锚杆

Characteristics of wave propagation in grouted rockbolt were investigated with numerical simulation, experimental measurement and theoretical analysis.

用理论分析、数值模拟和实验测试的方法研究了自由锚杆和锚固锚杆中的波传播特性。

And, the design of grouted helix anchor can adopt the partial material safety factors method.

FRP螺旋锚杆若采用分项安全系数法进行设计，能充分地考虑FRP筋对锚杆安全性能的影响。

Research results show that when the frequency of excitation signal is within 10kHz to 100kHz the wave in free bolt and grouted rockbolt is guided wave which is related to its boundary conditions. Waves with different frequencies have different velocities.

研究结果显示在测试激发波的频率范围内(10~100 kHz)，锚杆中传播的波是一个和边界条件相关的导波，不同频率的波在锚杆中传播的速度不同。

Set my factory product development, manufacturing and sale of products and services in one, through the introduction, absorption, development, innovation, use of professional and technical production of self-drilling hollow grouting anchor series products and dedicated supporting machinery (latent air drilling, rock drill , grouting machines, jet injection pump, bolt, etc.) are widely used in underground engineering (transport tunnels, hydraulic tunnels, mines and various uses of roadway anchor bolting) geotechnical engineering (slope, rock embankment , deep foundation pit of the anchor) to repair reinforcement works (tunnels, sea walls, dams, housing construction).

我厂集产品开发，生产制造及产品销售与服务于一体，通过引进，吸收，开发，创新，采用专业技术生产的自钻式中空注浆锚杆系列产品及专用配套机械(潜空钻，凿岩机，注浆机，喷射机，注浆泵，锚杆机等)广泛应用于地下工程（交通隧道，水工隧道，矿山巷道和各类用途的锚固支护）岩土工程（边坡，堤岩，深基坑的锚固支护）修复加固工程（隧道，海堤，大坝，房屋建筑）。

Low strain dynamic response theory is the basis of method in stress wave testing of anchorage system, which can be used to explain the dynamic reaction between anchor bar and surround rock, the mechanics of anchor bar stress wave testing.

锚杆—围岩结构系统的低应变动力响应理论是锚杆锚固系统应力波测试方法的理论基础，开展这方面的研究对于弄清锚固系统动测机理以及建立锚固体系损伤诊断和锚固质量评价具有十分重要的意义。

FLAC3D software is used for simulating anchor frame beam strengthening expansive soil roadcut slope. Main parameters such as length, range interval and angle of anchor frame beam, are investigated so as to acquire how to influence slope deformation.

为了研究锚杆框架梁的加固效果及其坡率对膨胀土路堑边坡的影响，采用了快速拉格朗日差分分析三维软件FLAC3D模拟锚杆框架梁加固膨胀土路堑边坡。

It shows that the action of bolt together with rock must be taken into consideration in order to correctly make computation of rock-bolt supporting parameters.

结果表明，合理的地下层状岩石锚杆支护参数设计应在考虑锚杆与围岩的共同作用条件下计算。

Compared disturbed values of the thick tail metal bolt and common bolt under the load action.

比较了金属粗尾锚杆和普通锚杆在不同载荷作用下的挠度值。

Countering difficult tunnel support and conventional supporting mechod which is out of effectiveness under complex geological conditions ,the bolt connecting chain which is used jointly with friction bolt is designed.

针对复杂地质条件下巷道支护困难、常规支护方法失效的情况，设计了与摩擦锚杆联合使用的锚杆联系链。

This paper introduces the anchor design principle and calculation method of the crane girder on cliff wall in Huizhou pump and storage water power station,especially analyses the prototype observation and discusses the relating questions for the anchor design.

简要介绍惠州抽水蓄能电站工程岩壁吊车梁的锚杆设计原则和计算方法，重点对原形观测资料进行分析，并对岩壁吊车梁锚杆设计的有关问题作了探讨。

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。。。。