Results 11 to 20 of about 2,837 (233)
This research paper deals with experimental characterisation and numerical modelling of the resilient behaviour of Unbound Granular Materials (UGMs) usually used in road construction.
Khaled Sandjak +2 more
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In-Service Performance Evaluation of Flexible Pavement with Lightweight Cellular Concrete Subbase
The objective of engineers to improve the long-term performance of road infrastructure in changing global climate has led to the development of alternate materials for pavement construction.
Abimbola Grace Oyeyi +2 more
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Two unbound granular materials stiffness analysis with staged repeated load CBR test [PDF]
Design methods of flexible pavements in many countries are based on linear elastic behaviour model for Unbound Granular Materials (UGM). In this context, parameters required to characterize an UGM in structural analysis of pavements are Stiffness modulus
Salmi Abdelaziz +2 more
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Long life pavements with recycled concrete in unbound granular layers
The construction of unbound granular layers (UGLs) in pavement construction is mainly based on empiric knowledge of the behaviour of natural aggregates. Is it possible to transfer this behaviour to the performance of recycled materials in UGLs?
Gudrun Golkowski
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Resilient Behaviour of non Standard Unbound Granular Materials [PDF]
The results of experimental work on three non-standard granular materials used in road construction are presented. Small strain precision triaxial tests under cyclic loading and wetting tests were performed on all samples. The materials' state parameters studied included: Los Angeles abrasion coefficient, Plasticity Index, and fines content above ...
Caicedo, Bernardo +3 more
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The performance of unbound base materials, exclusively of the upper base layers, besides compaction level and layer thickness, depends on unbound material type, aggregates shape, fine content and mechanical properties of aggregates.
Vilius Filotenkovas, Audrius Vaitkus
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Modelling the permanent deformation of unbound granular materials in pavements
An existing permanent deformation (PD) model for the unbound granular materials (UGMs) in pavements, developed based on multistage (MS) repeated load triaxial (RLT) tests, was modified to better suit to field conditions and software applications. The model was calibrated for a few UGMs with a series of moisture contents (w) using MS (to include the ...
Mohammad Shafiqur Rahman +2 more
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Behavior of unbound granular materials—part I: isotropic case [PDF]
The paper discusses the modeling of the behavior of unbound granular materials. A representative approach that highlights some salient features of the behavior is proposed. This approach is essentially based on experimental results and the study is extended to the construction of the elastic potential from test results. to complete the analysis, two no-
Bouzidi, Rabah, Coulibaly, L., Jouve, P.
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New shakedown criterion and permanent deformation properties of unbound granular materials
Unbound granular material specifications for road pavements in Australia are primarily based on physical material specification rather than mechanical characterisation.
Ali Alnedawi +2 more
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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
Dusan Stehlik +9 more
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