Crosshole Sonic Logging (CSL) is one of the most accurate pile integrity tests to determine the integrity of deep foundation elements. CSL sends ultrasonic pulses through the concrete from one probe to another probe present in a pile and ...
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Millau Viaduct: Construction Features of the World’s Tallest Bridge

The Millau Viaduct is the world’s tallest bridge constructed to connect Northern Europe and Eastern Spain. With its eight spans suspended from seven pylons, the total height of this cable-stayed bridge is 345 m, which makes it taller than ...
What are the Installations Required in a Tunnel?

In civil engineering, tunneling is one of the few areas where new horizons are constantly being explored. It is an exciting and rapidly evolving field in which pioneering processes are commonplace and innovative ideas continue to rewrite the rules. ...
Mackinac Bridge: Construction of the Most Aerodynamically Stable Suspension Bridge

The Mackinac Bridge in Michigan is a bridge of ideal, assured aerodynamic safety secured without sacrificing either economy or graceful proportions. The design of the bridge, with a main span of 3800 ft., was predetermined scientifically, in final form, ...
5 Disastrous Foundation Failures in New York City

Foundations are susceptible to movements if the applied loads are not in proportion with the design, causing a downward motion known as settlement. Settlement can be tolerated by the structure provided the loads do not exceed the allowable bearing ...
4 Important Non-Destructive Geophysical Soil Investigation Methods

The geotechnical investigation for any worksite is preceded by the preliminary geological-geotechnical survey. This consists of an on-site superficial survey, sometimes involving small investigation activities, such as the opening of shallow pits and shafts. Usually, the field visit is ...
Top 12 Soil Problems in the World

Soil is used for a variety of purposes including cropping, pasturing, gardening, forestry, agroforestry, construction, etc. The aim is always to find the most suitable type of soil to get the best outcome. Especially in agriculture, the desired yield ...
Void Forms in Foundation Construction: Their Types and Applications

Void forms are sacrificial formwork members designed to provide a space between the concrete foundation and expansive soil, i.e., to protect the foundation from the heave of the underlying soil. They also offer a temporary support formwork for recently ...