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Durability requirements for Concrete
Even though the alkaline environment of concrete protects steel, carbonation of hydrated cement may decrease the effective protection. The codes give guidelines regarding the minimum cover to be provided to the reinforcement and the density of concrete for this purpose.
Q. Describe types of Spurs? Spurs can be of varied types. They may be either permeable or impermeable. Permeable spurs are open structures constructed by driving wooden balties
Q. Effect of Footing Size on Stress Zone? The modulus of elasticity of the soil may be determined by plotting stress-strain diagram based on triaxial test or plate load test.
Q. Specification of Wood work for Door? 1. General - Timber for door, window and ventilators frames shall be as specified. Timber shall be sawn in the direction of the grains.
In carrying out pull-out tests for soil nails, it generally requires the unloading and loading of soil nails of several cycles up to 80% of ultimate tensile strength of soil nails.
Define the concept of Creep of Concrete Creep of concrete is another important characteristic. It represents progressive strains in concrete which occur at constant value of st
Check Rail on Curve - Check Rails are basically provided on sharp curves to reduce the lateral wear on the outer rail. They also prevent the outer wheel flange from mounting o
hoyers long line method?
Define Inspection of Pier or Abutment? Inspection of pier/abutment may then be carried out as under: i. Conduct visual inspection of the entire surface using up and down swe
Produce a manual determination to determine the instantaneous rate of heat loss (kW) through one part of the fabric (eg roof, glazed area, wall) based on an internal building desig
what will be the w/c ration and cement/fly ash ration for the particular mix design
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