Technical feasibility in the use of waste of blasting abrasive as fine aggregate in concrete
In petrochemical industry, the step of abrasive blasting in naphtha storage tanks, in preparation of the surface for application of anti-corrosion coatings generate, by intervention in each tank, approximately 100 tons of waste classified as class II A ...
Eduardo Polesello +1 more
doaj +1 more source
Stabilisation of Sulfide‐Bearing Clays as a New Building Ground
ABSTRACT Fine‐grained, sulfide‐bearing marine clays are found along the Finnish coastline. When excavated and exposed to air, the sulfides within these soils react with oxygen to form sulfuric acid. Such soils are classified as hypersulfidic soils.
Thomas Kronberg +4 more
wiley +1 more source
Influence of particle size distribution of slag, limestone and fly ash on early hydration of cement assessed by isothermal calorimetry [PDF]
Supplementary cementitious materials (SCMs) enhance early hydration of cement through the provision of nucleation sites for the precipitation of hydration products.
Alderete, Natalia Mariel +3 more
core +1 more source
STUDY ON PASTES AND MORTARS OF PORTLAND CEMENT WITH REPLACEMENT BY SANITARY WARE
In this paper the Sanitary Faience, use as a replacement for portland cement is analyzed. Replacements used were 8, 24 and 40% by weight; the assays used contemplated the evolution of hydration from the first minutes (up to 48 hours) by calorimetry, and ...
Silvina Zito +2 more
doaj
Properties and durability of metakaolin blended cements
This paper evaluates the optimal calcination temperature and replacement ratio to ensure high metakaolin (MK) pozzolanicity in blended cement. The MK used was prepared by firing two types of local at temperatures ranging from 700 to 850 ºC. Dry blends of
Salah A. Abo-El-Enein +2 more
doaj +1 more source
Possible reusing of household ceramic wastes as mineral admixtures in ecological cement/concrete [PDF]
Both the Ceramic wastes and the pollution of the cement industry can cause strong damage to the environment and the sustainable development. In the present study, the pozzolanic activity of household ceramic waste powder was investigated by SAI test ...
Azevedo, Cecília +3 more
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Argamassas antigas: reacção pozolânica ou activação alcalina? [PDF]
No presente artigo procede-se a uma análise das explicações clássicas relativas à durabilidade das argamassas antigas. A grande maioria das descrições sobre as argamassas antigas, nomeadamente sobre o período referente à civilização romana, refere-se à ...
Gomes, J. P. Castro +2 more
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Permeabilidad y estructura porosa de hormigones autocompactantes de resistencia moderada [PDF]
El hormigón autocompactante ha experimentado un amplio desarrollo en los últimos años. Los estudios sobre este hormigón se han centrado en obtener dosificaciones óptimas, mientras los relativos a su durabilidad son escasos, especialmente en el caso de ...
Bermejo Núñez, Ester B. +3 more
core +3 more sources
The Comparison of Using Andesite Waste Powder and Fly Ash in Concrete
Andesite stone is widely used in civil engineering and architectural applications in Turkey. The production, cutting and polishing of the andesite stone by mining methods causes a large amount of waste. Some of them are big particular waste that is taken
Hakan Ceylan, Metin Davraz
doaj +1 more source
Potential reuse of recovered nonmetallic printed circuit board waste as sand replacement in construction materials [PDF]
The study analyzed the treatment of nonmetallic printed circuit board (PCBs) by adding them into mortar cement and cement brick as sand replacement. This study aims to propose methods for reuse of nonmetallic PCBs waste.
Mohamad, Siti Suhaila
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