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He, S. (author), Liang, M. (author), Yang, En-hua (author), Schlangen, E. (author)The properties of the interfacial transition zone (ITZ) between microfiber and cement-based matrix are of primary significance for the overall behavior of strain hardening cementitious composites (SHCCs). However, due to the relatively small diameter of polymeric microfibers (e.g., PVA fiber), it is technically difficult to obtain...book chapter 2023
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Li, K. (author), Wolf, K.H.A.A. (author), Rossen, W.R. (author)Foam is applied in enhanced oil recovery to improve the sweep of injected gas and increase oil recovery, by greatly reducing the mobility of gas. In the laboratory, X-ray computed tomography is commonly used to evaluate the performance of foam in core plugs. However, foam properties, such as bubble size and capillary pressure, are much more...journal article 2022
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- Goedmakers, C.M.W. (author), Pereboom, L. M. (author), Schoones, J. W. (author), de Leeuw den Bouter, M.L. (author), Remis, R.F. (author), Staring, M. (author), Vleggeert-Lankamp, C. L.A. (author) review 2022
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Guo, Y. (author), Jing, Guoqing (author), Markine, V.L. (author)Railway ballast is normally made of crushed rocks with grading (particle size distributions). Ballast is inevitably suffering from more rapid degradation. Because ballast keeps undergoing and dissipating most of the train loadings, furthermore, the train speed and freight weight are increasing, causing more intensive loadings to ballast. To...book chapter 2022
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Pei, R. (author), Vicente-Venegas, Gerard (author), van Loosdrecht, Mark C.M. (author), Kleerebezem, R. (author), Werker, A. (author)Polyhydroxyalkanoate accumulation experiments at pilot scale were performed with fullscale municipal waste activated sludge. Development of biomass PHA content was quantified by thermogravimetric analysis. Over 48 h the biomass reached up to 0.49 ± 0.03 gPHA/gVSS (n=4). Samples were processed in parallel to characterise the distribution of...journal article 2022
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Fritz, Arnout (author)With the ever-increasing demand for a more efficient production process, the thickness of silicon wafers for the solar cell industry has shown a decreasing trend over the years. This makes the substrates more and more fragile, with an increasing breakage rate as a result. Research at the TU Delft has been done on contactless handling, using air...master thesis 2021
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Chen, Y. (author), Copuroglu, Oguzhan (author), Romero Rodriguez, C. (author), França de Mendonça Filho, F. (author), Schlangen, E. (author)For many 3D printed cementitious materials, air voids may play a dominant role in the interlayer bond strength. However, to date, far too little attention has been paid to reveal the air void characteristics in 3D printed cementitious materials. Therefore, to fill this gap, this study attempts to provide an example of systematically...journal article 2021
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Qiu, Xiujiao (author), Chen, J. (author), Deprez, Maxim (author), Cnudde, Veerle (author), Ye, G. (author), De Schutter, Geert (author)The microstructure of alkali-reactive aggregates, especially the spatial distribution of the pore and reactive silica phase, plays a significant role in the process of the alkali silica reaction (ASR) in concrete, as it determines not only the reaction front of ASR but also the localization of the produced expansive product from where the...journal article 2021
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Zhang, W. (author), Askarinejad, A. (author)Submarine slope instabilities are considered one of the major threats for offshore buried pipelines. This paper presents a novel method to evaluate the ultimate pressure acting on a buried pipeline during the liquefaction of an inclined seabed. Small-scale model tests with pipes buried at three different embedment ratios have been conducted...journal article 2021
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Zhang, W. (author)The assessment of the potentially destructive impacts of subaqueous landslides on offshore pipelines is required when the pipeline route passes through zones with a risk of mass movements. Therefore, quantifying and evaluating the ultimate load/pressure acting on the pipeline is one of the key factors in geotechnical safety design of the...doctoral thesis 2020
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Bekkers, Casper (author)A method is developed to automatically analyze over 200000 images of a single mature tree. This method is assessed and applied to a tree located at Risø in Roskilde, Denmark, next to two meteorological masts. Image aspects such as the surface area and the center of area are extracted from the images and they are related to the wind statistics....master thesis 2020
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- Schutte, M.W. (author) bachelor thesis 2020
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Wong, H.S. (author), Poole, A.B. (author), Wells, B. (author), Eden, M. (author), Barnes, R. (author), Ferrari, J. (author), Fox, R. (author), Yio, M.H.N. (author), Copuroglu, Oguzhan (author)Water to cement (w/c) ratio is usually the most important parameter specified in concrete design and is sometimes the subject of dispute when a shortfall in concrete strength or durability is an issue. However, determination of w/c ratio in hardened concrete by testing is very difficult once the concrete has set. This paper presents the...journal article 2020
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van Beek, Gregory (author)In budding yeast, a certain concentration of the GTPase Cdc42 is optimal for cell division. This optimal concentration depends on the phenotype and genetic background of the cells. Due to bet hedging, the Cdc42 concentration is different between cells in a population and it is expected that the concentration, measured for many cells, is gamma...master thesis 2019
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Guleria, Tavishi (author)Many rapidly expanding cities around the world including India’s capital New Delhi face increasing potable water quality and health risks due contaminated open drains carrying the cities untreated wastewater into the adjoining river, which is also the city’s water source. To tackle this problem in a practical and holistic way, innovative...master thesis 2019
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Smilde, Elsemiek (author)Danieli Corus supplies tailor-made solutions for the global steel industry. Cameras are used in tuyeres of blast furnaces to detect physical aspects and irregularities. No operator could monitor those videos all day, which is why video analyses are needed. A program is written to analyse a test video and give information about the temperature,...bachelor thesis 2019
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Waheed, Atif (author)Blasting and drilling serves as an essential element for a mining operation to excel. Optimization of this operational aspect, requires consideration of various parameters that can be controllable or uncontrollable. To overcome the tediousness of analyzing each element selectively, some major parameters are outlined, and each blast is rendered...master thesis 2019
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Guo, Y. (author), Markine, V.L. (author), Zhang, X. (author), Qiang, Weile (author), Jing, Guoquig (author)The performance and deformation of ballast bed are significantly influenced by the particle morphology (size and shape), the rheology (translation and rotation), and the degradation (breakage and abrasion). Regarding the ballast particle morphology, the ballast particle size is generally measured by sieving and described with the Particle Size...review 2019
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Guo, Y. (author), Markine, V.L. (author), Song, Jianing (author), Jing, Guoqing (author)Ballast track is the most widely used track for the railway transport, and ballast bed plays a significant role to provide resistances during train operation. Generally, the ballast bed consists of crushed stones. To achieve the mitigation of ballast degradation, the first priority is to describe the degradation development and to study its...journal article 2018
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Chavarrias Borras, V. (author), Blom, A. (author), Orru, C. (author), Martín-Vide, Juan Pedro (author), Viparelli, Enrica (author)Laboratory experiments were conducted on a sand-gravel Gilbert delta to gain insight on its dynamics under varying base level. Base level rise results in intensified aggradation over the topset, as well as a decrease in topset slope and topset surface coarsening, the signals of which migrate in an upstream direction. Preferential deposition...journal article 2018
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