4. Dhruti J. Dhyani (2015) Optimum outrigger location in outrigger structural system for high rise building, International Journal of Advance Engineering and Research Development, Volume 2, … When using outrigger beams in building design, their location in the optimum position for an economic design is necessary. 2. Abstract. If there would be no lateral forces on the building such as wind or earthquake, any high-rise building could be designed just for gravity loads. Submitted By: Neeraj Agrawal. As the outrigger Outrigger System 2.1. Read online. demand on the structural system dramatically increased, and as a result, the total structural material consumption increases drastically (Ali, 2001). Krunal Z. Mistry, Proff. This leads to lateral deflection and moments in the central core lesser than that generated by a free standing shear wall. Introduction The race to the sky started from the time of the Tower For 30−storey model, 23% maximum displacement reduction can be achieved by providing first outrigger at the top and second outrigger in the structure height. Core-outrigger structural systems are discussed with emphasis on their adaptability. The concept of outrigger system, optimum topology, and design and construction consideration will also be discussed and presented. The outrigger structural system is one of the most widely used lateral load-resisting structural systems for high-rise buildings. drifts. principle has been improving its efficiency. The stiffness and location of the Belt truss system. Progressive collapse resistant design focusses on reducing the risk of the disproportionate collapse associated with the loss of primary load-carrying elements. The outrigger structural system is commonly used to control the excessive drift due to lateral load, so that, during small or medium lateral load due to either wind or earthquake load, the risk of structural and nonstructural damage can be minimized. Fig -1: Evolution of Structural Systems 2. This paper discusses the structural challenges and solutions of the 632m tall Shanghai Tower. A novel damped outrigger system has been recently proposed for tall buildings, and is quite promising. 3. In an outrigger structural system with a braced core, the core carries lateral shear forces and part of the overturning moment. Some of the major factors of influence are: 1. A unique “Core-Outrigger-Mega Frame” lateral system is used to meet China code requirements. Dhruti J. Dhyani (2015) Optimum outrigger location in outrigger structural system for high rise building, International Journal of Advance Engineering and Research Development, Volume 2, Issue 5, 266-275. Accumulation of growing population especially in developing countries has resulted in an increased height of buildings, this need creating impact on structural development of tall building. Design considerations are made according to Indian Standards. This work presents the performance analysis of such outrigger structural system with dampers. Outrigger-Braced Structural System Outrigger are rigid horizontal structures designed to improve building overturning stiffness and strength by connecting the core or spine to distant columns[3].Outrigger systems functions by tying together two structural systems- typically a core system and a perimeter system to yield whole The Analysis of the tall building is carried out to find the optimum position of outrigger system and belt truss by using lateral loads. A Study on Static and Dynamic Behavior of Outrigger Structural System for Tall Buildings December 2012 Bonfring International Journal of Industrial Engineering and Management Science 2(4):15-20 In a flat plate system, the floor consists of a concrete slab of uniform thickness which frames directly into the columns. Further this outrigger system is provided with dampers to improve the efficiency of the structure. To gain insight into the conceptual design of such systems, a simple beam-damper system model for a building with such dampers installed is developed and studied. Lateral shear forces and part of the disproportionate collapse associated with the loss of primary load-carrying elements efficiency of outrigger structural system journals! Stiffness and location of the Belt truss system focusses on reducing the risk of the major factors of influence:... Optimum topology, and design and construction consideration will also be discussed and presented proposed for tall buildings and! 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