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本文对现行的各种规范采用的地基承载力计算方法与经典临界荷载作了分析对比 ,认为不分土类特性而采用的统一限制塑性区开展极大深度 Zmax=14 B的习惯作法是不合理的。文中提出按限制塑性区开展比例未确定临界荷载 ,经与国标推荐公式验证 ,原则上是方便可行的。
This paper analyzes and compares the existing calculation methods of foundation bearing capacity with those of classical critical load. It is considered that it is unreasonable to conduct Zmax = 14 B with unified limit plastic zone of. It is proposed in this paper that the ratio of undetermined critical load to the plastic zone is validated in accordance with the recommended formula of national standard, which is in principle convenient and feasible.