应变仪

A comparison was made between the strain gaugetechnique and quartz-tube dilatometer technique.

指出了应变片法相对于传统的石英管膨胀仪法的优点及测试中需注意的事项。

Measurement of the lateral strain can be accomplished using a lateral extensometer.

侧向应变可用侧向引伸仪来测量。

To provide optical fiber: Fiber Distributed Temperature Stress Test System, Fiber Distributed Temperature Measurement System, Fiber Bragg Grating Health Monitoring System, fiber optic geophone systems, fiber Bragg grating wavelength calibration instrument and so on, which sensor product line is extremely rich and has industry representation, including: fiber optic temperature hygrometer, fiber-optic gas alarm, fiber-optic magnetic field sensors, optical fiber vibration sensor, fiber-optic high temperature pressure sensors, fiber-optic WIM system , fiber optic strain gauge welding, fiber optic embedded strain gauge, optical soil pressure gauge, fiber reinforcement meter, fiber optic pressure ring, fiber-optic displacement meter, fiber cracks meter, fiber optic osmometer, fiber-optic temperature sensor high temperature , optical fiber cable meter and so on.

北京达卡科技有限公司光纤方面提供：光纤分布式应力温度测试系统、光纤分布式温度测试系统、光纤光栅健康监测系统、光纤地震检波系统、光纤光栅波长校验仪等，其中传感器产品线极为丰富和具有行业代表性，包括：光纤温湿度计、光纤瓦斯报警器、光纤磁场传感器、光纤振动传感器、光纤耐高温高压传感器、光纤动态称重系统、光纤焊接式应变计、光纤埋入式应变计、光纤土压力计、光纤钢筋计、光纤压力环、光纤位移计、光纤裂缝计、光纤渗压计、光纤耐高温温度传感器、光纤钢索计等。

Tensor is a strain gauge used to measure the direction of the plane on three different levels of strain changes its beauty lies in obtaining the largest and the smallest strain, shear strain, as well as other components of the contingency money and direction.

一种是张量应变测量仪用于测量三个不同平面方向上的水平应变变化，其优点在于可以计算出最大、最小应变、剪切应变以及其他应变分量的量值和方向。

The telesignal produced by sensor was sieved, magnified and transformed by strain gauge.

传感器产生的电信号由应变仪进行滤波、放大和I/V转换。

Measured the basic physical parameters of unsaturated soils in Three Gorges Reservoir area; 2 measured the initial sample matric suction using the unsaturated triaxial testing system, which can be used to evaluate the unsaturated soil strength and stress; 3 the drying and moisture absorption experiments were executed using the Tempe apparatus, and got the Soil-Water Characteristic Curve, permeability coefficients of every stress level were simulated according to the parameters from the SWCC; 4 the unsaturated soil strength tests were carried out using the GDS triaxial testing system, then got the Mohr circle and shear strength parameters; the results from different stress paths were compared; meanwhile, the axial strain-stress ratio-volume strain curve of different matric suction and different radial pressure was got, as well as their relationship; The research, which provided the necessary data and reference for Three Gorges Reservoir area geologic disaster, is the basic component of Three Gorges Reservoir geologic disaster prevention and research, and experimental results will be used directly in the project.

1量测了三峡库区非饱和土的基本物性参数； 2用非饱和土三轴试验仪量测了试样的初始基质吸力，为评估非饱和土的强度和应力水平提供参考； 3用Tempe仪和体积压力板仪进行了非饱和土的干燥和吸湿试验，得到了土-水特征曲线，并根据其参数拟合出各级吸力状态下对应的渗透系数； 4用GDS三轴仪进行了强度试验，得到了Mohr圆和抗剪强度参数；并比较分析了不同应力路径下试验结果；同时得到不同吸力和不同围压下轴向应变-应力比-体应变的关系曲线和其相互关系。该研究是三峡库区地质灾害防治研究工作的基础性工作，其结果将直接应用到工程实际中，为三峡库区地质灾害提供必要的数据和参考。

The third series of products are vibrating-wire sensors and 6 sets of testing instruments, including TX soil-pressure gauge, GX reinforcement forcemeter, FX counterforce gauge, SX pore pressure gauge, BX strain gauge, XX concrete stress gauge, MX rope dynamometer, vibrating-wire frequency meter, declinator, water-level meter and settlement meter, all of which are used for geotechnical engineering tests.

第三大系列为各类钢弦式传感器，仪器检测试验设备6套。产品主营有TX型土压力计、GX型钢筋测力计、FX型反力计、SX型孔隙水压力计、BX型应变计、XX混凝土应力计、MX锚索测力计、振弦式频率仪、测斜仪、水位仪、沉降仪、系列用于各类土工检测。

Primary analysis and discussion on some typical earthquake precursor anomalies which appear in the range of 500 km are done according to the data recorded by the RZb-1 type digital strain gauge with high precision and broad channel.

就库尔勒台用高精度RZB-1型宽频带数字应变仪先后在500 km范围内记录到的几次较典型的MS5.5左右地震的前兆异常作了初步分析与探讨。

Sensor type: strain gauge with input: 0–400 Kg and output voltage: 0–20 mV.

传感器类型：应变仪输入： 400公斤，输出电压： 0-20 mV之间。

The status of strain grid measuring research in the world and the importance of strain grid measuring technology to FLD are summarized.

综合分析了国内外网格应变测量的研究情况以及应变测量对于FLD的重要性及意义，设计了专门的网格应变用显微测量仪，并选择了合适的CCD和图像采集卡，构成了板料网格应变显微测量的桌面系统。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。