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Tadas Tamo?iunas and ?arunas Skuodis
The mechanical properties of pavement materials are crucial to the design and performance of flexible pavements. One of the most commonly used measures of these properties is the resilient modulus (Er). Many different models were developed to predict the...
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Steve Pahno, Jidong J. Yang and S. Sonny Kim
Modern machine learning methods, such as tree ensembles, have recently become extremely popular due to their versatility and scalability in handling heterogeneous data and have been successfully applied across a wide range of domains. In this study, two ...
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Shao-Heng He, Qiong-Fang Zhang, Zhi Ding, Tang-Dai Xia and Xiao-Lu Gan
Coral sand is an important filler resource that can solve the shortage of terrestrial fillers in coastal areas. Recently, the foundations of many infrastructures in the South China Sea have been built with coral sand as fillers, which have been subjected...
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Hugo Alexander Rondón Quintana, Fredy Alberto Reyes Lizcano
Pág. Page 57 - 74
The present paper introduces the evolution of resilient modulus, permanent strain and fatigue life of an asphaltic concrete mixture exposed under weather conditions in Bogota D.C. (Colombia) during 47-48 months. Mixtures were elaborated by using two asph...
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Hugo Alexander Rondón Quintana, Fredy Alberto Reyes Lizcano
Pág. Page 195 - 207
The paper presents the evolution of the resilient modulus, permanent deformation and strength under monotonic loading of a dense hot mixture due to long term exposure to the environment in the city of Bogota D.C. (Colombia). The mixtures were made using ...
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A. Raposeiras, D. Movilla, A. Vargas, R. Bilbao, C. Cifuentes
Pág. Page 15 - 24
Asphalt mixes with Reclaimed Asphalt Pavement (RAP) offer many advantages when reusing this material. But without the adequate treatment, these mixtures present durability problems due to the material?s loss of properties over time. The use of copper sla...
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Carlos Hidalgo Signes, Pablo Martínez Fernández, Julio Garzón-Roca, María Elvira Garrido de la Torre, Ricardo Insa Franco
Pág. 384 - 391
Over the last years rubber from scrap tyres has been reused in different civil works such as road embankments and railway platforms due to its resilient properties, low degradation and vibration attenuation. Unfortunately, this issue is still scarce. For...
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Inamullah Khan, Abdul Wahab Khattak, Alireza Bahrami, Shahab Khattak and Ali Ejaz
Flexible pavements are mostly affected by meteorological factors in addition to traffic loads, which results in premature pavement failures like rutting and moisture-induced damage. This study focuses on the impacts of adding various contents of nano-sil...
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Dusan Stehlik, Petr Hyzl, Ondrej Dasek, Ludek Malis, Robert Kaderka, Radek Komenda, Jiri Sachr, Petr Vesely, Karel Spies and Michal Varaus
In addition to the conventional laboratory tests of input materials and construction mixtures, the technically correct design of pavement structure involves more frequent functional tests of the input materials and mixtures. Our study summarizes findings...
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Junyu Sun, Erwin Oh and Dominic Ek-Leong Ong
The extensive application of natural unbound granular materials (UGMs) motivates studies into the mechanical properties of alternatives such as processed crushed rocks employed commonly as base or subbase layers. The rutting and settlement generated in b...
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Lorena Zichella, Eldho Choorackal, Michela Airoldi, Pier Paolo Riviera, Rossana Bellopede and Ezio Santagata
The research work presented in this paper may be of value for the management of sawing sludge in the context of a circular economy approach. Potential applications may occur in all modern infrastructures in which high-voltage cables are buried in the pav...
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Aditya Kumar Anupam, Praveen Kumar, R.N.G.D. Ransinchung
Pág. 596 - 606
This work presents the laboratory study conducted on fly ash and rice husk ash as soil stabilizers. Using these stabilizers, the deformation behaviors of subgrade soil-mixtures under repeated triaxial loading was conducted. Resilient strain, permanent st...
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Gabriela Hammes and Liseane Padilha Thives
One alternative measure to minimise the stormwater runoff volume and its pollutants and reduce impervious areas is to use permeable pavement. However, due to weak mechanical performance under heavy-load traffic related to fatigue resistance, porous mixtu...
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Kangyu Wang, Zhenhuan Chen, Zhe Wang, Qianshen Chen and Dihui Ma
Calcareous sand is a special marine soil rich in calcium carbonate minerals, characterized by brittle particles. It is, therefore, widely used as a filling material in the construction of islands and reefs. In this study, a series of cyclic tri-axial tes...
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Cesar Hidalgo, Gloria Carvajal, Angela Hincapie, Fredy Muñoz and Mario Hernández
In several countries, brick and ceramic tile are the most important construction materials; therefore, associated waste generation is common in construction and demolitions. An alternative use for waste is to incorporate it into road construction. Howeve...
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Aditia Rojali, Hector R. Fuentes, Carlos M. Chang and Hesham Ali
This study investigates the potential damage to flexible pavements caused by rising groundwater tables resulting from sea-level rise. A case study was conducted in Miami-Dade County, Southeast Florida, a low-lying area at high risk of inundation and risi...
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Julio Cantero-Durango, Rodrigo Polo-Mendoza, Gilberto Martinez-Arguelles and Luis Fuentes
Continuous research efforts have been developed in the literature to raise the sustainability components of the road infrastructure industry, i.e., reduce potential contaminants and augment financial profitability. In this regard, this investigation aims...
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Nyoman Suaryana,Tedi Santo Sofyan
Pág. 36 - 42
Research on the utilization of natural rubber for Hot Mixture Asphalt as modifier has been widely carried out, and more intensively since 2016 due to the declining global natural rubber price. Further research conducted is the utilization of pre-vulcaniz...
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Siksha Swaroopa Kar, Khusboo Arora, ChandraKant Mani, P.K. Jain
Pág. 349 - 358
IS:73-2013 specified four grades of bitumen such as VG-10, VG-20, VG-30 and VG-40. Indian refineries are producing only two grades of paving bitumen such as VG-10 and VG-30, which are not adequate for prevailing climate and traffic conditions of India. R...
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M. Sivakumar, M.V.L.R. Anjaneyulu
Pág. 124 - 133
Fatigue cracking is the significant distress caused due to the repetitive axle loads combined with environmental conditions on flexible pavement surface. Commonly bituminous concrete used as surface course mixes produced with unmodified bitumen a viscoel...
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