Sustainable Bamboo Rooftop Tower for Communication

In this paper, the feasibility of bamboo for a roof top telecommunication tower is analysed. For this, the bamboo of even shape, color and thickness is selected and tested for the physical and mechanical properties in the laboratory. The roof top towers of heights 6m, 9m and 12m erected on existing building (height 15m) are considered in the present study. The other parameter considered for the study are base widths and bracing patterns. The main loads acting on the tower self-weight, wind loads and antennae loads. The wind load values are calculated as per IS:875 (Part 3)-2015 The tower is modelled as truss elements in STAAD Pro software and analysed for different loads and load combinations. The governing tensile and compressive stresses are checked with the allowable stresses. The allowable stress in compression members depends on slenderness ratio. The allowable stress formulae are derived in line with IS:802(Part 1/Sec 2)-2016 and checked with actual stresses for the suitability of the tower members. The deflection is calculated for service load and checked with the allowable value as per TIA-222-G-2005 code. The strength and deflection of narrow 12 high towers are not within the permissible range hence they are not suitable.

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