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Device and method for simulating disaster-causing mechanism of three-dimensional animal caves in homogenous dam

A technology for dams and caves is applied in the field of devices for simulating three-dimensional animal cave disaster mechanisms in homogeneous dams.

Active Publication Date: 2019-09-27
NANJING HYDRAULIC RES INST
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  • Abstract
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Problems solved by technology

However, there are few centrifugal test devices for the failure mechanism of homogeneous dams with caves, especially those with three-dimensional cave networks

Method used

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  • Device and method for simulating disaster-causing mechanism of three-dimensional animal caves in homogenous dam
  • Device and method for simulating disaster-causing mechanism of three-dimensional animal caves in homogenous dam
  • Device and method for simulating disaster-causing mechanism of three-dimensional animal caves in homogenous dam

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Embodiment Construction

[0045] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific preferred embodiments.

[0046] In the description of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "left side", "right side", "upper", "lower" are based on the orientations or positional relationships shown in the accompanying drawings, and are only For the purpose of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, "first", "second" and the like do not represent components importance, and therefore should not be construed as limiting the invention. The specific dimensions used in this embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present in...

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Abstract

The invention discloses a device and method for simulating a disaster-causing mechanism of three-dimensional animal caves in a homogenous dam. The device comprises a centrifugal model box, a supporting mechanism, a drawing adjustment mechanism, a cave simulation frame and a safety detection mechanism; the drawing adjustment mechanism comprises a sliding rail, a sliding block and a horizontal drawing driving device; the cave simulation frame comprises a circular ring and three or more straight rods; one ends of the straight rods are circumferentially and evenly distributed on the end face of the circular ring adjacent to a land-side slope face, vertex non-fixed ends are formed at the other ends of the straight rods and pre-embedded in the dam; by adjusting the included angle between each straight rod and the circular ring, the different three-dimensional animal caves are simulated; and the safety detection mechanism comprises a displacement sensor, an osmometer, a seepage monitoring sensor and an image measuring system. According to the device, after a dam model reaches the predetermined centrifugal acceleration, the three-dimensional cave networks of animals such as termite and badger are manufactured and simulated, appearing of the animal caves in the dam operation process is truly reflected, and the disaster-causing process and the disaster-causing mechanism of the three-dimensional animal caves under the complex hydraulic conditions are revealed.

Description

technical field [0001] The invention relates to the technical field of hydraulic embankment failure model tests, in particular to a device and method for simulating the disaster-causing mechanism of three-dimensional animal caves in homogeneous embankments. Background technique [0002] The centrifugal model test has the same stress level as the prototype, and has gradually become an important means in the field of dam failure mechanism research. Existing centrifuge model tests of dykes focus on flooding, hydraulic splitting and other aspects. [0003] There are 290,000 km of dikes and 98,000 reservoirs and dams in my country. Although most of the dikes and dams have been built up to the standard or reinforced, due to their large volume and wide area, many dikes and small reservoir dams still have safety hazards such as poor local quality and distribution of animal and plant caves. These potential safety hazards are the weak link in the embankment project and the short boa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B25/04
CPCG09B25/04
Inventor 胡江马福恒王春红叶伟李子阳霍吉祥邱莉婷周海啸
Owner NANJING HYDRAULIC RES INST
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