In 1907, the losses of prestress due to elastic shortening of concrete was developed by ___________

In 1907, the losses of prestress due to elastic shortening of concrete was developed by ___________ Correct Answer Koenen

Koenon of Germany developed the subject by reporting in 1907, on the losses of prestress due to elastic shortening of concrete and Steiner recognized the losses due to shrinkage of concrete around 1908.
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Related Questions

Find the deflection due to self weight given that ϕ = 1.6, Ee = 2.6Ece, elastic modulus of concrete is 34×103, gravity is given as 6, self weight is 0.76, Length of the cable is 1000, elastic modulus of concrete is 34×103 , Moment of inertia is 3200×105?
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1. It is an arrangement where by the branches of a bank sell/distribute insurance products of an insurance company.
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3. It is a new product launched by the banks by which they are providing insurance cover to exporters/importers for the losses, if any due to high fluctuations in the exchange rates of dollars and other major currencies.
Select the correct answer
The cross section of a prestressed concrete beam is 100mm wide and 300mm deep and the initial stress in tendons are located at a eccentricity of 50mm is 1000n/mm2, the sectional area is 100mm2. Find rotation due to prestress (hogging moment)?