A method of manufacturing a geotechnical array with adjustable stiffness

 

(57) Abstract:

The invention relates to the manufacture of artificial bases in the soil and can be used in geotechnical construction. The method consists in sinking wells, the flow into the well material and the creation of deforming forces through the implementation of bit pulses with the movement of the zone of discharge, as well as adding material. What's new is that when drilling well control parameters soil depth and make a comparison of design parameters of the actual soil, and in the process of excitation of the discharge control of seismic disturbances in the formation zone of the geotechnical array and control the level of material in the borehole, the measurement of the volume of the added material, the results of which are judged on the provision of specified characteristics generated geotechnical array, the total volume of submitted and added material exceeds the amount of completed wells. The technical result of the invention is to improve reliability of the security perception of a given load when the calculated stiffness manufactured geotechnical arrays. 3 C.p. f-crystals.

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The closest to the essence and the achieved technical result is a method of manufacturing geotechnical arrays, consisting in sinking wells, installing it electric spark gap, the flow in the borehole electrically conductive material and deforming forces by excitation high-voltage electrical discharges with moving zone of discharge, as well as the addition of electrically conductive material (see, for example, RU 2117726 C1, 20.08.1998, E 02 D 5/34).

The disadvantage of this method is that it does not allow you to adjust the stiffness of geotechnical array, to take full advantage of the strength and deformation characteristics of soils.

This is because in the process of formation of geotechnical array under the influence of pulses generated by high voltage electrical discharges occur stochastic changes geotechnical array. These changes consist in change of density gradient geotechnical array in random sepaniak walls of the well and other processes that are not amenable to absolute forecasting.

The technical result of the invention is to increase the reliability assurance of seeing is presumed due to the fact, in the method of manufacturing a geotechnical array with adjustable stiffness, which consists in sinking wells, the flow into the well material and deforming forces through the implementation of bit pulses with the movement of the zone of discharge, as well as adding material, according to the invention when drilling well control parameters soil depth and make a comparison of design parameters of the actual soil, and in the process of excitation of the discharge control of seismic disturbances in the formation zone of the geotechnical array and control the level of material in the borehole, the measurement of the volume of the added material, the results of which are judged on the provision of specified characteristics generated geotechnical array the total volume of submitted and added material exceeds the amount of completed wells.

On the basis of the set parameters of the soil can be including the number of discharges at each level of the wells and their energy characteristics of the program excitation discharge, which is correct according to the results of monitoring of seismic disturbances in the formation zone of the geotechnical array and measuring the volume gametechmods.com array can judge the presence of cavity wells of the soil, hanging from the walls, the compression of the wells and the degree of compaction of the soil.

Monitoring changes in the level of material in the well can produce after the commencement of each digit.

A method of manufacturing a geotechnical array with adjustable stiffness is as follows.

At the place of manufacture geotechnical array with adjustable stiffness produce the borehole drilling. When this control parameters soil depth and make a comparison of design parameters of soil from the actual. Controlled parameters are those parameters of the soil, which determine its stiffness and deformability. On the basis of the set parameters of the soil constitute the program of the excitation high-voltage electrical discharges. The program includes a number of high-voltage electrical discharges produced in each level of the wells, and their energy characteristics. In the case of use as the electrically conductive material of solid mixtures in a well can be installed fittings. At this time, the valve can be installed to produce electric discharges, after and during the production process discharges.

Say mortar or fine concrete mix, and excite in it electrical discharges. The excitation of the electric discharge is calculated by the program by feeding from a source of electric emitter high voltage electric pulses. In the production process of electrical discharges carry out the help of echo pulse control of seismic disturbances in the formation zone of the geotechnical array. On the basis of this control is judged on the presence in the cavity of the wells of the ground, fallen from the walls, like wells and on the degree of compaction of the soil in the area of geotechnical array. In addition, after each excitation of the electric discharge to produce the level control of conductive material in the hole and when descending produce its replenishment by measuring the volume of added conductive material. This parameter indirectly indicates the degree of compaction of the soil in the area of geotechnical array. Results the help of echo pulse monitoring and measuring the volume of the added conductive material used for program adjustments excitation high-voltage electrical discharges in such a way as to provide the desired characteristics generated geotechnical array. The total amount of electrically conductive is one array, exceeds the amount of completed wells.

Zone of excitation electric discharges move in accordance with a prepared program. Moving zone of electrical discharges can be done either by moving electric radiator, or by switching electrodes placed on the surface of the electric radiator.

Using the corrected program for the production of high-voltage electrical discharges, taking into account a priori information about the composition of the soil, allows a high degree of reliability to form the geotechnical array with the required degree of rigidity to include printed, injection or soil piles, ground anchors, etc. that leads to savings in energy and material production costs of foundations and to increase the strength, reliability and durability of buildings and structures built on such geotechnical array.

1. A method of manufacturing a geotechnical array with adjustable stiffness, which consists in sinking wells, the flow into the well material and the creation of deforming forces through the implementation of bit pulses with the movement of the zone of discharge, as well as adding materialet comparison of design parameters of the actual soil, and in the process of excitation of the discharge control of seismic disturbances in the formation zone of the geotechnical array and control the level of material in the borehole, the measurement of the volume of the added material, the results of which are judged on the provision of specified characteristics generated geotechnical array, the total volume of submitted and added material exceeds the amount of completed wells.

2. The method according to p. 1, characterized in that on the basis of the set parameters of the soil are including the number of discharges at each level of the wells and their energy characteristics of the program excitation discharge, which is correct according to the results of monitoring of seismic disturbances in the formation zone of the geotechnical array and measuring the volume of the added material.

3. The method according to PP. 1 and 2, characterized in that on the basis of control of seismic disturbances in the formation zone of the geotechnical array judge available in the cavity wells of the ground, fallen from the walls, the compression of the wells and the degree of compaction of the soil.

4. The method according to PP. 1-3, characterized in that the control changes the level of material in the borehole is performed after each excitation

 

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