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Civil Engineering  Design of Reinforced Concrete Structures
Title: Design of Reinforced Concrete Structures
Department: Civil Engineering
Author: Prof. N. Dhang
University: IIT Kharagpur
Type: WebLink
Abstract: To explore the feasibility of improving the delivery process of reinforced concrete, wefocus in this paper on reinforcing bars (rebar) used in cast'in'place (CIP) concrete.Specifically, we describe the methodology for set'based design of rebar that we arepursuing in an ongoing research effort. Set'based design makes it possible to maintainfeasible solutions for longer in the design process than is otherwise affordable usingpoint'based design. It thereby allows for input from several project participants at thesame time and early on, as well as throughout project delivery. Set'based communicationhelps participants avoid rework and through teamwork develop a more globallysatisfactory design solution than would otherwise be the case. To illustrate themethodology, we examine the canonical example of reinforcement at a beam'column joint and study the relationships between those who design the joint and those whofabricate and install it: mainly the structural engineer, the fabricator, and the rebar placer.The set'based approach for concrete design is promising. It warrants further effort incharacterizing sets at different levels of abstraction and in articulating what differentparticipants value, both of which are needed for sets to be narrowed effectively and forthe process to lead to a solution.
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