相关实验视频
Updated: Feb 14, 2026

09:03
Manufacture and Drug Delivery Applications of Silk Nanoparticles
Published on: October 8, 2016
16.7K
在混凝土制造中使用石墨尾矿的应用:一项审查
Shan Gao1,2, Jicheng Xu1, Sijia Zhou3
1Shaanxi Key Laboratory of Safety and Durability of Concrete Structures, Xijing University, Xi'an 710123, China.
Materials (Basel, Switzerland)
|February 13, 2026
概括
石墨尾矿 (GT) 可以取代水泥复合材料中的细聚合物,在10-20%的替代性下优化性能. 这种可持续的方法提高了材料的性能,并提供了功能应用.
科学领域:
- 材料科学 材料科学 材料科学
- 土木工程 土木工程是指土木工程.
- 环境科学 环境科学
背景情况:
- 石墨矿开采产生大量石墨尾矿 (GT),造成环境风险并占用土地.
- 将GT重新用于建筑材料,为废物管理提供了一个可持续的解决方案.
- GT的物理化学特性使其成为在水泥复合材料中替代天然沙的可行替代品.
研究的目的:
- 系统地审查目前关于石墨废料水泥砂 (GTCM) 和石墨废料混凝土 (GTC) 的研究.
- 评估使用GT作为部分替代细聚合物的可行性和好处.
- 为了确定最佳的替代水平,并了解对材料性能的影响.
主要方法:
- 对GTCM和GTC现有研究的文献综述.
- 与天然沙子相比,对GT的性能进行分析.
- 评估性能指标,包括可加工性,机械强度和耐用性.
主要成果:
- GT适用于建筑材料,使用10-20%的替代优化性能.
- 最佳的GT含量可以增强颗粒包装,水泥水化和微观结构.
- 观察到可加工性,机械强度和耐久性 (透性,冷解,耐化学物质) 的改善.
- 固有的碳含量为功能应用提供电导率.
- 此外,GT也适用于轻型泡混凝土和自式空气混凝土.
结论:
- GT可以有效地作为可持续的建筑材料重新使用.
- 需要对GTC组件的结构行为,地震性能和设计方法进行进一步的研究.
- 广泛的工程应用GTC可以减轻尾矿积累对环境的影响.
相关概念视频
Manufacture of Concrete Masonry Units
421
The process of manufacturing concrete masonry units begins by mixing stiff concrete composed of Portland cement, aggregates, and water. This mixture is then poured into metal molds. To ensure the concrete settles uniformly and to avoid separation of its components, the mixture in the molds is subjected to vibration. Shortly after, the still-wet blocks are removed from the molds and placed on racks.
These wet blocks are then transported for curing, which can occur in one of two environments: a...
These wet blocks are then transported for curing, which can occur in one of two environments: a...
421
Review and Preview
8.4K
In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
Percentiles are a type of fractile that partition data into...
Percentiles are a type of fractile that partition data into...
8.4K
Review and Preview
11.6K
Data are individual items of information obtained from a population or sample. Data may be classified as qualitative (categorical), quantitative continuous, or quantitative discrete. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Random...
11.6K
Steel Manufacturing
1.5K
Steel manufacturing is a multi-stage process that begins by smelting iron ore into cast iron in a blast furnace. This initial stage involves layering iron ore with coke, a type of fuel, and crushed limestone within the furnace. The coke is ignited with a high volume of air, leading to the creation of carbon monoxide, which acts to reduce the iron ore to pure iron.
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
During this smelting process, limestone plays a crucial role by forming slag. Slag captures impurities within the molten iron, such...
1.5K
Concrete
896
Concrete is a vital construction material extensively used worldwide, primarily valued for its strength, durability, and versatility, which it provides for various structural designs. Concrete generally comprises ingredients like Portland cement, coarse gravel, fine sand, and water. Concrete can be mixed by simple hand methods or industrially at computer-controlled plants. The mixture consists of aggregates and a paste made from water and Portland cement. This paste coats the aggregates and,...
896
Workability of Concrete
439
The workability of concrete is a crucial property that affects its handling, placing, and finishing during construction. It describes the ease with which concrete can be mixed, placed, compacted, and finished. Workability is primarily concerned with the concrete's movement and its ability to resist internal friction and external resistance from molds and reinforcements during the application process.
Concrete's workability is determined by its resistance to internal forces that arise...
Concrete's workability is determined by its resistance to internal forces that arise...
439

