Use of statistical simulation in construction planning

Abstract

Abstract. In this paper, the researchers propose taking into account construction equipment recovery time to estimate the time consumption of construction and installation works. Post-failure recovery time can be modeled using Monte-Carlo simulation. Statistical simulation is used to create a general population of machine parts by means of intermediate subpopulation. The population is made of smaller samples by creating an intermediate subpopulation using distributions of order statistics; the method is referred to as FISP method.

Development of a System for increasing the Level of Vehicle Service at the Grain Terminal

“…Based on the obtained statistical data, a simulation model was built that calculates the main indicators of servicing vehicles in the seaport. The simulation model reflects the movement of the truck through the territory of the grain terminal, according to the following order of operations: registration at the entrance -express analysis of grain -weighing with a cargo -unloading -weighing without a cargo [5,6,7].…”

The Concentration of Thermal Stresses in Metal Materials and Construction Under Local Heating

“…Для расчета напряженно-деформированного состояния оболочечных конструкций при комплексном воздействии тепловых и механических нагрузок в настоящее время чаще используются численные модели [3,8]. Однако аналитическое моделирование [10][11][12][13] позволяет, прежде всего, выявить закономерности и объяснить нетривиальные особенности механизмов разрушения тонкостенных оболочечных конструкций, адекватных экспериментальным данным [9][10][11], на основе достаточно простых аналитических соотношений, получаемых из наиболее общих систем уравнений при использовании ряда допущений. Так разрешающая система уравнений геометрически нелинейной теории оболочек может быть записана в виде уравнений типа Кармана для статического случая:…”

Theoretical foundations of modeling the process of transport vehicles steel ropes structural defects formation

“…Problem setting. In the study of the resource and durability of steel ropes operation, despite high resource of steel ropes declared by the manufacturer (15 -20 years of exploitation), the authors noted that after 5 -6 years dangerous factors appear at the sites of splicing (breaks, external wear of wires, rope diameter reduction as a result of core damage, loss of internal section, formation of "waviness"), which is the basis for unscheduled rope repair with replacement of the defective area and leads to significant material costs [1][2][3][4][5][6][7][8][9][10][11][12][13][14]. These hazardous factors indicate a violation of the steel rope physicomechanical characteristics at the splicing site and lead to its premature wear.…”