Abstract
Lenticular trusses are effective and promising structures that have a number of advantages over trusses of a different shape covering large spans. The main nodes of the trusses are the support ones. At these nodes large shear forces occur. Traditional types of connections did not provide the required reliability of the support nodes. Four variants of support nodes and rigid joints of trusses are proposed. The basis is the connections with glued rods. The test results of the support node fragment of the truss with a span of 30 m in full size are presented. The stress-strain state of the truss support node is analyzed. The strength and effectiveness of the proposed design is proved. For the first time trusses with a span of 24 m were used in 1983 for an industrial building in Volokolamsk. Prefabricated trusses with a span of 48 m are used in the Yantar sports complex in Moscow. During tests, two of them were loaded until complete destruction. The main results are presented. The high rigidity of the trusses and the design assumptions are experimentally confirmed. The algorithm of analysis of rigid joints of the upper and lower belts in the supporting zone of lenticular trusses made of glued wood, designed according to the “TSNIISK” system with glued rods, in accordance with the provisions of SP 64.13330.2011 “Wooden structures”. Two types of nodes are considered. Named objects in Russia, covered with lenticular trusses spans up to 56 m.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: STRUCTURAL MECHANICS AND ANALYSIS OF CONSTRUCTIONS
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
