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海冰摩擦系数是冰荷载计算中的一个参量,为满足工程设计需要,1993年1月对黄河口滨海平整冰与几种材料进行了系列摩擦试验。文中介绍了试验内容和方法。试验结果说明,正压荷载对摩擦系数的影响与试验材料的相对粗糙度有关;拖拽速度对动摩擦系数无影响;冰温对摩擦系数的影响具有规律性,摩擦系数在-5℃时最大,冰温试验结果可用润滑摩擦、干摩擦和冰内盐水体积的理论得到解释。
The friction coefficient of sea ice is a parameter in the calculation of ice load. In order to meet the needs of engineering design, a series of friction tests were conducted on the flat ice of the Yellow River estuary in January 1993 with several materials. The article describes the test content and methods. The test results show that the influence of positive pressure load on the friction coefficient is related to the relative roughness of the tested materials. The drag velocity has no effect on the dynamic friction coefficient. The influence of ice temperature on the friction coefficient is regular. The friction coefficient is the largest at -5 ℃, The ice temperature test results can be explained by the theories of lubrication friction, dry friction and brine volume in ice.