Experimental and analytical studies are conducted to investigate the time-dependent behaviors of 4 prestressed concrete track girder models(1∶5) of urban light rail for about 500 days.
通过4根1∶5城市轻轨预应力混凝土轨道梁模型的500 d长期试验,对其时随性能进行较系统的研究与分析,重点考察混凝土种类、截面上下缘应力差等因素对轨道梁徐变变形、徐变应变、截面曲率、钢筋应力及预应力筋应变等的影响。
By static and fatigue test,the load-bearing capacity of DTS-1 prestressed concrete sleepers is studied and the reasonableness of its designed cross-section is analysed.
用静载和疲劳试验的方法，研究了DTS－1型预应力混凝土轨枕的承载能力，并分析了设计截面的合理性。
Tensioning and Unloading Machine (TUM) of Prestressed Concrete Sleeper (PCS) is the core equipment in the process of sleeper production.
预应力混凝土轨枕自动张拉机是整个轨枕加工过程中的核心设备，它的好坏将直接影响到轨枕预应力施工质量，目前市场上存在的轨枕张拉机多采用液压千斤顶的形式，仅仅能完成钢筋张拉的过程，不能完成卸载的过程，且由于采取间接的方法来测量钢筋的张拉力，系统在实际运用中存在着很大的误差。
Accurate calculation on stress range of reinforcing steel is important for fatigue life verification of prestressed concrete members.
通过6片同时配有钢绞线和HRB400级普通钢筋的后张有粘结部分预应力混凝土T型梁的试验,研究了疲劳荷载下预应力混凝土构件中预应力钢筋和普通钢筋之间应力分配的发展规律。
By analysing the force of pre-stressed steel in prestressed concrete bending component,the change method of prestressed steel in prestressed concrete are introduced.
通过对预应力混凝土受弯构件的受力分析 ,提出了预应力混凝土受弯构件中预应力钢筋代换的基本方法。
Calculation method and influencing factors to secondary axial force for prestressed concrete frame beam;
预应力混凝土框架梁次轴力计算及其影响因素分析
Experiment study on seismic behavior of bonded prestressed and unbonded prestressed concrete flat beam frame;
有粘结和无粘结预应力混凝土扁梁框架抗震性能试验
Research on the prediction of deflection for prestressed concrete beams based on neural network;
基于神经网络的预应力混凝土梁挠度预测研究
prestressed concrete rail fastening
预应力混凝土轨条扣件
prestressed reinforced concrete sleeper
预应力钢筋混凝土轨枕
monoblock prestressed concrete sleeper
整体预应力混凝土轨枕
Construction Technology of the Prefabricated Sleeper of Prestressed Concrete;
预应力混凝土轨枕预制施工技术研究
Temperature Field Analysis for the Prestessed Concrete Box Girder
预应力混凝土箱型轨道梁温度场分析
Study of the Properties of Precracked-Prestressed Reinforcement Concrete Beam under Ultimate Prestressed Loading Condition
极限施力条件下预裂预应力钢筋混凝土梁性能研究
Evolution of Prestressed Concrete Overhead Bridges in Rail Transit
预应力混凝土轨道交通高架桥结构形式演化
precast prestressed concrete beam
预制预应力混凝土梁
prestressed precast concrete pile
预应力预制混凝土桩
Experimental Study on Cracks of Prestressed Steel Reinforced Concrete Members;
预应力钢骨混凝土构件裂缝试验研究
The Fatigue Properties of Pre-stressed Concrete Structures in an Erosive Environment with Fatigue Subjoining Freezing-thawing Circle;
预应力混凝土结构在冻融条件下疲劳损伤机理的研究
Design and construction of prestressed concrete pipe pile in poor geological conditions
预应力混凝土管桩在不良地质条件下的设计与施工
Institute of Concrete and Prestressed Concrete
混凝土及预应力混凝土分会
Study on Frost-Heave Stress and Thermal Stress of Concrete under Freezing Condition;
受冻条件下混凝土冻胀应力与温度应力的研究
The Design Method of Prestressed Concrete Strip Foundation Under Columns;
预应力混凝土柱下条形基础受力分析探讨
med ore-stressed concrete steel wire
预应力混凝土异形钢丝
centrifugal prestressed concrete pile
离心预应力混凝土桩
long line prestressed concrete
长钢丝预应力混凝土
