国外一篇论文，探讨洞室开挖对建筑物的潜在危害。

1 Using a scientific calculator 1 1.1 Introduction 1 1.2 Keys of a scientific calculator 1 2 Numbers 8 2.1 Introduction 8 2.2 History of numbers 8 2.3 Positive numbers, negative numbers and integers 9 2.4 Prime and composite numbers 10 2.5 Square nu

PFC和FLAC耦合的SCI文章，This study investigated earth pressure balance (EPB) shield tunneling–induced responses in terms of muck pressure, machine parameters, and surface settlements using an efficient numerical scheme that couples PFC3D and FLAC3D software