Results 91 to 100 of about 81,897 (314)
Freeze/thaw protection of concrete with optimum rubber crumb content [PDF]
, 2012 This research looks at utilising an optimum quantity of rubber crumb as an air entraining ad-mixture in concrete, thus providing maximum freeze-thaw protection and maximum strength.
Kathryn A. Coventry +5 more
core +1 more source
e-GFOS, 2019 In this study, a comparison of the strength and durability of concrete with sulfate-resistant cement and cement with pozzolana additive was performed.
Sergii Kroviakov +3 more
doaj +1 more source
Prospective LCA of E‐Methanol Along the Transformation of Steel Industry
Chemie Ingenieur Technik, EarlyView.The environmental effects of change in steel production route on e‐methanol production are analyzed as they shift from blast furnace route to direct reduction route. Specific hydrogen demand reduces, as do the avoided CO2 emissions. E‐methanol's overall carbon footprint stays in a narrow range of −1 to −1.1 kg‐CO2‐eq./kg‐methanol.
Ankur Gaikwad
wiley +1 more source
Impact resistance of concrete – using slit rubber from tyres
, 2015 This paper examines recycled tyre rubber, which was machine cut into slits and these were added to Portland cement concrete mixes in different percentages, based on specimen volume. They were then tested to determine the impact performance of each mix in
Diaz, Eli +2 more
core
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT Recent scholarship shows growing interest in the circular economy (CE) approach, which promotes resource‐efficient, community‐friendly activities. However, scientific evidence is still needed on the synergies and trade‐offs between CE and community development (CD).
Michael Odei Erdiaw‐Kwasie +6 more
wiley +1 more source
Acta Scientiae et Technicae, 2014 In this work, a Geopolymeric Cement Concrete (GCC) was developed through adequate portions of geopolymer components. Its characteristics were compared with Portland Cement Concrete (PCC), through of the establishment of some parameters of design, as consumption of binders, water/aggregates ratio and mortar content.
Alisson Clay Rios Silva +2 more
openaire +1 more source
Digital Product Passports in Fashion: A Strategic Framework for Implementation
Corporate Social Responsibility and Environmental Management, EarlyView.ABSTRACT This study investigates the role of the Digital Product Passport (DPP) in promoting transparency, traceability, and sustainability within the fashion industry. As the fashion sector faces significant environmental and social challenges, including resource depletion, pollution, and unethical labor practices, the DPP offers a potential solution ...
Laura Macchion
wiley +1 more source
Evaluation of Fly Ash Concrete Durability Containing Class II Durability Aggregates, July 1986 [PDF]
, 1986 Fly ash was used in this evaluation study to replace 15% of the cement in Class C-3 concrete paving mixes. One Class "c" ash from Iowa approved sources was examined in each mix.
core
Perceived importance and didactic difficulty of chemistry education: Insights from Czech teachers
The Curriculum Journal, EarlyView.Abstract This empirical study examines how chemistry teachers in lower and upper secondary schools in the Czech Republic evaluate the content of the chemistry curriculum, focussing on its perceived importance and didactic difficulty. Based on a quantitative survey (N = 146), the study provides insight into the pedagogical content knowledge of ...
Jitka Lorenzová +6 more
wiley +1 more source
Editors: 1904-June 1906, D. N. Harper--July 1900-Jan. 1907, E. R. Kranich--Feb. 1907-June 1912 W. C.
core +1 more source