针对深基坑开挖卸荷的实际应力状态，通过对常规应变控制式三轴仪的改造，设计了符合基坑开挖特点的三轴试验方法。
According to the realistic stress path of deep excavation, normal triaxial apparatus of strain control was transformed and triaxial test conforming to deep excavation characteristic was designed.
试验表明，路面材料收缩变形测试仪测试性能在准确性和稳定性等方面要优于应变仪。
The testing result indicate that the testing performance of constringency transmutation testing apparatus for pavement material is excel to the strain gauge in the stabilization and precision.
采用大型三轴仪对球形颗粒散粒体进行了应变式三轴试验。
Large scale triaxial shear test on spherical particle coarse aggregate is carried out.
利用自行改装后的三轴蠕变仪对海相沉积的营口软土进行蠕变试验，获得了在不同围压、不同偏应力条件下的剪切应变与时间关系数据。
The relationship between shear strain and time of Yingkou soft soil is obtained under a series of different cell pressures and different deviator stresses.
应用大型平面应变仪，进行了灰岩及细砂岩两种堆石的风干料及饱和固结排水平面应变试验。
The rockfill materials of limestone and fine sandstone were tested by large scale plane strain apparatus in air dry and saturated state respectively.
应用大型平面应变仪，进行了灰岩及细砂岩两种堆石的风干料及饱和固结排水平面应变试验。
The rockfill materials of limestone and fine sandstone were tested by large scale plane strain apparatus in air dry and saturated state respectively.
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