Results 241 to 250 of about 3,564,979 (275)
A Novel Sphingan Containing Enriched Guluronic Acid Residues and Its Hydrogel Properties. [PDF]
Polymers (Basel)Huang H, Lu Y, Tao W, Li C, Lin J, Li S.
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Integrated cold resistance subgrade system utilizing oil shale waste and XPS insulation for sustainable infrastructure in seasonal frozen regions. [PDF]
Sci RepHan L, Gao Y.
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Predicting the Resilient Modulus of Asphalt Concrete from the Dynamic Modulus
Transportation Research Record: Journal of the Transportation Research Board, 2007 The NCHRP 1-37A Guide for Mechanistic-Empirical Design of New and Rehabilitated Design Structures introduces the dynamic modulus as the material property to characterize asphalt concrete. This is a significant change from the resilient modulus used in the previous AASHTO pavement design guide. This paper presents an analytical method of calculating the
Andrew Lacroix +2 more
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Resilient Modulus and Dynamic Modulus of Warm Mix Asphalt
GeoCongress 2008, 2008 Warm Mix Asphalt (WMA) is produced at temperatures in the range of 30uF to 100uF (17uC to 56uC) lower than the traditional hot mix asphalt (HMA). It has a number of benefits including reducing energy consumption, emissions from burning fuels, and volatiles generated from the heated asphalt binder at the production plant at the paving site.
Shu Wei Goh, Zhanping You
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Transportation Research Record: Journal of the Transportation Research Board, 2006 With the current trend toward developing mechanistic flexible pavement design and the need for more reliable design procedures, accurate characterization of hot-mix asphalt (HMA) properties is needed. Resilient and dynamic modulus tests were performed at five temperatures on two typical mixes used in the Commonwealth of Virginia to compare the test ...
Amara Loulizi +3 more
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Construction and Building Materials, 2018
Abstract The vertical compressive stress pulse distributions at various asphalt pavement depths can be represented as square loading, haversine loading and bell-shaped loading. This study aims in comparing the effects of bell-shaped loading and haversine loading on the dynamic modulus and resilient modulus of asphalt mixtures.
Rong Luo, Pan Pan
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Abstract The vertical compressive stress pulse distributions at various asphalt pavement depths can be represented as square loading, haversine loading and bell-shaped loading. This study aims in comparing the effects of bell-shaped loading and haversine loading on the dynamic modulus and resilient modulus of asphalt mixtures.
Rong Luo, Pan Pan
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The Use of Dynamic Cone Penetrometer to Predict Resilient Modulus of Subgrade Soils
Advances in Pavement Engineering, 2005 The resilient modulus is used in the characterization of base and subgrade soils and in the design of pavement structures. The resilient modulus of subgrade soils can be estimated by using expensive and time-consuming laboratory test results or from overestimated backcalculated values from nondestructive test results.
Ananda Herath +4 more
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Revisiting the Relationship of Dynamic and Resilient Modulus Test for Asphaltic Concrete Mixtures
Construction and Building Materials, 2018Mechanistic-Empirical Pavement Design is considered relatively more effective than conventional empirical design for excessive tyre pressure exerted by axle load spectra and diverse environmental conditions. Many highway agencies are adopting a paradigm shift to Mechanistic-Empirical pavement design practices, obsoleting huge inventories of resilient ...
Muhammad Irfan, Imran Hafeez, Yasir Ali
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Journal of Central South University, 2020
Although the dynamic properties of subgrade soils in seasonally frozen areas have already been studied, few researchers have considered the influence of shallow groundwater during the freeze-thaw (F-T) cycles. So a multifunctional F-T cycle system was developed to imitate the groundwater recharge in the subgrade during the freezing process and a large ...
Yang Zhao, Yahui Duan, Zheng Lu
exaly +2 more sources
Although the dynamic properties of subgrade soils in seasonally frozen areas have already been studied, few researchers have considered the influence of shallow groundwater during the freeze-thaw (F-T) cycles. So a multifunctional F-T cycle system was developed to imitate the groundwater recharge in the subgrade during the freezing process and a large ...
Yang Zhao, Yahui Duan, Zheng Lu
exaly +2 more sources
Applied Mechanics and Materials, 2014
The matric suctions were measured by the filter paper method, and the parameters of soil-water characteristic curve were obtained. In order to investigate the effect of moisture content on cohesive subgrade soils dynamic resilient modulus, a series of dynamic-triaxial test were carried out.
Zhi Yong Li, Jing Rong Zou
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The matric suctions were measured by the filter paper method, and the parameters of soil-water characteristic curve were obtained. In order to investigate the effect of moisture content on cohesive subgrade soils dynamic resilient modulus, a series of dynamic-triaxial test were carried out.
Zhi Yong Li, Jing Rong Zou
exaly +2 more sources