Results 101 to 110 of about 5,736 (202)

Influence of Accelerators on cement replacement by large volumes of Fly ash to achieve early strength

open access: yesElectronic Journal of Structural Engineering, 2018
The chemical admixtures named as accelerators improve the early setting and strength of cementations products whereas theh Cement prepared with large volumes of Fly ash (Pozzolana) fetch the durability and better sustainability.
P. Ananyachandran, V. Vasugi
doaj   +1 more source

Solidification/stabilisation of soil contaminated with metal: a review [PDF]

open access: yes, 2008
Solidification/stabilisation (S/S) is generically defined as a chemical and physical alteration technique of reducing the mobility as well as solubility of contaminants in wastes in order to convert them into chemically inert form.
Goh, B.M., Yin, C-Y
core   +1 more source

Global Cement Industry: Competitive and Institutional Dimensions [PDF]

open access: yes
The cement industry is a capital intensive, energy consuming, and vital industry for sustaining infrastructure of nations. The international cement market –while constituting a small share of world industry output—has been growing at an increasing rate ...
Salem, Ahmed, Selim, Tarek
core   +1 more source

Chloride induced corrosion behaviour of mild steel rebars: A case study of calcined Clay Pozzolan containing concrete

open access: yesScientific African
The partial replacement of 5 – 30 % by mass of ordinary Portland cement with clay pozzolana in concrete, gives impressive chemical characteristics to the resulting material.
Lucas Nana Wiredu Damoah   +3 more
doaj   +1 more source

Stress-resistant plants and their production [PDF]

open access: yes, 2012
The present invention relates to plant genes involved in negative regulation of resistance to biotic and/or abiotic stress and uses thereof. More particularly, the present invention relates to plants comprising an inactivated MADS-box gene function, and ...
Gantet, Pascal   +3 more
core  

Life Cycle Analysis Comparison of Stabilizing Materials for Expansive Soils

open access: yesARCHive-SR
Expansive soils present significant challenges to infrastructure stability, necessitating the use of stabilizing materials. This study conducts a comprehensive life cycle analysis (LCA) research design to evaluate the environmental sustainability of ...
Zied Benghazi, Rima Tobal, Adel Djellali
doaj   +1 more source

The behaviour of a two-component backfilling grout used in a Tunnel-Boring Machine [PDF]

open access: yes, 2011
The instantaneous filling of the annulus that is created behind the segment lining at the end of the tail during the TBM advance is an operation of paramount importance.
Borio, Luca   +2 more
core  

A new device to select microcarriers for biomass immobilization : application to an anaerobic consortium [PDF]

open access: yes, 1998
Instituto de Biotecnologia e Química Fina (IBQF)
Alves, M. M.   +3 more
core  

Pilota Arri Q. s. [PDF]

open access: yes, 2010
La ricerca si inquadra nel filone degli studi sull\u2019instrumentum domesticum iscritto di et\ue0 romana in un settore, quello degli opercula anforari ceramici, ancora poco esplorato ma suscettibile di offrire dati nuovi alla problematica dei rapporti ...
S. Marengo
core  

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