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An important way to improve concrete performance is the use of alkali-resistant glass fibers (ARGFs) as reinforcement. This paper is based on the problems of the cracking of the partition wall and lining seepage in Laoshan Tunnel, Qingdao, China. Two types of ARGFs were selected as reinforcement materials for the partition wall and lining concrete high dispersion (HD) and high performance (HP); and the compressive strength (CS), tensile strength (TS), flexural strength (FS), and impervious performance (IP) of concrete with different grad

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PURPOSE The Marx Activity Rating Scale (Marx Scale) is a commonly used activity-related patient-reported outcome which evaluates the highest activity level within the last year, whereas the Hospital for Special Surgery Pediatric Functional Activity Brief Scale (HSS Pedi-FABS) assesses highest activity level within the last month. This study aims to determine whether the different timeframes used for the common items of Marx Scale and HSS Pedi-FABS affect scores, and if so, to determine whether age or injury status affect this diffe