Thermal shock and freeze-thaw resistance of different types of carbonate rocks

Güler, Soner; Türkmenoğlu, Z.; Varol, Ogün Ozan

doi:10.1016/j.ijrmms.2020.104545

Cited by 25 publications

(4 citation statements)

References 45 publications

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“…After water enters through the pores and temperature decreases, freezing occurs, expanding the water volume and causing an increase in the size and number of pores or microfractures, leading to an increase of the effective porosity. These weathering patterns were also recorded by means of Guler et al [73].…”

Section: Freeze-thaw (F-t)mentioning

confidence: 92%

The quantification of physico-mechanical properties and durability of onyx-travertines from Santa Ana de los Ríos de Cuenca, Ecuador

et al. 2022

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In this study, physico-mechanical properties and durability of 4 onyx-travertines from Sinincay (Ecuador) were investigated. These onyx-travertines are commonly used for decorative purposes in buildings in the Historic Center of Santa Ana de los Ríos de Cuenca. The aim of this work was to characterize these stones and determine the variation of their physico-mechanical properties, such as mass loss and water absorption, after being subjected to four durability tests: salt crystallization (S-C), freeze–thaw (F-T), thermal shock (T-S) and acid attack (A-A). In addition, Scanning Electron Microscopic (SEM) analyses were carried out to record weathering patterns and understand the deterioration mechanism. Results show that these stones’ sedimentary structure is stratified. Two specimens exhibit geometrical features consistent with porous laminated facies and the remaining two have slightly porous cryptolaminated ones. Facies’ structure orientation is also found to determine mechanical strength, exhibiting the normal to lamination orientation the lowest value. As for durability, the statistical interpretation of the results suggests that the level of severity of each test follows S-C > F–T > A-A > T-S. In addition, laminated facies are more vulnerable to accelerated aging tests. Impact of S-C, F–T and T-S tests is mainly explained by differences in porosity and damage produced by A-A is related to the available effective area for the reaction to take place. Thus, the onyx-travertine is more than a wonderful material, it represents an interesting case study for development of future research on heritage stone in Ecuador and the world by employing normalized tests that are rarely used or published.

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Section: Freeze-thaw (F-t)mentioning

confidence: 92%

The quantification of physico-mechanical properties and durability of onyx-travertines from Santa Ana de los Ríos de Cuenca, Ecuador

et al. 2022

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“…Kayaçların mekanik özelliklerine ilave olarak yoğunluk, porozite ve su içeriği gibi bazı önemli fiziksel özelliklerine inşaat sektörü, liman ve havaalanı dolgusu, parke, gabion imalatları, yol çalışmaları gibi mühendislik projelerinde ihtiyaç duyulmaktadır. Ayrıca, donma çözülme ve termal şok parametreleri ile ilgili yapılan çalışmalarda kayaçların yoğunluk, porozite ve su emme gibi fiziksel özellikleri önem taşımaktadır [7][8][9][10][11][12][13][14]. Yavuz [7] donma çözülme ve termal şok özelliklerinin andezit kayaçlarının fiziksel ve mekanik özellikleri üzerine etkisini araştırmıştır.…”

Section: Introductionunclassified

Kayaçların fiziksel özelliklerinin ıslanma ve kuruma etkisine bağlı değişiminin belirlenmesi

ÇAKIR

Karaman

Yılmaz

2022

Balıkesir Üniversitesi Fen Bilimleri Enstitüsü Dergisi

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Some physical properties of rocks (water content, density, etc.) are frequently used in the design of rock engineering projects. The physical properties of rocks that are used in the designs can vary in different climatic conditions (rainfall, drought, etc.). The purpose of this study is to investigate the changes of time dependent of rocks subjected to wetting and drying in which properties of water content. It was shown that much water is removed from the rock’s body in the early hours in a hot environment (105 degrees). Similarly, the rocks can nearly become saturated in the first few hours when they exposed to water. Under constant temperature (30 degrees), a large amount of water was removed from the rock body at the end of the first day in the samples.

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“…Based on the data obtained, they developed an empirical equation to determine the Vp wave velocity of stones during freeze-thaw cycles [13]. Guler et al (2021) investigated changes in physical, mechanical and index properties of six different carbonate rocks by exposing them to thermal cycles. They stated that as the number of T-S and F-T cycles increases, the internal structure of carbonate rocks increases and, as a result, their physico-mechanical properties change significantly [14].…”

Section: Introductionmentioning

confidence: 99%

“…Guler et al (2021) investigated changes in physical, mechanical and index properties of six different carbonate rocks by exposing them to thermal cycles. They stated that as the number of T-S and F-T cycles increases, the internal structure of carbonate rocks increases and, as a result, their physico-mechanical properties change significantly [14]. Mardoukhi et al (2021) determined the effect of test temperature and low temperature thermal cycles on the dynamic tensile strength of rocks in low temperature environments such as Mars.…”

Section: Introductionmentioning

confidence: 99%

Investigation of Some Property Changes of Light-Colored Turkish Natural Stones after High-Temperature Treatments

Özdemir

2022

Sustainability

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Natural stones are a widely used construction material for both structural and decorative purposes. It is a material used for many floors and cladding due to its special beauty and quite aesthetic appearance. However, natural stones are exposed to different temperatures due to natural, urban or industrial activities and they lose their physico-mechanical properties. It is known that high temperatures and fire cause degradation of construction and building stones. There are many studies investigating the effect of high temperatures on physical and mechanical properties of natural stones, while there are very limited studies on color and gloss. In this study, the changing physical and mechanical properties, color and gloss of different light-colored polished natural stones exposed to room temperature up to 1000 °C in the oven were investigated. For this purpose, natural stones were gradually exposed to 200, 400, 600, 800 and 1000 °C, starting from room temperature. After exposure to different temperatures, water absorption, porosity, Schmidt hammer hardness, point load strength, color and gloss were measured and compared to reference samples (at room temperature). However, all samples were decayed at 1000 °C, changes at this temperature value could not be determined. The results obtained at other temperature values were evaluated separately for each parameter. While the change in physico-mechanical properties of all samples up to 400 °C was limited, a dramatic change was observed with increasing temperature. In all samples, point load strength losses were observed due to an increase in porosity and water absorption. In addition, all samples darkened at 400 °C, while the whiteness value (L*) of samples increased at 800 °C. Gloss values gradually decreased due to the increase in temperature.

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Thermal shock and freeze-thaw resistance of different types of carbonate rocks

Cited by 25 publications

References 45 publications

The quantification of physico-mechanical properties and durability of onyx-travertines from Santa Ana de los Ríos de Cuenca, Ecuador

The quantification of physico-mechanical properties and durability of onyx-travertines from Santa Ana de los Ríos de Cuenca, Ecuador

Kayaçların fiziksel özelliklerinin ıslanma ve kuruma etkisine bağlı değişiminin belirlenmesi

Investigation of Some Property Changes of Light-Colored Turkish Natural Stones after High-Temperature Treatments

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