Experimental research of combined joints of wallboards from natural hardening foam concrete

Abstract

The article is dedicated to investigation of fracture behavior of combined horizontal joints of wallboards from natural hardening foam concrete and influence of some factors on ultimate loads for joints. Two the most valuable factors that influences on ultimate loads for wallboard joints was allocated while planning experiment: load eccentricity and indirect reinforcement. The samples consisting of three elements (top wallboard, bottom wallboard and floor slab) was made for experiment. The typical scheme of destruction for combined joints of wallboards with and without indirect reinforcement was identified in result of testing. The table of comparison of analysis values of ultimate loads for combined joints by existing methods and obtained in result of analysis by SP “LIRA” with received experimental data is shown in the article. Also in paper are shown the diagrams of ultimate load relation with load eccentricity and indirect reinforcement.

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