Failure evidences of reduced span bridges in case of extreme rainfalls The case of Livorno
The heavy rainfalls occurring in Italy in the last few years focused the attention on the vulnerability of the land and the related infrastructures. Critical situations involving losses of human life and deterioration or failure of relevant structures are frequent. These events were due to: (1) impr...
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| Language: | English |
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Gruppo Italiano Frattura
2018-09-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | https://www.fracturae.com/index.php/fis/article/view/2131 |
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| author | Marco Lucio Puppio Sara Novelli Mauro Sassu |
| author_facet | Marco Lucio Puppio Sara Novelli Mauro Sassu |
| author_sort | Marco Lucio Puppio |
| collection | DOAJ |
| description | The heavy rainfalls occurring in Italy in the last few years focused the attention on the vulnerability of the land and the related infrastructures. Critical situations involving losses of human life and deterioration or failure of relevant structures are frequent. These events were due to: (1) improper land-use; (2) aging of infrastructures, (3) insufficient maintenance and protection; (4) climate changes causing rainstorms similar to tropical events. The failure of small bridges in road networks plays a key role in this sense. The present paper aims to analyse the behaviour of small bridges during rainfalls or floods. In particular, the recent case of Livorno is analysed. The Italian territory has about 460.000 small bridges, mostly designed without the support of technical codes or a proper interaction between the hydraulic and structural aspects. A large part of them can be submerged by water flows during rainfalls and pushed by unexpected actions.
The failure scenarios allow identifying the hydraulic and structural vulnerabilities through a specific survey. A classification of small bridges on the basis of submergibility indexes is eventually proposed. |
| format | Article |
| id | doaj-art-3797203fc3a9406fb284553c71f51227 |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2018-09-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-3797203fc3a9406fb284553c71f512272025-01-02T23:01:27ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932018-09-011246Failure evidences of reduced span bridges in case of extreme rainfalls The case of LivornoMarco Lucio Puppio0Sara Novelli1Mauro Sassu2University of PisaUniversity of PISA, ItalyUniversità degli studi di CagliariThe heavy rainfalls occurring in Italy in the last few years focused the attention on the vulnerability of the land and the related infrastructures. Critical situations involving losses of human life and deterioration or failure of relevant structures are frequent. These events were due to: (1) improper land-use; (2) aging of infrastructures, (3) insufficient maintenance and protection; (4) climate changes causing rainstorms similar to tropical events. The failure of small bridges in road networks plays a key role in this sense. The present paper aims to analyse the behaviour of small bridges during rainfalls or floods. In particular, the recent case of Livorno is analysed. The Italian territory has about 460.000 small bridges, mostly designed without the support of technical codes or a proper interaction between the hydraulic and structural aspects. A large part of them can be submerged by water flows during rainfalls and pushed by unexpected actions. The failure scenarios allow identifying the hydraulic and structural vulnerabilities through a specific survey. A classification of small bridges on the basis of submergibility indexes is eventually proposed.https://www.fracturae.com/index.php/fis/article/view/2131Small bridgesstructural and hydraulic assessmentroad network safetyLivorno flood |
| spellingShingle | Marco Lucio Puppio Sara Novelli Mauro Sassu Failure evidences of reduced span bridges in case of extreme rainfalls The case of Livorno Fracture and Structural Integrity Small bridges structural and hydraulic assessment road network safety Livorno flood |
| title | Failure evidences of reduced span bridges in case of extreme rainfalls The case of Livorno |
| title_full | Failure evidences of reduced span bridges in case of extreme rainfalls The case of Livorno |
| title_fullStr | Failure evidences of reduced span bridges in case of extreme rainfalls The case of Livorno |
| title_full_unstemmed | Failure evidences of reduced span bridges in case of extreme rainfalls The case of Livorno |
| title_short | Failure evidences of reduced span bridges in case of extreme rainfalls The case of Livorno |
| title_sort | failure evidences of reduced span bridges in case of extreme rainfalls the case of livorno |
| topic | Small bridges structural and hydraulic assessment road network safety Livorno flood |
| url | https://www.fracturae.com/index.php/fis/article/view/2131 |
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