Rain water harvesting and water scarcity problem in Pakistan

The following paragraphs will explain a thing that will let anyone to easily say at the end that the problem always born while taking the solution within itself. The problem we were trying to get the rid off is basically “Water Scarcity” problem, it defines the shortage of water not due to the lack of … Read more

What is pile foundation? What are the Uses of different types of Piles?

A pile is a long slender foundation member, made either of timber, structural steel or concrete which might be cast-in-situ or driven and acts as a structural member to transfer the load of the structure to a required depth in deep foundations carrying a load which may be vertical or lateral or lateral plus vertical … Read more

What is scouring, Bridge Scouring? How to calculate Scour Depth?

Scouring can be defined as a process due to which the particles of the soil or rock around the periphery of the abutment or pier of the highway bridge spanning over a water body, gets eroded and removed over a certain depth called scour depth. Scouring usually occurs when the velocity of the flowing water … Read more

Global Warming and Climate Change efftects, reasons and differences

First let us talk about the brief introduction about what is global warming, what is climate change; what is the relationship between these two. Now for very common meanings Global warming may be defined as;     “A gradual increase in the overall temperature of the earth’s atmosphere generally attributed to the green house effect caused … Read more

California Bearing Ratio (CBR) for determining Shear Strength of subgrade

California Bearing Ratio (CBR) test is a compressive nature penetration test. It was originally developed by Caltrans i.e. California Department of Transportation after World War II i.e. in the late 1930s.  The test is specifically used to determine the mechanical strength as well as the potential strength of road subgrades and basecourses materials including the … Read more