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一绪言地震时主动土压力的计算式中,物部·冈部公式被采用的事是众所周知的。但是,在这个公式中没有考虑粘聚力的影响。这个问题,物部·冈部公式1),2)在以计算作用于陡壁上地震时土压力为目的的问题上,也许被提出过。反正,就一般土的情况和通常的挡土墙的地震时土压力而言,希望考虑粘聚力的影响。关于这种理论性的研究成果有2、3篇3)、4),但是想根据实验的东西弄清这方面的结果,有种种难处。即:就粘聚力而言,有必要采用超高限墙高的模型挡土墙;并采用具有均
In the formula for calculating the active earth pressure during the earthquake, it was well known that the formula of Mori and Okabe was adopted. However, the influence of cohesion is not considered in this formula. This problem may have been raised in the matter of the Ministry of Objects and Mines formula 1) and 2) for the purpose of calculating the earth pressure acting on earthquakes on steep walls. In any case, considering the general soil conditions and the earth pressure at the time of earthquake in a conventional retaining wall, it is desirable to consider the influence of cohesion. There are 2, 3, 3, 4) about this theoretical research result, but there is a lot of difficulty in trying to clarify the result of this in terms of experimentation. That is, in terms of cohesion, it is necessary to use a model retaining wall with an ultra-high wall height;