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Vol 153
Pages:
144-148
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RUS

Engineering-geological and geoecological studies of the impact of operational factors on the stability of civil and industrial structures

Authors:
R. E. Dashko1
L. P. Norova2
About authors
  • 1 — G.V. Plekhanov Saint Petersburg Mining University
  • 2 — G.V. Plekhanov Saint Petersburg Mining University
Date submitted:
2002-06-15
Date accepted:
2002-07-16
Date published:
2003-01-01

Abstract

Statistical data on the reasons of buildings and structures transition to emergency and pre-emergency state are analyzed. In more than 60 % of cases the loss of stability of structures is observed as a result of activation of various factors acting during operation of buildings. The results of experimental studies showing the negative transformation of sand-clay soils under the influence of sewage runoff and the activation of microbial activity are presented. Empirical dependencies of changes in the coefficient of filtration of sands and strength of clayey soils when the bacterial mass increases are given. The role of organic pollutants in changing the redox conditions in the city underground space has been analyzed. The recommendation of the necessity to take into account the technology of industrial production in the practice of engineering surveys is given.

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References

  1. Дашко Р. Э. Геотехнические последствия загрязнения подземной гидросферы мегаполисов (на примере Санкт-Петербурга) /Л.П.Норова, Е.С.Руденко // Экологические проблемы гидрогеологии. Восьмые Толстихинские чтения: Материалы научно-методической конференции; СПГГИ. СПб, 1999. С.64-69.
  2. Дашко Р.Э. Микробиота в геологической среде: ее роль и последствия // Сергеевские чтения. Материалы годичной сессии Научного совета РАН по проблемам геоэкологии, инженерной геологии и гидрогеологии / ГЕОС. М, 2000. С.72-78.
  3. Количественный учет влияния жизнедеятельности микроорганизмов на физико-механические свойства оглееных пород: Метод, указания / В.М.Кнатько, Т.Н. Нижарадзе, Е.А.Пушнова, М.А.Трибулкина; Л.: Изд-во ЛГУ, 1988. 25 с.
  4. Мулюков Э.И. Классификация причин отказов оснований и фундаментов / Основания, фундаменты и механика грунтов. 1995. N° 3. С.28-30.
  5. Мулюков Э.И. Причины отказов оснований и фундаментов: классификация и ее практическое использование // Усиление оснований и фундаментов существующих зданий. Уфа, 1990. С.3-24.
  6. ТСН 50-302-96. Санкт-Петербург. Устройство фундаментов гражданских зданий и сооружений в Санкт-Петербурге и на территориях, административно подчиненных Санкт-Петербургу / Б.И.Далматов, Н.Н.Морарескул. В.П.Вершинин, С.Н.Сотников и др. Администрация Санкт-Петербурга. Санкт-Петербург. 1997. 96 с.
  7. Dashko R. Physical-chemical and biochemical indicators for geoecological assessment of underground space (on the example of St. Petersburg) /L.Norova, E.Rudenko / Workshop in Vilnius, Lithuania, 11-16 October, 1999. P.9-12.

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