Line AB was measured to be 2465.75 m when using a 100 m steel tape supported only at the ends under a pull of 9 kg and a mean temperature of 40°C. The tape is of standard length at 35 °C at a pull of 10 kg. The cross-sectional area of the tape is 0.035 cm.2. Determine the correct length AB.

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A: σ=MyII=BH312-bh312=100×150312-80×130312=13478333.33mm4M=1.4k-m

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Frames

The trusses and frames are the two most important structural members of civil engineering. Trusses are the interconnection of links and other structural members. The interconnection with other members makes the system behave as a single member that supports and transfers loads. Trusses are generally two types, plane truss, and space truss. Frames on the other hand form the skeleton of any building construction. Frames are structures formed by the connection of beams, columns, slabs, and joists. These members provide the building with the required structural support.