Jamal M. KHATİB, L WRİGHT, Pal S. MANGAT

138177

INFLUENCE OF INCORPORATING FLUE GAS DESULPHURISATION (FGD) RESIDUES ON POROSITY AND PORE SIZE DISTRIBUTION OF CEMENT PASTE

This paper reports results on the porosity and pore size distribution of cement paste containing varying amounts of simulated desulphurised waste (SDW). The water to binder ratio was 0.5. The binder consists of cement and SDW. The SDW is a combination of fly ash and gypsum ranging from 0-100%. Cement in the pastes was partially replaced with 25% SDW (by weight). The porosity and pore size distribution of cement pastes at 90 days of curing is reported. Increasing the amount of gypsum up does not change the pore volume, however, there is tendency of obtaining coarser pore structure in the presence of gypsum.

Anahtar Kelimeler:

Desulphurised Waste, FGD Waste, Fly Ash, Gypsum, Pore Size Distribution,

KÜKÜRT ATIKLARI (FGD)YLE HAZIRLANAN ÇYMENTO HAMURUNUN POROZYTE VE BO?LUK ORANI DE?ERLERY ÜZERYNE ETKYLERY

This paper reports results on the porosity and pore size distribution of cement paste containing varying amounts of simulated desulphurised waste (SDW). The water to binder ratio was 0.5. The binder consists of cement and SDW. The SDW is a combination of fly ash and gypsum ranging from 0-100%. Cement in the pastes was partially replaced with 25% SDW (by weight). The porosity and pore size distribution of cement pastes at 90 days of curing is reported. Increasing the amount of gypsum up does not change the pore volume, however, there is tendency of obtaining coarser pore structure in the presence of gypsum.

Keywords:

Kükürt aty?y, Uçucu kül, Alçy, Porozite, Bo?luk Orany Da?ylymy, ,

Engineering Sciences-Cover

Başlangıç: 2009
Yayıncı: E-Journal of New World Sciences Academy

Arşiv

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