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BEDDINGS AND FOUNDATIONS, SUBTERRANEAN STRUCTURES. SOIL MECHANICS

EQUATIONS OF NONLINEAR SOIL DAMAGE BASED ON RESULTS OF TESTING OF LATERALLY LOADED PILE MODELS

Vestnik MGSU 12/2012
  • Buslov Anatoliy Semenovich - Gersevanov Research Institute of Bases and Underground Structures (NIIOSP) Doctor of Technical Science, Professor, Advisor Russian Academy of Architecture and Construction Sciences, chief research worker, Gersevanov Research Institute of Bases and Underground Structures (NIIOSP), 59 Ryazanskiy pr-t, Moscow, 109428, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Bakulina Aleksandra Aleksandrovna - Ryazan' Branch, Moscow State Open University named after V.S. Chernomyrdin , Ryazan' Branch, Moscow State Open University named after V.S. Chernomyrdin, 26/53 Pravo-Lybedskaya St., 390000, Ryazan', Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 96 - 103

Results of testing of laterally loaded pile models demonstrate that the "load -to-displacement" dependency has a nonlinear character. This dependency may be regarded as linear within the interval of (0.2…0.3) Pul only. Tests were performed in a box with displacement indicators and power equipment. The pile model length was 200 mm, and its diameter was 40 mm. A hollow steel tube was used as the material for tested piles.
Based on the analysis of testing results, a pattern of the non-linear damage of the base was formulated. According to the pattern, the increase of the load intensity (damage factor =Ph/Pul) involves an increase in the damage of the continuity, or the rebuff ability of the soil foundation.

DOI: 10.22227/1997-0935.2012.12.96 - 103

References
  1. Bakulina A.A., Buslov A.S. Issledovanie MKE napryazhenno-deformirovannogo i silovogo vzaimodeystviya fundamentov odnostoechnykh gorizontal’no nagruzhennykh opor s uprugim poluprostranstvom [Research of the Stress-stain and Force Interaction of Foundations of Single-column Laterally Loaded Supports with an Elastic Half-space Using FEM]. Collected works of the Institute of Construction and Architecture. Collected papers of the International Scientific and Technical Conference “Promyshlennoe i grazhdanskoe stroitel’stvo v sovremennykh usloviyakh” [Industrial and Civil Engineering in the Present-day Environment]. Moscow, MGSU Publ., 2011, pp. 135—137.
  2. Vyalov S.S. Reologicheskie osnovy mekhaniki gruntov [Rheological Fundamentals of Soil Mechanics]. Moscow, Vysshaya shkola publ., 1978, 447 p.
  3. Kachanov L.M. Osnovy mekhaniki razrusheniya [Fundamentals of Fracture Mechanics]. Moscow, Nauka Publ., 1974, 311 p.
  4. Karlson A.Ya. Dostizheniya nelineynoy mekhaniki razrusheniya [Achievements of Non-linear Fracture Mechanics]. Teoreticheskaya i prikladnaya mekhanika [Theoretical and Applied Mechanics]. Works of the 14th IUTAM International Congress]. Moscow, MIR Publ., 1987, pp. 300—321.
  5. Buslov A.S. Rabota svay na gorizontal’nuyu nagruzku za predelami uprugosti v svyaznykh gruntakh [Behaviour of Piles Exposed to Lateral Load beyond the Limits of Elasticity in Cohesive Soils]. Tashkent, Fan Publ., 1979, 106 p.
  6. Glushkov G.I. Raschet sooruzheniy zaglublennykh v grunt [Analysis of Structures Embedded into the Soil]. Moscow, Stroyizdat Publ., 1977, 295 p.
  7. Vyalov S.S. Shaaban Z.S. Modifi ed Model of the Nonlinear Deformation of Cohesive Soils. International Journal of Rock Mechanics and Mining Sciences and Geomechanics. Abstracts. April 1996, no. 3, vol. 33, pp 114A—114A(1).
  8. Shashkin A.G., Shashkin K.G. Uprugo-vyazko-plasticheskaya model’ strukturno-neustoychivogo glinistogo grunta [Elastic-viscous-plastic Model of Structurally Unstable Soils]. Razvitie gorodov i geotekhnicheskoe stroitel’stvo [Urban Development and Geotechnical Engineering]. 2005, no. 9, pp. 221—228.
  9. A. Rashed, J. Bolouri Bazaz, A. Hossein Alavi. Nonlinear Modeling of Soil Deformation Modulus through LGP-based Interpretation of Pressuremeter Test Results. J. Engineering Applications of Artificial Intelligence. October 2012, no. 7, vol. 25, pp. 1437—1449. Pergamon Press, Inc. Tarrytown, NY, USA.
  10. Buslov A.S., Bakulina A.A. Vliyanie kol’tsevogo ushireniya na nesushchuyu sposobnost’ gorizontal’no nagruzhennoy monosvaynoy opory [Effect of a Round Cap on the Bearing Capacity of a Laterally Loaded Pile]. Vestnik MGSU [Proceedings of Moscow State University of Civil Engineering], 2012, no. 4, pp. 63—69.

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