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Cone Penetration Testing 2018 contains the proceedings of the 4th International Symposium on Cone Penetration Testing (CPT’18, Delft, The Netherlands, 21-22 June 2018), and presents the latest developments relating to the use of cone penetration testing in geotechnical engineering. It focuses on the solution of geotechnical challenges using the...
book 2018
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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
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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)
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)
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
document
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), 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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Frangopol, Dan M. (author), Yang, David Y. (author), Lantsoght, E.O.L. (author), Steenbergen, Raphaël D.J.M. (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), 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), 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), 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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de Wolf, W.J. (author), Korff, M. (author), van Seters, A. (author), van Dalen, J.H. (author)
In the Observational method Ab Initio approach observational feedback is used to optimize a structural design to field conditions that are found to be uncertain in the design phase. As a deep excavation takes place, the supporting retaining wall deflections can be observed by inclinometers which serve as an extra source of information on the...
conference paper 2021
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Reinders, K.J. (author), van Leijen, F.J. (author), Hanssen, R.F. (author), Korff, M. (author)
This paper investigates the use of InSAR data during shield tunnel construction when short-term settlements occur within a few days. Additionally, the long-term settlement, which occur over several years, in the vicinity of these tunnels are evaluated with inSAR. The North-South Line in Amsterdam is used as a case study for this research. We...
conference paper 2021
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Nogal Macho, M. (author), Bastidas-Arteaga, Emilio (author), dos Santos Gervásio, Helena Maria (author)
The impact of climate change on ambient temperature and relative humidity along with the present CO2 levels are speeding the corrosion process of reinforced concrete structures. The alarming cost of the associated reduction of the service life of structures, which is estimated to cost 3% to 4% of the Gross Domestic Product (GDP) of...
conference paper 2021
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Broere, W. (author)
The minimal support pressure needed at the tunnel face can be calculated using a wedge stability analysis. Current methods have been presented only for a homogeneous soil at the tunnel face. This Paper investigates the influence of heterogenity of the soil on the angle of slip and the minimal support pressure. It is found that the influence of...
conference paper 1998
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Escanellas, Andreu (author), Cámara, Eduardo (author), Liaudat, J. (author), Carol, Ignacio (author)
This paper describes an on-going experimental and numerical modelling<br/>research project on salt rock specimens. The experimental part of the study consists of a number of Mode I fracture tests with the WST (Wedge-Splitting Test) configuration, which are performed at different loading rates and complemented by a series of standard uniaxial...
conference paper 2022
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Bristogianni, T. (author), Oikonomopoulou, F. (author)
The shaping freedom of cast glass in combination with the robustness of the resulting voluminous components opens up new, exciting directions in the field of structural glass. Yet, cast glass components remain brittle, limiting their structural applications in hyper-static compressive structures designed with conservative safety factors....
conference paper 2022
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Mulders, FMM (author)
Stress changes related to the depletion of gas reservoirs in the northern Netherlands can lead to small seismic events. Field data analysis makes it very likely that these events are the result of reactivation of existing faults or joints in or near the reservoirs. DIANA is used to model 3D gas reservoirs, in order to analyse stress development...
conference paper 2002
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Varkey, D. (author), Hicks, M.A. (author), Vardon, P.J. (author)
The paper investigates the stability of slopes with spatially variable and cross-correlated shear strength parameters in 3D. The influence of various cross-correlation coefficients between these parameters on the probability of 3D slope failure has been considered for different levels of anisotropy of the heterogeneity in the shear strength....
conference paper 2018
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