Results 21 to 30 of about 929,987 (277)

Assessment of environmental impact of coarse aggregates substitution by crushed pavements in concrete mixtures [PDF]

open access: yesMATEC Web of Conferences, 2020
Inefficient use of end-of-life materials in combination with depletion of primary sources can be understood as a significant factor that motivates to effective waste material recycling and reuse.
Kočí Jan   +3 more
doaj   +1 more source

Optimization of Mixture Proportions for Concrete Pavements—Influence of Supplementary Cementitious Materials, Paste Content and Aggregate Gradation [PDF]

open access: yes, 2012
The ultimate goals of this study included investigation of the optimal ranges for paste content, amount of cementations materials and aggregate gradation for concrete paving mixtures.
Rudy, Adam, Olek, Jan
core   +1 more source

Laboratory Evaluation of Tensile Creep Behavior of Concrete at Early Ages

open access: yesApplied Sciences
Short-term uniaxial tensile creep tests were conducted for early-age concrete at different ages in an effort to characterize early-age concrete as an aging viscoelastic material. Based on the test results, the viscoelastic material properties of the test
Seungwook Lim, Sungchul Yang
doaj   +1 more source

Increasing of resistance and durability of asphalt concrete pavements on highways and highway bridges using reinforcing synthetic materials ADFORS GLASGRID [PDF]

open access: yesДороги і мости
Introduction. One of the most common defects in the asphalt concrete pavements of highways and highway bridges that arise during their operation is the formation of ruts.
Artur Onyshchenko
doaj   +1 more source

Deterioration of modern concrete structures and asphalt pavements by respiratory action and trace quantities of organic matter.

open access: yesPLoS ONE, 2021
In concrete structures (concrete), damage from cracks, deterioration, amorphization, and delamination occur in some structures, causing disaggregation (concrete changed to very fine particles) and hollowing out of the concrete.
Akihiro Moriyoshi   +5 more
doaj   +1 more source

Effectiveness of Dowels in Concrete Pavement [PDF]

open access: yesMaterials, 2019
Dowels are located in transverse joints of Jointed Plain Concrete Pavements (JPCP) and they are used to provide load transfer between individual slabs, reduce faulting and improve performance. Dowels and the concrete itself are under the highest stress in the vicinity of joints; thus, in terms of pavement design, the joints are the weakest points of ...
Jiri Grosek   +2 more
openaire   +2 more sources

Recycling of concrete pavements – assessment criteria for load-bearing capacity

open access: yesRoads and Bridges
The article outlines the development of concrete road pavements in Poland and the experiences related to the recycling of such pavements constructed in the 1930s. It presents typical damage to concrete pavements and describes a method for the evaluation
Antoni Szydło
doaj   +1 more source

Porous Concrete for Pedestrian Pavements [PDF]

open access: yesWater, 2019
Changes in weather patterns directly impact urban transport infrastructures. The increase in temperature and the ongoing precipitation changes should be handled and managed more frequently. In urban areas, most of the soil is impermeable and water hardly infiltrates into the subsoil. Permeable pavement is a technology that helps mitigate the effects of
Moretti, Laura   +2 more
openaire   +1 more source

The Albedo of Pervious Cement Concrete Linearly Decreases with Porosity

open access: yesAdvances in Materials Science and Engineering, 2015
Pervious pavements have been advocated as a potential countermeasure to the urban heat island effect. To understand if pervious pavements stay cooler than conventional pavements, the albedo of the pervious concrete must be understood. This study measured
Rui Zhang, Guosheng Jiang, Jia Liang
doaj   +1 more source

Theoretical Prerequisites for Strengthening Micro-Structure of Surface Layer in Road Concrete Pavement by Colloid Material

open access: yesНаука и техника, 2018
Assuming that there are perpetual roads solution of the problem pertaining to strength and longevity of road concrete pavements are mainly determined by theoretical prerequisites which are considered as basic ones in technology for strengthening micro ...
M. K. Pshembaev, Ya. N. Kovalev
doaj   +1 more source

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