Effect of multi-cycle freeze-thaw tests on the physico-mechanical and thermal properties of some highly porous natural stones

Ugur, I.; Toklu, Hilal Özer

doi:10.1007/s10064-019-01540-z

Cited by 22 publications

(10 citation statements)

References 23 publications

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“…The detachment and loosing of grains were observed in marbles subjected to heating-cooling and freeze-thaw tests [21]. There are also references to the action of salt and ice in interfaces between grains in sandstone [75] and in trachyandesite and tuff [80]. According to Murru et al [45], marble (granoblastic texture) showed lower resistance to thermal shock than limestone with sparite and micrite and sparry cement has been reported as increasing durability of limestones under freeze-thaw tests [70].…”

Section: Textural and Structural Featuresmentioning

confidence: 97%

“…But bigger pores can favor limestone dissolution by acid attack [38] and according to Fogue-Djombou et al [65], limestones with unimodal pore network dominated by micropores present higher resistance to freeze-thaw than limestone with bimodal pore system. On the other hand, a study with several rock types proposed that the rocks with greater variation in pore size (limestone and travertine) were more stable under freeze-thaw tests than the others (trachyandesite and tuff) [80]. The impact of salt solutions in tuff [20] and limestone [25] has been explained by crystallization pressures resulting from pore size distribution.…”

Section: Pore Network Featuresmentioning

confidence: 99%

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Rock Features and Alteration of Stone Materials Used for the Built Environment: A Review of Recent Publications on Ageing Tests

2020

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This work presents a review of recent publications, with publication date between 2017 and 2019, with information on the relation between rock characteristics and the effects of diverse agents associated with alteration of stone materials in the built environment. It considers information obtained from ageing tests performed under laboratory conditions and by exposure to outdoor agents. Several lithological groups were considered, with sedimentary carbonate rocks being the most frequently studied lithotypes and silicate metamorphic rocks being the group with scarcer information. In terms of ageing tests, salt weathering was the most frequent one while there was a noticeable lesser amount of information from tests with biological colonization. The collected data showed the influence of diverse features, from specific minerals to whole-rock properties and the presence of heterogeneities. These information are discussed in the context of formulating a general framework for stone decay.

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Section: Textural and Structural Featuresmentioning

confidence: 97%

Section: Pore Network Featuresmentioning

confidence: 99%

Rock Features and Alteration of Stone Materials Used for the Built Environment: A Review of Recent Publications on Ageing Tests

2020

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“…The model is based on the uniaxial constitutive relation of concrete, and does not consider the tensile strength of concrete. The relationship is determined by the Karsan-Jirsa unloading rule [13]. The parameters include the axial compressive strength and corresponding strain, the residual strength and corresponding strain.…”

Section: Establishment Of Concrete Fiber Beam Column Modelmentioning

confidence: 99%

Numerical Simulation of the Effect of Freeze–Thaw Cycles on the Durability of Concrete in a Salt Frost Environment

Zhang²,

Guo

2021

Coatings

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In order to improve the accuracy of the analysis of the impact of freeze–thaw cycle on concrete durability in a salt freezing environment, the numerical simulation of the impact of the freeze–thaw cycle on concrete durability in a salt freezing erosion environment is studied in this paper. Firstly, considering the influence of axial force and bending moment on the relationship between bending moment and curvature, a concrete fiber beam column model is established. Then, according to the joint influence of temperature field, stress field and seepage field on concrete in the process of freezing and thawing, the control differential equation of the freezing and thawing cycle is established. The freeze–thaw damage section is divided, the non-uniform distribution of freeze–thaw damage is determined, and the division of the freeze–thaw damage section is completed. According to the linear relationship between freeze–thaw damage degree, relative dynamic elastic modulus, freeze–thaw cycle times and position variables, the durability of concrete is numerically simulated, and the attenuation law of bond strength at different section depths after freeze–thaw is determined. The results show that the temperature curve simulated by the design method is consistent with the actually measured temperature curve, which can better reduce the temperature change of the inner core of the test block during freezing and thawing, and the relative dynamic elastic modulus is in good agreement with the actual value, which can prove that the method in this paper has certain practical application value. It is expected to provide some reference for solving the durability problem of concrete in a salt frost erosion environment and the optimal design of concrete structures.

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“…In order to quantify the freeze-thaw damage degree, first it needs to define the freeze-thaw damage variable using some physical or mechanical parameters. The P-wave velocity, elastic modulus, porosity, mass and residual strain are usually used to define freeze-thaw damage variables in the previous literature (Binal, 2009; Eslami et al., 2018; Fan et al., 2020; Ghobad and Babazadeh, 2015; Huang et al., 2020b, 2020c; Khanlari and Abdilor, 2015a; Momeni et al., 2016; Tan et al., 2011; Uğur and Toklu, 2020; Wang et al., 2016b, 2017, 2019b, 2021). However, the mass change is not stable and influenced by the pore water.…”

Section: Introductionmentioning

confidence: 99%

Study on damage evaluation indexes and evolution models of rocks under freeze-thaw considering the effect of water saturations

Huang

Cai

et al. 2022

International Journal of Damage Mechanics

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Freeze-thaw action of rocks has caused many engineering geological disasters in cold regions. Estimation of the freeze-thaw damage degree and strengths loss of rocks are crucial for the prevention of freeze-thaw disasters. The main aim of this research is to investigate the influence of water saturation on the deterioration of rocks under freeze-thaw and find the best evaluation index. P-wave velocity, elastic modulus and porosity, as the widely used indexes, were adopted to define the freeze-thaw damage variables and predict the UCS loss under freeze-thaw. The change law of these three indexes shows that the critical water saturation for causing a considerable freeze-thaw damage of sandstones is approximately 60%∼80%. P-wave velocity is proved to be a competitive nondestructive parameter, which can be measured easily and correctly without any time-consuming mechanical test. In addition, P-wave velocity can be well used to predict strength loss of rocks under freeze-thaw by performing a statistical analysis of experimental data. It is suggested that the P-wave velocity may be the primary and best index to quantify the freeze-thaw damage degree of rocks with different water saturations comparison with the other two indexes. This study can provide a better understanding of the deterioration of physico-mechanical properties for unsaturated rocks and give a reference for the selection of freeze-thaw evaluation indexes.

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Effect of multi-cycle freeze-thaw tests on the physico-mechanical and thermal properties of some highly porous natural stones

Cited by 22 publications

References 23 publications

Rock Features and Alteration of Stone Materials Used for the Built Environment: A Review of Recent Publications on Ageing Tests

Rock Features and Alteration of Stone Materials Used for the Built Environment: A Review of Recent Publications on Ageing Tests

Numerical Simulation of the Effect of Freeze–Thaw Cycles on the Durability of Concrete in a Salt Frost Environment

Study on damage evaluation indexes and evolution models of rocks under freeze-thaw considering the effect of water saturations

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