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...
Create a free account and view content that fits your specific interests in structural engineering Learn More
Latest News
Keller expands local presence with new offices in Portland and Birmingham
Keller, North America's leader in geotechnical construction, announces the opening of new offices in Portland, OR, and Birmingham, AL.The new offices will help further Keller’s growth with an expande...
Keller's cliff stabilization scheme for Scarborough Spa
Keller helped provide a solution to stabilize a cliff face and protect an iconic building in North Yorkshire, UK. The historic building is known as the Scarborough Spa. It is a Grade II listed buildi...
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...
Keller Ranks #1 on Excavation and Foundation firms for 2020 ENR
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...
Industry Section
SkyCiv Releases a new Structural Design and Analysis API
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...
SkyCiv Engineering release new Mobile App
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...
Editor's Pick
India demolishes skyscrapers that infringed environmental regulations
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...
Video Of The Day
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
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...
Average shear stress in pressure vessel
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...
Temperature Change
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...
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...