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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.
Q. What do you mean by Synoptic Coverage? Depending upon the area of interest, areas covering few hundred sq m to thousands of sq km can be suitably collected and studied. Phot
why do we use effective depth ''d'' in calculating the shear capacity of uncracked Concrete beam. If it is uncracked, why cant we use the full depth ''D''.
What are Aquifers? Water bearing, underground geologic formations. The subsurface formations are composed of soils and rocks with voids saturated with water.
Define in brief about the term - Concrete Concrete is reinforced with steel bars in structural components so that the tensile stresses are taken up by the reinforcement. These
Why I is the missing after h and J is written in the classification of building
construction & working of rope brake dynamometr
Q. Illustrate Truss with K-bracing ? In the arrangement of triangulated framework in truss structures, it's more economical to design longer members as ties whereas shorter one
Question What are thought in determining whether casings have to be left in for mini-piles ? Answer Contrary to most of pile design, design of min-piles is controlled
• Applied loads result in internal forces consisting of a shear force (from the shear stress distribution) and a bending moment (from the normal stress distribution) • Bending s
Calculate the surface dimensions of Sedimentation Tank A treatment plant upgrade calls for design of sedimentation basins to handle a flow rate of 8 MGD. The basins are for a T
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