When resolving the issue of the foundations strengthening and reconstructed buildings foundations, it is necessary to consider the ground part of the building or structure as a whole. The foundations are the soil foundation under them. It is necessary to solve simultaneously the problem of reducing the sensitivity of a building or structure to uniform precipitation of foundations and to restore the spatial rigidity of the building.
In order to study this issue, a numerical experiment was developed-modeling and calculation of the reconstructed brick building bearing capacity based on varying the thickness of the brick wall.
The analysis of stress-deformed state portion of the structure revealed that the greatest deformation of the elements is obtained in the overlapping area bearing elements and the edge beam in the location area. The relative displacements study of the finite elements nodes showed convergence with field observations of the foundation beam deformation at the object.
Since 2010, there has been a growing trend in the market for mini-excavators from various manufacturers. The range of manufactured equipment is increasing, as well as the technological capabilities of construction equipment are growing. At the same time, in the modern standards of Russia are no figures on the complexity of soil excavation with this type of technology.
The article shows the timing of soil excavation using the example of a mini-excavator with a bucket volume of 0.03-0.04 m3. The object of the study is the amount of time the mini-excavator works on II group of soils. The timekeeping method is used to determine the operating time of a mini-excavator with a bucket volume of 0.03 and 0.04 m3. It is experimentally obtained that the norm of time for operation of a mini-excavator with a bucket volume of 0.03m3 is 5.82 mach *hours, and for a bucket volume of 0.04 m3 is 5.37 mach*hour.
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