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。
The research results have important guiding effect in optimized design of shaft lining structure.
其结果对深立井井壁结构的优化设计具有极为重要的指导作用。
The internal force of the shaft lining section and its corresponding external load are determined by electrical measures.
采用电测法测量井壁载面的内力与其相应的外截。
The shear strength between soil and structure interfaces in high stress is one of key research in shaft lining fracture theory.
高应力下土与结构接触面抗剪强度研究是当前井壁破裂理论研究的关键之一。
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的设计和应用参考。
The use of high strength concrete in shaft lining of depth soil might meet with the constructive need of frozen and boring shafts.
将高强混凝土用于深厚表土层立井井筒工程中,能满足我国不断加深的钻井和冻结井筒建设的需要。
After test the obtained data are treated and the bearing capacity of shaft lining and the stress condition of its structure are analysed.
试验后对所得的数据进行处理,并且分析了井壁的承载能力和井壁结构受力状态。
The problems of deformation for shaft lining are investigated under arbitrary axisymmetric normal loads and tangential loads with end loads.
对有限长立井井壁在任意轴对称的法向、切向以及端面荷载的共同作用下的变形问题作了分析研究。
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,这种模型能揭示出井筒及其附近的浆液压强特点。
The upper shaft lining of no. 1 blast furnace for smelting high TiO2 bearing vanadic titanomagnetite is repaired by forcing and gunning methods.
对冶炼高钛型钒钛磁铁矿的一号高炉炉身上部进行了压入和喷补造衬。
The non-linear stability problem occurred in the interior steel sheet of a steel-concrete composite bored shaft lining in coal mines is discussed.
本文研究用煤矿钻井法钻凿竖井时钢板-混凝土复合井壁内钢板的非线性失稳问题。
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,对这种井壁结构的力学特性和破坏特征进行了深入研究。
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是一种特殊类型的工程地质灾害,是人类采矿活动和地质环境相互作用的结果。
The fracture of shaft lining is a special type of engineering geologic disasters and is caused by interaction between mining and geological environment.
立井井壁破坏是一种特殊类型的工程地质灾害,是人类采矿活动和地质环境相互作用的结果。
Due to its convenience and economical efficiency, the high-strength concrete shaft lining has been widely used in deep shaft sinking by freezing method.
深冻结井高强混凝土井壁作为一种施工方便、经济的井壁结构被广泛得到应用。
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.
在黄淮地区破裂井壁治理技术中,开切环形卸压槽是最关键的技术之一。
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了某井筒三圈冻结管冻结温度场的变化规律,获得了冻结温度场的变化规律,为冻结壁设计提供了参考。
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.
针对地层沉降条件下煤矿立井井壁的破坏机理,提出了一种新型可缩性钻井井壁结构。
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.
在分析受不均匀荷载作用的立井井壁应力和位移的基础上,提出了确定立井井壁椭圆荷载的反分析方法。
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.
高应力下土与结构接触面剪切特性的研究是当前井壁破裂理论研究的关键之一,本文对高应力作用下的实验仪器和实验过程做了简要的介绍。
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:挖土用的手工泥铲、浇筑混凝土井壁用的胶合板模板、还有手工制作摇杆。摇杆将一个人送到井底,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。
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.
对该搅拌轴的受力、结构选型以及该槽材质、衬里的选取和结构进行了详细的论述。
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.
本文在对内衬的技术研究开发、新型高温抗磨合金及其高温抗磨件开发研制、窑尾排风机软启动联轴器的设计发明与应用等方面取得了重大突破。
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,并将其应用于煤矿立井井筒非采动破裂的预测。
The temporary concrete lining guard wall method was used in excavating vertical shaft.
竖井开挖采用了临时混凝士衬砌护壁措施。
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.
在闸门井导井被岩体完全封堵的情况下,为确保后期刷帮及衬砌安全,采用锚杆和砼结合对闸门井进行锁口。
For concrete lining construction of long inclined shaft with steep obliquity and big diameter, the construction technology is complex and difficult.
陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度特别大。
Construction technique of concrete lining of long inclined shaft with steep obliquity Angle and large diameter is complex and extremely difficult.
陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度大。
Construction technique of concrete lining of long inclined shaft with steep obliquity Angle and large diameter is complex and extremely difficult.
陡倾角大直径长斜井混凝土衬砌施工技术复杂,施工难度大。
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