Additional information
| Brand | Essom |
|---|
Forces in Truss
This equipment allows measurement of axial forces in pin-jointed truss members and compare them with calculated values. It is to be used with ST300 Universal Structural Frame (separately supplied).
The truss consists of 19 members for construction of different cantilevered trusses where loading can be applied at any of the bottom joints by a load hanger and weights. An indicator measures truss deflection. The joints are designed to simulate pin-joints. Each truss member has a strain gauge. Each gauge is wired to form a full bridge with temperature compensation and zero adjustment in the strain indicator. A steady bar with three adjustable forks is provided to ensure lateral stability.
Instruction manual is also included.
TYPICAL EXPERIMENTS
- Study of Bow’s Notation, strains, stresses, forces and deflections in various frameworks
- Force analysis by Method of Joints
- Force analysis by the use of the strain energy method.
TECHNICAL DATA
| Member approximate cross-section | 30 mm2 |
| Members with strain gauge bridge for 4 common trusses | 13 |
| ST341-001 Force/Strain Indicator | 1 |
| Load hanger | 1 |
| Weights | 1 lot. |
| ST131A Dial Indicator | 1 |
| Software for data display and analysis by computer (separately supplied). | |
| Power supply | 220 V, 1 Ph, 50Hz. or as required |
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This equipment is used for studying the ground and wall reactions as a weight is moved up a rigid ladder. It is to be used with ST300 Universal Structural Frame (separately supplied).
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Instruction manual is also included.
TYPICAL EXPERIMENTS- Determine ground and wall reactions as a body moves up a ladder.
- Experimental verification of calculations using the three conditions of equilibrium
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