Quality assessment of building materials in the construction of bridge structures

• Main Authors: Tkach, Evgeniya, Shestakov, Nikolai, Chertes, Konstantin
• Format: Conference Proceeding
• Language: English
• Subjects: Bridge abutments; Bridges; Building materials; Cones; Construction materials; Criteria; Crushed stone; Embankments; Environmental assessment; Environmental impact; Feasibility studies; Geosynthetics; Materials selection; Numerical methods; Parameters; Quality assessment; Reclamation; Reinforced concrete; Road construction; Road transportation; Strengthening
• ISSN: 0094-243X; 1551-7616
• DOI: 10.1063/5.0143535

The choice of building materials used in the road industry requires compliance with design solutions, regulatory requirements, as well as a feasibility study and analysis of potential environmental impacts on the environment. At the same time, the existing standard designs of road transport structures suggest the use of certain road construction materials, which leads to the achievement of maximum efficiency of design solutions. In the presented work, the fundamental possibility of using the hierarchy analysis method for estimating the numerical parameter of biopositivity when choosing the type of strengthening of the cones of bridge structures is considered. The main purpose of this study is to develop and apply methods for calculating the numerical indicator of biopositivity, taking into account the criteria for environmental assessment, as well as testing the proposed methodology on known variants of structures for strengthening the abutments of bridge structures at the junction of supports with the body of the embankment. As an object for calculation, the most common options for strengthening soil cones of embankments of bridge structures using concrete, reinforced concrete, crushed stone, geosynthetic grids and reclamation material are presented. To establish the degree of influence of the selected criteria on the complex parameter of biopositivity, a group expert assessment was carried out with a generalization of the results obtained. It has been established that the criteria associated with vibration exposure and emissions into the atmosphere have the highest values. The method of pairwise comparison was used to calculate the biopositivity according to the selected criteria with the establishment of the weight of each of them. According to the obtained values, a graphical interpretation of the results obtained and a summary table of estimated indicators are presented. According to the results obtained in the work, the most effective variant of the type of strengthening the cones of bridge structures was established, in terms of minimal negative impact on the environment. Using the presented methodology, it becomes possible to comprehensively evaluate the biopositivity indicator and use it in substantiating the choice of materials used and types of structures of road-building complex objects.