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What is the external load acting on a pre-stressed beam
In the elastic range, a variation in the external load acting on a pre-stressed beam results in a change in the location of the pressure line. If the load is increased, the shift in the location of the pressure line continues at a relatively uniform rate upto the point where cracks develop in the tension fiber. The rate of movement in the pressure line decreases (even though the external load is increased) when the cracking load is exceeded. This change in the action of the internal moment continues until the movement of the pressure line ceases.
Vertical Curves: When two vertical gradients meet, it is necessary to provide a vertical curve. Two types of vertical curves are used: (a) Summit curve, where the point of
Sieve Analysis - Soil Mechanics and Foundations a. Sieve Analysis used to obtain the grain size distribution of coarse-grained soils (sands and gravels) larger than 0.075 mm (r
State the Problem and phases of site investigation The site investigation is to be performed to obtain the solution for the following problems: i) Foundation problems ii
A rectangular foundation, 2 m × 4 m, transmits a uniform pressure of 450 kN/m 2 to the underlying soil. Verify the vertical stress at a depth of 1 metre below the foundation at a
distinush between determinant and indeterminant plane trusses
Design the 2-span continuous center T-beam, B2, for the floor syetem shown below. The girders that the beam frames into are all 24" wide. Using fc'= 5 ksi, and fy = 60 ksi. The ser
Determine the interdependent phases of investigation The following are the interdependent phases of investigation: i) Stratigraphical survey, ii) Physical survey, and
what is meant by white topping cement
Importance of Tendons in post-tensioned members Tendons in post-tensioned members are subjected to different amounts of stresses (among themselves) due to following reasons.
Design volume of the aeration basin - sewer construction: Problem: What is the design volume of the aeration basin? Solution Assuming that 30% of the plant influe
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