Dynamic Reliability in Bridge Pier Scouring

A. Melih YANMAZ

Makale detayları

Dynamic Reliability in Bridge Pier Scouring

Yazarlar:

A. Melih YANMAZ

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Engineering and Environmental Sciences 2002 Vol.26 Issue 4, pp.367-376

Belge Tipi:

Makale

Yayın Tarihi:

3/2002

Belge Dili:

Türkçe

Document ID (Org No.):

2000745175

Sıklık:

Üç Yıllık

eISSN:

1303-6157

pISSN:

1300-0160

Özet:

 

Many bridges crossing wide rivers fail due to excessive local scour around piers and abutments during heavy floods. Because of the random nature and complexity of the overall scouring phenomenon through the bridge opening, there exist uncertainties leading to an unavoidable risk in bridge foundation design. A reliability-based assessment of bridge pier scour is required to examine the relationship between safety factors and reliability, which are key parameters for decision making in design. Herein, a dynamic reliability model based on   resistance-loading methodology with random independent loading following a   Poisson process and random fixed resistance is applied to assess the   reliability of local scouring around single cylindrical piers under various   combinations of decision variables. Variation of reliability with respect to   safety factor, service life, return period and pier size is examined in an   integrated manner in a practical application. The results of dynamic   reliability are also compared with the findings of the static reliability   model.

 

Many bridges crossing wide rivers fail due to excessive local scour around piers and abutments during heavy floods. Because of the random nature and complexity of the overall scouring phenomenon through the bridge opening, there exist uncertainties leading to an unavoidable risk in bridge foundation design. A reliability-based assessment of bridge pier scour is required to examine the relationship between safety factors and reliability, which are key parameters for decision making in design. Herein, a dynamic reliability model based on   resistance-loading methodology with random independent loading following a   Poisson process and random fixed resistance is applied to assess the   reliability of local scouring around single cylindrical piers under various   combinations of decision variables. Variation of reliability with respect to   safety factor, service life, return period and pier size is examined in an   integrated manner in a practical application. The results of dynamic   reliability are also compared with the findings of the static reliability   model.

Makale detayları

Dynamic Reliability in Bridge Pier Scouring

Yazarlar: A. Melih YANMAZ

Yayıncı: TUBITAK

Dergi: Turkish Journal of Engineering and Environmental Sciences 2002 Vol.26 Issue 4, pp.367-376

Belge Tipi: Makale

Yayın Tarihi: 3/2002

Belge Dili: Türkçe

Document ID (Org No.): 2000745175

Sıklık: Üç Yıllık

eISSN: 1303-6157

pISSN: 1300-0160

Sayı

Yazarlar:

A. Melih YANMAZ

Yayıncı:

TUBITAK

Dergi:

Turkish Journal of Engineering and Environmental Sciences 2002 Vol.26 Issue 4, pp.367-376

Belge Tipi:

Makale

Yayın Tarihi:

3/2002

Belge Dili:

Türkçe

Document ID (Org No.):

2000745175

Sıklık:

Üç Yıllık

eISSN:

1303-6157

pISSN:

1300-0160