Prospects for Precast Concrete for Residential Construction: Design Solutions with Wide Spacing of Load-Bearing Transverse Walls

The possibilities of modern industrial housing construction, which completely remove restrictions on the use of precast reinforced concrete, and space-planning and facade solutions used in monolithic housing construction are effectively implemented in industrial universal housing construction, while maintaining undeniable advantages in speed, quality, and low cost, are considered. It is shown that when using the proposed design solution, the construction of a warm contour (frame + external walls) is 3 times faster than a monolithic version and 2 times faster than a conventional large-panel version due to the exclusion of part of the bearing walls, partitions, and the use of large-format floor slabs. It is possible to implement a free layout of apartments (cell 7.2х7.2 m) due to the wide spacing of load-bearing transverse walls and the use of slabs with pre-stressed reinforcement. Elimination of welded joints, use of stainless steel embedded parts, and sealing of joints with non-shrink mortar will ensure a 25% reduction in reinforced concrete consumption per 1 m² of housing and a 25% reduction in the number of installation elements. The cost of constructing a warm circuit is lower by at least 20% compared to the monolithic option due to the above factors, without loss of architectural attractiveness. Due to the system of horizontal and vertical inter-floor connections of load-bearing elements in the form of bolted connections, it is possible to increase the reliability and safety of such buildings in accident (including emergency) incidents.

D.V. KURNIKOV, Engineer, Managing Partner

LLC «Inarbi» (57, str. 1, Gilyarovskogo Street, Moscow, 129110, Russian Federation)

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