Surcharge preloading combined with vacuum preloading is an effective method for soft soil consolidation.

真空堆载联合预压法是地基处理有效方法之一。

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According to the effective stress principle, this paper discusses the mechanism of vacuum preloading and surcharge preloading to improve soft foundation.

根据有效应力原理，分析了真空预压和堆载预压加固软基的基本原理。

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There are certain laws for the pore pressure change and the effective stress rising to treat soft soil foundation with surcharge preloading method.

堆载预压加固方法在加固过程中土体孔隙水压力的变化以及有效应力的增长都有特定的规律。

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Chidambaram, while announcing the federal budget for the financial year starting April 1, proposed a so-called surcharge that would push the effective income-tax rate for a select group of taxpayers to about 34% from the current 30.9%, according to tax experts.

WSJ: India Plans to Impose a New Tax on the Rich

The White House says that if a millionaire household's effective tax rate falls below 30%, it would have to pay a surcharge in essence a new Super Alternative Minimum Tax to bring the tax liability to 30%.

WSJ: Review & Outlook: The Buffett Ruse