Results 81 to 90 of about 552,793 (295)

Potential of enhancing the joint of adjacent cement composites by incorporating edge-oxidized graphene oxide

open access: yesCase Studies in Construction Materials
This study aims to investigate the effect of adding Edge-Oxidized Graphene Oxide (EOGO) to cement paste to enhance its bonding to different cement materials (cement mortar in this study).
Mohammad Khawaji, Mohammed Alamri
doaj   +1 more source

Effect of nanofibrillar cellulose on the cement paste setting kinetics [PDF]

open access: yesНанотехнологии в строительстве
Introduction. The study addresses the effect of nanofibrillar cellulose (NFC) on the setting process of cement paste during the first hours of gauging. A brief justification of the research topic relevance is given.
Yury V. Pukharenko   +2 more
doaj   +1 more source

Properties of 3D-printed fiber-reinforced Portland cement paste

open access: yes, 2017
First insights into a 3D-printed composite of Portland cement paste and reinforcing short fibers (carbon, glass and basalt fibers, 3–6 mm) are presented, resulting in novel materials that exhibit high flexural (up to 30 MPa) and compressive strength (up ...
Manuel Hambach, D. Volkmer
semanticscholar   +1 more source

Similar Material Simulation Study on Dam Movement and Deformation Law of Deep Coal Seam Mining Under Dam

open access: yesEnergy Science &Engineering, EarlyView.
Aiming at the difficulties in accurately calculating the movement and deformation of small‐sized, deep‐buried dams with a significant height‐to‐depth ratio in deep fully mechanized caving mining, this study proposes to separate the analysis of surface and dam deformation.
Zhang Feng   +7 more
wiley   +1 more source

Mechanical plaque removal in step‐1 of care

open access: yesPeriodontology 2000, EarlyView., 2023
Abstract Maintaining a regular oral hygiene routine is essential for taking care of our mouths, ensuring healthy teeth, and achieving fresh breath. Patient education on oral hygiene is an important component of their overall treatment. Firstly, patients should be informed about the direct connection between bacteria in dental plaque and oral diseases ...
G. A. (Fridus) Van der Weijden   +1 more
wiley   +1 more source

Stress Redistribution Mechanisms and Subsidence Control of Fluidized Gangue Backfilling in Underground Coal Mining: Integrated Experimental and Numerical Investigation

open access: yesEnergy Science &Engineering, EarlyView.
Fluidized gangue backfilling controls mining subsidence through stress redistribution in composite backfill‐pillar systems, reducing surface settlement and stress concentrations. Multi‐scale experimental and numerical analysis provides quantitative design parameters for optimizing ground control in sustainable underground coal mining operations ...
Weilong Zhang   +11 more
wiley   +1 more source

Mechanisms of internal curing water release from retentive and non-retentive superabsorbent polymers in cement paste

open access: yes, 2021
Peihua Zhong   +5 more
semanticscholar   +1 more source

Clinical and research applications of synthetic bone substitutes in equine veterinary medicine: A systematic review

open access: yesEquine Veterinary Journal, EarlyView.
Abstract Background Bone grafting in equine medicine offers a promising contribution to treating orthopaedic developmental diseases and chondral, osteochondral and segmental bone defects. Among grafts, synthetic bone substitutes—alloplastics—show favourable biological properties addressing numerous limitations presented by autografts, xenografts and ...
Katarzyna Skierbiszewska   +6 more
wiley   +1 more source

Queer configurations: The female divine, regional identity, and Queer‐religious belonging in South India

open access: yesFeminist Anthropology, EarlyView.
Abstract This article explores how queerness and religion intersect in a unique enactment of Bathukamma, a flower festival honoring the female divine in Hyderabad, the capital of the South Indian state of Telangana. Drawing on theories of figuration, I analyze how local queer organizations celebrate the festival in a way that engages two distinctive ...
Stefan Binder
wiley   +1 more source

HYDRATION PROCESS AND MECHANICAL PROPERTIES OF CEMENT PASTE WITH RECYCLED CONCRETE POWDER AND SILICA SAND POWDER

open access: yesActa Polytechnica CTU Proceedings, 2017
Recycled concrete powder (RCP) mostly consisting of cement paste could be reused as partial cement replacement. The aim of this paper is to compare hydration and mechanical properties of RCP and two types of silica sand powder (SSP).
Jaroslav Topič, Zdeněk Prošek
doaj   +1 more source

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