Optimizing Soldier Pile Wall Displacements: DRS Engineering’s Smart, Cost-effective Results begins on Jul 15th 2026
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On This Day | April 30

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2022
Cebu-Cordova Link Expressway opened

The Cebu-Cordova Link Expressway (CCLEX) is an 8.9-kilometer (5.5 mi) toll bridge expressway in Metro Cebu, Philippines. It is the longest and tallest bridge in the Philippines, with its longest span being 390 m (1,280 ft).

2014
Hamad International Airport opened

Located east of Qatar capital, Doha, it is Qatar's principal and main national airport and the home of Qatar's flag carrier airline, Qatar Airways. The development of the airport was carried out by Bechtel Corporation.

1802
Puentes Dam failure

Located in Lorca, Murcia, Spain, the failure of the dam led to 608 dead. 1,800 houses and 40,000 trees were destroyed.

1777
Carl Friedrich Gauss was born

German mathematician and physicist Johann Carl Friedrich Gauss is sometimes referred to as "the greatest mathematician since antiquity". Gauss had an exceptional influence in many fields of mathematics and science, proving the fundamental theorem of algebra and inventing the fast Fourier transform algorithm and the method of least squares, among others. Furthermore, Gauss invented the heliotrope in 1821, magnetometer in 1833, and alongside Wilhelm Eduard Weber, invented the first electromagnetic telegraph in 1833.

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Soil and borehole logging: the steps are solved, the handoffs are not

Jul, 15, 2026 | News

Consider the asymmetry at the heart of ground engineering. Site investigation typically accounts for...

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India’s largest rail TBM begins tunnelling beneath Mumbai

Jul, 06, 2026 | News

India’s Mumbai-Ahmedabad high-speed rail project has reached a major underground construction milest...

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Fatal landslide exposes construction-stage risks around tunnel portals

Jul, 08, 2026 | News

A fatal landslide at the under-construction Anakkampoyil-Kalladi-Meppadi road tunnel project in Kera...

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A new sleeper shape could change how railway tracks absorb impact

Mar, 01, 2026 | News

Researchers in China have investigated how a new X-shaped railway sleeper could improve the response...

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Georgia Tech Digitizes George F. Sowers' 1940s Harvard Notes from Terzaghi and Casagrande

Jul, 09, 2026 | News

The Georgia Tech Geosystems group has released digital scans of course notes taken by Prof. George F...

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Maidstone East cutting shows importance of proactive slope management

Jan, 01, 2027 | News

Railway cuttings can be among the most sensitive geotechnical assets on transport networks. They are...