具有不同自由氧化铁含量和不同水分含量的花岩残土的色度参数和切削强度之间的相关性
Zhibing Wang1, Wei Deng2, Changwei Diao2
1Guangxi Key Laboratory of Geomechanics and Geotechnical Engineering, College of Civil Engineering, Guilin University of Technology, No.12, Jiangan Road, Guilin, 541004, China. wangzhibing@163.com.
Scientific reports
|February 1, 2026
概括
在花岩残余土壤中留下花岩残余土壤.
科学领域:
- 地质技术工程 地质技术工程
- 土壤科学 土壤科学
- 环境科学 环境科学
背景情况:
- 在热潮湿地区的花岩残留土壤中,水分和氧化铁含量呈季节性变化.
- 这些变化影响土壤的颜色和机械性能,特别是剪切强度.
- 了解这些关系对于准确地质技术评估至关重要.
研究的目的:
- 为了研究残留花岩土的色度参数 (颜色) 和剪切强度之间的相关性.
- 为了确定视觉颜色是否可以作为土壤机械性质的指标.
- 在地质技术评估中提供土壤剪切强度的快速估计方法.
主要方法:
- 从广西东南部收集了剩余的花岩土样.
- 使用CIE-L*a*b*颜色指数测量了土壤的色度.
- 通过实验室测试确定了切削强度参数 (凝聚力和内部摩擦角).
- 使用路径和回归分析分析的相关性.
主要成果:
- 自由氧化铁含量与凝聚力和特定色度指数 (a*,b*) 在恒定的湿度下正相关.
- 湿度与凝聚力和色度指数的非线性相关性,与内部摩擦角度的显著正相关性.
- 在只有自由氧化铁含量变化时,内部摩擦角和色度参数之间没有发现显著的联系.
结论:
- 染色度参数,特别是CIE-L*a*b*指数,可以有效估计花岩残留土壤的剪切强度.
- 这为在类似环境中进行地质技术评估提供了一种快速,非破坏性的方法.
- 这些发现为土壤表征和工程实践提供了宝贵的见解.
相关概念视频
Moisture Content and Bulking of Aggregate
468
The moisture content of aggregates is a crucial factor in construction, particularly in concrete mixing, as it influences the total water required in the mix. Moisture content represents the water coated on the exterior surface of the aggregate existing in a saturated and surface-dry condition. The total water content of a moist aggregate is the sum of its moisture content and water absorption.
When aggregates are exposed to rain or sit in stockpiles, they absorb moisture, which must be...
When aggregates are exposed to rain or sit in stockpiles, they absorb moisture, which must be...
468
Stereotype Content Model
15.4K
The Stereotype Content Model (SCM) was first proposed by Susan Fiske and her colleagues (Fiske, Cuddy, Glick & Xu, 2002; see also Fiske, 2012 and Fiske, 2017). The SCM specifies that when someone encounters a new group, they will stereotype them based on two metrics: warmth—or that group’s perceived intent, and how likely they are to provide help or inflict harm—and competence—or their ability to carry out that objective. Depending on the warmth-competence...
15.4K
Measurement of Air Content in Concrete
638
Air content measurement in concrete is critical for ensuring structural integrity and durability of concrete structures, especially in environments prone to severe weather conditions. Accurate air content analysis optimizes concrete's resistance to freeze-thaw cycles and enhances its workability and strength. Several methods are standardized under ASTM guidelines to measure the air content in fresh concrete, each suitable for different concrete types and conditions.
The pressure method,...
The pressure method,...
638
Distribution of Cytoplasmic Content
4.7K
Cytokinesis segregates a cell’s chromosomes and organelles into its daughter cells. Organelles divide and grow prior to cell division but cannot be synthesized de novo; therefore, cells must receive at least one copy of each organelle to survive. Currently, many of the details of how the organelles are distributed are not yet fully elucidated.
Distribution of cytoplasmic determinants
The cytoplasm contains various organelles, as well as salts, proteins, and water. The distribution of...
Distribution of cytoplasmic determinants
The cytoplasm contains various organelles, as well as salts, proteins, and water. The distribution of...
4.7K
The Soil Ecosystem
24.8K
Plants obtain inorganic minerals and water from the soil, which acts as a natural medium for land plants. The composition and quality of soil depend not only on the chemical constituents but also on the presence of living organisms. In general, soils contain three major components:
24.8K
Body Water Content and Fluid Compartments
4.2K
Life's biochemical processes occur within aqueous solutions. Solutes are substances that are dissolved within these solutions. The human body contains a variety of solutes, which can differ across various body parts. These can encompass proteins—such as those responsible for clotting and carbohydrate transport—as well as electrolytes. In medicine, an electrolyte is often described as a mineral ion derived from a salt possessing an electric charge. Examples include sodium ions...
4.2K


