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Comparison Study of Effective Length Method (ELM) and Direct Analysis Method (DAM) for Piperack

Authors(2):

Sabade Madhuri, Prof. A.A.Hamane
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Pipe racks are structures in petrochemical, chemical and power plants that are designed to support pipes, power cables and instrument cable trays. AISC 360-05 recognize effective length method and direct analysis method for stability analysis. In this thesis a study has been conducted on the pipe rack structure to compare these methods using the 3D structural analysis program STAAD.Pro V8i considering general requirements such as influence of second order effects (P-Δ and P-δ effects), flexural, shear and axial deformations, geometric imperfections and member stiffness reduction due to residual stresses. In this thesis, a study has been conducted on piperack structure to compare Direct Analysis Method and Effective Length Method. At the end, conclusions are drawn about the comparison of these two stability methods.

Sabade Madhuri, Prof. A.A.Hamane

Direct analysis method, Effective length method, Notional Loads, Pipe Rack, etc.

  1. American Institute of Steel Construction (AISC). (2005). "Specification for structural steel buildings (ANSI/AISC 360-05)." American Institute of Steel Construction, Inc. Chicago.
  2. American Institute of Steel Construction (AISC). (2010) "Specification for structural steel buildings (ANSI/AISC 360-10)." American Institute of Steel Construction, Inc. Chicago.
  3. Drake, R.M., & Walter, R.J. (2010). "Design of structural steel pipe racks." AISC Engineering Journal.
  4. White, D. W., Surovek, A. E., and Kin, S-C. (2007a). "Direct analysis and design using amplified first-order analysis. part 1 – combined braced and gravity framing systems." AISC Engineering Journal.
  5. PIP (2007), PIP STC01015, Structural Design Criteria, Process  Industry Practices
  6. American Society of Civil Engineers (ASCE). (1997) "Guideline for seismic evaluation and design of  petrochemical facilities." American Society of Civil Engineers, Reston, VA.
  7. AISC Steel design guide 28 : Stability Design of Steel Buildings

Publication Details

Published in : Volume 3 | Issue 2 | March-April - 2017
Date of Publication Print ISSN Online ISSN
2017-04-30 2395-1990 2394-4099
Page(s) Manuscript Number   Publisher
216-221 IJSRSET173276   Technoscience Academy

Cite This Article

Sabade Madhuri, Prof. A.A.Hamane, "Comparison Study of Effective Length Method (ELM) and Direct Analysis Method (DAM) for Piperack ", International Journal of Scientific Research in Science, Engineering and Technology(IJSRSET), Print ISSN : 2395-1990, Online ISSN : 2394-4099, Volume 3, Issue 2, pp.216-221, March-April-2017.
URL : http://ijsrset.com/IJSRSET173276.php