相关实验视频
Updated: May 12, 2026

Fabrication and Design of Wood-Based High-Performance Composites
Published on: November 9, 2019
以自然为灵感的等级建筑材料具有低CO2排放和卓越的性能
Jinyang Jiang1, Han Wang1, Junlin Lin1
1State Key Laboratory of Engineering Materials for Major Infrastructure, School of Materials Science and Engineering, Southeast University, Nanjing, China.
研究人员使用水凝和水泥水合物开发了一种新型的低碳轻质水泥材料 (LLST). 与传统水泥相比,这种创新的材料提供了优越的强度和性,密度和碳排放明显减少.
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.
- 绿色化学 绿色化学
背景情况:
- 传统的水泥材料面临着挑战:高碳足迹,密度和脆性.
- 可持续,高性能建筑材料的需求至关重要.
研究的目的:
- 开发一种低碳,轻质,坚固和坚固的基于水泥的材料 (LLST).
- 模仿自然的等级性多孔结构,以增强材料性能.
主要方法:
- 通过快速水凝凝和水泥水合物沉积来制造LLST.
- 层次性毛孔结构 (微孔和纳米孔) 的表征.
- 机械性能测试 (密度,压力强度,断裂能量).
- 分子动力学模拟 (机器学习力场,元动力学) 用于研究原子级联结.
主要成果:
- 在LLST中,呈现出层次性的毛孔结构,没有有害的大毛孔.
- 实现了54%的密度降低,145%的特定压力强度增加和1365%的断裂能量改善.
- 与普通水泥糊相比,碳排放量减少了51%.
- 模拟显示,水凝功能组和离子之间存在强烈的原子键.
结论:
- 开发的LLST为轻质,高性能建筑材料提供了一个可持续的战略.
- 定制层次性孔隙结构是实现轻度,强度和性同时提高的关键.
- 该研究提供了对控制材料增强性质的原子级机制的见解.
更多相关视频
09:39Production and Testing of Moisture Behavior and Thermal Properties of Rapeseed Straw and Ganoderma resinaceum Mycelium Bio-Composites
Published on: September 5, 2025
07:12Façade-Level Monitoring of CO2 Variability under Urban Heat Island Conditions using Low-Cost Sensor Data Loggers
Published on: December 12, 2025
相关概念视频
Types of Building Stone
Igneous rocks are formed from the solidification of magma or lava. An example is granite, known for its durability and resistance to weathering, making it ideal for parts of...
Manufacture of Concrete Masonry Units
These wet blocks are then transported for curing, which can occur in one of two environments: a...
Composite Masonry Walls
Masonry Curtain Walls
Water Cement Ratio
Design Example: Sustainability in Concrete Building
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground cistern.