Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 239 for “"Cementitious"”.
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Microwave curing of cementitious materials
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1993.
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Mechanical behavior of cementitious foams
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil Engineering, 1991.
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Mechanics of fiber reinforced cementitious composites
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1989.
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Sustainable cementitious materials for building and sorption applications
… for specific applications. Two sustainable cementitious materials that are frequently researched as an alternative to OPC are calcium sulfoaluminate (CSA) cement and alkali-activated materials (AAMs). CSA cement lowers CO<sub>2</sub> emission by over 40% compared to OPC, and it is …
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Verifying the Calcium Oxychloride Threshold in Cementitious Pastes
… deicing salts and calcium hydroxide in the cementitious matrix. Currently, the accepted CAOXY threshold at which deterioration is mitigated in cementitious paste is 15 g/100 g paste (15 oz/100 oz paste); however, this limit was developed using flexural strength testing. For this …
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Quantitative assessment of self-healing in cementitious systems
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01
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Biomimetic vascular self-healing systems for cementitious materials
… Most of infrastructure is made out of cementitious materials. But, the fact is, they all crack, no matter how carefully they are stored or reinforced. Most of the damaged cementitious structures will end up being replaced and reconstructed. To address this national critical challenge, …
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Reactivity of crystalline slag phases in cementitious systems
… alkaline solutions such as those relevant to cementitious systems
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The Evaluation of Permeable Cementitious Media for Nutrient Removal
… utilized to fundamentally characterize permeable cementitious media for the removal of nitrate-nitrogen and orthophosphate-phosphorus. Batch reactor tests were used to determine nitrate and orthophosphate removal and retention for five permeable reactive concrete mixtures. Additionally, fixed-bed …
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Cementitious stabilization of soils in the presence of sulfate
… and air. Molds were prepared with 5% to 20% cementitious material. The cementitious materials were Type I Portland cement, lime, and supplementary cementing materials (SCM) such as granulated blastfurnace slag (BFS), Class C fly ash (CFA), and an amorphous silica (AS). The expansion of the …
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Monitoring Early Age Cementitious Materials Using Ultrasonic Guided Waves
… times and compressive strength of early age cementitious materials can be monitored using ultrasonic guided waves.
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Raman imaging of cementitious carbonation: A spatio-temporal investigation
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-08-01
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Ductility enhancement of high performance cementitious composites and structures
High performance cementitious composites (HP2C) are a new generation of fiber reinforced cementitious composites (FRCC) with substantial improvements in mechanical behavior. The most important development in these HP2C materials may be the nearly elasto-plastic ductile behavior, which allows safe …
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High-performance carbonatable cementitious systems: novel materials and processing methods
Production of carbonatable cementitious materials (CCMs) using mineral carbonation has been considered one of the sustainable approaches for addressing the anthropogenic CO2 emissions because of their potential to absorb environmental carbon dioxide (CO2) to form stable, durable, and …
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Performance of phase change cementitious composites with self-heating capacity
Energy consumption remains a global challenge, with the construction sector being a significant contributor. Phase Change Materials (PCM) are introduced in construction to store heat energy and regulate temperature, reducing the reliance on air conditioners. Concrete is an ideal carrier for PCM, …
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Multi-functional applications of graphene related materials in cementitious composites
Cementitious composites are the most widely used construction materials with 4.1 billion tonnes of cement being produced globally in 2017. However, cement production is associated with ~7% of the total global anthropogenic CO2 emissions. Moreover, concrete structures suffer from poor durability, …
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Aqueous reactivity of glassy industrial byproducts in alternative cementitious systems
… preserving final product attributes expected of cementitious binders. Research and industry have both focused primarily on metakaolin and IBs such as blast furnace slag and coal fly ash as supplementary and alternative cementitious precursors.
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Design and Properties of Cementitious Materials Substituted by Recycled Waste Aggregates
L'abstract è presente nell'allegato / the abstract is in the attachment
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Micro-Mechanics Based Representative Volume Element Modeling Of Heterogeneous Cementitious Materials
… of the effective elastic properties of cementitious materials through a voxel based FEA approach. Voxels are generated for a heterogeneous cementitious material (Type-I cement) consisting of typical volume fractions of various constituent phases from digital microstructures. The …
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