Results 41 to 50 of about 116,935 (246)

Recent developments in reactivity testing of supplementary cementitious materials

RILEM Technical Letters, 2021
Identification and rapid characterization of novel supplementary cementitious materials (SCMs) is a critical need, driven by shortfalls in conventional SCMs. In this study, we present a discussion of recently developed reactivity tests – the R3 test, the
Prannoy Suraneni
doaj   +1 more source

Sustainable infrastructure development through use of calcined excavated waste clay as a supplementary cementitious material [PDF]

, 2017
Major infrastructure development projects in London produce large quantities of London clay and use significant volumes of concrete. Portland cement (CEM I) in concrete is normally partially replaced by supplementary cementitious materials such as ground
Cheeseman, Christopher, Tyrer, Mark, Wang, Richard, Wong, Hong, Zhou, Ding   +4 more
core   +1 more source

Calcium oxychloride formation in pastes containing supplementary cementitious materials: Thoughts on the role of cement and supplementary cementitious materials reactivity

RILEM Technical Letters, 2016
Over the last decade many concrete pavements in North America have begun to show excessive damage at the joints. This damage appears to be due to two primary causes: classic freeze-thaw damage due to local saturation caused by the pooling of water at the
Prannoy Suraneni, Vahid Jafari Azad, Burkan O. Isgor, William Jason Weiss   +3 more
doaj   +1 more source

Effect of Graphene Oxide Nanosheets on Physical Properties of Ultra-High-Performance Concrete with High Volume Supplementary Cementitious Materials [PDF]

, 2020
Nanomaterials have been increasingly employed for improving the mechanical properties and durability of ultra-high-performance concrete (UHPC) with high volume supplementary cementitious materials (SCMs).
Lambert, Paul, Liu, Changjiang, Wu, Yu-You, Zhang, Jing, Zheng, Zhoulian   +4 more
core   +1 more source

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

, 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.
Olek, Jan, Rudy, Adam
core   +2 more sources

Autogenous shrinkage of low water-binder ratio cement pastes with supplementary cementitious materials [PDF]

, 2016
High-performance cementitious materials are sensitive to early age cracking, mainly due to the large magnitude of autogenous shrinkage, which is closely related to the internal relative humidity (RH) decrease and capillary pressure induced by self ...
De Schutter, Geert, Huang, H, Lyu, Yang, Ye, Guang   +3 more
core   +2 more sources

Use of Treated Non-Ferrous Metallurgical Slags as Supplementary Cementitious Materials in Cementitious Mixtures

Applied Sciences, 2021
This research investigated the possibility of using metallurgical slags from the copper and lead industries as partial replacement for cement. The studied slags were fayalitic, having a mainly ferro-silicate composition with minor contents of Al2O3 and ...
Asghar Gholizadeh Vayghan, Liesbeth Horckmans, Ruben Snellings, Arne Peys, Priscilla Teck, Jürgen Maier, Bernd Friedrich, Katarzyna Klejnowska   +7 more
doaj   +1 more source

Synthesis of a New Polycarboxylate at Room Temperature and Its Influence on the Properties of Cement Pastes with Different Supplementary Cementitious Materials

Advances in Civil Engineering, 2020
Three polycarboxylates with different comb structures (i.e., the same degree of polymerization in side chains but different main chains) were synthesized via radical polymerization reaction at room temperature.
Shuncheng Xiang, Yingli Gao, Caijun Shi
doaj   +1 more source

Influence of sand grain size distribution and supplementary cementitious materials on the compressive strength of ultrahigh-performance concrete

Case Studies in Construction Materials, 2022
ultrahigh-performance concrete is a type of advanced concrete that can improve the resilience and durability of concrete structures. The utilization of available supplementary cementitious materials is a critical step in saving energy and materials, as ...
Bassam A. Tayeh, Mahmoud H. Akeed, Shaker Qaidi, B.H. Abu Bakar   +3 more
doaj   +1 more source

Assessing the effects of supplementary cementitious materials on concrete properties:a review

Discover Civil Engineering
Sustainability has become an increasingly important goal, especially in developing countries where the focus is on protecting the environment and improving public health.
Almotaseembillah Ahmed
semanticscholar   +1 more source