CALCULATION CONCRETE BASES OF THERMAL UNITS IN ACCORDANCE WITH APPLICABLE REGULATIONS
Abstract
Foundations of thermal units furnaces, flues, chimneys during the operation to be affected by technological temperatures.Warm, foundations and transfer heat to the surrounding soils. Under the influence of elevated temperatures in the ground there is a change of physico-mechanical properties, shrinkage and creep. This leads to a change in hardness of a base contact failure foundation system - primer. Are curved foundation flexure and its buckling, which may cause disturbance of the technological process, require separate amplification elements, materials costs and time.
Conducted field studies show that the concrete foundation has sufficient strength and uniformity. The destruction of the foundation is not due to the weakening of local cross sections due to the low concrete strength, and significant deformation of subgrade.
In this case the interaction of "base-building" significantly affects the nature of the distribution of effort in the construction, so in accordance with DBN V.2.6-98: 2009, it is necessary to perform the calculation as a single geometrically and physically nonlinear system - "base-foundation-structure ".
At statement of the problem studied the work of foundations coke batteries.
Numerical simulation of stress-strain state of the foundation - grounds. The technique of solution volume problem in linear and volumetric problem with the physical nonlinearity of materials and foundation.
Keywords: new rules, calculation, base-building, reinforced concrete foundations, distribution efforts.
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