Archive for the ‘Engineering Materials’ Category
Definition of seasoning of Timber The process of removing moisture or sap from freshly cut timber is known as seasoning of timber. The following two methods are used for seasoning of timber.
The coordinating dimensions are a measure of the physical space taken up by a brick together with the mortar
Definition: “Concrete is a mixture of Coarse Aggregates and Fine aggregates and binding material with
It is the property of cement due to which it undergoes large change in volume after setting.This change in volume may cause
The type of cement which is used in where soil or water having more sulphates of various mineralsis known as Sulphate Resisting Cement.
It is the measure of correct amount of water added to the specific quantity of the cement to attain the mixture of normal consistancy.
This type of cement sets very quickly and is used where quick setting is required.Its initial setting time is 5 minutes and final setting time is 30 minutes.
In massive structures, high heat of hydration may produce cracks.So Low heat cement is made by adding Tri calcium aluminate and silicate
Initial Setting Time of Cement The time when the cement water paste attains a certain degree of hardness is known as initial setting time of cement.