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What is Thermo-electric prestressing
We know that, stretched tendons are used in prestressed concrete. Stretching of tendons may be accomplished by using jacks or by other means. Thermo-electric prestressing is just another method of stretching the tendon wiers. We know that if we increase the temperature of a metal, it expands. As the name suggests, in Thermo-electric prestressing, temperature of tendon wires is increased by passing electric current for a short duration. This temperature increase, taking place within 3-5 minutes, may be of an order of 300-400°C. The bars, which may undergo an expansion of about 0.4-0.5% in length, try to shorten at cooling butare checked by fixed anchors at the two ends.
Calculate the change in volume: If the bar is 1 m long with rectangular cross section of 300 mm deep and 400 mm wide, compute the change in volume of the solid because of a lo
spiral curves?
The most probable value of the following observations on the same angle (35º 17' 42" ; 35º 17' 38" ; 35º 18' 00" ; 35º 17'; 22"; 35º 17' 42"); is most nearly: 35º 17' 40.8
Q. Estimation of design flood discharge? These methods are also in vogue for estimating maximum discharge. Discharge estimated using the above three methods may be compared wit
GIVE IN DETAIL THE TREATMENT OF TOP SURFACE OF EARTH FILLING..
Cement is usually purchased as a powdery substance that is mixed with sand, aggregate, gravel, and water to form concrete. As the cement itself is usually a powder, it is hard to c
demonstrate your understanding of the term setting out
With the aid of Mohr's circle diagram describe what means by active and passive Rankine states is in a cohesionless soil with a horizontal surface. As obtain an expression for the
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Explain the Rippl Diagram or Mass Diagram For a potable water reservoir, it is the simultaneous plots of the cumulative inflow and cumulative water consumption/demand, termed "
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