2001 Volume 8 Issue 29 Pages 45-57
The new truss system is introduced that comprises pipes, joint bolts and steel nodes. The unique feature of this system is that the mechanism for tightening the joint bolts is housed inside a sleeve, Six pipe-to-node connection specimens with different pipe diameters and node materials are axially and biaxially cyclically loaded. A unit truss specimen is loaded and an elastic analysis is carried out. The test and analytical results indicate that the initial stiffness, taking into account both pipe stiffness and joint bolt stiffness, are in good accordance. Additionally, the bending rigidity of the pipe-to-node connection is clarified by a bending test.