(PDF) Effect of limestone powder on strength and …
Test results revealed that replacing 10% of the cement with limestone powder improves both mechanical performance and durability. However, reducing the cement content reduced the availability of...
Long-term properties of concrete containing limestone …
Plain cement concrete (employed as reference) and three concretes containing limestone powder (replacement ratios of 10, 20, and 30%) were designed. The compressive strengths of the four …
Development of Water-Cured Alkali-Activated Concrete with …
AbstractSignificant amounts of finely ground waste powder are produced during the heating process of silica-rich limestone aggregates in asphalt concrete plants. This resulting by-product poses challenges and opportunities in the scope of environmental ...
Influence of bamboo fiber and limestone powder on …
Abstract: This paper examines the effect of combined bamboo fibers and limestone powder used as filler material on the fresh, hardened and microstructural properties of self-compacting concrete (SCC). The bamboo fibers of aspect ratio (l/d) of 50 and ... split tensile strength test after 7, 14 and 28 curing age. All concrete mixes were
Effect of limestone powder on mechanical properties of …
Materials and test methods2.1. Materials. The cement in this experiment is Ordinary Portland Cement with a grade of 42.5 (P.O42.5). ... The effect of limestone powder on the compressive strength of concrete is shown in Fig. 3. The compressive strength of concrete without limestone powder at 7d and 28d is 31.9 MPa and 39.8 MPa respectively.
Utilization of limestone powder as an activator for early-age strength
With limestone powder addition, a considerable increase in the early-age strength was observed. Compared with sample groups FS15, FS35 and FS55, the 3 d and 7 d strength of sample groups FS15-LP10, FS35-LP10 and FS55-LP10 were increased by 40.3%, 44.0%, 38.4% and 32.1%, 29.8%, 27.1%, respectively, owing to the nucleation effect of limestone powder.
Experimental Study on the Effect of Limestone Powder …
2.1. Raw Materials. Reef limestone (Figure 1) and coral sand (Figure 2) collected directly from the reef were selected for the coarse aggregate and fine aggregate, respectively, of the SCAC.The basic physical properties of reef limestone and coral sand shown in Table 1 were tested in accordance with the Chinese standard GB/T 14685-2022 []. Figure 2 b shows the …
Influence of limestone waste as partial replacement material …
Marble powder obtained as a by-product of marble sawing and shaping [Citation 1].Waste marble powder "WMP" is an inert material which is obtained as an industrial by product during sawing, shaping, and polishing of marble and causes a serious environmental problem [Citation 2].M.S. Hameed et al. [Citation 3] studied that the green concrete capable for …
Investigation on Hydration and Mechanical Properties of …
2.1. Materials. The cement-based materials in the mortar were ordinary Portland cement (OPC), fly ash (FA), and limestone powder (LP). The strength grade of OPC is 42.5 MPa, the fly ash conformed to the stair FA property of the Chinese National Standard DL/T5055-2007, and the limestone powder was from carboniferous limestone, which was ground for 50 min by …
Effect of particle size distribution and content of limestone …
We formulated stress-strain relationship of mortars tested. This study examined the effect of particle size distribution and content of limestone powder on the compressive …
Effects of Incorporation of Marble Powder …
The control pastes, denoted CP, MP, and LP, were made from 400 kg of cement, 400 kg of marble powder, and 400 kg of limestone powder, respectively. The other pastes, denoted CMP and CLP, were prepared from 400 kg of cement …
Quantifying compressive strength in limestone powder …
The purpose of this study was to create predictive machine learning models to evaluate the compressive strength of concrete that contains limestone powder. To this aim, …
A Study on High Strength Concrete with Moderate Cement …
In order to improve the mechanical properties of cement-based materials, limestone powder (LP) was used as a filler as 0% to 20% cement paste replacement by volume in the mortar. ... strength. The ...
Study on the flowability and strength of cement-based materials …
In order to improve the mechanical properties of cement-based materials, limestone powder (LP) was used as a filler as 0% to 20% cement paste replacement by volume in the mortar.
Effect of ultra-fine limestone powder on leaching resistance …
Therefore, this study designed an accelerated leaching test for finely ground limestone powder mortar and, explored the variation law of the leaching performance of cement mortar under two environments: long-term immersion and wet/dry cycles. ... This can be attributed to the fact that the shear strength damage of cement-based materials is more ...
Improving the Mechanical Properties of Sulfoaluminate …
Improving the Mechanical Properties of Sulfoaluminate Cement-Based Grouting Material by Incorporating Limestone Powder for a Double Fluid System. Yanfeng Wang, 1 ... mixture proportions was tested at the ages of 6 h, 1 day, 3 days, 7 days and 28 days, respectively. For the compressive strength test, a multi‑function mechanical testing ...
Study on the deterioration characteristics of limestone powder …
In this paper, the above limestone powder cementitious materials were used to prepare cement mortar specimens according to the international standard GB/T 17671–1999 (Cementitious Sand Strength Test Method). The water-cement ratio of the mortar specimens is 0.60, the cement-sand ratio is 1:2, and the size is 160 mm×40 mm×40 mm.
Development of engineered cementitious composites with limestone powder
Since the limestone powder behaves as inert filler materials, the addition of limestone powder results in a lower tensile strength of the matrix. Besides, due to the low hardness of limestone powder, the large limestone powder particle is easy to break, and the crack crosses the big limestone powder particles (Fig. 12 ).
Study on the strength influence mechanism and cracking
Stone powder: Stone powder produced by Jiaozuo Qianye New Material Co., Ltd. The stone powder is grayish white and powdery, and the main chemical composition of the stone powder is shown in Table ...
Embankment construction with limestone powder waste: …
The test results have shown a general trend of increased strength and reduced deformability when limestone powder was added to both the natural soil and to the natural soil with lime. Furthermore, limestone powder waste has proven to have the geotechnical properties required to be used as a stand-alone material for earthworks.
Evaluation of the Efficiency of Limestone Powder …
By using the results from testing the compressive strength at 28 days and 90 days, the modified equation can be used to calculate the efficiency of the limestone powder in each batch design. ... show the larger particle distribution …
The Synergistic Effect of Limestone Powder and Rice Husk …
Fully utilizing solid waste as supplementary cementitious materials (SCMs) while ensuring the mechanical properties of cement-based materials is one of the pathways for carbon reduction in the cement industry. Understanding the effects of the two solid wastes-limestone powder (LP) and rice husk ash (RHA) on the mechanical properties of cement-based materials …
Study on the mechanical properties and failure mechanism …
Test materials. The limestone used in this study comes from the limestone mine in Jianshe Town, Fuxin County. The limestone is ground by a ball mill to a particle size of ≤ 0.075 …
Utilization of Limestone Quarries Powder In Production …
AIN SHAMS UNIVERSITY FACULTY OF ENGINEERING Researcher Name : Ahmed Mohammed Hesham Ibrahim Azzam Thesis Title : Utilization of Limestone Quarries Powder In Production of Self-Compacting Concrete Thesis : Master of Science in Civil Engineering (Structural) Supervision Committee: Signature
Study on Strength Properties of Concrete Using Lime …
In this paper M30 grade concrete is used to determine various mechanical properties of concrete. The focus is on consists of substituting cement partially by lime stone powder and sand …
Effect of limestone powder on mechanical properties of concrete based on Griffith's microcracking theory
Test results revealed that replacing 10% of the cement with limestone powder improves both mechanical performance and durability. However, reducing the cement content reduced the …
Harnessing Limestone powder to enhance the thermal crack …
Manufactured sand concrete (MSC) has increasingly applied in engineering. However, how to enhance the thermal crack resistance of MSC has not clearly studied yet, which limits the wide applications of manufactured sand in engineering. We have adopted the method of mixing limestone powder (LP) to make MSC with four mass fractions (wt.%) of 5%, 10%, 15%, …
Effect of limestone powder on strength and permeability of …
Test results revealed that replacing 10% of the cement with limestone powder improves both mechanical performance and durability. However, reducing the cement content reduced the …
Influence of recycled concrete, marble, glass, and limestone powder
ASTM C109 (2013) Standard test method for compressive strength of hydraulic cement mortars (using 2-in. or [50-mm] cube specimens). ASTM International ... Wang D, Shi C, Farzadnia N, Shi Z, Jia H, Ou Z (2018b) A review on use of limestone powder in cement-based materials: mechanism, hydration and microstructures. Constr Build Mater 181:659–672
IOP Conference Series: Materials Science and …
limestone powder decreases the UHPC compressive strength. The decrease is directly proportional to the added amount of the limestone powder. At this high strength level, its chemical bonding (if any) is inferior to the main matrices with silica fume. Therefore, it may be considered that the limestone powder functions like a filling material. 0 ...