Permeability and Pore Structure of Cement Pastes Containing Fly Ash, Slag, and Silica Fume

2008 ◽  
pp. 128-128-16 ◽  
Author(s):  
RD Hooton
Keyword(s):  
Fly Ash ◽  
Pore Structure ◽  
Silica Fume ◽  
Cement Pastes

Pore structure characterization of cement pastes blended with high-volume fly-ash

2012 ◽  
Vol 42 (1) ◽  
pp. 194-204 ◽  
Author(s):  
Qiang Zeng ◽  
Kefei Li ◽  
Teddy Fen-chong ◽  
Patrick Dangla
Keyword(s):  
Fly Ash ◽  
Pore Structure ◽  
High Volume ◽  
Structure Characterization ◽  
Cement Pastes ◽  
High Volume Fly Ash

Modification of water absorption and pore structure of high-volume fly ash cement pastes by incorporating nanosilica

2021 ◽  
Vol 33 ◽  
pp. 101638 ◽  
Author(s):  
Qian Huang ◽  
Xiaohong Zhu ◽  
Dongsheng Liu ◽  
Liang Zhao ◽  
Min Zhao
Keyword(s):  
Fly Ash ◽  
Pore Structure ◽  
Water Absorption ◽  
High Volume ◽  
Cement Pastes ◽  
High Volume Fly Ash

Surface fractal analysis of pore structure of high-volume fly-ash cement pastes

2010 ◽  
Vol 257 (3) ◽  
pp. 762-768 ◽  
Author(s):  
Qiang Zeng ◽  
Kefei Li ◽  
Teddy Fen-Chong ◽  
Patrick Dangla
Keyword(s):  
Fly Ash ◽  
Pore Structure ◽  
Fractal Analysis ◽  
High Volume ◽  
Cement Pastes ◽  
Surface Fractal ◽  
High Volume Fly Ash

Quantitative evaluation of mineral admixtures on the properties, pore structure, and durability of cement-based composites

2012 ◽  
Vol 19 (2) ◽  
pp. 199-207 ◽  
Author(s):  
Chinlai Lee ◽  
Maochieh Chi ◽  
Ran Huang
Keyword(s):  
Fly Ash ◽  
Pore Structure ◽  
Silica Fume ◽  
Mercury Intrusion Porosimetry ◽  
Cementitious Material ◽  
Mineral Admixtures ◽  
Penetration Test ◽  
Compressive Strength Test ◽  
Testing Data ◽  
Influence Of Water

AbstractThe influence of water/cementitious material ratio, silica fume, and fly ash as partial Portland cement replacement materials on the properties, pore structure, and durability of cement-based composites was evaluated by conducting compressive strength test, mercury intrusion porosimetry test, water absorption, rapid chloride penetration test, and scanning electron microscopy (SEM). Water/cementitious material ratio, and replacement percentage of silica fume and fly ash have significant effects on the pore structure and durability of cement-based composites. Composites with silica fume or fly ash have a denser structure than the control composite on SEM micrographs. Silica fume has about 5–10 times as much effect as fly ash, according to results of multiple linear regression analyses of testing data.

Shrinkage of Blended Cement Pastes with Mineral Additions

2013 ◽  
Vol 539 ◽  
pp. 55-59
Author(s):  
Yi Chen ◽  
Wu Yao ◽  
Dan Jin
Keyword(s):  
Fly Ash ◽  
Silica Fume ◽  
Cement Paste ◽  
Mercury Intrusion Porosimetry ◽  
Construction Materials ◽  
Blended Cement ◽  
Cement Pastes ◽  
Mercury Intrusion ◽  
Mineral Additions ◽  
By Products

Mineral additions such as fly ash and silica fume are industrial by products, and play an important role in properties improvement for construction materials. In this work, the shrinkage of cement paste blended with fly ash and silica fume by different substitute ratio was studied. Pore structures of specimens at different ages were determined by mercury intrusion porosimetry (MIP) and shrinkage deformation was measured by standard shrinkage tests. The effects of mineral addtions on shrinkage were discussed. The results show that the fly ash was significantly effective on shrinkage at early ages. Based on the research, several suitable advices were offered to optimize the performances of materials and reduce the shrinkage.

scholarly journals Physico-mechanical properties of composite cement pastes containing silica fume and fly ash

HBRC Journal ◽  
2015 ◽  
Vol 11 (1) ◽  
pp. 7-15 ◽  
Author(s):  
S.A. Abo-El-Enein ◽  
Gamal El-kady ◽  
T.M. El-Sokkary ◽  
Mahmoud Gharieb
Keyword(s):  
Mechanical Properties ◽  
Fly Ash ◽  
Silica Fume ◽  
Cement Pastes ◽  
Composite Cement
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