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  • 1
    Electronic Resource
    Electronic Resource
    The use of models in the study of stresses during soil compaction (1976)
    Springer
    Experimental mechanics 16 (1976), S. 475-478 
    Details
    ISSN: 1741-2765
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract In the present study, it is described the experimental method for measuring the direction and the magnitude of stresses during mechanical soil compaction. These stresses result in an increase in soil density. The greatest effect during the compaction results from developing a vertical component of stress in the soil. This component of stress can be measured experimentally. This stress is a function of many soil factors and the characteristics of the compaction machine. Considering the particular and, in many aspects, unknown processes of these effects on the compaction, the determination of soil compaction with models becomes very difficult. The system equation in the model is obtained by means of dimensional and numerical analysis using special computer programs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02324105
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  • 2
    Electronic Resource
    Electronic Resource
    Definition of stochastic models during soil compaction (1976)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 10 (1976), S. 1233-1247 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: Employing experiments, Correlation Analysis, the method of ‘least square estimation’, and a special computational program, the problem of similarity between the variables of the soil-machine system during soil compaction is examined. The solution, based on the probability theory of ‘Analysis of Variance’, consists in developing the stochastic model which defines the variables and their interactions for different systems.In this particular case of soil compaction by cylinders the theorem of Vaschy-Buckingham or Pi terms is used to define the mononyms (terms) of similarity.The stochastic model, operant in every case, consists of an ellipsoid characteristic of the particular cylinder and its variables, so that greatest soil compaction at a given depth is achievable with a probability of 95 per cent at a level of significance of α = 0.05.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620100604
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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