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RESEARCH REGARDING THE MINERALOGICAL COMPOSITION OF ROCKS FROM SOME QUARRIES AND GRAVEL PITS FROM THE JIU RIVER

T. Goldan

First published: 2011-06-20https://doi.org/10.5593/sgem2011/s02.134View metrics

Abstract

Road structures construction and maintenance involves the use of large amounts of materials, including natural aggregates that occupies the largest share. On one hand the quality of natural aggregates, and other road ma terials, is decisive for the success of the technologies used in the road construction sector and on the other hand, the diversity, and number of the possibilities of purchasing and the number of producing units are more varied for natural a ggregates with possibilities to significantly influence the quality. In these circumstances, determining rigorously the quality of natural aggregates used in road sector is strictly necessary, usually with a periodic ity determined by each unit of production output. Depending on the physical-mechanical characteristics of each type of natural aggregate the possibilities to use them in the road sector are established.Specific determina tions to be carried out on natural aggregates and their recurrence intervals for regular checks and batch are referred by current standards that specify the limit values of physical-mechanical characteristics considered for each area of use. Natural aggregates from quarries mu st origine from magm atic rocks (granite, granodiorite, rhyolites, dacite s, trahite, diorites, andesite , gabbrouri, basa lt, diabase, dolerite, melafire), metamorphic rocks (gne isses, amphibolites, qua rtzites, crystalline limestone) and some sedimentary rocks (limestone, quartz sandstone, calcareous sandstone).

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Publication details

Title
RESEARCH REGARDING THE MINERALOGICAL COMPOSITION OF ROCKS FROM SOME QUARRIES AND GRAVEL PITS FROM THE JIU RIVER
Authors
T. Goldan
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference
Publisher
Stef92 Technology
Year
2011
Pages
Not available yet
ISSN
1314-2704
ISBN
Not available yet
Language
en
Publication type
Conference Paper
Keywords
road structuresmaterialsnatural agregatesgranite
References4

  1. Anastasiu N., Petrogenetic Sedimentary Processes (in Romanian), Bucharest University Printing House, Romania, 1986.

  2. Anastasiu N., Sedimentology and sedime ntary petrology (in Romanian), Bucharest University Printing House, Romania, 1998.

  3. Mutihac V., The geological structure of the Romanian territory (in Romanian), Technical Publishing House Bucharest, Romania, 1990.

  4. Ră dulescu D. P., Anastasiu N., Petrology of sedimentary rocks (in Romanian), Didactic and Pedagogic Publishing House Bucharest, Romania, 1979.

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