This study mainly presented a pseudo-static experiment on two full-scale square CFST short columns with the cross-sectional width of 600 mm under combined constant axial load and cyclic lateral load. The seismic performance were investigated. Meanwhile, plastic hinge length specimens was discussed. test results that suffered bend-shear failure. local buckling steel tube occurred at end core con...

This paper presents a detailed study of the folding and deployment of a slotted tube hinge made from a two-ply laminate of carbon-fibre reinforced plastic. A physical model of a particular version of this hinge has been used to carry out quasi-static deployment tests and this process has been fully captured through a finite element simulation. The first stage in this simulation was to generate ...

This paper presents an optimization study of a lightweight hinge consisting of a thin walled tube made of carbon fiber reinforced plastic with two longitudinal slots. The slot geometry is parameterized in terms of slot length, width and end circle diameter. Previously developed numerical simulation techniques to analyze the folding and deployment of this kind of hinges are used to carry out a s...

Plastic hinge models are widely used in earthquake engineering to predict the load-deformation relationships of reinforced concrete members. For the seismic assessment of bridges, it is appealing to use those relatively simple models if the response is predicted with sufficient accuracy. The applicability of these models to wall-type bridge piers with weak seismic detailing is examined. Flexura...

This report presents a study of a recently proposed low-cost hinge for deployable spacecraft appendages. The hinge consists of one or more pairs of steel carpenter tapes (tape springs) connected to a rolling hinge made from plastic " wheels " connected by steel cables (Rolamite). This hinge is known as Tape-Spring Rolamite (TSR) hinge. The report includes: a brief review of the relevant backgro...

One of the important issues in the study of steel frames is to find a suitable formulation for semi-rigid connections. In this paper, the explicit stiffness matrix for a two-dimensional beam-column element having end-flexibilities is derived. The effects of the lateral uniformly distributed load on the deflection are considered. Both tensile and compressive axial loads are also taken into accou...

Current formulations proposed by Eurocode 8 part 3 for the inelastic deformations of existing reinforced concrete members are assessed separately wide beams (WB) and conventional deep (DB). The current approach, based on a large experimental database members, predicts larger ultimate chord rotation but lower ductility WB rather than DB despite similar curvature ductility, due to plastic hinge l...