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Chile: powerful 6.2 magnitude earthquake rocks South America nation

On Tuesday morning, September 21st 2021, at 8:14 am local time a strong earthquake shook buildings in the Chilean city of Concepcion. No immediate reports of damage were made. The earthquake hit C...

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Building collapse in Atlanta: 4 injured after explosion

On Sunday 12th of September, in suburban Atlanta, a three-storey structure partially collapsed after an explosion. Fortunately, four people who were injured are recovering and the authorities have se...

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Magnitude 6.0 earthquake struck southwest China

An earthquake of magnitude 6.0 struck southwest China’s Sichuan province on Thursday September 16th, as reported by state media. The quake killed at least three people and injured dozens while homes...

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Brisbane City Council: Design for green arch pedestrian and cycle bridge is finalized

Brisbane City Council in Australia announced that the design for an 80-metre arch Breakfast Creek pedestrian and cycle bridge is finalized. The cost of the bridge amounts to $67 million. The bridge w...

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Lower Tahquamenon Falls: A new bridge is scheduled to open in October

Tahquamenon Falls State Park conducted a survey of visitors in 2017 where 80% of respondents responded that they would likely visit the island at the Lower Falls if there was a bridge offering a conn...

Industry Section

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SkyCiv hosts Structural Engineering Hackathon!

SkyCiv to Hold a Structural Engineering Hackathon in 2021 Leading Structural Analysis and Design software SkyCiv, will be holding a Structural Engineering hackathon from October 6 - 9th 2021. The eve...

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Off to a smooth start with Moretrench Industrial

Despite some regulatory delays, a major power plant modernization project in Florida got off to a smooth start on site, thanks to Keller company, Moretrench Industrial. View Latest Keller North Ameri...

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Keller brings expertise and environmental innovation to Norway hospital project

It’s a complex project. The new buildings will be right in the heart of the campus, linked to existing buildings, while the foundations need to be constructed in soft clays and, in some areas, low-he...

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Keller acquires RECON

Acquisition of specialty contractor RECON further strengthens Keller’s product range, sector diversity, and geographic footprint in the industrial services and environmental remediation markets. Kel...

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Improving weak soils with columns of compacted crushed concrete

Keller’s committed to reducing its impact on the environment by offering clients more sustainable solutions wherever possible. Improving weak soils with columns of compacted crushed concrete, recycle...

Education

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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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Calculate the variation in length of the rod

The rod of the picture is loaded with the force 2P which is uniformly distributed on Section D where applied. If the material of the rod is homogenous with Elastic Modulus E find the variation in len...

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Allowable shear force of the girder

Calculate the maximum allowable shear force Vmax for the girder. The welded steel girder is having the cross section shown in the figure. It is fabricated of two 500 mm x 50 mm flange plates and a 50...

Books

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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...