• According to probabilistic theory, load on drilling shaft lining is respectively modelized.

    根据概率理论,将作用于钻井井壁上的荷载分类模化。

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  • The research results have important guiding effect in optimized design of shaft lining structure.

    结果深立井井壁结构优化设计具有极为重要指导作用

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  • The internal force of the shaft lining section and its corresponding external load are determined by electrical measures.

    采用测法测量井壁面的内力与其相应的

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  • The shear strength between soil and structure interfaces in high stress is one of key research in shaft lining fracture theory.

    应力下土结构接触面强度研究当前井壁破裂理论研究关键之一

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  • The results of the study can be used as a reference for the design and application of retractable drilling shaft lining structure.

    研究成果可供可缩性钻井井壁结构设计应用参考

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  • The use of high strength concrete in shaft lining of depth soil might meet with the constructive need of frozen and boring shafts.

    高强混凝土用于深厚表土层立井井筒工程中,满足我国不断加深钻井冻结井筒建设需要

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  • After test the obtained data are treated and the bearing capacity of shaft lining and the stress condition of its structure are analysed.

    试验所得数据进行处理,并且分析了井壁承载能力井壁结构受力状态

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  • The problems of deformation for shaft lining are investigated under arbitrary axisymmetric normal loads and tangential loads with end loads.

    对有限长立井井壁任意轴对称、切向以及端面荷载的共同作用下的变形问题了分析研究

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  • A practical application shows that the grout pressure distribution around shaft lining and adjacent aquifers can be figured out by this model.

    实际工程应用表明这种模型揭示井筒及其附近浆液压强特点。

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  • The upper shaft lining of no. 1 blast furnace for smelting high TiO2 bearing vanadic titanomagnetite is repaired by forcing and gunning methods.

    冶炼高钛型钛磁铁矿高炉身上部进行压入喷补造衬。

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  • The non-linear stability problem occurred in the interior steel sheet of a steel-concrete composite bored shaft lining in coal mines is discussed.

    本文研究煤矿钻井法钻凿竖井钢板-混凝土复合井壁钢板非线性问题

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  • Through model experiments, the characteristics of stress and strength of the steel fiber reinforced high strength concrete shaft lining are studied.

    通过模型试验,对这种井壁结构力学特性破坏特征进行了深入研究

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  • Non-mining fracturing of shaft lining is a special engineering geologic hazard and is caused by interaction between mining and geological environment.

    立井井筒非采动破坏一种特殊类型工程地质灾害,是人类采矿活动地质环境相互作用的结果。

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  • The fracture of shaft lining is a special type of engineering geologic disasters and is caused by interaction between mining and geological environment.

    立井井壁破坏一种特殊类型工程地质灾害,是人类采矿活动地质环境相互作用的结果。

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  • Due to its convenience and economical efficiency, the high-strength concrete shaft lining has been widely used in deep shaft sinking by freezing method.

    冻结高强混凝土井壁作为一种施工方便经济井壁结构广泛得到应用。

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  • In the prevention techniques of fracture shaft lining in the Yellow and Huai River areas, the channeling of circular relieving slot is one of the key techniques.

    黄淮地区破裂井壁治理技术开切环形卸压关键技术之一

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  • Numerical simulation is used to study on the regularities of variation temperature field of a frozen shaft, which offer references for frozen shaft lining design.

    本文用数值计算方法研究井筒三圈冻结管冻结温度变化规律,获得了冻结温度场的变化规律,冻结设计提供了参考

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  • Aiming at the fractured mechanism of mine shaft lining under the condition of stratum subsiding, a new type of retractable drilling shaft lining structure was proposed.

    针对地层沉降条件煤矿立井井壁破坏机理提出一种新型可缩性钻井井壁结构

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  • On the basis of the analysis of shaft lining stress state and displacement state, proposed the back analytical method for determination of the elliptic load acting on shaft lining.

    分析受不均匀荷载作用立井井壁应力位移基础上提出了确定立井井壁椭圆荷载分析方法

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  • The shear character in the interface between soil and structure in high stress is one of key research in shaft lining fracture theory. It has briefly introduced the experimental apparatus and process.

    应力下土结构接触面剪切特性研究当前井壁破裂理论研究关键之一,本文对高应力作用下的实验仪器实验过程做了简要介绍

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  • They worked with hand trowels, a plywood form for lining the shaft with concrete, inch by inch, and a sturdy hand-built crank for lowering a man to the bottom and sending up buckets of sand.

    他们的作业工具是:挖土手工浇筑混凝土井壁胶合板模板、还有手工制作摇杆摇杆一个送到井底,那个人就在井底一点点挖土然后再通过摇杆把沙子一桶桶送到地面。

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  • Not only the forces that the stirring shaft are analyzed, but also a choice of materials, lining, and a structure of the tank are expounded.

    搅拌受力结构选型以及该材质衬里选取结构进行了详细的论述。

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  • This essay get breakthrough in the study of lining, new type high-temperature wearable alloy and parts and the soft start shaft coupling of centrifugal air exhauster changing in the tail of kiln.

    本文内衬技术研究开发、新型高温抗磨合金及其高温抗磨开发研制、窑尾风机启动联轴器设计发明与应用等方面取得了重大突破。

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  • Improved KNN algorithm by using the combination technology, and applied it to the forecast of non-mining fracture of shaft-lining of mine.

    利用组合技术对KNN算法进行改进将其应用于煤矿立井井筒非采动破裂预测

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  • The temporary concrete lining guard wall method was used in excavating vertical shaft.

    竖井开挖采用临时混凝士衬砌护壁措施。

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  • In the case that the pilot bore of the lock gate shaft was fully blocked by the rock mass, anchors have been combined with concrete to ensure the safety of subsequent side clearing and lining.

    闸门岩体完全封堵情况下,为确保后期刷帮及衬砌安全,采用锚杆结合对闸门进行锁口。

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  • For concrete lining construction of long inclined shaft with steep obliquity and big diameter, the construction technology is complex and difficult.

    倾角直径斜井混凝土衬砌施工技术复杂,施工难度特别大。

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  • Construction technique of concrete lining of long inclined shaft with steep obliquity Angle and large diameter is complex and extremely difficult.

    倾角直径斜井混凝土衬砌施工技术复杂,施工难度大。

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  • Construction technique of concrete lining of long inclined shaft with steep obliquity Angle and large diameter is complex and extremely difficult.

    倾角直径斜井混凝土衬砌施工技术复杂,施工难度大。

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