Evstafjev V. Light-weight multilayered floors for architectural and building systems with the wide span of load-bearing constructions

The work is devoted to the elaboration of the light-weight construction of the floor for reinforced con-crete building frame with regular and arbitrary arrangement of columns and membranes, as well as for the frameless building with the reinforced concrete and brick load-bearing walls. Construction solution of the floor and engineering methods of the calculation according to the limiting states of the 1st and 2nd groups are elaborated. There were received the experimental data about the strength and strain ability of the floors in producing construction. The elaboration of the accuracy and correctness was done as for elaborated methods of the calculation. The initial design valuables were calculated for the floor design, according to the limiting states of the 1st and 2nd groups. These valuables suitable for the direct implementation into the engineering practice. Technical-and-economic characteristics of floors for the proposing construction were defined. There was conducted the comparison of thetechnical-and-economic characteristics of the existing floors with those of the proposing construction. By the results of the comparison, the zone of effective usage floors for the proposing construction was determined. The elaborated construction of the floor and methods of the calculation were implemented into experimental construction.