【摘要】：目前國(guó)內(nèi)隧道一般采用的施工開(kāi)挖方法都是以新奧法為基礎(chǔ),新奧法在我國(guó)應(yīng)用理論和實(shí)踐均比較成熟,但是以新奧法為基礎(chǔ)的施工工法無(wú)法兼顧施工安全和施工速度和工程造價(jià),尤其是面對(duì)極為困難的應(yīng)力-應(yīng)變條件下的隧道施工的幫助不是很大。針對(duì)此種情況歐洲一些學(xué)者提出了新意法,該方法是建立在新奧法和圍巖自身壓力拱理論基礎(chǔ)上,其核心思想是先超前對(duì)巖體進(jìn)行分類(lèi)確定超前支護(hù)措施及參數(shù),調(diào)節(jié)超前核心土剛度和強(qiáng)度控制圍巖變形。新意法在工程造價(jià)和工期具有可控性,且具有更高的安全性,最早是運(yùn)用在歐洲一些國(guó)家的大型隧道項(xiàng)目設(shè)計(jì)中。但新意法在我國(guó)的隧道工程中運(yùn)用較少,理論和實(shí)踐不是很成熟,為了將新意法科學(xué)合理的推廣到我國(guó)的隧道建設(shè)中,本文主要介紹了新意法的基本原理及對(duì)國(guó)內(nèi)隧道工程中的應(yīng)用研究,得出了新意法較新奧法的優(yōu)越性。
[Abstract]:At present, the construction and excavation methods commonly used in domestic tunnels are based on the new Olympic method, and the application theory and practice of the new Olympic method in our country are relatively mature. However, the construction method based on the New Olympic method can not take into account the construction safety, construction speed and construction cost, especially in the face of extremely difficult stress-strain conditions of tunnel construction is not very helpful. In view of this situation, some European scholars put forward the new idea method, which is based on the theory of the new Austrian method and the pressure arch of surrounding rock itself. The core idea of the method is to classify the rock mass in advance to determine the measures and parameters of the advance support. The deformation of surrounding rock is controlled by adjusting the stiffness and strength of the core soil in advance. The new method has the characteristics of controllability and safety in the construction cost and construction period. It was first used in the design of large tunnel projects in some European countries. However, the new method is seldom used in the tunnel engineering in our country, and the theory and practice are not very mature. In order to extend the new meaning method to the tunnel construction of our country scientifically and reasonably, This paper mainly introduces the basic principle of the new meaning method and its application in the domestic tunnel engineering, and obtains the superiority of the new meaning method compared with the new Austrian method.
【作者單位】： 中車(chē)建設(shè)工程有限公司;
【分類(lèi)號(hào)】：U455.4

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