Abstract

Reinforced concrete structures and structural members used in strategic infrastructures such as highway bridges, high-rise buildings, etc. are inherently subjected to lateral impact loads arising from the collision of vehicles, vessels, falling rocks, and rigid objects having different impact geometries, weights, and velocities. Due to the brittle nature of concrete materials, both localized and overall failure modes are very likely to occur in concrete structures under dynamic and impulsive loads. Hence, many attempts have been carried out in the literature to recognize the failure behaviors and to assess the vulnerability of concrete structure under lateral impact loads. This paper presents a comprehensive state-of-the-art review on the responses and failure behaviors of various types of concrete structures and structural members subjected to lateral impact loads based on analytical, numerical, and experimental studies carried out by the previous research works. In addition, the influences of various structural- and load-related parameters on the impact resistance and failure behaviors of different concrete structures under lateral impact loads are reviewed.

Highlights

  • Owing to rapidly increasing the construction of reinforced concrete (RC) structures all over the world, the need for recognizing the responses of such structures exposed to dynamic and extreme loading conditions such as impact and blast loads is a very topic of importance

  • This paper aims to presents a state-of-the-art review on the responses and failure behaviors of various types of concrete structures and structural members including columns, bridge piers, beams, and slabs under different types of impact loads arising from the collision of rigid objects, or vehicles and vessels

  • From an experimental investigation by Saatci and Vecchio [18] on the shear behaviors of RC beams varying in the ratio of shear reinforcements under high-rate impact loading with an impact velocity of 8 m/s, it was observed that all specimens with different shear resistances suffered severe shear cracks and shear plug failures

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Summary

Introduction

Owing to rapidly increasing the construction of reinforced concrete (RC) structures all over the world, the need for recognizing the responses of such structures exposed to dynamic and extreme loading conditions such as impact and blast loads is a very topic of importance. Several design codes define the estimation of impact loads and the simplified responses of structures subjected to different types of lateral impact loads especially those arising from vessels [7,8,9] and vehicles [8, 10,11,12] collisions using equivalent static and quasi-static analyses. This paper aims to presents a state-of-the-art review on the responses and failure behaviors of various types of concrete structures and structural members including columns, bridge piers, beams, and slabs under different types of impact loads arising from the collision of rigid objects (i.e., soft impacts), or vehicles and vessels (i.e., hard impacts). The theoretical background, current design guidelines, and existing approaches for analyzing structures under impact loadings are reviewed

Bridge Piers Subjected to Impact Loads
Bridge Piers Subjected to Vehicle Collisions
Bridge Piers Subjected to Vessel Collisions
Columns Subjected to Impact Loads
Beams and Slabs Subjected to Impact Loads
Conclusion
Findings
Compliance with ethical standards
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