Use Of X-Ray Computated Tomogrphy As Input For Fracture Modelling Of Cement Paste-Aggregate Interface

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Use Of X-Ray Computated Tomogrphy As Input For Fracture Modelling Of Cement Paste-Aggregate Interface

Conference Paper (2019)

Author(s)

Hongzhi Zhang (TU Delft - Civil Engineering & Geosciences)

E. Schlangen (TU Delft - Civil Engineering & Geosciences)

Branko Šavija (TU Delft - Civil Engineering & Geosciences)

Research Group

Materials and Environment

Mechanical properties X-ray computed tomography Interface microstructure Lattice model

DOI related publication

https://doi.org/10.21012/FC10.233071 Final published version

To reference this document use

https://resolver.tudelft.nl/uuid:95463fbc-4040-4614-b3cf-70118771cdb3

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Publication Year

2019

Language

English

Research Group

Materials and Environment

Event

10th International Conference on Fracture Mechanics of Concrete and Concrete Structures (2019-06-24 - 2019-06-26), Bayonne, France

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Abstract

This work aims to investigate the mechanical properties of the cement paste-aggregate interface by combining experimental and numerical approaches. The multi-phase interface microstructure was obtained by X-ray computed tomography (XCT) and submitted to a discrete fracture lattice model for fracture analysis. Apart from the modelling, a benchmark test at the micro-scale has been conducted for the purpose of calibration. With the approach proposed in this work, a framework to model and test the micromechanical properties of the cement paste-aggregate interface at the microscale has been formed.