Erection Bracing of Low-Rise Structural Steel Buildings phần 4 pot

... psi Nominal Diameter inches 3/8 7/16 1/2 9/16 5/8 3 /4 7/8 1 Approximate Weight lbs./ft. 0. 24 0.32 0 .42 0.53 0.66 0.95 1.29 1.68 Approximate Metallic Area in. 2 0.057 0.077 0.101 0.128 0.158 0.227 0.3 54 0 .40 4 Nominal Breaking Strength 1 lbs. 12,200 16, 540 21 ,40 0 27,000 33 ,40 0 47 ,600 64, 400 83,600 8x19 (W) Classification/Bright (Uncoated), Fiber Core, Improved Plow Steel,...

Ngày tải lên: 08/08/2014, 13:20

... American Institute of Steel Construction, Chicago, Illinois 11. Fisher, James M. and West, Michael A., " ;Erection Bracing of Structural Steel Frames", Proceedings, National Steel Construction ... Institute of Steel Construction, Chica- go, Illinois, 1992 14. "Manual of Steel Construction - Load and Resis- tance Factor Design", Vols. I and II, 2nd Ed...

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... Turning 18 4. 3 Tie Members 24 4.3.1 Wide Flange Beams 24 4.3.2 Steel Joists 25 4. 3.3 Joist Girders 26 4. 4 Use of Permanent Bracing 26 4. 5 Beam to Column Connections 27 4. 6 Diaphragms 27 5. RESISTANCE ... publisher. TABLE OF CONTENTS ERECTION BRACING OF LOW RISE STRUCTURAL STEEL BUILDINGS 1. INTRODUCTION 1 1.1 Types of Systems 1 1.2 Current State of...

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... Anchor Rods Fig. 4. 2 Bending Failure of Base Plate Figures 4. 1 through 4. 11 shown below represent each of the failure modes. Fig. 4. 1 Fracture of Weld © 2003 by American Institute of Steel Construction, ... sides of the col- umn, then four inches of weld length at the corner of the HSS can be used for the calculation of in Eq. 4- 6. Thus: Eq .4- 9 4. 2.3 Rupture o...

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... Seat Design Strength (kips) 30 10 15 22 30 30 Controlling Element Bolts Framing Angles Framing Angles Framing Angles Bolts Bolts Span (ft.) 20 25 30 35 40 45 50 Joist Desig- nation 10K1 14K1 18K3 20K4 20K5 26K5 28K7 Rows of Bridging 2 2 3 3 4 4 4 Allowable Load (kips) 6.0 4. 0 4. 0 3.5 4. 0 4. 0 4. 0 Span (ft.) 20 25 30 35 40 45 50 Joist Desig- nation 10K1 14K1 18K3 20K4 20K5...

Ngày tải lên: 08/08/2014, 13:20

... in any form without permission of the publisher. Column: 1 (40 )25 = 1,000 lbs. Beams: 2(35 )40 (0.5) = 1 ,40 0 lbs. Girders: 2(68 )40 (0.5) = 2,720 lbs. Roof framing (40 )40 (5) = 8.000 lbs. Total = 13,120 ... the angle that the bracing cable makes with the deadman and the location of the bracing cable attachment relative to the center of gravity of the deadman. As the angle of...

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... in. B 50 15 1 W8X 24 0.75 12X12 4. 0X4.0X12 Anchor Rods with Leveling Nuts Anchor Rod, Diameter, in. Anchor Pattern, in. x in. Hooked or Nutted Embedment, in. Cover Below Anchor, in. 0.75 4X4 4 in. Hook 6 6 Anchor ... in. 0.875 4X4 4 in. Hook 9 9 Anchor Rods, Base Plate Shimmed or Grouted Anchor Rod, Diameter, in. Anchor Pattern, in. x in. Hooked or Nutted Embedment, in. Cover Below Anc...

Ngày tải lên: 08/08/2014, 13:20

... Institute of Steel Construction, Inc. All rights reserved. This publication or any part thereof must not be reproduced in any form without permission of the publisher. Table A-11 Tension Resistance of ... Institute of Steel Construction, Inc. All rights reserved. This publication or any part thereof must not be reproduced in any form without permission of the publisher. Table A-...

Ngày tải lên: 08/08/2014, 13:20

... services 801,328 46 3 157,331 17,213 131,257 340 ,901 199,236 45 ,719 540 ,063 Total 106,035 3 64 1 24, 412 14, 620 102,833 2 84, 3 84 166,7 24 43 ,45 0 45 7,197 695,293 98 32,919 2,593 28 ,42 4 56,516 32,512 2,269 82,866 15% 5% 20% 15% 25% 25% 30% 25% 25% The ... Repairers Other suppliers of capital items Suppliers of support services Airtime / Sim sellers 23% 65% 21% 71% 61% 4...

Ngày tải lên: 09/08/2014, 19:21

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Ngày tải lên: 09/08/2014, 19:22