CN104613887A - Tunnel section sedimentation and convergence analytical instrument and measuring method - Google Patents
Tunnel section sedimentation and convergence analytical instrument and measuring method Download PDFInfo
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- CN104613887A CN104613887A CN201510036957.6A CN201510036957A CN104613887A CN 104613887 A CN104613887 A CN 104613887A CN 201510036957 A CN201510036957 A CN 201510036957A CN 104613887 A CN104613887 A CN 104613887A
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Abstract
The invention discloses a tunnel section sedimentation and convergence analytical instrument and measuring method. The analytical instrument comprises a semi-circle accurate laser ranging system which is connected with a system host. The system host is fixed on a host carrying plate, a front verticality measuring laser system and a rear verticality measuring laser system are arranged on the front and rear sides of the host carrying plate respectively. A left level bubble and a right level bubble are arranged on the left and right sides of the host carrying plate respectively. A left horizontality fine adjuster and a right horizontality fine adjuster are arranged on the left and right sides of the front verticality measuring laser system respectively. The host carrying plate is fixed on a tripod carrier system. The analytical instrument and the measuring method have the advantages that the front and rear verticality measuring laser systems are arranged on the instrument, so that the consistency and the accuracy of the instrument section before and after measurement are guaranteed; by the aid of the semi-circle accurate laser ranging system, sedimentation or convergence values of 19 measurement points o the tunnel can be measured accurately, and sedimentation or convergence of the tunnel section is monitored effectively.
Description
Technical field
The present invention relates to Tunnel transverse section measuring technology field, particularly relate to a kind of tunnel cross-section sedimentation convergence measurement analytical instrument and measuring method.
Background technology
Often cave in tunnel excavation process of construction, the geologic hazard such as country rock large deformation.The generation of geologic hazard can cause casualties, instrument and equipment to damage and schedule delays, has significant impact to tunnel construction.So the measuring and analysis that will carry out promptly and accurately to the sedimentation of country rock, convergent deformation in tunnel construction process, effective guiding construction avoids the generation of geologic hazard and construction accident.Therefore, the research restraining in-site measurement instrument and measuring method to its tunnel construction sections face sedimentation is very important.
Existing tunnel monitoring and measuring technology to the field measurement work of tunnel vault sedimentation, perimeter convergence still among constantly studying and improving, the equipment adopted, test apparatus are all more complicated, particularly field measurement need of work at substantial time and manpower, inefficiency, Measurement and Data Processing are simultaneously loaded down with trivial details, precision is not high, can not feedback guidance construction in time.Accurately measurement and analysis instrument will have demand widely fast.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, a kind of tunnel cross-section sedimentation convergence measurement analytical instrument and measuring method are provided, be convenient to tunnel arch top settlement and the field measurement of perimeter convergence and carrying out of data processing work.
For achieving the above object, the present invention adopts following technical proposals:
A kind of tunnel cross-section sedimentation convergence measurement analytical instrument, comprise semi circular surface precise laser range measurement system, described semi circular surface precise laser range measurement system is connected with system host, described system host is fixed on main frame supporting plate, before and after described main frame supporting plate, both sides are respectively equipped with front vertical survey laser system, rear vertical survey laser system, and the described main frame supporting plate left and right sides is respectively equipped with left leveling bubble and right leveling bubble; The left and right sides of described front vertical survey laser system is respectively equipped with left WidFin and right WidFin; Described main frame supporting plate is fixed in tripod rack system.
Described semi circular surface precise laser range measurement system comprises 19 laser measuring point ports, and described laser measuring point port is used for Emission Lasers measuring distance.
Described system host comprises liquid crystal touch display screen and operation keyboard, described operation keyboard has ten key and ON/OFF, measurement, repetition measurement, setting, hangs down accurate and preserve 6 button key.
There is main frame supporting plate screw in described main frame supporting plate face, and described main frame supporting plate screw coordinates for main frame supporting plate is fixed on shelf bracket system with the screw in shelf bracket system.
Described shelf bracket system comprises horizontal shelf, bracket regulating system and three-legged support rod member; Described horizontal shelf is connected with three-legged support rod member, and described three-legged support rod member is provided with bracket regulating system, for the length of adjusting triangle support rod unit, and makes horizontal shelf maintenance level.
A measuring method for tunnel cross-section sedimentation convergence measurement analytical instrument, comprises the following steps:
(1) detection site chosen, struts tripod, and two, ground monumented point is aimed in Shi Qi center as far as possible, and described monumented point is arranged in the rear and front end of tunnel axis;
(2) system host is placed in shelf bracket system, main frame supporting plate screw is connected with horizontal shelf screw, fixes system host;
(3) vertical survey laser system is opened, the laser spots of forward and backward vertical survey laser system is aimed at two monumented points on ground, bracket regulating system in manual fine-tuning shelf bracket system and the fine setting of the left and right horizontal on main frame supporting plate repeatedly, by instrument leveling;
(4) instrument leveling after accurate adjustment and hang down in front and back, inputs pile No. or the numbering of measured section, again carries out accurate operation of hanging down at liquid crystal touch display screen, determines the height value H of front vertical survey laser system and actual measurement surface mark point
1and preserve data; Through step (4), this point is measured later at every turn and all front vertical survey laser system and the height value of actual measurement surface mark point is adjusted to H
1, keep the accuracy of data;
(5) semi circular surface precise laser range measurement system is opened, measure the distance H of measurement and analysis instrument to tunnel wall
2and preserve data; Wherein, H
2comprise: n1, n2, n3 ..., nk; Nk represents the distance of measurement and analysis instrument to a tunnel wall kth measuring point;
Carry out repetition measurement operation, during record repetition measurement, measurement and analysis instrument is to the distance H of tunnel wall
3and preserve data; Wherein, H
3comprise: fn1, fn2, fn3 ..., fnk; When fnk represents repetition measurement, measurement and analysis instrument is to the distance of a tunnel wall kth measuring point;
(6) the mean value H of above-mentioned twice measurement is got
4m=(H
2+ H
3)/2; H
4mcomprise: (n1+fn1)/2, (n2+fn2)/2, (n3+fn3)/2 ..., (nk+fnk)/2; Above-mentioned value is designated as h1 respectively
m, h2
m, h3
m..., hk
m; Obtain H
4mvalue namely represent that a Measure section completes a perfect measurement; M represents the number of times of this perfect measurement, and m gets natural number;
(7) after having measured, if measuring point is measure first time, then m=1, H
41namely as initial value;
If measuring point is not measure first time, then m>=2 calculate the value △ H=H measuring tunnel cross-section sedimentation or convergence before and after this measuring point for twice
4m-H
4m-1; I.e. △ H=(△ h1
m, △ h2
m, △ h3
m..., △ hk
m)=((h1
m-h1
m-1), (h2
m-h2
m-1), (h3
m-h3
m-1) ..., (hk
m-hk
m-1));
Judge the value △ hk measuring tunnel cross-section sedimentation or convergence before and after each measuring point for twice
mif, △ hk
m>0, then a kth measuring point occurs to rise or expansion; If △ is hk
m<0, then kth measuring point generation sedimentation or convergence; If △ is hk
m=0, then a kth measuring point remains unchanged.
The invention has the beneficial effects as follows:
Tunnel cross-section sedimentation convergence measurement analytical instrument, instrument has former and later two accurate laser systems of hanging down, and ensures instrument section survey self-consistentency and accuracy; Semi circular surface precise laser range measurement system accurately can measure sedimentation or the convergency value of 19 measuring points on tunnel, more effectively monitors tunnel cross-section sedimentation and convergence.Compare traditional measurement recording mode, after apparatus measures, data can process automatically, the point that Timeliness coverage deflection is larger, effectively instruct constructing tunnel, prevent engineering accident from occurring simultaneously.
Accompanying drawing explanation
Fig. 1 is tunnel cross-section sedimentation convergence measurement analytical instrument structural representation of the present invention;
Fig. 2 is tunnel cross-section sedimentation convergence measurement analytical instrument left view of the present invention;
Fig. 3 is shelf bracket system architecture schematic diagram of the present invention;
Fig. 4 is main frame support board structure schematic diagram of the present invention;
Wherein, 1 semi circular surface precise laser range measurement system; 2 liquid crystal touch display screens; 3 operation keyboards; 4 right leveling bubbles; 5 main frame supporting plates; 6 left leveling bubbles; Vertical survey laser system before 7; 8 left WidFins; 9 right WidFins; 10 laser measuring point ports; 11 system hosts; Vertical survey laser system after 12; 13 fastening bolts; 14 horizontal shelf screws; 15 horizontal shelf; 16 three-legged support rod members; 17 bracket regulating systems; 18 main frame supporting plate screws.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, tunnel cross-section sedimentation convergence measurement analytical instrument, comprise semi circular surface precise laser range measurement system 1, semi circular surface precise laser range measurement system 1 is connected with system host 10, system host 10 there are liquid crystal touch display screen 2 and operation keyboard 3, system host 10 is fixed on main frame supporting plate 5, front vertical survey laser system 7 main frame supporting plate 5 is equipped with, left WidFin 8, right WidFin 9, left leveling bubble 6, right leveling bubble 4 and rear vertical survey laser system 12, main frame supporting plate 5 is connected with tripod rack system by fixed connection apparatus system.
Semi circular surface precise laser range measurement system 1, comprises 19 laser measuring point port ones 0, and laser measuring point port is used for Emission Lasers measuring distance.
System host 10, comprises liquid crystal touch display screen 2, operation keyboard 3, operation keyboard 3 has ten key and ON/OFF, measurement, repetition measurement, setting, hangs down accurate and preserve 6 button key.
Main frame supporting plate 5, comprise front vertical survey laser system 7 and rear vertical survey laser system 12, left WidFin 8 and right WidFin 9, left leveling bubble 6 and right leveling bubble 4, main frame supporting plate ground has 8 main frame supporting plate screws 18 for being fixedly connected with horizontal shelf 15.
Fixed connection apparatus system, comprises fastening bolt 13, main frame supporting plate bottom surface screw 18 and horizontal shelf screw 14.
Shelf bracket system, comprises screw 14, bracket regulating system 17 and three-legged support rod member 16 on horizontal shelf 15,8 horizontal shelf, for the length of adjusting triangle support rod unit, and makes horizontal shelf maintenance level.
The using method of tunnel cross-section sedimentation convergence in-site measurement analytical instrument, comprises following use step:
(1) detection site chosen, strut three-legged support 16, Shi Qi center and aim at two, ground monumented point as far as possible, monumented point is arranged in the rear and front end of tunnel axis;
(2) system host 10 is placed in shelf bracket system, with fastening bolt 12, main frame supporting plate screw 18 is connected with horizontal shelf screw 14, fixes system host 10;
(3) by button " switch " on operation keyboard 3, open instrument, press " hanging down accurate " button and open vertical survey laser system 7,12, the laser spots of forward and backward vertical survey laser system 7,12 is aimed at two monumented points on ground, bracket regulating system 17 in manual fine-tuning shelf bracket system and the left and right WidFin on main frame supporting plate 58,9 repeatedly, by instrument leveling;
(4) instrument leveling is and hang down in front and back after accurate adjustment, inputs pile No. or the numbering of measured section at liquid crystal touch display screen 2, again presses " hanging down accurate " button, determines the height value H of front vertical survey laser system 7 and actual measurement surface mark point
1, on liquid crystal touch display screen 2 or " preservation " button preserve data;
(5) press " measurement " button, semi circular surface precise laser range measurement system 1 opened, again press " measurement " button, instrument by surveying instrument to tunnel wall identity distance from H
2record, on liquid crystal touch display screen 2 or " preservation " button preserve data; Press " repetition measurement " button, record second time instrument is to tunnel wall identity distance from H
3, on liquid crystal touch display screen 2 or " preservation " button preserve data;
Measure the distance H of measurement and analysis instrument to tunnel wall
2and preserve data; Wherein, H
2comprise: n1, n2, n3 ..., nk; Nk represents the distance of measurement measurement and analysis instrument to a tunnel wall kth measuring point; K gets the integer of 1 to 19, corresponding 19 measuring points.
Carry out repetition measurement operation, during record repetition measurement, measurement and analysis instrument is to the distance H of tunnel wall
3and preserve data; Wherein, H
3comprise: fn1, fn2, fn3 ..., fnk; When fnk represents repetition measurement, measurement and analysis instrument is to the distance of a tunnel wall kth measuring point;
(6) the mean value H of above-mentioned twice measurement is got
4m=(H
2+ H
3)/2; H
4mcomprise: (n1+fn1)/2, (n2+fn2)/2, (n3+fn3)/2 ..., (n19+fn19)/2; Above-mentioned value is designated as h1 respectively
m, h2
m, h3
m..., h19
m, m represents the number of times of this perfect measurement, and m gets natural number.
(7) after having measured, if measuring point is measure first time, then m=1, H4
1namely as initial value;
If measuring point is not measure first time, then m>=2 calculate the value △ H=H measuring tunnel cross-section sedimentation or convergence before and after this measuring point for twice
4m-H
4m-1; I.e. △ H=(△ h1
m, △ h2
m, △ h3
m..., △ h19
m)=((h1
m-h1
m-1), (h2
m-h2
m-1), (h3
m-h3
m-1) ..., (h19
m-h19
m-1));
Judge the value △ hk measuring tunnel cross-section sedimentation or convergence before and after each measuring point for twice
mif, △ hk
m>0, then a kth measuring point occurs to rise or expansion; If △ is hk
m<0, then kth measuring point generation sedimentation or convergence; If △ is hk
m=0, then a kth measuring point remains unchanged.
(8) after having measured, exit operation interface, close instrument.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (6)
1. a tunnel cross-section sedimentation convergence measurement analytical instrument, it is characterized in that, comprise semi circular surface precise laser range measurement system, described semi circular surface precise laser range measurement system is connected with system host, described system host is fixed on main frame supporting plate, before and after described main frame supporting plate, both sides are respectively equipped with front vertical survey laser system, rear vertical survey laser system, and the described main frame supporting plate left and right sides is respectively equipped with left leveling bubble and right leveling bubble; The left and right sides of described front vertical survey laser system is respectively equipped with left WidFin and right WidFin; Described main frame supporting plate is fixed in tripod rack system.
2. a kind of tunnel cross-section sedimentation convergence measurement analytical instrument as claimed in claim 1, it is characterized in that, described semi circular surface precise laser range measurement system comprises 19 laser measuring point ports, and described laser measuring point port is used for Emission Lasers measuring distance.
3. a kind of tunnel cross-section sedimentation convergence measurement analytical instrument as claimed in claim 1, it is characterized in that, described system host comprises liquid crystal touch display screen and operation keyboard, described operation keyboard has ten key and ON/OFF, measurement, repetition measurement, setting, hangs down accurate and preserve 6 button key.
4. a kind of tunnel cross-section sedimentation convergence measurement analytical instrument as claimed in claim 1, it is characterized in that, there is main frame supporting plate screw in described main frame supporting plate face, and described main frame supporting plate screw coordinates for main frame supporting plate is fixed on shelf bracket system with the screw in shelf bracket system.
5. a kind of tunnel cross-section sedimentation convergence measurement analytical instrument as claimed in claim 1, it is characterized in that, described shelf bracket system comprises horizontal shelf, bracket regulating system and three-legged support rod member; Described horizontal shelf is connected with three-legged support rod member, and described three-legged support rod member is provided with bracket regulating system, for the length of adjusting triangle support rod unit, and makes horizontal shelf maintenance level.
6. a measuring method for tunnel cross-section sedimentation convergence measurement analytical instrument as claimed in claim 1, is characterized in that, comprise the following steps:
(1) detection site chosen, struts tripod, and two, ground monumented point is aimed in Shi Qi center as far as possible, and described monumented point is arranged in the rear and front end of tunnel axis;
(2) system host is placed in shelf bracket system, main frame supporting plate screw is connected with horizontal shelf screw, fixes system host;
(3) vertical survey laser system is opened, the laser spots of forward and backward vertical survey laser system is aimed at two monumented points on ground, bracket regulating system in manual fine-tuning shelf bracket system and the fine setting of the left and right horizontal on main frame supporting plate repeatedly, by instrument leveling;
(4) instrument leveling after accurate adjustment and hang down in front and back, inputs pile No. or the numbering of measured section, again carries out accurate operation of hanging down at liquid crystal touch display screen, determines the height value H of front vertical survey laser system and actual measurement surface mark point
1and preserve data; Through step (4), this point is measured later at every turn and all front vertical survey laser system and the height value of actual measurement surface mark point is adjusted to H
1, keep the accuracy of data;
(5) semi circular surface precise laser range measurement system is opened, measure the distance H of measurement and analysis instrument to tunnel wall
2and preserve data; Wherein, H
2comprise: n1, n2, n3 ..., nk; Nk represents the distance of measurement measurement and analysis instrument to a tunnel wall kth measuring point;
Carry out repetition measurement operation, during record repetition measurement, measurement and analysis instrument is to the distance H of tunnel wall
3and preserve data; Wherein, H
3comprise: fn1, fn2, fn3 ..., fnk; When fnk represents repetition measurement, measurement and analysis instrument is to the distance of a tunnel wall kth measuring point;
(6) the mean value H of above-mentioned twice measurement is got
4m=(H
2+ H
3)/2; H
4mcomprise: (n1+fn1)/2, (n2+fn2)/2, (n3+fn3)/2 ..., (nk+fnk)/2; Above-mentioned value is designated as h1 respectively
m, h2
m, h3
m..., hk
m, m represents the number of times of this perfect measurement, and m gets natural number;
(7) after having measured, if measuring point is measure first time, then m=1, H
41namely as initial value;
If measuring point is not measure first time, then m>=2 calculate the value Δ H=H measuring tunnel cross-section sedimentation or convergence before and after this measuring point for twice
4m-H
4m-1; I.e. Δ H=(△ h1
m, △ h2
m, △ h3
m..., △ hk
m)=((h1
m-h1
m-1), (h2
m-h2
m-1), (h3
m-h3
m-1) ..., (hk
m-hk
m-1));
Judge the value △ hk measuring tunnel cross-section sedimentation or convergence before and after each measuring point for twice
mif, △ hk
m>0, then a kth measuring point occurs to rise or expansion; If △ is hk
m<0, then kth measuring point generation sedimentation or convergence; If △ is hk
m=0, then a kth measuring point remains unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036957.6A CN104613887B (en) | 2015-01-23 | 2015-01-23 | Tunnel section sedimentation and convergence analytical instrument and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036957.6A CN104613887B (en) | 2015-01-23 | 2015-01-23 | Tunnel section sedimentation and convergence analytical instrument and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104613887A true CN104613887A (en) | 2015-05-13 |
| CN104613887B CN104613887B (en) | 2017-04-19 |
Family
ID=53148448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510036957.6A Expired - Fee Related CN104613887B (en) | 2015-01-23 | 2015-01-23 | Tunnel section sedimentation and convergence analytical instrument and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104613887B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157673A (en) * | 2015-09-21 | 2015-12-16 | 山东大学 | Automatic measuring and alarming instrument for tunnel vault crown settlement and usage method |
| CN105423936A (en) * | 2015-12-04 | 2016-03-23 | 上海市地下空间设计研究总院有限公司 | Full-automatic laser tunnel section convergence instrument and measuring method |
| CN110360983A (en) * | 2019-07-02 | 2019-10-22 | 长江空间信息技术工程有限公司(武汉) | Vault settlement measuring device and its measurement method based on precise laser distance measuring instrument |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101789A (en) * | 1987-03-12 | 1987-09-09 | 铁道部专业设计院标准设计处 | Portable laser measuring instrument for tunneling cross-section |
| JPH02227605A (en) * | 1989-02-28 | 1990-09-10 | Penta Ocean Constr Co Ltd | In-tunnel space section measuring instrument |
| JP2001066168A (en) * | 1999-08-30 | 2001-03-16 | Kumagai Gumi Co Ltd | Displacement monitoring system of tunnel internal wall surface and displacement measuring device |
| CN102589438A (en) * | 2011-12-01 | 2012-07-18 | 中建八局大连建设工程有限公司 | Method for detecting vault subsidence and clearance convergence of tunnel |
| CN103335596A (en) * | 2013-06-26 | 2013-10-02 | 同济大学 | Tunnel convergence displacement and arch crown settlement measuring device and measuring method |
-
2015
- 2015-01-23 CN CN201510036957.6A patent/CN104613887B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87101789A (en) * | 1987-03-12 | 1987-09-09 | 铁道部专业设计院标准设计处 | Portable laser measuring instrument for tunneling cross-section |
| JPH02227605A (en) * | 1989-02-28 | 1990-09-10 | Penta Ocean Constr Co Ltd | In-tunnel space section measuring instrument |
| JP2001066168A (en) * | 1999-08-30 | 2001-03-16 | Kumagai Gumi Co Ltd | Displacement monitoring system of tunnel internal wall surface and displacement measuring device |
| CN102589438A (en) * | 2011-12-01 | 2012-07-18 | 中建八局大连建设工程有限公司 | Method for detecting vault subsidence and clearance convergence of tunnel |
| CN103335596A (en) * | 2013-06-26 | 2013-10-02 | 同济大学 | Tunnel convergence displacement and arch crown settlement measuring device and measuring method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157673A (en) * | 2015-09-21 | 2015-12-16 | 山东大学 | Automatic measuring and alarming instrument for tunnel vault crown settlement and usage method |
| CN105423936A (en) * | 2015-12-04 | 2016-03-23 | 上海市地下空间设计研究总院有限公司 | Full-automatic laser tunnel section convergence instrument and measuring method |
| CN105423936B (en) * | 2015-12-04 | 2018-04-27 | 上海市地下空间设计研究总院有限公司 | A kind of fully-automatic laser tunnel cross section convergence instrument and measuring method |
| CN110360983A (en) * | 2019-07-02 | 2019-10-22 | 长江空间信息技术工程有限公司(武汉) | Vault settlement measuring device and its measurement method based on precise laser distance measuring instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104613887B (en) | 2017-04-19 |
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