Bolt accessories shall be provided with the same corrosion protection as the rock bolt.
锚杆附件应具有与锚杆相同的防侵蚀要求。
This paper presents a method for analyzing the plastic properties of a grouted rock bolt element.
介绍了一种考虑岩石锚杆单元塑性性能的修正常数法 。
This paper presents a method for analyzing the plastic properties of a grouted rock bolt element.
提出了一种含裂纹的杆单元,基于断裂力学的线弹簧模型,导出了相应的动刚度矩阵。
Rock bolt, as an effective rocky reinforcement measure, is widely applied in civil and mining engineering.
锚杆作为岩土工程的重要支护手段,被广泛应用于岩土加固工程中。
Single pass drilling apparatus, use a one-piece drill bit, method and rock bolt for single pass rock bolting.
单通道钻孔装置,整个钻头的使用,用于单通道岩石锚固的方法和岩石锚栓。
Moreover, the characteristics and key points in construction of tubular rock bolt are presented in this paper.
此外,文章还对管式锚杆的特点及施工要点进行了分析和论述。
The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.
超快硬夹心水泥卷锚杆是一种简单有效的支护锚杆。
Rock bolt foundation is a type of bolt foundation that fine aggregate concrete and bolt are poured into the rock hole.
岩石锚杆基础是以细石混凝土和锚杆灌注于钻凿成型的岩孔内的锚杆基础。
Numerical simulation and experimental testing are used to study wave propagation characteristics in grouted rock bolt.
采用数值模拟和实验模拟的方法对锚杆—锚固体系中的波动特征进行研究。
The laws of interaction between a rock bolt and rocks and the displacements of discontinuous rock mass and a rock bolt were gained.
获得了非连续岩体与锚杆的相互作用规律以及非连续岩体和锚杆的变形规律。
Based on the result, the paper proposes that the floor rock bolt system may be regarded as a good preventive measure of the floor heave.
在此基础上进而提出了采用底板锚杆系统可以有效地防治该矿巷道底鼓的新见解。
Systematic rock bolt support and shotcrete were carried out for the surrounding rock and reinforcement was done locally for rock stability.
对围岩采用系统喷锚支护,局部作加强处理,稳定性良好。
The working performance and stability of the rock bolt crane girder has always being an important problem in project design and construction.
岩锚吊车梁在施工及运行期的工作性态和稳定性是工程设计和施工中所关注的主要问题之一。
It is proved that the software has high real-time and operability and realizes intelligence and automation for the length of rock bolt detection.
试验证明该软件系统具有较高的实时性和可操作性,较好地实现了锚杆长度的快速检测。
The fiberglass reinforced rock bolt and grouting could improve the strength and stiffness of the advance core, cut down the depth of the plastic area.
超前玻璃锚杆及注浆均能显著提高核心土自身的强度和刚度,大大减小塑性区的深度。
The rock bolt crane girder is an advanced structure which has played and will play continuously important roles in the construction of hydropower plant in China.
水电站地下厂房岩锚吊车梁是一种先进的结构形式 ,已在我国水电工程建设中发挥了重要作用 ,并且还将会发挥越来越重要的作用。
This paper presents an analysis method for the acting mechanism of bolts in soft rock. The mechanical behaviors of rock bolting system and bolt itself are discussed respectively.
对软岩中锚杆的作用机理提出了一种分析方法,分别讨论了锚杆体系和锚杆本身的力学行为。
A concept is provided that the supporting construction of rock bolt system consists of key, secondary reinforcement and quasi-plastic supporting structures. And their interactions are analyzed.
提出了岩体锚固的承载结构体系由关键承载结构、次生加固承载结构和准塑性承载结构组成的概念,并分析了三者之间的相互作用关系。
Numerical simulation results agree with experimental results, both of which show that velocity of consolidation wave in grouted rock bolt are related to the anchoring strength of fresh concrete.
都显示锚杆中锚固段的应力波波速(固结波速)和锚固介质的强度直接相关,固结波速和锚固介质强度之间成抛物线关系。
The experiment and application studies of rock bolt foundation in North China area in 2005 indicated that it is feasible to use rock bolt foundation in North Chinas strong weathered rock foundations.
2005年在华北地区的岩石锚杆基础试验与应用研究表明,在华北地区典型的强风化岩石地基中,采用岩石锚杆基础是可行的。
Thes detecting structure instrument of the roof rock is integrated in the pneumatic bolt drill and data processing is adopted BP algorithm of mature net to identify the structure.
其中,顶板岩层结构探测仪是集成在风动锚杆钻机上,数据处理采用训练成熟的BP算法神经网络进行结构的识别;
It is shown that the characteristics of shear stress acting on bolt vary in different zones zone of surrounding rock and are reflected in the axial stress distribution of bolt.
结果表明,在围岩不同区内,锚杆所受剪切力具有不同的特点,而且,锚杆所受剪切的特点在锚杆轴力分布中得到了反映。
An indoor model test is carried out on rock mass of cracked structure reinforced by the bolt.
针对锚杆加固后的碎裂结构岩体进行了室内模型试验。
Accoording to the result on observation of rock pressure, adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.
根据矿压观测结果分析了可拉伸锚杆对软岩巷道支护的适应性及其合理的结构参数。
Bolt, one kind of reinforcement measure, is well accepted in rock and soil engineering practice.
锚杆(索)是一种应用广泛的岩土体工程加固措施。
Discrete element method is used to analyze the roof stability in accordance with the variation of its loading, rock frictional Angle, bolt spacing, rock properties and bolt orientation.
采用离散单元法,分析了当荷载、岩体的摩擦角、锚杆间距、锚杆方向和岩体的性质变化时,顶板的稳定性。
Forward support bolt combined with roop rock by bolting can play a roll of combined beam, which can prevent roof rock caving immediately after explosion.
超前支护锚杆锚固后与顶板岩石构成一体,这样使超前锚杆形成组合梁作用,放炮后,能够阻止顶板岩石冒落。
Forward support bolt combined with roop rock by bolting can play a roll of combined beam, which can prevent roof rock caving immediately after explosion.
超前支护锚杆锚固后与顶板岩石构成一体,这样使超前锚杆形成组合梁作用,放炮后,能够阻止顶板岩石冒落。
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