Study on Experimental and Mechanism of Basalt Fiber …

powder water reducer. The basalt fiber is made of shortcut basalt fiber, and its physical properties are shown in Table 1. And five kinds of concrete with different volume of basalt fiber are designed, which are respectively 0%, 0.05%, 0.1%, 0.2% and 0.3%. (the mix ratio and fiber content are shown in Table

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Cenozoic basalts in North China—Their distribution, …

Based on their distribution, geological ages and petrographic series the magmatic evolution of Cenozoic basaltic rocks in North China can be divided into three stages. Geochemical data …

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Seasonal concentration distribution of PM1.0 and PM2.5 …

Variation in the relative humidity and mass concentrations of PM 1.0 and PM 2.5 collected in different months from Nov. 2014 to Oct. 2015 in Harbin.. Because PM 1.0 has a larger specific surface area than PM 2.5, toxic pollutants can be more easily adsorbed onto PM 1.0 and pose a greater threat to human health 20,25.Monthly distributions of PM 1.0 /PM 2.5 (Fig. 1) were …

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Pengjian CHENG | Bachelor of Engineering | Harbin Institute …

This study aims to reveal the relationship between the uneven distribution characteristics of basalt fibers and the flexural tensile performance of asphalt mixture. Nano Computed Tomography...

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Daguan Huang's research works | Harbin University of Civil …

The effects of the strength grade, basalt fiber (BF), polypropylene fiber (PF), and hybrid BF-PF on the pore solution pH, chloride concentration distribution, chloride peak concentration (Cmax), an...

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Li Sun's research works | Harbin Normal University, Harbin …

Li Sun's 20 research works with 157 citations and 1,711 reads, including: Sediment Grain-Size Composition in the Permafrost Region of the Greater Khingan Range and Its Significance as a Material ...

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Dan LI | Master of Engineering | Harbin Institute of Technology, Harbin

The impact-resistance behaviour of basalt‒polypropylene fibre-reinforced concrete containing the mineral admixture (BPFRC) was experimentally investigated under impact loading using a ϕ75 mm ...

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Heterogeneous source components of intraplate basalts …

Our results show that the source components of Cenozoic intraplate small-volume basalts in eastern China are temporally and spatially heterogeneous, which is likely induced by …

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Seismic evidence for global basalt accumulation in the …

Our results are best matched by a basalt-enriched mantle transition zone, with higher basalt fractions near 660 (~40%) than 410 (~18–31%). ... Mapping the distribution of compositional heterogeneity is challenging, because in much of the mantle, seismic waves, our best deep Earth probes, are most sensitive to variations in temperature.

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Wenyan Liang's research works | Harbin Engineering …

Wenyan Liang's 63 research works with 1,261 citations and 11,401 reads, including: Superhydrophobic, photothermal, MXene/PEI composite film with anti-icing and deicing properties

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Distribution and molecular characterization of rickettsiae in …

Rickettsiosis is a tick-borne infectious disease of global importance. The disease has been prevailing in Northeastern China but the distribution of tick and tick-borne Rickettsia species from different areas of Northeastern China remain poorly studied. We collected a total of 1,286 ticks in the seven counties with different geographic environments of Harbin, an area of …

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Jianfu LV | Harbin Engineering University | college of …

This paper presents the simultaneous effect of basalt fibre (BF) and mineral admixtures (fly ash and silica fume) on the resistance of concrete to chloride penetration at different curing ages.

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Prediction of chloride ion concentration distribution in basalt

The distribution characteristics of chloride ion concentration in basalt-polypropylene fiber reinforced concrete (BPFRC-CC) are important for assessing the durability of concrete structures under ...

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Experimental Study on the Mechanical Properties of Basalt …

Basalt fibre reinforced polymer (BFRP) composites have been widely used for structural strengthening and reinforcement in civil engineering recently. ... Glass fibre strength distribution determined by common experimental methods. Composites Science and Technology, 2002. 62: p. 131–145. Crossref. Google Scholar. 22. ... (Harbin Institute of ...

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The genesis of Cenozoic basalts from the Jining area, …

Four well-exposed basalt sections have been chosen for a detailed Sr–Nd–Pb–Hf isotopic study: the Baiyinxiang section (BY, ∼33 Ma, >64 m thick), the Hanqingba section (HQ, …

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Harbin: The Moscow of the East — The Struggles of …

Harbin's Russian population grew rapidly as a result of the railroad construction's demand for labor and services. In the 7 years right after the beginning of the construction of the Harbin Railway Station (1898–1905), the Russian population was roughly 30,000, and this number grew to more than 40,000 following the collapse of the Qing ...

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Distribution and molecular characterization of rickettsiae in …

Most of the Chinese rickettsiosis patients are reported from Northeastern China but the distribution of tick and tick-borne Ric … Distribution and molecular characterization of rickettsiae in ticks in Harbin area of Northeastern China PLoS …

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Strain distribution of basalt FRP-wrapped concrete cylinders

A total of 12 cylinders (150 mm x 300 mm) were wrapped with 2, 4, and 6 layers of basalt FRP (BFRP) and the distribution of hoop strain under axial compression load was studied using multiple strain gauges. The new aspect of this study is the use of BFRPs as a new construction material for wrapping concrete elements with a focus on the ...

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Rajmahal Basalts, Eastern India: Mantle Sources and Melt Distribution

This chapter contains sections titled: Introduction Geological Background Cretaceous Volcanism in and Around the Eastern Indian Ocean Geochemistry Discussion Conclusions

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Wavin PP-RCT with Basalt Fiber: Advanced Water Distribution

Wavin PP-RCT with Basalt Fiber is the next generation of polypropylene pipe that is redefining hot and cold water pressure piping distribution systems. The unique 3-layer pipe has a middle layer containing basalt fibers, derived from a volcanic material that limits linear thermal expansion changes due to varying temperatures.

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shear contribution of basalt fiber reinforced polymers …

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Basalt | Properties, Formation, Composition, Uses

Occurrence and distribution of basalt globally: Basalt is found all over the world and makes up a significant portion of the Earth's crust. It is commonly associated with volcanic activity, such as volcanic islands, mid-oceanic ridges, and flood basalt provinces. Basaltic rocks also occur in continental settings, such as rift zones and ...

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Vesicle distribution in basalt lava flow units in the Mesozoic …

The objective of this study was to construct vesicle distribution models of the basalt lava flow units, including conceptual geological models and thickness models, to understand …

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Distribution of major basalt formations in the …

Download scientific diagram | Distribution of major basalt formations in the United States along with distribution of CO 2 sources. from publication: Potential for carbon dioxide sequestration in ...

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Ketong Liu's research works | Harbin University of Civil …

Ketong Liu's 5 research works with 19 citations and 653 reads, including: The Fracture Toughness Analysis on the Basalt Fiber Reinforced Asphalt Concrete with Prenotched Three-point Bending Beam Test

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Vesicle distribution in basalt lava flow units in the Mesozoic …

The Mesozoic rift basins of northeast China are characterized by a significant proportion of basalt due to the progressive emplacement of basalt lava flows. The objective of this study was to construct vesicle distribution models of the basalt lava flow units, including conceptual geological models and thickness models, to understand the architecture of the …

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Effects of Thermal and Stress Cycles on the Mechanical …

Basalt with SR-CLT and sandstone with SR-CTT have the highest AE energy, indicating these pretreatments enable greater internal energy accumulation. RA-AF scatter distribution reveals both rocks mainly exhibit shear failure under uniaxial loading, with …

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Chemical characterization, nano-particle mineralogy and …

Our investigation on the particle size distribution, nano-particle mineralogy and chemical composition in typical BDW samples highlights the need to develop cleaning procedures to minimize exposure to these natural fertilizing basalt dust wastes and is, thus, of direct relevance to both the industrial sector of basalt mining and to agriculture ...

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Prediction of chloride ion concentration distribution in basalt

The distribution of points on the plot reveals the direction and magnitude of the overall influence of the feature on the prediction results. The analysis shows that the BPFRC-CC is negatively correlated with the depth, basalt fibers, and polypropylene fibers, whereas age, water-cement ratio, and environment exhibit a positive correlation.

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Physical Properties of Basalt and Numerical Simulation of …

The physical properties of basalt, such as density, viscosity, permeability, and heat conductivity, were studied experimentally. By introducing the measured parameters into the governing equations of the finite differential method (FDM), the melting processes of basalt, in relation to the thermal boundary conditions and particle sizes, were simulated for the purpose of designing a …

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Preparation and characterization of continuous basalt fibre …

Altering the chemical composition of basalt through extra oxides (such as SiO 2 and Al 2 O 3) has proven to be effective in optimizing the production technology for CBFs.However, this also leads to some new problems: SiO 2 and Al 2 O 3 have higher melting temperatures than that of basalt (usually <1550 °C). Therefore, the diffusion of oxide solid phases is relatively …

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Distribution map of the Cenozoic basalts in eastern China.

Cenozoic basalts are widely distributed in eastern China, and some of them contain zircon megacrysts which are considered to be constituent mineral of the subcontinental lithospheric …

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Study on the Influence of Basalt Fiber on Concrete …

2.1 Effect of Basalt Fiber Content on Static Mechanical Properties of Concrete. As shown in Fig. 1, Long [5,6,7,8,9,10,11,12,13,14,15,16,17] and others explored the effect of BF content between 0.1 and 0.6% on the compressive strength of concrete.It can be seen that the addition of appropriate amount of BF can improve the strength of concrete specimens.

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Tensile properties and load distribution of multi-bolted …

The multi-directional non-crimp basalt fiber fabrics, which is provided by Zhejiang GBF Basalt Fiber Cp., Ltd, were quasi-isotropic (0°: +45°: −45°: 90°=1:1:1:1) with an areal density of 600 g/m 2. The unidirectional rovings of MD plates were made of 1200-tex basalt fiber yarn impregnated with Araldite 1562–1 resin, while the ...

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