通过比较《铁路桥涵地基和基础设计规范》与《European Committee for Standardization》(欧洲规范)桩基承载力计算方法的异同点,并依托京沪高速铁路北京至徐州段的桩基静载试验及地质勘察资料,提出一种基于铁路桥涵规范的桩基设计计算...通过比较《铁路桥涵地基和基础设计规范》与《European Committee for Standardization》(欧洲规范)桩基承载力计算方法的异同点,并依托京沪高速铁路北京至徐州段的桩基静载试验及地质勘察资料,提出一种基于铁路桥涵规范的桩基设计计算方法,以直接得到欧洲规范设计值的近似值,解决了中方和外方设计结果相差较大的问题。展开更多
The role of taxation in promoting economic recovery has attracted great-er attention in recent years,with economic dislocation following the Global Financial Crisis and the COVID-19 pandemic.While taxation is only one...The role of taxation in promoting economic recovery has attracted great-er attention in recent years,with economic dislocation following the Global Financial Crisis and the COVID-19 pandemic.While taxation is only one of the factors impacting economic recovery,both economic literature and practical experience show that tax policy can contribute to enhanced growth and therefore greater economic activity.Tax instruments used as a means for promoting economic recovery include tax holidays,preferential tax rates,investment allowances,tax credits and special economic zones.However,there are a range of constraints over tax incentive design imposed by bodies such as the OECD/G20 Inclusive Framework on Base Erosion and Profit Shifting,the Forum on Harmful Tax Practices of the OECD and the Code of Conduct on Business Taxation of the European Union.Given the above,this paper sets out practical issues to inform governments seeking to promote economic activity through taxation.展开更多
输电线路杆塔对气象条件十分敏感,很多情况下风荷载和冰荷载是设计的主要控制荷载。随着"一带一路"倡议带来的海外工程的增多,准确把握欧洲规范关于气象条件的取值是杆塔设计的关键一步。对欧洲常用的输电线路设计规范BS EN 5...输电线路杆塔对气象条件十分敏感,很多情况下风荷载和冰荷载是设计的主要控制荷载。随着"一带一路"倡议带来的海外工程的增多,准确把握欧洲规范关于气象条件的取值是杆塔设计的关键一步。对欧洲常用的输电线路设计规范BS EN 50341,IEC 60826进行研究,并与我国的输电线路设计规范GB 50545进行对比,揭示了欧洲规范气象条件取值的特点,结果可作为输电线路杆塔设计的参考。展开更多
文摘通过比较《铁路桥涵地基和基础设计规范》与《European Committee for Standardization》(欧洲规范)桩基承载力计算方法的异同点,并依托京沪高速铁路北京至徐州段的桩基静载试验及地质勘察资料,提出一种基于铁路桥涵规范的桩基设计计算方法,以直接得到欧洲规范设计值的近似值,解决了中方和外方设计结果相差较大的问题。
文摘The role of taxation in promoting economic recovery has attracted great-er attention in recent years,with economic dislocation following the Global Financial Crisis and the COVID-19 pandemic.While taxation is only one of the factors impacting economic recovery,both economic literature and practical experience show that tax policy can contribute to enhanced growth and therefore greater economic activity.Tax instruments used as a means for promoting economic recovery include tax holidays,preferential tax rates,investment allowances,tax credits and special economic zones.However,there are a range of constraints over tax incentive design imposed by bodies such as the OECD/G20 Inclusive Framework on Base Erosion and Profit Shifting,the Forum on Harmful Tax Practices of the OECD and the Code of Conduct on Business Taxation of the European Union.Given the above,this paper sets out practical issues to inform governments seeking to promote economic activity through taxation.
文摘输电线路杆塔对气象条件十分敏感,很多情况下风荷载和冰荷载是设计的主要控制荷载。随着"一带一路"倡议带来的海外工程的增多,准确把握欧洲规范关于气象条件的取值是杆塔设计的关键一步。对欧洲常用的输电线路设计规范BS EN 50341,IEC 60826进行研究,并与我国的输电线路设计规范GB 50545进行对比,揭示了欧洲规范气象条件取值的特点,结果可作为输电线路杆塔设计的参考。
