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发明授权
CN109374856B 观测透明土模型内部三维空间变形的试验装置及使用方法 有权

观测透明土模型内部三维空间变形的试验装置及使用方法
摘要：
本发明属于岩土工程模型试验技术领域，具体涉及一种观测透明土模型内部三维空间变化的试验装置及使用方法，所述的装置主要由加载系统、桩靴模型、模型箱、升降可视试验平台、CCD工业相机、传动系统a、传动系统b、传动系统c、激光器和电脑组成。通过升降可视试验平台调节操作高度，通过三个传动系统控制CCD工业相机和激光器的同步移动。本发明的装置结构简单、原理清楚、易于操作、成本较低；分别从两个方向对透明土模型进行多次切片拍照，便可以获取三维空间中每一节点的三个方向上的位移分量，可以非侵入式的、连续的监测土体内部三维空间变形的变化过程，真正实现了土体内部三维空间变形的测量。
摘要（英）：

The invention belongs to the technical field of model tests of geotechnical engineering and in particular relates to a testing device for observing deformation of three-dimensional space in a transparent soil model and an application method thereof. The device is mainly prepared from a loading system, a shoe model, a model casing, a lifting visual testing platform, a CCD industrial camera, a transmission system a, a transmission system b, a transmission system c, a laser and a computer. The operating height is adjusted by means of the lifting visual testing platform and the three transmissionsystems control the CCD industrial camera and the laser to move synchronously. The device provided by the invention is simple in structure, clear in principle, easy to operate and relatively low in cost; the transparent soil model are sliced and photographed from two directions, separately, to acquire displacement components of each node in the three-dimensional space in three directions conveniently; the change process of the deformation of the three-dimensional space of a soil mass can be monitored continuously in a non-invasive mode, so that the deformation of the three-dimensional space ofthe soil mass is measured truly.

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