PERFORMANCE BASED SEISMIC AND WIND ENGINEERING FOR 60 STORY TWIN TOWERS IN MANILA
The 14th World Conference on Earthquake Engineering
October 12-17, 2008, Beijing, China
M.R. Willford and R.J. Smith
This paper describes the structural design of two similar 60 storey towers in Manila using performance based
procedures for seismic and wind actions. High-rise buildings designed by performance based methods not only
perform better than conventionally designed ones, but are also less expensive to construct. The buildings
incorporate the Arup Damped Outrigger System, and the savings realized by this are discussed.
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1)Multiple Bolt Anchorages: Method for Determining the Effective Projected Area of Overlapping Stress Cones. Author: M. Lee Marsh And Edwin G. Burdette
2)Anchorage of Steel Building Components to Concrete
Author: M. Lee Marsh And Edwin G. Burdette
This is a slide presentation regarding how to write successful academic paper/Journal. Hopefully it is useful for those who work as researcher and student.
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I have some towers 30-40m high to design
I would be very grateful to anyone of you who can post a link regarding the design of such towers.
The relevant code of practice for the design is BS 8100
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Does anybody have a working link to Manual J by ACCA (Air Conditioning Contractors of America)? Both Manual J and Software that goes with it, if available.
LRFD Steel Design, AASHTO LRFD Bridge Design Specifications, Example Problems
Author: Dr. James A Swanson | Size: 5.79 MB | Format:PDF | Year: 2007 | pages: 217
ODOT-LRFD Short Course - Steel AASHTO
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Rules for Member Stability in EN 1993-1-1: Background documentation and design guidelines
ISBN 92914700084
Authors TC 8
Publisher ECCS
Year 2006
Resume:
This volume intends at helping in the understanding of the new design rules for member stability in Eurocode 3 Part 1.1 (EN 1993-1-1:2005). In particular, the new recommendations for lateral torsional buckling and beam-column stability in chapter 6.3.3 (4) of Eurocode 3 are concerned. It is divided into two independent parts A and B.
Part A, devoted to the background of the proposed formulae, gives further information on the way the formulae have been built and validated. Moreover, the different basic concepts used in the formulae are detailed, for the two sets of formulae proposed in the code. It is to be noted that a great number of papers prepared within the development of the formulae are made available by means of a CD-Rom that is part of this publication.
Part B is dedicated to practitioners; it contains fully detailed worked examples on isolated members, from basic situations to the most complex one. In addition, an example of design of a member extracted from a frame is also given. Furthermore an annex shows especially the determination of the elastic lateral torsional buckling moment for different loading and support conditions.
Freeze-Thaw Resistance of Concrete With Marginal Air Content
Author: Jussara Tanesi and Richard Meininger | Size: 2.02 MB | Format:PDF | Publisher: FHWA | Year: 2006 | pages: 96
Freeze-thaw resistance is a key durability factor for concrete pavements. Recommendations for the air void system parameters are normally: 6 ± 1 percent total air, and spacing factor less than 0.20 millimeters. However, it was observed that some concretes that did not possess these commonly accepted thresholds presented good freeze-thaw resistance in laboratory studies. This study evaluated the freeze-thaw resistance of several “marginal” air void mixes, with two different types of air-entraining admixtures (AEA)—a Vinsol resin and a synthetic admixture. This study used rapid cycles of freezing and thawing in plain water, in the absence of deicing salts. For the specific materials and concrete mixture proportions used in this project, the marginal air mixes (concretes with fresh air contents of 3.5 percent or higher) presented an adequate freeze-thaw performance when Vinsol resin based air-entraining admixture was used. The synthetic admixture used in this study did not show the same good performance as the Vinsol resin admixture.
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Description
Here it is, the first comprehensive reference guide that brings together the complex analytical techniques and detail design approaches necessary for every type of floating structure from FPSOs to innovative spars and TLP’s. This sensational reference consists of 1,200 pages spread over two volumes.
The Floating Structures guide was developed with 32 international sponsors and 22 authors from seven major companies. This highly complex project is valued at over $680,000! Now you can reap the rewards of years of hard work and learn from the best in the industry.
* Floating production types and their suitability for different types of field applications
* The worldwide ocean environment with comprehensive weather parameter data
* Hydrodynamics and dynamics, wave frequency, slowly varying high frequency and impulsive wave loads and responses
* Statics - stability and the ways in which hydrostatics are included in various different types of dynamic analysis plus stability regulations
* Dynamic response, spectral analysis techniques and checking methods for dynamic analysis
* Structural analysis and the options available
* Fatigue and fracture checking of structural steel and concrete including TLP’s
* Position keeping using catenary moorings, taut tether systems and DP
* Rigid steel and flexible risers analysis and design
* Fabrication of steel and concrete "floaters"
* Actual analysis of semi-sub and ship-shaped production installations bringing together their overall design methodology. For further details ask for a copy of the full contents list. This book is simply too good to miss.
DIRECT LINKS
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