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METHODS OF SOIL TESTING BY UNIVERSAL DYNAMIC PROBE OF LRN & TP

By SEDIN V. L., UL’YANOV V. Yu., BAUSK E. A. and UL’YANOV Ya. V.

Abstract

Problem statement. Nowadays the survey organizations need in facilities of light type not being\ud produced mass.But they are necessary for the accelerated testing of soil with the possibility of use in cramped\ud conditions. Described below probe and test procedures is one of the possible solutions to this problem. Purpose. To\ud acquaint with a description of the constructional features and testing methods of soil dynamic universal probe,\ud developed in the laboratory of research of nuclear and thermal power plants (LRNTP) of Pridneprovsk scientific and\ud educational institution of innovative technologies in construction. Conclusion. The proposed probe intended to\ud determine the mechanical properties of soils and allows to provide the express assessment of the soil properties of\ud natural foundations to explore the changes of the properties of soil foundation under the operative objects in the process\ud of their operation. Universal feature of the probe is the possibility to use disposable standard cones and of the composite\ud construction of hammer (if it is necessary to reduce the weight of the hammer). As well as the possibility of carrying out\ud tests on foreign standards, in particular on standard for the SPT (Standard Probe Test). Results of probing are drawn up\ud as a standard continuous step schedule of change of depth value of conditional dynamic resistance of soils Pq, followed\ud by averaging schedule and calculating of weighted index of probing for each layer land constructions. This probe and\ud the following technique, fill a niche of the lack of manual small facilities and can contribute to the expansion of\ud technical capabilities of survey organizations

Topics: dynamic probing, conditional dynamic resistance of the soil, blowcount value, Architecture, NA1-9428, Engineering (General). Civil engineering (General), TA1-2040
Publisher: Prydniprovs'ka State Academy of Civil Engineering and Architecture
Year: 2016
OAI identifier: oai:doaj.org/article:e2f42fd35b0b4b0481611dd948512ab7
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