roof control

The key points and control measure of the construction technology for the sloping roof of the residential building

住宅建筑坡屋面施工技术要点与控制措施

characteristics of strata behaviors and roof control for longwall faces in deep mining

煤矿深井采场矿压显现及其控制特点

Construction method improvement and slope control of flat roof and cornice valley slope making

平屋面及檐沟找坡层的作法改进和坡度控制

Solar thermal products: Solar facades and roof components, measurement and control systems, and Solar system control softwares.

太阳能热利用产品：太阳能外墙及屋顶组件、测量及控制系统、太阳能系统控制软件；

Mine Ground Pressure Appearance and Roof Control of Residual Pillaring in Upper Layer in the Mining of Lower Layer

上层残留煤柱在下层开采中的矿压显现与顶板控制

raise the "one-pass three" roof control, electrical and mechanical transportation efforts;

加大“一通三防”、顶板管理、机电运输等工作力度；

the analysis on roof control of working face of medium-thickness coal seam comprehensive mechanized top coal caving method

中厚煤层综采放顶煤工作面顶板管理

Roof falling mechanism of face area in fully-mechanized sub-level caving mining face and its control

综放工作面端面冒顶机理及控制

roof control with roof bolt in seam roadway under difficult conditions

困难条件下的煤巷锚杆控顶技术

Research on Movement Rule and Control Technology of Roof in Fully-mechanized Working Face of Thin Seam

薄煤层综采工作面顶板运动规律及其控制技术研究

Based on the research result of control action of structure to the stability of roof, the author puts out tectonic synthesis method for predicting the stability of roof.

根据地质构造因素控制煤层顶板稳定性作用的研究，提出煤层顶板稳定性预测评价的矿井地质构造特征解析方法。

Control of Separative Roof in a Large Area

大面积剥离顶板的控制

Numerical simulation of hard roof control

坚硬顶板控制的数值模拟

Analysis on the effects of roof control by powered support

综采自移支架控顶效果分析

The application of numerical simulation in big dip angle and hard roof control

数值仿真在大倾角坚硬顶板控制中应用

Hard Roof Control and Accidents Prevention

坚硬顶板的控制与事故预防

With grouting-bolting as the kernel, pre-stressed anchor rope and anchor as the auxiliary structure, the three-bolting combined supporting system combining pressure-relief technology of roof control and laneway floor heave control technology solved the supporting stability problem in deep-seated soft rock roadway.

通过以锚注为核心，预应力锚索和锚杆为辅助支护结构的三锚联合支护技术，结合控顶放压技术和底臌控制技术解决了深部软岩巷道的稳定性控制问题。

roof control of large cross-sectional mining roadway

大断面回采巷道的顶板管理

roof control for the full-mechanized face in the lower slice layer of coal seam

平煤一矿下分层综采工作面的顶板管理

The comparisons of passive isolation control, passive-off control, passive-on control and fuzzy semi-active control show that the roof MR isolation system is a valid and practical intelligent semi-active control system.

本文比较了被动隔震控制、被动-关控制和被动-开控制和模糊半主动控制效果。

From the control angle of roof stability in face area, UDEC program has been used in analysis of the relationship between the roof stability in face area, the working resistance of support and the distance to face under different top coal conditions.

从端面顶板稳定性控制角度出发，应用数值模拟离散元法分析了不同顶煤条件下端面顶板稳定性与支架工作阻力及端面距的关系。

roof control practice of gob-side entry retaining in 91208 roadway

91208巷沿空留巷顶板控制实践