— structural steel steel pipe or tubing

... 1.28 Structural Steel Shapes and Plates / 1.1 Steel- Quality Designations / 1.6 Relative Cost of Structural Steels / 1.8 Steel Sheet and Strip for Structural Applications / 1.10 Tubing for Structural ... 90–110 65 75 80 90 22 22 19 19 19 18 19 21 18 17 16 — — — — — — — 18 16 15 14 ‫ن‬ 1.4 SECTION ONE TABLE 1.1 Specified Minimum Properties for Structural Steel Shapes and Plates* (Continued ) ASTM designation ... Harbor Dr., West Conshohocken, PA, 19428 For example, all steels covered by ASTM A588, ‘‘Specification for High-strength Low-alloy Structural Steel, ’’ are called A588 steel 1.1 STRUCTURAL STEEL...

Ngày tải lên: 14/03/2014, 18:26

... valuable were the structural steel design drawings for the WTC towers provided by the Port Authority of New York and New Jersey In addition, Laclede Steel Company, the fabricator of the floor trusses, ... numerous structural steel fabricators Results of the analysis are summarized in Chapter – Tower Design – Structural Steel Documents Chapter – Contemporaneous Steel Specifications Chapter – Contemporaneous ... statutory authority to make findings of fault nor negligence by individuals or organizations Further, no part of any report resulting from a NIST investigation into a building failure or from...

Ngày tải lên: 01/04/2014, 00:20

... cable stresses for analysis of: deflection theory for first-order elastic theory for seismic anchorages for cable forces in cable prestressing effects on cable stays for cables for (see Cables) ... diagrams for slope diagrams for flanges of: effective area of hole deductions for width-thickness limits for flexural formula for hollow structural section lateral support for limit states for link ... connectors) Sulfur Suspension bridges: analysis of: defined deflection theory for example of first-order elastic theory seismic anchorages for backstays for bracing for cable bands, for cable...

Ngày tải lên: 27/06/2014, 06:20

... or less (b) stories: a maximum of two stories Temporary support systems are required whenever an element or assembly is not or has not reached a state of completion so that it is stable and /or ... force is an important consideration when seismic force is resisted by elements in plan connected by longitudinal diaphragms or other horizontal systems In the design of temporary supports for ... Shimmed or Grouted Anchor Rod, Diameter, in 0.75 Anchor Rod, Diameter, in Anchor Pattern, in x in Hooked or Nutted 4X4 Anchor Pattern, in x in Embedment, in Cover Below Anchor, in Hooked or Nutted...

Ngày tải lên: 27/06/2014, 14:20

... Damping for floors is usually between percent and percent The lower value is for floors supporting few non -structural components, like for open work areas and churches The larger value is for floors ... DESIGNING WITH STRUCTURAL STEEL A GUIDE FOR ARCHITECTS SECOND EDITION PAGE CONTENTS OF IDEAS SECTION INTRODUCTION Structural Steel Today Structural Steel Framing Solutions for Multi-Story Residential ... fabricators and coating specialists—were assembled to provide the most up-to-date and accurate information on designing in structural steel Designing with Structural Steel: A Guide for Architects,...

Ngày tải lên: 27/06/2014, 22:20

... 36/A 36M Material Steel rivets Bolts High-strength bolts Steel nuts Cast steel Forgings (carbon steel) Hot-rolled sheets and strip Cold-formed tubing Hot-formed tubing Anchor bolts ASTM Designation ... shall prevail 6.1 The steel shall be made by one or more of the following processes: open-hearth, basic-oxygen, or electric-furnace 6.2 No rimmed or capped steel shall be used for plates and bars ... affect the properties of the material For plates produced from coils, two test results shall be reported for each qualifying coil See Note 7.2 The steel shall conform on product analysis to the requirements...

Ngày tải lên: 10/07/2014, 23:20

... channels Table — Universal beams Table — Universal columns Table — Universal bearing piles Table — Joists with taper flanges Table — Structural tees cut from universal beams Table — Structural tees ... extract may be reproduced, stored in a retrieval system or transmitted in any form or by any means ± electronic, photocopying, recording or otherwise ± without prior written permission from BSI ... mass per unit length; or b) + % of the actual mass per unit length where a minimum mass per unit length is ordered 5.2 Length Joists or channels ordered as “specified” or as “exact” lengths shall...

Ngày tải lên: 11/07/2014, 09:21

... or less (b) stories: a maximum of two stories Temporary support systems are required whenever an element or assembly is not or has not reached a state of completion so that it is stable and /or ... force is an important consideration when seismic force is resisted by elements in plan connected by longitudinal diaphragms or other horizontal systems In the design of temporary supports for ... some sort of temporary support during erection Non-self-supporting structures will require temporary support of the erection by definition 1.1 Types of Systems Lateral bracing systems for low-rise...

Ngày tải lên: 08/08/2014, 13:20

... and prior to base plate grouting, anchor rods may also resist compression loads and shears depending on the condition of temporary support for the column and the temporary lateral support system ... rupture of the anchor rods Buckling of the anchor rods Anchor rod nut pulling or pushing through the base plate hole Anchor rod "pull out" from the concrete pier or footing Anchor rod straightening ... work If the resistance of the partially completed work is not adequate, it must be supplemented by temporary supports and where E = the effect of horizontal and vertical earthquakeinduced forces...

Ngày tải lên: 08/08/2014, 13:20

... reduction factor of 0.75 is not applied to the wind Failure Mode 6: Anchor Rod Pull Out velocity because this check is for an actual expected velocity From Table 10, for the 3/4 in anchor rods spaced ... the tension reinforcing = pier depth - cover - 1/2 of the bar diameter C(d-a/2) Eq 4-17 In addition, to insure that the reinforcing steel can develop the moment, the vertical reinforcement must ... mode would be anchor rod pull out Example 4-2: = 21.4 kips for two rods (Controls) (Eq 4-15) Repeat Example 4-1 using outset anchor rods with embedded nuts Failure Mode : Anchor Rod Push Out (Does...

Ngày tải lên: 08/08/2014, 13:20

... State of California Department of Transportation (Caltrans) (9) The Wire Rope Technical Board does not set a factor of safety for wire rope used as temporary lateral supports for the diagonal ... Strength" for the rope designation and diameter produced The safe working load for wire rope is established by dividing the Normal Breaking Strength by a factor of safety This factor of safety ... core and (c) multi-wire strands laid helically around the core The wires which form the strands are available in grades, such as "plow steel" , "improved plow steel" and "extra improved plow steel" ...

Ngày tải lên: 08/08/2014, 13:20

... Shimmed or Grouted Anchor Rod, Diameter, in 0.75 Anchor Rod, Diameter, in Anchor Pattern, in x in Hooked or Nutted 4X4 Anchor Pattern, in x in Embedment, in Cover Below Anchor, in Hooked or Nutted ... type Anchor rod diameter Anchor rod pattern 10 Anchor rod termination, hooked or nutted 11 Anchor rod embedment 12 Anchor rod cover below bottom end © 2003 by American Institute of Steel Construction, ... in 4X4 Hooked or Nutted in Hook Hooked or Nutted in Hook Embedment, in Embedment, in Cover Below Anchor, in Cover Below Anchor, in Anchor Rods, Base Plate Shimmed or Grouted Anchor Rods, Base...

Ngày tải lên: 08/08/2014, 13:20

... Below Anchor, in Cover Below Anchor, in Anchor Rods, Base Plate Shimmed or Grouted Anchor Rods, Base Plate Shimmed or Grouted Anchor Rod, Diameter, in 0.75 Anchor Rod, Diameter, in Anchor Pattern, ... 4X4 Hooked or Nutted Embedment, in Cover Below Anchor, in Anchor Rod, Diameter, in Anchor Pattern, in x in Hooked or Nutted 0.75 Anchor Pattern, in x in Anchor Rods, Base Plate Shimmed or Grouted ... Anchor Rods with Leveling Nuts Anchor Rods with Leveling Nuts Anchor Rod, Diameter, in 0.75 Anchor Rod, Diameter, in Anchor Pattern, in x in 4X4 Anchor Pattern, in x in Hooked or Nutted Hooked or...

Ngày tải lên: 08/08/2014, 13:20

... Institute of Steel Construction, Chicago, Illinois, 1994 15 "Seismic Provisions for Structural Steel Buildings", 1992, American Institute of Steel Construction, Chicago, Illinois 16 "Standards for Load ... Ohio, 1987 "Falsework Manual", State of California, Department of Transportation, Sacramento, California 10 Fisher, James M., "Industrial Buildings - Roof to Column Anchorage", AISC Steel Design Guide ... publication or any part thereof must not be reproduced in any form without permission of the publisher Acknowledgements The authors wish to thank the American Institute of Steel Construction for funding...

Ngày tải lên: 08/08/2014, 13:20

... Anchor Plates and Welds PLATE ANCHOR ALLOWABLE CABLE FORCE, P (lbs.) Anchor Rods in Tension & Bending Anchor Rod Diameter, in Grout Depth in Table A-23 Allowable Cable Force, Type A Plate Anchor ... publication or any part thereof must not be reproduced in any form without permission of the publisher PUSH OUT SHEAR RESISTANCE, Group of Two Anchor Rods Clear Cover = inches Anchor Rod Anchor Rod ... publication or any part thereof must not be reproduced in any form without permission of the publisher CONCRETE PULL OUT RESISTANCE, Anchor Rods in Groups Anchor Embedment Depth = 12 inches Anchor Rod...

Ngày tải lên: 08/08/2014, 13:20

Ngày tải lên: 10/08/2014, 12:21

... The structural theory of Sec can be used to derive a formula for the horizontal component H of the reactions For example, for the arch of Fig 4.2a, ␦x is the horizontal movement of the support ... they incorporate second-order effects (Art 3.46) or reduction in plastic-moment capacity for members subjected to axial force and bending (Art 3.49) (E H Gaylord, Jr., et al., Design of Steel Structures, ... moment of inertial about minor axis shear modulus of elasticity torsional constant (3.170) GENERAL STRUCTURAL THEORY 3.97 FIGURE 3.89 Torsion-bending constants for torsional buckling A ϭ cross-sectional...

Ngày tải lên: 10/08/2014, 12:21

... applied Working values Q for shear connectors in Table 6.32 incorporate a safety factor of 2.5 applied to ultimate strength For use with concrete not conforming to ASTM C33 or C330 and for types ... reinforcement, ksi For concrete-filled pipe and tubing, c1 ϭ 1.0, c2 ϭ 0.85, and c3 ϭ 0.4 For concrete-encased shapes, c1 ϭ 0.7, c2 ϭ 0.6 and c3 ϭ 0.2 When the steel core consists of two or more steel ... requirements for qualification as a composite column: The cross-sectional area of the steel core—shapes, pipe, or tubing should be at least 4% of the total composite area The concrete should be reinforced...

Ngày tải lên: 10/08/2014, 12:21

... supports floorbeams on top flange FLOOR AND ROOF SYSTEMS 8.13 8.21 STAGGERED TRUSSES In an effort to provide a structural- steel framing system with a minimum floor-to- floor height for multistory ... Penetrations for ducts and pipes in beam or girder webs (a) Rectangular opening, unreinforced (b) Circular opening reinforced with a steel- pipe segment (c) Rectangular penetration reinforced with steel ... resistance factor for tension ϭ 0.90 resistance factor for flexure ϭ 0.90 The factored moments Mux and Muy should include second-order effects, such as P Ϫ ⌬, for the factored loads If second-order analysis...

Ngày tải lên: 10/08/2014, 12:21

... or exceed the effects of the nominal loads for each of the following load combinations: D D ϩ L ϩ (Lr or S or Rr) D ϩ (W or E ) D ϩ L ϩ (Lr or S or Rr) ϩ (W or E ) Wind or Earthquake Loads for ... L 1.6L ϩ 0.5(Lr or S or Rr) 1.6(Lr or S or Rr) ϩ (0.5L or 0.8W ) 1.3W ϩ 0.5L ϩ 0.5(Lr or S or Rr) 1.5E ϩ 0.5L ϩ 0.2S (1.3W or 1.5E ) Several exceptions apply: The load factor for E in combinations ... safety factor, ⍀, for ASD (Art 10.4.1) or multiplied by a resistance factor, ␾, for LRFD (Art 10.4.2) See Table 10.1 for ⍀ and ␾ values for the appropriate member or connection category 10.12...

Ngày tải lên: 10/08/2014, 12:21