CN1296682C - Device and its method for monitoring river bed sedimentation in tunnel pass through river construction - Google Patents
Device and its method for monitoring river bed sedimentation in tunnel pass through river construction Download PDFInfo
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- CN1296682C CN1296682C CNB200410051122XA CN200410051122A CN1296682C CN 1296682 C CN1296682 C CN 1296682C CN B200410051122X A CNB200410051122X A CN B200410051122XA CN 200410051122 A CN200410051122 A CN 200410051122A CN 1296682 C CN1296682 C CN 1296682C
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Abstract
The present invention relates to a device and a method for monitoring the river bed sedimentation in the tunnel passing through river construction. The present invention comprises a water pressure sensing collection mechanism which is composed of at least two water pressure sensing devices sinking into the river bottom for fixation and a signal receiving, processing and analyzing device arranged on the river bank, wherein the signal receiving, processing and analyzing device comprises a signal receiving instrument for receiving vibration signals generated by every water pressure sensing device and an electronic processing device containing a data processing and analyzing system. The water pressure sensing devices are respectively connected with the signal receiving instrument by data wires, and the signal receiving instrument is connected with the electronic processing device by the data wires. Subsequently, the electronic processing device processes and analyzes the signals generated by the water pressure sensing devices in a real time way so as to obtain the monitoring data of the river bed sedimentation.
Description
Technical field
The present invention relates to be used to monitor in a kind of tunnel tunnel driving crossing underneath river the devices and methods therefor of riverbed sedimentation.
Background technology
When digging river-crossing tunnel, need monitor in real time, and analyze and draw real-time monitoring result being positioned at situations of change such as water pressure at the bottom of the river above the tunnel axis, sedimentation.To help the situation of change at the bottom of the engineering staff grasps the river at any time, ancillary works policymaker makes correct decisions, thereby guarantees tunnelling everything goes well with your work to carry out.Yet, can be applicable to the various monitoring devices (as buoy method, asdic method etc.) that this occasion is monitored at present, its ubiquity such problem: one, be subjected to extraneous factor to change (as: passing ships of river surface, tidal bulge or lakie easily; ) influence, cause the monitoring result error big, inaccurate, can't reflect the actual change situation at the bottom of the river faithfully; Two, can not obtain monitor signal with monitoring in real time, be converted to the water pressure of each measuring point at the bottom of the directviewing description river and the situation of change of sedimentation in real time; Three, not high (general monitoring accuracy can only reach 10～30cm) to monitoring accuracy; Four, the influence to river surface is bigger.
Summary of the invention
The objective of the invention is to solve above-mentioned existing problems, provide a kind of and can carry out continuous monitoring to the situation of the variation at the bottom of the river in real time, and in real time directviewing description goes out the data of situation of change at the bottom of the river and monitoring device that antijamming capability is strong, measuring accuracy is high, simple to operate and method thereof.
Technical scheme of the present invention is achieved in that the device that is used to monitor the riverbed sedimentation in a kind of tunnel tunnel driving crossing underneath river, be characterized in comprising by at least two and sink at the bottom of the river and arrange hydraulic pressure sensing collecting mechanism that hydraulic pressure sensing device that being used in being fixed at the bottom of the river gather the actual signal of each point at the bottom of the river forms and the signal receiving processing and analyzing equipment that is arranged at the riverside along the axis in tunnel, wherein, described signal receiving processing and analyzing equipment comprises the signal receiver that is used to receive the vibration signal that each hydraulic pressure sensing device produces and includes data processing and the electronic processing device of analytic system, the data line that described each hydraulic pressure sensing device was laid by the riverine end is connected to the input end that is arranged on signal receiver along the river, and described signal receiver is connected with electronic processing device by data line and by electronic processing device the signal that the hydraulic pressure sensing device produces is carried out the Monitoring Data that real-time Treatment Analysis obtains the riverbed sedimentation.
For the reference level benchmark of Treatment Analysis is provided for above-mentioned electronic processing device, thereby make the electronic processing device can be truer, measure situation of change at the bottom of the river exactly, make the present invention can be more accurate, comprehensively, the sedimentation situation of change that reflects the riverbed that is positioned at tunnel upper in real time, above-mentioned hydraulic pressure sensing collecting mechanism comprises that also at least two are sunk to a left side of being fixed in tunnel axis at the bottom of the river respectively, the hydraulic pressure sensing device that is used to gather reference signal of the bank Ji Chu on right side, the data line that described each hydraulic pressure sensing device was laid by the riverine end is connected in the input end that is arranged on signal receiver along the river.
The method that is used to monitor the riverbed sedimentation of the above-mentioned monitoring device of the invention process, its step is as follows:
(1) width in riverbed of monitoring as required, a plurality of hydraulic pressure sensing devices that are used for gathering the actual signal of each point at the bottom of the river are sunk to the river at the bottom of, and with a determining deviation along tunnel axis arrange be fixed on the river at the bottom of;
(2) many data lines are laid at the riverine end, and each hydraulic pressure sensing device is connected with each data lines respectively;
(3) set up signal receiver being positioned at the riverside of laying the hydraulic pressure sensing device, and the data line that will be connected in each hydraulic pressure sensor is connected in the signal input part of signal receiver;
(4) Monitoring Data that will obtain after signal receiver is handled by data line is sent to the electronic processing device that includes data processing and analytic system;
(5) by the data processing and the analytic system of electronic processing device the vibration signal that each hydraulic pressure sensing device monitoring produces is handled and analyzed, be stored in the storer of electronic processing device handling and analyze the Monitoring Data that obtains, and export the display screen of electronic processing device to.
Handle and the reference level benchmark of analyzing in order to provide for above-mentioned data processing and analytic system, thereby make data processing and analytic system can measure situation of change at the bottom of the river truer, exactly, also be included in the above-mentioned steps and be positioned at tunnel axis and respectively install the reference point P of a hydraulic pressure sensing device respectively as data processing and analysis apart from 20 meters of and arranged on left and right sides and apart from 10 meters of bank base
1, P
2
Data processing in the electronic processing device in the above-mentioned steps (5) and analytic system are Treatment Analysis as follows:
(5-1) will handle the Monitoring Data that obtains through signal receiver by data acquisition module collects in the electronic processing device;
(5-2) data importing of data collecting module collected is stored to pre-designed database by the data importing module;
(5-3) by data processing module the Monitoring Data that is stored in the monitoring gained vibration signal in the database being handled and analyzed, is by with two reference point P
1, P
2Mean value
As reference water level datum pressure, and represent i monitoring point with i, j represents to measure for the j time, utilizes Δ
j=P
iIt is dark that-P converts water column to, with Δ
jWith Δ
J-1Relatively can obtain the sedimentation of i measuring point the j time;
(5-4) result who the data processing module Treatment Analysis is drawn by the figure output module intuitively outputs on the display screen of electronic processing device with the sedimentation every day variation diagram and the accumulative total sedigraph of change curve, each monitoring point.
The present invention is owing to adopt by sinking to hydraulic pressure sensing device fixing at the bottom of the river and being arranged at signal receiver along the river and monitoring device and the monitoring method that the electronic processing device of data processing and analytic system is formed is housed, make the present invention by a plurality of hydraulic pressure sensing devices are sunk at the bottom of the river and be fixed at the bottom of the river along tunnel axis in and the sedimentation situation of change that is positioned at the riverbed on the tunnel axis is carried out in real time, continuous monitoring, and the data line that the vibration signal that each hydraulic pressure sensing device produces was laid by the riverine end is sent to the signal receiver that is arranged at the riverside, to handle through signal receiver then and obtain data and be sent to the electronic processing device that data processing and analytic system are housed by data line, through electronic processing device the signal that the hydraulic pressure sensing device produces is carried out in real time, intuitively, continuous Treatment Analysis and obtain the Monitoring Data of riverbed sedimentation, thus the sedimentation that helps the engineering decision personnel to grasp the riverbed at any time exactly changes.And the utlity model has the advantage that antijamming capability is strong, measuring accuracy is high, simple to operate.
The present invention is further illustrated below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is that structure of the present invention is formed synoptic diagram.
Fig. 2 forms synoptic diagram for structure of overlooking direction of the present invention
Fig. 3 is the structural representation of hydraulic pressure sensing device of the present invention.
Embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, the present invention includes by at least two and sink to hydraulic pressure sensing collecting mechanism that hydraulic pressure sensing device fixing at the bottom of the river forms and the signal receiving processing and analyzing equipment 3 that is arranged at the riverside, wherein, described signal receiving processing and analyzing equipment 3 comprises the signal receiver that is used to receive the vibration signal that each hydraulic pressure sensing device produces and includes data processing and the electronic processing device of analytic system, described each hydraulic pressure sensing device is connected with signal receiver by data line respectively, and described signal receiver is connected with electronic processing device by data line and by electronic processing device the signal that the hydraulic pressure sensing device produces is carried out the Monitoring Data that real-time Treatment Analysis obtains the riverbed sedimentation.Like this, make the present invention by a plurality of hydraulic pressure sensing devices are sunk at the bottom of the river and be fixed at the bottom of the river along tunnel axis in and the sedimentation situation of change that is positioned at the riverbed on the tunnel axis is carried out in real time, continuous monitoring, and the data line that the vibration signal that each hydraulic pressure sensing device produces was laid by the riverine end is sent to the signal receiver that is arranged at the riverside, to handle through signal receiver then and obtain data and be sent to the electronic processing device that data processing and analytic system are housed by data line, through electronic processing device the signal that the hydraulic pressure sensing device produces is carried out in real time, intuitively, continuous Treatment Analysis and obtain the Monitoring Data of riverbed sedimentation, thus the sedimentation that helps the engineering decision personnel to grasp the riverbed at any time exactly changes.And, avoided effectively because of extraneous factor (as: factor affecting such as the passing ships of river surface, tidal bulge or lakie because the present invention adopts hydraulic pressure sensing device 1 is fixed on Jiang Dizhong.) influence and cause the inaccurate of monitoring result, but and have that antijamming capability is strong, navigation does not have influence continuous coverage, monitoring in real time, measuring accuracy height, advantage simple to operate to river surface.Wherein, described electronic processing device is that notebook computer or desktop computer or other have that program is loaded and the electronic device of Data Management Analysis ability, output function.For making the present invention can reflect the sedimentation situation of change in the riverbed that is positioned at tunnel upper accurately, comprehensively, in real time, above-mentioned hydraulic pressure sensing collecting mechanism comprises that at least two are sunk at the bottom of the river and arrange the hydraulic pressure sensing device 1 that being used in being fixed at the bottom of the river gather the actual signal of each point at the bottom of the river along the axis in tunnel, and the data line that described each hydraulic pressure sensing device 1 was laid by the riverine end is connected in the input end that is arranged on signal receiver along the river.Wherein, the number that is layed in each the hydraulic pressure sensing device 1 at the bottom of the river is to lay along the axis in tunnel with a determining deviation according to actual conditions according to the river bed width.Simultaneously, for the reference level benchmark of Treatment Analysis is provided for above-mentioned electronic processing device, above-mentioned hydraulic pressure sensing collecting mechanism also comprises at least two hydraulic pressure sensing devices 2 that are used to gather reference signal that sink to the bank Ji Chu of the left and right side that is fixed in tunnel axis at the bottom of the river respectively, and the data line that described each hydraulic pressure sensing device 2 was laid by the riverine end is connected to the input end that is arranged on signal receiver along the river.As shown in Figure 2, present embodiment adopts at the bank Ji Chu of the left and right side of tunnel axis and 1 conduct of a hydraulic pressure sensing device respectively is set with reference to reference point respectively, the signal of this reference point is positioned at the datum pressure of each hydraulic pressure sensing device 1 on the tunnel axis as the electronic processing device Treatment Analysis, makes described electronic processing device can reflect situation of change at the bottom of the river truly, exactly by this datum pressure.Wherein, described reference level reference point location can not be too far away from measuring axis, can not be too near.Because flood tide, ebb, the water level reference point location also can descend along with ground settlement from the too near water level reference point location of axis from measuring the too far truly water level benchmark of reflected measurement near axis of axis, can not correctly reflect the sedimentation of point position.As shown in Figure 2, in general, be positioned at tunnel axis L=30 rice and arranged on left and right sides lay a hydraulic pressure sensing device 1 respectively as with reference to some P apart from bank base Q=10 rice
1, P
2, and with the mean value of two reference point
As reference water level datum pressure; Represent i monitoring point with i, j represents the j time measurement, utilizes Δ
j=P
iIt is dark that-P converts water column to, with Δ
jWith Δ
J-1Relatively can obtain the sedimentation of i measuring point the j time.For making above-mentioned hydraulic pressure sensing device can be fixed on Jiang Dizhong easily, as shown in Figure 3, above-mentioned each hydraulic pressure sensing device 1,2 comprises the steel chord type sensor respectively and is used to install steel pipe 4, the steel-pipe pile 5 of steel chord type sensor, wherein said steel chord type sensor device and is fixed on the steel-pipe pile 5 by steel pipe 4 in steel pipe 4.Like this, steel chord type sensor of the present invention is fixed at the bottom of steel-pipe pile is squeezed into the river, be not vulnerable to extraneous factor and change (as: passing ships of river surface, tidal bulge or lakie; ) and influence monitoring accuracy, thus guarantee that the monitoring data that draw are to reflect situation of change at the bottom of the river strictly according to the facts.Data processing in the above-mentioned electronic processing device and analytic system comprise that being used for of being linked in sequence will handle the data acquisition module that the Monitoring Data that obtains collects electronic processing device through signal receiver, be used for data importing module that the data importing of data collecting module collected to pre-designed database is stored, be used for the data processing module that the Monitoring Data that is stored in database is handled and analyzed and be used for the figure output module of result's output that the data processing module Treatment Analysis draws.
The method that is used to monitor the riverbed sedimentation of the above-mentioned monitoring device of the invention process, its step is as follows:
(1) width in riverbed of monitoring as required, a plurality of hydraulic pressure sensing devices that are used for gathering the actual signal of each point at the bottom of the river are sunk to the river at the bottom of, and with a determining deviation along tunnel axis arrange be fixed on the river at the bottom of;
(2) many data lines are laid at the riverine end, and each hydraulic pressure sensing device is connected with each data lines respectively;
(3) set up signal receiver being positioned at the riverside of laying the hydraulic pressure sensing device, and the data line that will be connected in each hydraulic pressure sensor is connected in the signal input part of signal receiver;
(4) Monitoring Data that will obtain after signal receiver is handled by data line is sent to the electronic processing device that includes data processing and analytic system;
(5) by the data processing and the analytic system of electronic processing device the vibration signal that each hydraulic pressure sensing device monitoring produces is handled and analyzed, be stored in the storer of electronic processing device handling and analyze the Monitoring Data that obtains, and export the display screen of electronic processing device to.
Handle and the reference level benchmark of analyzing in order to provide for above-mentioned data processing and analytic system, thereby make data processing and analytic system can measure situation of change at the bottom of the river truer, exactly, also be included in the above-mentioned steps and be positioned at tunnel axis and respectively install the reference point P of a hydraulic pressure sensing device 2 respectively as data processing and analysis apart from and arranged on left and right sides L=20 rice and apart from bank base Q=10 rice
1, P
2, the data line that described each hydraulic pressure sensing device 2 was laid by the riverine end is connected in the input end that is arranged on signal receiver along the river.
Data processing in the electronic processing device in the above-mentioned steps (5) and analytic system are Treatment Analysis as follows:
(5-1) will handle the Monitoring Data that obtains through signal receiver by data acquisition module collects in the electronic processing device;
(5-2) data importing of data collecting module collected is stored to pre-designed database by the data importing module;
(5-3) by data processing module the Monitoring Data that is stored in the monitoring gained vibration signal in the database being handled and analyzed, is by with two reference point P
1, P
2Mean value
As reference water level datum pressure, and represent i monitoring point with i, j represents to measure for the j time, utilizes Δ
j=P
iIt is dark that-P converts water column to, with Δ
jWith Δ
J-1Relatively can obtain the sedimentation of i measuring point the j time;
(5-4) result who the data processing module Treatment Analysis is drawn by the figure output module intuitively outputs on the display screen of electronic processing device with the sedimentation every day variation diagram and the accumulative total sedigraph of change curve, each monitoring point.
Claims (7)
1, the device that is used to monitor the riverbed sedimentation in a kind of tunnel tunnel driving crossing underneath river, it is characterized in that comprising by at least two and sink at the bottom of the river and arrange hydraulic pressure sensing collecting mechanism that hydraulic pressure sensing device (1) that being used in being fixed at the bottom of the river gather the actual signal of each point at the bottom of the river forms and the signal receiving processing and analyzing equipment (3) that is arranged at the riverside along the axis in tunnel, wherein, described signal receiving processing and analyzing equipment (3) comprises the signal receiver that is used to receive the vibration signal that each hydraulic pressure sensing device produces and includes data processing and the electronic processing device of analytic system, the data line that described each hydraulic pressure sensing device (1) was laid by the riverine end is connected to the input end that is arranged on signal receiver along the river, and described signal receiver is connected with electronic processing device by data line and by electronic processing device the signal that the hydraulic pressure sensing device produces is carried out the Monitoring Data that real-time Treatment Analysis obtains the riverbed sedimentation.
2, according to the device that is used to monitor the riverbed sedimentation in the described tunnel of claim 1 tunnel driving crossing underneath river, it is characterized in that above-mentioned hydraulic pressure sensing collecting mechanism also comprises at least two hydraulic pressure sensing devices (2) that are used to gather reference signal that sink to the bank Ji Chu of the left and right side that is fixed in tunnel axis at the bottom of the river respectively, the data line that described each hydraulic pressure sensing device (2) was laid by the riverine end is connected in the input end that is arranged on signal receiver along the river.
3, according to the device that is used to monitor the riverbed sedimentation in claim 1 or the 2 described tunnel tunnel driving crossing underneath rivers, it is characterized in that above-mentioned each hydraulic pressure sensing device (1,2) comprises the steel chord type sensor respectively and is used to install steel pipe (4), the steel-pipe pile (5) of steel chord type sensor, wherein said steel chord type sensor device and is fixed on the steel-pipe pile (5) by steel pipe (4) in steel pipe (4).
4, according to the device that is used to monitor the riverbed sedimentation in the described tunnel of claim 1 tunnel driving crossing underneath river, it is characterized in that data processing in the above-mentioned electronic processing device and analytic system comprise that being used for of being linked in sequence will handle the data acquisition module that the Monitoring Data that obtains collects electronic processing device through signal receiver, be used for data importing module that the data importing of data collecting module collected to pre-designed database is stored, be used for the data processing module that the Monitoring Data that is stored in database is handled and analyzed and be used for the figure output module of result's output that the data processing module Treatment Analysis draws.
5, be used to monitor the method for riverbed sedimentation in a kind of tunnel tunnel driving crossing underneath river, it is characterized in that including following steps:
(1) width in riverbed of monitoring as required, a plurality of hydraulic pressure sensing devices (1) that are used for gathering the actual signal of each point at the bottom of the river are sunk to the river at the bottom of, and with a determining deviation along tunnel axis arrange be fixed on the river at the bottom of;
(2) many data lines are laid at the riverine end, and each hydraulic pressure sensing device is connected with each data lines respectively;
(3) set up signal receiver being positioned at the riverside of laying the hydraulic pressure sensing device, and the data line that will be connected in each hydraulic pressure sensor is connected in the signal input part of signal receiver;
(4) Monitoring Data that will obtain after signal receiver is handled by data line is sent to the electronic processing device that includes data processing and analytic system;
(5) by the data processing and the analytic system of electronic processing device the vibration signal that each hydraulic pressure sensing device monitoring produces is handled in real time and analyzed, be stored in the storer of electronic processing device handling and analyze the Monitoring Data that obtains, and export the display screen of electronic processing device in real time to.
6,, it is characterized in that also being included in the above-mentioned steps (1) and be positioned at tunnel axis and respectively install the reference point P of a hydraulic pressure sensing device (2) respectively as data processing and analysis apart from 20 meters of and arranged on left and right sides and apart from 10 meters of bank base according to the method that is used to monitor the riverbed sedimentation in the described tunnel of claim 5 tunnel driving crossing underneath river
1, P
2, the data line that described each hydraulic pressure sensing device (2) was laid by the riverine end is connected in the input end that is arranged on signal receiver along the river.
7,, it is characterized in that data processing in the electronic processing device in the above-mentioned steps (5) and analytic system are Treatment Analysis as follows according to the method that is used to monitor the riverbed sedimentation in claim 5 or the 6 described tunnel tunnel driving crossing underneath rivers:
(5-1) will handle the Monitoring Data that obtains through signal receiver by data acquisition module collects in the electronic processing device;
(5-2) data importing of data collecting module collected is stored to pre-designed database by the data importing module;
(5-3) by data processing module the Monitoring Data that is stored in the monitoring gained vibration signal in the database being handled and analyzed, is by with two reference point P
1, P
2Mean value
As reference water level datum pressure, and represent i monitoring point with i, j represents to measure for the j time, utilizes Δ
j=P
iIt is dark that-P converts water column to, with Δ
jWith Δ
J-1Relatively can obtain the sedimentation of i measuring point the j time;
(5-4) result who the data processing module Treatment Analysis is drawn by the figure output module intuitively outputs on the display screen of electronic processing device with the sedimentation every day variation diagram and the accumulative total sedigraph of change curve, each monitoring point.
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| CNB200410051122XA CN1296682C (en) | 2004-08-17 | 2004-08-17 | Device and its method for monitoring river bed sedimentation in tunnel pass through river construction |
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| CN1296682C true CN1296682C (en) | 2007-01-24 |
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