Some organizational and technological solutions of geotechnical protection in cramped conditions
Abstract
Some organizational and technological solutions of geotechnical protection in cramped conditions
Incoming article date: 28.02.2018During the construction or reconstruction of buildings and structures in dense urban areas it is necessary to perform geotechnical monitoring of buildings surrounding buildings, in order to determine the compliance of the projected and actual values of precipitation and their relation to the permissible normative values. The accuracy and the cyclical nature of geophysical measurements should be carried out in accordance with the requirements of SP 22.13330.2011 foundations of buildings and structures. The updated edition of SNiP 2.02.01-83* [2]. The need to perform geotechnical monitoring is also due to the timely detection of unacceptable additional sediment buildings surrounding buildings and prevent the development of defects and deformations caused by these precipitation. Due to the regular monitoring cycles, it is possible to predict the growth of additional sediments or stabilize them. In case of increase of additional precipitation of buildings of surrounding building up to maximum permissible values and availability of the forecast of its further increase it is necessary to carry out actions for their geotechnical protection. In case of stabilization of additional sediment of buildings of surrounding building, implementation of measures for geotechnical protection is not required, which in turn does not entail additional financial and time costs during construction. The article gives an example of geotechnical monitoring on the reconstruction object in conditions of dense urban development. The results of its implementation are given. The analysis of occurrence of additional sediment buildings surrounding buildings. The necessity of implementation of measures on geotechnical protection is defined. The economic efficiency of geotechnical monitoring on this object is given. The results of the study may be useful in carrying out geotechnical monitoring at other sites in dense urban areas, as show that the additional sediment of adjacent buildings may not always be caused only by the construction works. And in case of timely stabilization of additional sediments, it is possible to avoid additional financial and time costs, thanks, inter alia, to the results of geotechnical monitoring.
Keywords: geotechnical monitoring, additional sediment, geotechnical forecast, surrounding buildings, activities