Strength design of ancient canal boat is studied based on direct design method.
采用直接设计法对运河漕舫的首部结构进行了强度设计。
The method of toughness test such as Direct Crack Measurement and Indentation Strength by Bending etc. Are also introduced.
介绍了直接压痕法、弯曲压痕强度法等几种韧性测试方法。
The study about the direct tensile strength of cement based material with this test method need to be elucidated further analysis.
采用本试验方法对水泥基材料直接拉伸强度的系统测试有待进一步研究。
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