This memorandum, which is complementary to earlier experiments on wheelbarrows, describes the characteristics of wheelbarrows, the mechanics of their use, various aspects of their design, and features of wheelbarrow working, all with particular reference to the task of haulage in civil construction. In addition, relationships for estimating productivity using wheelbarrows are presented, based on a simple theoretical work cycle calibrated using the...
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详细
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1975/10/31
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工作文件
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UNN299
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1
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1
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2017/12/16
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Disclosed
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World Bank study of the substitution of labor and equipment in civil construction : the use of wheelbarrows in civil construction
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Wheelbarrows