Abstract

Abstract The paper discusses existing reinforcement, future reinforcement and new technologies for concrete pipes used in the sewage systems. Concrete pipes currently in use and under investigation are reviewed. Structural fibres, as the main reinforcement of concrete pipes, are known as an attractive alternative to the traditional steel bars. Steel, synthetic and basalt fibres have been considered. The latest research and mechanical properties of individual fibres are presented. Advances in fibre-reinforced concrete provide a new basis for the design of more efficient concrete pipes, especially those resistant to biological corrosion and with a longer service life. In the article, future non-corrosive reinforcement due to the reduction of steel reinforcement and corrosion protection linings has been proposed.

Highlights

  • Sewer lines are constructed from a variety of materials

  • There exists considerable experimental and numerical research on fibre-reinforced concrete pipes (FRCPs) and this topic is interesting for scientists as well as for industries

  • In the study of Al Rikabi et al (2018), the authors concluded that the involvement of PPF along with minimal steel area and diminished wall thickness increased the flexibility of PPF-reinforced concrete pipes (PFRCPs)

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Summary

Introduction

Sewer lines are constructed from a variety of materials. The earliest sewer lines were constructed of brick, natural stone and stoneware. New underground constructions are unlikely to be built of brick and natural stone anymore, but many of the most important brick sewer constructions are still in place in towns and cities. Modern sewage systems were developed in the late 19th century. The sewers created are still durable today. Conducting research on new products, in which construction parameters are modified and various types of fibres are used, is aimed at increasing the resistance of concrete pipes to biological corrosion and increasing their durability

Characteristics of concrete pipes
Reinforced concrete pipe
Fibre-reinforced concrete pipes – new designing trends
Steel fibre-reinforced concrete
Synthetic fibre-reinforced concrete
Concrete nanocomposite pipes
Basalt fibre-reinforced concrete
B-PPF-reinforced concrete
Corrosion protection linings
High-density polyethylene liners
Sole tiles and shape pieces from melted basalt
Findings
Conclusions
Full Text
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