相关实验视频
Updated: Jul 30, 2026

06:15
Interactive Molecular Model Assembly with 3D Printing
Published on: August 13, 2020
10.0K
推进建筑3D打印与预测性层间粘合强度:一个堆叠模型范式
Dinglue Wu1, Qiling Luo2,3,4, Wujian Long2,3,4
1Poly Changda Engineering Co., Ltd., Guangzhou 510620, China.
Materials (Basel, Switzerland)
|March 13, 2024
概括
使用堆叠策略的新机器学习 (ML) 模型提高了3D打印混凝土的质量. 该模型准确地预测了层间粘合强度 (IBS),改善了大型生产的混凝土稳定性.
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.
- 计算机科学 计算机科学
背景情况:
- 对于实际应用,3D打印混凝土需要提高质量稳定性.
- 准确预测层间粘合强度 (IBS) 对3D打印混凝土结构至关重要.
研究的目的:
- 开发一种新的机器学习 (ML) 模型,用于预测3D打印混凝土的层间粘合强度 (IBS).
- 为了提高3D打印混凝土的质量稳定性和生产可扩展性.
主要方法:
- 实施一个堆叠机器学习策略.
- 使用支向量回归 (SVR),K-最近邻居 (KNN) 和高斯过程回归 (GPR) 作为基本模型.
- 使用十倍交叉验证和统计绩效评估.
主要成果:
- 开发的堆叠模型在IBS预测中显著超过了个别基准模型.
- 通过堆叠模型,确定系数 (R2) 从0.91提高到0.96.
- 证明了层间粘合强度的卓越预测准确性.
结论:
- 新型堆叠ML模型有效地提高了3D打印混凝土中层间粘合强度的预测准确性.
- 这一进步有助于提高质量稳定性,并支持大规模生产3D打印混凝土结构.
相关概念视频
Deformation of Member under Multiple Loadings
When a rod is made of different materials or has various cross-sections, it must be divided into parts that meet the necessary conditions for determining the deformation. These parts are each characterized by their internal force, cross-sectional area, length, and modulus of elasticity. These parameters are then used to compute the deformation of the entire rod.
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
In the case of a member with a variable cross-section, the strain is not constant but depends on the position. The deformation of an...
Three-Dimensional Analysis of Strain
Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...
Reinforced Brick Masonry
Reinforced brick masonry is an advanced construction technique that enhances the structural integrity of brick walls by incorporating steel reinforcements. These reinforcements are either placed within the hollow cores of bricks or sandwiched between two layers of masonry, known as wythes, and are then secured in place with grout. Grout is a fluid mixture composed of Portland cement, aggregate, and water, providing the necessary bonding agent for the steel and brick.
To fortify brick walls...
To fortify brick walls...
Posttensioned Masonry Walls
Post-tensioned masonry walls use high-strength steel rods or flexible tendons to enhance the strength and efficiency of masonry structures. These elements are securely anchored to the foundation and extend vertically either within the cores of the masonry units or between the masonry wythes. The construction process involves building the wall with these tensioning elements in place and allowing the mortar to fully cure.
Following the curing process, the tensioning begins. Steel rods are...
Behavior of Concrete Under Compressive Load
Concrete exhibits specific behaviors under different compressive loads. Understanding this is crucial for understanding its structural integrity. When concrete undergoes uniaxial compression, it tends to develop cracks that run parallel to the direction of the force. These parallel cracks stem from localized tensile stresses that occur perpendicular to the compression direction. Additionally, angled cracks may appear due to the formation of shear planes.
As the concrete specimen fractures under...
As the concrete specimen fractures under...

