Results 1 to 10 of about 49,103 (280)
External sulfate attack in dam concretes with thaumasite formation [PDF]
Materiales de Construccion, 2015 Concrete core samples extracted from different areas of the Mequinenza Dam (Spain) have been studied and expansive reactions affecting the structure were not found.
S. Chinchón-Payá +3 more
doaj +10 more sources
Reliability assessment of concrete under external sulfate attack
Case Studies in Construction Materials, 2021 The variability in characteristics of concrete material, such as pore size and chemical composition, has significant impact on the long-term performance of concrete structures under sulfate attack.
Dandan Sun +4 more
doaj +3 more sources
Damage modelling in concrete subject to sulfate attack [PDF]
Fracture and Structural Integrity, 2014 In this paper, we consider the mechanical effect of the sulfate attack on concrete. The durability analysis of concrete structures in contact to external sulfate solutions requires the definition of a proper diffusion-reaction model, for the ...
N. Cefis, C. Comi
doaj +7 more sources
Effect of External Sulfate Attack on Self Compacted Concrete [PDF]
Engineering and Technology Journal, 2013 Self-compacting concrete (SCC) is an innovative concrete that does not require vibration for placing and compaction. It is able to flow under its own weight, completely filling formwork and achieving full compaction, even in the presence of congested ...
Zena K. Abbas Al-Anbori
doaj +2 more sources
Crack Propagation in Cement Mortar Exposed to External Sulfate Attack [PDF]
Engineering and Technology Journal, 2017 This study displays experimental investigation to find out the effect of the external sulfate attack on crack propagation in cement mortar cubes exposed to two sulfate solutions.
M.H. Abedalrazzaq
doaj +2 more sources
EFFECT OF EXTERNAL SULPHATES ON PROPERTIES OF LIME-POZOLANA CONCRETE [PDF]
Journal of Engineering and Sustainable Development, 2019 This study aims to evaluate the resistance of Lime-Pozzolana concrete mixtures to external sulfate attack, represented by studying their effect on compressive strength, splitting tensile strength, dynamic modulus of elasticity, and weight loss.
Tareq Saleh Al-Attar +2 more
doaj +3 more sources
Journal of Materials Research and Technology, 2021 Deterioration process of high belite cement (HBC) paste with and without 30 wt.% fly ash, when exposed to sulfate attack, calcium leaching and the dual actions, was investigated by mass loss, expansion rate, porosity, corrosion depth, compressive ...
Chunmeng Jiang +4 more
doaj +1 more source
Time-dependent mechanical behavior of tunnel linings under sulfate attack
Yantu gongcheng xuebao, 2021 The chemical-mechanical coupling effect of tunnel lining concrete under sulfate attack will lead to the degradation of its mechanical properties, and the degradation law is affected by many factors.
HE Wen-zheng 1, 2, XU Lin-sheng 1
doaj +1 more source
Materiales de Construccion, 2020 The effect of recycled concrete aggregate (RCA) on concrete performance against external sulfate attack (ESA) is not yet fully known. In this paper, recycled aggregate concretes (RAC) with 0, 50, 75 and 100% of RCA contents were evaluated after 10 years ...
L. R. Santillán +3 more
doaj +1 more source
Results in Physics, 2017 In this study, the effects of micro-silica (MS), nano-silica (NS), class C fly ash (FA), and metakaolin (MK) on the durability and mechanical properties of mortars exposed to internal and external sulfate attacks were investigated.
Hasan Şahan Arel +1 more
doaj +1 more source