CN103954197B - A kind of lane surface displacement, deep displacement coordination measuring method - Google Patents
A kind of lane surface displacement, deep displacement coordination measuring method Download PDFInfo
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Abstract
A kind of lane surface displacement, deep displacement coordination measuring method.In tunnel, at least arrange a survey station, help middle part construction drill at survey station same vertical cross section upper plate and two, deep displacement meter is installed；Labelling lane surface displacement observation station on deep displacement counter device, according to " cross " observation method, measures lane surface displacement；According to formula Si=│ (Bn‑B1)│‑(SRead ni‑SRead 1i), calculate deep displacement actual value.Conventional lane surface displacement and deep displacement survey station are arranged on two sections, directly utilize surface displacement observation, according to formula Si=│ (Bn‑B1)│‑(SRead in‑SRead i1), obtain deep real displacement value inaccuracy, lane surface displacement and deep displacement survey station can be arranged on a section, eliminate the error caused because of different section measurement data, make result truer.The method is simple to operate, safe and reliable, and accuracy is high, has wide applicability and popularization.
Description
Technical field
The present invention is applicable to strata behavior analysis of roadway monitoring technical field, relates to a kind of lane surface displacement, the measurement of deep displacement coordination
Method.
Background technology
Along with the fast development of coal industry, mine capacity is gradually increased, working face equipment to maximization, heavy-duty,
Automation direction develops, and it is indispensable for being monitored roadway support design, and its important means is ore pressure monitor.And
The pinpoint accuracy of supporting soundness verification is particularly important.Strata behavior analysis of roadway Contents for Monitoring mainly include surface displacement, deep displacement,
Anchor pole (rope) stress, surrounding rock structure variation detection etc..Wherein, lane surface displacement is mainly by " cross " observation method
Measurement obtains, and the actual deep displacement value needed for strata behavior analysis of roadway analysis is absolute displacement values, is i.e. read by deep displacement meter
Number obtains the relative displacement between measuring point and surface, tunnel, and the lane surface displacement value that recycling actual measurement draws, by public affairs
Formula conversion draws.But in existing survey station arrangement, lane surface displacement and deep displacement survey station lay respectively at different
On section, but the lane surface displacement value being because on different section there are differences, and this will make the deep displacement obtained exhausted
Value is created error.
Summary of the invention
Technical problem: it is an object of the invention to overcome the deficiency of existing tunnel method for measuring deep displacement, it is provided that a kind of method
Simply, safe and reliable, can more accurately measure the lane surface displacement of deep displacement, deep displacement coordination measuring method.
Technical scheme: the lane surface displacement of the present invention, deep displacement method for synchronously measuring, comprises the steps:
A, at least arranging a survey station in tunnel to be measured, the middle part that the top board and two in the same cross section of survey station is helped respectively is executed
Work one boring, and deep displacement meter is installed in each boring, and ensure that the deep displacement meter cloth in holing helped by top board and two
Put on same vertical cross section, and directly read deep displacement relative value by observing the rule outside deep displacement meter；
B, survey station deep displacement meter be positioned at surface, tunnel labelling for record measure lane surface displacement amount observation station
A, B, C, according to " cross " observation method, measure three, surface, tunnel observation station A, B, C respectively to the midpoint that crosses
The displacement of O；
C, according to formula Sni=│ (Bn-B1)│-(SRead ni-SRead 1i), draw relatively accurate deep displacement actual value,
In formula:
SniThe deep displacement actual value of the i-th measuring point during the n-th observation；
BnSurface displacement value during the n-th observation；
B1Surface displacement value during the 1st observation；
SRead niThe deep displacement relative value of the i-th measuring point during the n-th observation；
SRead 1iThe deep displacement relative value of the i-th measuring point during the 1st observation.
Beneficial effect: the present invention utilizes the tunnel deep displacement that the method for surface displacement deep displacement synchro measure is tried to achieve, and keeps away
Exempt from the error caused owing to being respectively arranged surface displacement and deep displacement survey station, thus the most accurate.By in tunnel
Construction drill in the middle of same vertical cross section upper plate or portion of side, installs deep displacement meter, reading deep displacement relative value；?
Labelling lane surface displacement observation station on deep displacement counter device, according to " cross " observation method, measures lane surface displacement；
According to formula Si=│ (Bn-B1)│-(SRead in-SRead i1), calculate deep displacement absolute value.Compared with prior art: this
Surface displacement survey station and deep displacement survey station are arranged on a drift section by invention, eliminate with on a drift section
Surface displacement value, calculate the error that the deep displacement absolute value on another drift section causes, make result more
Accurately.The method is simple to operate, safe and reliable, and measured result accuracy is high, has wide applicability.
Accompanying drawing explanation
Fig. 1 is lane surface displacement and the deep displacement coordination Measure section schematic diagram of the present invention.
Detailed description of the invention
Enforcement to the present invention is further described below in conjunction with the accompanying drawings:
Lane surface displacement of the present invention, deep displacement coordination measuring method, concrete grammar as follows in:
A, at least arranging a survey station in tunnel 1 to be measured, the middle part that the top board and two in the same cross section of survey station is helped is the most each
Construct one boring 2, and in each boring install deep displacement meter 3, and ensure top board and two help boring in position, deep
Move meter 3 to be arranged on same vertical cross section, and directly read deep displacement by observing the rule outside deep displacement meter
Relative value；
B, it is positioned at surface, tunnel labelling for recording the sight measuring lane surface displacement amount at the deep displacement meter 3 of survey station
Measuring point A, B, C, the survey station so measuring surface displacement amount and deep displacement is located on same drift section, such as figure
Shown in, in arranging that on the same section surveying tunnel 1 three observation stations A, B, C cross according to " cross " observation method
Point O, utilizes measuring staff or ribbon to measure three, surface, tunnel observation station A, B, C respectively to the position of the midpoint O that crosses
Shifting amount；
C, according to formula Sni=│ (Bn-B1)│-(SRead ni-SRead 1i), relatively accurate deep displacement actual value can be drawn,
In formula:
SniThe deep displacement actual value of the i-th measuring point during the n-th observation；
BnSurface displacement value during the n-th observation；
B1Surface displacement value during the 1st observation；
SRead niThe deep displacement relative value of the i-th measuring point during the n-th observation；
SRead 1iThe deep displacement relative value of the i-th measuring point during the 1st observation.
During the example 1:. surface displacement in tunnel and deep displacement actual measurement, arrange at work surface 300m in transportation roadway
One lane surface displacement, deep displacement coordination measure survey station.The surface displacement in every day same time record tunnel and position, deep
Move；When measuring for the first time, utilize " cross " observation method, record surface displacement value B during the 1st observation1=1926mm,
As surface displacement initial value, when reading the observation of this survey station same section the 1st by the scale of observation deep displacement meter simultaneously
The deep displacement relative value S in tunnelRead 1=0mm is as deep displacement initial value.Also with " cross " observation method,
Surface displacement value B during the 5th observation5=1855mm, the deep displacement relative value S in tunnel when measuring the 5th observationRead 5=39mm；The deep displacement actual value S during coordination metering system the 5th observation utilizing the present invention is calculated with formula5:
S5=│ (B5-B1)│-(SRead 5-SRead 1)
In formula:
S5The deep displacement actual value that during secondary 5 observation, surface displacement deep displacement coordination measurement method is tried to achieve；
B5Surface displacement value during the observation of this survey station the 5th；
B1Surface displacement value during the observation of this survey station the 1st；
SRead 5Deep displacement relative value during the observation of this survey station the 5th；
SRead 1Deep displacement relative value during the observation of this survey station the 1st；
Try to achieve S5=│ 1855-1926 │-(39-0)=32mm.
Claims (1)
1. a lane surface displacement, deep displacement coordination measuring method, it is characterised in that:
A, at least arrange a survey station in tunnel to be measured (1), each construction one boring (2) respectively at the middle part that the top board and two in the same cross section of survey station is helped, and deep displacement meter (3) is installed in each boring, and ensure that top board and two helps the deep displacement meter (3) in holing to be arranged on same vertical cross section, and directly read deep displacement relative value by observing the rule outside deep displacement meter；
B, it is positioned at surface, tunnel labelling for recording measurement observation station A of lane surface displacement amount, B, C at the deep displacement meter (3) of survey station, according to " cross " observation method, measures three, surface, tunnel observation station A, B, C respectively to the displacement of the midpoint O that crosses；
C, according to formula Sni=│(Bn-B1)│-(SRead ni-SRead 1i), draw relatively accurate deep displacement actual value,
In formula:
SniThe deep displacement actual value of the i-th measuring point, i=A, B, C during the n-th observation；
BnSurface displacement value during the n-th observation；
B1Surface displacement value during the 1st observation；
SRead niThe deep displacement relative value of the i-th measuring point, i=A, B, C during the n-th observation；
SRead 1iThe deep displacement relative value of the i-th measuring point, i=A, B, C during the 1st observation.
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| CN201410186842.0A CN103954197B (en) | 2014-05-05 | 2014-05-05 | A kind of lane surface displacement, deep displacement coordination measuring method |
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| CN106092198A (en) * | 2016-06-23 | 2016-11-09 | 华东交通大学 | Deep based on WSN granite rock burst positioning measurment system and method |
| CN109798818A (en) * | 2019-03-22 | 2019-05-24 | 中国矿业大学 | A kind of mechanical roadway surrounding rock displacement measuring device and its working method |
| CN110260751B (en) * | 2019-07-31 | 2022-03-15 | 奇瑞汽车股份有限公司 | HVAC assembly rapid inspection device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948902A (en) * | 2006-07-28 | 2007-04-18 | 中国科学院武汉岩土力学研究所 | Deformation moritoring method for tunnel like engineering and apparatus thereof |
| CN101769708A (en) * | 2009-12-29 | 2010-07-07 | 中国矿业大学 | Multisection continuous observing method for feeding back tunnel surrounding rock deforming rule |
| CN102042822A (en) * | 2009-10-22 | 2011-05-04 | 宝钢集团上海梅山有限公司 | Tunnel section measurement method |
| KR20130029474A (en) * | 2011-09-15 | 2013-03-25 | 한국철도공사 | Measuring apparatus and measuring method of ballast for railroad |
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- 2014-05-05 CN CN201410186842.0A patent/CN103954197B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1948902A (en) * | 2006-07-28 | 2007-04-18 | 中国科学院武汉岩土力学研究所 | Deformation moritoring method for tunnel like engineering and apparatus thereof |
| CN102042822A (en) * | 2009-10-22 | 2011-05-04 | 宝钢集团上海梅山有限公司 | Tunnel section measurement method |
| CN101769708A (en) * | 2009-12-29 | 2010-07-07 | 中国矿业大学 | Multisection continuous observing method for feeding back tunnel surrounding rock deforming rule |
| KR20130029474A (en) * | 2011-09-15 | 2013-03-25 | 한국철도공사 | Measuring apparatus and measuring method of ballast for railroad |
Non-Patent Citations (2)
| Title |
|---|
| Displacement, stress and seismicity in roadway roofs during mining-induced failure;B.Shen,etc;《International Journal of Rock Mechanics & Mining Sciences》;20080731;第45卷(第5期);第672-688页 * |
| 基于现场位移监测数据统计分析的隧道围岩稳定性研究;吴秋军等;《岩土力学》;20121231;第33卷(第S2期);第359-364页 * |
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