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...
This is Keller’s second year holding #1 position, while prior to 2019, this position was held by Keller company Hayward Baker for years. Keller’s geotechnical and foundation companies combined into a...
Keller team is working on the iconic Brooklyn Bridge in New York City, using jet grouting to rehabilitate the Manhattan approach arches. Mobilization began in May 2020 and production is expected to f...
SkyCiv is excited to announce the official launch of their Structural Design and Analysis API. The API gives SkyCiv users a new way to access analysis, modelling and design calculations, making it po...
Keller has delivered one of its largest projects, constructing 13,500 bored piles for the development of a groundbreaking oil refinery in Rajasthan. The project that Keller is involved in will be one...
Keller applied ground freezing in the largest infrastructure project ever conducted in Suffolk County, New York. Keller is one of the few companies in North America to offer ground freezing technique...
SkyCiv is excited to announce the new release of its new Structural Engineering Mobile App, featuring a number of helpful tools and access to a model viewer to review and share models. SkyCiv is rela...
Keller will participate in a Miami project in which, for the first time in 50 years, auger cast piles will be utilized. The $800 million Signature Bridge is part of a major regeneration plan in Miam...
Keller has completed its first-ever vibro concrete column (VCC) project in Singapore, opening a new market in the country. Vibro concrete columns can be used in a variety of soils to reduce settlemen...
Keller teams across the world are doing everything they can to mitigate the impact of the coronavirus outbreak and keep projects running safely wherever possible. In certain cases, Keller Colleagues...
Officials decided to demolish 2 skyscrapers in India as they did not comply with the existing environmental codes. The skyscrapers were located in the municipality of Maradu, in the Kerala state of...
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 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,...
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...
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...
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...
A pressure-vessel head is fabricated by gluing the circular plate to the end of the vessel. If the vessel sustains an internal pressure of 500 kPa, determine the average shear stress in the glue. S...
The beam is fixed at end B and free at end A. It is loaded at end A with the concentrated force 4F. At the same time there is a temperature change ΔT. Calculate the length change Δx. (Modulus of elast...
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...
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 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...
