根据BP网络的基本原理，建立了隧道锚喷支护设计的神经网络模型。
The paper establishes neural network model of bolt shotcrete support design in tunnel based on the theory of BP network.
盾构隧道。管片。地下铁道。现场试验。模型试验。设计荷载。
Shield Tunnel. Segment. Metro. Field test. Model test. Designing Load.
本文针对高跨比较小的三车道公路隧道，结合某工程设计的支护结构体系进行了模型试验研究，并进行了必要的有限元计算分析。
In this paper, by the model test, authors study some design of support structure system with three-lane road tunnel of small-scale and high-span.
利用该人工神经元网络模型，在具体的公路隧道仰坡设计中进行应用，并可以在施工过程中进行随地质条件变化的动态控制设计，进一步完善该网络模型。
The ANN model is applied in the real tunnel designs and the model is use in the building process so the network can be made perfect.
以地表最大允许沉降值作为目标控制值，设计了一个用于制定隧道工程环境影响控制策略（施工技术措施）的动态优化模型。
With the allowable maximum ground settlement as target value, a dynamic optimization model is designed to draw up the strategy(technical measures) controlling the effect of tunnelling on environment.
以地表最大允许沉降值作为目标控制值，设计了一个用于制定隧道工程环境影响控制策略（施工技术措施）的动态优化模型。
With the allowable maximum ground settlement as target value, a dynamic optimization model is designed to draw up the strategy(technical measures) controlling the effect of tunnelling on environment.
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