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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.
Statically indeterminate structures a. Fall into two categories: 1. Beam problems with additional supports/restraints 2. Axial bar members subjected to temperature/forc
types of truss of 15 m cantilever with 1000 kg on free end. May be steel or any lightest material aluminium anodized truss. thanks
Define Equipments required for conducting UWMT? Equipments required for conducting UWMT are: Inspection Equipment: a) Electronic yoke with power cable b) Ground fault interr
Purposes of subdivision of tunnelling faces in Sprayed Concrete Linings (SCL) method In using sprayed concrete lining methods for lining a large tunnel in soft ground, tunnelli
Explain Information Processing and Perception - Driver Performance The time required to respond successfully to any driving situation, such as an emergency, involves four stage
What are borrow pits?
Ask questa) In an unloaded propped cantilever, the propped end sinks vertically relative to the fixed end by an amount ? due to poor construction of the foundation of the prop. Wha
component of bridge flooring
Modulus of elasticity of light-weight concrete The modulus of elasticity of light-weight concrete is about 50 to 55% of that of normal-weight concrete. The loss of prestresses
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