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Engineering geology crack measuring method and measuring device thereof

A measurement method and technology of engineering geology, which are applied in the fields of foundation structure engineering, field foundation soil survey, foundation structure test, etc., can solve the problem that the structure and accuracy of the device itself cannot easily and accurately measure the three-dimensional deformation of cracks and the limited use range. and other problems, to achieve the effect of not easy to be moved and damaged, easy to disassemble and carry, and cost saving.

Inactive Publication Date: 2012-10-10
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the inability to conveniently and accurately measure the three-dimensional deformation of cracks in the existing engineering geological fracture measurement method due to the defects of the device's own structure and precision, and to avoid the existing measurement method from being used in a wide range of applications. limitations, thus providing an engineering geological fracture measurement method and its measurement device

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  • Engineering geology crack measuring method and measuring device thereof
  • Engineering geology crack measuring method and measuring device thereof
  • Engineering geology crack measuring method and measuring device thereof

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Embodiment Construction

[0032] Referring to the accompanying drawings, specific embodiments of the present invention will be described in detail.

[0033] Make an engineering geological fracture measurement device, such as figure 1 As shown, on the same vertical line of the crack 1 in the geological body, select two places located on both sides of the crack and 20-40 cm away from the crack to excavate and bury a steel pipe base 3, and use concrete 2 for reinforcement pouring; two steel pipe supports 6 The fixed ends 4 at the lower end are respectively inserted into and fixed in the top steel pipes of the steel pipe bases 3 on both sides, and the top ends of the two steel pipe supports 6 are respectively connected with a fixed measuring rod 8 and a moving measuring rod 12 through pins 7, so that The fixed measuring rod 8 and the moving measuring rod 12 are hollow in design, and are connected by the multifunctional geological compass 6 in the middle. and the side are respectively designed with a stand...

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Abstract

The invention relates to an engineering geology crack measuring method and a measuring device thereof, and the device comprises two steel tube bases fixed at two sides of a crack of a geologic body respectively, and two steel tube supports inserted and fixed in the top steel tubes of the steel tube bases at two sides through fixed ends at the lower end. The top ends of the two steel tube supports are connected with a fixed measuring rod and a movable measuring rod by dowels, and the fixed measuring rod and the movable measuring rod are connected by a multifunctional geologic compass in the middle. The multifunctional geologic compass is designed to be cubic, and the fixed measuring rod is fixed in the inside of the compass and can rotate freely and is supported by the dowels of the measuring rod at two sides and a rotation gasket. The engineering geology crack measuring method overcomes the shortage in current engineering geology crack measuring methods that three-dimentional deformation of the crack can not be measured conveniently and accurately due to defects in structure and precision of a device itself, and prevents limitations in range of use of current measuring methods.

Description

technical field [0001] The invention relates to a method for measuring engineering geological fractures, in particular to a method for measuring surface engineering geological fractures and a measuring device thereof. Background technique [0002] Human activities such as engineering construction, excavation, blasting, and mining often cause damage and instability of rock and soil mass, resulting in the occurrence of surface cracks. The location where the cracks appear is the stress concentration area or the place where the strength of the rock and soil is relatively low. This may also be the precursor of geological disasters such as ground subsidence and subsidence. Its development and changes will naturally affect normal engineering construction, production, The safety of traffic roads and surface buildings. Therefore, mastering its changing trend is an important basis for engineering and technical personnel to take corresponding preventive and reinforcement measures in t...

Claims

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Application Information

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IPC IPC(8): E02D1/00E02D33/00
Inventor 郭捷马凤山赵海军魏爱华
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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