CN104296668A - Method for external measurement of settlement of foundation of storage tank - Google Patents
Method for external measurement of settlement of foundation of storage tank Download PDFInfo
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- CN104296668A CN104296668A CN201410499720.7A CN201410499720A CN104296668A CN 104296668 A CN104296668 A CN 104296668A CN 201410499720 A CN201410499720 A CN 201410499720A CN 104296668 A CN104296668 A CN 104296668A
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Abstract
The invention relates to a method for external measurement of settlement of the foundation of a storage tank. The method for external measurement of settlement of the foundation of the storage tank mainly solves the problem that in the prior art, measurement of all coordinate points in the circumferential direction of the storage tank can not be achieved at one position. According to the method for external measurement of settlement of the foundation of the storage tank, the height of the coordinate of a foundation point of the storage tank is measured by means of a total station, communication between a data recorder and the total station is established, data obtained through measurement of the total station are stored automatically, a prism is adopted to serve as a measurement point for the height of the foundation of the storage tank and is placed on the foundation of the storage tank, and the prism is moved to the next position each time a settlement point is measured; after settlement measurement of one station measurement point is completed, measurement is conducted on another station, at least three groups of switching points are arranged, coordinate points of different measured stations are converted into the same coordinate system through coordinate transformation, and then measurement of the coordinates of the settlement points is well completed. The method is used for external measurement of settlement of the foundation of the storage tank.
Description
Technical field
The present invention relates to a kind of externally measured method of tank pad sedimentation.
Background technology
The foundation surface that tank pad sedimentation refers to densification under the effect of stress of the basis of storage tank oil product and external applied load (wind, rain etc.) in storage tank self and tank and causes sinks.Excessive sedimentation, particularly non-uniform settling, can make storage tank run-off the straight, distortion, causes the accidents such as tank level rising, floating plate chuck to occur.
The assessment of tank pad settlement measurement calculates along storage tank circumferentially, the discrepancy in elevation between basic measurement point.Therefore, under needing to measure the same coordinate system, the height of tank pad.
CN201110029507.6 relates to a kind of large-scale construction engineering settlement observation method and settlement observer.This device is containing built-in fitting, conduction mechanism, signal designation mechanism, conduction mechanism is containing telescopic bull stick, rotating shaft and vertical pillar, the rigid link be installed in pillar arranged, rigid link one end is fixedly connected on the built-in fitting being embedded in and ramming in base, the other end is articulated with telescopic bull stick one end, this telescopic bull stick and rotating shaft is perpendicular and its other end is fixed in this rotating shaft, signal designation mechanism is containing the projection screen of the laser designator be arranged in rotating shaft radial position and correspondence; The axle bed of conduction mechanism and signal designation mechanism are installed on heavy load pile foundation support table framework accordingly, the deformation quantity that built-in fitting sinks to producing with pile foundation passes to signal designation mechanism through conduction mechanism, by its display settling amount, or calculated or predicting sett ment by its display.
Because total station survey tank foundation point coordinate carries out in storage tank outside, by the constraint of spatial obstacle thing (tank body), the measurement of tank pad circumferentially all coordinate points cannot be completed in same position.Therefore, how to measure the height value of tank pad under the same coordinate system, become a difficult problem.
The present invention solves this problem targetedly.
Summary of the invention
Technical matters to be solved by this invention is the problem that cannot complete the tank pad circumferentially measurement of all coordinate points in prior art in same position, provides a kind of externally measured method of new tank pad sedimentation.The method be used for tank pad sedimentation externally measured in, there is the advantage that can complete the tank pad circumferentially measurement of all coordinate points in same position.
For solving the problem, the technical solution used in the present invention is as follows: a kind of externally measured method of tank pad sedimentation, adopt the height of total station survey tank pad point coordinate, adopt datalogger to set up communication with total powerstation to be connected, the data that automatic storage total station survey arrives, adopt prism as the measurement point of tank pad height, prism is placed on above tank pad, after often measuring a settlement point, prism is moved on to next position; After completing the settlement measurement of a survey station point, carry out station transfer measurement, arrange at least three group transfer points, by coordinate conversion, the coordinate points between different survey station is transformed in the same coordinate system, completes the measurement of settlement point coordinate.
In technique scheme, preferably, described total powerstation is fixed on A-frame, is placed on a corner of fire dike, away from trying one's best from tank pad; A-frame is for supporting and adjust height and the levelness of total powerstation.
In technique scheme, preferably, after described total powerstation places, need levelling after, just can carry out work.
In technique scheme, preferably, described datalogger is the engineering mobile phone having installed Survey Software, is connected with total powerstation by bluetooth communication agreement.
In technique scheme, preferably, described total powerstation meeting automatic search prism, prism is placed on transfer point.
In technique scheme, preferably, described second survey station point is the corner of the fire dike of next-door neighbour first survey station point.
In technique scheme, preferably, described transfer point is wanted can be observed by total powerstation at former and later two survey stations, just can complete station transfer and measure.
In technique scheme, preferably, described the data importing measured is carried out analyzing and processing in computing machine.
The method that the present invention uses station transfer to measure, by coordinate transformation by the coordinate conversion between different survey station point in the same coordinate system, solve in prior art the problem that cannot complete the tank pad circumferentially measurement of all coordinate points in same position, achieve good technique effect.
Accompanying drawing explanation
Fig. 1 is the vertical view that foundation settlement of the present invention is measured;
Fig. 2 is the side view that foundation settlement of the present invention is measured.
Below by embodiment, the invention will be further elaborated, but be not limited only to the present embodiment.
Embodiment
[embodiment 1]
In each standard relevant to tank pad sedimentation, different requirements is all made to sedimentation.But specific requirement be all foundation ring upwards, the differential settlement between consecutive point (being not more than 10m) and in diametric(al) between 2.Therefore, need to measure the coordinate of tank pad under the same coordinate system, thus whether basis is meeted the requirements make assessment.
Equipment is installed
During concrete measurement, as depicted in figs. 1 and 2, A-frame is placed on the position in the upper left corner in fire dike, the distance from north side and west side wall dike is about 2m respectively.After A-frame is put well, total powerstation is fixed on support, and levelling.Registering instrument is connected with total powerstation by bluetooth.
Transfer point is arranged
As Fig. 1,1. three transfer points (transfer point places prism) are arranged in a little, 2. and 3. position, wherein 1. and are 2. placed on the left back and right back position near fire dike of total powerstation, are 3. placed on the fire dike lower position immediately below total powerstation.After transfer point arranges, guarantee that total powerstation can observe three transfer points at survey station one and survey station 2 two location points.The rest may be inferred, and the transfer point of survey station two is arranged in figure mid point position 4., 5. and 6., and the transfer point of survey station three arranges position 7., 8. and 9. in the drawings, uses 3 groups of transfer points, can complete measurement.
Measurement point is arranged
At storage tank circumferencial direction, be uniformly distributed N number of point, use total powerstation to measure along storage tank circumferencial direction.The computing formula of minimum distributed points quantity N is shown in following formula.
N＝3.28×D/10
Wherein:
N: minimumly require that settlement measurement is counted, and 8 can not be less than.N should be modified to a larger even number, and the spacing of measurement point can not more than 9.75m;
D: tank diameter, m.
With 10 × 10
4m
3crude oil storage tank is example, and its diameter is 80m, therefore N=26.24 ≈ 28.Spacing L=π * D/N=8.97m, meets the demands.
Calculate after measurement counts, with the due east of storage tank for starting point 1, use meter ruler to measure, be numbered according to counterclockwise direction, and with marking pen in the enterprising row labels of tank skin.
Measure
After total powerstation being fixed on the position of survey station one, start to measure.As Fig. 1, each survey station position, the visual range of total powerstation is 1/4 length of circumference.After prism being placed on the position of labeled numbering, measurement point coordinate, registering instrument storing data automatically, and remarks are carried out to the numbering of measurement point.To complete successively in total powerstation visual range measurement a little.After completing the coordinate of all settlement point of survey station one, the position of total powerstation is motionless, completes transfer point measurement of coordinates 1., 2. and 3. at same position.Then equipment is moved to survey station two, carry out levelling to total powerstation equally, then start to measure.First transfer point coordinate 1., 2. and is 3. measured (in the process of station transfer, the position of 3 transfer points must be kept) motionless, the data that survey station one and survey station two liang of stations measure are carried out coordinate conversion calculating, thus the point coordinate that survey station two is measured is transformed in the coordinate system of survey station one.The measurement of survey station two foundation settlement point is the same.
The rest may be inferred, after the settlement point measurement of survey station two terminates, as Fig. 1, measures transfer point coordinate 4., 5. and 6..Then equipment is moved to survey station three, and measure transfer point coordinate 4., 5. and 6., complete coordinate transformation, after measuring settlement point.Start to measure transfer point coordinate 7., 8. and 9., station transfer, to survey station four, is again measured transfer point coordinate 7., 8. and 9., is completed coordinate transformation, and measure settlement point coordinate.
Finally the data importing measured is carried out analyzing and processing in computing machine.
Claims (8)
1. the externally measured method of a tank pad sedimentation, adopt the height of total station survey tank pad point coordinate, adopt datalogger to set up communication with total powerstation to be connected, the data that automatic storage total station survey arrives, adopt prism as the measurement point of tank pad height, prism is placed on above tank pad, after often measuring a settlement point, prism is moved on to next position; After completing the settlement measurement of a survey station point, carry out station transfer measurement, arrange at least three group transfer points, by coordinate conversion, the coordinate points between different survey station is transformed in the same coordinate system, completes the measurement of settlement point coordinate.
2. the externally measured method of tank pad sedimentation according to claim 1, is characterized in that described total powerstation is fixed on A-frame, is placed on a corner of fire dike, away from trying one's best from tank pad; A-frame is for supporting and adjust height and the levelness of total powerstation.
3. the externally measured method of tank pad sedimentation according to claim 1, after it is characterized in that described total powerstation places, need levelling after, just can carry out work.
4. the externally measured method of tank pad sedimentation according to claim 1, be is characterized in that described datalogger is the engineering mobile phone having installed Survey Software, is connected by bluetooth communication agreement with total powerstation.
5. the externally measured method of tank pad sedimentation according to claim 1, it is characterized in that described total powerstation meeting automatic search prism, prism is placed on transfer point.
6. the externally measured method of tank pad sedimentation according to claim 1, is characterized in that described second survey station point is the corner of the fire dike of next-door neighbour first survey station point.
7. the externally measured method of tank pad sedimentation according to claim 1, is characterized in that described transfer point is wanted can be observed by total powerstation at former and later two survey stations, just can complete station transfer and measure.
8. the externally measured method of tank pad sedimentation according to claim 1, is characterized in that described the data importing measured being carried out analyzing and processing in computing machine.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106813590A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | External floating roof tank deformation detection method |
| CN106813589A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | With External floating roof tank real-time deformation monitoring method |
| CN106813588A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of External floating roof tank group deformation monitoring method |
| CN106813587A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of External floating roof tank DEFORMATION MONITORING SYSTEM |
| CN106813586A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of DEFORMATION MONITORING SYSTEM of External floating roof tank group |
| CN108180860A (en) * | 2018-03-08 | 2018-06-19 | 湖南科技大学 | The deformation measuring device and method on building basis under mining influence |
| CN109186544A (en) * | 2018-11-09 | 2019-01-11 | 湖南联智桥隧技术有限公司 | A kind of method and device for facing the measurement of higher degree of sky interface |
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| CN106813588A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of External floating roof tank group deformation monitoring method |
| CN106813587A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of External floating roof tank DEFORMATION MONITORING SYSTEM |
| CN106813586A (en) * | 2015-11-30 | 2017-06-09 | 中国石油化工股份有限公司 | A kind of DEFORMATION MONITORING SYSTEM of External floating roof tank group |
| CN106813586B (en) * | 2015-11-30 | 2019-09-10 | 中国石油化工股份有限公司 | A kind of DEFORMATION MONITORING SYSTEM of External floating roof tank group |
| CN106813589B (en) * | 2015-11-30 | 2019-09-10 | 中国石油化工股份有限公司 | With External floating roof tank real-time deformation monitoring method |
| CN106813590B (en) * | 2015-11-30 | 2019-09-10 | 中国石油化工股份有限公司 | External floating roof tank deformation detection method |
| CN108180860A (en) * | 2018-03-08 | 2018-06-19 | 湖南科技大学 | The deformation measuring device and method on building basis under mining influence |
| CN109186544A (en) * | 2018-11-09 | 2019-01-11 | 湖南联智桥隧技术有限公司 | A kind of method and device for facing the measurement of higher degree of sky interface |
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Effective date of registration: 20171103 Address after: Yanan City, Shandong province Qingdao City three road 266071 No. 218 Applicant after: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. Applicant after: Sinopec Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Applicant before: Sinopec Corp. Applicant before: Qingdao Safety Engineering Research Institute of Sinopec Co., Ltd. |
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