TRIHEDRAL TRUSS MODULE Russian patent published in 1999 - IPC

FIELD: construction engineering. SUBSTANCE: trihedral truss module is intended for use in coverings and can be applied for connection of bars in three-dimensional components of buildings and structures. Truss module takes the form of double-slope four-panel three-dimensional truss with its lower girth made of similar-type glued plywood plates. Three-dimensional grate of regular type is made of wooden interchangeable struts installed in V-pattern. Upper girth is connected by ends with lower girth by struts through supporting units. Lower units of extreme and middle struts are interconnected by wooden members of lower girth. Middle member of lower girth is made of round steel bar stock. Introduced into truss are extreme steel rods of lower girth having V-shape branches in ends. Extreme steel rods directly connect supporting units with middle steel member of lower girth. Aforesaid embodiment of truss module ensures most effective operation of upper girth with lower girth, also materials are saved. EFFECT: higher efficiency. 3 dwg