Standard piece , hot bolt rammer, if high-strength bolt , nut etc.
标准件、螺栓的热镦,如高强度螺栓、螺帽等;
Brittle fracture accident and countermeasure of the high-strength bolt of post junction of roof beam of.
钢结构梁柱连接处高强螺栓的脆性断裂事故及对策。
The experimental results were then analyzed and a calculation model for the penetrated high-strength bolt was established.
通过对试验结果的分析,建立了穿心高强螺栓的计算模型;
The torque coefficient and antislide coefficient is important evaluation parameter of the performance class of high strength bolt.
扭矩系数是高强度螺栓扭矩法施工的关键参数。
Mechanism of high-strength bolt and bolting-grouting support was studied based on the deformation and failure rules of soft roadway.
基于软岩巷道变形破坏规律,对高强锚杆辅助锚注支护加固机理进行了研究分析。
A newly developed high efficient degreasing and rust removing solution for pre blackening treatment of high strength bolt is presented.
根据高强度螺栓发蓝工艺的独特性,研制适用工艺要求的常温除油除锈液,在生产中应用良好。
Fatigue of grid structure with bolt-sphere joints mainly behaves fatigue in joints, the critical of which is fatigue of high strength bolt.
螺栓球节点网架的疲劳主要是节点的疲劳,而节点的疲劳关键是高强螺栓的疲劳。
The axial preloads are difficult to measure and check when the steel structure high strength bolt connecting is implemented by rotation method.
针对余热锅炉钢结构高强度螺栓在转角法工艺条件下连接,轴向预紧力难以测量和检验,提出了高强度螺栓连接安装质量监督检验的有效方法。
By the practical engineering, authors show the quality influence factors and control measures of high-strength bolt connection in steel structure.
通过工程实例,介绍了钢结构中高强度螺栓连接的质量影响因素及控制措施。
Construction technology and quality control measures for steel box girder, high-strength bolt, prestressed concrete box girder and inclined cable are briefly introduced.
简要介绍武汉白沙洲大桥主桥上部结构的钢箱梁、高强螺栓、预应力混凝土箱梁、斜拉索的施工工艺和质量控制措施。
The connection mode that the end of steel plate shear wall is firstly welded onto a piece of steel plate, then connected by high-strength bolt is reasonable and reliable;
屈服钢板墙约束板端部先焊接厚钢板,再用高强螺栓连接的方式较为合理可靠;
This paper discusses the application of calculation formulas of high strength bolt connection in bearing type under the action of both shearing force and axial tensile force.
本文讨论了承压型高强度螺栓连接在同时承受剪力和杆轴方向拉力时其计算公式的应用。
This paper introduced a combined supporting technology, including first supporting, high-strength bolt-net-cable supporting, second supporting, long ring support and grouting behind support.
介绍了该矿采用的高强锚网索一次支护、长环形支架二次支护以及壁后注浆的联合支护技术。
Based on the experiment of three different groups of samples the working principle and the failure types of the friction connection and the bearing connection high strength bolt were studied.
本文通过三组不同试件的试验,对磨擦型和承压型两种高度螺栓连接形式的工作机理和失效形式进行了试验研究。
This paper analyses the relation between fatigue life and imposed preload of high strength bolt usually used in construction engineering and locates optimum working range to apply preload to it.
分析了工程上常用的高强度螺栓的疲劳寿命与施加的预紧力之间的关系,找出施加预紧力的最佳范围。
To determine the anti-slip coefficient of the high-strength bolt which connects components of friction surface, it is screwed and determined by torsion and tensile testing machines respectively.
大六角头高强度螺栓连接副扭矩系数的检测,扭剪型高强度螺栓连接副坚固预拉力的检测,高强度螺栓连接磨擦面抗滑移系数的检测,是钢结构材料验收中的重要测量。
On the basis of experiment research, the internal force of high strength bolt joint area of steel beams and concrete walls within steel profiled bar was analyzed under the low period cyclic load.
在试验研究的基础上,对钢梁与钢骨混凝土墙高强螺栓连接节点在低周反复荷载作用下节点域的内力进行分析。
In the connection design of steel structure, the shear plate with high-strength bolt connection is extensively used at the flexible joint where the beam is connected to the weak axis of the column.
钢结构节点设计中,梁与柱弱轴方向的柔性连接常采用剪力板高强螺栓连接,螺栓群所承受的荷载有竖向力和偏心力矩。
A sudden thought gave Grethel unusual strength; she started forward, gave the old woman a push which sent her right into the oven, then she shut the iron door and fastened the bolt.
一个突然的想法给了格雷特不同寻常的力量;她开始向前,推这个老女人刚好把她推进炉子,然后她关着这个铁门然后扎牢门闩。
Under the action of tensile stress and tensile stress, the bolt with relatively low strength will crack first, and then the fatigue fracture will occur.
在拉应力和应拉力交替的作用下,强度相对较低的螺栓会先产生裂纹,进而发生疲劳断裂。
It shows that fatigue strength of bolt can be improved by use of elastic cell.
有力说明了利用弹性元件可以达到提高螺栓疲劳强度的目的。
In this paper presents optimum design of flange bolt connection with constraint of strength reliability.
本文以强度可靠度为约束,对法兰螺栓联接进行了优化设计。
It is concluded that, the residual stress induced by cold expansion can maintain enough strength to prevent and retard fatigue crack initiation and growth in rail bolt hole.
结果表明,冷扩张过程所引入的切向残余压应力能保持足够的强度,以对钢轨螺栓孔起到显著的防裂和止裂作用。
The load coefficient method of bolt on tensile strength calculation was improved.
对螺栓拉伸强度计算的载荷系数法作了进一步改进。
The microstructure, surface fracture morphology, hardness and tensile strength of the failed 45 steel connecting bolt were analyzed and tested.
对45钢连接螺栓断裂件的显微组织、断口形貌、硬度和抗拉强度进行了观察分析和测试。
The surface treatment technology is introduced for the high strength, bolt mechanical zinc coating. Specific instructions are provided for general trouble-shooting in the operation.
介绍了高强度螺栓机械镀锌的表面处理工艺,应对生产过程中常遇到问题提出了解决的方法。
According to the numerical simulation of heavy-duty diesel engine to raise power, two methods to assess the strength of cylinder head bolt, static calculation and fatigue stress check, are introduced.
结合大功率柴油机提升功率的数值计算工作,介绍了评估气缸盖螺栓强度的两种方法:静强度分析法和疲劳强度校核法。
In the design of articulation hole bolt, the blur variable and random variable existing at the same time, the blur reliability design method of shear strength and extruding strength are approached.
探讨了在铰制孔用螺栓设计中,模糊变量与随机变量同时存在时,抗剪强度与挤压强度的模糊可靠性设计方法。
The geometrical parameters of a screw bolt are important factors that affect the fatigue strength of the bolted joints.
螺拴的几何参数是影响螺栓联接疲劳强度的重要因素。
The geometrical parameters of a screw bolt are important factors that affect the fatigue strength of the bolted joints.
螺拴的几何参数是影响螺栓联接疲劳强度的重要因素。
应用推荐