• 铅锌矿矿石品位,且面临资源匮竭

    The Mengxing Pb Zn deposit with low ore grade and deep buried is facing the situation of resources exhausted.

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  • 矿床16线矿体水文地质特点地下水、承压性

    The specific feature of the 16th section line ore body of a deposit is deep water table and low confined aquifer.

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  • 冬瓜矿体,因而存在应力并且应力不均衡

    There are high and uneven stresses in the orebody of Dongguashan Mine due to its deep occurrence.

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  • 高层建筑特点荷载基础,且一般基础宽度,多用桩基

    The characteristic of high building is load heavy, ground base buried deeply, base width big in common and usually using the pile foundation work.

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  • 、线路长的隧洞采用TBM施工,已成为国际上快速开挖隧洞主流

    TBM is commonly used for deep buried and long tunnels and becomes prevailing technique for tunnel excavation in international practices. The total length of No.

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  • 由于工程隧道,隧道中心上方土体主要发生沉降向前位移趋势

    Settlement and forward movement the soils above tunnel because of the large buried depth.

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  • 成都地铁体育馆工程基础地下水丰富技术难度防水要求标准

    The project of Chengdu Metro Stadium Station has high standards of waterproof engineering, because of its deep base, rich groundwater and big technical difficulties.

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  • 巷道因为埋深地质环境复杂因素,其变形规律一直工程技术人员关注问题。

    Deep level deformation rule is the focus of engineers paying attention to for its many factors, for example, great mining height, complex geologic environment, et al.

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  • 山下部分由于管道,位置不清楚,难以探测,建议伸出地面挖开其它探测

    The Down-hill Part: owning to the deep sunkage of the tunnels, it is hard to test; it's suggested that other tests should be made at the points where tunnels reach out of the ground.

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  • 第一辅助没有斜井竖井施工辅助洞采用全射流纵向通风第二辅助洞洞体长,洞断面

    First, there is no slope hole or silo, the auxiliary hole of construction adopts longitudinal ventilation only by jet Second, it belongs to deep buried hole, long body, little shape section.

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  • 首钢搬迁工程旋流直径基坑的开挖支护不仅确保边坡稳定而且要满足变形控制要求。

    The whirling well in Shougang moving engineering has large diameter and buried depth. Its excavation and supporting should keep slope stability and control deformation.

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  • 黄土高原地区由于地下水,该区植被发育主要依靠来自气降水入渗形成土壤水分,所以土壤水分多少是决定不同类型植被发育的最关键因素。

    As underground water buried deeply in Loess Plateau, the soil water from precipitation influx is the main source to the vegetation. The volume of soil water decides the kind of vegetation in the area.

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  • 采高强力液压支架针对神东煤田基岩特定地质条件而研制的一种高性能综采液压支架。

    The high mining height hydraulic support is designed for the special geologic condition of Shendong coalfield, such as shallow buried depth, thin bedrock and thick aeolian sand.

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  • 采高液压支架针对上煤层基岩特定地质条件而研制一种高性能综采液压支架。

    The high mining height hydraulic support is designed for the special geologic condition of Shangwan Coal Mine, such as shallow buried depth, thin bed rock and thick aeolian sand.

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  • 这些卵石层一般具有变形承载力厚度特点

    These sand gravels stratum have the characters of shallow cover, small transform, high bearing capability and big thickness.

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  • 同时,论述跨度隧道稳定性以及断面尺寸扁平隧道对稳定性的影响

    At the same time, the stability of big-span tunnel with influence factor such as section size, high-span ratio and depth is studied.

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  • 而当屏蔽平面上趋于无限而且埋深时,这时因进入异常电流很小,甚至趋于零,所以地面上观测不到异常体产生的磁异常。

    The high resistivity layer shall not be infinitely great or close to surface, otherwise the layer will prevent the current entering the anomaly body and no anomaly will be produced.

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  • 重力测井具有探测范围、受变化影响重复观测周期受目的层埋深限制优点

    Gravity log has such advantages as wide investigation range, small effect of caliper variation, short repeated observation cycle, no limit for depth of the interested zone.

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  • 尤其对于处于地应力的脆性围岩中的地下洞室,开挖时容易发生这种破坏

    Especially the deeply embedded caverns under high in situ stresses, they are more readily to appear longitudinal splitting cracks and even intense brittle deformation failure, like rock blast etc.

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  • 尤其对于处于地应力的脆性围岩中的地下洞室,开挖时容易发生这种破坏

    Especially the deeply embedded caverns under high in situ stresses, they are more readily to appear longitudinal splitting cracks and even intense brittle deformation failure, like rock blast etc.

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