Results 31 to 40 of about 451,435 (111)

Using fly ash to partially substitute metakaolin in geopolymer synthesis

open access: yes, 2014
Metakaolin-based geopolymers containing between 0 and 40% fly ash were prepared, to study the influence of fly ash substitution on the reaction process and products. At constant liquid/solid ratio, the partial replacement of metakaolin by fly ash reduces
Zhang, Zuhua   +5 more
core   +1 more source

DURABILITY PERFORMANCE OF CEMENTITIOUSLY STABILIZED LAYERS [PDF]

open access: yes, 2012
The ability to retain stability and integrity over years of exposure to the destructive forces of weathering is one of the most important aspects of cementitiously stabilized layers (CSL) in pavement design.
Su, Zhipeng
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Optimized Metal Recovery from Fly Ash from Municipal Solid Waste Incineration [PDF]

open access: yes, 2017
Switzerland plays a pioneering role in sustainable waste management with a long tradition of waste incineration and the prohibition to landfill unburnt municipal solid waste since 2000.
Weibel, Gisela
core   +2 more sources

Comparison of elemental concentration in fly ash with water content = 15% and oven-dried fly ash.

open access: yes, 2022
Comparison of elemental concentration in fly ash with water content = 15% and oven-dried fly ash.
Pranjal Singh (12575075)   +4 more
core   +1 more source

Study on the phosphate removal from aqueous solution using modified fly ash

open access: yes, 2010
In this work the fly ash was modified by sulfuric acid for the removal of phosphate. It was found that modification of fly ash could significantly enhance the phosphate immobilization ability of the fly ash.
Xu, Ke   +8 more
core   +1 more source

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

open access: yes, 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.   +3 more
core  

Characterization of LUSI Mud as Geopolymer Raw Material [PDF]

open access: yes, 2012
The mud of mud volcano samples were collected from an eruption site named ‘LUSI’ (Lumpur “mud” –Sidoarjo), East Java, Indonesia for characterization. Analysis showed that, the major constituents of mud are SiO2 and Al2O3 which are higher than those in ...
Mustafa Al Bakri, A. M.   +4 more
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Coal fly ash in road construction and maintenance [PDF]

open access: yes
Introduction. There is a general worldwide aspiration to increase the sustainability in every national economy branch, including road engineering. The growing use of various industrial by-products as economical and eco-friendly road construction and ...
László Gáspár, Zsolt Bencze
core   +1 more source

A comparative study on fly ash, geopolymer and faujasite block for Pb removal from aqueous solution

open access: yes, 2016
This work aims to evaluate the efficiencies of fly ash, fly ash-based geopolymer and faujasite block, which is transformed from geopolymer, as sorbents for lead (Pb) from aqueous solutions.
Zhang, Zuhua   +5 more
core   +1 more source

Reclaimed Fly Ash as Select Fill Under PCC Pavement; TR-425, November 1999 [PDF]

open access: yes, 1999
With the support of the Iowa Fly Ash Affiliates, research on reclaimed fly ash for use as a construction material has been ongoing since 1991. The material exhibits engineering properties similar to those of soft limestone or sandstone and a lightweight

core  

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