prestressed forming

According to the principle of ring-like prestressing action and combined with the theory of elastic footing beam,the method is suggested to check the cracking strength of longitudinal tensile stress of concrete during construction stage of steel-lined prestressed concrete penstock.

根据环形预应力作用机理,结合弹性地基梁理论,提出了钢衬预应力混凝土压力管道在结构施工阶段的验算方法,给出了预应力筋束的最大间距,确定了预应力筋束分步张拉施工与荷载控制的方法。

Experimental study of high frequency induction thermal stress forming technology of plate;

板料高频感应热应力成形技术试验研究

According to the difference of heat source,thermal stress forming is divided into plate forming by line heating、laser forming and plate forming by high frequency induction heating.

热应力成形是一种通过不均匀加热产生的热应力来使板料成形的方法,与传统成形工艺相比具有显著优势。

Experimental Study on Shape Formation and Vertical Ultimate Load Capacity of Post-tensioned and Shaped Hypar Space Truss;

后张拉预应力成形鞍形网壳的成形和竖向极限承载力试验研究

Prediction of Defects in Tube Hydroforming Based on Forming Stress Limit

基于成形应力极限的管材液压成形缺陷预测

prestressed concrete box girder

用预应力混凝土建成的箱形梁

prestressed double tee

预应力成对t形混凝土板

Analysis of cracks in continual box-girder with prestressed concrete bridge and the measures of treatment

预应力混凝土箱形连续梁桥裂缝成因及处理

med ore-stressed concrete steel wire

预应力混凝土异形钢丝

Joint Effect of Tetramethylpyrazine (TMP) and Salvianolic Acid B (SAB) on Shear Stress Induced Thrombosis;

川芎嗪与丹参酚酸B联合干预剪应力诱导血栓形成的研究

Research on Simulation and Calculation Theory for Prestressed Concrete Box-girder Bridge with Corrugated Steel Webs;

波形钢腹板预应力混凝土箱梁结构计算理论及成桥仿真模拟

Effects of Substrate Preheating on Thermal Stress during Laser Metal Deposition Shaping

基板预热对激光金属沉积成形过程热应力的影响

Effects of Different Substrate Preheating Temperature on the Thermal stresses during Laser Metal Deposition Shaping

不同基板预热温度对激光金属沉积成形过程热应力影响的研究

Mechanical Analysis for Prefabrication Stage of Prestressed Concrete T Beams on Bridge

桥梁中预应力混凝土T形梁预制阶段力学分析

Deformable Analysis of the Prestressed Subassemblage Concrete Frame;

预压装配式预应力混凝土框架的变形分析

Study of Precast Large Segments of Corrugated Steel Webs of Prestressed Composite-beam Bridge

大节段预制波形钢腹板预应力组合梁桥研究

Geometric Shape Control of Precasting of PC Box Girder Segments by Short-Line Match Method

预应力混凝土箱梁短线法节段预制线形控制

PREDICTION OF DEFORMATION OF PRESTRESSED COMPOSITE SOIL NAILING WALLS BASED ON VERHULST MODEL

基于Verhulst模型的预应力复合土钉墙变形的预估

Circular prestressed concrete pole

GB4623-1994环形预应力混凝土电杆

Prestressed concrete ribbed roof slabs

GB16728-1997预应力混凝土肋形屋面板

Prediction of Welding Deformation & Residual Stress by FEM;

用有限元法预测焊接变形和残余应力