Practices on floor heave prevention and control technology of mining gateway in Wuyang Mine;
根据研究结果，提出采用在巷道底板上分期安装锚杆的方法，可有效地防治巷道底鼓。
In-situ measurement shows that good result of controlling the floor heave is obtained with the scheme.
现场观测表明，该方案取得了良好的底鼓控制效果。
With the increase of mining depth, the problem of floor heave of roadway could become more and more serious.
随着开采深度的不断增加，巷道底鼓问题日趋严重。
The industrial test results show that the implementation of this scheme has effectively control the floor heave.
工业试验结果表明，该方案有效地控制了巷道底鼓。
Roof falling, floor heave of roadway and pillar failure are important problems of rock mechanics in mining process.
顶板冒落、巷道底鼓和矿柱破坏是采矿过程中的重要岩石力学问题。
The result reveals that the larger horizontal tectonic stress is the major factor to induce the floor heave in the mine.
其研究结果表明：较大的水平地质构造应力是导致该矿巷道底鼓产生的主要原因。
Based on the results, the floor bolt layout which was presented in the paper, is an effective method to prevent the floor heave.
根据研究结果，提出采用在巷道底板上分期安装锚杆的方法，可有效地防治巷道底鼓。
Results indicated that rapid rate, serious floor heave, large accumulative amount are the main features of tailgate deformation.
结果表明，巷道变形速度快、底鼓严重、巷道累计变形量大是首山一矿回风平巷变形的主要特征；
The result of practical experimentation indicates that the problem of floor heave in gas tail gateway having been basically solved.
工业性试验结果表明，工作面瓦斯尾巷巷道支护状况良好，底鼓问题基本得到了解决。
The paper has some references both in theory and application for the study of mechanism and preventive measure of the floor heave, etc.
本文对巷道底鼓产生机理和防治措施的研究结果，具有一定的理论价值和应用参考价值。
Based on the result, the paper proposes that the floor rock bolt system may be regarded as a good preventive measure of the floor heave.
在此基础上进而提出了采用底板锚杆系统可以有效地防治该矿巷道底鼓的新见解。
In this paper, three boundary element models were adopted to simulate the preventive effect of different floor bolt layout on the floor heave.
本文采用三个边界元模型对巷道底板上锚杆的不同布置形式对防治底鼓的效果进行了模拟研究。
In the meantime, from the basic viewpoints of rock fracture mechanics, an insight is made into the mechanism of floor heave water in coal mines.
同时，用岩石断裂力学的基本观点对煤矿底鼓水的机理进行了探索性研究。
Floor heave is familiar distortion and damage form in deep soft rock roadway, how to control floor heave effectively and economically is an urgent problem.
深井软岩巷道底鼓是常见的变形和破坏形式，如何有效、经济的控制底鼓是深部开采急需解决的问题。
The formulas for calculating roadway floor heave are derived and then verified by applying them to an example. Factors affecting roadway floor heave are also studied.
导出了计算巷道底鼓的表达式。最后进行了实例分析，研究了影响巷道底鼓的各个因素，使所导出的公式得到了验证。
There are roadway floor heave types such as extrusion, bending under pressure, expansion and shearing dilation, among them bending under pressure is the most common type.
巷道底臌有挤压、压曲、膨胀和剪胀等形式，压曲底臌是最常见的一种形式。
The study shows that laneway floor heave has various types such as extrusion, deflection, inflation and shear dilation, with the shear dilation being the most commonly seen.
研究表明，巷道底臌有挤压、挠曲、膨胀和剪胀等形式，剪胀底臌是最常见的一种形式。
Numeric analysis using computer and simulation test with equivalent materials show that reinforcement of different positions of the gateway will help to control the floor heave.
计算机数值模拟及相似材料模拟试验研究表明，加固不同部位对控制底臌均有一定效果。
The high abutment pressure on the integrated coal beside the roadway is one of the reasons to lead to floor heave and affect the stability of the roadway driving along next goaf.
实体煤帮的高支承压力是影响沿空掘巷稳定性的主要原因之一。
According to the calculation results, the writers arrive at the conclusion that the larger gob and larger horizontal tectonic stress are the important causes to induce the floor heave, etc.
基于计算结果，本文发现较大的采空区范围以及较大的水平地质构造应力是导致该区域巷道底鼓的重要原因等结论。
Field practice shows that the method of making loose blasting deeply in the area of the mining abutment pressure can control the entry floor heave effectively and meet the need of the production.
现场实践表明，采用底板支承压力区进行深部松动爆破能有效控制回采巷道底鼓，满足生产需要。
With the increasing of mining depth, the roof-floor lithology of the tunnel shows the characteristics as soft rock, normally resulting in the drift floor-heave.
随着矿井采深的增加，巷道顶底板岩层表现出软岩特性，常导致巷道形成严重的底臌。
With the increasing of mining depth, the roof-floor lithology of the tunnel shows the characteristics as soft rock, normally resulting in the drift floor-heave.
随着矿井采深的增加，巷道顶底板岩层表现出软岩特性，常导致巷道形成严重的底臌。
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