Hebei Hengchuan Building Materials Co., Ltd. was established in January 2018 and is a high-tech enterprise that integrates research and development, production, and sales of green, environmentally friendly, and new building …
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Quartz tailing sand (QTS) is a by-product of glass production, it's the fine sand obtained after quartz sand, the raw material of glass, had been crushed and screened, and its main chemical component is SiO 2.In the float glass process, the harm of fine quartz sand lies in the fact that after entering the furnace, it will erode the refractory material, reduce the lifespan of the furnace ...
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columns with iron tailings sand Jian Gao, Xingguo Wang ... Engineering, Hebei 063000, China; 2720748472@qq Abstract As the main structural form of modern building engineering, the study of mechanical properties of reinforced concrete structure is very important to ensure the safety and reliability of the structure. In this paper, based on ...
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Aerated Concrete Prepared by Quartz Tailings Sand ... Handan Hebei Province, 056038, China 4Jiangxi Key Laboratory of Mining Engineering, Jiangxi University of Science and Technology, Ganzhou Jiangxi Province 341000, China 5Tianjin Sunenergy Sega Environmental Science & Technology Co. Ltd, Tianjin 300000, China
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In this paper, the dynamic pore water pressure development character-istics of tailings fine sand and tailings silt in a tail-ings pond with the centerline method are studied by dynamic triaxial tests.
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Prevention, Sanhe 065201, Hebei, China e-mail: 1020417487@qq ... tailings sand, Zhang et al. (2006), Chen et al. (2007) and others conducted dynamic triaxial tests on copper mine tailings sand, analysed the development law of dynamic pore pressure, and proposed a new method
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In this paper, the iron tailings powder, iron tailings sand and iron tailings gravel in Qian'an city are used to replace fly ash, river sand and gravel respectively as admixture, fine and coarse ...
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Tailings are often rich in silicates, the principal component of sand. But to date, the reality has been disappointing. More than 18,000 research papers have been published on the …
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2.1 Sample and test equipment. According to the requirements of the ASTM D422-63 specification (ASTM D422 2007), to carry out particle analysis and specific gravity tests, two kinds of tailings sand samples will be dried and crushed.The content of tailings fine sand with particle size less than 0.075 mm is 8.69%, the nonuniformity coefficient C u is 2.4, and the …
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Among them, the carbon storage species of tailings sand in Hebei are dominated by iron, while those in Henan are mainly gold and red mud. The accumulated tailings sand in …
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Hebei, 063210, China ... tailings sand content. When the iron tailings sand content is 3 0%, the optimal water content of ...
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Surface mortar for exterior wall external insulation prepared the present invention relates to a kind of utilization mill tailings fine sand and preparation method thereof, mine tail mineral fine sand is classified to 0.10≤particle diameter ＜ 0.15mm, 0.15mm≤particle diameter ＜ 0.20mm, 0.20mm≤tri- levels of particle diameter ＜ 0.40mm with region in the surface mortar for exterior ...
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Product name:Fine Sand Recycling Machine;Warranty:1 Year;Place of Origin:hebei;Marketing Type:New Product 2024;Brand Name:HW;Condition:new;Weight:12000 KG;Keyword ...
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Studies show [19] that a higher content of iron tailings sand results in lower mass loss and better freeze resistance of the concrete. Nuclear magnetic resonance analysis has found ... Hebei, China. Finally, BFs were purchased from a fiber manufacturer in Shanghai, China. All water used in the tests was tap water taken from the Fuxin City.
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Tailings are often rich in silicates, the principal component of sand. But to date, the reality has been disappointing. More than 18,000 research papers have been published on the topic in the ...
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This paper investigates the storage situation of tailings and waste rocks in the eastern Hebei Province, analyzes the physical and chemical properties of typical iron tailings and gold …
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Hebei Hengchuan Building Materials Co., Ltd. was registered and established in January 2018, with a registered capital of 100 million yuan and total assets of 229 million yuan. ... It has now formed an annual production capacity of 200000 meters ³ With a production capacity of 250000 tons of dry sand and microcrystalline board, we are a ...
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Iron tailings from Chengde area of Hebei Province were selected as coarse aggregate, and the particles were continuously graded with 5 ∼ 20 mm, ... The average damage degree of iron tailings sand and gravel concrete at 120 cycles was 5.93 %, 12.23 %, and 16.2 % higher than that of iron tailings ore concrete, iron tailings sand concrete, and ...
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2.1 Raw Materials. The cement used was Ordinary Portland Cement (P·O 42.5), which complied with the requirement of Chinese standard GB175-2007. The iron tailings (FN, PS, CD, BD, and LY) were selected from different regions in Hebei Province of China, as shown in Fig. 1, and the natural river sand (TR) was used to make a comparison.Their chemical …
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Using iron tailings powder as an mineral admixture, and iron tailings gravel and sand as coarse and fine aggregates, respectively, the flexural behavior of full iron tailings concrete (FITC) …
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