Constitutive model of concrete damaged by freeze–thaw action for evaluation of structural performance of RC elements

Bertó, Luisa; Saetta, Anna; Talledo, Diego

doi:10.1016/j.conbuildmat.2015.08.035

Cited by 68 publications

(23 citation statements)

References 13 publications

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“…Hydrotalcite is a naturally occurring mineral and belongs to the family of LDH, being known since the 19 th century. Chemically, it can be represented as Mg 6 Al 2 (OH) 16 [CO 3 ]·4H 2 O. It was first discovered in Norway and reported by German-Austrian chemist Carl C. F. Hochstetter in 1842 [87].…”

Section: Preparation Methodsmentioning

confidence: 99%

“…To reduce the environmental impact of cement production, it is desirable to have concrete infrastructure with longer service life. However, due to the various degradation phenomena associated with reinforced concrete structures such as steel corrosion [7][8][9][10][11][12][13][14], freeze thaw cycles [15,16], ice abrasion [17][18][19], acid attack [20,21] etc., the service life of infrastructure is considerably reduced.…”

Section: Introductionmentioning

confidence: 99%

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Recent Advances on the Application of Layered Double Hydroxides in Concrete—A Review

et al. 2020

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The issue of chloride induced corrosion of reinforced concrete is a serious problem affecting infrastructure globally and causing huge economic losses. As such this issue has gained a considerable attention in the scientific community in the recent past. Layered Double Hydroxides (LDHs) have recently emerged as a new class of concrete-additives with a potential to increase the chloride resistance of concrete and mitigate corrosion. LDHs are clay like structures consisting of positively charged layers of cations with associated hydroxides and exchangeable anions in between the layers. Due to this charge balanced structure, LDHs possess the property of encapsulating an anion from the environment and replacing it with an exchangeable anion present in its layers. Potential applications include chloride entrapment in concrete and delivery of corrosion inhibiting anions. However, many versatile compositions of LDHs can be easily synthesized and their application as cement additives reach far beyond corrosion mitigation in concrete. This review presents a summary of recent advances on the applications of LDH in concrete. An extensive set of recently published literature has been critically reviewed and trends have been identified.

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Section: Preparation Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Recent Advances on the Application of Layered Double Hydroxides in Concrete—A Review

et al. 2020

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“…Resources that have a great excellence are practical in yam concrete and toughened concrete conditions are addition of concrete employing approaches and density of concrete cement (Berto et al, 2015). In this review, ordinary systems, waved webs or extended and thin frameworks can't be measured as single and extended yam (Aram et al, 2008).…”

Section: Reinforced Concrete To Steel Yammentioning

confidence: 99%

Concretes Resistance of Yam a Great Persistence

Gholami¹,

Haeri-Hamedani²,

Ghane³

et al. 2019

American Journal of Engineering and Applied Sciences

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Today all distinguish the position of earthquake withstanding of constructions in seismic-vulnerable zones. With respect to this opinion that current concrete constructions are usually considered and constructed depend on earliest rules lacking examining the result of seismic powers and the novel rules don't guess any shake, so, these structures must be persistence capability. Investigation on standards of HPFRCC substantial as one of the most appropriate limited persistence approaches of concrete constructions member has a distinct ineffectiveness. we can apply dissimilar approaches to maintenance destroyed concrete structures by the seismic or to complete shake persistance of current concrete structures. There are two procedures of applying steel sheets and FRP sheets for concrete memberships reinforcement or renovation. Each of these two approaches is comprehension of these resources with concrete and absence of organization in their way and features. First scholars have exposed that the recent HPFRCC substantial that mostly is a concrete with a high persistance with steel, glass, aramid and carbon yam has a appropriate interactive organization with concrete and can rise concrete persistance frame the opinion of assessment of bending and portional as these two other constituents. In this paper, we attempt to compare concretes which one consist of above yam frame the point of opinion of pressure and tonsorial persistance to make concrete sheets with high persistance entirely, that at last easy's receptacle of steel sheets had improved consequences of pressure and tonsorial persistance to generate these sheets into other models.

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“…The expansions of micro-cracks and pores are a common side effect of the excavation of roadways, hydraulic action (water-rock coupling, dry-wet cycles and hydraulic fracturing), or temperature changes (freeze-thaw cycles). The study of rock damage constitutive models is more complicated [1][2][3][4][5]. With the development of continuum damage mechanics, the concept of effective stress and strain equivalent hypothesis provides a mechanical basis for establishing rock damage constitutive models.…”

Section: Introductionmentioning

confidence: 99%

Statistical Damage Model of Altered Granite under Dry-Wet Cycles

Chen

Qin

et al. 2019

Symmetry

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This paper presents a new statistical damage constitutive model using symmetric normal distribution. The broken rock microbody obeyed symmetric normal distribution and the equivalent strain principle in damage mechanics. The uniaxial compression tests of samples subjected to dry-wet cycles were performed. The damage model was established using the equivalent strain principle and symmetric normal distribution. The damage variable was defined by the elastic modulus under various dry-wet cycles. Parameters of the damage constitutive model were identified using MATLAB software, and the proposed model is verified to be in good agreement with uniaxial compression test results. Fracturing of the rock microbody is well described by symmetric normal distribution, and the proposed statistical damage constitutive model has good adaptability to the uniaxial compression stress-strain curve.

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Constitutive model of concrete damaged by freeze–thaw action for evaluation of structural performance of RC elements

Cited by 68 publications

References 13 publications

Recent Advances on the Application of Layered Double Hydroxides in Concrete—A Review

Recent Advances on the Application of Layered Double Hydroxides in Concrete—A Review

Concretes Resistance of Yam a Great Persistence

Statistical Damage Model of Altered Granite under Dry-Wet Cycles

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