CN207959301U - House foundation deformation measuring device for Degradation assessments under mining influence - Google Patents

House foundation deformation measuring device for Degradation assessments under mining influence Download PDF

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Publication number
CN207959301U
CN207959301U CN201820315106.4U CN201820315106U CN207959301U CN 207959301 U CN207959301 U CN 207959301U CN 201820315106 U CN201820315106 U CN 201820315106U CN 207959301 U CN207959301 U CN 207959301U
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China
Prior art keywords
deviational survey
bar
displacement
house
survey bar
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Expired - Fee Related
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CN201820315106.4U
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Chinese (zh)
Inventor
廖孟光
李羲
李朝奎
卜璞
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Hunan University of Science and Technology
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Hunan University of Science and Technology
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Priority to CN201820315106.4U priority Critical patent/CN207959301U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

Problem to be solved in the utility model is how to measure the deformation of house foundation.House foundation deformation measuring device for Degradation assessments under mining influence, including deviational survey bar, hydrostatic level, displacement sensor, the fluid reservoir of hydrostatic level is mounted in deviational survey bar, each fluid reservoir is connected to by the communicating pipe of hydrostatic level, the quantity of deviational survey bar at least 4, it is inserted vertically into each corner in house outer, in the basis other than house foundation, it is horizontally installed with double-shaft tilt angle sensor on deviational survey bar, displacement sensor is between two adjacent deviational survey bars, displacement sensor both ends are respectively connected with one section of displacement bar, two displacement bars are mutually parallel, the other end of two displacement bars is connected with two adjacent deviational survey bar ends by universal rotational section respectively, displacement sensor, displacement bar, it is integrated in communicating pipe in same protection pipe.The device can measure the deformation on basis comprehensively;It avoids basic slope and the error for measuring and bringing is stretched to basis;The stretcher strain on energy precision real time measuring basis.

Description

House foundation deformation measuring device for Degradation assessments under mining influence
Technical field
The utility model is related to field of measuring technique, the especially deformation measurement on mining influence lower room basis.
Background technology
The exploitation of underground mineral can influence the stability of building structure on ground to a certain extent, even result in house Deformation and damage, therefore, exploitation unit need to compensate its loss.
Currently, the measure of indemnity of loss is mainly according to building cracks width and other structures deformation behaviour.This results in Some problems, 1. due to other non-mining influence factors, and house itself also will produce malformation, it is difficult to which it is to adopt to judge whether The damage brought, qualitative to reparation cause difficulty;2. the deformation structural strength with itself of mining influence lower room and Quality and its construction time limit relationship are very big, in the deformation of identical house foundation, knot that is high-quality, building the short house of the time limit Structure deformation is usually smaller, and obtaining after mining is compensated in the time limit, and the indemnity obtained is less, but due to foundation deformation It has been generated that, the maintenance cost in later stage increases severely, and use value substantially reduces, and is unfair for the owner in such house 's;3. some homeowners in order to obtain higher reparation, artificially expand building structure deformation intentionally, for example, using very heavy Top etc. increases the width in crack, and which results in the wastes of buildings and resources, have also ruined social conduct.
To solve the above-mentioned problems, the indemnity for damage foundation in change house is needed.Due to the foundation deformation and house in house Itself structural strength etc. is unrelated, while it is not influenced by human factor, accordingly it is contemplated that as reparation foundation.
Invention content
Problem to be solved in the utility model is how to measure the deformation of house foundation.
For the house foundation deformation measuring device of Degradation assessments under mining influence, including deviational survey bar, hydrostatic level, position The fluid reservoir of displacement sensor, hydrostatic level is mounted in deviational survey bar, and each fluid reservoir is connected to by the communicating pipe of hydrostatic level, is surveyed The quantity of brace at least 4, is inserted vertically into each corner in house outer, is located in the basis other than house foundation, deviational survey bar On be horizontally installed with double-shaft tilt angle sensor, for displacement sensor between two adjacent deviational survey bars, displacement sensor both ends are each It is connected with one section of displacement bar, two displacement bars are mutually parallel, and the other end of two displacement bars is logical with two adjacent deviational survey bar ends respectively It crosses universal rotational section to be connected, displacement sensor, is integrated in same protection pipe communicating pipe displacement bar.
Measuring rod material is plastics or metal, and length is between 1-3m.
Universal rotational section is the spherical of two ring sets and the total centre of sphere, intersection point of the centre of sphere in deviational survey bar and displacement rod axis On, wherein the spherical of outer layer is fixedly linked with deviational survey bar bottom end, and the spherical of internal layer passes through hole and the position of outer layer spherical Bar is moved to be fixedly linked.
There are two universal rotational section, two universal rotational sections are fixedly installed togather, survey up and down for every section of deviational survey bar bottom end Have at the top of brace and measure mark, usually the measurement mark is shunk in deviational survey bar, it is stretched out when measurement.
Since the double-shaft tilt angle sensor on deviational survey bar can react the inclination of house foundation, hydrostatic level and displacement sensing The deviational survey bar station-keeping data that device measures can react the relative settlement and stretching of basic each section, which can measure room comprehensively The deformation of toft plinth.
Underground mineral producing area is generally rural area, the height in house at two layers or so, therefore the foundation deformation in house with House weight itself is substantially unrelated, and the malformation in house itself is only related to its foundation deformation and structural strength, only needs to measure Foundation deformation, without measuring the malformation in house itself, while foundation deformation is not influenced by human factor, therefore, can be examined Consider as reparation foundation.
Have at the top of deviational survey bar and measure mark, usually the measurement mark is shunk in deviational survey bar, it is stretched out when measurement. Telescoping mechanism plays protective effect to measuring mark, avoids its long-term damage and deformation being exposed to suffered by the external world.
The deformation extent of house foundation is combined with the construction time limit in house, construction cost, as mining influence servant quarters The Main Basiss of room indemnity for damage standard, in the same circumstances, the construction time limit in house is shorter, and indemnity is accordingly higher.This The follow-up use value for building the short house of the time limit is compensated for a certain extent, and measure of indemnity is more reasonable, fair.
The level height of deviational survey bar is measured with hydrostatic level, high certainty of measurement, device is simple and feasible.
When measuring the distance between deviational survey bar bottom end, the point of rotation is the centre of sphere of spherical between deviational survey bar and displacement bar, This so that no matter how the angle of deviational survey bar changes, and the distance between displacement bar energy accurate response deviational survey bar bottom end avoids Basic slope stretches the error for measuring and bringing to basis.
Magnetostrictive displacement meter can be selected in displacement sensor, is combined with displacement bar, universal rotational section, can accurately in real time The stretcher strain of Fundamentals of Measurement.
Description of the drawings
Fig. 1 is the house foundation deformation measuring device structural schematic diagram for Degradation assessments under mining influence;
Fig. 2 is to measure mark partial enlargement structural representation;
Fig. 3 is hydrostatic level and displacement sensor partial enlargement structural representation;
In figure:1. deviational survey bar, 2. hydrostatic levels, 3. houses, 4. corners, 5. grounds, 6. bases, 7. double-shaft tilt angles pass Sensor, 8. displacement sensors, 9. displacement bars, 10. sphericals, 11. fluid reservoirs, 12. communicating pipes, 13. protection pipes, 14. measure mark Will, 15. universal rotational sections.
Specific implementation mode
For the house foundation deformation measuring device of Degradation assessments under mining influence, including deviational survey bar, hydrostatic level, position The fluid reservoir of displacement sensor, hydrostatic level is mounted in deviational survey bar, and each fluid reservoir is connected to by the communicating pipe of hydrostatic level, is surveyed The quantity of brace at least 4, is inserted vertically into each corner in house outer, is located in the basis other than house foundation, deviational survey bar On be horizontally installed with double-shaft tilt angle sensor, for displacement sensor between two adjacent deviational survey bars, displacement sensor both ends are each It is connected with one section of displacement bar, two displacement bars are mutually parallel, and the other end of two displacement bars is logical with two adjacent deviational survey bar ends respectively It crosses universal rotational section to be connected, displacement sensor, is integrated in same protection pipe communicating pipe displacement bar.The present embodiment is suitable for room The case where room distribution more disperses, when house integrated distribution, the distribution of net formula can be used in deviational survey bar, measures full wafer residential block house Foundation deformation.
Measuring rod material is plastics or metal, and length is between 1-3m.
Universal rotational section is the spherical of two ring sets and the total centre of sphere, intersection point of the centre of sphere in deviational survey bar and displacement rod axis On, wherein the spherical of outer layer is fixedly linked with deviational survey bar bottom end, and the spherical of internal layer passes through hole and the position of outer layer spherical Bar is moved to be fixedly linked.It is the sphere that diameter is more than 2mm to measure mark, is convenient for the alignment of laser facula, improves each multi-angle laser and surveys Away from accuracy.Actual range subtracts radius of sphericity equal to laser ranging.
There are two universal rotational section, two universal rotational sections are fixedly installed togather, survey up and down for every section of deviational survey bar bottom end Have at the top of brace and measure mark, usually the measurement mark is shunk in deviational survey bar, it is stretched out when measurement.
The application method of the device:
The fluid reservoir of hydrostatic level is coaxially mounted in deviational survey bar by a vertically, drilling, ditching on house foundation, will Deviational survey bar is inserted vertically into hole and is fixed, and initial tilt value is zero, will be set with communicating pipe, the displacement sensing of protection pipe Device, displacement bar are placed in ditch, record the reading of each fluid reservoir liquid level, the as initial relative altitude of deviational survey bar, then remember Displacement sensor reading is recorded, the initial relative distance of each deviational survey bar is measured, can determine deviational survey in conjunction with relative altitude, relative distance The relative position of bar bottom end, the inclination angle of relative position and deviational survey bar in conjunction with deviational survey bar, you can obtain the initial of each deviational survey bar Station-keeping data;
B, at regular intervals, record obliquity sensor reading measures the station-keeping data of each deviational survey bar;
C, in conjunction with the inclination value and station-keeping data of deviational survey bar, you can determine that house foundation tilts the deformation journey with sedimentation Degree.
When basic torsional deformation is apparent, using transit survey torsional deformation, method is to be positioned in theodolite At the deviational survey bar of house corner, measuring surface and the measurement mark on deviational survey bar top are contour, aim at the survey on the adjacent both sides in corner The measurement mark on brace top carries out angle measurement, and four, such house corner is respectively surveyed primary, you can measures house foundation angle The torsional deformation of quadrangle where falling deviational survey bar.
Double-shaft tilt angle sensor, hydrostatic level fluid reservoir liquid level reading and displacement sensor reading by wired or Wirelessly it is received acquisition.
After measuring every time, the state of ground near lower deviational survey bar is photographed to record, before measuring next time with there and then by it Planar condition compares and analyzes, and judges whether there is artificial the case where moving deviational survey bar.
After the deformation extent for determining house foundation, it is combined with the construction time limit in house, construction cost, as adopting Under the influence of damaged house measure of indemnity Main Basiss.
In the same circumstances, the construction time limit in house is shorter, and indemnity is accordingly higher.

Claims (4)

1. for the house foundation deformation measuring device of Degradation assessments under mining influence, it is characterized in that including deviational survey bar, static(al) water Quasi- instrument, displacement sensor, the fluid reservoir of hydrostatic level are mounted in deviational survey bar, and communicating pipe of hydrostatic level is by each fluid reservoir Connection, the quantity of deviational survey bar at least 4 are inserted vertically into each corner in house outer, are located in the basis other than house foundation, Double-shaft tilt angle sensor is horizontally installed on deviational survey bar, displacement sensor is between two adjacent deviational survey bars, displacement sensor Both ends are respectively connected with one section of displacement bar, and two displacement bars are mutually parallel, the other ends of two displacement bars respectively with two adjacent deviational survey bars End is connected by universal rotational section, and displacement sensor, is integrated in same protection pipe communicating pipe displacement bar.
2. special according to the house foundation deformation measuring device for Degradation assessments under mining influence described in claim 1 It is plastics or metal that sign, which is measuring rod material, and length is between 1-3m.
3. special according to the house foundation deformation measuring device for Degradation assessments under mining influence described in claim 1 It is two ring sets and the spherical of the centre of sphere altogether that sign, which be universal rotational section, the centre of sphere on the intersection point of deviational survey bar and displacement rod axis, The spherical of middle outer layer is fixedly linked with deviational survey bar bottom end, and the spherical of internal layer passes through the hole of outer layer spherical and displacement bar solid It is fixed to be connected.
4. the house foundation deformation measuring device for Degradation assessments under mining influence according to Claims 2 or 3, Characterized by every section of deviational survey bar bottom end there are two universal rotational section, two universal rotational sections are fixedly installed togather up and down, deviational survey Have at the top of bar and measure mark, usually the measurement mark is shunk in deviational survey bar, it is stretched out when measurement.
CN201820315106.4U 2018-03-08 2018-03-08 House foundation deformation measuring device for Degradation assessments under mining influence Expired - Fee Related CN207959301U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820315106.4U CN207959301U (en) 2018-03-08 2018-03-08 House foundation deformation measuring device for Degradation assessments under mining influence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820315106.4U CN207959301U (en) 2018-03-08 2018-03-08 House foundation deformation measuring device for Degradation assessments under mining influence

Publications (1)

Publication Number Publication Date
CN207959301U true CN207959301U (en) 2018-10-12

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108385739A (en) * 2018-03-08 2018-08-10 湖南科技大学 House foundation deformation measuring device and method for Degradation assessments under mining influence

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108385739A (en) * 2018-03-08 2018-08-10 湖南科技大学 House foundation deformation measuring device and method for Degradation assessments under mining influence
CN108385739B (en) * 2018-03-08 2023-05-05 湖南科技大学 House foundation deformation measuring device and method for damage evaluation under mining influence

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Granted publication date: 20181012

Termination date: 20210308