Results 171 to 180 of about 21,816,540 (217)
Performance of reinforced concrete columns with reduced steel ratios strengthened by hybrid FRP/steel and high-strength concrete systems. [PDF]
Sci RepGhalla M +5 more
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New development of ultra-high-performance concrete (UHPC)
Composites Part B: Engineering, 2021 Abstract Ultra-high-performance concrete (UHPC) is a type of cement-based composite for new construction and/or restoration of existing structures to extend service life. UHPC features superior workability, mechanical properties, and durability compared with conventional concrete.
Yi Bao, Hani Nassif, Pengwei Guo
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Ultra high performance concrete (UHPC) sleeper: Structural design and performance
Engineering Structures, 2020Abstract Both structural and material performance of railway sleepers are critical to ensure the safety of railway track structures. In this study, for the first time, ultra high performance concrete (UHPC) is adopted to the post-tensioning type of sleeper to prolong design life and reduce the maintenance of sleepers.
Younghoon Bae, Sukhoon Pyo
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Study on dimensional stability of ultra-high performance concrete (UHPC) [PDF]
, 2020 Ultra-high performance concrete (UHPC), a new cement-based material, has character of superior mechanical properties and excellent durability. Especially, it possesses compressive strength higher than 150 MPa, which is approximately 3 times as that of conventional concrete. UHPC is nearly impermeable to carbon dioxide, chlorides and sulphates.
Wu, Linmei
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Autoclaving of ultra‐high performance concrete (UHPC)
ce/papers, 2018AbstractBy the combination of an optimized granulometry, a reduced water–cement ratio and the use of superplasticizers ultra‐high performance concrete achieves a compressive strength of over 150 N/mm2 and a high resistance regarding acids and water‐soluble salts.
Julia von Werder +5 more
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Structural Members Made of Ultra-High- Performance Concrete (UHPC)
2020 Advances in Science and Engineering Technology International Conferences (ASET), 2020Dubai is one of the fastest growing cities in the world. Construction industry has been in quest to meet this growth. High performance concrete has been of a great interest to the construction industry. In this research different design mixes were tried to produce concrete of ultra-high performance (UHPC).
Adel Al Wazeer, Elgaali Elgaali
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Acid Resistance of Ultra High-Performance Concrete (UHPC)
2015Based on the knowledge of the deterioration mechanisms of different acid solutions the performance of UHPC – amongst others – in different acid environments was comparatively tested. The interconnection between the acid solutions and UHPC was examined by pH-value measurements, light microscopy (LM), scanning electron microscopy with energy dispersive X-
Andreas Koenig, Frank Dehn
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Guidelines for the Use of Ultra-High-Performance Concrete (UHPC) in Precast and Prestressed Concrete
2022Ultra-high-performance concrete (UHPC) is a high-strength, high-durability composite material consisting of a cementitious matrix with high-performance-fiber reinforcement. This publication provides a practical guide for the development and qualification of UHPC mixtures based on locally available materials.
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Nanomaterials in ultra-high-performance concrete (UHPC) – A review
Cement and Concrete Composites, 2022Doo-Yeol Yoo +2 more
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