Study on failure characteristics of basalt fiber reactive powder
The uniaxial compression experiments of basalt fiber reactive powder concrete (BFRPC) were carried out by acoustic emission (AE) and DIC techniques, focusing on the AE characteristics in the process of BFRPC failure. ... The particle size (0.15 ∼ 1.20 mm) combination is according to the fixed mix ratio of quartz sand in reactive powder ...
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The Effect of Basalt Powder on the Properties of Cement Composites
While; the optimum level of pozzolanic basalt replacement cement in concrete was 15% (Dobiszewska and Beycio glu, 2017). The increase of pozzolanic basalt powder content leads to an increase in ...
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A comprehensive assessment of mechanical and …
Waste basalt powder (BT) and Portland cement (PC) were used as binder materials in the mixtures. ... Mix design optimization of concrete containing fly ash and slag for global warming potential and cost reduction. Case Stud. Constr. Mater., 18 (2023), 10.1016/j.cscm.2023.e01832.
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Physical Properties and Microstructure of Concrete with …
The comparison between the properties and microstructure of reference concrete without basalt powder and concretes containing different amounts of waste basalt powder …
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Structural Lightweight Concrete Containing Basalt …
In spite of the demonstrated efficacy of basalt stone powder as a cost-effective and readily available additive in enhancing the mechanical properties and durability of ordinary-weight concrete, its application in …
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Modifying recycled aggregate concrete by aggregate …
Recycled aggregate (RA) was surface treated by sulphoaluminate cement (SAC). • Quality of RA and performance of recycled aggregate concrete (RAC) were improved.. Addition of basalt powder (BP) to the SAC slurry improved the modifying efficiency.. The ITZ 1 and ITZ 3 in the modified RAC presented a sandwich-like structure.. The enhanced ITZ 1 and ITZ 3 …
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Effect of Basalt Powder on Hydration, Rheology, and …
Basalt materials (e.g., basalt powder, aggregate, and fiber) are commonly used in cement-based materials. To understand the mechanism of the influence of basalt on the properties of cement-based ...
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Effect of basalt powder addition on properties of …
Dobiszewska et al. [34, 35] used a waste basalt powder instead of a fine aggregate to improve the performance of concrete and reported that the interfacial transition zone in concrete with the ...
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Modifying recycled aggregate concrete by aggregate …
The mix compositions of the 4 groups of concrete were the same. The dosages of water and OPC were 172 and 350 kg/m 3, respectively, ... Effect of basalt powder on the properties of cement mortars and roller compacted concrete. Nat. Science J. Xiangtan Univ., 39 (1) (2017), pp. 34-39.
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Assessment of the optimal level of basalt pozzolana blended …
The flexural strength after 28 days drops by 9.3%, 16%, and 10.7% in case of 7.5%, 15%, and 22.5% basalt powder addition as replacement ordinary Portland cement in …
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Physical Properties and Microstructure of …
When mixing water is kept constant in concrete mixtures, the workability of concrete mixes decreased with the increase in substitution ratios of basalt powder. When the basalt powder replacement rate was increased to …
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The effect of using glass powder as cement substitution and its mixing
The GP, cement, sand, and basalt were mixed for two minutes to get a homogenous mixture, and then water was gradually added over 2 min. ... Effect of new mixing method of glass powder as cement replacement on mechanical behavior of concrete. Construct Build Mater 203:75–82. Article Google Scholar Topçu I, Canbaz M (2004) Properties of ...
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Durability properties of concretes made with sand and cement size basalt
In the concrete mix prepared for the first group of samples basalt powder (BP) replaced 5, 10, 15 and 20% of the cement. For the second group, the mix was prepared by replacing 10, 20, 30 and 40% of fine aggregate by basalt sand (BS). The particle size distribution of cement and basalt powder are given in Fig. 1. In the third group, the mix was ...
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Structural Lightweight Concrete Containing Basalt Stone Powder …
In spite of the demonstrated efficacy of basalt stone powder as a cost-effective and readily available additive in enhancing the mechanical properties and durability of ordinary-weight concrete, its application in Structural Lightweight Concrete (SLWC) remains unexplored. This study introduced a mixing design for SLWC incorporating Light Expanded Clay …
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Reactive Powder Concrete Containing Basalt Fibers: Strength …
The paper presents the test results of basalt fiber impact on a compressive and flexural strength, resistance to abrasion and porosity of Reactive Powder Concrete (RPC). The reasons for testing were interesting mechanical properties of basalt fibers, the significant tensile strength and flexural str …
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Basalt powder as a supplementary cementitious material in …
The mixing water was calculated based only on the dry cement fraction (water-cement ratio of 0.44) and the BP content was not compensated. Thus, prepared well cement …
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Basalt rock as an alternative raw material in Portland cement
The possibility of using basalt rock, which has relatively limited uses, instead of clay in cement industry is investigated. Two clinker mixtures were prepared according to the composition: (87 wt.% limestone+12 wt.% clay or basalt rock). To compensate the lack of iron in clay clinker mixture and the lack of silicate in basalt clinker mixture, 1 wt.% Fe 2 O 3 was …
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Mode-I dynamic fracture evolution and energy dissipation of basalt …
Dynamic fracture experiments on basalt fiber reinforced reactive powder concrete (BFRRPC) were conducted using notched semi-circular bending (NSCB) specimens, aiming to investigate the Mode-I dynamic fracture characteristics. ... The mixing proportions of BFRRPC is shown in Table 1. After casting and curing, cubic specimens are cored, cut, and ...
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Elevated temperature performance of cementitious mortars …
Dobiszewska et al. [24] used basalt powder as a cement substitute up to 20% in mortars. It has been reported that using basalt powder reduces the heat of hydration, slows the rate of hydration, and reduces compressive strength. ... if any, and water were mixed in the slow mode for 30 s using a laboratory-type cement mixer. Fine aggregate was ...
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Chemical aspects of the application of basalt in cement …
The addition of basalt powder into cement pastes does not increase the water demand to obtain a normal ... Obviously, this classification is relevant when the concrete mix …
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Basalt Powder Waste Application as Affordable Concrete …
The use of concrete from design to batching, mixing, transporting, placing, consolidating, finishing, and curing is addressed. ... the presence of basalt powder in concrete mixes is beneficial for ...
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Microwave absorption and electromagnetic properties of …
The mix proportions of UHSCM mixtures are shown in Table 2.Based on previous studies [8], [15], the dosages of silica fume and basalt powder were fixed at 20% of the total binders by mass for UHSCM-B and UHSCM-S, respectively.Also, one mix with pure cement as the binder material (UHSCM-C) was adopted as the comparison.
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The setting time of cement paste with basalt powder.
Dobiszewska and Beycioğlu (2017) used four types of common cement which were CEM I, CEM II/A-S, CEM II/A-V and CEM II/B-V for investigating the influence of waste basalt powder on selected ...
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Utilization of rock dust as cement replacement in cement …
The cement paste with basalt powder addition had a higher CH content than calcium hydroxide content in cement paste without additions, according to X-ray examination. …
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CN102503191A
The invention discloses activated basalt powder used as a cement admixture. The activated basalt powder is characterized in that the activated basalt powder is mainly composed of basalt powder with weight of screen residue with fineness being 80 mu m not more than 0.5 and specific surface area of 380-600 m<2>/kg, and a grinding aid accounting for 0.15 …
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Atlantic Gray Release Powder for Concrete
CSI Release Powder is designed for use with im tools on all concrete surfaces when applying stone, tile, or wood textures. This product allows for the clean release of concrete stamps and texturing tools, while at the same time creating an accent color (also referred to as an antiquing effect). Base slab coloring options may include CSI Color Hardener concrete, Helix …
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Basalt grid reinforcement of cement-bonded particleboards
The amount of water added to the mixture was calculated using the equation of Simatupang and Okino et al. [33], [34] as shown in Eq. (2). (2) RW = 0.35 C + (0.30 − M) W Where RW is the required water added (L); C is the amount of Portland cement (kg); M is the moisture content of the wood particles (wt%); W is the oven-dry weight of the wood particles …
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Assessment of blended cement containing waste basalt powder
the cements paste, (wt. %) Mix No OPC Basalt Powder. BP0 100 0. BP5 95 5. BP10 90 10. BP20 80 20. ... In order to increase the performance of concrete, basalt powder was used instead of ne aggr ...
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Reactive Powder Concrete Containing Basalt Fibers: …
A low water-to-binder ratio, i.e., from 0.24, was obtained through application of a polycarboxylate-based superplasticizer. The introduction of up to 10 kg/m 3 of basalt fibers to RPC mix was proved to be possible, while keeping the same w/c ratio equal to 0.24, with a slight loss of workability of the concrete mix as the content of fibers ...
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Performance, Mechanical Properties and Durability of a
In this paper, basalt fiber was adopted to modified RPC, and plain reactive powder concrete (PRPC), basalt fiber reactive powder concrete (BFRPC) and steel fiber reactive powder concrete (SFRPC ...
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