Abstract
An issue has been discussed on determining the best value of quadrangular trench slopes, grade considering the provision of reliability for soil steady position in minimizing the quantity of the necessary earthworks. The calculation algorithm has been described including the determination of stability coefficient for a soil slope being in the ultimate rock equilibrium condition. The task is completed via the method of circular-cylindrical revolving surfaces using the genetic algorithm.
Highlights
Designing the slopes for excavations and embankments requires carrying out the correct evaluation of soil position stability
It is noted elsewhere that when making calculations and substantiating the soil structure profile while ensuring its stability, it is possible to achieve a reduction in the volume of excavated soil in the arrangement trench slopes up to 25% [14], in comparison to practical methods that use reference data in determining the dimensions of the said elements
The studies [3, 8, 16] conducted has proved, that any known calculation method cannot to high reliability determine the value of the soil structure slope stability coefficient
Summary
Designing the slopes for excavations and embankments requires carrying out the correct evaluation of soil position stability. Designing the ditches and trenches is carried out taking into account the soil conditions of the construction yard and the foreseeable efficiency of earthworks Comprehensive consideration of these factors increases the quality of design solutions, which is relevant for the practical implementation of engineering tasks. The studies [3, 8, 16] conducted has proved, that any known calculation method cannot to high reliability determine the value of the soil structure slope stability coefficient. To address these challenges, it is proposed to apply the genetic optimization algorithm to the task of the trench slope stability evaluation, which provides a reduction in the amount of earthworks during its arrangement. The studies [2, 4, 5, 10] conducted proved the possibility of effective using the random search methods in solving such a problem
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