冒落带

沿倾向模型的冒落带高度约20.2m，导水裂隙带高度约33.8m。

The height of the caving zone along the dip model is about 20.2m and the height of water-flowing fractured zone is about 33.8m .

浅析开采冒落带内丢煤的复采

Remining coal seam left in caving zone

斜井穿越动压冒落带的快速加固技术研究

Research on Rapid Reinforcement Technology for Mine Inclined Shaft Passing Through Dynamic Roof Failing Zone

裂隙、离层及冒落带的声波成像识别方法

The Identifying Method on Sound Wave Imaging of Crack 、 Abscission Layer and Caving Zones

断层对裂缝带高度和冒落带高度均有影响，但影响程度不同；

The fault has effect on the height of both fracture and caving but different in degrees ;

在向斜的不同位置上，裂缝带和冒落带高度受到的影响程度不同。

And the effect on the height of fracture and caving is different when at different syncline locations .

急倾斜煤层中冒落带和裂隙带高度随煤层倾角变化的规律已被褐示〔7〕。

Relationship between height of inbreak zone and fracture zone and dip angle of steeply dipping coal seam has been discussed .

根据经验公式，计算了各部位煤洞采空区的冒落带及裂隙带高度。

According to the experiential formula , the caving-in zones and fracturing zones of the coal cave mined out area have been calculated .

结果表明，在极薄保护层钻采过程中上覆煤岩体产生整体弯曲下沉，没有冒落带和明显的断裂带。

The results show that , the overlying coal-rock mass is integrally bending and sinking , without forming any caving zone and the obvious fault zone .

准确地提供采煤前后顶底板岩层冒落带高度、导水裂隙带高度及其形态变化等信息，是安全采煤可行性研究和设计的基础。

Therefore , it is foundation of coal mining and design to provide accurate information of caving zone and water flowing fractured zone before and after mining .

高位钻孔抽放最主要的影响因素是合理层位选择，其钻孔参数应根据采空区冒落带及裂隙带高度来设计。

The reasonable layer selection is the main influencing factors for gas drainage by high level borehole , the borehole parameters is based on the caving & fracture zone height of gob .

该监测的主要目的是动态测定煤层开采过程中顶板岩石两带（冒落带和裂隙带）的发展规律和高度，以指导相邻采区留设合理的防水或防砂煤柱。

The primary target of the monitoring is to dynamically determine the developing regularity , and heights of the " two zones "( caving zone and fractured zone ) in roof rocks .

根据采空区塌陷冒落带的力学特征，利用横波参数或瑞雷波参数与岩体静力学参数相类比，确定工程岩体参数评价指标。

Based on the mechanical characteristics of collapse , the parameters of traverse wave or Rayleigh against static rock mass are used to determine assessment indices for the parameters of engineering rock mass .

覆岩沿高度方向形成三带，但不同于其它条件下的放顶煤开采，采空区走向中部覆岩裂隙带高度与冒落带高度基本一致，顶板岩层呈现整体弯曲下沉。

However , the destroyed zones along uprightness are different from other exploiting technique . The height of fracture zone is close to that of falling zone in the middle of overlying rocks and the roof rocks subside entirely .

结果表明，淮南煤田老空水具有不均衡分布的特点，多数老空水以静态储存水量为主；老空水位于工作面煤层底板标高相对低处，主要位于冒落带内。

The results show that the features of goaf water in Huainan coal basin includes distributive-unbalanced , static state deposited principally , low position of the working place coal layer bottom bed and mostly at the inner collapsed zone .

利用相似材料模拟实验模拟采动岩体裂隙的形成过程和分布状态，运用分形几何理论研究采空区冒落带、裂隙带和弯沉带岩体裂隙分布的分形规律。

By using simulant testing of similar material , the forming process and the distribution status of the cracks in mined rock masses are simulated . The fractal correlation of cracks in caving zone , fractured zone and bend zone in goaf is studied .

论文利用数值模拟，模拟分析了煤层采空区覆岩变形破坏的分布特征及规律，给出了试采工作面的最大冒落带的值。

The dissertation makes use of the numerical simulation , simulates and analyzeses the distributional characteristic and law of the distortion and destruction of the rock in the coal seam worked-out area , presents the number of the most inbreak zone in the exploration workplace .

通过对模拟结果的分析，揭示了浅煤层开采过程中覆岩破坏的冒落带、裂隙带、弯曲带及矿压分布、地表变形的基本规律。

Through analyses of the results obtained from the numerical simulation , the caving , fracturing and bending zones in overlying stratum failing , and the basic laws of coal seam pressure distribution and ground surface deformation during excavating shallow-lying coal seam have being revealed .

结果表明，在采动影响下断层活化，断层带及其影响范围内的岩体破碎，表现为周期断裂步距小，冒落带高，尤其是断层下盘，顶板稳定性差；

The results indicate that roof rock mass in fault zone and its influential range is broken and with poor stability by activation of fault after coal mining , so the distance of periodic weighting decreases and the caving zone increases , particularly in the footwall of fault .

在一定的煤层赋存状况和开采方法、顶板管理条件下，影响浅部防水安全煤柱的直接原因是冒落带的发育状况，而影响冒落带高度的主要因素是覆岩的工程地质特征。

Under certain coal-preserving , mining and roof managing condition , the direct reason that affects waterproof bottom pillar is how the collapse belt is developed in the shallow part and the main factors that affect the height of collapse belt is the engineering-geological features of roof and overlying rock .

这些规律为今后在类似条件下进行老采空区上方建筑设计和计算冒落裂缝带高度提供了参考。

These laws can be the reference for the construction design and calculation of the caving and fracture height over the old mined-out areas under the similar conditions .

其次，本文还对新建公路下伏采空区处理宽度和深度的确定方法作了比较系统的论述，提出了以载荷影响深度与冒落裂隙带高度是否重合的方法来确定采空区处理深度。

Secondly , the author systematically discussed the methods to define treatment width and depth of goaf underlying highway to be built , put forward a way to define the treatment depth according to make sure if the load affect depth and fallen fissured zone height are coincided .

计算结果为采空区冒裂带高度远在引水隧洞之上，有些区段处于采空区的冒落带范围内。

Obtained a high degree of the goaf caving is far above the diversion tunnel , some sections are in goaf caving zone framework .

详细介绍了采用埋管注浆方法充填加固冒落段巷道顶板及围岩，使之胶结成为整体，从而安全顺利地通过该冒落带的施工技术。

Describes the methods of reinforcing roof of the plank and surrounding rock by using pipe-burying filling , to mak them as a whole , so as to go-through the caving zone safely and smoothly .