A kind of foundation pit deformation measuring device and measuring method
A technology for measuring devices and foundation pits, applied in electromagnetic measuring devices, electric/magnetic solid deformation measurement, etc., can solve problems such as lagging of measurement results, and achieve reliable results, wide application prospects, and convenient use
Active Publication Date: 2020-08-18
SOUTHEAST UNIV
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[0005] The invention provides a foundation pit deformation measurement device and measurement method, which can measure the deformation of the foundation pit in real time and efficiently, and solve the hysteresis problem of the measurement results in the existing foundation pit deformation measurement
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[0032] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0033] Such as Figure 1-Figure 8 As shown, the present invention includes the following feature parts: 1 is an outer cylinder, 2 is a miniature ranging sensor transmitter, 3 is a probe, 4 is an inner cylinder, 5 is an electrode rod, 6 is a steel roller steel ball, and 7 is a Electrolyte, 8 is the receiving device of the miniature distance measuring sensor, 9 is the spring, 10 is the small cylinder of the probe system, 11 is the probe buckle, 12 is the circular slider, 13 is the fixed small round block, 14 is the embedded Working cement blocks.
[0034] A foundation pit deformation measurement device according to the present invention comprises a measuring s...
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The invention relates to a measuring device for the foundation pit deformation and a measuring method. The measuring device comprises a measuring structure body and a tilt measuring device. An embedded working cement block fixes the measuring structure body near the contact point of the foundation pit to be tested. The side of the measuring structure body close to the contact point is provided with a probe system. The displacement deformation of the foundation pit is obtained by measuring the distance between the probe of the probe system and the contact point. The tilt measuring device can berotatably disposed inside the measuring structure body for correcting measurement errors caused by tilting of the measuring structure body. According to the measuring device for the foundation pit deformation and the measuring method, the deformation of the foundation pit can be measured in real time, and the hysteresis problem of the measurement results in the existing foundation pit deformationmeasurement is effectively solved.
Description
technical field [0001] The invention relates to a foundation pit deformation measuring device and a measuring method, belonging to the technical field of foundation pit construction engineering. Background technique [0002] At present, my country's infrastructure has entered the peak period of construction and is developing rapidly. Most engineering projects will carry out the construction of foundation pit excavation; during the excavation process of foundation pit, due to the limitation of the site, a large amount of materials are piled up around the foundation pit , and layered excavation makes the bottom of the pit uneven, or changes in the geological conditions of the excavation site will cause the foundation pit to be in an asymmetric stress state, which will cause uneven deformation of the foundation pit. [0003] The construction of foundation pits is often accompanied by strong environmental effects, and the excavation of foundation pits can easily cause changes in ...
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IPC IPC(8): G01B7/16
CPCG01B7/16
Inventor 王浩卫俊岭茅建校张一鸣赵亚宁沈惠军
Owner SOUTHEAST UNIV