filling core

The temperature characteristics of the piezoelectric ceramic embedded in concrete is researched experimentally.

分析了两种PZT压电陶瓷在混凝土试件中不同埋入深度条件下,其特征频率和等效电路参数的温度响应特性。

Based on the previous research on the stress and temperature characteristics of embedded piezoelectric ceramic,a piezo-embedded sensor was designed to monitor the stress and the temperature in concrete structure.

根据前期对埋入混凝土立方体模块中的压电陶瓷应力及温度特性,提出了一种旨在监测混凝土结构内部静应力及温度的压电埋入式应力温度传感器。

Stress intensity factors of crack tip were calculated for burial crack and surface crack by using fracture mechanics.

应用断裂力学方法,分别测定了原始状态、原始+电化学渗氢、步冷状态、步冷+热渗氢试样的断裂韧性KIC;计算了埋入裂纹和表面裂纹的裂纹尖端的应力强度因子KI。

A solid basis is laid for installing the hydroturbines of Dongping hydropower station by carrying out procedure control on built-in fittings, including draft tube, stay ring, spiral casing, liner of turbine pit and servomotor pit etc.

洞坪水电站水轮机埋入部分主要有尾水管、座环、蜗壳、机坑里衬、接力器坑衬等。

Improvement and Applied Study on Embedded Fiber Fabry-Perot Stain Sensor;

埋入式光纤法珀应变传感器的改进和应用研究