Reliability index after proof load testing: Viaduct De Beek

Lantsoght, Eva O. L.; Van, C Mai; Hordijk, D.A.; de, Amilton Barreto

doi:10.1201/9781315210469-256

Cited by 4 publications

(4 citation statements)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This results in a higher reliability level. A similar representation is presented in the study of [27], in which the reliability index was determined based on proof load testing, and a sensitivity analysis was performed regarding the variation in the resistance parameters. Other relevant studies dealing with bridge reliability evaluation by using load tests are [3,6,12,28,29].…”

Section: State Of the Art 21 Reliability-based Methodsmentioning

confidence: 99%

“…Multiple approaches to determining the target proof load currently exist [3,4,12,[26][27][28][49][50][51][52][53]. Most studies determine the target load based on reliability analysis, including uncertain parameters for the resistance model [3,6,27,49]. However, if sufficient information is available for the resistance model, the need for testing may be more irrelevant.…”

Section: Proof Loading Target Load and Stop Criteriamentioning

confidence: 99%

See 1 more Smart Citation

Reliability-Based Proof Load Factors for Assessment of Bridges

et al. 2023

View full text Add to dashboard Cite

Advanced reliability assessment can be required when evaluating existing bridge structures through proof load testing. The target load of a proof load test typically requires input from resistance models; however, bridges with a low documentation level are often the most relevant for proof load testing, and resistance models thus involve significant uncertainties. This paper presents a different approach to proof loading and target proof load, in which the resistance model is not included in the determination of this load. Instead, the target proof load is determined based on load models coupled to the desired target failure probability, thus ensuring sufficient safety of the existing bridge. The method is in line with the proposal for a new Eurocode on assessment of existing structures and is deemed to be superior to existing approaches. An essential assumption of the method is that monitoring systems can identify stop criteria before irreversible damage occurs. The approach was applied in a case study, where an OT-slab bridge with a span of 6.5 m was proof-load-tested and reclassified for capacity upgrading of a road stretch in Denmark.

show abstract

Section: State Of the Art 21 Reliability-based Methodsmentioning

confidence: 99%

Section: Proof Loading Target Load and Stop Criteriamentioning

confidence: 99%

Reliability-Based Proof Load Factors for Assessment of Bridges

et al. 2023

View full text Add to dashboard Cite

show abstract

“…Viaduct De Beek, see Figure 6, (Lantsoght et al 2017a, Lantsoght et al 2017d) is a reinforced concrete slab bridge over highway A67 in the province of Noord Brabant in the Netherlands. It has been in service since 1963.…”

Section: Description Of Viaduct De Beekmentioning

confidence: 99%

Reliability-Based Analysis and Life-Cycle Management of Load Tests

Frangopol¹,

Yang²,

Lantsoght³

et al. 2019

Load Testing of Bridges

View full text Add to dashboard Cite

This chapter revises concepts related to the uncertainties associated with structures, and how the results of load tests can be used to reduce these uncertainties. When an existing bridge is subjected to a load test, it is known that the capacity of the cross-section is at least equal to the largest load effect that was successfully resisted. As such, the probability density function of the capacity can be truncated after the load test, and the reliability index can be recalculated. These concepts can be applied to determine the required target load for a proof load test to demonstrate that a structure fulfills a certain reliability index. Whereas the available methods focus on member strength and the evaluation of isolated members, a more appropriate approach for structures would be to consider the complete structure in this reliability-based approach. For this purpose, concepts of systems reliability are introduced. It is also interesting to place load testing decisions within the entire life-cycle of a structure. A cost-optimization analysis can be used to determine the optimum time in the life-cycle of the structure to carry out a load test.

show abstract

“…When using a probabilistic assessment, the coefficient of variation that needs to be assumed for the distribution functions of the load and the resistance has a major influence on the resulting probability of failure and reliability index [136]. Currently, no guidelines are available with recommendations for the values of the coefficient of variation.…”

Section: Using Load Testing Information In Probabilistic Assessmentmentioning

confidence: 99%

State-of-the-art on load testing of concrete bridges

Lantsoght

Veen

Boer

et al. 2017

Engineering Structures

View full text Add to dashboard Cite

Load testing of bridges is a practice that is as old as their construction. In the past, load testing gave the traveling public a feeling that a newly opened bridge is safe. Nowadays, the bridge stock in many countries is aging, and load testing is used for the assessment of existing bridges. This paper aims at giving an overview of the current state-of-the-art with regard to load testing of concrete bridges. The work is based on an extensive literature review, dealing with diagnostic and proof load testing, and looking at the current areas of research. Additional available information about load testing of steel, timber, and masonry bridges, buildings, and collapse testing is briefly cited. For the implementation of load testing to the aging bridge stock on a large scale, efficiency in procedures is required. The areas requiring future research are identified, based on the available body of knowledge.

show abstract

Reliability index after proof load testing: Viaduct De Beek

Cited by 4 publications

References 1 publication

Reliability-Based Proof Load Factors for Assessment of Bridges

Reliability-Based Proof Load Factors for Assessment of Bridges

Reliability-Based Analysis and Life-Cycle Management of Load Tests

State-of-the-art on load testing of concrete bridges

Contact Info

Product

Resources

About