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Трещиностойкость - | ZIEGEL| ZIEGEL

Трещиностойкость

Внешние воздействия (перепады температуры и влажности) вызывают объемные деформации в материале – тепловые расширение/сужение, влажностные усадка/набухание. Это приводит к возникновению внутренних напряжений в конструкциях. Ячеистый бетон имеет довольно низкое сопротивление растягивающим напряжениям, поэтому высыхание и понижение температур могут привести к образованию трещин.

Причиной возникновения трещин может также стать недостаточная жесткость фундамента. В малоэтажном строительстве всегда, когда есть хоть малейшее сомнение в жесткости фундамента, при кладке должны быть выполнены конструктивные мероприятия, обеспечивающие целостность конструкций при возникновении растягивающих усилий.