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Design methodology of permanent linings of junctions at Crossrail project contract C121 (the Elizabeth line)
Published in Daniele Peila, Giulia Viggiani, Tarcisio Celestino, Tunnels and Underground Cities: Engineering and Innovation meet Archaeology, Architecture and Art, 2020
E.J. Sillerico, J. Suarez, R. Brierley
The outputs of the analysis in STAAD are based on the matrix displacement method which idealizes the structure into an assembly of discrete structural components (plates) as the loads are applied in as distributed loads on the element surfaces or as concentrated loads at the joints.
Design methodology of permanent linings of junctions at Crossrail project contract C121 (the Elizabeth line)
Published in Daniele Peila, Giulia Viggiani, Tarcisio Celestino, Tunnels and Underground Cities: Engineering and Innovation meet Archaeology, Architecture and Art, 2019
E.J. Sillerico, J. Suarez, R. Brierley
The outputs of the analysis in STAAD are based on the matrix displacement method which idealizes the structure into an assembly of discrete structural components (plates) as the loads are applied in as distributed loads on the element surfaces or as concentrated loads at the joints.
Load rating of bridge-size reinforced concrete arch culverts
Published in Structure and Infrastructure Engineering, 2022
Akram Jawdhari, Abheetha Peiris, Issam Harik
The soil medium was modeled using plane (quadrilateral and triangular) elements, with an average element side length of 0.3 m (1 ft.) based on guidance presented by Lawson et al. (2017). Only a single 2-D element is available in STAAD PRO software. The user can select it to be a membrane only element or a combined membrane and bending element. Due to the 2-D model geometry of the RC arch culvert, a membrane only plane stress element is selected for the soil. The selected mesh size of 0.30 m (1 ft.) is smaller than the mesh used in several other studies (Acharya, 2012; Wood et al., 2017). In STAAD PRO, the automated moving load generation capability is not available for plane elements but is available for beam elements. Consequently, and in order to overcome this limitation, 2 D beam elements are deployed to model the pavement layer. The beam elements, having rotational and translational degrees of freedom (DOF), were laid on the plane elements, having translational DOF, with coinciding node connection. This approximation did not influence the results.
Analysis of communication tower with different heights subjected to wind loads using TIA-222-G and TIA-222-H standards
Published in Journal of Asian Architecture and Building Engineering, 2023
Ali Murtaza Rasool, Yasser E. Ibrahim, Mohsin Usman Qureshi, Zafar Mahmood
3D Line models of 40, 60, and 80 m towers were prepared to perform analysis on STAAD Pro V8i structural analysis software (STAAD V8i 2014). The towers were modeled in STAAD as a space frame, which takes all joints as pin joints. The tower support was also modeled as pin support. A typical mathematical and 3D model of the tower is shown in Figure 2. A standard constant E = 200 × 106 kN/m2 is assumed. Four load combinations that have been considered for analysis are;