LITERATURA
1. Bad ani a geotechniczne grunt6w "in situ". Kon-ferencja naukowo-techniczna SITG. PolS'ki Komitet Geotechniki, 1971.
2. Bondarik G. K., Komarow I. G. Ferron-sky B. J. - ' Polewyje mietody inzynierno-gieolo-giczeskich issledowanij. Niedra, Moskwa, 1967. 3. D e u t s c h e Nor-men DIN 4094
"Baugrund-Ramm--und Dru'cksondergerate". Hinweise fur die An-wendung, 1965.
4. Er wig H. - Modern penetrometer testing for soil investigation and foundation design. Civil Engineering and Public Works Review 1970, no. 9.
SUMMARY
The relative density of non-cohesive soils in situ may be obtained bY means of dynamic and static sounding. In Poland dynamic sounding is more com-monly used, especially the cone penetrometer (ITB--ZW) and the standard penetration test, whereas des-cribed Dutch penetrometer test was performed for the first time.
Factors influencing interpretation of the results of both dynamic and static sounding are given. The most important of these include: type of soil, depth of sounding, and soil moisture. The principles of interpreta'tion of the results of two sounding techni-ques are discussed. The paper presents the results of sounding obtained for alluvial soils from the area of construction of a power plant. The sounding were carried out by means of cone penetrometer (ITB-ZW) and Dutch penetrometer. The analysis of the results was carried out by 't3!J.cing into account the above factors influencing the interpretation. Moreover, the, changes in substratum, resulting from the construc-tion of plant foundatiOl11s and from drainage of
wa-ters are discussed.
5. Ins t r u k c j a wykonywania badan podloza grun-towego sond~ udarowo-obrotowll typu ITB-ZW. Osrod. Inf. Tech. i Ekon. w Bud. Warszawa,
1963.-6. R u i t e r J. - Electric penetrometer for site in-vestigations. Jour. Soil. Mech. aJIld Found. Div. ASCE, 1971, no. 2.
7. S c h u 1 t z e E., M 'u h s H. - Bodenuntersuchun-gen fur InBodenuntersuchun-genieurbauten. Springer-Verlag, Berlin - Heidelberg - New York, 1967.
O. Tr ofimi enkow I. G., Wor 0 b ko w L. N., S m i r n i C i j A. I., Ben e d i k tow A. A. - Po-lewyje mietody issledowanij stroitielnych swoistw gruntow, Moskwa, 1964.
9. Z w e c k H. - Baugrunduntersuchungen durch Sonden. Bauingenieur -:- Praxis, 1969, H. 71.
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