Results 111 to 120 of about 62,320 (296)

Remediation and monitoring of abandoned mines

International Journal of Mining Science and Technology, 2017
This paper describes a recent study on using fly ash for backfilling abandoned room and pillar mines. Detailed investigations on fly ash properties such as the strength and stiffness of settled fly ash, flowability of fly ash grout, as well as chemistry ...
Baotang Shen, Brett Poulsen, Xun Luo, Johnny Qin, Ramesh Thiruvenkatachari, Yi Duan   +5 more
doaj   +1 more source

An investigation of the effect of fly ash to the porosity of concretes using image analysis technique

, 2005
Although air void or the porosity is one of the most important factors that affect the performance of hardened concretes, it is generally not considered in the design and analysis because of the difficulties of its quantification; for example, the air ...
Dhanasekar, Remadevi., D Spilsbury (9875468), Spilsbury, D., Remadevi Dhanasekar (9792026)   +3 more
core  

Investigating the Environmental Impact of Additive Construction: A Systematic Analysis of the Life Cycle Assessment Studies

Sustainable Development, EarlyView.
ABSTRACT Additive Manufacturing (AM) has been identified as a potential catalyst for a paradigm shift within the construction industry, due to its capacity to enhance sustainability, reduce waste, and augment design flexibility. This study presents a systematic literature review (SLR) that explores the application of Life Cycle Assessment (LCA) in ...
Antonio Mastropasqua, Francesco Paolo Lagrasta, Michele De Nicolò, Pierpaolo Pontrandolfo   +3 more
wiley   +1 more source

Characterization of ash derived from combustion of paper mill waste sludge: Comparison with municipal solid waste incinerator ash

, 2007
Fly ash derived from incineration of Malaysian paper mill waste sludge (PMWS) was physically and chemically characterized in order to determine its potential toxicity as well as its application as cement replacement material.
Kadir, S.A.S.A., Mahazer, S.Z., Siti Zaharah Mahazer, Sharifah Nawirah, Syed-Ariffin, S.N., Alifah Salwa Abdul-malik, Abdul-Malik, A.S., Zurinawati Zamzuri, Yin, C-Y, Zamzuri, Z., Chun Yang Yin, Sharifah Aishah Syed Abdul Kadir   +11 more
core  

From Waste to Value: A Data‐Driven Framework for Sustainable Raw Materials Substitution in the Ceramic Industry

Sustainable Development, EarlyView.
ABSTRACT With increasing geopolitical risks, environmental pressures, and regulatory demands, the sustainable sourcing of raw materials has become a global priority for achieving the United Nations Sustainable Development Goals (SDGs), particularly SDG 9 (Industry, Innovation and Infrastructure), SDG 12 (Responsible Consumption and Production), and SDG
Francesco Parisi, Luciana Randazzo, Davide Settembre Blundo, Isabella Ganci, Silvestro Antonio Ruffolo, Mauro Francesco La Russa   +5 more
wiley   +1 more source

Investigation of Fresh Properties of Self-Leveling Cement-Based Pastes with CFB Fly Ash as an SCM

Buildings
The incorporation of circulating fluidized bed (CFB) fly ash into self-leveling cement-based (SLC) paste production presents significant environmental advantages. However, its addition deteriorates the fresh properties of the paste, posing challenges for
Chun-Ran Wu, Wei Tang, Yan-Lin Huo, Bao-Jian Zhan, Shi-Cong Kou   +4 more
doaj   +1 more source

The Influence of Ground Fly Ash on Cement Hydration and Mechanical Property of Mortar

Advances in Civil Engineering, 2018
In this study, the ground fly ash is made of ordinary grade I fly ash by grinding. Compared with grade I fly ash, the influence of ground fly ash on cement hydration and mechanical property of mortar was investigated. The results show that ground fly ash
Jingjing Feng, Jianwei Sun, Peiyu Yan
doaj   +1 more source

Effect of class F fly ash on the durability properties of concrete

Sustainable Environment Research, 2018
The present study evaluates the application of class F fly ash as a partial replacement of binder in concrete. The compressive strength of the fly ash samples showed low early compressive strength comparing to the control samples.
Ashish Kumer Saha
doaj   +1 more source

Innovative development and structural behavior of hollow columns using inflatable molds

Structural Concrete, EarlyView.
Abstract This study introduces a novel approach for constructing hollow columns using precast (PC) methods enhanced by inflatable air tubes as internal molds. The proposed method addresses practical challenges in conventional hollow column construction, such as limited constructability, high production cost, and interference between internal molds and ...
Soo Hyung Kim, Dohak Kim, Jeongun Lee, Yun Mook Lim   +3 more
wiley   +1 more source

Drying shrinkage of alkali-activated fly ash/slag blended system

, 2018
The drying shrinkage of alkali-activated fly ash/slag (AAFS) is an important engineering property for the control of cracking when AAFS is utilized as a building material.
Yuwei Ma, Ma, Yuwei, Guisheng Wang, Wang, Guisheng   +3 more
core   +1 more source