concrete “double column wave dissipation block” used for vertical quay wall is emphatically introduced in the paper.
重点介绍一种用于直立式岸壁的新型消浪块体即混凝土双柱消浪块 ,并对其结构特点、适用条件、消波原理、消波效果以及和天力消波块的对比试验结果进行分析。
At present,based on Lubinski model,pipe string mechanics is analyzed after packer setting,but the force changes of pipe string,transfer of buoyancy force,friction force brought by gas flowing in production can't be calculated before and after packer setting.
现有的管柱力学计算方法基本是建立在Lubinski模型的基础上,只能分析、计算封隔器坐封好后由于温度、压力的改变而产生的温度效应、活塞效应、鼓胀效应和螺旋弯曲效应,而对于封隔器坐封前后管柱受力的变化、浮力的转移、生产过程中气体的粘滞力则没有现成的计算模型。
The paper recommends the structure features,installation methods,pre-tension technique and method of pre-tensioning the column on 45?MN double power reverse extrude press in Northwestern Fabrication Company of Lanzhou Aluminum Company Limited,analyzes the relationship between pre-tensioned column and deformation of box rail and the effect of the deformation on the press.
介绍兰州铝业西北铝分公司45 MN双动反向挤压机叠片式预应力张力柱的结构特点、安装方式、预应力技术以及施加预应力的方法,分析施加预应力后张力柱和箱体上导轨变形关系以及对挤压机所产生的影响。
Mechanical analysis of downhole strings for two-layer fracturing and its application
两层压裂井下管柱力学分析及其应用
The Comprehensive Integrated Platform Development of Case Pipe Mechanics Analysis in Casing Drilling
套管钻井管柱力学分析综合集成平台开发
Software Development and Mechannics Analysis for Testing Pipeline in Highly Deviated Wells;
大位移井测试管柱力学分析及软件开发
Mechanics of Production and Operation Tubular in Oil-Water and Software Development
油水井生产作业杆管柱力学及软件开发
Application of Spring Theory to Mechanics Analysis of Downhole Pipe String
弹簧理论在井下作业管柱力学分析中的应用
Study on Mechanic of Concrete Filled CFRP-Steel Tube Column;
CFRP钢管混凝土柱的力学性能研究
Mechanical Behavior of PVC-FRP Confined Concrete Short-Column under Uniaxial Compression;
轴压PVC-FRP管混凝土短柱力学性能研究
Study on Behaviors of Square Concrete filled Steel Tubular Beams and Columns and Square Concrete with Reinforce Filled Steel Tubular Beams and Columns;
素方钢管砼与配筋方钢管砼梁柱力学性能研究
Research on Mechanical Behavior of Self-stressing and Self-compacting Concrete Filled Steel Tube Columns;
钢管自应力自密实混凝土柱力学性能研究
Study on the mechanical performance of self-stressing concrete-filled steel tube short column under axial loading
自应力钢管混凝土轴压短柱力学性能研究
Behaviour of Steel Beam to Concrete-Filled Steel Tubular Columns Frames;
钢管混凝土柱—钢梁平面框架的力学性能研究
Research on Mechanical Behavior of Square Steel Tube Columns Filled with Steel-Reinforced Self-Consolidating High-Strength Concrete;
钢骨—方钢管自密实高强混凝土柱力学性能研究
Study on the Mechanical Properties of Steel Tubular Columns Filled with Steel-Reinforced High-Strength Concrete;
钢骨—钢管高强混凝土组合柱力学性能的研究
Mechanics Behavior of a New Type of Concrete-filled Steel Tubular Column Joints;
新型钢管混凝土梁柱节点力学性能研究
Research on the Mechanical Properties of Axially Loaded GFRP Tubed Reinforced Concrete Columns;
GFRP套管钢筋混凝土柱轴压力学性能研究
Study on Mechanical Performance and Emperature Field of Concrete Filled Steel Tubular Short Columns under Axial Compression;
钢管混凝土短柱轴压力学性能与温度场研究
Research on Behavior of Axially Loaded Composite-sectioned Concrete-filled Square Steel Tube Column;
组合方钢管混凝土短柱轴压力学性能研究
Study on Mechanical Behavior of Eccentrically Loaded GFRP Tubed Short Reinforced Concrete Columns
GFRP套管钢筋混凝土短柱偏压力学性能研究