Inspection and Assessment of Masonry Arch Bridges: Ivanjica Case Study

Neda M Sokolović,Milica Petrović,Nenad Šekularac,Suzana Koprivica,Ana Kontić

doi:10.3390/su132313363

Neda M Sokolović, Milica Petrović + Show 3 more

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https://doi.org/10.3390/su132313363

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Abstract

The importance of masonry arch bridges as a traffic network element calls for a thorough analysis focused on both structural stability and loading capacity of these historical structures, considering the usage of these bridges in contemporary traffic conditions. This paper focuses on the analysis of longitudinal cracks in a single span masonry arch bridge to evaluate its influence on structural behaviour of the system. As longitudinal cracks do not necessarily present an inevitable collapse mechanism, analysis of the causes is crucial for evaluating the serviceability and functionality of the bridge investigated. The methodology is based on the following: literature review, observation of the stone bridge in Ivanjica, geological testing of the site, geophysical testing of the bridge, laboratory testing of mechanical characteristics of stone used for the bridge construction and biological analysis of the samples of implemented materials on the bridge. Finite element analysis of the bridge was conducted to define the causes of the longitudinal cracks. The 3D simulation model was based on the data collected through observation and experimental analysis. This paper provides extensive research on a single span masonry bridge, examining how different deterioration mechanisms, in conjunction, can lead to the appearance of cracks in masonry arch bridges and provide remedial measures accordingly.

Highlights

This case study shows the response to typical problems in masonry arch structures
Based on the research and analysis conducted in this paper, the conclusion is that the only proper way to repair the existing bridge structure is investigating a series of influences that could permeate and apply different types of tests
Historic survey and analysis on the site are vital for the following structural analysis, shown in the paper

Summary

Introduction

Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Older stone bridges are part of the rich historical heritage. After many of them suffered damage in their past. Nowadays, they are witness to cultural and social features of the period they were built in. They are witness to cultural and social features of the period they were built in Most of these bridges were designed centuries ago, being built according to empirical rules not matching the loads of contemporary traffic. The excellent durability and carrying capacity of masonry arch bridges is shown through their continuous use, as they are still in service with the massive use of motor vehicles that replaced carts [1].

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