MEP-Technical Manual CDN 0408.qxd - Hambro
MEP-Technical Manual CDN 0408.qxd - Hambro
MEP-Technical Manual CDN 0408.qxd - Hambro
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DESIGN PRINCIPLES AND CALCULATIONS<br />
4.2.2 TOP CHORD PROPERTIES - MD2000 ®<br />
3.5 mm<br />
(0.14”)<br />
X X<br />
METRIC<br />
t = 2.3 mm<br />
Anet * = 422 mm2 Ix = 3.65 x 105 mm4 Top Chord Fy = 350 MPa<br />
Bottom Chord Fy = 380 MPa<br />
IMPERIAL<br />
t = 0.090 in.<br />
Anet * = 0.654 in. 2<br />
Ix = 0.877 in. 4<br />
Top Chord Fy = 50 ksi<br />
Bottom Chord Fy = 55 ksi<br />
A net *= Effective area according to CAN3-S136-01<br />
Y<br />
Y<br />
Fig. 10<br />
11.6 mm (0.45”)<br />
t<br />
4.2.3 TOP CHORD PROPERTIES - LH<br />
X X<br />
5.3 mm<br />
(0.21”)<br />
t<br />
Y<br />
Fig. 11<br />
METRIC<br />
t = 2.3 mm<br />
Anet * = 623 mm2 Ix = 2.56 x 105 mm4 Top Chord Fy = 350 MPa<br />
Bottom Chord Fy = 380 MPa<br />
IMPERIAL<br />
t = 0.090 in.<br />
Anet * = 0.966 in. 2<br />
Ix = 0.616 in. 4<br />
Top Chord Fy = 50 ksi<br />
Bottom Chord Fy = 55 ksi<br />
Y<br />
9
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