关于建筑行业高质量发展道路及其适用性的研究
1School of Economics and Business Administration, Heilongjiang University, Harbin, 150080, China. 18204770286@163.com.
Scientific reports
|June 26, 2024
概括
中国的高质量建筑发展依赖于创新,结构和市场活力,而不是单一的因素. 三种不同的途径导致高质量的增长,其中开放和协调是最有效的.
科学领域:
- 建设管理建设管理.
- 可持续发展 可持续发展 可持续发展
- 区域经济学 区域经济学
背景情况:
- 建筑行业的可持续发展是全球优先事项.
- 了解高质量建筑发展的驱动因素对于政策制定至关重要.
- 来自29个省份的中国建筑业数据提供了一个独特的区域视角.
研究的目的:
- 确定中国高质量建筑发展的关键影响因素和改进途径.
- 使用"五个发展"概念,构建高质量发展的驱动模式.
- 探索创新,结构,市场活力,资源和环境的合效应.
主要方法:
- 采用了必要条件分析 (NCA) 和模糊集定性比较分析 (fsQCA) 的组合.
- 利用来自中国29个省份 (自治区和自治市) 的建筑业数据.
- 为建筑行业开发了一种高质量的发展驱动模式.
主要成果:
- 科学和技术创新,结构程度和外部市场活力是高质量的发展的核心条件;没有单一的因素是足够的.
- 确定了三条通往高质量的建筑发展的独特途径,其中开放,创新和协调联系是最普遍和最适用的.
- 发现了两个不高质量的发展路径,表明了复杂的关系,而不是简单的二分法与高质量的路径.
结论:
- 高质量的建筑开发是一个多条件和多路径的现象.
- 政策干预应侧重于因素的协同作用组合,特别是那些促进开放和创新的因素.
- 这些发现为促进建筑行业的可持续和高质量增长提供了宝贵的见解.
相关概念视频
Design Example: Managing Concrete Workability
79
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.
79
Design Example: Alignment of a Road Line Using GIS
47
The alignment of a road line using Geographic Information Systems (GIS) is a critical process in civil engineering, combining advanced technology with practical decision-making. This methodology begins with the collection of geospatial data, including information on land cover, geomorphology, drainage patterns, slope, and contour details. Such data is typically acquired through satellite imagery and GIS tools, offering a comprehensive understanding of the terrain.Once the data is gathered, it...
47
Design Example: Sustainability in Concrete Building
164
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
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...
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...
164
Concrete
335
Concrete is a vital construction material extensively used worldwide, primarily valued for its strength, durability, and versatility, which it provides for various structural designs. Concrete generally comprises ingredients like Portland cement, coarse gravel, fine sand, and water. Concrete can be mixed by simple hand methods or industrially at computer-controlled plants. The mixture consists of aggregates and a paste made from water and Portland cement. This paste coats the aggregates and,...
335
Preplaced Aggregate Concrete
95
Preplaced aggregate concrete is ideal for construction environments that are not easily accessible. The process begins by properly wetting the gap-graded coarse aggregates to remove the dirt, then placing it in the form and compacting it. Voids are filled with a mortar mix pumped under pressure through slotted pipes. This mortar typically consists of Portland cement, pozzolan, fine aggregates, water, and a fluidizing aid. The pozzolan helps reduce bleeding and segregation while improving the...
95
Quality of Water
91
In concrete preparation, the quality of water is paramount as it affects the strength and durability of the concrete. Potable water is usually preferred; however, it must not have excessive sodium or potassium to prevent compromising the concrete's integrity. Water quality is typically evaluated based on impurities such as dissolved solids, chlorides, and sulfates, and its pH value is ideally between 6 and 8. Even slightly acidic natural water may be acceptable unless it contains harmful...
91


