Test and Modeling of the Behavior of High-strength Bolted Connection with Sand Blasted Faying Surface

Hysteretic Behavior of High Strength Bolts-End Plate Connections for Concrete Filled Square Steel Tubular Columns

方钢管混凝土穿芯高强螺栓-端板节点滞回性能研究

Influence of Bolt Quality and Pitch on Shear Behaviors of High-strength Bolt Friction Connection

摩擦型高强螺栓抗剪连接的螺栓单排数量和间距因素分析

The most important reason for fatigue fracture of high strength bolts is stress concentration.

应力集中是高强螺栓发生疲劳断裂最主要的原因。

Seismic performance testing study on high strength bolt connections with slotted holes

长圆孔变型性高强螺栓节点抗震性能试验研究

Effective ways to raise through-hole rate of high-strength bolts for steel structures

提高钢结构高强螺栓过孔率的有效途径

The Calculation Method of High-Strength Bolt Connection in Slip-Critical Type

高强螺栓摩擦型连接的计算方法

3D Nonlinear FE Analysis on T-Stub Steel Connection

高强螺栓T型钢连接节点三维非线性有限元分析

Calculation of Loading-carrying Capacity of Semi-rigid High Strength Bolt T-stub Connections

半刚性T型钢高强螺栓连接承载力计算

Checking high-strength bolts uses a random method.

高强螺栓的验收，是采用随机抽查的方法。

On the difference between the friction type connection and pressure-bearing type connection with high-strength bolts

关于高强螺栓摩擦型连接和承压型连接区别的探讨

Special wrench Design for high strength bolts of tower crane

塔机高强螺栓专用扳手的设计

On steel structural high-strength bolt jointing construction

钢结构高强螺栓连接施工

Multistep Forging Forming and Temperature Field Couple Analysis of High Strength Bolt

高强螺栓多工序锻造成形与温度场耦合分析

High strength bolt connection design of steel structure in petrochemical plant

石油化工装置钢结构梁柱高强螺栓连接设计

Caisson Jointing Construction Over Water On steel structural high-strength bolt jointing construction

沉箱水上接高施工钢结构高强螺栓连接施工

Finite Element Modeling of Extended or Flush End-plate Connections with High Strength Bolts

高强螺栓延伸/齐平端板连接节点的有限元模拟

By means of hot-spot method we analyze the root of screw of high-strength bolt. Besides, on the basis of analysis above, amendment Miner ruler and mechanics of fracture respectively are adopted to study its fatigue life estimation.

另外，采用修正Miner法则和断裂力学方法对40Cr高强螺栓的疲劳寿命进行估算，同时引热点应力法对40Cr高强螺栓螺纹根部进行应力分析。

Analysis of fracture causes of high strength bolts

高强螺栓断裂原因分析

Wastewater treatment and environment protection have been tested, the results show that the effluent can steadily reach the standard of wastewater discharge for Ore-dressing plant and of irrigation for farmland.

本课题还进行了污水处理及环保试验研究，所得清水测定结果完全符合选矿厂洗矿水排放及农田灌溉水质标准。

Thirteen geothermal wells were investigated in Fuzhou area and xiong county. The most content of physical and chemical parameters in geothermal water can meet the hygienic standard for drinking water, aad standard of water quality for farmland irrigation.

对福州和雄县13眼地热井的调查结果表明：地热水中多数指标的含量符合生活饮用水和农田灌溉水质标准；