The effect of curing conditions on compressive strength of ultra high strength concrete with high volume mineral admixtures

Yazıcı, Halit

doi:10.1016/j.buildenv.2006.03.013

Cited by 275 publications

(92 citation statements)

References 20 publications

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“…The beneficial effect of GGBFS replacing 40% of OPC in UHPC was reported by Yazıcı (2007), because more capillary pores were filled with low density C-S-H gel generated by GGBFS than only using OPC (Arya and Xu 1995;Glass et al 2000). According the test results above, it can be inferred that the GGBFS has the same effect in replacing SC.…”

Section: (3) Chemical Admixturessupporting

confidence: 51%

“…They found that, the natural grading of fine natural sands does not significantly influence the properties of UHPC compared to using the expensive silica sand, the properties of UHPC with recycled glass cullet is much lower than with other aggregates because the particle shape or particle size distribution reduced the bulk density. By investigating the mechanical properties of UHPC with replacing the cement amount by mineral admixtures of fly ash (FA) and ground granulated blast furnace slag (GGBFS) under different curing conditions, Yazıcı et al (2007Yazıcı et al ( , 2008Yazıcı et al ( , 2009Yazıcı et al ( , 2010 found that mineral admixtures can substitute a part of cement amount to maintain the properties and reduce cost. Park et al (2012) investigated the tensile behavior of UHPC with hybrid fibers and found that the shape of tensile stress-strain curves of UHPC is mainly dependent on the type of macro-fiber; the micro-fibers improved multiple cracking and strain hardening behaviors.…”

Section: Introductionmentioning

confidence: 99%

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Properties of Ultra High Performance Concrete Containing Superfine Cement and without Silica Fume

Xiao

Deng

Shen³

2014

ACT

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To avoid the disadvantages caused by using silica fume, by using superfine cement (SC) to substitute silica fume, a new kind of ultra high performance concrete (SC-UHPC) was prepared and introduced. The influence of component types and dosages on the mechanical properties of SC-UHPC was investigated. The results show that 40% ground granulated blast furnace slag (GGBFS) or 10% fly ash (FA) & 30% GGBFS replacing SC are the most appropriate proportions to get high strength with satisfied workability and low cost. A suitable amount of defoaming agent (DA) in superplasticizer (SP) effectively reduced the void ratio in the UHPC. To optimize the strength and fluidity, the rational natural sand distribution with lowest clay particles amount can be used. The small sized steel fibers added into the mixture effectively improved the flexural behavior of SC-UHPC. Multiple nonlinear analysis show that, with sufficient calcium silicate hydrate (C-S-H gel) and enough mixture fluidity, the compressive strength of UHPC is closely related to the water to binder ratio and void ratio, and increases linearly with the incremental fiber amount. Microstructure analysis proved that the microstructure of SC-UHPC has ultra high density and homogeneity.

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Section: (3) Chemical Admixturessupporting

confidence: 51%

Section: Introductionmentioning

confidence: 99%

Properties of Ultra High Performance Concrete Containing Superfine Cement and without Silica Fume

Xiao

Deng

Shen³

2014

ACT

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“…It seems that under autoclaving condition, other hydration phases and micro structures are formed, which may improve the overall material performance. While other accelerated conditions increase reactivity of ingredients, autoclaving leads to development of different phases (Yazıcı 2007). There was no considerable change in compressive strength of UHPC specimens cured at normal water (WC) in comparison with that of the ones under aircured condition at all ages.…”

Section: Compressive Strengthmentioning

confidence: 92%

Effect of Different Curing Regimes on Strength and Transport Properties of UHPC Containing Recycled Steel Tire Wires as Micro Steel Fibers

Kasaei

Esmaeili

2016

First International Interactive Symposium on UHPC

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Abstract:This paper presents the results of an ongoing research on the effect of different curing regimes on properties of Ultra high performance concrete (UHPC) containing recycled steel tire wires as micro steel fibers. Outstanding properties of UHPC as next generation of concrete make it a promising material for different structural applications. The effects of different curing conditions on the mechanical properties of UHPC have been investigated by many researchers. However, limited research works are available that investigates the effects of different curing regimes on transport properties of UHPC.At this paper, different regimes of water curing (WC), air curing (AC), accelerated water curing (AWC) and autoclave curing (AUC) are applied on UHPC specimens containing 2 percents of recycled steel fibers (by total volume). The compressive strength and flexural strength are measured as mechanical properties. Water absorption, sorptivity (rate of water absorption) and pulse velocity tests were investigated on UHPC specimens in various curing regimes as transport properties and durability indexes. Results show that recycled fibers can be successfully used in UHPC mixes to produce an affordable and eco-friendly material. It has been found that both of strength and transport properties of UHPC can be significantly affected by applying the accelerated curing methods. Lack of attention on choosing an appropriate curing condition can lead to a significant increase in water absorption and sorptivity of UHPC.

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“…Ground granulated blast-furnace slag (GGBS), either as a constituent of cement or as a mineral admixture, is widely used to make not only traditional concrete but also high-performance concrete, which has several advantages including workability, long-term strength, and durability [2]. Recently, to reduce CO 2 production in the cement and concrete industry, many studies have been conducted on environmentally friendly concrete with high-volume supplementary cementitious materials [3][4][5][6][7][8][9]. It was reported [10][11][12] that concrete using GGBS has the advantage of an earlier strength development under high-temperature curing conditions owing to the temperature-dependent characteristic of GGBS.…”

Section: Introductionmentioning

confidence: 99%

Effect of High-Temperature Curing Methods on the Compressive Strength Development of Concrete Containing High Volumes of Ground Granulated Blast-Furnace Slag

Jung

Choi

2017

Advances in Materials Science and Engineering

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This paper investigates the effect of the high-temperature curing methods on the compressive strength of concrete containing high volumes of ground granulated blast-furnace slag (GGBS). GGBS was used to replace Portland cement at a replacement ratio of 60% by binder mass. The high-temperature curing parameters used in this study were the delay period, temperature rise, peak temperature (PT), peak period, and temperature down. Test results demonstrate that the compressive strength of the samples with PTs of 65 ∘ C and 75 ∘ C was about 88% higher than that of the samples with a PT of 55 ∘ C after 1 day. According to this investigation, there might be optimum high-temperature curing conditions for preparing a concrete containing high volumes of GGBS, and incorporating GGBS into precast concrete mixes can be a very effective tool in increasing the applicability of this by-product.

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The effect of curing conditions on compressive strength of ultra high strength concrete with high volume mineral admixtures

Cited by 275 publications

References 20 publications

Properties of Ultra High Performance Concrete Containing Superfine Cement and without Silica Fume

Properties of Ultra High Performance Concrete Containing Superfine Cement and without Silica Fume

Effect of Different Curing Regimes on Strength and Transport Properties of UHPC Containing Recycled Steel Tire Wires as Micro Steel Fibers

Effect of High-Temperature Curing Methods on the Compressive Strength Development of Concrete Containing High Volumes of Ground Granulated Blast-Furnace Slag

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