Academic literature on the topic 'Lottman Modified Test'

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Journal articles on the topic "Lottman Modified Test"

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İskender, Cansu, Erol İskender, Atakan Aksoy, and Celaleddin Ensar Şengül. "Effect of Glass Cullet Size and Hydrated Lime—Nanoclay Additives on the Mechanical Properties of Glassphalt Concrete." Sustainability 13, no. 23 (2021): 13284. http://dx.doi.org/10.3390/su132313284.

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In this study, the use of glass waste as aggregate in asphalt mixtures was investigated. Maximum glass aggregate size options of 0.075, 2.00, 4.75 and 9.5 mm. were selected. Conventional bitumen, nanoclay-modified bitumen and hydrated lime-modified bitumen were used. Dense graded asphalt mixtures were designed according to the Marshall method. Mixtures were evaluated for low-temperature cracking, resistance to water damage, fatigue, and permanent deformation behavior with repeated creep, indirect tensile strength, indirect tensile fatigue, modified Lottman and Hamburg wheel tracking tests. Inc
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Xie, Jun, Jun Cai, Shao Peng Wu, and Ling Pang. "Moisture Sensitivity of Bituminous Mixtures with Compound Fly Ash Modifier." Key Engineering Materials 509 (April 2012): 149–54. http://dx.doi.org/10.4028/www.scientific.net/kem.509.149.

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Bitumen pavement suffers from moisture damage mainly due to loss of durability and stability in a short span of service life. Filler is known to be capable of increasing the stiffness of bitumen binder, contributing to improvement of moisture sensitivity of bitumen mixture. In this paper a new type of filler named 'Compound Fly Ash Modifier' (CFAM) was introduced in order to enhance the bond strength between acidic aggregate with bitumen. The primary object is to determine the effect of CFAM on the moisture sensitivity of bitumen mixtures prepared by gneiss and granite respectively, which are
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Omrani, Hamed, Ali Reza Ghanizadeh, and Amin Tanakizadeh. "Effect of SBS Polymer and Anti-stripping Agents on the Moisture Susceptibility of Hot and Warm Mix Asphalt Mixtures." Civil Engineering Journal 3, no. 10 (2017): 987. http://dx.doi.org/10.28991/cej-030931.

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The primary objective of this study is exploring the moisture susceptibility of unmodified and SBS-modified hot and warm mix asphalt mixtures. To this end, two different WMA additives including Aspha-min and Sasobit were employed to fabricate WMA specimens. The moisture susceptibility of warm polymer modified asphalt (WPMA) mixes was evaluated using modified Lottman test at 25°C according to AASHTO standard (T 283). In addition, the effect of different percentages of hydrated lime (from 0% to 2%) and Zycosoil (from 0% to 0.1%) as anti-stripping additives on the moisture susceptibility of the m
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Kringos, Niki, Haleh Azari, and Anthanassios (Tom) Scarpas. "Identification of Parameters Related to Moisture Conditioning that Cause Variability in Modified Lottman Test." Transportation Research Record: Journal of the Transportation Research Board 2127, no. 1 (2009): 1–11. http://dx.doi.org/10.3141/2127-01.

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Muniz de Farias, Marcio, Ferney Quiñonez Sinisterra, and Hugo Alexander Rondón Quintana. "Behavior of a hot mix asphalt made with recycled concrete aggregate and crumb rubber." Canadian Journal of Civil Engineering 46, no. 6 (2019): 544–51. http://dx.doi.org/10.1139/cjce-2018-0443.

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An experimental program was devised to evaluate the effect on the resistance of a hot mix asphalt, due to the total replacement of a natural aggregate (limestone — LS) by a recycled concrete aggregate (RCA). Two asphalt binders were used: conventional AC 50-70 (penetration grade) and AC 50-70 modified with crumb rubber (CRM). The mechanical properties investigated were the stability and flow ratio (Marshall test), indirect tensile strength, resistance to abrasion (Cantabro test), resilient modulus, resistance to permanent deformation, to fatigue and to moisture damage (modified Lottman test).
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Shaffie, E., J. Ahmad, Ahmad Kamil Arshad, and Dzaraini Kamarun. "Using Nanopolyacrylate and Nanocomposite as Binder Modifiers for Stone Mastic Asphalt (SMA)." Applied Mechanics and Materials 802 (October 2015): 381–86. http://dx.doi.org/10.4028/www.scientific.net/amm.802.381.

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This paper presents the potential benefits of using nanopolyacrylate (NP) and nanocomposite (NC) polymers as modified binders in SMA mixtures. The optimum binder content of the SMA control mix was designed using PG76 binder and Modified Lottman test (AASHTO T283) was used to determine the stripping performance. A total of six (6) SMA modified mix were prepared using NP and NC modified binder formulations at 2%, 4% and 6%. Results from tensile strength test showed that SMA-NC6 have the highest IDT (521kPa) followed by SMA-NP6 (511 kPa), SMA-Control (500 kPa), SMA-NC4 (449kPa), SMA-NC2 (403kPa)
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Huang, Jiandong, and Yuantian Sun. "Effect of Modifiers on the Rutting, Moisture-Induced Damage, and Workability Properties of Hot Mix Asphalt Mixtures." Applied Sciences 10, no. 20 (2020): 7145. http://dx.doi.org/10.3390/app10207145.

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The present study aims to examine the effect of modifiers (Styrene-Butadiene-Styrene and crumb rubber) on the rutting, moisture-induced damage, and workability properties of hot mix asphalt (HMA) mixtures. In this study, three types—namely, control (CB), crumb rubber-modified (CRMB), and polymer-modified (PMB)—of mixtures/binders were evaluated. The rutting properties were evaluated using a wheel tracking device and the Multiple Stress Creep Recovery (MSCR) test. The moisture-induced damage properties were evaluated using the Indirect Tensile Strength (modified Lottman) and bitumen bond streng
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Zhang, Xue Mei, Ling Pang, Shao Peng Wu, and Guo Fu Zhang. "Effect of Different Media Aqueous Solution on Road Performance of Asphalt Mixtures." Materials Science Forum 913 (February 2018): 1070–75. http://dx.doi.org/10.4028/www.scientific.net/msf.913.1070.

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Servicing in the natural environment, asphalt pavement is often exposed to the various aqueous solution, however, the effect of different media aqueous solution on road performance of asphalt mixtures remains ambiguous. In this study, the influences of water, acid, alkali and salt solution on volume of air voids (VV), tensile strength rate (TSR), low temperature performance of 70# asphalt mixtures and SBS modified asphalt mixtures were investigated through freeze-thaw cycles test, void ratio test, Lottman test and Three-point Bending Fracture (TBF) test. The results indicated that freeze–thaw
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Huang, Shao Long, Fan Shen, and Qing Jun Ding. "Research on the Application of Recycled PE in High Modulus Asphalt Mixture." Advanced Materials Research 287-290 (July 2011): 1155–63. http://dx.doi.org/10.4028/www.scientific.net/amr.287-290.1155.

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In this paper, recycled PE was added directly to the asphalt mixture to prepare high modulus asphalt mixture. To study the influence of the dosage and molecular weight of recycled PE on the performance of asphalt mixture, three kinds of recycled PE with different molecular weight and three asphalt binders (Conventional, SBS Modified and PE Modified) were used to prepare eight kinds of asphalt mixture. Various tests, including dynamic modulus, wheel tracking and Lottman test, were conducted to evaluate the performance of them. The results showed that 1) the dynamic modulus of asphalt mixture mo
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Al-Abdul Wahhab, H. I., I. M. Asi, S. A. Ali, S. Al-Swailmi, and A. Al-Nour. "Pavement Stripping in Saudi Arabia: Prediction and Prevention." Journal of Engineering Research [TJER] 1, no. 1 (2004): 29. http://dx.doi.org/10.24200/tjer.vol1iss1pp29-38.

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Pavement weathering or stripping is a major distress in highway networks in arid regions. Using the Saudi Arabian road network as a case study area, seventeen road test sections were selected, out of which eight were stripped and nine were non-stripped. Aggregates from quarries used to build these sections were also collected and subjected to detailed physical and chemical tests to evaluate the ability of these tests to distinguish between stripped and non-stripped sections. The modified Lottman test was used to distinguish between compacted mixes. In addition, the Swedish Rolling Bottle test,
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Dissertations / Theses on the topic "Lottman Modified Test"

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Ahmed, Taha Ahmed Hussien. "Investigating the rutting and moisture sensitivity of warm mix asphalt with varying contents of recycled asphalt pavement." Diss., University of Iowa, 2014. https://ir.uiowa.edu/etd/1282.

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To evaluate the performance of Warm Mixture Asphalt (WMA) with varying amounts of recycled asphalt pavement (RAP) in comparison with Hot Mix Asphalt (HMA), comprehensive laboratory and field evaluations were conducted. Mix designs were performed for both WMA with a LEADCAP additive and HMA with large amounts of fractionated RAP materials. Hamburg Wheel Tracking (HWT) test was performed to evaluate the rutting and moisture susceptibility of both HMA and WMA laboratory mixtures. HMA mixtures with up to 50% RAP materials by binder replacement exhibited a better performance than WMA mixtures. Howe
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Book chapters on the topic "Lottman Modified Test"

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Scarpas, A., N. Kringos, and H. Azari. "Combined experimental and numerical analysis of moisture infiltration in the modified Lottman test." In Advanced Testing and Characterization of Bituminous Materials. CRC Press, 2009. http://dx.doi.org/10.1201/9780203092989.ch26.

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Conference papers on the topic "Lottman Modified Test"

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Saadeh, Shadi, and Louay Mohammad. "Moisture Sensitivity of Warm and Hot Mix Asphalt: Comparison of Loaded Wheel Tracking and Modified Lottman Tests." In Geotechnical Frontiers 2017. American Society of Civil Engineers, 2017. http://dx.doi.org/10.1061/9780784480441.029.

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