1. Introduction. Fibre-reinforced polymer (FRP) bars can replace steel bars used in marine engineering because of their excellent corrosion resistance to chloride attack [1, 2].Thus, researchers use FRP bars as internal reinforcements in seawater and sea-sand concrete (SWSC) to eliminate over-reliance on freshwater and river sand, lower …
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DOI: 10.1061/(asce)cc.1943-5614.0001184 Corpus ID: 245302516; Effects of Immersion in Water, Alkaline Solution, and Seawater on the Shear Performance of Basalt FRP Bars in Seawater–Sea Sand Concrete
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Without additives and with the addition of basalt powder, which is a partial sand replacement, the quantity of cement hydration products in the mortar was evaluated based on thermal testing. ... This makes possible to an effective stress transfer through the interface of basalt-cement paste and the exploit of relatively high basalt particles ...
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This study aims to investigate the macroscopic mechanical properties and mesoscopic damage mechanisms of basalt fibre-reinforced seawater sea-sand slag-based geopolymer concrete (SS-SGC). At the macroscopic level, the influences of different volumes and lengths of basalt fibre (BF) on the workability, compressive strength, and …
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Application of basalt in cement composites. Basalt in cementitious composites can be utilized in various forms. In its natural state, depending on its grain size, it can play a role of a pozzolanic active component or coarse aggregate.
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In addition, basalt fiber significantly affects the workability of self-compacting concrete. Mazloom et al. [54] and Ponikiewski et al. [55] investigated the effect of basalt fiber on the workability of self-compacting concrete via a V-funnel test and a T 500 flow-time test. They discovered that both the V-funnel time and T 500 flow time increased …
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This article summarizes the properties of basalt fibre reinforced concrete (BFRC) in terms of its fresh and mechanical …
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2.1 Materials. Ordinary cement, sand, coarse aggregate, water, and basalt fiber were used in this investigation to prepare PC and BFRC. The cement used is …
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The optimal compressive strength for concrete made from desert sand was achieved in the mixed concrete incorporating 1% steel fibers, measuring at 50.6 MPa. Meanwhile, the highest flexural and tensile strengths were observed in a concrete mixture of 0.3% basalt fiber and 1% steel fiber, measuring 7.35 MPa and 4.6 MPa.
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Despite the fact that basalt rock powder and superfine sand weakened the cement mortar's mechanical properties, it was found that they can be added into the cement mortar as partial replacement ...
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Using glass waste instead of some cement helps create a denser structure in basalt fiber UHPC. However, using more than 0.75 % basalt fiber can reduce concrete strength. 13. The microstructure of basalt fiber UHPC can be enhanced through the incorporation of waste glass powder as a cement replacement, evident by the Ca/Si …
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Central Cement Ltd, CemHouse, Triq Nazzjonali Blata L-Bajda, HMR 9011, Malta +356 2123 2282 / +356 2123 2920 HOME; CEMENT; MORE PRODUCTS; PORTFOLIO; GALLERY; ABOUT US; CONTACT US; HOME; ... basalt, silica sand and dolomite, ideal for building solutions. LEARN MORE . CEMENT
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Sand, waste bauxite and iron oxide are also sometimes used in small amounts to adjust the composition of the mix. This work aims to investigate the capability to substitute clay by basalt in cement industry. This substitution will facilitate establishing new cement factories near the basalt localities where the clay is not available. 2 ...
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In recent years, environmental pollution and resource shortages have increased demand for high-performance green concrete. This study investigated the use of manufactured basalt sand as fine aggregate and mineral admixtures as a partial replacement for cement with a focus on the basic mechanical properties of concrete as …
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This paper discusses an experimental work on concrete made from river and crushed sands such as quartzite, granite, gneiss, marble, dolomite, basalt and limestone with an emphasis on physical, mechanical, and microstructural properties of fresh and hardened concrete.This paper is completed by the formulation of three types of …
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First, the vegetated concrete and basalt fibers were mixed. Then samples were directly prepared by the cutting ring. The water content of the samples was 20% and the dry density was 1.45 g/cm 3.
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Cement—the powdery binder that holds the sand or crushed stone in concrete together—is one of the most energy-intensive products on the planet. ... Start with basalt instead of limestone or ...
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Compared with traditional plain shotcrete and steel fiber shotcrete, shotcrete incorporated with basalt fiber can dramatically improve the bending resistance, …
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When basalt is used as fine aggregate in sand size, a decrease takes place in the number of capillary cavities in the concrete. In other words, water absorption …
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To determine the compressive strength (CS) and tensile strength (TS) of basalt fiber reinforced concrete (BFRC), this study will develop empirical models using gene expression programming (GEP ...
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The test results show that with the increase of the basalt fiber content, the damage degree of the basalt fiber cement solidified aeolian sand under the action of freeze-thaw cycle first decreases ...
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These water absorption results are consistent with those found by Meyyapan et al. [44] in which the pore volume of concrete containing manufactured sand and 0.75% basalt fiber was reduced by up to ...
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The thermal expansion coefficient of basalt concrete is much lower than that of gneiss concrete. In this study, basalt aggregate concrete presented a ... Sand Basalt 0/5 3.54 1.52 2.8 80 2.82 ...
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1. Introduction. With growing engineering quality demands and fiber production standards, fibers have become a prevalent additive in civil engineering materials [1], [2], [3].Fiber-reinforced concrete is a composite material that involves the combination of organic or inorganic fibers with sand, gravel, cement, and other materials to form the …
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Six different sand types (silica sand, river sand, sandstone, Rilem sand, waste concrete aggregate, and basalt sand) were used in the geopolymer mortar. The ultrasonic pulse velocity (UPV) and ...
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C-Crete's basalt-based concrete boasts compressive strength exceeding 5000 psi. It demonstrates pumpability, workability, setting time and surface finish akin to …
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Hassaan (2001) used basaltic rocks instead of shales in cement industry and recorded that basalt is a typical raw material for cement industry with little addition of sand to adjust the silica ...
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The mortar specimens used in this study were prepared in a mold with a diameter of 50 mm and a height of 25 mm. The mass ratio of water, cement, and fine sand was 0.54:1:1.96, and the apparent density of coral sand cement mortar was 2000 kg/m 3. The actual mass used was 1.2 times that of the calculated value considering the mass …
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In this study, the raw materials included cement, fly ash, water reducing agent, sand, steel fiber, and basalt fiber. The P•II 52.5R Portland cement with a specific surface area of 365.3 m 2 /kg was produced by Conch Co. Ltd., Anhui, China. The Class-F fly ash with a low calcium content was produced in Jiaxing, Zhejiang, China.
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The strength of the concrete series based on basalt aggregate, BC1, allowed it to be classified as ultra-high-performance concrete. Concrete based on sand, SC1, was characterized by the …
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Regarding the damage associated to "Resources", it is caused: for 49.6% by the consumption of crude oil, due, in turn, to the production of cement 39.7%; and basalt sand 10.5%, both in the amounts required for producing 1 m 3 of concrete, as well as to the involved transportation accounting for 34.5%; for 19.6% caused by the consumption …
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This study investigated the use of manufactured basalt sand as fine aggregate and mineral admixtures as a partial replacement for cement with a focus on …
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to basalt concrete, the residual compressive strength of gneiss concrete increased when temperatures increased from 150 to 300 °C. This study showed the ... (15/25), sand basalt, gravel basalt (5/15) and gravel basalt (15/25), respectively. The absolute density of sand gneiss and sand basalt were 2.87 g/ cm 3 and 2.82 g/cm, respectively, while ...
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Download scientific diagram | Mixtures for producing fiber-cement boards from publication: Feasibility Study of Using Basalt Fibers as the Reinforcement Phase in Fiber-Cement Products | The aim of ...
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Basalt powder was used as an SCM in well cement formulations, being initially characterized by means of SEM and specific surface area analyses to evaluate the morphological, rheological, and physical effects in the cement–BP formulations. The basalt powder SEM image is shown in Fig. 1, while the specific surface area results are shown …
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Binici and Aksogan (2018) and Binici et al. (2020) found that BP and basalt sand make positive contributions to concrete performance when it is substituted for 5% …
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