美利体育登录入口官网:DIN EN 1998-5/NA:2011 国家附录.国家制定参数.欧洲规范8:构筑物抗震设计.第5部分:基础,挡土结构和岩土问题
National Annex - National determined parameters - Eurocode 8: Design of structures for earthquake resistance - Part 5: Foundations, retaining structures and geotechnical aspects