Results 101 to 110 of about 106,905 (254)

Monitoring the reduction in shrinkage cracking of mortars containing superabsorbent polymers [PDF]

, 2017
Ultra-high performance concrete (UHPC) is characterized by a low water-to-cement ratio, leading to improved durability and mechanical properties. However, the risk for autogenous shrinkage and cracking due to restrained shrinkage increases, which may ...
Aggelis, Dimitrios G., De Belie, Nele, De Boe, Emanuel, Lefever, Gerlinde, Snoeck, Didier, Van Hemelrijck, Danny   +5 more
core  

The microstructural and thermal characteristics of silica nanoparticle-modified cement mortars after exposure to high temperatures. Part II

, 2020
Paweł Sikora
openalex   +1 more source

The Behaviour of Finely Ground Bottom Ash in Portland Cement

, 2009
The aim of this project was to assess the effects of finely ground MSWI bottom ash in Portland cement. Mortar mixes were prepared with 10% and 40% replacement of cement by ground IBA and then tested with regards to their material composition and ...
Black, L, Li, Q, Li, S, Taylor, R, Whittaker, M   +4 more
core  

Impact of super absorbent polymers on early age behavior of ultra-high performance concrete walls [PDF]

, 2019
Early age cracking, a common problem for Ultra-High Performance Concrete (UHPC), is caused by Autogenous Shrinkage (AS) and self-desiccation arising from the chemical shrinkage during the cement hydration reactions when the deformation is restrained ...
De Belie, Nele, De Meyst, Laurence, Hammer, T.A., Hilloulin, B., Kheir, Judy, Klausen, A., Loukili, A., Tenório Filho, José Roberto   +7 more
core  

Feasibility Study of Magnesium Slag, Fly Ash, and Metakaolin to Replace Part of Cement as Cementitious Materials

Buildings
To achieve the efficient utilization of magnesium slag, this study investigates the use of magnesium slag, fly ash, and metakaolin as partial substitutes for cement in cementitious materials.
Fulu Wei, Hairong Xiao, Jia Zhang, Zhenqing He, Xuanhao Cao, Bowen Guan   +5 more
doaj   +1 more source

Recycling Thermally Deactivated Asbestos-Cement  in Mortar: A Possible Route Towards a Rapid Conclusion of the “Asbestos Problem”

, 2023
Giancarlo Capitani, Michele Dalpiaz, Fabrizio Vergani, Fabrizio Campanale, Stefano Odorizzi, Roberto Conconi   +5 more
openalex   +1 more source

Quality of type I Portland cement from Ghana and UK [PDF]

, 2015
Type I Portland cement is general purpose cement found in many countries and it is manufactured by different companies. This study sought to compare the properties of Type I Portland cements from Ghana (less economically developed country) and United ...
Boateng, Isaac, Danso, Humphrey
core   +2 more sources

Influence of Pulverized Lightweight Pumice Fine Aggregate on the Cement Mortar’s Dry Shrinkage

Journal of Engineering
The use of lightweight aggregates in cement concrete manufacturing solves the issue of drying shrinkage over the concrete's life span; nevertheless, the use of artificial lightweight sand may increase this issue in the cement mortar. This research looks
Ferhad Rahim Karim
doaj   +1 more source

Influence of Mortar Rheology on Aggregate Settlement [PDF]

, 2000
The influence of the rheology of fresh concrete on the settlement of aggregate is examined. Fresh concrete exhibits a yield stress that, under certain conditions, prevents the settlement of coarse aggregate, although its density is larger than that of ...
Gadala-Maria, Francis, Harries, Kent A., Kolli, Venkata Giri, Petrou, Michael F., Wan, Baolin   +4 more
core   +1 more source

Multi-criteria analysis of the mechanism of degradation of Portland cement based mortars exposed to external sulphate attack

, 2012
R. El-Hachem, Emmanuel Rozière, Frédéric Grondin, Ahmed Loukili   +3 more
openalex   +2 more sources