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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.
The following test results were obtained for a 100 ml wastewater sample taken at the inlet to wastewater treatment plant. The tests were performed using the standard methods. Dete
Please help me to write a c program to find strength and efficiency of lap joint, single cover butt joint, double cover butt joint
1. What take place when float or slack of an activity is positive Ans: It represents a situation where extra resources are available and the completion of the project is not de
Define the Pressure on a vertical plane Fluid pressure increases linearly with increasing depth. The average pressure on a vertical plane occurs at the average vertical depth.
guide some topic names.
Determine the Statements about Unit Area or Borrow Pit? Ans: I. Sometimes called Average Depth II. Works well for volumes for building sites and surface mines III. Needs
short note
what''s a distomat?
Calculation of deformation For calculation of deformation at some stage before the total creep is reached, it may be assumed that about half the total creep takes place in f
Sub-surface Drainage: Sub-surface drainage is intended to take away the water seeping through the pervious layers of the soil, causing a high water table, or in cut slopes of
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