Approximate Analysis of Open-Section Shear Walls Subject to Torsional Loading

by Arthur C. Heidebrecht, Assoc. Prof.; Dept. of Civ. Engrg. and Engrg. Mech., McMaster Univ., Hamilton, ON, Canada,
Bryan Stafford Smith, Prof.; Dept. of Civ. Engrg., Univ. of Surrey, Guildford, England, U.K.,

Serial Information: Journal of the Structural Division, 1973, Vol. 99, Issue 12, Pg. 2355-2373

Document Type: Journal Paper

Discussion: Rosman Riko (See full record)
Discussion: Findlay Stuart A. (See full record)

Abstract: A hand method of analysis is presented for the torsional warping behavior of nonplanar asymmetrical systems of shear walls such as the elevator and service shafts in tall buildings. The method is suitable for both uniform and nonuniform walls with or without constraining lintels, or internal floor slabs, or both. The basic governing equations are derived, and used to construct non-dimensional curves which allow the direct analysis of uniform open-section walls subject to uniformly distributed torsional moment. The transfer matrix method is used to extend the method for the hand analysis of nonuniform wall systems. The results for uniform and nonuniform examples are shown to compare closely with those obtained by a more exact computer analysis.

Subject Headings: Shear walls | Torsion | Computer analysis | Warpage | Asymmetry | Elevators | Shafts |

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