This general form leads to the unification of coulomb ' s earth pressure theory and rankine ' s earth pressure theory , and makes the classical earth pressure theory to consummate , and enables the computation for retaining wall ' s engineering design to be more convenient 一般形式的提出,使朗肯土壓力理論和庫倫土壓力走向統(tǒng)一,使經(jīng)典土壓力理論得以完善,使擋土墻工程設(shè)計時的計算更加便捷。