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Christof Lanzerstorfer
Miscanthus is an energy crop considered to show potential for a substantial contribution to sustainable energy production. In miscanthus combustion, 2.0% to 3.5% of the mass of the fuel remains as ash. This ash is less contaminated by heavy metals than a...
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Antoni .,Hendra Surya Wibawa,Djwantoro Hardjito
Pág. 51 - 56
This study evaluates the effect of particle size distribution (PSD) of high calcium fly ash on high volume fly ash (HVFA) mortar characteristics. Four PSD variations of high calcium fly ash used were: unclassified fly ash and fly ash passing sieve No. 20...
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Ming Dong, Jian Han, Sufen Li and Hang Pu
The rebound behavior of fly ash particles normally impacting a planar surface is investigated by using a dynamic model. The three forms of soft sphere physical model are obtained using static/quasi-static contact mechanics and energy dissipation theory. ...
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Ming Dong, Sufen Li, Jun Xie and Jian Han
This paper presents the results of a comprehensive program of experiments in which fly ash particles were impacted under controlled conditions against a flat steel surface. The overall aim of these experiments was to gain an understanding of the ash depo...
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Rodolfo Picchio, Raffaello Spina, Alessandro Sirna, Angela Lo Monaco, Vincenzo Civitarese, Angelo Del Giudice, Alessandro Suardi and Luigi Pari
We set out to determine the particle-size distribution, the fiber, the bark and the leaves content, the heating value, the CNH and the ash content of a wide sample of wood chips, collected from 10 forestry and 10 agroforestry production sources. This sam...
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Marta Pedzik, Tomasz Rogozinski, Jerzy Majka, Kinga Stuper-Szablewska, Petar Antov, Lubos Kristak, Richard Kminiak and Martin Kucerka
Wood dust generated during woodworking?particularly from hardwood species during sanding?poses a health and safety hazard to workers in the wood industry. This study aimed to determine the particle-size distribution of selected hardwood species and the c...
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Xuan Liu, Tao Jiang, Chenglong Li, Mingyu Wan, Wenzhu Xuan and Xingfu Wang
This research used fly ash and slag to create geopolymer foam concrete. They were activated with an alkali, resulting in a chemical reaction that produced a gel that strengthened the concrete?s structural integrity. The experimental approach involved var...
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Talal S. Amhadi and Gabriel J. Assaf
Soil characteristics are paramount to design pavements and to assess the economic viability of a road. In the desert, such as that found in southern Libya, the very poor quality of soils leads to important pavement distress such as cracks, rutting, potho...
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Mostafa Seifan, Shaira Mendoza and Aydin Berenjian
In this study, the effects of micro-Al2O3 (MA) and nano-Al2O3 (NA) on the mechanical properties and durability performance of a mortar containing fly ash (FA) were investigated. In the first step, MA and NA were added to the mortar (as a cement replaceme...
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Wen-Ten Kuo, Chuen-Ul Juang and Tzu-Yi Chen
This study investigated the effect of substituting cement with incense ash on material properties and hydration of cement-based composite materials. Test specimens with incense ash replacing up to 30% (volume) of cement were produced and cured at 25 °C a...
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Zhiqing Li, Feng Hu, Shengwen Qi, Ruilin Hu, Yingxin Zhou and Yawei Bai
Soil?rock mixtures (SRM) have the characteristics of distinct heterogeneity and an obvious structural effect, which make their physical and mechanical properties very complex. This study aimed to investigate the deformation properties and failure mode of...
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Gyeongcheol Choe, Sukpyo Kang and Hyeju Kang
In this study, a method was suggested to produce dried powder from red mud (RM) sludge with 40%?60% water content without heating. The RM sludge is discharged from the Bayer process, which is used to produce alumina from bauxite ores. Nonthermally treate...
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Samuel Olufemi Folagbade
Pág. 96 - 101
This paper investigated the initial surface absorption (ISAT) of concrete using Portland cement (PC) and some binary and ternary cement combinations containing fly ash (FA), silica fume (SF) and metakaolin (MK) as partial replacements for PC at equal wat...
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María Fuentes, Sebastián Díaz, Manuela Díaz, Araceli Zúñiga, Enrique Rocha
Pág. Page 256 - 269
In order to produce high performance concrete (HPC), fine Mexican mineral aggregates were characterized using chemical, physical and mineralogical procedures. Used materials included fly-ash, micro silica, silica fume, and coarse, fine and refined ground...
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Ashfaque Ahmed Jhatial, Iveta Nováková and Eirik Gjerløw
Alternative to traditional concrete, sustainable concrete reduces cement content, waste management issues, and CO2 emissions. To achieve sustainable concrete, waste materials can be used as supplementary cementitious materials (SCMs) to partially replace...
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Masood Ur Rahman and Jing Li
This paper presents experimental investigations on epoxy mortar produced using industrial wastes. In some recent studies, coal bottom ash and polyethylene terephthalate (PET) waste have been chosen as a filler to replace sand, and fly ash and silica fume...
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Zhangkai Wu, Sebastian Romuli, Kiatkamjon Intani and Joachim Müller
Sesame oil is a food and energy resource that is not used enough. Sedimentation of crude oil after pressing can remove particles and happens regardless of the producer?s intention. However, sedimentation of crude plant oil and its sensing technology are ...
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Zhe Liu, Yang Zhang, Yingying Sun, Jichang Han, Feinan Hu, Junchao Li and Xuxiang Li
Aggregate stability is a key factor in the evaluation of soil structure and erosion resistance, which is largely influenced by soil electric field and particle interaction. However, there are few studies on how different organic and inorganic soil condit...
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Hao Yang, Jianfeng Zhu, Yanli Tao, Zhengqing Wang and Qiqi Zheng
This research aims to investigate the potential of engineering waste marine silt stabilized by a self-developed stabilizing chemical additive called PZ-1 as a subgrade filler. PZ-1 is composed of calcium carbide residue (CCR) and plant ash (PA) under an ...
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Peyman Alizadeh, Tim Dumonceaux, Lope G. Tabil, Edmund Mupondwa, Majid Soleimani and Duncan Cree
The current study explores steam explosion pre-treatment of wood sawdust to develop high-quality biofuel pellets. In order to determine optimized conditions (temperature and residence time) for steam-treated biomass, seven test responses were chosen, inc...
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