Searched for: author:"Lantsoght, E.O.L."
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Lantsoght, E.O.L. (author)
Adding steel fibers to concrete improves the capacity in tension-driven failure modes. An example is the shear capacity in steel fiber reinforced concrete (SFRC) beams with longitudinal reinforcement and without shear reinforcement. Since no mechanical models exist that can fully describe the behavior of SFRC beams without shear reinforcement...
journal article 2019
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Lantsoght, E.O.L. (author), Yang, Y. (author), van der Veen, C. (author), Hordijk, D.A. (author), de Boer, A (author)
Existing bridges with large uncertainties can be assessed with a proof load test. In a proof load test, a load representative of the factored live load is applied to the bridge at the critical position. If the bridge can carry this load without distress, the proof load test shows experimentally that the bridge fulfills the requirements of the...
journal article 2019
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Lantsoght, E.O.L. (author), De Boer, Ane (author), van der Veen, C. (author), Hordijk, D.A. (author)
Proof load testing of existing reinforced concrete bridges is becoming increasingly important as the current bridge stock is aging. In a proof load test, a load that corresponds to the factored live load is applied to a bridge structure, to directly demonstrate that a bridge fulfills the code requirements. To optimize the procedures used in...
journal article 2019
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Abad, Belkis Filian (author), Lantsoght, E.O.L. (author), Yang, Y. (author)
The Critical Shear Displacement Theory (CSDT) was developed to determine the shear capacity of reinforced concrete beams based on the different shear-carrying mechanisms (concrete in the compression zone, aggregate interlock, and dowel action). This research aims at extending the CSDT to Steel Fibre Reinforced Concrete (SFRC) by adding the...
conference paper 2019
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Lantsoght, E.O.L. (author), Koekkoek, Rutger (author), van der Veen, C. (author), Sliedrecht, Henk (author)
In the Netherlands, the assessment of existing prestressed concrete slab-between-girder bridges has revealed that the thin, transversely prestressed slabs may be critical for static and fatigue punching when evaluated using the recently introduced Eurocodes. On the other hand, compressive membrane action increases the capacity of these slabs,...
journal article 2019
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Lantsoght, E.O.L. (author), van der Veen, C. (author), Koekkoek, Rutger (author), Sliedrecht, Henk (author)
In the Netherlands, slab-between-girder bridges with prestressed girders and transversely prestressed decks in between the girders require assessment. Static testing showed that compressive membrane action increases the capacity of these structures and that the decks fail in punching shear. The next question is if compressive membrane action...
journal article 2019
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Lantsoght, E.O.L. (author), van der Veen, C. (author), Koekkoek, Rutger (author), Sliedrecht, Henk (author)
Previous research showed that the capacity of existing slab-between-girder bridges is larger than expected based on the punching shear capacity prescribed by the governing codes, as a result of compressive membrane action. A first series of fatigue tests confirmed that compressive membrane action also acts under cycles of loading. However, a...
journal article 2019
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Lantsoght, E.O.L. (author)
Even though the structural behavior steel fiber reinforced concrete (SFRC) has been extensively researched, structural applications are still limited. One barrier to its implementation is the lack of mechanical models that describe the behaviour of SFRC members failing in shear. This paper reviews the effect of steel fibers on the different...
review 2019
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Lantsoght, E.O.L. (author), Abambres, Miguel (author), Ribeiro, Tiago (author), Sousa, Ana (author)
Though Brazilian academia claims equality, the sector has largely been referred to as non-meritocratic, and academic hiring is still inward-oriented. The Lattes platform, a public curricular information system, reflects elements of this protectionism. This article assesses two ‘obsessions’ in Brazilian academia: the ‘mandatory’ Lattes CV, and...
journal article 2019
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Frangopol, DM (author), Yang, David Y. (author), Lantsoght, E.O.L. (author), Steenbergen, RDJM (author)
This chapter reviews 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...
book chapter 2019
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Lantsoght, E.O.L. (author), Hordijk, D.A. (author), Koekkoek, R.T. (author), van der Veen, C. (author)
This chapter describes the proof load testing of viaduct Zijlweg at a position that is critical for bending moment and at a position that is critical for shear. The viaduct Zijlweg has cracking caused by alkali-silica reaction, and the effect of material degradation on the capacity is uncertain. Therefore, the assessment of this viaduct was...
book chapter 2019
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Lantsoght, E.O.L. (author), Schmidt, J.W. (author)
This chapter discusses the aspects related to the preparation of load tests, regardless of the chosen type of load test. After determination of the test objectives, the first step should be a technical inspection of the bridge and bridge site. With this information, the preparatory calculations (assessment for existing bridges and expected...
book chapter 2019
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Lantsoght, E.O.L. (author), Schmidt, J.W. (author)
This chapter discusses aspects that should be considered prior to every load test. The first questions that needs to be answered are “Is this bridge suitable for load testing?” and “If so, what are the goals of the load test?” To answer these questions, information must be gathered and preliminary calculations should be carried out. In order to...
book chapter 2019
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Lantsoght, E.O.L. (author), Schmidt, J.W. (author)
This chapter discusses the aspects related to the execution of load tests regardless of the chosen type of load test. The main elements required for the execution of the load test are the equipment for applying the load and the equipment for measuring and displaying (if required) the structural responses. This chapter reviews the commonly used...
book chapter 2019
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Lantsoght, E.O.L. (author)
This chapter reviews the existing codes and guidelines for load testing of structures. A summary of the main requirements of each existing code is provided, with a focus on the determination of the required load and measurements. The requirements for load testing of bridges and buildings are revised, for new and existing structures. An...
book chapter 2019
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Lantsoght, E.O.L. (author)
This chapter brings all information from the previous chapters together and restates the main topics that have been covered in this book. The topics to which more research energy has been devoted and the remaining open questions are discussed. Based on the current knowledge and state of the art, as well as the practical experiences presented by...
book chapter 2019
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Lantsoght, E.O.L. (author)
This chapter introduces the general topic of load testing of structures. In this chapter, the reader can find a short background to the topic of load testing of structures, the scope of this book, the aim of this book, and a short discussion of the structure and outline of this book.
book chapter 2019
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Lantsoght, E.O.L. (author), Bonifaz, J. (author), Sanchez, T.A. (author), Harris, D.K. (author)
This chapter deals with the methodology for diagnostic load testing. All aspects of diagnostic load testing that are shared with other load testing methods have been discussed in Part II. In this chapter, the particularities of diagnostic load testing of new and existing bridges are discussed. These elements include loading procedures,...
book chapter 2019
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Lantsoght, E.O.L. (author), Schmidt, J.W. (author)
This chapter discusses the aspects related to processing the results of a load test after the test. The way in which the data are processed depends on the goals of the test. As such, the report that summarizes the preparation, execution, and post-processing of the load test should clearly state the goal of the load test, how the test addressed...
book chapter 2019
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Lantsoght, E.O.L. (author)
This chapter deals with the methodology for proof load testing. All aspects of proof load testing that are shared with other load testing methods have been discussed in Part II of Volume 12. In this chapter, the particularities of proof load testing are discussed. These elements include the determination of the target proof load, the procedures...
book chapter 2019
Searched for: author:"Lantsoght, E.O.L."
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