Erection Bracing of Low-Rise Structural Steel Buildings phần 8 docx

... 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 ... 2003 by American 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 pu...

Ngày tải lên: 08/08/2014, 13:20

... 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 the Art 1 1.3 Common Fallacies 2 1.4 Use of This ... publication or any part thereof must not be reproduced in any form without permission of the publisher. Steel Design Guide Series Erection Bracing of Low-Rise...

Ngày tải lên: 08/08/2014, 13:20

... the requirements of ACI 3 18 or ACI 530 as appropriate. The wall itself should be properly braced to secure it against loads im- posed during the erection of the steel framing. The erection operation, ... the anchor rods to the center of the shim stack. See Figure 4.14. See discussion of the use of shims at the beginning of this section. © 2003 by American Institute of S...

Ngày tải lên: 08/08/2014, 13:20

... pier) Failure Mode 8: Pier Bending Resistance Determine the depth of the compression area: a = F y A s / .85 f' c b = 60,000(2)(0.44)/0 .85 (3000)(24) = 0 .86 3 in. C = 0 .85 f c ab = 0 .85 (3000)(0 .86 3)(24)/1000 ... (4.24)(1.54)(1.5)Af=9.8A f psf A f = 12 in. (column width) = 1.0 ft. F = 9 .8( 1.0) = 9 .8 psf F u = (1.3)(9 .8) =12.74 psf M u = F u h 2 /2 = (12.74)(25) 2 /2 =...

Ngày tải lên: 08/08/2014, 13:20

... diagonal bracing covered in this guide. The au- thors recommend the use of a factor of safety of 3 for ASD and the use of = 0.5 for LRFD. The Caltrans Falsework Manual uses a factor of safety of 2.0 ... thereof must not be reproduced in any form without permission of the publisher. 3 080 x0.3x0.7 = 647 .8 sq. ft. The total frame area, A f , is A f = 437.3+ 646 .8 =1 084 sq....

Ngày tải lên: 08/08/2014, 13:20

... 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 the bracing from the horizontal ... (1.7) 2 706.5 in. 2 0 .85 (1) 706.5 (4) (3500) 1/2 (1/1000) 142.1 kips 142.1 ÷ 4 = 35.5 kips per rod Design strength in shear: 0.75(0. 785 ) 58 = 34.1 kips 0 .85 (80 0) (0....

Ngày tải lên: 08/08/2014, 13:20

... 7.1 Erection Plan 56 © 2003 by American Institute of Steel Construction, Inc. All rights reserved. This publication or any part thereof must not be reproduced in any form without permission of ... Story Frame 48 © 2003 by American Institute of Steel Construction, Inc. All rights reserved. This publication or any part thereof must not be reproduced in any form without permission...

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, Chicago, Illinois 8. "Diaphragm Design Manual", Second Edition, Steel Deck Institute, Inc., Canton, Ohio, 1 987 9. "Fa...

Ngày tải lên: 08/08/2014, 13:20

... 1 988 ), and long periods of low pH substantially reduce fibrolytic activity (Argyle and Baldwin, 1 988 ). Passage behaviour of rumen fluid and particles is usually estimated by the application of ... profound 0 10 20 30 40 50 60 70 80 90 24 681 012 NDF intake (kg/day) Rumen degradability of NDF (% of intake) Fig. 10.1. Relationship between NDF intake (kg of NDF per day) and rum...

Ngày tải lên: 15/12/2013, 08:15

... [prob.] CONSTANT 3.47 58 0.73674 4.7179 [0.000] AGE Ϫ0.015339 0.014679 Ϫ1.0449 [0.2 98] GNI Ϫ0.3 984 E-5 0.1927E-4 Ϫ0.20672 [0 .83 6] LENGTH Ϫ0.0157 28 0.0 085 5 28 Ϫ1 .83 90 [0.0 68] BEACHES 0.56202 0.35317 ... 9.09 18. 18 8.9 Ireland 24.3 7 2. 68 42 .86 0.00 14.29 42 .86 0.00 5.9 Italy 33.0 66 25.29 33.33 25.76 21.21 7. 58 12.12 12.2 Poland 25.5 2 0.77 50.00 50.00 0.00 0.00 0.00 120...

Ngày tải lên: 06/08/2014, 20:22