ОСНОВНЫЕ МЕТОДОЛОГИЧЕСКИЕ ПОЛОЖЕНИЯ ПО РАСЧЁТУ НА ПРОЧНОСТЬ ОБСАДНОЙ ТРУБЫ ПРИ БУРЕНИИ СКВАЖИНЫ ПОД УСТРОЙСТВО БУРОНАБИВНОЙ СВАИ
Вестник Южно-Уральского государственного университета. Серия: Строительство и архитектура(2020)
Abstract
Modern urban development and the territories of existing industrial facilities are increasingly dictating their terms for the implementation of new design solutions. The density of constructed objects prohibits the application of frequently used driven piles, but due to the low bearing capacity of the base soils, it is necessary to apply solutions using bored piles. A new method for calculating the strength of a casing pipe while drilling a well in structurally unstable soils when installing bored piles is proposed. This calculation method allows to calculate the borehole wall for stability at the design stage, determine the squeezing pressure of the borehole walls transferred to the outer surface of the casing, and select its cross section for different types of manufacturing material. The ultimate goal is to reduce the cost of building foundations using bored piles by reducing the material consumption of the structure.
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Key words
прочность обсадной,основные методологические,положения расчёту,на
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