rise of bottom meaning in Chinese

船底斜度

This paper focuses on a discussion of following issues through a combined of theoretical analysis and numerical calculation , and of theory - oriented , engineering analogy , experience and quantitative test . the stability analysis of slopes of deep foundation pit ; checking caculation of tensile breaking limiting condition of soil - nailing , grouting nail sheath anchored limit condition , rising of bottom of foundation pit and piping . measures are proposed for applying this method to slit stratification in disadvantage geologic
本文介绍了土钉支护技术的发展及作用机理，并结合工程实例，采用以理论为基础，重点研究探讨了土钉支护在深基坑边坡稳定分析、土钉抗拉断裂极限状态验算、整体稳定性验算、注浆钉包裹体锚固极限状态验算、基坑底隆起验算、抗管涌验算等方面设计计算方法，并提出了在其它不利地质环境中采用土钉支护应采取相应的措施。