Bentley's Bentley Coffee Corner: Structural SEAPAC - Integrated Connection Design using STAAD.Pro and RAM Connection begins at 18 Aug 2022
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7.0-magnitude earthquake hit northern Philippines: at least four fatalities, 60 injuries

A 7.0-magnitude earthquake struck the Philippines on Wednesday, according to the US Geological Survey (USGS). At least four people have died and 60 others were injured in the powerful earthquake that...

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Dasmariñas bridge collapse: eight fatalities - the body of last missing victim found

Authorities found Thursday, July 28, the last missing victim in the collapse of a suspended steel bridge in Sitio Talisayan, Barangay Sampaloc IV on Tuesday evening, July 26. On July 27, authorities...

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Foundations challenges and solution for the Boston University Center for Computer & Data Sciences project

With its unique, award-winning, design resembling a cantilevered stack of books, the Center for Computing & Data Sciences is a striking addition to Boston University’s Central Campus which is loc...

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Longest bridge in the Baltics: the estimated duration of the Neris bridge works is 2.5 years

The bridge impinges on a site protected by the EU’s Natura 2000 ecological network, so work will not be carried out during fish migration and spawning. To avoid damage to the ecosystem, the bridge’s...

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Afghanistan earthquake: dozens injuries, hundreds of homes destroyed

An overnight 5.1-magnitide earthquake in a remote southeastern region injured at least 44 people and destroyed 600 homes on Tuesday, Taliban authorities in Afghanistan said. The temblor jolted seve...

Industry Section

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Hydrogen Projects: How to design safer pipe stress models and support systems

In order the hydrogen to be distributed, appropriate systems are used. These systems usually comprise a set of hydrogen main headers (pipelines) working at different pressures and hydrogen purities....

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The Transformation of New England's Maine Medical Center

As a highly complex project located at a sensitive site draws to a close, Business Development Executive David Finocchio tells us how Keller’s varied expertise supports the transformation of one of N...

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Design Challenges and Structural Analysis Optimization of Solar Panels

The use of non-renewable source of energy in generation of electricity has led to emission of pollutants which is one of the main sources of global warming. The increase of the pollution has created...

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Shoring project at Base Mine Lake

As a previous mine pit and tailings pond, the Base Mine Lake has residual bitumen forming two mats on the lake floor. Keller designed and installed a shoring solution to create a new dock area for dr...

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Keller North America announces new branch and area managers

Ray Franz was promoted to Area Manager of Northern California. With over 30 years of experience in geotechnical consulting and specialty construction, Ray has worked with micropiles, auger cast piles,...

Editor's Pick

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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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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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Truss vs Cable

Truss and cable elements are defined by their ability to carry solely axial loads. Nonetheless, since cables have no stiffness when loaded in compression, they function only in tension. Moreover,...

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Spring Assemblies in Series/Parallel: Two Springs in Series

Based on Figure 1, we get: where: In matrix form, the above can be re-written as: Example Figure 2: Two Springs in Series - Example  Calculate k1, δ2, and f3. Solution Ba...


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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...