How to calculate the combined stresses, Civil Engineering

Compute the stresses at top and bottom fibers in a simply supported pre-stressed concrete beam with a rectangular cross section, 250 mm wide and 450 mm deep, as shown in Figure, at sections A-A, B-B and C-C, due to the following cases of pre-stressing.

(i)  A pre-stressing force of 350 KN concentrically applied.

(ii) A pre-stressing force of 260 KN, eccentrically applied with a constant eccentricity of 60 mm towards the soffit of the beam.

 In both the cases, the beam is subjected to its self load and an imposed load of 6 kN/m over the entire span of 5 m. Density of the beam may be taken as 24 kN/m3. Calculate the combined stresses at these sections at top and bottom fibres.

 

Posted Date: 10/5/2013 3:03:18 AM | Location : United States







Related Discussions:- How to calculate the combined stresses, Assignment Help, Ask Question on How to calculate the combined stresses, Get Answer, Expert's Help, How to calculate the combined stresses Discussions

Write discussion on How to calculate the combined stresses
Your posts are moderated
Related Questions
Explain Measured shovel Packing Measured shovel Packing essentially consists of accurate measurements of track defects particularly the unevenness and voids caused in the cour

Define Scour - Underwater Inspection of Bridges? Whenever a bridge crosses a waterway, even a small or intermittent one, scour is a dangerous effect that can damage bridge pier

modified pratt truss with detailing in 3D

history and development of indian road and planning

Explain the Confined Aquifer and Piezometric Surface Confined Aquifer Groundwater is confined by impervious geologic stratums on all sides. The water may be under pressure.


Q. Inspection and Quality Control Certificate : A 'lot' under inspection should be accepted by the inspector when no defect is found in the acceptance level tests and so certif

explain the steps to analyse a portal frame with sway condition

activity duration for stripping formwork

Q. Constriction of waterway at bridges? Constriction of waterway at bridges is effected by extending the approach banks to cover spill area or, in addition, part of active chan