针对非主导排序的低碳混合比例的优化设计 基因算法II 基于基因算法改进的反向传播的混凝土基因算法II 基于基因算法改进的反向传播
Fan Zhang1,2, Bo Wen1,3, Ditao Niu1,2
1Department of School of Civil Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.
本研究介绍了一种针对低碳建筑的优化混凝土混合设计,利用基因算法改进的反向传播 (GA-BP) 和NSGA-II来提高准确性和减少环境影响. 与传统混凝土相比,新设计大大降低了成本和碳排放.
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
- 环境科学 环境科学
背景情况:
- 智能混合比设计对于低碳混凝土至关重要.
- 现有的方法需要优化精度和环境影响.
研究的目的:
- 开发和验证一个低碳混凝土混合设计方法.
- 为了提高混凝土混合比率预测和优化的准确性.
- 为了降低混凝土生产的成本和碳足迹.
主要方法:
- 构建了一个混凝土混合比率数据库,并进行统计分析.
- 采用标准逆向传播 (BP) 和基因算法改进的BP (GA-BP) 进行预测.
- 使用快速非主导排序遗传算法II (NSGA-II) 来优化混合比.
主要成果:
- 与标准BP相比,GA-BP显示了更好的适配精度 (4.9%至16.7%).
- 针对C50混凝土的优化混合比:水泥331.3,沙子639.4,石头1039,飞灰56,水153,减水剂0.632 kg/m3.
- 实现了较低的相对误差 (强度为2.1%,成本为0.6%,碳排放为2.9%).
- 与商业混凝土相比,成本减少7.2%,碳排放减少15.9%.
结论:
- 综合方法提高了混凝土设计的准确性,并减少了对环境的影响.
- 优化的混合设计提供了显著的经济和环境效益.
- 鼓励进一步研究将材料选择和结构优化整合为低碳建筑.
更多相关视频
11:53Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
Published on: December 9, 2012
06:24Generic Protocol for Optimization of Heterologous Protein Production Using Automated Microbioreactor Technology
Published on: December 15, 2017
相关概念视频
Design Example: Aggregate Gradation
The grading, or particle-size distribution, of sand is determined using sieve analysis, with standard sizes ranging from 150 μm to 10 mm (ASTM No. 100 sieve to 3⁄8 in. sieve). Sand is...
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...
Design Example: Managing Concrete Workability
Abrasion Resistance of Concrete
One such test is the revolving disc test, where three plates...
Segregation in Fresh Concrete
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
