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Sand flow sediment transportation monitoring method

A wind-sand flow and sand-transporting technology, applied in the direction of measuring devices, testing of machines/structural components, instruments, etc., can solve problems such as inconvenient carrying, inconvenient sampling, and irregular shapes

Active Publication Date: 2012-11-07
XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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Problems solved by technology

However, the various gradient sand collectors currently used are relatively large in size or irregular in shape, and are inconvenient to carry, which makes on-site observation and sampling inconvenient

Method used

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  • Sand flow sediment transportation monitoring method
  • Sand flow sediment transportation monitoring method
  • Sand flow sediment transportation monitoring method

Examples

Experimental program
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Embodiment

[0028] A method for monitoring sand transport by a wind-blown sand flow according to the present invention, the device involved in the method is a gradient sand collection instrument, mainly composed of a sand collection channel 1, a sand guide channel 2, a sand storage box 3, a sand storage box plugging screw 4 and Closing cover 5 is made up, and concrete manufacturing steps are:

[0029] Make sand collection channel and sand storage box: use thin plate to process into pipes, cut into several pipes of equal length, arrange the pipes in parallel into an array, draw cutting lines on the side walls of the pipes, and the cutting section angles of adjacent pipes are different , are the acute angle γ and the right angle ( Figure 5 ); Figure 5 The right side is the sand collection channel 1, which is horizontally arranged in parallel with the bottom short and the top long, and the left side is the sand storage box 3, which is the horizontal parallel arrangement with the bottom sh...

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Abstract

The invention relates to a sand flow sediment transportation monitoring method, and a device adopted in the method is a trapezoidal sand sampler. The sand sampler comprises a sand collection passage, a sand guide passage, a sand storage box, a fixing plate, plugging screws of the sand storage box, and a seal cover. The trapezoidal sand sampler in the method is used for measuring indoor and outdoor sand transportation rate of sand flow and indoor and outdoor sand flow structures, collected sand can be taken out on the spot without the need of opening the sand sampler, and the sand sampler has the advantages of portability and convenience for operation, can improve the working efficiency and reduce the labor intensity, is applicable to areas of wide range, can be used at an arid area and a wet area, can be widely used for researching environment, ecology, aeolian landform, sand-proof engineering and other aspects.

Description

technical field [0001] The invention relates to a method for monitoring sand transport by wind and sand flow, and the method involves a sand blown environment monitoring instrument. Background technique [0002] The sand transport flux of near-surface wind-blown sand flow is the primary consideration in the study of wind-blown sand movement laws and engineering design of sandy areas. The sand collector is an important device for monitoring wind and sand flow in sand flow monitoring methods. According to the collection principle, the sand collector can be divided into active type and passive type. The active type is mostly used in wind tunnels, while the passive type can be used both indoors and outdoors. , is widely used due to its convenience. So far, various forms of passive sand collectors have been formed in the monitoring methods of wind-sand flow sand transport, and gradient sand collectors are the most widely used. However, the various gradient sand collectors curre...

Claims

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Application Information

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IPC IPC(8): G01M9/06
Inventor 李生宇雷加强徐新文王海峰凌裕泉屈建军
Owner XINJIANG INST OF ECOLOGY & GEOGRAPHY CHINESE ACAD OF SCI
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