Abstract
Innovations in the construction industry have led to a change in the technological structure, the use of end-to-end technologies, innovative materials, information management and the need for new technical, technological and managerial solutions. The research problem is the optimal placement of glass-fiber reinforced plastic bars in concrete structures. It took several steps to solve the research problem: 1) development of an algorithm for solving the design problem in TEKLA Structures; 2) performing of calculations based on the finite element method in LIRA-SAPR, which were further reproduced in Rhinoceros and Grasshopper (based on interoperability in a single BIM environment); 3) implementation of the optimization algorithm using the parametric optimization method; 4) A practical calculation of determining the optimal values of the loads of glass-fiber reinforcement in the slab on the example of a typical design problem of a structural element of a construction facility; 5) calculation of positive economic effect. The conclusion is that the algorithm can be used in the practice of building design.
Highlights
The concept of the circular economy is the optimal consumption of natural resources, applied to such spheres as the construction industry, the greening of construction production, the reduction of energy intensity, the improvement of energy efficiency of facilities, the use of local materials, the reuse and harmless disposal of building materials
When calculating the amount of glass-fiber reinforced plastic rebars in a concrete structure, based on the calculations for a specific example performed in «LIRA-SAPR», we can conclude the following: the project uses an excessive amount of reinforcement bars
The developed modified algorithm in «Grasshopper» allows optimizing the number of glass-fiber reinforced plastic bars and offers to reduce the number of reinforcement bars with an indication of the optimal arrangement of the rods
Summary
The concept of the circular economy is the optimal consumption of natural resources, applied to such spheres as the construction industry, the greening of construction production, the reduction of energy intensity, the improvement of energy efficiency of facilities, the use of local materials, the reuse and harmless disposal of building materials. The competitive advantage of a company in the construction industry is, all other things being equal, a reduction in the number and weight of materials used in construction [1, 2]. Companies invest in new production technologies, materials, and waste reduction methods, which allows reducing the total cost of the investment project and obtaining a significant economic effect on the implementation of construction projects [3, 4].
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