1) three-step core-soil method
三台阶预留核心土法
1.
According to the geographic situation of the construction,the paper integrates the consideration on the safety,the quality,the process and the costs,adopts the three-step core-soil method to excavate and support by combining the temporary inverted arch and the fan support,and also gives an introduction on the construction points.
根据工程的地质情况,综合安全、质量、进度、成本各方面因素考虑,采用了三台阶预留核心土法联合临时仰拱、扇形支撑进行开挖支护,对其施工技术要点作了叙述,通过施工效果评价,表明该施工方法是科学合理、安全有效的。
2) performed core-soil sidesteps
预留核心土台阶法
3) bench reservation core soil
正台阶预留核心土法
1.
By comparison and selection of Laoshan Tunnel of Ninghuai Expressway, this paper put emphasis on the application of bench reservation core soil in the Laoshan Tunnel.
本文介绍了老山隧道采用正台阶预留核心土法圆满完成大断面软弱围岩段施工,取得了良好的经济效益和社会效益,可供类似性质工程借鉴。
5) bench cut method of keeping core soil
正台阶核心土法
补充资料：三台
三台
santai
三台(saotai)针灸穴名。出《抱犊粼》。牛即.甲穴。绪位于第二、三脚稚棘突间的凹陷处正中，一穴。皮下有斜方肌、葵形肌起始胜及项韧带，棘突间为棘间韧带、棘间肌，有肋间动、静脉和第二脚神经的背侧支分布。老针、圆利针或小宽针向前下方刺入3~5厘米。主治前肢和项脊风湿。(张泉鑫)
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参考词条