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International Journal of Trend in Scientific Research and Development (IJTSRD)
                             Special Issue on Innovative Development of Modern Research
                                    Available Online: www.ijtsrd.com e-ISSN: 2456 – 6470

                           The Results of the Final Engineering and

                        Geological Studies of the Mass of Lyoss Grits

                                                      J. Ravshanov

                  Assistant Jizzakh Polytechnic Institute, Department Road Engineering, Jizzakh, Uzbekistan

        ABSTRACT                                               E. V. According to the Kadyrov calculations, the land of lyoss
        The results of investigation of morphological, retrospective   is covered in an area of 4 255 600 km2 of the Earth's surface,
        and  prognoses  engineering-geological  tasks  concerning   which makes up 3,2% of the landfill area on the planet on
        loess  soils  massifs  are  formulated.  The  main  result  of   which we live. For many years, more precisely centuries,
        solution of retrospective engineering-geological tasks is the   these rocks have attracted the attention of mankind. They
        proposal  of  hypothesizes  and  mechanisms  of  loess  soils   are studied by geologists, soil scientists and geographers.
        subsidence formation. They are the base for four special
                                                               The massifs made up of these grounds are also mastered by
        and general theory of subsidence formation.
                                                               builders, landlords and agricultural workers. The thickness
        The result of solution of prognoses engineering-geological   of the areas where all these grills meet varies from a few tens
        tasks  is  the  elaboration  of  methods  for  calculation  the   or even hundreds of meters, their composition is specific and
        expected subsidence of loess soils massifs under different   close enough; these are sandy-loy-dusty systems, the main
        mode  of  their  wetting  and  the  development  of  different   part  of  which  consists  of  fine  sand  (0.1-0.05  mm)  and
        methods (hydrogeomechanical, geochemical, geotechnical   especially large-dusty (0.05-0.01 mm) - sized grains. The
        and  complex)  of  improvement  of  loess  soils  massifs   extreme dipping value of Lyoss grasses is determined using
        properties.                                            one-line and two-line methods, depending on the conditions

                                                               of conducting experiments on the odometer instrument. But
        KEYWORDS:  Engineering  geology  of  loess  soils  massifs,   solving flat and spatial issues requires the use of parameters
        subsidence  of  loess  soils,  hypothesizes  and  theories  of   related  to  classical  mechanics.  Therefore,  the  extreme
        subsidence formation, methods of improvement of loess soils   deposition value of lyoss grills can be expressed through the
        properties                                             deformation module (1 and 2-formulas).

        Introduction  of  great  importance  are  the  rocks  of  lyoss,
        formed  by  mankind  among  natural  geological  structures.
        They  are  very  common  on  earth  and  are  found  on  all
        continents of the Earth except Antarctica in large khajms

        threeraydi (Lisenko, 1978; lyoss...2001).This lyoss grunt is
        located  on  the  highest  surface  of  the  Earth,  manifested   Lyoss  grasses  have  a  number  of  specific  engineering-
        mainly in the Quadrangular formation of various Genesis.   geological properties, which are distinguished as in different
                                                               types of soils. To such a category of properties, first of all,
        The  results  of  the  study  of  morphological,  retrospektiv   they have a low content of natural moisture, high porosity,
        (related to the past) and predictive engineering-geological   low water resistance, and the main thing is a sharp increase
        problems  with respect to the arrays of Lyoss grunt were
                                                               and decrease in the degree of deposition and deposition.As a
        formed. At relative deposition, the deposition values reach   result,  in  engineering-geology,  a  scientific  and  practical
        0.17-0.21, the deposition thickness value at Natural loading   department was created, which is called engineering geology
        effect is 55 m. shown to be equal. The main task of solving   of the massifs of lousse gruels. Within its framework, the
        past  Engineering  and  geological  problems  is  the
                                                               engineering-geological  conditions  of  the  massifs  of  the
        development of 8 hypotheses and rules for the formation of   laussian lattices, their formation, spatial-time changes under
        sediments of lyoss grits, on the basis of which four general   the  influence  of  natural  and  anthropogen  (technoogen),
        theories of formation have been identified.
                                                               modern and predicted geological processes are also studied
        According to the results of solving the predicted problems –   (Trofimov, 2008). This set of studies and set of data is aimed
        it  is  necessary  to  develop  methods  for  calculating  the   at solving the engineering and geological problems of three
        expected  values  of  lyoss  grounding  in  different  wet   types  of  massifs  of  lyoss  grunt:  they  are  morphological,
        conditions of their deposition, as well as methods of further   retrospektiv (related to the past) and prophetic species.
        improvement of the composition of lyoss grounding arrays:    Solving the problems of the first type-allows us to evaluate
        geochemical, geotechnical and complex.                 the properties, condition, structure and composition of lyoss

        The law of their compression is almost no different from   grits, as well as the massifs that they constitute;
        some other grunt, if external forces affect the grunt of lyoss,
                                                               The solution of the second type of problem is to give us the
        which has a natural moisture content. But if we saturate the   named  characteristics  of  this  Massif,  the  history  of  the
        lyoss grunt, which is affected by the pressure, with water,   appearance of sediments and their recovery;
        then rashes are also formed in it. Such additional sediments
        are called extreme sedimentation deformation of the lyoss   The solution of the third type of problem is the prediction of
        grunt.                                                 the economic assimilation of the lyoss gruels. In this regard,
                                                               it  is  necessary  to  examine  the  solution  of  the  problem



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