Short Span Modular Bridges of Guadua Angustifolia by Self-Construction, a Sustainable Alternative

This paper presents the evaluation of an alternative for the construction of short bridges with Guadua angustifolia Kunth as structural material. In the proposed model, the construction of bridges must be as easy as possible, in order to be developed by the community in a short time, taking advantage of existing guadua in the area. The bridges are composed by structural modules with a length of 5m, which can be precast composed of two planar trusses which are connected using horizontal members that support the board and give stability to the structure. The design was made considering that live loads will be applied inside the structure, on the bottom chord of the trusses. Load values specified by the Colombian Bridges Code have been used for the footbridge design.

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