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Chapter and Conference Paper
Effect of Spatial Variability on the Failure Behaviour of a Reinforced Concrete Shear Wall
Reinforced Concrete (RC) structures behaviour depends strongly on the variability of materials properties. This variability can be considered at different scales as concrete is a heterogeneous material constit...
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Chapter
Statistics
This chapter gives definitions and basics on statistics, as mean standard deviation, trueness, accuracy, uncertainty … The relation of test result precision with the number of test readings is emphasized. Theo...
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Chapter
In-Situ Strength Assessment of Concrete: Detailed Guidelines
Guidelines describe the general process of in-situ compressive strength assessment. This process is divided into three main steps, data collection (using nondestructive testing and destructive testing), model ...
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Chapter
Evaluation of Concrete Strength by Combined NDT Techniques: Practice, Possibilities and Recommendations
This chapter presents a summarized state of the art of the available methods (SonReb and new methodologies) for the combination of NDT measurements. This synthesis can be helpful for selecting NDT methods for ...
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Chapter
How to Identify the Recommended Number of Cores?
The concrete strength assessment process is influenced by uncertainties at many levels, including random measurement errors, sampling uncertainty and identification of the conversion model parameters. Therefor...
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Chapter
Model Identification and Calibration
This chapter provides additional information about the “identification of conversion model” step and the “strength estimation” step as defined in the flowchart summarizing the RILEM recommendation. The advanta...
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Chapter
Identification of Test Regions and Choice of Conversion Models
The main objective of test region (TR) identification is to define an efficient conversion model. The first part of the chapter aims a difficult question, the identification of test regions (TR) because each s...
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Chapter
How Investigators Can Assess Concrete Strength with On-site Non-destructive Tests and Lessons to Draw from a Benchmark
A benchmark is carried out in order to compare how 13 experts define and can carry out an NDT investigation program and derive strength values from NDT measurements. The benchmark is based on simulations, whic...