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The Constructor - Civil Engineering Home for Civil Engineers

The Constructor - Civil Engineering Home provides informational resources to Civil Engineers around the globe on various subjects such as construction management, Structural Engineering, Building Construction Tips, How to Guides for Civil Engineers etc.

Terms and Definitions Used in Earthquake Engineering

There are various terms and definitions used in earthquake engineering. Basic earthquake engineering terms are presented in the following sections. 1. Earthquake It is a transient violent movement of the Earth's surface ...


A general loading on a box girder, such as shown in fig 1 for single cell box, has components which bend, twist, and deform the cross section. Thin walled closed section girders are so stiff and strong in torsion that ...

Splitting Tensile Strength of Cylindrical Concrete specimen

The tensile strength of concrete is one of the basic and important properties which greatly affect the extent and size of cracking in structures. Moreover, the concrete is very weak in tension due to its brittle nature. Hence. it is not expected to ...

Rubber Tired Metro

A Rubber-tyred metro is a form of rapid transit system that uses a mix of road and rail technology. In this the vehicles have wheels with rubber tyres like a bus, but using a set of two parallel concrete or ...

Plate Girder Bridges – Details and Design Requirements

Plate girders became popular in the late 1800's, when they were used in construction of railroad bridges. The plates were joined together using angles and rivets to obtain plate girders of desired size. By 1950's welded plate girders replaced riveted and ...

Chezy’s Constant and Manning’s Coefficient for Open Channels

OBJECTIVE: i. To find Chezy’s constant for open channels. ii. To find Manning’s Roughness coefficient for the given open channel. iii. To draw the following graphs for two different slopes of channel. iv. Chezy’s constant C vs. Reynolds number. v. Manning’s coefficient n vs. Reynolds ...