Conference Proceedings
Hoist and Haul 2005
Conference Proceedings
Hoist and Haul 2005
Testing of Bunton Wall Connection Characteristics
A series of physical tests have been conducted to determine the actual performance of bunton to shaft side wall connections typically used in new shaft construction in South Africa. The test set-up is described, together with the applied loading, which incorporates a cyclical load component and a quasi-static load component, in an attempt to simulate actual conditions in the shaft. The test results are given and it is shown that generally the performance is adequate, provided double-slotted holes are not used. Generally the fatigue performance is found to be good, with the only exception being cases where the bottom of the bunton is lower than the seating level for the bunton to side wall connection. Arising from the tests, typical design values of connection stiffness, strength and fatigue life are proposed and a design procedure including these three key aspects of connections is described.
Contributor(s):
G J Krige
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- Published: 2005
- PDF Size: 0.203 Mb.
- Unique ID: P200507047