Bonding in Cementitious Composites: Symposium Held December 2-4, 1987, Boston, Massachusetts, U.S.A.Sidney Mindess, Surendra P. Shah |
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Page 320
... fly ash . Additionally , the reaction is more prevalent in structures such as bridges , dams , and causeways that ... fly ashes now available , especially those with a low amorphous silica and high alkali content [ 14 ] . As early as ...
... fly ash . Additionally , the reaction is more prevalent in structures such as bridges , dams , and causeways that ... fly ashes now available , especially those with a low amorphous silica and high alkali content [ 14 ] . As early as ...
Page 341
... Fly Ash Concrete In Figure 14 , the characteristics of individual fly ash particles showing smooth unreacted surfaces adjacent to others showing an abundance of crystalline growth is observed . This suggests differences in reactivity ...
... Fly Ash Concrete In Figure 14 , the characteristics of individual fly ash particles showing smooth unreacted surfaces adjacent to others showing an abundance of crystalline growth is observed . This suggests differences in reactivity ...
Page 344
... Fly Ash Concretes Samples of concrete for SEM analysis were taken from the embankments of the two road bridges crossing the M56 Motorway . Figures 37 to 40 are of the OPC control concrete and Figures 41 to 44 are of the fly ash concrete ...
... Fly Ash Concretes Samples of concrete for SEM analysis were taken from the embankments of the two road bridges crossing the M56 Motorway . Figures 37 to 40 are of the OPC control concrete and Figures 41 to 44 are of the fly ash concrete ...
Contents
HOW IMPORTANT | 3 |
MICROSTRUCTURE AND FRACTURE AT THE CEMENT PASTE | 11 |
STRUCTURE AND BOND STRENGTH OF CEMENT AGGREGATE | 21 |
Copyright | |
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1988 Materials Research 28 days aggregate surface alkali alkali-aggregate reaction ASTM behavior Bentur bond strength Ca(OH calcite calcium hydroxide cement composites cement matrix cement paste cementitious chemical cocamide DEA compressive strength concentration Concr crack cured curve debonding duplex film effect elastic energy ettringite experimental fiber pull-out fiber reinforced concrete fiber surface fibre Figure filaments flexural strength fly ash particle Fracture Mechanics frictional glass fibers hydration hydration products increase interface interfacial zone ISBN layer Materials Research Society matrix mechanical micrograph microstructure modulus mortar naphthalene observed orientation PAN-fibers pastes and mortars phase pore porosity porous portland cement portlandite pozzolanic present Proc properties pull-out load pull-out test reactive reduced resistance samples shear stress shown in Fig shows silica fume silica fume content slag solution specimens structure superplasticizer Symp transition zone Volume w/c ratio