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A 3D-Printed house to be made entirely from bio-based materials

Maine doesn’t have enough affordable housing or enough workers to build more, but it does have quite a bit of excess wood fiber from its substantial forestry industry. Seeking a solution to those pro...

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Africa’s longest bridge in Lagos: three teams in running to build it

The government of Lagos State has shortlisted three bids to build the Fourth Mainland Bridge, a 38km link between Lagos city and Lagos island that presently has a budget of $2.5bn. It is intended to...

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The world's longest suspended bridge may soon link the island of Sicily in Italy with the mainland

The idea of building a bridge between the island of Sicily with the mainland is not new for the Italian planners. However, the decades-long planning process for the massive engineering project was ab...

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Washington, D.C.: First mass timber commercial office building opens

The office building at 80 M Street SE in Washington, D.C., might not stand out if you walked past it. It sits comfortably between several other office buildings, all sporting the same modern exterior...

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The future of steel production and steel structure construction

This article will explore four technologies that are helping shape the future of steel construction. It is no overstatement to say that steel production and construction are primary shapers of our re...

Industry Section

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EC3 Integration with Bentley's iTwin Platform for Infrastructure Carbon Calculation

Bentley Systems announced at COP27 expanded integrated workflows for embodied carbon calculation in the Bentley iTwin platform. The new integration enables carbon assessment in infrastructure digital...

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Keller ranks #1 on on Excavation and Foundation firms for 2022 ENR

Engineering News Record (ENR) ranks Keller #1 Excavation and Foundation firm for 2022. This is Keller’s fourth year holding this top position. Before 2019, this position was held by Keller company Ha...

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Unity Place Project: Winner of Bentley Systems Going Digital Awards on Structural Engineering

Although the Unity Place project was designed in 2018 and structured in 2020, joint efforts from everyone in the design and construction along with the aid of Bentley Systems technology allowed WSP t...

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STAAD.Pro CONNECT Edition V22 Update 12

Bentley Systems just released STAAD.Pro CONNECT Edition V22 which ads great new functionality to improve efficiency for engineers around the world and has resolved numerous issues that have been repo...

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Bentley Systems Announces Bentley Infrastructure Cloud, Powered by iTwin

ProjectWise Leads Advancement to Data-centric Digital Delivery and Digital Twin Opportunities At the 2022 Year in Infrastructure Conference, Bentley Systems, Incorporated, the infrastructure engin...

Education

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Diaphragms

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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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,...

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...