How to calculate the combined stresses, Civil Engineering

Assignment Help:

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.

 


Related Discussions:- How to calculate the combined stresses

Define electrical tool for underwater inspection of bridge, Define Electric...

Define Electrical tool for underwater inspection of bridge? Electrical equipment like Rebar Scanner for scanning of rebars; underwater sonic and ultrasonic equipment for observ

Determine the specific gravity of solids, The Atterberg limits of a clay so...

The Atterberg limits of a clay soil are: Liquid limit = 63%, Plastic limit = 40%, and shrinkage limit = 27%. If a sample of this soil has a volume of 10 cm 3 at the liquid limit a

Permissible bearing pressure on poly tetra fluoro ethylene, Define Permissi...

Define Permissible Bearing Pressure on poly tetra fluoro ethylene? For the purpose of design, it is important to lay down permissible bearing pressure on PTFE sliding surfaces.

Finding the Point of Contraflexure, Hi, I am struggling with some beam desi...

Hi, I am struggling with some beam design, I need to find the bending moment of a continuous beam. It has 3 supports, each end is pinned and the middle support is off centre and fi

Surveying, Distance ABC was measured with a 30m. Chain tested and found to ...

Distance ABC was measured with a 30m. Chain tested and found to be correct in the beginning of the work .after measuring AB=1.2 km chain was found to be 10 cm. To long chaining was

Plagiarism, what is the importance of plagiarism in civil Engeneering

what is the importance of plagiarism in civil Engeneering

Calculate the cost to finance the construction project, A contractor is bid...

A contractor is bidding a construction project that will take 12 months to complete. The terms of the bid provide that the owner will pay the Contractor one lump sum at the end of

Determine the project duration and critical path, Critical Path - Activity ...

Critical Path - Activity on Node The project precedence table shown below provides the relationships and durations of all activities. Based on end-of-day calculations for start

Explain the unit hydrograph method, Q.- Explain the Unit hydrograph Method ...

Q.- Explain the Unit hydrograph Method for estimation of peak flood discharge in a river. Ans.- Unit hydrograph Method A hydrograph is a representation of hydraulic cha

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd