摘要
运用现代土力学概念，对库仑土压力理论在实际应用中，特别是在粘土中的应用，存在的若干观念模糊的问题进行比较深入的剖析。这些问题主要包括；在计算侧压力时，应该水土合算还是水土分算；应该考虑墙前后的修水压力还是考虑渗流力；如何合理地选用土的强度指标；利用互相匹配的不同强度指标能否得到相同的土压力值；考虑土的凝聚力时，是否会在地面附近的墙土之间引起拉应力；如何考虑卸载对于土压力的影响等。
There are some problems in the practical application of Coulomb's theory to calculate the earth pressure especially in it application to the cohesive soils. For instance, whether the earth pressure and water pressure should be calculated separately or integrally, and the hydrostatic pressure of seepage pressure should be considered, how to select the strength parameters of soils reasonably, whether the values of earth pressure predicted with different but matched strength parameters would be equal or unequal to each other, what are the effects of cohesion of soil and unloading on the earth pressure, etc. These problems can be now discussed more decently than ever with the help of modern soil mechanics.
出处
《港工技术》
北大核心
1999年第2期31-38,共8页
Port Engineering Technology
关键词
库仑土压力
静水压力
渗流力
强度指标
coulomb's theory of earth pressure, calculation retaining structure, pit support, strength
