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a[mm]/l - Memorial University of Newfoundland DAI
a[mm]/l - Memorial University of Newfoundland DAI
a[mm]/l - Memorial University of Newfoundland DAI
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3.2. Materials<br />
3.2.1. Concrete<br />
Ordlnay Ponland ce<strong>mm</strong>l 15s 10. produced ~n <strong>Newfoundland</strong>. quanznte ~nndrtone. and a<br />
crushed granite <strong>of</strong> 19 <strong>mm</strong> mvrlmum no<strong>mm</strong>al nze were used for all lest rpeclmens. In<br />
order to produce hlgh-strength concrete with low water cemenutlaus ratm (wlcl oi ahour<br />
0.27. the follawtng millenllr were added:<br />
(11 Stllcl fume I" n powder farm ~n [he mtlo 88 <strong>of</strong> cement welght.<br />
(2) Class Fhgnan fly rrh f<strong>mm</strong> Nova Scotla ~n the nt~o 12% <strong>of</strong>ccrncnt we~ght.<br />
(31 Suprplmnclzer <strong>of</strong> sulfonared nnphlhallne formaldehyde bare (Eucon 37).<br />
(41 Rerarder <strong>of</strong> polyhydrorycnrboxyllc base (TCDA type DXI rupplled by Eucltd<br />
Adrnlxture Cvnda Inc.<br />
The reco<strong>mm</strong>endatton <strong>of</strong> thc earl~sr mvcrtrgatlon by Msaouk md Husreln 11M)<br />
was used for the mlx proponton <strong>of</strong> wlectcd matmalr. The mix propon~anr for 1 m' ;rre<br />
gwcn tn Table 3.1 for nonrl-nrenglh concrele and Trblc 3.2 for high-strength concrete<br />
The mln wnr dertgned for il comprerslve-nrength targets <strong>of</strong> 35 MPJ for normal-nrenglh<br />
and 80 MPa for htgh-strength concrete<br />
Tnblc 3.1 MLX propMtton for 1 m'ot normal-strength concrete<br />
IPonland Cement 350 kg<br />
C<strong>mm</strong> Ag~eg=ate.tc~ (gnnae 19-<strong>mm</strong>) 1160 kg<br />
fine Aggregates (graded mnd) 690 kg<br />
Warcr 175 lit"
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