ST 342 FORCES IN TRUSS
GENERAL DESCRIPTION

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
OPTIONAL EQUIPMENT
Part No. Part Name
Additional members with strain gauge bridge and member joints for other trusses : 6
ST132A Digital Indicator.
ST342-055 Computer assist
ST 125 Vertical Force Load Cell with dial indicator instead of Load hanger with weights and ST131A Dial Indicator
Other optional equipment please contact manufacturer (essom@essom.com)

 

Net (unassembled) Shipping Dimensions WxLxH 65 x 70 x 20 cm.
Net Weight Approx. 24 kg.