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Do we still need structural engineers?
Published in Alphose Zingoni, Current Perspectives and New Directions in Mechanics, Modelling and Design of Structural Systems, 2022
The definition “Structural engineers are highly skilled, creative professionals who design the strength and stability of our buildings and bridges”. is still true, but the way that engineers work is changing. This means that both the industry and education need to adjust to address the advantages, requirements, and risks of these new working practices.
Construction industry development in Tanzania
Published in Pantaleo D. Rwelamila, Abdul-Rashid Abdul-Aziz, Improving the Performance of Construction Industries for Developing Countries, 2020
N. G. Sospeter, Pantaleo D. Rwelamila
Engineers arguably are some of the designers. Engineers have the responsibility of designing the structure of the building, including drainage installation, electrical and plumbing systems. The engineers include structural, civil and services. Structural engineers are responsible for designing structures which can withstand pressures. During the lifetime of a typical building, various stresses and strains will test its physical composition, and structural engineers will ensure that the structure is strong and flexible enough to remain safe and sturdy. Without the input of a structural engineer, buildings may twist, bend or vibrate in ways that both cause structural damage and put human lives at risk.
Pre-construction / RIBA Plan of Work Stages 0–4 / OGC Gateway Stages 1–3C
Published in Duncan Cartlidge, Construction Project Manager’s Pocket Book, 2020
A structural engineer is involved in the design and supervision of the construction of all kinds of structures such as houses, theatres, sports stadia, hospitals, bridges, oil rigs, space satellites and office blocks. The specialist skills of a structural engineer will include calculating loads and stresses, investigating the strength of foundations and analysing the behaviour of beams and columns in steel, concrete or other materials to ensure the structure has the strength required to perform its function safely, economically and with a shape and appearance that is visually satisfying.
Design and construction of long-span single-layer dome structures by direct analysis
Published in HKIE Transactions, 2018
Y P Liu, S J Pan, Simon W K Leung, S L Chan
In this paper, the SODA considering P-Δ and P-δ effects as well as initial imperfections is proposed for the design of long-span roofs not only in the final completed stage, but also in the construction stage. The professional structural engineers are required to be more involved during the construction process for stability and safety checks. This paper first presents the key considerations for construction of long-span structures by SODA which has not been reported for applications in the construction stage before. The planning of sub-division roof panels, the lifting procedure, the TSS and off-loading sequences for load transfer from a temporary support system to permanent structure and so on can be effectively modelled and analysed by SODA so that an economical and safe design for the structures in construction and completed stages can be developed and achieved.
Exploring buckling and post-buckling behavior of incompressible hyperelastic beams through innovative experimental and computational approaches
Published in Mechanics Based Design of Structures and Machines, 2023
O. Azarniya, A. Forooghi, M. V. Bidhendi, A. Zangoei, S. Naskar
The stability of a structure under external and irregular loads is one of the most significant parameters in design. Structural engineers analyze the structure’s strength, stiffness, and durability, and determine appropriate materials and elements to use. To ensure stability, they use computer simulations, physical testing, and mathematical modeling to predict how the structure will behave under different conditions. Stability is crucial for providing safety and security to occupants (Chai and Yap 2008; Ebrahimi-Mamaghani et al. 2021; Vahidi Bidhendi et al. 2022; Zangoei et al. 2023; Zolfagharian et al. 2022). To estimate a structure’s critical buckling load (bifurcation), an Eigenvalue Buckling Analysis is generally used. This analysis can be performed as the initial step in a global analysis of an unloaded structure or after preloading the structure. By accurately predicting the critical buckling load, engineers can ensure that the structure is designed to withstand expected loads and avoid failure. (Akgöz and Civalek 2022; Cai, Gao, and Qin 2014; Civalek, Dastjerdi, and Akgöz 2022a; Forooghi and Alibeigloo 2022; Forooghi et al. 2022b). Novoselac, Ergić, and Baličević (2012) perused numerical analysis of buckling and post-buckling behaviors of a bar considering the effects of the imperfections. They performed nonlinear buckling analysis with the Riks method. (Li et al. 2016) modeled the buckling and vibrational frequency of sandwich conical shells which have reinforced cores. Their experimental outcomes demonstrated that the semi-vertex angle of the cone has a significant impact on the vibrational frequency. (Huang et al. 2022) perused a geometric mesh free collocation (IMC) for the static, vibration, and buckling behaviors of composite plates. Based on Euler-Bernoulli beam theory, (Hosseini, Arvin, and Kiani 2022) modeled the buckling and post-buckling behavior of a rotating fully clamped functionally graded beam. They investigated the effect of different parameters such as rotor radius, the beam length to the thickness ratio, and the rotation speed on the critical buckling load. (Civalek, Uzun, and Yaylı 2022b) studied the buckling of a nanoscale restrained beam based on nonlocal Euler–Bernoulli beam theory by considering functionally graded materials.