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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.
Define the Spalling - underwater inspection of bridge? A spall is a roughly circular or oval depression in the concrete. Corroding reinforcement can cause spalls and reinforcin
Resultant Force on a Given Area of an Inclined Plane The resultant force is calculated from the average pressure: R = (AVERAGE P)(A)
How to calculate economic span of ss bridge
Determine about the long-term deflections For long-term deflections, the total long-term deflection due to the prestressing force, dead load and any sustained imposed load may
Q. By which Materials Shank of a spur construct? Shank of a spur is constructed of sand core and its exposed faces are protected by stone pitching. The attack at nose is very h
Explain the Normal Depth Equation The equation is derived from the Chezy-Manning equation. As written below it determines the diameter of a circular storm or sanitary sewer wh
uses of timber in civil engineering field and its physical state and chemical formula or symbol?
Explain the Modular Incinerators 1. Prefabricated units with capacities of 4.5 to 107 tons of solid waste/day 2. Most use a system involving two combustion chambers.
Question Explain components of a typical expansion joint? Answer Dowel bar-This is major component of joint. It serves to guide direction of movement of concrete growth. Therefo
how do i Setting up The total station theodolite?
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