ENGINEERING RESEARCH AND EXAMINATIONOF BUILDINGS. SPECIAL-PURPOSE CONSTRUCTION

Quality of engineering surveysas a factor of natural-technogenic systems formation

Vestnik MGSU 1/2014
  • Kashperyuk Pavel Ivanovich - Moscow State University of Civil Engineering (MGSU) Candidate of Geological and Mineralogical sciences, Associate Professor, Department of Engineering Geology and Geo- ecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .
  • Yulin Alexander Nikolaevich - Moscow State University of Civil Engineering (MGSU) Candidate of Technical Sciences, Associate Professor, Department of Engineering Geology and Geoecology, Moscow State University of Civil Engineering (MGSU), 26 Yaroslavskoe shosse, Moscow, 129337, Russian Federation; This e-mail address is being protected from spambots. You need JavaScript enabled to view it .

Pages 83-89

Construction in urban areas is often related to reusing previously developed sites, which requires solving additional tasks both by builders and surveyors additional. The tasks are related to the evaluation of already changed natural (geological) environment of this area and its further investigation in connection with the proposed creation of a new natural-technogenic system (NTS). This article presents some examples of the influence of engineering survey quality on adopting extraordinary project solutions excluding the negative impact on NTS formation in the process of construction and operation of facilities in Moscow. In particular it is stated that the lack of control in the process of land works and transfer from the platform of water-bearing communications may ultimately lead to a different change in the strength and deformation properties of soil at the base of structures, and in some cases to geoecological disfuncion of the newly created NTS due to adverse geological processes development. The author draws attention to the complexity and responsibility of engineering geological surveys in the areas of developing powerful (>10 m) strata of bulk soils. The article considers some aspects of the influence of the temperature regime of soils in the foundation structures active zone on heat and moisture transfer in these soils, their condition and deformation properties in city area. A particular example of the construction of a high-rise building in Moscow has shown that the presence of heat-bearing communications within 3—10 m from the earth's surface may increase the annual average temperature of the strata up to 30 degrees and more, thus, dismantling such communications leads to different changes in the established temperature regime and conditions of clay soils. It is noted that the forecast of the change in basic physical and mechanical properties of the base soil in urban conditions is not possible without thermometric work during engineering-geological researches.

DOI: 10.22227/1997-0935.2014.1.83-89

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