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  • On the definition of the parameters of the field loosening

    This article describes a new method to determine the geometrical characteristics of the transverse profile (loop) field loosening that occurs during processing of the formation of the soil system deformers chisel plow. This technique allows you to analyze system deformers Subsoilers all types and versions with a depth of 45 cm by loosening and deeper. Full-scale experiment was conducted in field conditions in the experimental field of the Institute FGBNU SKNIIMESKH Zernograd, Rostov region. Showing a comparative study of different models chisel. The parameters of cutting intrasoil walls necessary for the accumulation of subsurface water on cultivated slopes. Application of a new methodology for determining the area of ​​loosening allow the most qualitative loosen the soil without overturning, create new and improve existing designs chisel various modifications.

    Keywords: slope of land, subsurface wall сhisel plow type, region loosening, sample receiver, vaccum system deformers, natural experiment

  • The need for continuous monitoring of water spending constructions of systems for water management in the south of Russia

    This article describes the issues of water management in the south of Russia. Submitted by the need to implement new permanent monitoring systems for long-exploited water bearing structures. Currently, more than 80% of water conveyance structures in the south of Russia have worked much your standard service life. At the same time there is a simultaneous increase in the load on the aging waterworks, in the absence of the necessary qualified staff and technical repair base will inevitably lead to an increase in the number of accidents due to operational reasons. Existing methods of inspection of hydraulic structures aimed at assessing the overall suitability of facilities supporting structures for further use. During the irrigation channels trough surveys, a number of questions to identify the nature of damage and defects, as well as forecasting of technical condition for a certain period of time. Therefore there was a need for a method for screening and prediction of technical state of gutter channels of irrigation systems. Monitoring is carried out taking into account the existing regulations for the design, construction and operation of the specifics, as it highlights the basic requirements for carrying out the process of the technical state of constructions using modern measurement instruments for nondestructive monitoring.

    Keywords: monitoring, water-conducting structures, the residual resource, water management, reliability parameters, technical condition

  • The implementation of new automation systems for forecasting the residual resource of water conveyance structures with regard to their reliability parameters

    This article describes the issues on the basis of scientific research and the data produced in-depth analysis of technical condition of water spending long maintained facilities for further classification of defects and damages, as well as the prediction of their remaining life. Mathematical and software was built on the length of the projected water filtration since the beginning of the construction survey. Program - technical complex in the survey predicts the loss of bearing capacity as the structure as a whole and its constituent elements from the moment of injury. In the future, software and hardware predicted time total loss bearing capacity of the construction, using various regression dependence. Technical possibilities of application systems allow calculation of the geometric characteristics of different defects and damages on the surface of structures, and in some of its elements. Presented Program - technical complex for solving the problem of forecasting residual resource of water conveyance structures can be used to create a database during the operation of these structures over a long period of operation that will extend the life cycle of water conveyance structures with regard to their reliability parameters. The basic provisions on the organization of determination and prediction of residual life long maintained water conveyance structures, identification of defects and damages, assessment of suitability taking into account the reliability of the parameters, for further use water conveyance facilities.

    Keywords: monitoring, automation, carrying water facilities, livneotvodyaschie facilities, software and hardware, reinforced concrete, technical condition.

  • Automation monitoring livneotvodyaschih structures on water conveyance channels Stavropol Territory

    This article describes how the use of software and hardware complex for automating condition monitoring for example livneotvodyaschih facilities. Livneotvodyaschie facilities have a large margin, but a number of negative factors, such as non-compliance with construction technology, defect geological and hydrological features of water conveyance canal route in the design, as well as the wrong mode of operation for the duration of the channel to some extent reduces the effectiveness of permeable properties of concrete canal lining. The problem of long-term operation of such facilities is little scrutiny of the processes for its time, in connection with which there is a need for monitoring of providence water resistance of such structures in case of possible violations of the integrity of the concrete pavement and education, various decompression and voids. With it you can make out the different parameters of defects and damages, as well as the calculation of the projected period of residual life of their elements, and geometrical parameters of each defect, namely - the location, depth, width, height, and operational evaluation of the residual resource, namely - forecasting the total number of cycles of freezing and thawing as passed for the period of operation, and the remaining to the loss of the bearing capacity of reinforced concrete elements water conveyance facilities.

    Keywords: monitoring, automation, carrying water facilities, livneotvodyaschie facilities, software and hardware, reinforced concrete, technical condition

  • Justification life extension bearing precast low-pressure water-lifting shield dams

    The problem of justifying extending the service life of hydraulic structures in Russia is unsatisfactory condition requiring modernization and refurbishment. Currently in Russia over the length of the river network of 2.37 million sq km includes more than 125 thousand rivers that can be used for navigation. When locking, the most widely found as regulator control structures of low pressure shield dam spillways with metal swivel farms most widely used when evaluating the residual life of structural elements carrying water conveyance structures, has an integrated risk assessment of the accident. According to the distribution curves can be classified technical condition of each item, such as rods and plates in various defects as small and dangerous damage the elements included in the design. During the simulation obtained contour plots of stress-bearing low-pressure water-lifting precast shield dams for subsequent prediction justify continued reliable exploitation. The concept of life extension studies supporting structures prefabricated low-pressure water-lifting shield dams on the example of individual structures bearing elements, prefabricated low-pressure water-lifting shield dams, based on modeling of the loading process from various defects and damage due to prolonged use.

    Keywords: water-conducting structures, prefabricated pumping low-pressure-mounted dam, modeling, technical condition, residual life.

  • Problem of determining the residual resource of technical condition of low pressure closed spillways waterworks

    Currently, more than 80% of water conveyance structures worked much the normative life. At the same time there is a simultaneous increase in the load on the aging waterworks, in the absence of the necessary skilled personnel and technical repair base will inevitably lead to an increase in the number of accidents due to operational reasons. Identification of factors that influence the condition of the facilities at the intersections , the search for methods of calculation and control of non-destructive methods to evaluate their work , life extension , etc. is of paramount importance at this stage. Residual life for the safe operation of water conveyance structures determined on the basis of system analysis with the development of the block diagram of a dynamic system having a number of subsystems. The main property that determines the life of the system , is the reliability of its elements , ie reliability and trouble-free operation for a certain period of operation. Dependability and reliability of the system as a whole is determined by the condition that each element of the system can be in one of two states - serviceable or failure.

    Keywords: water-conducting structures, low head hydro closed spillways, modeling, technical condition, residual life.

  • Methods for modeling the stress-strain state of the reinforced concrete spillway console for various boundary conditions

    The paper discusses methods for the numerical simulation of the stress- strain state needed to evaluate the different boundary conditions of technical condition of long exploited surround impervious geotextile cover height adjustable fins . After a long period of operation of hydraulic structures continue to operate without routine repairs necessary to make the technical reconstruction of structures on the basis of innovation , as well as the previously proven technology of repair. The simulation result is characterized by the presence of non-hazardous for coverage of total movements , which shows the presence of a large margin of safety cover . It was also made ​​modeling the formation of various defects, namely the most dangerous - subsidence of the underlying soil. Education deflection along the length of coverage shown in the orthographic total displacement of the drawdown of the subsoil . Was numerically simulated work covering the load of its own weight and volumetric filling the cells of soil under different parameters . One of the pressing problems at present in the field of security for a long time operated water conveyance structures is the correct assessment of the residual life .

    Keywords: waterworks, water-conducting structures, numerical simulation, the stress-strain state

  • Methods for modeling the stress-strain state to determine residual life of reinforced concrete console spillway under various boundary conditions

    This article discusses methods of modeling the stress- strain state needed to evaluate the different boundary conditions of the technical state of reinforced concrete cantilever operated long spillway. Most long- operated hydraulic structures in Russia is unsatisfactory condition requiring modernization and refurbishment. After a long period of operation waterworks continue to work without a planned repairs necessary to make the technical reconstruction of buildings on the basis of innovation , as well as previously proven technology of repair. Console spillway - open conjugating hydraulic structure where the water first moves over the construction , and then - the water flow freely reset to unfortified ground. Such structures the most economical , since the same difference befov their reinforced concrete part of a much smaller, and no part of the stilling strengthened and basically they are arranged on the rocky soil . When soils are weak, then you must make the console damper on long distance or strengthen easily eroded soil in the fall of the water flow. In the most dangerous cases falling from the absorber fed to a stilling well, for energy dissipation , from which he subsequently moved away from the building. Assessed the degree of accident risk of reinforced concrete elements console spillway . In the experiment sought to identify the residual resource , namely the reliability of the technical state of facilities for the period of operation, more than 60 years , in different types of defects and damages , as well as the estimated residual life . A complex system using a database Microsoft Access.

    Keywords: waterworks, console spillway, the stress-strain state, numerical modeling, technical condition, residual life.

  • Improvement of methods for extending the life cycle of the technical condition of long-exploited water conveyance facilities

    In this article the basic parameters required for residual life assessment and life extension of the technical condition of water or long operated facilities. Inlet water or prolonged use many facilities design elements out of order it - complete destruction of concrete structures water conveyance structures, the formation of defects, normal operational performance of the design water conveyance facilities, such as violation of butt joints, as well as the destruction of the individual elements of the structure, etc. During the development of methods for extending the life cycle of water conveyance structures are obtained by the use of impervious geotextile cover that make for a correct evaluation of residual life of structures may extend its operational life cycle. The question arises of the need for correct and timely manner and to assess the remaining amount of the carrying capacity of water conveyance structures, to evaluate the technical condition and extend its life cycle. To do this, we can apply the proposed impervious geotextile cover. 

    Keywords: hydraulic structures, water-conducting structures, life cycle, residual life, technical condition