نتایج جستجو برای: concrete pavements

تعداد نتایج: 77735  

Journal: :civil engineering infrastructures journal 0
hasan taherkhani assistant professor, civil engineering department, university of zanjan, zanjan, iran

the performance of asphaltic pavements during their service life is highly dependent on the mechanical properties of the asphaltic layers. therefore, in order to extend their service life, scientists and engineers are constantly trying to improve the mechanical properties of the asphaltic mixtures. one common method of improving the performance of asphaltic mixtures is using different types of ...

Journal: :Open Journal of Civil Engineering 2023

Asphalt concrete pavements in hot and dry climates deteriorate prematurely some time after their construction. This degradation is accelerated under the effect of heavy vehicle traffic pressure high temperatures bitumen has softened. A study was conducted on RN1 Burkina Faso order to analyze evolution temperature process asphalt pavements. It consisted one hand recording at different points ins...

2017
M. Birkan Bayrak Kasthurirangan Gopalakrishnan Halil Ceylan M. B. Bayrak K. Gopalakrishnan H. Ceylan

Heavy Weight Deflectometer (HWD) tests were routinely conducted on three Portland Cement Concrete (PCC) test items in the Federal Aviation Administration’s (FAA's) National Airport Pavement Test Facility (NAPTF) to verify the uniformity of the test pavement structures and to measure pavement responses during full-scale traffic testing. A six-wheel aircraft landing gear with dual-tridem configur...

Journal: :Environmental Science and Pollution Research 2021

Pavements in urban area absorb more sunlight due to the canyon-like geomorphology of geometry and store heat great thermal bulk properties concrete. Heat released from pavements warms up air, contributing island. Recently, uses cool reduce pavement temperature as an island mitigation have gained momentum. Understanding solar insolation a is important adopt right option for place. This study mea...

Journal: :نشریه دانشکده فنی 0
امیر محمد طباطبایی

this paper is a state-of-the-art in sulphur-asphalt (sa) design technology based on a comprehensive analysis of current practice and technical literature, in order to investigate the possible use of sa pavements in iran. in this paper, the major aspects(material, technology, properties, production, placement, quality assurance, design, and field varification) of sa pavements are considered. fer...

2014
Floris Boogaard Terry Lucke Nick van de Giesen Frans van de Ven

Permeable pavements are a type of sustainable urban drainage system (SUDS) technique that are used around the world to infiltrate and treat urban stormwater runoff and to minimize runoff volumes. Urban stormwater runoff contains significant concentrations of suspended sediments that can cause clogging and reduce the infiltration capacity and effectiveness of permeable pavements. It is important...

2014
Huaping Wang Wanqiu Liu Jianping He Xiaoying Xing Dandan Cao Xipeng Gao Xiaowei Hao Hongwei Cheng Zhi Zhou

Pavements always play a predominant role in transportation. Health monitoring of pavements is becoming more and more significant, as frequently suffering from cracks, rutting, and slippage renders them prematurely out of service. Effective and reliable sensing elements are thus in high demand to make prognosis on the mechanical properties and occurrence of damage to pavements. Therefore, in thi...

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