Structures from first principles!
The assessment of floor vibration concerns how the mass of its supporting structure moves when subjected to an imposed load. This is determined by ascertaining the natural frequency of the supporting structure to the floor, which is stated in Hz (cycles per second).
Structural steel elements are amenable to failure due to lateral torsional buckling, when measures that recognizes this risk have not been considered in design. This article briefly, explains how the structural engineer can deal with lateral torsional buckling when analyzing steel structures.
This article provides guidance on how to design steel columns subjected to combined axial compression and bending to EC3, using the simplified expressions in the IStructE manual for the design of steelwork buildings.
Despite timber being one of the earliest structural materials around and its globally recognized status for sustainability, the tallest Timber building is still the 18-Storey building at the University of British Columbia, why?
This article discusses the types of steel bracings required for ensuring lateral stability in braced multi-storey steel frames, the design considerations and the procedures required when providing them within a steel frame.
column splices are essentially steel-plated bolted connection provided in multi-storey steel construction to serve as a connection between two columns of different sections
In 1879, inadequate design, ineffective supervision, poor workmanship, tight budget restrictions, time constraints and a general lack of understanding of the response of structures to dynamic forces from wind culminated into one of the deadliest structural failures of all time; the Tay Bridge collapse.
For every structure, frame stability is an important area of consideration. Designers of structural steel-work were the first to recognize the importance of considering the stability of steel frames in BS-5950.
This twisting/rotation is known as torsion. Torsion generates forces within structural elements that they are rarely efficient at resisting. It would normally result in significant increase in element size or ultimately lead to change in structural form where they are found to be acting. Torsion in structures is best avoided as far as possible.
This article is concerned with the derivation and application of these notional loading, which is classified as Equivalent Horizontal Forces within the Eurocodes. The article also illustrates how the notional horizontal loads are incorporated into the design process.