Determining equivalent performance for frost durability of concrete containing different amounts of ground granulated blast furnace slag

Wawrzeńczyk, Jerzy; Juszczak, T.; Molendowska, Agnieszka

doi:10.1515/bpasts-2016-0082

Cited by 5 publications

(5 citation statements)

References 8 publications

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“…Particular problems of the building performance: sustainability [6], fire threat [7,8] and frost durability [9]. R. Geryło [6] presents conditioning for sustainable building relevant to energy consuming.…”

Section: Risk Of Performance Evaluation -The Influence Of Thementioning

confidence: 99%

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Civil Engineering – Ongoing Technical Research. Part I

Czarnecki

Gemert

2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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versy: the requirement of durability (over 50 years) versus the risk of progress. We need to ensure that construction elements meet the requirements not only at the time of testing, but also that they will be good enough after tens of years of service life. The nature of an applied science involves the problem of equilibrium between simplicity and accuracy. The "breaking even" in the meaning of probably approximately correct model and value. The risk of estimation error, even a small one, could cause in consequence a catastrophic result.All these problems are discussed in the invited paper opening the section, entitled: "Scientific basis and rules of thumb in civil engineering: Conflict or harmony?", examining the meaning and justification of "the rules of thumb" [3] in the construction field, in which science and engineering are so intermingled. Shortly speaking, how much "it is better to be roughly right than precisely wrong" (J. M. Keyness). All the other papers in the Section illustrate those problems in various but very obvious ways. The topics of the papers could be assigned under the headlines that follow. The seminar accompanying the anniversary of ITB, entitled "The Strategy of Construction Research Institutes", presented a compendium of knowledge and strategy of building institutes that co-shape the European construction space. The regulations of ITB stated that the Building Research Institute was established to conduct comprehensive research in order to improve and increase production of construction and road materials, as well as to improve construction technology using all scientific advances. Of course, to create trends in the discipline development is not the task or mission of ITB only. Risk of performance evaluationIn this context, the word "ongoing" in the Section title has been treated both literally and figuratively. All current waiting papers from the editorial civil engineering portfolio have been included into the Special Section. The papers which are presently in the editorial process will be published in the Special Section Part II. In such case we have not only obtained a cross-section of the present publishing activity, but also the characteristic picture of the civil engineering in a flash. Although very randomly created, this picture is a surprisingly comprehensive one.Civil engineering as a discipline of applied science is always seeking for its place on the map of knowledge. Each of the papers included in this Special Section consists of two components: science and engineering balanced in various ways. One of the dilemmas of the civil engineering is the following contro- (W. Węgrzyński, P. Sulik) [8] illustrate a dynamically developing sub-discipline -fire safety engineering. How fire safety requirements shape the development of civil engineering has been considered and documented. The frost resistance is one of the basic attributes of concrete durability. This problem is discussed by J. Wawrzeńczyk et al. [9], focusing on the concrete with granulated blast furnace slag. The subjec...

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Section: Risk Of Performance Evaluation -The Influence Of Thementioning

confidence: 99%

“…The frost resistance is one of the basic attributes of concrete durability. This problem is discussed by J. Wawrzeńczyk et al [9], focusing on the concrete with granulated blast furnace slag. The subject of the study is more sustainable -eco-friendly concrete.…”

Section: Risk Of Performance Evaluation -The Influence Of Thementioning

confidence: 99%

Civil Engineering – Ongoing Technical Research. Part I

Czarnecki

Gemert

2016

Bulletin of the Polish Academy of Sciences Technical Sciences

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“…Different results are also presented in the publications. According to [20,21], the increase of powder content caused an increase in permeability, and thus a decrease in frost resistance of concrete.…”

Section: Introductionmentioning

confidence: 99%

The Durability of Concrete Modified by Waste Limestone Powder in the Chemically Aggressive Environment

et al. 2019

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The idea of sustainable development assumes that natural resources must be treated as limited goods and that waste must be managed rationally. This idea and the constant striving to reduce production costs make the use of waste materials as substitutes for traditionally used raw materials from non-renewable sources increasingly popular. In cement concrete technology, there are many possibilities to use waste as components of mortars and concretes. The subject of this paper is a fine-grained material, obtained as a by-product during the preparation of aggregate for mineral-asphalt mixtures. The aim of the research was to test the suitability of the selected type of powder, namely limestone powder, as a component of cement composites. The paper presents an evaluation of the potential of using the limestone powder as a substitute for the fine aggregate, focusing on the impact of such a modification on aspects of durability. The sulfate degradation and chloride ion diffusion in concrete were investigated. The overall desirability function has been determined. It was demonstrated that the satisfactory value of the general desirability can be attributed to most of the investigated concretes. Positive test results support the potential of replacing part of natural fine aggregate with the tested waste limestone dust without a negative impact on the durability of concrete.

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“…However, controversy still exists for the use of GGBFS in concrete subjected to F-T cycles. For example, cold weather conditions limit the percentage of GGBFS that can be used in concrete due to potential retardation in setting and slow strength development depending on the alkali content in the concrete system [17,18].…”

Section: Introductionmentioning

confidence: 99%

Frost Resistance Number to Assess Freeze and Thaw Resistance of Non-Autoclaved Aerated Concretes Containing Ground Granulated Blast-Furnace Slag and Micro-Silica

et al. 2019

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Aerated concrete (AC), such as cellular concrete, autoclaved aerated concrete (AAC), and non-autoclaved aerated concrete (NAAC), having excellent insulation properties, is commonly used in buildings located in cold regions, such as Nur-Sultan in Kazakhstan, the second coldest capital city in the world, because it can contribute to a large energy saving. However, when the AC is directly exposed to the repeated freeze and thaw (F-T) cycles, its F-T resistance can be critical because of lower density and scaling resistance of the AC. Moreover, the evaluation of the F-T resistance of the AC based on the durability factor (DF) calculated by using the relative dynamic modulus of elasticity may overestimate the frost resistance of the AC due to the millions of evenly distributed air voids in spite of its weak scaling resistance. In the present study, the F-T resistance of NAAC mixtures with various binary or ternary combinations of ground granulated blast-furnace slag (GGBFS) and micro-silica was assessed mainly using the ASTM C 1262/C1262M-16 Standard Test Method for Evaluating the Freeze-Thaw Durability of Dry-Cast Segmental Retaining Wall Units and Related Concrete Units. Critical parameters to affect the F-T resistance performance of the NAAC mixture such as compressive strength, density, water absorption, air-void ratio (VR), moisture uptake, durability factor (DF), weight loss (W loss ), the degree of saturation (S d ), and residual strength (S res ) were determined. Based on the determined parameter values, frost resistance number (FRN) has been developed to evaluate the F-T resistance of the NAAC mixture. Test results showed that all NAAC mixtures had good F-T resistance when they were evaluated with DF. Binary NAAC mixtures generally showed higher S d and W loss and lower DF and S res than those of ternary NAAC mixtures. It was determined that the S d was a key factor for the F-T resistance of NAAC mixtures. Finally, the developed FRN could be an appropriate tool to evaluate the F-T resistance of the NAAC mixture.

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Determining equivalent performance for frost durability of concrete containing different amounts of ground granulated blast furnace slag

Cited by 5 publications

References 8 publications

Civil Engineering – Ongoing Technical Research. Part I

Civil Engineering – Ongoing Technical Research. Part I

The Durability of Concrete Modified by Waste Limestone Powder in the Chemically Aggressive Environment

Frost Resistance Number to Assess Freeze and Thaw Resistance of Non-Autoclaved Aerated Concretes Containing Ground Granulated Blast-Furnace Slag and Micro-Silica

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