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Buckling Matters II plane frame buckling analysis

Buckling Matters II plane frame buckling analysis
Free

This paper extends an earlier paper on buckling to the analysis of plane frames to find the critical buckling of individual members within a 2-dimensional frame. This includes the stiffness matrix analysis of a double portal frame typical of station pedestrian overbridges. Comparison of results is provided with commercially available software. The ...

Retrofitting Eagles Meadow Bridge with a Tuned Mass Damper

Retrofitting Eagles Meadow Bridge with a Tuned Mass Damper
Free

This paper presents a solution to undesirable acceleration effects experienced by pedestrians on the Eagles Meadow Footbridge in Wrexham. The installation of a tuned mass damper reduced the vertical movement of the bridge to near imperceptible levels. An analysis by hand calculation of the bridge dynamics and tuned mass damper characteristics is pr...

Simplified Dynamic Analysis of Beams and Slabs with Tuned Mass Dampers

Simplified Dynamic Analysis of Beams and Slabs with Tuned Mass Dampers
Free

This paper simplifies the analysis of the dynamic response of structures to a sinusoidal loading to provide arithmetic solutions and a means of understanding the dynamic response of a structure. It also provides a means to estimate the characteristics (mass, stiffness and damping) of a TMD to address any residual problematic dynamic response. This ...

Buckling Matters Rotational Spring Supports

Buckling Matters Rotational Spring Supports
Free

Exceptionally tall or slender columns may necessitate finite element modelling to determine the effects of buckling. However, in many cases an accurate assessment of the critical buckling load can be made by hand calculations incorporating spring supports or tapered/stepped stiffness columns. This paper discusses the calculation of the buckling loa...

Structural Analysis Using Only Excel Spreadsheets

Structural Analysis Using Only Excel Spreadsheets
Free

This paper outlines the methodology used to construct, first, the stiffness matrix needed for a static distribution analysis of a road over rail bridge and second, the dynamic stiffness matrix and procedure required for the calculation of the lowest natural frequency for a single span footbridge using only a Microsoft Excel spreadsheet.

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