查詢結果分析
來源資料
頁籤選單縮合
題 名 | 箱子大小對於一次最大可承受抬舉重量之效應=Effect of Box Size on One-Time Maximum Acceptable Weight of Lift |
---|---|
作 者 | 吳水丕; | 書刊名 | 技術學刊 |
卷 期 | 11:2 1996.06[民85.06] |
頁 次 | 頁245-250 |
分類號 | 412.78 |
關鍵詞 | 人工物料搬運; 抬舉能力; 心物法; Manual materials handling; Lifting capacity; Psychophysics; |
語 文 | 中文(Chinese) |
中文摘要 | 人工物料搬運,特別是抬舉作業方面已被證實為下背傷害和索賠事件的主要原因之一,而在致力於降低下背傷害以提高工業生產力方面,基於人因工程原則的工作設計和人員篩選已被證實相當有效。其理論根據在於人們因過度施力而造成的下背傷害,係肇因於個人的肌力無法與工作需求相互配合;也因此,如何建立一個工作群體的抬舉能力資料庫便相當的迫切需要。本研究的主要目的在於使用心物法就地面到指節高的抬舉作業,由41位男性受試者,針對三種大小不同的箱子 (矢狀面為30、45和60cm) 來決定一次最大可承受的抬舉重量。結果發現:箱子大小對於受試者可以承受的抬舉重量有顯著的效應,且與箱子大小呈反比例的下降;此外,由於國人體格比西方人矮小,所以在使用大箱子搬運時,其抬舉能力下降的百分比遠比西方民族為高(7%-12%);也因此,政府或業者在規劃人工物料搬運活動時,必須慎重考慮箱子大小對於國人的效應,而不可盲目引進國外的搬運設備或只參考國外的研究資料。 |
英文摘要 | Manual handling and lifting are a major cause of work-related low back pain and impairment. In the effort to reduce back injuries caused by lifting task, ergonomic job design and preemployment strength testing have been found to be significantly more effective. The basic premise for these two approaches is that overexertion injuries occur due to a mismatch between the strength abilities of the workers and the strength demand of their jobs. For ergonomic job design to be successful, a comprehensive data base dealing with the physical capabilities and limitations of the workers is needed. The purpose of this study is to determine the MAWLs of infrequent lifting task with three different box sizes from floor to knuckle height by means of using the psychophysical approach to 41 male college students as subjects. The result showed that the MAWLs are significantly affected by box size, and the Chinese subjects have a smaller MAWLs compared with the Occidental populations. It is believed that these datum will be useful to establish the population capacity norms of National Standard of MMH activities. |
本系統中英文摘要資訊取自各篇刊載內容。