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MODELING OF A PROTECTIVE STRUCTURE ON A PILOT BASE, -RUNNED- WITH SLIDESLAND CLAYY SOILS
Abstract
Expansion of the transport infrastructure of the Krasnodar Territory (Russia), in connection with the development of new land plots, as well as an increase in the tourist flow to the region, it became necessary to build facilities in difficult engineering and geological conditions on landslide slopes in hard-to-reach areas. As one of the measures to protect against landslide movements of surface rocks and to strengthen weakened sections of slopes, structures of bored piles, restrained in non-displaceable soils, are often used. Such a constructive solution is often the optimal, and sometimes the only acceptable solution. When designing engineering protection, it is recommended to consider the use of a number of active protection measures aimed at stabilizing landslide processes. However, in case of impossibility of its device from the point of view of the organization of construction production or according to technical and economic indicators, it is necessary to provide for a passive protection device that ensures the «flow» of the structure by a landslide. At the moment, the mechanism of interaction of landslide soil with structures for point protection of detached objects has not been studied enough. The well-known techniques, due to the simplifications and assumptions adopted in them, determine significant errors in the design of anti-landslide structures. At the same time, the safety and reliability of the operation of such structures is ensured by the adoption of high safety factors. This leads to an increase in material consumption, labor intensity of the construction of protective structures and a decrease in their economic efficiency. In addition, in the Krasnodar Territory, in the construction area under consideration, landslide massifs are mainly composed of fluid clayey soils, which further complicates the process of designing protective structures. The study carried out modeling of «streamlined» protective structures that ensure the safe operation of highways in an elevated version with minimal financial costs.
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References8
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