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Bridge bearings

A bridge bearing is a structural device that helps transmit the load from the superstructure, e.g. the bridge deck, to the substructure, e.g. the piers or abutments. Bearings in bridges are designe...

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Messina earthquake (1908): a civil engineering landmark


The 1908 Messina earthquake, also known as the Great Reggio earthquake, is considered as one of the deadliest natural disasters in Europe and also a landmark for civil engineers. This powerful sei...

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Greece: The oldest bridge in Europe still in use

The Arkadiko Bridge, also known as the Kazarma Bridge, is considered one of the oldest bridges in Europe that is still in use. It is located in the southern region of mainland Greece, on the Peloponn...

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Dam safety under seismic forces

Ensuring the safety of dams during earthquakes is crucial since seismic forces can lead to various damages, e.g. cracking, displacement, or detachment of dam components. These damages can result in u...

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A strong earthquake of 7.7-magnitude struck the South Pacific

The south Pacific experienced a 7.7 magnitude earthquake on Friday, according to the U.S. Geological Survey (USGS). This seismic activity took place in a region southwest of Fiji, north of New Zealan...

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Domed roof analysis of a railway station

Southwest Jiaotong University studied the structural integrity of the roof of a huge railway station in Hohhot, Inner Mongolia, China. For this purpose, the software ADINA, which is a widely used too...

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Secondary Moments in Post-Tensioned Concrete Design Technical Article

For further knowledge on utilizing secondary moments in the design of post-tensioned concrete one can read a recent technical article in the PTI Journal by Jonathan Hirsch, Software Development Manag...

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Using OpenSTAAD for Moving Loads

Since STAAD.Pro is a general-purpose analytical tool, there are many instances in which ideas that are posted may not be given the highest priority. STAAD.Pro's powerful accomplice can step in to the...

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Keller North America launches The Site Report podcast

Have you ever wondered what goes on behind the scenes on a construction site? What about community engagement and how employees grow in their careers? And who can forget about those funny stories tha...

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Bentley Systems Issues Call for Nominations for the 2023 Going Digital Awards in Infrastructure

Bentley Systems, Incorporated (Nasdaq: BSY), the infrastructure engineering software company, today announced its call for nominations for the 2023 Going Digital Awards in Infrastructure. The awards,...

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Concrete Buildings as Rechargeable Batteries

The energy that comes from the wind and the sun as a renewable source has become a growing necessity. As a result, new ideas about rechargeable batteries have gained ground to capture these intermitt...

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An engineering point of view for the Tacoma Narrows Bridge collapse

Introduction An iconic civil structure is a bridge. The desire for humans to go from place to place without becoming wet goes back as far as recorded history. Yet for so long, there was just o...

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Introduction to Diaphragms As diaphragm is considered a structural element that can transmit lateral loads to the vertical resisting elements of a structure, i.e. columns and shear walls. The term...

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Beams: maximum moment

Find the maximum moment of the above beam which is subjected to triangular vertical load. SOLUTION: ΣΜΒ = 0 → ΑΥ –(1/2)ql(l/3)=0 → ΑΥ = (1/6)ql ΣFY = 0 → ql/6 + BΥ –(1/2)ql=0 → BΥ = (1/3)ql Assum...

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Column in buckling

Consider a universal column 200mm x 200mm with a flange thickness of 10mm and web thickness of 7mm. The height of the column, which is fixed in concrete at its base, is 10m and the load is applied...

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Maximum Factored Vertical Shear

A simply supported beam (Figure) with a span of L=20ft is subjected to a uniform service load of 1200 lb/ft, including self weight, and a live load of 900 lb/ft. Determine the maximum factored...

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Flexular Crack in Concrete Beam

For the simply supported beam of Figure 1, determine the uniformly distributed load, q, at which the flexural crack forms. The beam has a length L=7m, and f’c=25Mpa. Figure 1: Cross-section of Con...

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Calculate the vertical deflection of a beam

Calculate the vertical deflection of the beam (magnitude and direction) at the midpoint of the central span (point A) Solution Use virtual work method: Virtual Structure From Equilibrium: Shea...


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Structural Engineering Solved Problems

Structural Engineering Solved Problems contains 100 practice problems representing a broad range of topics on the Structural Engineering (SE) and Civil PE exams. Each problem provides an opportunity t...

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Structural Depth Reference Manual for the Civil PE Exam, Fourth Edition

The Structural Depth Reference Manual prepares you for the structural depth section of the Civil PE exam. It provides a concise, yet comprehensive review of the structural depth section exam topics an...

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Structural Depth Practice Exams for the Civil PE Exam

Structural Depth Practice Exams contains two 40-problem, multiple-choice exams consistent with the NCEES Civil PE structural depth exam's format and specifications. Like the actual exam, the problems...