CN104990513A - Long-term monitoring method applicable to ancient wooden building column tilting - Google Patents
Long-term monitoring method applicable to ancient wooden building column tilting Download PDFInfo
- Publication number
- CN104990513A CN104990513A CN201510438638.8A CN201510438638A CN104990513A CN 104990513 A CN104990513 A CN 104990513A CN 201510438638 A CN201510438638 A CN 201510438638A CN 104990513 A CN104990513 A CN 104990513A
- Authority
- CN
- China
- Prior art keywords
- value
- strain value
- wooden unit
- selected point
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000007774 longterm Effects 0.000 title claims abstract description 22
- 239000000835 fiber Substances 0.000 claims abstract description 50
- 239000004575 stone Substances 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000007620 mathematical function Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 231100000749 chronicity Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Optical Transform (AREA)
Abstract
The invention relates to a long-term monitoring method applicable to ancient wooden building column tilting. A wooden block is arranged in a monitored point selected at the joint of a monitored cylinder and a stone foundation, and a fiber grating strain sensor is arranged on the outer arc surface of the wooden block, wherein the other end of the fiber grating strain sensor extends to the side of the stone foundation; and the fiber grating strain sensor sends a sampled strain value to a fiber grating strain monitoring module in real time, acquires a horizontal tilt value, and carries out early warning. The long-term monitoring method applicable to ancient wooden building column tilting provided by the invention is high in tilt monitoring precision, and avoids inconvenience caused by high tilting angle set in practical engineering. The disturbance to ancient buildings is small. The operation is convenient. The method is simple and easy to implement. The adopted fiber grating strain sensor has high precision and high stability, and is easy to remove.
Description
Technical field
The present invention relates to fiber grating sensing technology and timber structure column inclination monitoring technology, particularly a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting.
Background technology
The ancient building of China experienced by the years baptism of several thousand, and timber structure is in long service, is unavoidably subject to earthquake, wind-force effect, makes the horizontal tilt of pillar be out of shape the excessive phenomenon of accumulation.Carrying out Real-Time Monitoring for pillar horizontal tilt amount in ancient building is one of important means of the historical and cultural heritage of this preciousness of protection historic building structure.Based on the principle of conservation of historic buildings, the use of ancient Wood construction and outward appearance function must be ensured by the impact of disturbance in monitoring.Therefore must ensure ancient building undisturbed to apparatus installation dismounting, and can not structural intergrity be destroyed, ensure not to be damaged to structure in laying instrument, lay convenient and swift.Lay various cylinder is convenient, and there is higher stability and corrosion resistivity.Consider the instant validity of monitoring in addition, the theoretical method of monitoring also makes every effort to easy.Monitoring method at present to column inclination, there is different limitation separately as the volume of: instrument with operation interference is large, cloth sets up an office position difficulty, layout difficulty is large, the price of instrument is too expensive, various and the mode that is restricted and structure of measuring point quantity, the permanance of instrument is not good, changes dismounting inconvenient.For this reason, a kind of applicability and the stronger monitoring method of specific aim are sought for the monitoring of tilting of the cylinder of timber structure.
Summary of the invention
The object of the present invention is to provide a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting, to overcome the defect existed in prior art.
For achieving the above object, technical scheme of the present invention is: a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting, providing a tested cylinder and for carrying the cylindrical stone plinth of this tested cylinder, realizing in accordance with the following steps:
Step S1: be the wooden unit of annular at the described tested cylinder side bottom xsect that is sticked, and fit in the side of the inner arc surface of described wooden unit and described tested cylinder, the lower surface of described wooden unit and the upper surface of described stone plinth stay establishes a gap;
Step S2: exterior arc surface one end of the fiber Bragg grating strain sensor of a column being attached at described wooden unit, the other end is attached at the side of described stone plinth, and this fiber Bragg grating strain sensor is vertically arranged;
Step S3: sampled strain value is sent to a fiber grating strain monitoring modular by described fiber Bragg grating strain sensor, obtain horizontal tilting value and the vergence direction of described tested cylinder, and described horizontal tilting value and a default early warning horizontal tilting value are compared; If horizontal tilt sampled value is greater than this default early warning horizontal tilting value, then described fiber grating strain monitoring modular is by warning module, sends early warning signal, reminds maintainer.
In an embodiment of the present invention, in step S1 described in place, the setting position of described wooden unit is determined as follows:
Step S11: the cross circular section obtaining described tested cylinder;
Step S12: circumferentially choose a bit, as the first selected point in described cross circular section; Cross described first selected point, and through the center of circle of described cross circular section, hand over the circumference of described cross circular section in addition a bit, as described second selected point; In described cross circular section circumferentially, except described first selected point and the second selected point, choose a bit as the 3rd selected point, and described first selected point, described second selected point and described 3rd selected point are formed in one and connect right-angle triangle;
Step S13: correspondence arranges the first wooden unit, the second wooden unit and the 3rd wooden unit on the vertical direction of described first selected point, described second selected point and described 3rd selected point respectively.
In an embodiment of the present invention, in step S2 described in place, the center of circle of described tested cylinder cross circular section and the extended line of described first selected point intersect at a point with the axis of the first fiber Bragg grating strain sensor being arranged at described first wooden unit place; The center of circle of described tested cylinder cross circular section and the extended line of described second selected point intersect at a point with the axis of the second fiber Bragg grating strain sensor being arranged at described second wooden unit place; The center of circle of described tested cylinder cross circular section and the extended line of described 3rd selected point intersect at a point with the axis of the 3rd fiber Bragg grating strain sensor being arranged at described 3rd wooden unit place.
In an embodiment of the present invention, in step S1 described in place, described wooden unit inner arc surface and described tested cylinder are provided with a tack coat, and the thickness of this tack coat is 0.05d, the internal diameter of described wooden unit xsect annulus is 1.05d, and external diameter is D, and described clearance height is D1; Wherein, d is the diameter of described tested cylinder, and D is the diameter of described stone plinth.
In an embodiment of the present invention, in step S3 described in place, obtain described horizontal tilt sampled value in accordance with the following steps:
Step S31: the first strain value ε obtaining described first fiber Bragg grating strain sensor place respectively
1, described second fiber Bragg grating strain sensor place the second strain value ε
2and the 3rd strain value ε at described 3rd fiber Bragg grating strain sensor place
3;
Step S32: by described first strain value ε
1and described second strain value ε
2input in following formula the inclination number of degrees θ obtaining described tested cylinder:
Δ＝ε
cen×p，
Wherein, ε
cenrepresent the center of circle strain value of described tested cylinder cross circular section, D is the diameter of described stone plinth, and p is the gauge length of fiber Bragg grating strain sensor, and Δ is centre point tensile elongation;
Step S33: the horizontal tilting value s=h/cos θ being obtained described tested cylinder by the flat displacement model of middle water, wherein, h is interfloor height;
Step S34: judge and choose described first strain value ε
1, described second strain value ε
2and described 3rd strain value ε
3middle maximum strain value ε
max, the first middle strain value ε
midand minimum strain value ε
min; By described maximum strain value ε
maxwith described minimum strain value ε
mindetermined first position line l
1on, determine described first middle strain value ε
midat described first position line l
1the position at place, and be demarcated as the second middle strain value ε '
mid; By described first middle strain value ε
midand described second middle strain value ε '
middetermine second point position line l
2; Cross described tested cylinder cross circular section round dot and determine described second point position line l
2perpendicular line l
3, this perpendicular line l
3point to described minimum strain value ε
mindirection be the vergence direction of described tested cylinder, this perpendicular line l
3the point crossing with the circumference of described stone plinth cross circular section is shear points.
In an embodiment of the present invention, in step S34 described in place, the mode divided by equal proportion is at described first position line l
1determine described second middle strain value ε '
midposition.
In an embodiment of the present invention, the inclination of described tested cylinder is in elastic range, and angle of inclination is small deformation inclination, described tilt angle theta≤3 °.
Compared to prior art, the present invention has following beneficial effect: a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting proposed by the invention, according to the singularity that timber structure cylinder and stone plinth keep flat, adopt based on fiber Bragg grating strain sensor and similar Quadrilateral Method, overcome the limitation of conventional monitoring methods in ancient building monitoring field, there is very strong specific aim and practicality, and very convenient in apparatus installation dismounting, be conducive to the monitoring of chronicity.And, in the inventive solutions measured position is arranged at cylinder suspension column and stone plinth junction, cloth sets up an office position conveniently, not by the impact of structure, be applicable to the pillar monitoring in corner post, side column, the various actual building situation of center pillar, and economical and practical in price, eliminate expensive instrument expense, in Practical Project, be applicable to be laid in all pillars of building.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram being applicable to the long term monitoring methods that historic building structure cylinder tilts in the present invention.
Fig. 2 is that the selected point in the present invention in a kind of long term monitoring methods being applicable to the inclination of historic building structure cylinder chooses schematic diagram.
Fig. 3 is the wooden unit installation position vertical view in the present invention in a kind of long term monitoring methods being applicable to the inclination of historic building structure cylinder.
Fig. 4 is the cross sectional representation of the wooden unit in the present invention in a kind of long term monitoring methods being applicable to the inclination of historic building structure cylinder.
Fig. 5 is the fiber Bragg grating strain sensor position view in the present invention in a kind of long term monitoring methods being applicable to the inclination of historic building structure cylinder.
Fig. 6 is the cylinder inclination overall laying schematic diagram in the present invention in a kind of long term monitoring methods being applicable to the inclination of historic building structure cylinder.
[label declaration]: 1-wooden unit; 111-wooden unit exterior arc surface; 12-wooden unit inner arc surface; 2-tack coat; The tested cylinder of 3-; 4-fiber Bragg grating strain sensor; 5-stone plinth; 6-first wooden unit; 7-second wooden unit; 8-the 3rd wooden unit; 9-first fiber Bragg grating strain sensor; 10-second fiber Bragg grating strain sensor; 11-the 3rd fiber Bragg grating strain sensor.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is specifically described.
Recent years, the development of fiber-optic grating sensor, takies the advantages such as little, easy and simple to handle, convenient disassembly with its higher stability, permanance and volume, and receives the concern of people.The present invention is directed to ancient Wood construction cylinder based on fiber Bragg grating strain sensor technology, adopt simple mathematical function (comprising trigonometric function) formula to propose the simple method of a set of monitoring cylinder tilt quantity, the deformation monitoring to timber structure cylinder and early warning can be realized.The method immediately can monitor the inclination and distortion that ancient Wood construction cylinder occurs effectively for a long time, instrument used there is high temperature resistant, corrosion resistance and stability strong, apparatus installation is dismantled structure undisturbed, and easy to operate easy, can be suitable for deformation monitoring and the early warning of timber structure cylinder very well.
Further, the invention provides a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting, providing a tested cylinder 3 and for carrying the cylindrical stone plinth 5 of this tested cylinder 3, as shown in Fig. 1 and Fig. 3 ~ Fig. 6, realizing in accordance with the following steps:
Step S1: be the wooden unit 1 of annular at the described tested cylinder 3 side bottom xsect that is sticked, and the inner arc surface 12 of described wooden unit 1 is fitted with the side of described tested cylinder 1, the lower surface of described wooden unit 1 and the upper surface of described stone plinth 5 stay establishes a gap;
Step S2: a exterior arc surface 111 end mirror cementing agent of the fiber Bragg grating strain sensor 4 of a column being attached at described wooden unit 1, the other end is attached at the side of described stone plinth 5 through cementing agent, and this fiber Bragg grating strain sensor 4 is vertically arranged;
Step S3: sampled strain value is sent to a fiber grating strain monitoring modular by described fiber Bragg grating strain sensor 4, obtain horizontal tilting value and the vergence direction of described tested cylinder, and described horizontal tilting value and a default early warning horizontal tilting value are compared; If horizontal tilt sampled value is greater than this default early warning horizontal tilting value, then described fiber grating strain monitoring modular is by warning module, sends early warning signal, reminds maintainer, carries out Strengthen and regulate.In the present embodiment, this default early warning horizontal tilting value and can arrange environment and specifically arranges according to the design parameter of the tested cylinder in scene.
In the present embodiment, in described step S1, as shown in Fig. 2, Fig. 3 and Fig. 6, the setting position of described wooden unit is determined as follows:
Step S11: the cross circular section obtaining described tested cylinder;
Step S12: circumferentially choose a bit, as the first selected point D1 in described cross circular section; Cross described first selected point D1, and through the center of circle of described cross circular section, hand over the circumference of described cross circular section in addition a bit, as described second selected point D2; In described cross circular section circumferentially, except described first selected point D1 and the second selected point D2, choose a bit as the 3rd selected point D3, and described first selected point D1, described second selected point D2 and described 3rd selected point D3 are formed in one and connect right-angle triangle;
Step S13: corresponding respectively the first wooden unit 6, second wooden unit 7 and the 3rd wooden unit 8 are set on the vertical direction of described first selected point D1, described second selected point D2 and described 3rd selected point D3.
Further, in the present embodiment, as shown in Fig. 3, Fig. 5 and Fig. 6, in described step S2, the center of circle of described tested cylinder cross circular section and the extended line of described first selected point D1 intersect at a point with the axis of the first fiber Bragg grating strain sensor 9 being arranged at described first wooden unit 6 place; The center of circle of described tested cylinder cross circular section and the extended line of described second selected point D2 intersect at a point with the axis of the second fiber Bragg grating strain sensor 10 being arranged at described second wooden unit 7 place; The center of circle of described tested cylinder cross circular section and the extended line of described 3rd selected point D3 intersect at a point with the axis of the 3rd fiber Bragg grating strain sensor 11 being arranged at described 3rd wooden unit 8 place.
Further, in the present embodiment, as shown in Fig. 4 ~ Fig. 6, in described step S1, a tack coat 2 is provided with between described wooden unit inner arc surface 12 and described tested cylinder 3 side, and the thickness of this tack coat 2 is 0.05d, and wooden unit inner arc surface 12 is fitted with the side of tested cylinder 3 completely through this tack coat 2; The internal diameter of described wooden unit xsect annulus is 1.05d, and external diameter is D, and namely the exterior arc surface 111 of wooden unit is in same curved surface with stone plinth 5, described clearance height is D1; Wherein, d is the diameter of described tested cylinder, and D is the diameter of described stone plinth, and D1 value is 2 ~ 5cm, and can carry out arranging or choosing according to site specific.
Further, in described step S3, as shown in Figure 3, described horizontal tilt sampled value is obtained in accordance with the following steps:
Step S31: the first strain value ε obtaining described first fiber Bragg grating strain sensor place respectively
1, described second fiber Bragg grating strain sensor place the second strain value ε
2and the 3rd strain value ε at described 3rd fiber Bragg grating strain sensor place
3;
Step S32: by described first strain value ε
1and described second strain value ε
2input the inclination number of degrees θ obtaining described tested cylinder in following formula:
Δ＝ε
cen×p，
Wherein, ε
cenrepresent the center of circle strain value of described tested cylinder cross circular section, D is the diameter of described stone plinth, and p is the gauge length of fiber Bragg grating strain sensor, and Δ is the tensile elongation of centre point; In the present embodiment, the cosine value of these inclination number of degrees θ needs reservation 6 effective decimals, to have enough accuracy requirements.
Step S33: the horizontal tilting value s=h/cos θ being obtained described tested cylinder by displacement model between flat seam, wherein, h is interfloor height, and namely the height of every one deck building, be also the height of the tested cylinder of interlayer, and the tested cylinder at this place is through several layers;
Step S34: judge and choose described first strain value ε
1, described second strain value ε
2and described 3rd strain value ε
3middle maximum strain value ε
max, the first middle strain value ε
midand minimum strain value ε
min; By described maximum strain value ε
maxwith described minimum strain value ε
mindetermined first position line l
1on, determine described first middle strain value ε
midat described first position line l
1the position at place, and be demarcated as the second middle strain value ε '
mid, in the present embodiment, the mode divided by equal proportion is at described first position line l
1determine described second middle strain value ε '
midposition.; By described first middle strain value ε
midand described second middle strain value ε '
middetermine second point position line l
2; Cross described tested cylinder cross circular section round dot and determine described second point position line l
2perpendicular line l
3, this perpendicular line l
3point to described minimum strain value ε
mindirection be the vergence direction of described tested cylinder, this perpendicular line l
3the point crossing with the circumference of described stone plinth cross circular section is shear points.
Further, in the present embodiment, the point position for the treatment of fiber Bragg grating strain sensor in above-mentioned steps S1 ~ step S3 is chosen and the acquisition of strain value and demarcation, obtained data form all can be adopted automatically to identify in Matlab or adopt Excel software to complete, and then obtain maximum strain ε
max, minimum strain ε
minand the first middle strain stress
midposition, finally obtains the position of shear points, and obtains inclination number of degrees θ by simple mathematical function (comprising trigonometric function) formulae discovery.
Further, in the present embodiment, the inclination of described tested cylinder is in elastic range, and angle of inclination is small deformation inclination, tilt angle theta≤3 °.Described tested cylinder is through checking, and its flexural deformation is negligible, and primary deformable is inclination and distortion.
Be more than preferred embodiment of the present invention, all changes done according to technical solution of the present invention, when the function produced does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (7)
1. be applicable to the long term monitoring methods that historic building structure cylinder tilts, provide a tested cylinder and for carrying the cylindrical stone plinth of this tested cylinder, it is characterized in that, realize in accordance with the following steps:
Step S1: be the wooden unit of annular at the described tested cylinder side bottom xsect that is sticked, and fit in the side of the inner arc surface of described wooden unit and described tested cylinder, the lower surface of described wooden unit and the upper surface of described stone plinth stay establishes a gap;
Step S2: exterior arc surface one end of the fiber Bragg grating strain sensor of a column being attached at described wooden unit, the other end is attached at the side of described stone plinth, and this fiber Bragg grating strain sensor is vertically arranged;
Step S3: sampled strain value is sent to a fiber grating strain monitoring modular by described fiber Bragg grating strain sensor, obtain horizontal tilting value and the vergence direction of described tested cylinder, and described horizontal tilting value and a default early warning horizontal tilting value are compared; If horizontal tilt sampled value is greater than this default early warning horizontal tilting value, then described fiber grating strain monitoring modular is by warning module, sends early warning signal, reminds maintainer.
2. a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting according to claim 1, it is characterized in that, in described step S1, the setting position of described wooden unit is determined as follows:
Step S11: the cross circular section obtaining described tested cylinder;
Step S12: circumferentially choose a bit, as the first selected point in described cross circular section; Cross described first selected point, and through the center of circle of described cross circular section, hand over the circumference of described cross circular section in addition a bit, as described second selected point; In described cross circular section circumferentially, except described first selected point and the second selected point, choose a bit as the 3rd selected point, and described first selected point, described second selected point and described 3rd selected point are formed in one and connect right-angle triangle;
Step S13: correspondence arranges the first wooden unit, the second wooden unit and the 3rd wooden unit on the vertical direction of described first selected point, described second selected point and described 3rd selected point respectively.
3. a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting according to claim 2, it is characterized in that, in described step S2, the center of circle of described tested cylinder cross circular section and the extended line of described first selected point intersect at a point with the axis of the first fiber Bragg grating strain sensor being arranged at described first wooden unit place; The center of circle of described tested cylinder cross circular section and the extended line of described second selected point intersect at a point with the axis of the second fiber Bragg grating strain sensor being arranged at described second wooden unit place; The center of circle of described tested cylinder cross circular section and the extended line of described 3rd selected point intersect at a point with the axis of the 3rd fiber Bragg grating strain sensor being arranged at described 3rd wooden unit place.
4. a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting according to claim 1, it is characterized in that, in described step S1, described wooden unit inner arc surface and described tested cylinder are provided with a tack coat, and the thickness of this tack coat is 0.05d, the internal diameter of described wooden unit xsect annulus is 1.05d, and external diameter is D, and described clearance height is D1; Wherein, d is the diameter of described tested cylinder, and D is the diameter of described stone plinth.
5. a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting according to claim 2, is characterized in that, in described step S3, obtain described horizontal tilt sampled value in accordance with the following steps:
Step S31: the first strain value ε obtaining described first fiber Bragg grating strain sensor place respectively
1, described second fiber Bragg grating strain sensor place the second strain value ε
2and the 3rd strain value ε at described 3rd fiber Bragg grating strain sensor place
3;
Step S32: by described first strain value ε
1and described second strain value ε
2input in following formula the inclination number of degrees θ obtaining described tested cylinder:
Δ＝ε
cen×p，
Wherein, ε
cenrepresent the center of circle strain value of described tested cylinder cross circular section, D is the diameter of described stone plinth, and p is the gauge length of fiber Bragg grating strain sensor, and Δ is centre point tensile elongation;
Step S33: the horizontal tilting value s=h/cos θ being obtained described tested cylinder by the flat displacement model of middle water, wherein, h is interfloor height;
Step S34: judge and choose described first strain value ε
1, described second strain value ε
2and described 3rd strain value ε
3middle maximum strain value ε
max, the first middle strain value ε
midand minimum strain value ε
min; By described maximum strain value ε
maxwith described minimum strain value ε
mindetermined first position line l
1on, determine described first middle strain value ε
midat described first position line l
1the position at place, and be demarcated as the second middle strain value ε '
mid; By described first middle strain value ε
midand described second middle strain value ε '
middetermine second point position line l
2; Cross described tested cylinder cross circular section round dot and determine described second point position line l
2perpendicular line l
3, this perpendicular line l
3point to described minimum strain value ε
mindirection be the vergence direction of described tested cylinder, this perpendicular line l
3the point crossing with the circumference of described stone plinth cross circular section is shear points.
6. a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting according to claim 5, it is characterized in that, in described step S34, the mode divided by equal proportion is at described first position line l
1determine described second middle strain value ε '
midposition.
7. a kind of long term monitoring methods being applicable to historic building structure cylinder and tilting according to claim 5, it is characterized in that, the inclination of described tested cylinder is in elastic range, and angle of inclination is small deformation inclination, described tilt angle theta≤3 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438638.8A CN104990513B (en) | 2015-07-23 | 2015-07-23 | One kind is applied to the inclined long term monitoring methods of historic building structure cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510438638.8A CN104990513B (en) | 2015-07-23 | 2015-07-23 | One kind is applied to the inclined long term monitoring methods of historic building structure cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104990513A true CN104990513A (en) | 2015-10-21 |
| CN104990513B CN104990513B (en) | 2017-08-11 |
Family
ID=54302356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510438638.8A Expired - Fee Related CN104990513B (en) | 2015-07-23 | 2015-07-23 | One kind is applied to the inclined long term monitoring methods of historic building structure cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104990513B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836077A (en) * | 2018-08-23 | 2018-11-20 | 上海光臣智能科技有限公司 | A kind of clothes hanger spends regulating device vertically |
| CN111608409A (en) * | 2020-04-28 | 2020-09-01 | 湖南南派古建园林工程有限公司 | Reinforcing and repairing method and system for bucket arch of ancient building |
| CN111749497A (en) * | 2020-05-19 | 2020-10-09 | 宁波市风景园林设计研究院有限公司 | Construction process of four-corner pavilion of ancient building |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005147802A (en) * | 2003-11-13 | 2005-06-09 | Tokyo Sokki Kenkyusho Co Ltd | Fbg-type clinometer |
| CN102288162A (en) * | 2011-05-23 | 2011-12-21 | 南京航空航天大学 | Tilt angle sensor based on optical fiber Bragg gratings and method for measuring tilt angle of tilt angle sensor |
| CN202770569U (en) * | 2012-09-10 | 2013-03-06 | 中国十七冶集团有限公司 | Apparatus for monitoring riprap embankment back levee soil horizontal bearing deformation |
| CN203672336U (en) * | 2013-12-09 | 2014-06-25 | 国家电网公司 | Power transmission pole tower inclination angle monitoring system based on ZigBee network |
| CN104215196A (en) * | 2014-09-30 | 2014-12-17 | 福州大学 | Long-term monitoring and pre-warning method applicable to deformation of historic building structure |
| CN104613886A (en) * | 2014-12-26 | 2015-05-13 | 石家庄铁道大学 | Long-gauge FBG (Fiber Bragg Grating) based settlement joint two-dimensional deformation and opposite inclination monitoring method |
| CN104764438A (en) * | 2015-04-23 | 2015-07-08 | 山东大学 | Inclinometer sensor capable of identifying circumferential direction based on fiber bragg grating |
-
2015
- 2015-07-23 CN CN201510438638.8A patent/CN104990513B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005147802A (en) * | 2003-11-13 | 2005-06-09 | Tokyo Sokki Kenkyusho Co Ltd | Fbg-type clinometer |
| CN102288162A (en) * | 2011-05-23 | 2011-12-21 | 南京航空航天大学 | Tilt angle sensor based on optical fiber Bragg gratings and method for measuring tilt angle of tilt angle sensor |
| CN202770569U (en) * | 2012-09-10 | 2013-03-06 | 中国十七冶集团有限公司 | Apparatus for monitoring riprap embankment back levee soil horizontal bearing deformation |
| CN203672336U (en) * | 2013-12-09 | 2014-06-25 | 国家电网公司 | Power transmission pole tower inclination angle monitoring system based on ZigBee network |
| CN104215196A (en) * | 2014-09-30 | 2014-12-17 | 福州大学 | Long-term monitoring and pre-warning method applicable to deformation of historic building structure |
| CN104613886A (en) * | 2014-12-26 | 2015-05-13 | 石家庄铁道大学 | Long-gauge FBG (Fiber Bragg Grating) based settlement joint two-dimensional deformation and opposite inclination monitoring method |
| CN104764438A (en) * | 2015-04-23 | 2015-07-08 | 山东大学 | Inclinometer sensor capable of identifying circumferential direction based on fiber bragg grating |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108836077A (en) * | 2018-08-23 | 2018-11-20 | 上海光臣智能科技有限公司 | A kind of clothes hanger spends regulating device vertically |
| CN111608409A (en) * | 2020-04-28 | 2020-09-01 | 湖南南派古建园林工程有限公司 | Reinforcing and repairing method and system for bucket arch of ancient building |
| CN111749497A (en) * | 2020-05-19 | 2020-10-09 | 宁波市风景园林设计研究院有限公司 | Construction process of four-corner pavilion of ancient building |
| CN111749497B (en) * | 2020-05-19 | 2021-10-22 | 宁波市风景园林设计研究院有限公司 | Construction process of four-corner pavilion of ancient building |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104990513B (en) | 2017-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107893437B (en) | Large open caisson foundation construction real-time monitoring system based on remote wireless transmission technology | |
| Li et al. | Structural health monitoring of innovative civil engineering structures in Mainland China | |
| CN103669429B (en) | Based on the circular solids concrete pile pile strain monitoring method of FBG sensor | |
| CN104990513A (en) | Long-term monitoring method applicable to ancient wooden building column tilting | |
| CN106092036A (en) | A kind of formwork-support deformation remote real time monitoring system and method | |
| CN106092024B (en) | Model Pile PORE SIZE APPARATUS FOR and stake holes bore diameter measuring method | |
| CN110806192A (en) | Method for monitoring internal deformation of high rock-fill dam | |
| CN104389621A (en) | Circumferential intelligentized reinforcement structure and method of shield tunnel | |
| CN110725348B (en) | Upright pile deviation correcting device and deviation correcting construction method | |
| CN108534730A (en) | A kind of device for measuring soil body deeply mixing cement-soil pile and surface settlement in real time | |
| CN105067166A (en) | Sleeve type force transducer for support structures | |
| CN208238763U (en) | A kind of device for real-time measurement soil body deeply mixing cement-soil pile and surface settlement | |
| CN203881339U (en) | Detachable monitoring pier | |
| CN105318860A (en) | Building sedimentation observation method and structure | |
| CN110686612B (en) | Inclination measuring device and inclination measuring method based on shape sensor | |
| CN109024717A (en) | SMW engineering method pile-type steel method for measuring stress | |
| CN112284362A (en) | Measuring device and method for verticality of steel casing in deep water area | |
| CN108020199A (en) | crack deformation monitoring instrument | |
| CN210104822U (en) | Offshore wind turbine tower inclination angle and foundation settlement measuring device | |
| CN218466604U (en) | Soft foundation monitoring middle and deep layer settlement monitoring device | |
| CN205619903U (en) | Deformation monitoring system | |
| CN207675153U (en) | crack deformation monitoring instrument | |
| CN207570535U (en) | Single branch inclined sensor device of sky friction pile top displacement is faced in monitoring | |
| CN204401592U (en) | Bracing of foundation pit displacement body is out of shape real-time measurement and control system | |
| CN108020198B (en) | Monitor with crack bending deformation measurement function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170811 |