Results 31 to 40 of about 123,170 (220)

Study on the Effect of Different Fe2O3/ZrO2 Ratio on the Properties of Silicate Glass Fibers

Advances in Materials Science and Engineering, 2017
A series of silicate glass fibers with different ratios of Fe2O3/ZrO2 were prepared, and their corrosion resistance, mass loss, and strength loss were characterized.
Jianxun Liu, Jianping Yang, Haibin Huo, Liang Lei, Ying Cui, Zhishen Wu   +5 more
doaj   +1 more source

Too hot to handle: Assessing practitioner climate service needs to advance heat resilience

Climate Services
Extreme heat is deadly and it is disproportionately experienced by lower-income, minority, and marginalized community members. Heat practitioners are faced with the dual challenges of taking action to mitigate the level of heat experienced by local ...
K.M. Archie, D. Hirschfeld, S. Meerow, J.C. Arnott, L. Keith, J.A. Vano, E. Mateo   +6 more
doaj   +1 more source

Effects of Basalt Fibres on Mechanical Properties of Concrete

MATEC Web of Conferences, 2018
This paper presents the results of an experimental program carried out to investigate the effects of Basalt Fibre Reinforced Polymers (BFRP) on some fundamental mechanical properties of concrete.
El-Gelani A. M., High C.M., Rizkalla S. H., Abdalla E. A.   +3 more
doaj   +2 more sources

Comprehensive view on the ductility of basalt fiber reinforced concrete focus on lightweight expanded clay

Structural Mechanics of Engineering Constructions and Buildings, 2019
Relevance. Ductility of basalt fiber reinforced concrete is an interesting property of basalt fiber reinforced concrete. However, very few experiments on this property is documented. The aim of the work.
Vera V. Galishnikova, Paschal Chimeremeze Chiadighikaobi, Dafe Aniekan Emiri   +2 more
doaj   +1 more source

Chemically Driven Nano‐Elastic Heterogeneities Control Fragility in Volcanic Melts

Advanced Science, EarlyView.
The study elucidates how nanoscale structural heterogeneity governs the mechanical behavior of volcanic glasses across compositions from basalt to rhyolite. Using a physicochemical framework, correlation length (ξ) and microscopic free volume (Vc) are derived from vibrational and physical properties, revealing systematic trends with silica content that
Michele Cassetta, Daria Szewczyk, Gabriele Giuliani, Serena Dominijanni, Francesco Vetere, Gianluca Iezzi, Francesco Radica, Dmitry Bondar, Fabrizio Di Fiore, Alessio Pontesilli, Levent Karacasulu, Nicola Daldosso, Hideyuki Mizuno, Danilo Di Genova   +13 more
wiley   +1 more source

The use of basalt scoria as a geopolymer cement to increase soil bearing capacity

Journal of Degraded and Mining Lands Management, 2023
One method that can be used to improve soil properties is the addition of geopolymer cement to the soil to become more stable. This study aimed to determine the effect of geopolymer cement on soil stability.
Saparudin Saparudin, Sofia W Alisjahbana, Rajiman Rajiman, Ilyas Sadad, Muhammad Amin, Yusup Hendronursito   +5 more
doaj   +1 more source

Raw Material Economisation in Aotearoa New Zealand: Evidence for Manufacture and Recycling of Adzes on Ahuahu Great Mercury Island

Archaeology in Oceania, EarlyView.
ABSTRACT Raw materials are used to characterise the early settlement of Aotearoa Te Wai Pounamu New Zealand by Māori. Current models suggest change in raw material use over time occurred in response to changing social organisation and reduced resource availability. However, few studies have examined spatial variation in raw material use.
Rebecca Phillipps, Joshua Emmitt, Stacey Middleton, Simon Holdaway   +3 more
wiley   +1 more source

Practitioners’ Needs for Addressing the Challenges of Sea‐Level Rise—A Qualitative Assessment

Earth's Future
Practitioners at the local and regional scale are under increased pressure to reduce risks to people and property posed by the threats of sea‐level rise (SLR) and associated impacts.
D. Hirschfeld, K. M. Archie, E. Mateo, J. C. Arnott, J. A. Vano   +4 more
doaj   +1 more source

Enhanced Weathering Using Basalt Rock Powder: Carbon Sequestration, Co-benefits and Risks in a Mesocosm Study With Solanum tuberosum

Frontiers in Climate, 2022
Enhanced weathering (EW) of silicate rocks can remove CO2 from the atmosphere, while potentially delivering co-benefits for agriculture (e.g., reduced nitrogen losses, increased yields).
Arthur Vienne, Silvia Poblador, Miguel Portillo-Estrada, Jens Hartmann, Samuel Ijiehon, Peter Wade, Sara Vicca   +6 more
doaj   +1 more source

The Manufacture of Rochia nilotica rings: The chaîne opératoire Identified for Lapita Sites in Vanuatu

Archaeology in Oceania, EarlyView.
ABSTRACT Rings made on marine shell are a conspicuous artefact form found throughout cultural sequences for much of the Pacific over millennia. Despite their importance in both recent and ancient times, in‐depth consideration of the manufacturing processes involved in shell ring production are limited.
Michelle C. Langley, Iarawai Phillip, Stuart Bedford   +2 more
wiley   +1 more source