With the rapid development of industrial plants, commercial buildings, and large-scale infrastructure, steel structure engineering is being used more and more widely due to its advantages such as lightweight, high strength, and short construction period. However, in actual projects, cost control and construction efficiency often directly affect the success and profitability of the project. This article will reveal practical methods for reducing costs and improving efficiency from four aspects: design, prefabrication, construction, and management.
Reducing the cost of steel structure engineering and improving construction efficiency is a systematic process that requires optimization and control in multiple stages, including design, procurement, manufacturing, construction and installation.
Key Measures to Reduce Steel Structure Engineering Costs
1. Optimized Design and Material Selection
Structural Optimization Design: Rational Selection of Span and Column Spacing: During structural design, select economically reasonable spans and column spacings through scheme comparison (e.g., for rigid frames, a column spacing of 7-8m may be more economical) to reduce total steel consumption.
Selection of Appropriate Structural Systems and Component Cross-Sections: Adopt lighter and more efficient structural forms (such as trusses and prefabricated assembled steel structure systems), and rationally control the size and cross-sectional form of components to reduce steel consumption while meeting load-bearing requirements (practice shows that optimized design can reduce steel consumption by 10%-20%).
Rational Material Selection: Based on the stress characteristics and importance of components, rationally select steel of different strength grades (e.g., using lower-grade carbon steel while meeting requirements) to avoid “using large materials for small purposes.” Simultaneously, pay attention to recyclable and durable materials to reduce subsequent maintenance costs.
2. Strictly Control Manufacturing and Installation Costs
Material Procurement and Management:
Bulk Procurement and Supply Chain Optimization: Leverage economies of scale through centralized bulk procurement to obtain more competitive prices. Optimize the supply chain to ensure timely material supply and reduce additional costs caused by delays.
Improve Material Utilization: Optimize steel cutting layout, encourage optimized cutting methods, make reasonable use of scrap materials, and regularly track and reward sheet utilization to reduce waste.
Manufacturing Process Control:
Reducing Scrap and Rework: Establish a strict quality control system, strengthen on-site management, and reduce scrap losses and rework costs.
Efficient Equipment Utilization: Rationally plan equipment usage, improve equipment utilization efficiency, reduce idle time, strengthen maintenance, and extend service life, thereby controlling equipment depreciation and maintenance costs.
Labor Cost Control: Improve labor productivity and reduce unit product labor costs through scientific and reasonable labor allocation and enhanced employee skills training.
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