某一穿过自重湿陷性含卵石的极密砂层的高承台桩,有关土性参数及深度值如题3-7表所示。当地基严重浸水时,试按《建筑桩基技术规范》(JGJ 94—2008)计算负摩阻力产生的下拉荷载Q n g 值(计算ξ n =0.3,η n =1.0,饱和度为80%时的平均重度为18kN/m 3 ,桩周长u=1.884m,下拉荷载累计至砂层顶面)。
【单选题】Tripp runs a product development division at a software company. His division was focused on producing a word processing software that performs better and has more features than any competitive produc...
【简答题】Ex.12 Read the following paragraph and identify the signal word that the writer uses to indicate the importance of note-taking. 阅读以下段落,找出作者用来记笔记重要性的信号词。 Note-taking is very important for college stude...