The life - cycle of tunnel structure is composed of construction stage, serving stage and aging stage.

隧道结构生命全过程由施工期 、 使用期和老化期三个阶段构成.

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Based a method is presented to solve equivalent permeability tensor of rock mass during excavation.

该方法能够比较客观地确定施工期岩体的等效渗透张量.

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During the whole process of construction, the operational safty and rapacity of track must be guaranteed.

改建施工期内不影响正线运营安全, 也不降低通过能力.

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About mass concrete structures , owners, designers and contractors all interested in the temperature and thermal - creep - stress field.

大体积混凝土施工期温度场和应力场的分布是业主 、 设计方及承包商极为感兴趣的问题.

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The ground settlement of a shallow metro tunnel excavation has important effect on the construction safety.

浅埋暗挖地铁隧道施工期地表沉降量对施工安全具有重要意义.

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After taking some relieving measures , the influences of the construction project on the reserves are acceptable.

工程建设对保护区的影响主要是施工期的影响.

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To analyze regulations during construction , settlement monitoring hybrid model is presented based on genetic creep idea.

模型针对施工期填筑的特点,考虑了填筑进程及材料蠕变特性对沉降的影响.

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