CN214470768U - Height monitoring system for immersed tube sinking installation process - Google Patents
Height monitoring system for immersed tube sinking installation process Download PDFInfo
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- CN214470768U CN214470768U CN202120679508.4U CN202120679508U CN214470768U CN 214470768 U CN214470768 U CN 214470768U CN 202120679508 U CN202120679508 U CN 202120679508U CN 214470768 U CN214470768 U CN 214470768U
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Abstract
The utility model discloses an immersed tube sinking installation process elevation monitoring system, which comprises a tide level station and a tube joint measuring control system, wherein the tide level station is arranged beside a construction area and is provided with a station water level gauge and a data sending unit; the two control point water level meters are arranged on parallel lines of the axis of the pipe joint and are respectively arranged above the two ends of the pipe joint; the two static force level gauges are arranged on a vertical line in the direction of the axis of the pipe joint, are respectively arranged on two sides of the axis of the pipe joint and are arranged on the inner sides of the side walls of the pipe joint; the densimeter is arranged on the sinking barge; the measuring data of the station water level gauge are transmitted to the data receiving unit through the data transmitting unit, and the measuring data of the control point water level gauge and the static level gauge and the measuring data of the station water level gauge are transmitted to the computer through the data receiving unit. The utility model discloses can obtain the absolute elevation data in bottom of pipe that the precision is higher.
Description
Technical Field
The utility model relates to an immersed tube is elevation monitoring system under water, especially an immersed tube sinks and puts installation process elevation monitoring system.
Background
With the continuous development of the traffic technology level, river-crossing and river-crossing channels in the central urban area are increasingly constructed by adopting an immersed tube method. With the construction of the majored bridge to traffic, people gradually realize the great advantages, large section and shallow buried depth of the immersed tube tunnel, and the disturbance to the current situation environment can be reduced to the maximum extent by constructing the immersed tube type river-crossing channel in the golden section of the city. The immersed tube tunnel usually has a larger longitudinal slope, and the design elevation is strictly required to be followed in the construction processes of foundation trench excavation, foundation laying, tube section sinking installation and the like, and particularly, the accurate immersed tube elevation value is required in the mode of foundation construction by a post-laying method. The immersed tube sinking installation construction generally adopts an RTK GPS to measure the plane position and the elevation, adopts an inclinometer to correct the attitude, and is limited by the overlarge GPS precision and the height difference between the GPS and the inclinometer, so that the elevation error of the immersed tube exceeds 40mm, the control and the adjustment of the immersed tube section sinking installation process are influenced, and the adverse effect is generated on the subsequent construction.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical problem that exists among the well-known technology and provide a immersed tube sinking installation elevation monitoring system, can obtain the absolute elevation data of tube bottom that the precision is higher.
The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: an elevation monitoring system for immersed tube sinking installation process comprises a tide level station and a pipe joint measurement control system, wherein the tide level station is arranged beside a construction area, the tide level station is provided with a station water level gauge and a data transmitting unit, and the pipe joint measurement control system comprises two control point water level gauges, two static force level gauges, a density gauge, a data receiving unit and a computer; the two control point water level meters are arranged on a parallel line of the axis of the pipe joint and are respectively arranged above two ends of the pipe joint; the two static force level gauges are arranged on a vertical line in the direction of the axis of the pipe joint, are respectively arranged on two sides of the axis of the pipe joint and are arranged on the inner side of the side wall of the pipe joint; the densimeter is arranged on the sinking barge; the measuring data of the station water level meters are transmitted to the data receiving unit through the data transmitting unit, and the measuring data of the two control point water level meters, the measuring data of the two hydrostatic level meters and the measuring data of the station water level meters are transmitted to the computer through the data receiving unit.
Furthermore, two control point water level meters are respectively arranged at the bottoms of the two measurement control towers, the two measurement control towers are fixed on the top surface of the pipe joint, and water is discharged.
Further, the station water level gauge and the two control point water level gauges are gauge pressure type water level gauges.
Further, the densitometer is a tuning fork densitometer.
The utility model has the advantages and positive effects that: by arranging the tide level station beside the construction area, the accurate transmission of the absolute elevation of the tide level station can be realized by utilizing an average horizontal plane; the density correction of the measured value of the water level meter can be realized by adopting the density meter, and the accuracy can reach 5mm after the correction; the attitude condition of the whole immersed tube can be reflected by using the immersed tube pitching attitude angle Pitch and the immersed tube rolling attitude angle Roll which are measured and calculated by using 2 control point water level meters and 2 static level meters, and the data is more accurate than an inclinometer; the control point water level gauge installed at the bottom of the measurement control tower is closer to the bottom of the immersed tube, and after being corrected by Pitch and Roll, the absolute elevation data of the tube bottom with higher precision can be obtained.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
For further understanding of the contents, features and functions of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings as follows:
referring to fig. 1, an elevation monitoring system for immersed tube sinking installation process comprises a tide level station (not shown in the figure) and a pipe joint measurement control system, wherein the tide level station is provided with a station water level gauge and a data transmission unit, the pipe joint measurement control system comprises two control point water level gauges S1 and S2, two static level gauges J1 and J2, a density gauge, a data receiving unit and a computer; the two control point water level meters S1 and S2 are arranged on the parallel line of the axis of the pipe joint and are respectively arranged above the two ends of the pipe joint 10; the two static force level gauges J1 and J2 are installed on a vertical line in the axis direction of the pipe joint, are respectively arranged on two sides of the axis of the pipe joint and are installed on the inner side of the side wall of the pipe joint; the densimeter is arranged on the sinking barge; the measurement data of the station water level gauge are transmitted to the data receiving unit through the data transmitting unit, and the measurement data of the two control point water level gauges S1 and S2, the measurement data of the two hydrostatic levels J1 and J2 and the measurement data of the station water level gauge are transmitted to a computer through the data receiving unit.
In this embodiment, two control point water level gauges S1 and S2 are respectively disposed at the bottom of two measurement control towers 11 and 12, the two measurement control towers 11 and 12 are fixed on the top surface of the pipe joint 10, and the water outlet is disposed to provide reference for water measurement and adjust the front, back, left and right positions of the immersed pipe. The sinking barge is connected with the sinking pipe through two lifting lugs by a steel wire rope and is used for controlling the sinking of the sinking pipe.
The station water level gauge and the two control point water level gauges S1 and S2 are gauge pressure type water level gauges, and the accuracy is 0.01% FS.
The density meter is a tuning fork densimeter, preferably the tuning fork densimeter is adopted, the density of the water body and the floating mud can be measured, and the density correction precision can be conveniently improved under the condition that the floating mud in the water body is influenced.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the scope of the present invention.
Claims (4)
1. The elevation monitoring system for the immersed tube sinking installation process is characterized by comprising a tide level station and a tube joint measuring control system, wherein the tide level station is arranged beside a construction area, the tide level station is provided with a station water level gauge and a data transmitting unit, and the tube joint measuring control system comprises two control point water level gauges, two static force level gauges, a densimeter, a data receiving unit and a computer; the two control point water level meters are arranged on a parallel line of the axis of the pipe joint and are respectively arranged above two ends of the pipe joint; the two static force level gauges are arranged on a vertical line in the direction of the axis of the pipe joint, are respectively arranged on two sides of the axis of the pipe joint and are arranged on the inner side of the side wall of the pipe joint; the densimeter is arranged on the sinking barge; the measuring data of the station water level meters are transmitted to the data receiving unit through the data transmitting unit, and the measuring data of the two control point water level meters, the measuring data of the two hydrostatic level meters and the measuring data of the station water level meters are transmitted to the computer through the data receiving unit.
2. The elevation monitoring system for immersed tube sinking installation process according to claim 1, wherein two control point level meters are respectively arranged at the bottom of two measurement control towers, and the two measurement control towers are fixed on the top surface of the pipe section and arranged for water outlet.
3. An elevation monitoring system according to claim 1 wherein said station level gauge and said two control point level gauges are gauge pressure type level gauges.
4. The immersed tube sinking installation process elevation monitoring system of claim 1, wherein the densitometer is a tuning fork densitometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120679508.4U CN214470768U (en) | 2021-04-02 | 2021-04-02 | Height monitoring system for immersed tube sinking installation process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120679508.4U CN214470768U (en) | 2021-04-02 | 2021-04-02 | Height monitoring system for immersed tube sinking installation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214470768U true CN214470768U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120679508.4U Active CN214470768U (en) | 2021-04-02 | 2021-04-02 | Height monitoring system for immersed tube sinking installation process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214470768U (en) |
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2021
- 2021-04-02 CN CN202120679508.4U patent/CN214470768U/en active Active
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