Results 31 to 40 of about 364,055 (260)

Workability and durability analysis of waste based geopolymer concrete

open access: yesJurnal Ilmiah SINERGI, 2023
GPC as a promising material, started gaining momentous attention from the researchers and construction specialists because of its advantages in using by-products from agriculture and industries to replace cement thereby reducing greenhouse gas emission ...
Lucia Omolayo Agashua   +3 more
doaj   +1 more source

A Review: Progress in Molecular Dynamics Simulation of Portland Cement (Geopolymer)—Based Composites and the Interface between These Matrices and Reinforced Material

open access: yesBuildings, 2023
Molecular dynamics (MD) is an important method for studying the molecular and atomic scale of cement (geopolymer)-based composites which provides an effective method for the optimal design of cementitious materials.
Li Li   +5 more
doaj   +1 more source

Comparative evaluation of shear bond strength and microleakage of tricalcium silicate-based restorative material and radioopaque posterior glass ionomer restorative cement in primary and permanent teeth: An in vitro study

open access: yesJournal of Indian Society of Pedodontics and Preventive Dentistry, 2014
Background: Restoration of carious primary molars is still a major concern while treating the young children that too in deep carious lesion which extends below the cemento-enamel junction (CEJ) where pulp protection and achieving adequate marginal seal ...
Vignesh Guptha Raju   +5 more
doaj   +1 more source

Preparation and Properties of Double Liquid Grouting Materials (DLGMs) Used for the Regenerated Roof of a Coal Mine

open access: yesBuildings, 2023
Double liquid grouting materials (DLGMs) are composed of slurry A and slurry B. In response to the need for sustainable development, there is currently a focus on improving the utilization rate of resources. In this paper, industrial solid waste fly ash,
Aiguo Wang   +8 more
doaj   +1 more source

Rheological study of interactions between MHEC and superplasticizers in aqueous solutions for applications in cement industry [PDF]

open access: yes, 2011
Innovative cement-based materials are characterized today by rather complex formulations. In particular, when cement pastes are considered, their formulation generally includes two different types of polymers: a rheology modifier (RM) (typically a ...
Nicodemi, Fabio
core   +1 more source

Experimental study of water-soluble vegetable gum-modified cement-sodium silicate plugging materials

open access: yesYantu gongcheng xuebao, 2020
Karst areas are well developed in Southwest China, and karst hydrodynamic disasters have a great impact on underground engineering construction. In order to solve the problems of low slurry retention rate of cement-sodium silicate plugging materials, the
LI Zhao-feng , GAO Yi-fan , ZHANG Jian , QI Yan-hai , WANG Yan-sheng , LIU Chao
doaj   +1 more source

Effect of thickness, cement shade, and coffee thermocycling on the optical properties of zirconia reinforced lithium silicate ceramic. [PDF]

open access: yes, 2021
OBJECTIVE To investigate the effect of thickness, cement shade, and coffee thermocycling (CTC) on the optical properties of zirconia reinforced lithium silicate (ZLS) paired with different shades of a resin cement.
Kashkari, Afnan   +12 more
core   +2 more sources

Direct pulp capping of primary molars using a novel fast-setting calcium silicate cement: a randomized clinical trial with 12-month follow-up

open access: yesBiomaterial Investigations in Dentistry, 2019
Objective: Novel fast-setting calcium silicate cement with fluoride (Protooth) has been developed for potential applications in tooth crowns. The aim of this study was to evaluate the success rate of direct pulp capping in primary molars using two-layer ...
Ali Vafaei   +4 more
doaj   +1 more source

Physicochemical and Biological Properties of Mg-Doped Calcium Silicate Endodontic Cement

open access: yes, 2021
Calcium silicate-based cement has been widely used for endodontic repair. However, it has a long setting time and needs to shorten setting time. This study investigated the effects of magnesium (Mg) ion on the setting reaction, mechanical properties, and
Kyung-Hyeon Yoo   +2 more
core   +1 more source

Study on the effect of alkali activated slag cement solidification on dredging sediment [PDF]

open access: yesE3S Web of Conferences
The massive dredging of silt and soft soil has caused serious environmental problems. Carrying out the resource utilization of silt can turn waste into treasure, improve the utilization rate of solid waste, and achieve the goal of energy conservation ...
Xu Yanping, Li An, Fan Zhihong
doaj   +1 more source

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