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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.
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
Q. What is Raft Foundation? A raft or mat is combined footing that covers the entire area beneath a structure and supports all the walls and coloumn when the allowable soil pre
detail methods of underwater concreting
With respect to implementation of Civil Engineering projects explain the relevance of application of the principle of ''Working from Whole to Part''
Figure 2 details a typical T-beam unit in a beam and slab floor with a span of L = 10 m. Determine the reliable moment capacity M ′ for the T-section shown. Take f c ′ = 32
CBR Test is an arbitrary test', justify. Explain the procedure for conducting the CBR test in the field. Surcharge loads are used in the CBR test; Describe their significa
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where we can overlap steel in columns if we use 50 or 60 bar diameter as overlap length.
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Q. Explain procedure of remote sensing in Satellites? Satellites used for remote sensing are of two types, viz, geostationary and polar orbiting. Geostationary stationary satel
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