Water Influence on Mechanical Behaviour of Pavements: Experimental Investigation

Cekerevac, C.; Baltzer, S; Charlier, Robert; Chazallon, Cyrille; Erlingsson, S; Gajewska, Beata; Huard, Pierre; Kraszewski, Cezary; Pavšič, Primož

doi:10.1007/978-1-4020-8562-8_10

Cited by 4 publications

(3 citation statements)

References 11 publications

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“…samples with e 0 = 0.32). These results appear to be consistent with the observations of Davis (1949), Sivakumar et al (2002), Sánchez-Leal (2002), Ampadu (2007), Cekerevac et al (2009), andPurwana et al (2012) for the variation of CBR with water content in incompressible geomaterials.…”

Section: Influence Of Initial Compactionsupporting

confidence: 95%

“…The extensive amount of past research on the CBR of saturated soils led to the development of standards such as ASTM D1883 (ASTM D1883-07e2, 2007) or AASHTO T193 (AASHTO T193-10, 2010) for the determination of CBR in saturated geomaterials. In unsaturated soils, many of the experimental observations such as the early contributions of Davis (1949) or Black (1962) or the recent studies of Sánchez-Leal (2002) or Cekerevac et al (2009) were mainly confined to examine the influence of soil moisture content (ω) on CBR. Additionally, efforts were carried out to investigate the variation of CBR with respect to the matrix suction or the degree of saturation of the soil.…”

Section: Introductionmentioning

confidence: 99%

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California bearing ratio of an unsaturated deformable pavement material along drying and wetting paths

Mirzaii

Negahban

2015

Road Materials and Pavement Design

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This article presents the results of a careful laboratory programme aimed to examine the influence of initial dry density, moisture content, degree of saturation, and matrix suction on the California bearing ratio (CBR) of a pavement material along drying and wetting paths. To this end, the CBR value of a sand-kaolin mixture was measured in a range of initial void ratios and initial water contents along drying and wetting portions of the soil-water characteristic curve (SWCC). Wetting CBR tests were performed on the soil samples that were compacted and wetted to different dry densities and water contents. For drying tests, soil samples were prepared identically to the soil samples used in wetting tests, but after the compaction, they were desaturated by using the air-drying technique. The general trends observed are discussed and are compared in relation to some available data in the literature. Additionally, the experimental data appeared to show a distinction in the response of CBR along drying and wetting paths. The hysteretic detected response of CBR was discussed with relation to the hysteretic nature of the SWCC.

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Section: Influence Of Initial Compactionsupporting

confidence: 95%

Section: Introductionmentioning

confidence: 99%

California bearing ratio of an unsaturated deformable pavement material along drying and wetting paths

Mirzaii

Negahban

2015

Road Materials and Pavement Design

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“…This type of fines content criteria aims to avoid capillary suction of water through the aggregate and to avoid loss of stability due to excess water, especially during thawing periods. Moisture sensitivity in unbound aggregates is strongly related to mineralogy (Cekerevac et al 2009). Hauck (1989) suggested that the mineral composition of fines should be taken into account in addition to the amount of fines, based on tests showing that aggregates containing mica have lower bearing capacity.…”

Section: Grading and Fines Contentmentioning

confidence: 99%

Large-size aggregates for road construction—a review of standard specifications and test methods

Fladvad

Ulvik

2019

Bull Eng Geol Environ

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Construction aggregates are essential structural components in road structures, whether in unbound form or combined with cement or bitumen. Specifications and test methods for aggregates are standardised, but current standards are limited concerning the maximal aggregate size for which they apply. This paper deals with standard specifications and test methods for large-size road construction aggregates, reviewing a new Norwegian national standard for large-size aggregates. The standard test methods and their validity and applicability for use on large-size aggregates for road construction are evaluated. The differentiation between requirements regarding the rock material (single rocks) and the aggregate product is specifically discussed, as is the specific challenges related to the use of all-in aggregates. Current standards for construction aggregates do not cover all challenges related to description and quality assessment of construction aggregates. Quality assessment is particularly challenging for large-size aggregates, and this topic needs a better description by international standards. Field methods and digital image processing are introduced as solutions for some of the practical challenges related to sampling for large-size aggregates. The new Norwegian standard could be the first step towards a European standard for large-size aggregates.

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Evaluation of Subgrade Resilient Modulus from Unsaturated CBR Test

Ikechukwu

Hassan

Moubarak

2018

Novel Issues on Unsaturated Soil Mechanics and Rock Engineering

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Water Influence on Mechanical Behaviour of Pavements: Experimental Investigation

Cited by 4 publications

References 11 publications

California bearing ratio of an unsaturated deformable pavement material along drying and wetting paths

California bearing ratio of an unsaturated deformable pavement material along drying and wetting paths

Large-size aggregates for road construction—a review of standard specifications and test methods

Evaluation of Subgrade Resilient Modulus from Unsaturated CBR Test

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