锚杆

The latest constructing machine and the newest technology were adopted to ensure that the borehole is perpendicular to the rock face of roof and that the depth of borehole and the torsional moment of the anchoring bolt meet the design requirement.

采用最新锚杆施工机具及工艺，保证钻孔垂直于顶板岩面，孔深及锚杆扭矩满足新型机械锚杆的设计要求。

The test results obtained accor- dingly are presented in this paper .Three stopes with different spans (8m , 16m, 24m ) were selected for the purpose of stress study with epoxylite model .

采用环氧树脂模型研究了三种不同跨度(8米、16米、24米)采场，在支护网度为1×0.8米~2及无锚杆护顶时顶板应力分布状况，同时也研了在相同条件下，锚杆支护网度为0.8×0.8米~2、1.6×0.8米~2时顶板应力分布状况，从而阐明了锚杆支护的实际效果。

Field-tests show: grouting bolt exists the question of effective anchorage length; shear stress distribution is disuniform and concentrated in the front 1/3 of the fixed anchoring part.

在现场对普通拉力型锚杆进行了试验，试验表明注浆锚杆存在有效锚固长度问题，沿锚固段全长锚杆与浆体间剪应力分布极不均匀，主要集中在锚固段的前1／3。

Three stopes with different spans (8m , 16m, 24m ) were selected for the purpose of stress study with epoxylite model . The distributions of roof stress under the condition of 1×0.8m support grid compared with unsupporting , and that of roof bolting patterns of 0.8×0.8m, 1×0.8m, 1.6×0.8m were also investigated . Finallg , the authors evaluate the practical effects of roof ?

采用环氧树脂模型研究了三种不同跨度(8米、16米、24米)采场，在支护网度为1×0.8米~2及无锚杆护顶时顶板应力分布状况，同时也研了在相同条件下，锚杆支护网度为0.8×0.8米~2、1.6×0.8米~2时顶板应力分布状况，从而阐明了锚杆支护的实际效果。

Utilizing the acoustic wave's characteristics, we can detect the interior structure and quality of the anchor system and, judge the anchorage state by beating the anchor bar's top with a hammer.

利用振动波传播具有的许多独特性质，可以在锚杆表面人工激发应力波来探测锚杆体系内部的结构和性质，以此来判断锚杆的锚固状态。

The article elaborated on the principle of the anchor bar support,analyzed supporting effect of driection and support parameter of anchor bar,in the field of changing state adjoining rock strained condition,flexure stress of reinforcing and reducing rock beam.

从改变围岩受力状态、形成挤压加固顶板、加固岩梁及降低岩梁所受的弯应力等方面，阐述了锚杆的支护原理，分析了锚杆的安装方向和锚杆支护参数对支护效果的影响。

The results show that the ratio of slope has an impact on slope deformation; and that the angle and the range interval of anchors influence slope deformation. The pertinent proposal for design of main parameters of anchor frame beam is put forward so as to offer reference for engineering optimum design.

数值分析及结果表明，坡率与膨胀土路堑边坡变形密切，锚杆框架梁参数中锚杆布设角度和间距对膨胀土边坡变形影响较大，同时对锚杆框架梁的主要参数提出相关的建议，为工程和设计优化提供了参考。

Included among them are: characteristic frequency curve of reinforced medium; critical length of the anchor bar ; anchor bar density and nonuniform coefficient of the reinforced medium; embedded anchorage layer effect; bed plate effect; weak surface effect; distortion of the bow-shaped distributed state of the anchor bar frictional resistance and initiation, formation and development of the dominant glide control plane; criteria about the displacement velocity of side-wall stability status, critical status and unstability status, and the system of ordinate analysis method, et al

d。文中提出的若干新的概念、判据和分析方法，如加固介质特征频度线；临界锚杆长度；锚杆密度及加固介质不均匀系数；嵌固层效应；垫板效应；弱面效应；锚杆&弓形&受力形态的畸变与优势滑移控制面的产生、形成和发展；边壁稳定状态、临界状态和失稳状态的位移速度判据；纵坐标系分析法等，具有一定的理论价值，并对软土工程围护设计具有指导意义。

Bolting technology in recent years, the rapid development of rock in the coal mine tunnel control applications are increasingly widespread, particularly in Australia and Britain, and other advanced countries, bolting technology, China is also studying the extension bolt supporting technology.

近年来锚杆支护技术快速发展，在煤矿巷道围岩控制中的应用也越来越广泛，尤其是在澳英等锚杆支护技术先进国家，我国也在研究推广锚杆支护技术。

In order to meet the new anchoring technology development required for the mechanical parameters of bolt body put forward a special request, I plant developed the advanced technology of equipment has been improved so that the bolt will not only meet the molding geometry, at the same time on mechanical parameters, the limit is to ensure the anti-rally, but also to enable an extension rate of bolt technical requirements.

为适应锚固技术发展的新需要，对锚杆体的力学参数提出了特殊的要求，我厂开发了先进的工艺对设备进行了改进，使成型的锚杆不仅满足几何尺寸，同时在力学参数上，既保证了极限抗拉力，又使锚杆的延伸率达到技术要求。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。