CN103422487B - Method for measuring settlement deformation by utilizing inclinometer and angle-adjustable converter - Google Patents
Method for measuring settlement deformation by utilizing inclinometer and angle-adjustable converter Download PDFInfo
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- CN103422487B CN103422487B CN201310361310.1A CN201310361310A CN103422487B CN 103422487 B CN103422487 B CN 103422487B CN 201310361310 A CN201310361310 A CN 201310361310A CN 103422487 B CN103422487 B CN 103422487B
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Abstract
The invention belongs to the technical field of measurement for the settlement deformation of high fills, and aims to provide a method applied to a V-shaped route in a single-free face high fill foundation horizontal plane and used for measuring the settlement deformation in a way of driving an inclinometer to move through an angle-adjustable converter by utilizing a measuring line. According to the technical scheme, by the method for measuring the settlement deformation by utilizing the inclinometer and the angle-adjustable converter, the inclinometer on the measuring line moves in settlement pipes through the angle-adjustable converter to measure the settlement deformation of a single-free face high fill foundation. The measurement method comprises the following steps of 1, selecting a reference point and an observation section; 2, burying the settlement pipes and the angle-adjustable converter; 3, observing and recording initial data; 4, measuring the elevations of section outlet points after settlement; 5, performing zero setting on the inclinometer; 6, measuring the settlement deformation; 7, organizing and analyzing data. The method is mainly used for measuring the settlement deformation of the single-free face high fill foundation.
Description
Technical field
The present invention utilizes inclinometer to measure the method for sedimentation and deformation by adjustable angle converter, belongs to the field of measuring technique of high roadbed sedimentation and deformation, the particularly measurement of V-shaped line road sedimentation and deformation in a kind of single free-face high fill foundation horizontal plane.
Background technology
Along with the expansion of China's capital construction scale, construction land day is becoming tight, more and more higher to the requirement of Land_use change.In recent years in order to avoid striving ground with good farmland, the development strategy that many cities propose " industry is gone out of the city, project is gone up a hill ", the engineering constructions such as a large amount of industrial premises, power plant, stockyard will be positioned at Hilly land, and this just makes to occur more evaluation in engineering.At present, high fill foundation filling body many employings back-filling in layers soil, the processing mode of compaction in layers or compacting.Control for the settling amount produced in high roadbed engineering seems particularly important.
In the method for existing measurement sedimentation and deformation, the overwhelming majority adopts vertical direction to carry out the measurement of discrete holes position; the method not only brings inconvenience to construction in the process reserved and protect of sedimentation hole; and measured data are only several discrete positions, hole, can not represent the sedimentation value of certain section completely.
And can only be applicable to have the high roadbed engineering of two free face for the method utilizing inclinometer to carry out straight line settlement observation in the horizontal direction at present.Limit to very much for only having the existing measuring method of high roadbed engineering of a free face to seem obviously.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved is to provide a kind of V-shaped line road be applicable in single free-face high fill foundation horizontal plane, utilizes lining rope to drive the method for inclinometer traverse measurement sedimentation and deformation by adjustable angle converter, measurement category is wide, accurately easy to use.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: utilize inclinometer to measure the method for sedimentation and deformation by adjustable angle converter, and the inclinometer be arranged on lining rope moves the sedimentation and deformation measuring the high fill foundation of single free-face in sedimentation pipe by adjustable angle converter;
The structure of adjustable angle converter is: comprise triangular prism framework, multi-angle adjustable slide wheels, junction block and overlay, multi-angle adjustable slide wheels are arranged on the inside of triangular prism framework, an incline of triangular prism framework is provided with guiding regulating tank post, the bottom of multi-angle adjustable slide wheels is sleeved in guiding regulating tank post, and guiding regulating tank post is provided with multiple adjustment hole and is fastened and fixed by set screw and multi-angle adjustable slide wheels, the lateral frame of two rectangles corresponding with the incline being provided with the regulating tank post that leads on triangular prism framework is hinged with respectively a junction block, the outer surface of described triangular prism framework is all provided with overlay and is provided with the rotary gap two lateral frames of junction block leaving and rotates for junction block, the structure of described multi-angle adjustable slide wheels is: the montant of T-shaped bar is sleeved in guiding regulating tank post, cross bar two ends of T-shaped bar are hinged with one end of a connecting rod respectively, the other end of each connecting rod is all provided with a pulley,
Measuring method comprises the steps:
The first step, selected reference point and measuring frequency section, establish datum mark in stable location, according to field engineering actual requirement and orographic condition, chooses the burial place of representative measuring frequency section as sedimentation pipe and adjustable angle converter, form V-arrangement measurement circuitry;
Second step, bury sedimentation pipe and adjustable angle converter underground, the measuring frequency section that the first step is selected lays two sedimentation pipes by the angle of requirement of engineering, sedimentation pipe stretches out measuring frequency section 0.5-1m, according to the position of two pulleys and the anglec of rotation of two junction blocks in described angle adjustment adjustable angle converter, and the adjustable angle converter adjusted is placed on the interface point position of two sedimentation pipes, each sedimentation pipe is communicated with a junction block respectively, a lining rope and lining rope is placed through two junction blocks in adjustable angle converter and two pulleys in two sedimentation pipes, the two ends of lining rope are each passed through two sedimentation pipes and stretch out measuring frequency section,
3rd step, observational record primary data, arranges an observation station at interval of 0.5m or 1m in sedimentation pipe, determines the absolute altitude of the section exit point of two sedimentation pipes with level measurement instrument basis of reference point and buries direction underground and record;
4th step, absolute altitude after the sedimentation of Measure section exit point, high fill foundation tamps one deck soil and after sedimentation after a while, with the absolute altitude after the section exit point sedimentation of level measurement instrument basis of reference point observation two sedimentation pipes and record;
5th step, inclinometer returns to zero, and the lining rope wherein in a sedimentation pipe connects inclinometer, and the cable of inclinometer is connected with indicator, and the mouth of pipe place of inclinometer at sedimentation pipe is corrected and returned to zero;
6th step, settlement deformation survey, pulls the lining rope one end of not installing inclinometer, drives the inclinometer in another sedimentation pipe to move, and reads the reflection data of inclinometer, line item of going forward side by side in each observation station;
7th step, data to arrange analysis.
In the 6th described step, inclinometer moves and after measuring and terminating in a sedimentation pipe, is placed into by inclinometer in another sedimentation pipe to repeat the 5th step and the 6th step carries out surveying record.
In the 6th described step when observation station is measured, pull lining rope to drive inclinometer multiple observation station commute repetitive measurement in a sedimentation pipe, and record each observation station reflection data.
In the 5th described step before inclinometer zeroing, first gauge head guide wheel aligned perpendicular guide groove is placed on 3-5 minute in corresponding sedimentation pipe.
When burying sedimentation pipe in described second step underground, counterpart is linked to be one section by section, often saves the half that sedimentation pipe is inserted in tube connector length, check each pipe joint connect good after could lay.
After described second step has buried sedimentation pipe underground, in the position grooving of section exit point, and at the end of sedimentation pipe concreting inspection shaft.
The level measurement instrument of described 3rd step and the 4th step Measure section exit point absolute altitude is spirit level, or is total powerstation.
The present invention compared with the existing technology has following beneficial effect.
1, the present invention by installing an adjustable angle converter between two sedimentation pipes, the mobile problem of inclinometer in sedimentation pipe during solution single free-face high fill foundation measurement sedimentation and deformation, two sedimentation pipes and adjustable angle converter form the V-shaped line road that has certain angle, move in sedimentation pipe by stretching lining rope traction inclinometer and carry out surveying record, finally obtain the sedimentation value of specific observation station, easy to use, measure cost low, and can not impact high fill foundation itself.
2, the present invention is due to the angular adjustability of adjustable angle converter, adjusting angle is 0 °-180 °, the angular range making lining rope two ends angle be applicable to the V-shaped line road that two sedimentation pipes are formed is 0 °-180 °, can be used for the settlement deformation survey of various single free-face high fill foundation, applied widely.
When 3, burying sedimentation pipe in the present invention underground, counterpart is linked to be one section by section, often saves the half that sedimentation pipe is inserted in tube connector length, check each pipe joint connect good after could lay, can prevent silt from entering in sedimentation pipe make measurement result formation deviation from connecting pipeline section.
4, when inclinometer returns to zero in the present invention, first gauge head guide wheel aligned perpendicular guide groove is placed on 3-5 minute in corresponding sedimentation pipe, gauge head and subsurface temperature can be made to balance, ensure measurement accuracy.
5, the present invention pulls lining rope to drive inclinometer commute repetitive measurement in a sedimentation pipe when settlement deformation survey, makes the measurement data of each observation station more accurate.
6, in the present invention, inclinometer moves and after measuring and terminating, is placed into by inclinometer in another sedimentation pipe and carries out surveying record, measure while achieving a measuring frequency section V-shaped line road in a sedimentation pipe, with low cost, easy to use, time saving and energy saving.
7, the present invention is after having buried sedimentation pipe underground, and in the position grooving of section exit point, and at the end of sedimentation pipe concreting inspection shaft, protection sedimentation pipe, avoids the high fill foundation sedimentation pipe that to banket between sedimentation period to damage.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the sedimentation pipe of the present invention on high fill foundation measuring frequency section and adjustable angle converter horizontal layout schematic diagram.
Fig. 2 is the settling phase schematic diagram of sedimentation pipe and adjustable angle converter after sedimentation and deformation in the present invention.
Fig. 3 is the layout schematic diagram measuring section exit point absolute altitude before and after sedimentation in the present invention with level measurement instrument basis of reference point.
Fig. 4 is the structural representation of adjustable angle converter in the present invention.
Fig. 5 is the structural representation that sedimentation pipe and adjustable angle converter are installed in the multiple positions of the present invention on single free-face high fill foundation measuring frequency section.
In figure: 1 is triangular prism framework, 2 is multi-angle adjustable slide wheels, and 3 is junction block, and 4 is lining rope, 5 is guiding regulating tank post, and 6 is sedimentation pipe, and 7 is adjustable angle converter, and 8 is high fill foundation, 9 is inclinometer, and 10 is level measurement instrument, and 11 is datum mark, and 12 is free face.
Detailed description of the invention
The present invention utilizes inclinometer to measure the method for sedimentation and deformation by adjustable angle converter, and the inclinometer 9 be arranged on lining rope 4 moves the sedimentation and deformation measuring the high fill foundation 8 of single free-face in sedimentation pipe 6 by adjustable angle converter 7;
As shown in Figure 4, the structure of adjustable angle converter 7 is: comprise triangular prism framework 1, multi-angle adjustable slide wheels 2, junction block 3 and overlay, multi-angle adjustable slide wheels 2 are arranged on the inside of triangular prism framework 1, an incline of triangular prism framework 1 is provided with guiding regulating tank post 5, the bottom of multi-angle adjustable slide wheels 2 is sleeved in guiding regulating tank post 5, and guiding regulating tank post 5 is provided with multiple adjustment hole and is fastened and fixed by set screw and multi-angle adjustable slide wheels 2, the lateral frame of two rectangles corresponding with the incline being provided with the regulating tank post 5 that leads on triangular prism framework 1 is hinged with respectively a junction block 3, the outer surface of described triangular prism framework 1 is all provided with overlay and is provided with the rotary gap two lateral frames of junction block 3 leaving and rotates for junction block 3, the structure of described multi-angle adjustable slide wheels 2 is: the montant of T-shaped bar is sleeved in guiding regulating tank post 5, cross bar two ends of T-shaped bar are hinged with one end of a connecting rod respectively, the other end of each connecting rod is all provided with a pulley,
Measuring method comprises the steps:
The first step, selected reference point and measuring frequency section, as shown in Figure 3, datum mark is established in stable location, according to field engineering actual requirement and orographic condition, choose the burial place of representative measuring frequency section as sedimentation pipe 6 and adjustable angle converter 7, form V-arrangement measurement circuitry;
Second step, bury sedimentation pipe 6 and adjustable angle converter 7 underground, as shown in Figure 1, the measuring frequency section that the first step is selected lays two sedimentation pipes 6 by the angle of requirement of engineering, sedimentation pipe 6 stretches out measuring frequency section 0.5-1m, according to the position of interior two pulleys of described angle adjustment adjustable angle converter 7 and the anglec of rotation of two junction blocks 3, and the adjustable angle converter 7 adjusted is placed on the interface point position of two sedimentation pipes 6, each sedimentation pipe 6 is communicated with a junction block 3 respectively, place a lining rope 4 in two sedimentation pipes 6 and lining rope 4 through two junction blocks 3 in adjustable angle converter 7 and two pulleys, the two ends of lining rope 4 are each passed through two sedimentation pipes 6 and stretch out measuring frequency section,
3rd step, observational record primary data, arranges an observation station at interval of 0.5m or 1m in sedimentation pipe 6, determines the absolute altitude of the section exit point of two sedimentation pipes 6 with level measurement instrument 10 basis of reference point and buries direction underground and record,
4th step, absolute altitude after the sedimentation of Measure section exit point, high fill foundation tamps one deck soil and after sedimentation after a while, with the absolute altitude after the section exit point sedimentation of level measurement instrument 10 basis of reference point observation two sedimentation pipes 6 and record;
5th step, inclinometer returns to zero, and the lining rope 4 wherein in a sedimentation pipe 6 connects inclinometer 9, and the cable of inclinometer 9 is connected with indicator, and the mouth of pipe place of inclinometer 9 at sedimentation pipe 6 is corrected and returned to zero;
6th step, settlement deformation survey, pulls lining rope 4 one end of not installing inclinometer 9, drives the inclinometer 9 in another sedimentation pipe 6 to move, and reads the reflection data of inclinometer 9, line item of going forward side by side in each observation station;
7th step, data to arrange analysis.
In the 6th described step, inclinometer 9 moves and after measuring and terminating in a sedimentation pipe 6, is placed into by inclinometer 9 in another sedimentation pipe to repeat the 5th step and the 6th step carries out surveying record, measure while achieving a measuring frequency section V-shaped line road, with low cost, easy to use, time saving and energy saving.
In the 6th described step when observation station is measured, pull lining rope 4 to drive inclinometer 9 multiple observation station commute repetitive measurement in a sedimentation pipe 6, and record each observation station reflection data, make the measurement data of each observation station more accurate.
In the 5th described step before inclinometer zeroing, first gauge head guide wheel aligned perpendicular guide groove is placed on 3-5 minute in corresponding sedimentation pipe 6, gauge head and subsurface temperature can be made to balance, ensure measurement accuracy.
When burying sedimentation pipe 6 in described second step underground, counterpart is linked to be one section by section, often saves the half that sedimentation pipe is inserted in tube connector length, check each pipe joint connect good after could lay, can prevent silt from entering sedimentation pipe 6 from connection pipeline section interior and make measurement result formation deviation.
After described second step has buried sedimentation pipe underground, in the position grooving of section exit point, and at the end of sedimentation pipe 6 concreting inspection shaft.
The level measurement instrument 10 of described 3rd step and the 4th step Measure section exit point absolute altitude is spirit level, or is total powerstation.
As shown in Figure 3, section exit point absolute altitude before and after sedimentation is measured with level measurement instrument 10 basis of reference point, level measurement instrument 10 for reference, measures the absolute altitude of A ＇ after A point absolute altitude and sedimentation before the section exit point sedimentation on the free face 12 of high fill foundation 8 with previously selected datum mark 11 respectively.
Inclinometer 9 is existing instrument, is widely used in the vertical displacement of measuring the works such as earth and rockfill dam, face dam, rock mass slope, civil engineering foundation pit, roadbed, and inclinometer 9 coordinates sedimentation pipe 6 can Reusability.
The position adjustment of two pulleys and two junction blocks 3 in adjustable angle converter 7, the angular range making lining rope 4 two ends angle be applicable to the V-shaped line road that two sedimentation pipes 6 are formed is 0 °-180 °, to be applicable in single free-face high fill foundation horizontal plane the measurement of the V-shaped line road sedimentation and deformation that two sedimentation pipes are formed.
Because the cost of the sedimentation pipe 6 that uses in the present invention and adjustable angle converter 7 is lower, the position detected is needed all to bury adjustable angle converter 7 and two sedimentation pipes 6 underground in can banketing at every layer, measure respectively for the banket sedimentation and deformation of diverse location of each layer, to the bulk settling of the research soil body, there is very large reference value.
Be illustrated in figure 5 the view that multiple adjustable angle converter 7 and sedimentation pipe 6 are buried underground with different angles at high fill foundation 8 one measuring frequency section diverse locations of single free-face.
Computing Principle:
As shown in Figure 2, in the process of high roadbed construction, soil is layered rolling backfill, after high fill foundation is backfilling and compacted, section exit point A is settled down to A ＇, one of them observation station B is settled down to B ＇, according to the A ＇ absolute altitude after the absolute altitude of the section exit point A obtained in described 3rd step and the 4th step gained sedimentation, derives the settling amount Δ of section exit point A
a;
By inclinometer 9, described 6th step reflects that data to derive after sedimentation B ＇ relative to the difference in height h of A ＇
a-B;
Then B point is relative to the sedimentation value Δ of this backfill layer
bcomputing formula as follows:
Δ
B=Δ
A+ h
A-B。
Because the deadweight of inclinometer 9 is smaller, the vertical displacement therefore caused by its self gravitation is very little relative to the displacement of total sedimentation pipe 6, thus inclinometer 9 because of the vertical displacement caused by self gravitation negligible.
Claims (7)
1. utilize inclinometer to measure the method for sedimentation and deformation by adjustable angle converter, it is characterized in that: the inclinometer (9) be arranged on lining rope (4) moves the sedimentation and deformation measuring the high fill foundation (8) of single free-face in sedimentation pipe (6) by adjustable angle converter (7);
The structure of adjustable angle converter (7) is: comprise triangular prism framework (1), multi-angle adjustable slide wheels (2), junction block (3) and overlay, multi-angle adjustable slide wheels (2) are arranged on the inside of triangular prism framework (1), an incline of triangular prism framework (1) is provided with guiding regulating tank post (5), the bottom of multi-angle adjustable slide wheels (2) is sleeved in guiding regulating tank post (5), and guiding regulating tank post (5) is provided with multiple adjustment hole and is fastened and fixed by set screw and multi-angle adjustable slide wheels (2), the lateral frame of upper two rectangles corresponding with the incline being provided with the regulating tank post (5) that leads of triangular prism framework (1) is hinged with a junction block (3) respectively, the outer surface of described triangular prism framework (1) is all provided with overlay and is provided with the rotary gap two lateral frames of junction block (3) leaving and rotates for junction block (3), the structure of described multi-angle adjustable slide wheels (2) is: the montant of T-shaped bar is sleeved in guiding regulating tank post (5), cross bar two ends of T-shaped bar are hinged with one end of a connecting rod respectively, the other end of each connecting rod is all provided with a pulley,
Measuring method comprises the steps:
The first step, selected reference point and measuring frequency section, establish datum mark in stable location, according to field engineering actual requirement and orographic condition, choose the burial place of representative measuring frequency section as sedimentation pipe (6) and adjustable angle converter (7), form V-arrangement measurement circuitry;
Second step, bury sedimentation pipe (6) and adjustable angle converter (7) underground, the measuring frequency section that the first step is selected lays two sedimentation pipes (6) by the angle of requirement of engineering, sedimentation pipe (6) stretches out measuring frequency section 0.5-1m, according to the described angle adjustment position of adjustable angle converter (7) interior two pulleys and the anglec of rotation of two junction blocks (3), and the adjustable angle converter (7) adjusted is placed on the interface point position of two sedimentation pipes (6), each sedimentation pipe (6) is communicated with a junction block (3) respectively, place lining ropes (4) in two sedimentation pipes (6) and lining rope (4) through two junction blocks (3) in adjustable angle converter (7) and two pulleys, the two ends of lining rope (4) are each passed through two sedimentation pipes (6) and stretch out measuring frequency section,
3rd step, observational record primary data, arranges an observation station at interval of 0.5m or 1m in sedimentation pipe (6), determines the absolute altitude of the section exit point of two sedimentation pipes (6) with level measurement instrument (10) basis of reference point and buries direction underground and record;
4th step, absolute altitude after the sedimentation of Measure section exit point, high fill foundation tamps one deck soil and after sedimentation after a while, with the absolute altitude after the section exit point sedimentation of level measurement instrument (10) basis of reference point observation two sedimentation pipes (6) and record;
5th step, inclinometer returns to zero, and the lining rope (4) wherein in a sedimentation pipe (6) connects inclinometer (9), and the cable of inclinometer (9) is connected with indicator, and the mouth of pipe place of inclinometer (9) at sedimentation pipe (6) is corrected and returned to zero;
6th step, settlement deformation survey, pulls lining rope (4) one end of not installing inclinometer (9), drives the inclinometer (9) in another sedimentation pipe (6) mobile, reads the reflection data of inclinometer (9), line item of going forward side by side in each observation station;
7th step, data to arrange analysis.
2. the inclinometer that utilizes according to claim 1 measures the method for sedimentation and deformation by adjustable angle converter, it is characterized in that: in the 6th described step, inclinometer (9) move in the sedimentation pipe (6) and after measuring and terminating, inclinometer (9) is placed into repetition the 5th step and the 6th step in another sedimentation pipe and carries out surveying record.
3. the inclinometer that utilizes according to claim 1 and 2 measures the method for sedimentation and deformation by adjustable angle converter, it is characterized in that: in the 6th described step when observation station is measured, pull lining rope (4) to drive inclinometer (9) multiple observation station commute repetitive measurement in a sedimentation pipe (6), and record each observation station reflection data.
4. the inclinometer that utilizes according to claim 1 and 2 measures the method for sedimentation and deformation by adjustable angle converter, it is characterized in that: in the 5th described step before inclinometer zeroing, first gauge head guide wheel aligned perpendicular guide groove is placed on 3-5 minute in corresponding sedimentation pipe (6).
5. the inclinometer that utilizes according to claim 1 and 2 measures the method for sedimentation and deformation by adjustable angle converter, it is characterized in that: when burying sedimentation pipe (6) in described second step underground, counterpart is linked to be one section by section, often save the half that sedimentation pipe is inserted in tube connector length, checking that each pipe joint connects well could lay.
6. the inclinometer that utilizes according to claim 1 and 2 measures the method for sedimentation and deformation by adjustable angle converter, it is characterized in that: after described second step has buried sedimentation pipe underground, in the position grooving of section exit point, and at the end concreting inspection shaft of sedimentation pipe (6).
7. the inclinometer that utilizes according to claim 1 and 2 measures the method for sedimentation and deformation by adjustable angle converter, it is characterized in that: the level measurement instrument (10) of described 3rd step and the 4th step Measure section exit point absolute altitude is spirit level, or is total powerstation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310361310.1A CN103422487B (en) | 2013-08-19 | 2013-08-19 | Method for measuring settlement deformation by utilizing inclinometer and angle-adjustable converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310361310.1A CN103422487B (en) | 2013-08-19 | 2013-08-19 | Method for measuring settlement deformation by utilizing inclinometer and angle-adjustable converter |
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| CN103422487A CN103422487A (en) | 2013-12-04 |
| CN103422487B true CN103422487B (en) | 2015-03-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104959326A (en) * | 2015-07-12 | 2015-10-07 | 安徽捷迅光电技术有限公司 | Color selector line checking tooling |
| CN112942296B (en) * | 2021-02-26 | 2022-07-19 | 中国地质大学（武汉） | Foundation settlement monitor and monitoring method |
| CN113340270B (en) * | 2021-06-29 | 2023-02-21 | 中核华辰建筑工程有限公司 | Sedimentation measurement method for working well |
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| CN101319894A (en) * | 2008-07-03 | 2008-12-10 | 上海交通大学 | Method for testing land subsidence caused by underground spacing |
| CN101575861A (en) * | 2009-06-01 | 2009-11-11 | 上海市第二市政工程有限公司 | Method for monitoring the settlement by using inclinometer tube |
| KR20090116209A (en) * | 2008-05-06 | 2009-11-11 | (주)지엠지 | Ground subsidence measuring apparatus and system using for the same |
| CN202928559U (en) * | 2012-11-14 | 2013-05-08 | 江苏省交通科学研究院股份有限公司 | Metro running tunnel settlement observation device |
| CN103195043A (en) * | 2013-04-01 | 2013-07-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Extensible settlement and incline measuring pipe for measuring settlement and horizontal displacement and mounting method thereof |
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2013
- 2013-08-19 CN CN201310361310.1A patent/CN103422487B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090116209A (en) * | 2008-05-06 | 2009-11-11 | (주)지엠지 | Ground subsidence measuring apparatus and system using for the same |
| CN101319894A (en) * | 2008-07-03 | 2008-12-10 | 上海交通大学 | Method for testing land subsidence caused by underground spacing |
| CN101575861A (en) * | 2009-06-01 | 2009-11-11 | 上海市第二市政工程有限公司 | Method for monitoring the settlement by using inclinometer tube |
| CN202928559U (en) * | 2012-11-14 | 2013-05-08 | 江苏省交通科学研究院股份有限公司 | Metro running tunnel settlement observation device |
| CN103195043A (en) * | 2013-04-01 | 2013-07-10 | 水利部交通运输部国家能源局南京水利科学研究院 | Extensible settlement and incline measuring pipe for measuring settlement and horizontal displacement and mounting method thereof |
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