一种评估混凝土在3D打印路面中的可打印性方法
Yuping Feng1, Guang Yin2, Cong Wang2
1School of Civil and Transportation Engineering, Northeast Forestry University, Harbin 150006, China.
MethodsX
|July 4, 2025
概括
新的质量控制方法评估3D打印路面混凝土的可打印性,使用边缘倾斜,形状保持强度和表面光滑性测试. 这确保混凝土混合设计符合3D打印要求.
科学领域:
- 土木工程 土木工程是指土木工程.
- 材料科学 材料科学 材料科学
背景情况:
- 目前用于铺路混凝土的质量控制缺乏3D打印应用的可打印性评估.
- 标准方法不评估混凝土在路面施工中的增材制造的独特要求.
研究的目的:
- 为3D打印路面混凝土的可打印性建立分级评估指标.
- 为了解决现有的3D打印混凝土质量控制方法的局限性.
主要方法:
- 开发了基于边缘倾斜,形状保持强度和表面光滑性测试的分级评估指标.
- 设计并使用实验室迷你3D打印铺路设备进行验证.
- 测试了各种混凝土混凝土混合设计.
主要成果:
- 建立的指标量化地衡量了不同混凝土混合设计的可打印性.
- 评估方法有效地评估混凝土混合物比例是否适合3D打印路面.
- 实验室结果证实了开发的可打印性测试的可靠性.
结论:
- 拟议的评估方法提供了对3D打印路面混凝土可打印性进行定量测量.
- 这种方法为优化混凝土混合设计的增材建筑提供了指导.
- 开发的指标加强了对3D打印路面应用的质量控制.
相关概念视频
Permeability of Concrete
220
Permeability in the context of concrete refers to how easily liquids or gases can pass through the material. This quality is crucial for assessing the water-tightness and durability of concrete structures and their resistance to chemical attacks. Concrete permeability can be determined through comparative laboratory tests. These tests typically involve sealing a concrete specimen from the sides, applying water pressure to the top surface with pressure, and measuring the amount of water passing...
220
Design Example: Managing Concrete Workability
123
This example deals with managing the workability of concrete for a raft foundation project under hot weather conditions. Workability is crucial for ensuring the concrete is easy to place, compact, and finish. In this scenario, a slump test — a common method to measure the workability of fresh concrete — initially indicated low workability. This was attributed to the rapid water loss from the concrete mix, exacerbated by the high temperatures causing the course aggregates to heat up.
123
Slump Test
442
The slump test is a widely used method to measure the workability of concrete. It employs a 12-inch high truncated cone mold that tapers from eight inches at the base to four inches at the top. Before testing, the mold is securely attached to a flat base and dampened.
Concrete is poured into the mold in three layers to conduct the test. Each layer is compacted 25 times with a steel tamping rod, which has a five-eighths-inch diameter and a rounded end, to ensure even distribution and eliminate...
Concrete is poured into the mold in three layers to conduct the test. Each layer is compacted 25 times with a steel tamping rod, which has a five-eighths-inch diameter and a rounded end, to ensure even distribution and eliminate...
442
Abrasion Resistance of Concrete
217
Abrasion resistance is an essential characteristic of concrete that determines its durability and longevity under various wear conditions. Concrete surfaces are vulnerable to different types of abrasion. For instance, surfaces may wear down due to the constant movement of vehicles or be eroded by solids carried in water, as seen in concrete canal linings. Specific tests are conducted to measure the abrasion resistance of concrete.
One such test is the revolving disc test, where three plates...
One such test is the revolving disc test, where three plates...
217
Workability of Concrete
164
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...
164
Measurement of Air Content in Concrete
283
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,...
283


