1. Analysis of existing approaches when evaluating the engineering-geological conditions of tunnel construction

   • E. M. Pashkin

   OriginalPaper Pages: 227 - 231

2. Precast pliant lining for difficult geological conditions

   • A. A. Simonyan
   • P. S. Oganesyan

   OriginalPaper Pages: 231 - 233

3. Improvement of supports in tunnel construction under complex geological conditions

   • D. G. Gudushauri
   • A. I. Chaldze

   OriginalPaper Pages: 234 - 236

4. New designs of supports for large chamber workings

   • O. N. Zolotov
   • V. F. Ilyushin
   • A. V. Kolichko

   OriginalPaper Pages: 237 - 243

5. Deformation properties of rocks of the diversion pressure tunnel of the Inguri hydroelectric station

   • G. K. Chumburidze

   OriginalPaper Pages: 243 - 252

6. Consideration of the anisotropic properties of stratified rocks when designing crack-resistant linings of pressure tunnels

   • G. K. Chumburidze
   • S. G. Safarova

   OriginalPaper Pages: 252 - 259

7. Improvement of methods of calculating the optimal parameters of smooth-wall blasting

   • V. A. Fokin
   • G. N. Sirotyuk

   OriginalPaper Pages: 259 - 262

8. Engineering model of deformation and fracture of rocks and concrete under compression

   • M. G. Zertsalov

   Engineering Calculations and Production Efficiency Pages: 263 - 270

9. Mechanism of failure of fractured block masses under the effect of a high-velocity flow

   • Yu. G. Zharkov

   Engineering Calculations and Production Efficiency Pages: 270 - 276

10. Hydraulic drive unit for operating a gate

    • I. Kh. Kaplan

    From Ideas to their Realization Pages: 277 - 280

11. Experience in using the variational method in slope stability calculations

    • V. N. Bukhartsev
    • A. Yu. Ivanov
    • I. Togo

    Discussion of Building Codes Pages: 281 - 284