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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.
what is the theory of roof trusses practical?
Example of Bars of Varying Cross Section: In the numerical example under consideration δ = 750 × 300/( π/4) × 200 2 × 60 +750 × 400/(π/4) × 135 2 × 60 + 750 × 200/(π/4)
Explain Detention or Retention Ponds Detention/Retention Ponds: Designed to reduce and contain the peak runoff from developed areas (more impervious). Attempt to limit the runo
Q. What do you mean by GGBS – cement replacement? From structural point of view GGBS replacement enhances higher durability, lower heat of hydration and higher resistance to su
How do we overcome obstacle like river in chain survey?
What practical steps can one take to mitigate the adverse effects in using aggregates with higher than specified flakiness index in the production of concrete
Explain the Underwater Problems and Material Defects? The major bridge construction materials are steel and concrete. In the past, stone and brick masonry, with lime mortar as
HOW TO BUILD A HOUSE
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Roads in Hilly Areas: (a) The alignment selected should attain the changes in elevation by adopting the ruling gradient to the maximum length. Limiting and exceptional
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