F
Fazlur R. Khan
Researcher at Skidmore, Owings & Merrill
Publications - 18
Citations - 286
Fazlur R. Khan is an academic researcher from Skidmore, Owings & Merrill. The author has contributed to research in topics: Shear wall & Shrinkage. The author has an hindex of 9, co-authored 18 publications receiving 276 citations.
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Journal ArticleDOI
Interaction of Shear Walls and Frames
Fazlur R. Khan,John A. Sbarounis +1 more
TL;DR: In this article, the distribution of lateral forces and their effects on the resisting elements of buildings braced with shear walls are obtained by an iterative method directly applicable to design, which is suitable both for manual computations as well as for relatively small computers with memory capacity less than 20,000 digits.
Journal ArticleDOI
Effects of Column Creepand Shrinkage in Tall Structures-Predictionof Inelastic Column Shortening
Mark Fintel,Fazlur R. Khan +1 more
Abstract: BASED ON THE PRESENT STATE OF THE ART, A PRACTICAL DESIGN PROCEDURE IS PRESENTED TO PREDICT THE CREEP AND SHRINKAGE STRAINS IN COLUMNS OF MULTISTORY BUILDINGS, CONSIDERING THE EFFECTS OF LOADING HISTORY, MEMBER SIZE AND PERCENTAGE OF REINFORCEMENT. ALTHOUGH THE MAGNITUDE OF CREEP AND SHRINKAGE OF PLAIN CONCRETE SPECIMENS MAY VARY CONSIDERABLY, THE FINAL INELASTIC STRAINS IN REINFORCED CONCRETE COLUMNS AND WALLS HAVE MUCH LESS VARIATION DUE TO THE RESTRAINING EFFECT OF THE REINFORCEMENT. ELEMENTS WHICH RECEIVE A SUBSTANTIAL LOADING AT EARLY AGES, SUCH AS PRESTRESSED ELEMENTS AND COLUMNS IN THE UPPER STORIES OF TALL STRUCTURES OR COLUMNS OF LOW-RISE STRUCTURES, ARE PRONE TO HIGHER SHRINKAGE AND CREEP STRAINS. LOWER STORY COLUMNS OF TALL STRUCTURES HAVE CONSIDERABLY SMALLER CREEP AND SHRINKAGE STRAINS THAN COMMONLY ASSUMED AS A RESULT OF: (1) INCREMENTAL LOADING OVER A LONGER PERIOD OF TIME WHICH REDUCES CREEP; (2) A SUBSTANTIAL VOLUME-TO-SURFACE RATIO WHICH REDUCES SHRINKAGE; AND (3) A SUBSTANTIAL PERCENTAGE OF REINFORCEMENT WHICH REDUCES BOTH SHRINKAGE AND CREEP. IN A TALL STRUCTURE THE RELATIVE VERTICAL MOVEMENT BETWEEN COLUMNS AND ADJACENT WALLS CAN CAUSE STRUCTURAL AND ARCHITECTURAL DISTRESS UNLESS PROPER DESIGN AND DETAILS ARE PROVIDED. /AUTHOR/
Effects of column creep and shrinkage in tall structures - prediction of inelastic column shortening
Mark Fintel,Fazlur R. Khan +1 more
TL;DR: In this paper, the authors present a design process based on the present state of the art to predict the CREEP and SHRINKAGE STRAINS in columns of multiple-history buildings.