• Book Name: Ultimate Limit State Analysis and Design of Plated Structures by Jeom Kee Paik
  • Author: Jeom Kee Paik
  • Pages: 661
  • Size: 25 MB

Ultimate Limit State Analysis and Design of Plated Structures

Plated structures are important in a variety of marine- and land-based applications, including ships, offshore platforms, box girder bridges, power/chemical plants, and box girder cranes. The basic strength members in plated structures include support members (such as stiffeners and plate girders), plates, stiffened panels, grillages, box columns, and box girders. During their lifetimes, the structures constructed with these members are subjected to various types of actions and action effects that are usually normal but sometimes extreme or even accidental.

In the past, criteria and procedures for designing plated structures were primarily based on allowable working stresses and simplified buckling checks for structural components. However, it is now well recognized that the limit state approach is a better basis for design because it is difficult to determine the real safety margin of any structure using linear elastic methods alone. It also readily follows that it is of crucial importance to determine the true limit state if one is to obtain consistent measures of safety that can then form a fairer basis for comparison of structures of different sizes, types, and characteristics. An ability to better assess the true margin of safety would also inevitably lead to improvements in related regulations and design requirements.

Ultimate Limit State Analysis and Design of Plated Structures

Today, the preliminary design of ships including naval and merchant vessels, offshore structures such as ship-shaped offshore installations, mobile offshore drilling units, fixed-type offshore platforms and tension leg platforms, and land-based structures such as bridges and box girder cranes tends to be based on limit state considerations, including the ultimate limit state. To obtain a safe and economic structure, the limit state-based capacity and structural behavior under known loads must be assessed accurately. The structural designer can perform such a relatively refined structural safety assessment even at the preliminary design stage if simple expressions are available for accurate prediction of the limit state behavior. A designer may even desire to do this for not only the intact structure but also structures with premised damage to assess their damage tolerance and survivability.

Although most structural engineers in the industry are very skilled and well experienced in the practical structural design aspects based on the traditional criteria, they may need a better background in the concept of limit state design and related engineering tools and data. Hence, there is a need for a relevant engineering book on the subject that provides an exposition of basic knowledge and concepts. Many structural specialists in research institutes continue to develop more advanced methods for the limit state design of plated structures, but they sometimes lack the useful engineering data to validate them. 

Ultimate limit state analysis and design of plated structures pdf download.

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