Results 11 to 20 of about 13,289 (246)

Health Related Studyability-An Approach to Structure Health Promotion Interventions at Universities

open access: yesFrontiers in Public Health, 2021
So far, the only existing prerequisite to enter an academic institution is a specific diploma, like a high school diploma, or another comparable certified document.
Mona Kellner   +3 more
doaj   +1 more source

Investigation on Indices of Workability and Rutting Resistance for Wearing Course Mixtures

open access: yesThe Baltic Journal of Road and Bridge Engineering, 2017
Simple indices easily help to evaluate a performance of hot mix asphalt mixtures. This study aimed to develop a simple workability index and rutting resistance index for wearing course mixtures.
Tran Thanh Nhat, Osamu Takahashi
doaj   +1 more source

Investigation and Preparation of the Plastering Mortar for Autoclaved Aerated Blocks Walls

open access: yesCrystals, 2021
The increase in the use of aerated concrete blocks (AAB) in construction walls has increased the demand for specialized plastering mortar, which should have the characteristics of high water retention, low water absorption, low thermal conductivity and ...
Tao Feng   +4 more
doaj   +1 more source

Restoration of Deteriorated Concrete Columns by Wrapping with an Ecological UHPC

open access: yesProceedings, 2019
Ultra high performance concrete (UHPC) is self-compacting, reaching compressive strength over 200 MPa and flexural strength exceeding 30 MPa material. The used very low W/C ratio and high amount of Portland cement often exceeding 900 kg/m3, addition of ...
Ankit Kothari   +2 more
doaj   +1 more source

Development of Non-Proprietary Ultra-High Performance Concrete Mixtures

open access: yesBuildings, 2022
The development of non-proprietary Ultra-High Performance Concrete (UHPC) is one way to reduce the initial cost of construction. However, workability is a major issue for which such mixtures are not practical in field conditions.
Tawsif Mohammad Hasan   +4 more
doaj   +1 more source

Effect of Morphologically Controlled Hematite Nanoparticles on the Properties of Fly Ash Blended Cement

open access: yesNanomaterials, 2021
Several types of hematite nanoparticles (α-Fe2O3) have been investigated for their effects on the structure and properties of fly ash (FA) blended cement.
Pantharee Kongsat   +3 more
doaj   +1 more source

Mix-design and Properties of Mortars from Alkali-activated Fly Ashes Containing High Amounts of Unburned Carbon Matter

open access: yesInternational Journal of Concrete Structures and Materials, 2020
Alkali-activated materials are a promising type of binder candidate as a substitute to Portland cement. Fly ashes can be used as binder precursors giving higher environmental benefits.
Stefania Manzi   +3 more
doaj   +1 more source

RE-CYCLE OF E-WASTE IN CONCRETE BY PARTIAL REPLACEMENT OF COARSE AGGREGATE [PDF]

open access: yesEngineering Heritage Journal, 2019
A solution for reducing the amount of generated electronic waste in India has become one of a major issue. Globally this problem has taken major part of total solid waste amount.
Kuldeep Rajput,, Abhishek Gupta, Arushi
doaj   +1 more source

Optimising the Workability and Strength of Concrete Modified with Anacardium Occidentale Nutshell Ash

open access: yesFibers, 2021
Strength failure persists both in structural and mechanical analysis. One of its prominent characteristics is the adequate provision for parameters that minimise or maximise strength objectives while satisfying boundary conditions.
Solomon Oyebisi   +5 more
doaj   +1 more source

Workability for persons with chronic diseases. A systematic review of validity and utility of assessments in German language / Valide und praktikable deutschsprachige Assessments zur Erfassung der Arbeitsfähigkeit bei Menschen mit chronischen Erkrankungen – eine systematische Review

open access: yesInternational Journal of Health Professions, 2018
People with chronic diseases are often limited in their workability. Evaluating and enabling workability is central in rehabilitation. The aim of this study was to evaluate validity and utility of workability assessments in German for persons with ...
Friedli Thomas   +2 more
doaj   +1 more source

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