相关实验视频

Updated: Sep 15, 2025

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties

The Effect of Construction and Demolition Waste Plastic Fractions on Wood-Polymer Composite Properties

Published on: June 7, 2020

从多种来源的固体废物中提取的液体填充材料的工程特性和机械洞察力

Yuehui Xia¹, Xiaofei Wei², Jianhua Yuan³

¹Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, China; Shanghai Construction Environmental Technology Co., Ltd, No. 700 Dongda Ming Road, Hongkou District, Shanghai, 200080, China; Shanghai Shenhuan Environmental Engineering Co., Ltd, No. 700 Dongda Ming Road, Hongkou District, Shanghai, 200080, China.

Environmental research

|July 13, 2025

概括

这项研究从固体废物中开发了一种新的液体填充材料 (FFM),优化其环境工程应用的性能. FFM 具有出色的机械强度和耐用性,为废物利用提供了可持续的解决方案.

科学领域:

环境工程环境工程
材料科学材料科学材料科学
可持续建筑可持续建筑

背景情况:

固体废物的协同利用是环境工程的一个关键挑战.
多源固体废物如DWTR,MSS,RFA和泥具有不同的物理化学性质.
开发有效的固体废物利用方法对于资源管理至关重要.

研究的目的:

提出和研究一种基于固体废物的新型液体填充材料 (FFM).
解决多来源固体废物的物理化学差异所带来的挑战.
为了优化FFM属性,以获得卓越的机械性能和耐用性.

主要方法:

精确控制FFM的流动性,水与固体的比率和湿密度.
系统地优化混合比率,包括Lime,DWTR,MSS,RFA,泥和LCCCM.
使用微型表征技术,如SEM和XRD进行结构分析.

主要成果:

具有可控流动性 (160-200毫米),水与固体比率 (0.52-0.87) 和湿密度 (1.47-1.68 g/cm3) 的FFM.
达到7天和28天的压力强度分别为0.20-1.20MPa和0.40-1.40MPa.
最佳的混合比率 (1:5:5:10:67:12) 产生了0.70 MPa的28天压力强度,符合工程标准.

结论:

开发的FFM具有出色的机械性能和耐用性.
增加LCCCM和RFA比例可以提高机械性能.
微观结构分析证实了密集包装和有效的孔隙填充,指导低碳可流动固化土壤的发展.

关键词:

流体填充材料是流体填充材料.混合站沉积物的沉积物回收精细聚合物的回收.资源利用情况资源利用情况泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥,泥

更多相关视频

Manufacturing of Three-dimensionally Microstructured Nanocomposites through Microfluidic Infiltration

Manufacturing of Three-dimensionally Microstructured Nanocomposites through Microfluidic Infiltration

Published on: March 12, 2014

Fused Filament Fabrication FFF of Metal-Ceramic Components

Fused Filament Fabrication FFF of Metal-Ceramic Components

Published on: January 11, 2019

相关概念视频

Characteristics of Fluids

Characteristics of Fluids

Fluids differ from solids primarily in their molecular structure and stress response. Solids have tightly packed molecules with strong intermolecular forces, maintaining their shape and resisting deformation. In contrast, fluids have molecules spaced farther apart with weaker forces, allowing them to flow and deform easily.
Fluids, which include both liquids and gases, are substances that deform continuously under shearing stress. For example, water and oil are liquids with molecules that can...

Density, Specific Weight, Specific Gravity and Compressibility of Fluid

Density, Specific Weight, Specific Gravity and Compressibility of Fluid

Density, specific weight, specific gravity, and compressibility are fundamental properties of fluids. Density is the mass per unit volume, characterizing the mass of a fluid system. It influences buoyancy, pressure, flow dynamics, viscosity, thermal conductivity, and sound propagation. For instance, in pipeline design, accurate density measurements ensure that the pipeline can handle the fluid's mass.
Specific weight represents the weight per unit volume and is calculated by multiplying...

Types of Fluids

Types of Fluids

Fluids can be classified into Newtonian and non-Newtonian fluids based on their response to shear stress. Newtonian fluids have a linear relationship between shear stress and the shear strain rate, following Newton's law of viscosity. Their viscosity remains constant regardless of the shear rate, making their behavior predictable and easier to analyze. Common examples include water, air, oil, and gasoline.
In contrast, non-Newtonian fluids do not follow Newton's law of viscosity, and...

Typical Model Studies

Typical Model Studies

Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.

General External Flow Characteristics

General External Flow Characteristics

The study of external flow is essential for creating structures and objects that interact efficiently and safely with moving fluids, such as air or water. When a body is immersed in a flowing fluid, it experiences two primary forces: drag, which opposes motion along the flow direction, and lift, which acts perpendicular to the flow. The shape, size, and orientation of the object influence these forces.Streamlined and Blunt Bodies in External FlowObjects in fluid flow are classified as...

Pressure of Fluids

Pressure of Fluids

There are many examples of pressure in fluids in everyday life, such as in relation to blood (high or low blood pressure) and in relation to weather (high- and low-pressure weather systems). A given force can have a significantly different effect, depending on the area over which the force is exerted. For instance, a force applied to an area of 1 mm2 has a pressure that is 100 times greater than the same force applied to an area of 1 cm2. That's why a sharp needle is able to poke through...