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Soil test soil body layered settlement measuring device and measuring method

A technology for soil testing and soil layering, which is applied in the direction of measuring devices, soil material testing, height/level measurement, etc. It can solve the problems that cannot be used to measure the settlement of the soil layer, affect the free settlement of the settling tube, and have limited test conditions, etc. problem, to achieve the effect of reducing error, weakening influence and high precision

Pending Publication Date: 2022-01-18
ZHEJIANG SCI-TECH UNIV
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Problems solved by technology

[0004] The disadvantage of the existing technology is that when the load is too large or eccentric during the loading process, the positioning rod will tilt and cause a large error; the sliding resistance of the positioning slide will increase with the increase of the use time, which affects The settling tube settles freely; the device cannot be used to measure the settlement of the soil layer under lateral loading, and the applicable test conditions are relatively limited

Method used

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  • Soil test soil body layered settlement measuring device and measuring method
  • Soil test soil body layered settlement measuring device and measuring method
  • Soil test soil body layered settlement measuring device and measuring method

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Embodiment Construction

[0039] The present invention will be described in further detail below in conjunction with accompanying drawing

[0040] The first preferred embodiment:

[0041] A kind of geotechnical experiment soil layered settlement measuring device, such as figure 1 with figure 2 As shown, it includes a base 1 and a placement platform 4 for keeping the device level. The base 1 includes support feet 12 at the bottom of the placement platform 4 and a chassis 11 at the bottom of the support feet 12 to provide stable support for the device.

[0042] Such as figure 1 As shown, it also includes a horizontal device 5 installed on the platform of the placing platform 4. The horizontal device 5 includes a universal level 51, which is used to verify whether the water storage tank 2 is kept horizontal during the experiment. If the water surface of the water storage tank 2 is inclined during the experiment , the position of the supporting feet should be adjusted in time to keep the water surface ...

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Abstract

The invention discloses a soil test soil body layered settlement measuring device and measuring method, relates to the field of soil test layered settlement measuring devices, and solves the problems that soil body settlement is difficult to measure in a layered manner in a soil model test and the like. According to the technical scheme, the device is characterized by comprising a base, a water storage tank and a water pressure detection assembly; the base provides a horizontal placement table for the water storage tank; the water pressure detection assembly comprises a settlement plate, a plurality of telescopic hoses and a water pressure sensor, the water pressure sensor is located in the bottom ends of the telescopic hoses and connected with the settlement plate in a welded mode, and the telescopic hoses are connected with the settlement plate in a welded mode to form a sealing structure. The technical effects are that the water pressure at the reference position and the water pressure at the measuring point are respectively measured so that the measurement of soil settlement is changed into the measurement of the water pressure in the system, and the water pressure is outputted and collected through the water pressure sensor. The soil layered settlement measuring device can be used for analyzing differential settlement of soil between piles and rigid piles, differential settlement of rigid and flexible piles and the like.

Description

technical field [0001] The invention relates to the field of geotechnical test equipment, in particular to a device and method for measuring layered settlement of soil for geotechnical tests. Background technique [0002] Soft soil layers are widely distributed in the eastern coastal areas of my country. Because soft soil has the characteristics of large void ratio, high moisture content, high compressibility but low shear strength, buildings located on soft soil layers are prone to irregular settlement. It causes phenomena such as cracking of the building wall, which brings great challenges to the quality of the building within the specified service life. In order to ensure the safety of buildings, the settlement detection of the foundation or pile foundation soil layer is particularly important. Due to the huge cost of field experiments, the high difficulty of experiments, and the complexity of field test conditions, indoor model testing has become the mainstream method of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C5/00G01N33/24E02D1/00
CPCG01C5/00G01N33/24E02D1/00
Inventor 刘开富潘云锋陈贤可徐越栋郑志均吴大志
Owner ZHEJIANG SCI-TECH UNIV
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