Euler Buckling of Struts (Next Generation Structures)
Experiment for the study of buckling of struts and the relationships between length, end fixing conditions and buckling load. Mounts on the Structures
platform and connects to the Structures automatic data acquisition unit
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One of a range of experiment modules that fit to the Structures platform (STS1, available separately), this product helps students to understand how loads affect the horizontal reaction forces in a fixed arch.
Students apply loads to hangers suspended from the arch, held between two ‘fi xed’ supports. A load cell on one support works with a special mechanism to measure the horizontal reaction due to the load. A second load cell on the other support works with a moment arm to measure the fixing moment. Both load cells measure the forces and moments with minimal movement, approximating to fixed (Encastre) supports.
Each support includes pointers that work with the scale on the platform for accurate positioning. Students use textbook equations to predict the reaction forces and fi xing moments due to the load, comparing them with measured results. They also learn how to create the influence line and bending moment diagrams. This helps confirm the reliability of the textbook equations and the accuracy of the experiment results.
This product includes additional masses so students may apply a uniformly distributed load (UDL) across the span of the arch for comparison of results with a single point load.
The load cell connects to the USB interface hub of the Structures platform for computer display and data acquisition.
• Horizontal reaction and fixing moment due to a varying single point load on a statically indeterminate structure
• Horizontal reaction and fixing moment due to a moving single point load on a statically indeterminate structure
• Horizontal reactions and fi xing moment due to a uniformly distributed load on a statically indeterminate structure
• Influence lines and superposition
• Lines of thrust in an arch
• The Secant assumption
• Graphical construction of a bending moment diagram for point loads
• Maximum bending moments due to a load on an arch
Experiment for the study of torque and defl ection in diff erent materials with circular section. Mounts on the Structures platform and connects to the Structures automatic data acquisition unit and software.