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A 5.6-Magnitude Earthquake Struck Nepal – One Fatality, Two Injured and 40 Houses Damaged

An earthquake struck western Nepal on Tuesday, according to a local official. One person is dead and two more were injured while at least 40 houses were damaged. Cattle and farm animals were also bur...

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Drilled shafts and Micropiles Project at Logan International Airport, Massachusetts

As part of Massport’s 4-year Capital Program, a multi-billion-dollar upgrade initiative was launched at Logan, which included the construction of a new elevated roadway connecting Terminals B and C....

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The tallest building in Surrey history is getting closer to being approved

After a public hearing on Monday, Surrey city council gave the go-ahead for the 67-story tower project, which would be the highest structure in Surrey, British Columbia. The venture was approved by a...

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Building collapse in Aleppo, Syria's second-largest city: at least 13 fatalities

Authorities and the media claimed that a building collapsed on Sunday in Aleppo, the second-largest city in Syria, killing 13 people, including children. The ministry noted that the five-story struct...

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271 building collapse recorded in Nigeria the last 10 years

According to documents from the Building Collapse Prevention Guild, 271 buildings have collapsed in Nigeria over the past ten years. The highest number of fatalities due to building collapse is recor...

Industry Section

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Keller wins ABC New Orleans 2022 Excellence in Construction award

Keller was contracted to install support of excavation for launch and receiving shafts to connect a 680-ft micro-tunnel in Avondale, LA. The tunnel would allow carrier pipes to pass under a 14-track...

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Design & Construction of Tunnel and Underground Station at Krishna Park of Delhi Metro Phase IV

The Krishna Park project, located in a densely populated urban area, is part of the Delhi Metro Phase IV extension and includes structural design and construction of twin bore tunnels with cross pass...

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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...

Editor's Pick

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Researchers develop new ultra-resistant and self-repairing concrete materials

New ultra-resistant and self-repairing concrete materials have been designed by a team from the Universitat Politècnica de València (UPV) and the Politecnico di Milano. In cracking situations, the ne...

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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...