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Explain about the Hydrogen Embrittlement
As a result of the action of acids on high-tensile steels, liberation of hydrogen takes place. It penetrates into the steel surface and makes it brittle and fracture prone. Even small amounts of hydrogen can cause significant damage to the tensile strength of high-tensile steel wires. Use of high-alumina cement and blast furnace slag cement can cause hydrogen embrittlement in wires. In order to prevent it taking place, it is essential to properly protect steel from the action of acids. Protective coverings should be provided over the tendons for this puruose.
Explain the Steady and Uniform Flow Steady flow: Flow quantity does not change over time. Uniform flow: The slopes of the energy grade line S = dE/dL, the hydraulic grade li
Thermal stresses: In Thermal stresses, you have studied (a) The effect of temperature on bodies and materials, (b) The concept of thermal stresses, and (c) The techni
Define Influence lines Provides information at a single point on a beam Can be used for: - Reactions - Internal shear forces - Internal moment Indicate
State the process to calculate the Transmission Length It is the distance required at the end of a concrete member for developing the maximum tendon stress by bond.
what are the types of foundations
Loss of Prestress due to Elastic Shortening of Concrete Due to elastic shortening of concrete, tendons are able to reduce their stretched length to the same extent upto which
on timber, varieties , preservation, and seasoning of timber
Explain Box jig? a) The box jig is so named because of its box shaped construction, closed from most of the sides. b) It is normally designed for those components having awk
Askobstacles I ranging andsurvey question #Minimum 100 words accepted#
Question Give genuine reason that why are steel tubular marine piles often driven open-ended? Answer In marine structure where piles are constantly topic to major la
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