The roof control design in mined field is the key to roof control and the movement rule of roof terrane is the basis of the roof control design.
采场控顶设计是顶板管理的关键因素，而顶板岩层的运动规律是采场控顶设计的依据。
The paper described in detail the high undercover large mining coal face roof control the basic requirements of the roof control and the strengthening of specific measures.
该文详细叙述了大采高卧底煤工作面顶板控制的基本要求和加强顶板控制的具体措施。
According to the studying and acquainting with the direct roof control of Datong mining area, this paper offers a kind of simple and workable classification for direct roofs.
根据作者对大同矿区直接顶板控制的研究和了解，提出了一种简单易行的直接顶分类方法。
The practices showed that the complex roof of C4 seam was effectively controlled. Therefore the roof control problem of the coal mining face under the complex roof conditions was solved.
实践应用表明，C4煤层复合顶板得到了有效的控制，解决了复合顶板条件下回采工作面的顶板控制问题。
Thispaper puts forward a new idea of the roof control design under such roof conditions. Firstof all, it is necessary to keep the re-break of the roof outside the breaking edge of the face.
据此提出了该类顶板条件下顶板控制设计的新思路：设计中应首先考虑把顶板的再断裂控制于切顶线之外，然后结合顶板的运动趋势及其对工作面支架的影响合理选择支护阻力以及其它辅助控顶措施。
His plans involve building an air shaft through the roof of the control center equipped with a solar powered fan to draw air deeper into the complex.
他计划在控制室的顶上装一套太阳能驱动的换气系统，将空气泵到设施的深处。
On the interior the roof and parts of the shed sides have clear polycarbonate facades to allow for control of changing weather conditions as well as integrated lighting.
在棚室内屋顶和两侧部分聚碳酸酯立面有能力改变气候条件，还可以集成可控制的照明。
The wind load is one of the main control loads for the large span steel roof structure.
风荷载是控制大跨度钢屋盖结构设计的主要荷载之一。
As for the large span steel roof structures of irregular shape, the wind load is one of the main control loads in the design.
对于体型复杂的大跨度钢屋盖结构来说，风荷载是控制结构设计的主要荷载之一。
This article from the perspective of seismic building size, building layout and vertical layout, the design limits of the control specification, roof construction.
本文从抗震的角度探讨建筑的体型，建筑平面布置和竖向布置、规范中设计限值的控制、屋顶建筑等。
Furnace top electronic scale is an indispensable device for automatic control system of the furnace without bell roof.
炉顶电子秤是无钟顶高炉自动控制系统中不可缺少的一个装置。
A serial of roof sagging time and critical value, measured by field-monitoring, has provided basis for pressure control.
通过分析现场监测结果所划定的顶板下沉期及—系列临界值，为地压管理提供了依据。
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。
The assessment is helpful for improving monitoring and control of roof rock stability during coal exploitation.
该评价结果有助于在煤矿开采过程中加强不同区域煤层顶板的管理及科学地指导工作。
The paper discusses how to control of the construction process of waterproof roll roofing, analyses the roof seepage causes and puts forward the effective preventive measures.
论述了屋面卷材防水过程的施工控制，分析了渗漏原因，探讨了可采取的有效措施。
The roof shape optimization is one of the important means to control the ground pressure. A long strip of exposed roof surface shape can improve productivity of the stope and ensure mining safety.
优化采场顶板暴露面积形状是控制地压的重要手段之一，采用长条形顶板暴露面，能提高采场生产能力和保证回采的安全性。
Thus, the surrounding rock control in roadway roof and shoulder needs strengthening in deep tectonic regions.
深部构造区域巷道应加强顶板与肩角围岩控制。
The vertical component of earthquake can not be neglected for large-span roof structure and some seismic control technology is necessary.
大跨屋盖结构由于跨度较大，竖向地震作用显著，有必要采取减震控制措施。
The results show that the methods mentioned in this paper could be adopted to control the roof strata properly in certain case.
结果表明，使用该方法可以很好地控制浅埋深难垮顶板。
It is important to master movement rules of overburden rock layers to control roof rationally in special production and geological conditions.
在工作面特定的生产技术和地质条件下，掌握工作面上覆岩层的运动规律，对合理控制顶板非常重要。
The case of accidents, the proposed blasting mining roof caving face the basic requirements for control and prevention of incidents of roof effective measures, must learn.
该文通过事故案例分析，提出了炮采放顶煤工作面顶板控制的基本要求和预防顶板事故发生的有效措施，有一定借鉴意义。
The theory and control technology for migration of roof strata and surface subsidence caused by mining operation are a part of the study of natural calamity all over the world.
煤矿开采引起覆岩及地表沉陷的控制理论与技术研究是涉及全球性灾害学科的研究内容之一。
Taking the 56104 coal mining face of Xinzhuangzi Mine as the practical example, the paper mainly introduces the key technical measures such as the stability control of roof and floor as well as the …
以新庄孜煤矿56104首个综采面为例，从顶底板的稳定性控制和支架结构参数设置两方面入手，对大倾角综采工作面关键回采技术进行了研究。
This paper mainly introduces the frequency control technique and technical innovation for large-type roof fan.
简介了大型屋顶风机变频调速技术及技术创新性。
The article analyses the reasons of roof leakage, and proposes the measures of the quality control of the slanting roof waterproofing.
文章分析了屋面渗漏的原因，提出了斜屋面防水质量控制措施。
This text will turn quality control and technology into section continuous case roof beam and construct to enter to the overpass prestressing force concrete Walk and describe.
本文将对高架桥预应力混凝土变截面连续箱梁施工质量控制及技术进行论述。
Million cubic meters of floating roof storage tank area, the design selection of the steel is thinner, easy to produce after welding deformation, flatness control difficult.
十万立方米储罐浮顶面积大，设计选用的钢板较薄，焊接后极易产生变形，平整度控制很难。
The electrical control system of the 900 ton case roof beam bridging machine in this paper is designed to solve this problem.
本论文中900吨箱梁架桥机电气控制系统的设计就是为了解决这一问题而提出的。
Roof released elevation of the line of control and the loading axis auxiliary line.
复验安装定位所用的轴线控制点和测量标高使用的水准点。
Roof released elevation of the line of control and the loading axis auxiliary line.
复验安装定位所用的轴线控制点和测量标高使用的水准点。
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