calabi-Floody. "Experimental Study to Design Warm Mix Asphalts and Recycled Warm Mix Asphalts Using Natural Zeolite as Additive for Sustainable Pavements." Sustainability 12, no. 3 (2020): 980. http://dx.doi.org/10.3390/su12030980.

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There are currently various technologies for the manufacture of warm mix asphalts (WMA). This paper presents the possibility of using a natural zeolite to manufacture WMA as an alternative to existing synthetic products for the manufacture of this type of mixture. Moreover, the possibility of manufacturing WMA with the addition of recycled asphalt pavement (RAP) using natural zeolite as the basis of a warm mix technology was evaluated. Firstly, asphalt mixtures were manufactured at three different temperatures (145 °C, 135 °C, and 125 °C) with different percentages of natural zeolite to determ
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Li, Li, Zhou Chao, Wang Nian, and Wei Hua Qiao. "Experimental Study on Foaming Characteristics of Foamed Asphalt." Applied Mechanics and Materials 361-363 (August 2013): 1507–10. http://dx.doi.org/10.4028/www.scientific.net/amm.361-363.1507.

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This paper presents study on foaming characteristics of two types asphalt with same Penetration-grade 70. Asphalt temperature (AT), water content (WC) and water temperature (WT) were selected for investigation their effects on the asphalt foamability. Maximum expansion ratio (ERMax) and half-life (HL) are important indicators of foamed asphalt. It is concluded that ERMax*HL reachs maximum at optimum foaming condition of foamed asphalt. The conclusion is used as criterion for optimizing foaming condition. The fact that the water temperature influences the ERMax and HL of foamed asphalt signific
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Zhu, Ji Qing, Shao Peng Wu, Jin Jun Zhong, and Dong Ming Wang. "Classification of Coarse Recycled Aggregate Used in Asphalt Concrete." Applied Mechanics and Materials 71-78 (July 2011): 1025–30. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.1025.

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Two classification methods for coarse recycled aggregate used in asphalt concrete were investigated in this paper, respectively classifying by coarse recycled aggregate properties and asphalt concrete properties. When classifying by coarse recycled aggregate properties, coarse recycled aggregate was classified into three types by the apparent specific gravity, water absorption, crushed value, Los Angeles abrasion value and brick content of coarse recycled aggregate. When classifying by asphalt concrete properties, coarse recycled aggregate was used to prepare asphalt concrete; and coarse recyc
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Chasanah, Faizul, and Fajariesta Arta Putra. "Effects of Using Limestone as a Filler and Starbit E-55 Asphalt as a Binder on the Performance of AC-WC Mixture." MATEC Web of Conferences 258 (2019): 04005. http://dx.doi.org/10.1051/matecconf/201925804005.

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Asphalt concrete can be made through several methods including hot mix using Starbit E-55 asphalt as a binder and limestone as filler. This research aimed to determine the feasibility of the use of limestone as filler in AC-WC mixture and to identify the effects of limestone addition on the Marshall Characteristics, Durability, Indirect Tensile Strength (ITS), and Permeability. The first stage was to test the properties of materials consisting of aggregate, asphalt, and limestone. The second stage was to determine the optimum asphalt content with 0%, 25%, 50%, 75%, and 100% filler proportions,
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Fan, Tong Jiang, and Hao Chen. "Relationships between the Volumetric Parameters and the Marshall Index for Asphalt Mixtures." Applied Mechanics and Materials 174-177 (May 2012): 947–53. http://dx.doi.org/10.4028/www.scientific.net/amm.174-177.947.

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determination of the optimum asphalt content usually associates the Marshall Index with volumetric parameters for hot mix asphalt (HMA). Because unreasonable volumetric parameters may result in the asphalt content being more or less so that performance of HMA are influenced. Therefore in this paper, relationships between volumetric parameters and the Marshall Index were studied for two kinds of gradations, AC25 and AC13, which for each kind of gradation, according to the orthogonal test method, the pass percentages of aggregate between the each sieve size and the usage of asphalt contents were
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