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Computation of blast-disturbance zones in rock foundations and the selection of rational plans for drilling and blasting operations conducted near the periphery of trenches

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Hydrotechnical Construction Aims and scope

Conclusions

  1. 1.

    An engineering method developed for computing the size of a blast-induced zone of disturbance in rock masses utilized as foundations for structures makes it possible to define the range of blasting without protective layers and differentiate and optimize the dimensions of these layers with allowance for the properties of the rock masses.

  2. 2.

    The analysis that we conducted makes it possible to evaluate the rationality of various technological schemes for drilling and blasting operations near the periphery of trenches.

  3. 3.

    The results of studies that we performed enable us to define more precisely and develop positions for the Construction Norms and Regulations on drilling and blasting operations near the periphery of trenches opened for critical structures.

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Literature cited

  1. Instructions for the preparation of rock beds for concrete hydraulic structures employing contour blasting in open pits (All-Union Norm 40–70*). Ministry of Power and Electrification of the USSR, Énergiya, Leningrad (1973).

  2. Technical Regulations Governing Blasting Operations in Power-Engineering Construction [in Russian], Énergiya, Moscow (1972).

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  6. F. M. Lyakhovitskii, “The relationship between elastic and strength properties of rock,” in: Geophysical Investigations [in Russian], No. 1, Moscow State Univ. (1964).

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  8. A. E. Azarkovich and M. I. Shuifer, “Acoustic criteria for the condition of rock foundations supporting hydraulic structures,” in: Proc. of the All-Union Lenin Order S. Ya. Zhuk Sci.-Res. Inst. for Des. and Explor. [in Russian], No. 49 (1976).

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Authors
  1. A. E. Azarkovich
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  2. A. V. Korenistov
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  3. M. I. Shuifer
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Translated from Gidrotekhnicheskoe Stroitel'stvo, No. 1, pp. 9–13, January, 1979.

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Azarkovich, A.E., Korenistov, A.V. & Shuifer, M.I. Computation of blast-disturbance zones in rock foundations and the selection of rational plans for drilling and blasting operations conducted near the periphery of trenches. Hydrotechnical Construction 13, 10–18 (1979). https://doi.org/10.1007/BF02304306

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  • DOI: https://doi.org/10.1007/BF02304306

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