Factors affecting the durability of selected weak and clay-bearing rocks from Turkey, with particular emphasis on the influence of the number of drying and wetting cycles

Gökçeoğlu, Candan; Ulusay, Reşat; Sönmez, H.

doi:10.1016/s0013-7952(00)00031-4

Cited by 182 publications

(76 citation statements)

References 14 publications

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“…The Slake Durability test was carried out using the standard testing method developed by Franklin and Chandra (1972) [1], as recommended by the International Society for Rock Mechanics [26] and standardized by the American Testing and Materials [27]. The Slake Durability is an important property for rock materials and rock masses, as it could be used to characterize the susceptibility of such rocks to weathering and provide an overview of their geotechnical behaviour ( [1,9,[28][29][30][31][32][33]). The Uniaxial Compressive strength was indirectly measured using the Point load test which was developed as an index test, since the samples appeared to be very broken, at least for the UCS testing method.…”

Section: Materials Studied and Testing Methodsmentioning

confidence: 99%

Geotechnical and mineralogical properties of weak rocks from Central Greece

et al. 2009

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Thirty bulk samples of hard soils-soft rocks such as marls, originating from Euboea Island and Peloponnesus area, were investigated to evaluate their geotechnical behavior. Specifically, by conducting a series of physical and geotechnical tests, such as liquid limit and plastic limit tests, along with the estimation of the grain size fraction, Slake Durability and Point Load Test. Certain parameters were determined and used for empirical correlations with their mineralogical characteristics. The mineralogical composition was determined by Xray diffraction, thermo-gravimetric and thermal analysis, succeeded by textural analysis performed by Optical Microscope. With the help of the above mentioned tests, we interpreted the observed geotechnical behavior of the examined weak rocks by means of mineralogical composition and texture. Durability and the unconfined compressive strength was found to be influenced by high percentages in carbonate minerals. In addition, it was found that a decrease in clay content resulted in higher strength and durability values. The concluded empirical correlations verified the influence of these parameters and gave a general overview of the engineering behavior of the examined weak rocks.

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Section: Materials Studied and Testing Methodsmentioning

confidence: 99%

Geotechnical and mineralogical properties of weak rocks from Central Greece

et al. 2009

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“…A study by Gökçeoglu et al [10] found a correlation between the SDI of the clay bearing rocks and the expandable clay minerals. This indicates possible correlation between kimberlite weathering and SDI since smectite (expandable clay) determines kimberlite weathering [2].…”

Section: Slake Durability Index Testmentioning

confidence: 96%

“…These steel drums are made of sieve mesh of 2 mm, allowing all particles smaller than this to pass into the water bath. The SDI is defined as the percentage of the final weight (>2 mm) compared to the initial dry weight [10]. SDI values are normally categorised (see Table 1) to provide a simple weatherability classification for ores.…”

Section: Slake Durability Index Testmentioning

confidence: 99%

The influence of potassium on the weathering properties of kimberlite and the information provided by different testing methods

Morkel

Saydam

2008

International Journal of Rock Mechanics and Mining Sciences

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“…After analysing all the processes that lead to weathering [2,29], it can be noticed that water has the most significant impact on the development of most of these processes. That longterm impact, through various processes, eventually leads to degradation of mechanical properties of marl.…”

Section: Sampling and Testing Proceduresmentioning

confidence: 99%

Testing the shear strength of soft rock at different stages of laboratory simulated weathering

2017

JCE

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Testing the shear strength of soft rock at different stages of laboratory simulated weatheringDetermination of the change in strength based on simulation of weathering process in laboratory conditions is described in the paper, using marl samples taken from flysch formations in the region of Dalmatia. The testing has revealed that the proposed weathering simulation in laboratory can be conducted within acceptable time frames. Because of the observed change of shear strength parameters as related to values corresponding to the strength of material described as soil, it is sometimes necessary to use soil testing devices so as to take into account the load range applied in individual types of testing devices. Mjerenje posmične čvrstoće meke stijene u uvjetima laboratorijski simulirane rastrošbe U radu je opisano određivanje promjene čvrstoće temeljeno na simuliranju procesa rastrošbe u laboratorijskim uvjetima, koristeći uzorke lapora iz flišne formacije s područja Dalmacije. Na temelju provedenih ispitivanja zaključeno je da je predloženi postupak simuliranja rastrošbe u laboratoriju provediv unutar prihvatljivih vremenskih okvira. Zbog uočene promjene parametara posmične čvrstoće na vrijednosti koje odgovaraju čvrstoći materijala koji se opisuje kao tlo, ponekad je potrebno, zbog raspona veličine opterećenja koje se nanosi u pojedinom tipu uređaja, koristiti i uređaje za tlo. Messungen der Scherfestigkeit weichen Gesteins unter im Labor simulierten VerwitterungsbedingungenIn dieser Arbeit wird die Ermittlung von Änderungen der Scherfestigkeit weichen Gesteins aufgrund simulierter Verwitterungsprozesse unter Laborbedingungen an Mergelproben aus den Flysch-Formationen der Region Dalmatien beschrieben. Aufgrund der Untersuchungen geht hervor, dass das vorgeschlagene Verfahren zur Simulation der Verwitterung im Labor in vertretbarem Zeitrahmen durchgeführt werden kann. Bedingt durch den Einfluss von Änderungen der Scherfestigkeite auf die Festigkeit des Materials, das als Boden beschrieben wird, ist es manchmal notwendig bei großen Unterschieden der aufgebrachten Lasten, je nach Gerätetyp, auch Geräte für Bodenproben zu verwenden.

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Factors affecting the durability of selected weak and clay-bearing rocks from Turkey, with particular emphasis on the influence of the number of drying and wetting cycles

Cited by 182 publications

References 14 publications

Geotechnical and mineralogical properties of weak rocks from Central Greece

Geotechnical and mineralogical properties of weak rocks from Central Greece

The influence of potassium on the weathering properties of kimberlite and the information provided by different testing methods

Testing the shear strength of soft rock at different stages of laboratory simulated weathering

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