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Shiquan Li, Yu Chen, Can Tang, Jinyuan Wang, Ronggui Liu and Haojie Wang
Carbonization coefficient research has great significance in concrete carbonization evaluation. Nano-silica (NS) can reduce the content of Ca(OH)2, which is generated during the hydration of concrete, resulting in improved carbonization resistance and co...
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Vijayalakshmi Ramalingam, Kamalesh Ramesh, Madhankumar Duraipandi, Jayesh U, Selvam Kuppusamy
Pág. 83 - 92
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Sujeong Pyeon, Gyuyong Kim, Sangsoo Lee and Jeongsoo Nam
High-strength concrete (HSC) uses binders and microfillers with ultrafine particles, such as silica fume. The resulting dense internal hydration structure rapidly decreases HSC humidity, causing shrinkage cracks and affecting internal hydration. Herein, ...
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Tao He, Weiheng Xiang, Jian Zhang, Cheng Hu, Gaozhan Zhang and Bin Kou
To prepare lightweight ultra high performance concretes used in the large-span and super-tall structure engineering fields, the effects of water-binder ratio on the mechanical performances, hydration products, and microstructure of the arched shell inter...
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Xiulian Yang, Shihua Liang, Zhenkun Hou, Deluan Feng, Yao Xiao and Shizong Zhou
To improve the poor characteristics of low strength and high compressibility of weak silty soil, a series of samples with different cement dosage, fiber content, and fiber length was prepared in this experiment, and unconfined compressive strength (UCS) ...
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Nilo Cesar Consoli, Jordanna Chamon Vogt, João Paulo Sousa Silva, Helder Mansur Chaves, Hugo Carlos Scheuermann Filho, Eclesielter Batista Moreira and Andres Lotero
Failures of tailings dams, primarily due to liquefaction, have occurred in Brazil in recent years. These events have prompted the Brazilian government to place restrictions on the construction of new dams, as iron ore tailings deposited behind upstream d...
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Xishuang Jing, Siyu Chen, Jiuzhi An, Chengyang Zhang and Fubao Xie
This study was to solve the mandrel demolding problem after curing the composite component with complex structure. In this paper, a reusable thermoplastic mandrel with heating softening characteristics was developed by resin transfer molding (RTM). The g...
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Zhenming Li, Xingliang Yao, Yun Chen, Tianshi Lu and Guang Ye
Alkali-activated slag and fly ash (AASF) materials are emerging as promising alternatives to conventional Portland cement. Despite the superior mechanical properties of AASF materials, they are known to show large autogenous shrinkage, which hinders the ...
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Antarinia Craciun, Ioana B?ldea, Ana Ispas, Mîndra Eugenia Badea, Ioan Petean, Codruta Sarosi, Marioara Moldovan, Stanca Cuc, Razvan Ene and Maria Crisan
The purpose of this study was to evaluate the surface and in vitro cytotoxicity on human dysplastic oral keratinocytes (DOK) of four commercial resins-based dental composites commonly used in prosthodontics dental therapies: two indirect composites for c...
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David O. Nduka, John O. Ameh, Opeyemi Joshua and Rapheal Ojelabi
Self-cured concrete is a type of concrete with a special ability to reduce autogenous shrinkage responsible for early-stage cracking. It is useful generally for the construction of high rise buildings and bridges. The application and use of this techniqu...
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