problem8_part1 - 22.314/1.56/2.084/13.14 Fall 2006 Problem...

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Unformatted text preview: 22.314/1.56/2.084/13.14 Fall 2006 Problem Set VIII Due 11/09/06 Consider the pre-stressed concrete containment example of Problem Set L.54. Evaluate the impact of changing the longitudinal tendon pitch from 165 mm to 200 mm on the required prestress level to prevent tensile stresses in the concrete upon pressurization. 1 S t r u c t u r a l Xechanics i n Nuclear Power Technoloa (1.5653, 2.0845, 3.827, 13.143, 16.2613, 22.3143) 7 Problem Set L. 54 This problem i l l u s t r a t e s some of t h e concepts i n reinforced/ prestressed concrete containment s t r e s s calculationr. , 1. Geometq Consider the concrete and s t e e l geometry of Fig. 1 f o r a s e c t f o n of a c y l i n d r i c a l containment s h e l l . Directions -+1 depth.= 165 S t e e l Radial Longitudinal Tendons Hoop pitch = 165 iameter = 57 Concrete Inside Radius = 20 600 Wall Thickness = 1380 Figure 1 Section Normal to the Longitudinal Axis of the Containment Shell (dimensions i n -1....
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problem8_part1 - 22.314/1.56/2.084/13.14 Fall 2006 Problem...

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