We saw in the previous chapter how framed structures with pinned joints contain members which are in either pure tension or pure compression, provided loads are only applied at the nodes. We also saw how such structures can be analysed to determine the magnitude of the force in each member. This chapter considers the design of members in pure tension, i.e. for a known tensile load, what are the actual required dimensions of a steel or aluminium tie to safely support the load?
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