Earthquake resistant design of structures question

Earthquake resistant design of structures question

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  SCHOOL OF ENGINEERING,CUSAT M Tech (PT) Second Semester Internal Examination – Dec 2014 CEC 3204a EARTHQUAKE RESISTANT DESIGN OF STRUCTURES Time: 45 min Marks : 20 Make reasonable Assumptions wherever necessary. All questions carry equal marks. Answer any two questions. IS : 1893 , IS:13920 codes permitted. 1 a) State the difference between static and dynamic loads. b) Explain how capacity based design derived its name with reference the procedure adopted. c) Calculate the seismic force distribution along height for a 5 storey railway station building at New Delhi with following data. Building height : 3.5 x 5 =17.5 m. Soil : medium ; Base width = 25 m ; Total DL floors & roof = 12500 kN ; Total LL on Floors = 5000 kN ; Total LL on Roof = 1875 kN. 2 a) State the usual range of damping of a metal frame structure. b) What are the different types of analysis that can be done to evaluate seismic load on an RCC framed structure. c) Explain the procedure to conduct a response spectrum analysis. 3 a) Name various tests used in earth quake resistant design of structures. b) What are the different types of seismic tests conducted on a civil engineering model ? c) Calculate the area of bar cross section of bar forming lateral ties to be used as special confining reinforcement of the column with Diameter = 600 mm , Nominal cover = 40 mm, Mix M 30 Steel Fe 500 reinforced with 8 nos of 16 mm dia bars spread equally along periphery. 4 a) What is the property of a structure that is linked to the serviceability? b) Define inter storey drift and over all drift index of a structure. c) Sketch typical beam and column sections and mark the lap zones, zones of special confining reinforcement. *****