Keller launches new global wellbeing framework
In an ever-changing world, it has never been more important to support employee mental health and wellbeing. Prioritizing wellbeing not only enhances our employees’ health and happiness, it makes goo...
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Latest News
How long can fiber reinforced polymer sustain concrete structures? A question that is answered by scientists
It is a fact that, in modern society, the majority of our infrastructure (buildings, bridges, tunnels, etc.) is made of ageing concrete. A cost-effective method of sustaining this infrastructure was...
Strong earthquake hits Eastern Mediterranean: No casualties reported
A strong earthquake has struck several islands in Greece and other regions in the Eastern Mediterranean, including the southern Antalya region in Turkey as well as cities in Egypt. The temblor was...
Bridge in Ravenna Township, Ohio closed due to foundation erosion
A bridge of Newton Falls Road in Ravenna Township, Ohio (USA) has been closed for more than a month and it is not considered to be reopened in the next year due to issues with the bridge's foundation...
Rocheport Bridge replacement project
In late September, Missouri Department of Transportation announced that the first phase of the I-70 Rocheport bridge replacement is set to begin. A set of bridges, one westbound and one eastbound...
Industry Section
Keller acquires Subterranean
Keller North America (Keller) announces the acquisition of Subterranean (Manitoba) Ltd., a highly respected geotechnical contractor based in Winnipeg, Manitoba and the region’s leading caisson servic...
Keller celebrates Global Diversity Awareness Month
October is Global Diversity Awareness Month and an opportunity to celebrate and increase awareness about diversity, and the positive impact it has in the workplace and wider society. Read more on Kel...
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...
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...
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...
Editor's Pick
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...
Upcoming Events
6th Australasia and South-East Asia Structural Engineering and Construction Conference (ASEA SEC 5) 8th International conference on Structural Engineering and Concrete Technology (ICSECT 2022) Structures Congress 2022 7th International Conference on Civil, Structural and Transportation Engineering (ICCSTE’22)
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Publications
An innovative low damage seismic solution for unreinforced clay brick infill walls Pounding effects during an earthquake, with and without consideration of soil-structure interaction A reconnaissance report on two Iran, Makran Earthquakes Seismic retrofitting solution of an adobe masonry wall Cyclic testing and comparison of locally CFRP confined HSS braces and buckling-restrained braces A multimode pushover procedure for asymmetric buildings under bidirectional ground motion Mechanical properties of brick masonry with different types of bonds Framework for developing fragility relations of high-rise RC wall buildings based on verified modelling approach Relative safety margins of code-conforming vertically irregular high-rise buildings Performance based evaluation and design of reinforced concrete frames with strong masonry infill
Education
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...
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...
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...
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,...
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...
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...
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
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...
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...
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...