Types of Rail Joint & It’s Basic Requirements
Types of Rail Joint : Square Joint, Staggered Joint, Suspended Joint, Supported Joint, Bridge Joint. They are classified on basis of position of Joint & Sleeper.
Ballast in Railway : Types and Functions
Ballast in railway is layer of broken stones, gravel, moorum or any other gritty material, packed below and around the sleepers. Types of ballast in railway
Coning of Wheels
The flanges of the wheels of railways are made in the slope of 1 in 20. This is termed as Coning of wheels. It is done to distribute equal load on track.
Tape Correction in Surveying
The tape correction used in surveying are as follows : Correction for Standardization, Correction for Slope, Correction of Pull, Correction for Temperature, Correction for Sag, Normal Tension, Correction for Misalignment and Reduction of length to mean sea level.
Methods of Levelling Used in Surveying
The important methods of levelling used while surveying are as follows : Barometric Levelling,Trigonometric Leveling, Spirit Leveling, Differential Leveling
Creep of Rail : Causes, Effects and Prevention of Creep
Creep of Rail is defined as a longitudional movement of rail with respect to sleeper. The creep of rail is common to all railway tracks.
Types of Scales in Surveying
In surveying there are 5 types of scales : plane, diagonal, chord, vernier & micro scales. Types of scales are mainly classified as large, medium and small.
Surveying : Introduction to the Concept of Surveying
Surveying is the science and art of determining the relative positions of various points above, on or below the surface of the earth.
Types of Buildings Classified by NBC of India
Different types of buildings classified according to NBC India are Residential Buildings, Educational Buildings, Institutional Buildings, Assembly Buildings
Water-Cement Ratio and It’s Importance
Water-Cement ratio means the ration between weight of water to the weight of cement used while preparing concrete mix. Water Cement ratio plays important role in developing the strength of concrete.