Structural Analyses and Tests of Portable Mast

by Bharat B. Joshi, R & D Mgr.; Fouress Engrg. (India) Pvt. Ltd., Bombay, India,
Chandrahas S. Gurujee, Asst. Prof. of Civ. Engrg.; Indian Inst. of Tech., Powai, Bombay, India,

Serial Information: Journal of the Structural Division, 1979, Vol. 105, Issue 2, Pg. 437-444

Document Type: Journal Paper


The derrick of portable drilling equipment is analyzed both as space truss and as space frame. The stiffness-matrix procedure is used for theoretical analysis. Tests were carried out on an actual derrick. The theoretical and experimental results are compared and the behavior of the derrick under load is considered. Suggestions have been made for the design of such structures.

Subject Headings: Space frames | Structural analysis | Space truss | Drilling | Equipment and machinery | Stiffening | Load factors | Space structures

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