CN206670618U - A kind of concrete level mark for installing displacement transducer - Google Patents
A kind of concrete level mark for installing displacement transducer Download PDFInfo
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- CN206670618U CN206670618U CN201720425708.0U CN201720425708U CN206670618U CN 206670618 U CN206670618 U CN 206670618U CN 201720425708 U CN201720425708 U CN 201720425708U CN 206670618 U CN206670618 U CN 206670618U
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- level mark
- displacement transducer
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- connecting rod
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Abstract
The utility model discloses a kind of concrete level mark for installing displacement transducer, setting drilling is provided with below traditional basic level mark basal plane of concrete, anchored end is fixed with foot of hole, connecting rod bottom is connected with anchored end, pillar is cased with outside connecting rod, swelling soil ball is backfilled between drilling and pillar, the pillar for stretching out drilling is cast in the basic level mark of concrete, the connecting rod top for stretching out pillar is connected with the bottom of displacement transducer, sleeve is provided with the outside of displacement transducer, sleeve and pillar are cast in the basic level mark of concrete vertically, the top of displacement transducer is fixed on the top of the basic level mark of concrete, displacement transducer is connected by signal cable with the readout instrument being arranged on the outside of the basic level mark of concrete.The utility model improves the basic level mark working base point precision of conventional concrete, reduces level mark working base point and the datum mark translocation frequency.
Description
Technical field
Concrete level mark is the utility model is related to, especially a kind of concrete water fiducial mark for installing displacement transducer
Stone.
Background technology
In the engineering such as industry and civil buildings, municipal traffic, water conservancy, ground, basis, superstructure and place sedimentation are surveyed
Embedded levelling work basic point is required in amount work.The basic level mark working base point of traditional concrete is by engineering site place
Condition limits, and tends not to bury in stable original state soil layer;In addition, engineering location earth's surface natural subsidence and engineering
The factors influences such as groundwater level decline, rainfall conventional operation basic point precision.Influenceed to eliminate factors above, it is necessary to fixed
High-grade datum mark outside Engineering Zone and working base point are carried out translocation by the phase.Because translocation leveling line typically distance is remote, time-consuming,
A translocation only often is carried out at each observation cycle end, and working base point elevation is modified in next cycle.When passing through
When translocation finds that working base point sedimentation and deformation is larger, the translocation cycle can only be shortened, but each observation period in the translocation cycle
Working base point elevation still can not be modified.
Utility model content
Technical problem to be solved in the utility model is that displacement is installed in traditional basic level mark of concrete and is passed
Sensor, sedimentation and deformation of the basic level mark of earth's surface concrete relative to borehole anchorage end is measured by readout instrument, so as to calculate
Translocation cycle inner concrete level mark working base point elevation.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is:A kind of installation displacement transducer
Concrete level mark, including the basic level mark of concrete, sedimentation punctuate, in the case where setting the basic level mark basal plane of concrete
Side is provided with drilling, and the basic level mark of concrete is covered in drilling top, is fixed with anchored end in foot of hole, connecting rod is erected
In straight tripping in drilling, bottom is connected with anchored end, and pillar is cased with outside connecting rod, swelling soil ball is backfilled between drilling and pillar,
The pillar for stretching out drilling is cast in the basic level mark of concrete, stretches out the connecting rod top and the bottom of displacement transducer of pillar
End is connected, and on the outside of displacement transducer and displacement transducer on the outside of connecting rod junction with being provided with sleeve, sleeve and shield
Pipe is cast in the basic level mark of concrete vertically, and the top of sleeve flushes with the top surface of the basic level mark of concrete, position
The top of displacement sensor is fixed on the top of the basic level mark of concrete, and displacement transducer is mixed with being arranged on by signal cable
Readout instrument on the outside of this level mark of solidifying soil matrix is connected.
The pillar is more piece, and adjacent two section pillars are connected by telescopic tube.
Multiple limit plungers are cased with connecting rod in the pillar, ensure that connecting rod is centered in pillar center.
Fixed disk is provided with the top of sleeve, fixed disk is installed at the top of the basic level mark of concrete, passes through installation
Sensor is simultaneously fastened on fixed disk by adjusting rod setting sensor range on fixed disk.
The signal cable is embedded in the basic level mark of concrete.
The beneficial effects of the utility model are:The utility model solves each observation period level mark work in the translocation cycle
Make basic point elevation observation problem, improve the basic level mark working base point precision of conventional concrete, reduce level mark work
Make basic point and the datum mark translocation frequency, can be widely used for industry and the engineering foundation such as civil buildings, municipal traffic, water conservancy, basis,
Superstructure and the work of place settlement measurement.The translocation frequency and measurement cost can be effectively reduced, improves operating efficiency.
Brief description of the drawings
Fig. 1 is the concrete water fiducial mark stone structure figure of installation displacement transducer of the present utility model.
Fig. 2 is the concrete water fiducial mark stone working base point grid DEM of the installation displacement transducer of the utility model embodiment
Exemplary plot.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description:
As shown in figure 1, the concrete level mark of installation displacement transducer of the present utility model, including the basic water of concrete
Fiducial mark stone 7, sedimentation punctuate 8, drilling 2, the basic level of concrete are provided with below the basic basal plane of level mark 7 of concrete setting
Markstone 7 is covered in the top of drilling 2, and anchored end 1 is fixed with foot of hole, in 3 vertical tripping in of connecting rod drilling 2, bottom and anchor
Fixed end 1 is connected, and pillar 5 is cased with outside connecting rod 3, swelling soil ball is backfilled between drilling 2 and pillar 5, the pillar 5 for stretching out drilling pours
Build in the basic level mark 7 of concrete, the top of connecting rod 3 for stretching out pillar 5 is connected with the bottom of displacement transducer 10, in place
With being provided with sleeve 9 on the outside of the junction of connecting rod 3, sleeve 9 and pillar 5 are perpendicular for the outside of displacement sensor 10 and displacement transducer 10
Directly it is cast in the basic level mark 7 of concrete, the top surface of the top level mark 7 basic with concrete of sleeve 9 flushes, displacement
The top of sensor 10 is fixed on the top of the basic level mark 7 of concrete, and displacement transducer 10 is by signal cable 14 with setting
The readout instrument 15 in the basic outside of level mark 7 of concrete is put to be connected.
The pillar 5 is more piece, and adjacent two section pillars 5 are connected by telescopic tube 6.
Multiple limit plungers 4 are cased with connecting rod 3 in the pillar 5, ensure that connecting rod 3 is centered in the center of pillar 5.
Fixed disk 12 is provided with the top of sleeve 9, fixed disk 12 is installed to the basic top of level mark 7 of concrete, led to
Cross the setting sensor range of adjusting rod 13 being arranged on fixed disk 12 and sensor is fastened on fixed disk 12.
The signal cable 14 is embedded in the basic level mark 7 of concrete.
The elevation observation of the concrete level mark of above-mentioned installation displacement transducer and computational methods, including following step
Suddenly:
(1) level mark sedimentation and deformation is observed:Each observation period sensor reading is recorded by readout instrument and calculates water
Sedimentation and deformation of the fiducial mark stone with respect to anchored end;
(2) level mark working base point grid DEM:In the end of term in translocation week, translocation is carried out to level mark and datum mark,
Each observation period level mark working base point elevation in the translocation cycle is calculated according to translocation result.
The step (1) is:t0Time, the basic level mark of translocation concrete settled the initial Level Height H of punctuate first0,
Simultaneous observation simultaneously records displacement transducer initial reading R0;To t1Time observation simultaneously records displacement transducer reading R1;Class successively
Push away, observe and record t in the translocation cycle1…tnTime corresponds to displacement flowmeter sensor order reading R1…Rn, according to displacement transducer
Calibration formula calculates t in the translocation cycle1…tnEach time corresponds to deformation of sedimentation M1…Mn。
The step (2) is:In tnThe basic level mark of the time translocation cycle concrete settles punctuate Level Height
Hn, it is K=(H to calculate benchmark sedimentation and deformation correction factor0-Hn)/Mn, then each observation period t in the translocation cycle1…tnWhen
Between corresponding levelling work basic point to calculate elevation be h(1…n)=H0-M(1…n)×K。
The utility model in traditional basic level mark of concrete by installing displacement transducer, through connecting rod and tool
The borehole anchorage end for having certain projected depth is connected, and when the basic level mark of earth's surface concrete settles, drives sensor
Generation synchronously deforms, and records each observation period sensor reading by portable digital reader and calculates the relative anchoring of level mark
The sedimentation and deformation at end, through with calculating each observation period level mark working base point elevation according to translocation result after datum mark translocation.
The embodiment for drawing water transfer safety monitoring project with reference to certain is made further specifically to the utility model
It is bright:
As shown in figure 1, the concrete level mark of installation displacement transducer includes anchored end 1, drilling 2, connecting rod 3, limit
Position plug 4, pillar 5, sleeve pipe 6, the basic level mark 7 of concrete, sedimentation punctuate 8, sleeve 9, displacement transducer 10, fixed disk 12,
Adjusting rod 13, signal cable 14, readout instrument 15
(1) drilling installation:Carry out drilling 2 in construction on-site specified location, hole depth into base fixed original state soil layer or
Deeply it is tested the following design specified location in building basis.Anchored end 1 is connected one by one with connecting rod 3, connecting rod overcoat pillar 5
With anchored end 1 in the lump in vertical tripping in hole, backfill swelling soil ball in anchoring metapore.After substructure installation, displacement is passed
Sensor 10 is connected with the connecting rod of ground exposure, is cast in the lump in the structure of top concrete level mark 7 with sleeve 9, sensing
Device signal cable 14 is drawn.The basic level mark top installation fastening base 11 of concrete, passes through the setting sensor of adjusting rod 13
Range simultaneously fastens on the top of fixed disk 12.After the observation phase terminates, fixed disk can be removed, unload displacement transducer and repeat profit
With.
(2) level mark sedimentation and deformation is observed:t0Time, the basic level mark sedimentation punctuate of translocation concrete was initial first
During Level Height, simultaneous observation simultaneously records displacement transducer initial reading R0;To t1Time observation simultaneously records displacement transducer reading
R1.The like, observe and record t in the translocation cycle1…tnTime corresponds to displacement flowmeter sensor order reading R0…Rn, according to position
Displacement sensor calculation formula M=(R0-R1…n) × G calculates t in the translocation cycle1…tnEach time corresponds to deformation of sedimentation M1…Mn。
G is transducer calibration coefficient in formula.
(3) level mark working base point grid DEM:According to the basic level mark sedimentation punctuate of translocation cycle inner concrete
Initial Level Height H0With translocation elevation Hn, and each observation period t in the translocation cycle1…tnDeformation of sedimentation corresponding to time
M1…Mn, it is K=(H to calculate benchmark sedimentation and deformation correction factor0-Hn)/Mn, then each observation period t in the translocation cycle1…
tnIt is h that levelling work basic point corresponding to time, which calculates elevation,(1…n)=H0-M(1…n)×K.Day part result of calculation example such as Fig. 2
Shown in table 1.
The elevation of table 1 observes computational chart
Example described above is merely to illustrate technological thought of the present utility model and feature, and its object is to the skill of this area
Art personnel are it will be appreciated that content of the present utility model and implement according to this, it is impossible to only limit patent of the present utility model with this example
Scope, i.e., the equal change or modification that the spirit disclosed in all the utility model is made, still falls in the scope of the utility model.
Claims (5)
1. a kind of concrete level mark for installing displacement transducer, including the basic level mark of concrete (7), sedimentation punctuate
(8), it is characterised in that be provided with drilling (2), the basic water of concrete below the basic level mark of concrete (7) basal plane setting
Fiducial mark stone (7) is covered at the top of drilling (2), and anchored end (1), the vertical tripping in drilling (2) of connecting rod (3) are fixed with foot of hole
In, bottom is connected with anchored end (1), and pillar (5) is cased with outside connecting rod (3), is drilled (2) and is backfilled swelling between pillar (5)
Soil ball, the pillar (5) for stretching out drilling are cast in the basic level mark of concrete (7), stretch out connecting rod (3) top of pillar (5)
End is connected with the bottom of displacement transducer (10), in displacement transducer (10) outside and displacement transducer (10) and connecting rod
(3) sleeve (9) is provided with the outside of junction, sleeve (9) and pillar (5) are cast in the basic level mark of concrete (7) vertically
In, the top of sleeve (9) is flushed with the top surface of the basic level mark of concrete (7), and the top of displacement transducer (10) is fixed on
The top of the basic level mark of concrete (7), displacement transducer (10) are basic with being arranged on concrete by signal cable (14)
Readout instrument (15) on the outside of level mark (7) is connected.
2. the concrete level mark of installation displacement transducer according to claim 1, it is characterised in that the pillar
(5) it is more piece, adjacent two save pillars (5) is connected by telescopic tube (6).
3. the concrete level mark of installation displacement transducer according to claim 1, it is characterised in that the pillar
(5) multiple limit plungers (4) are cased with the connecting rod (3) in, ensure that connecting rod (3) is centered in pillar (5) center.
4. the concrete level mark of installation displacement transducer according to claim 1, it is characterised in that in sleeve (9)
Top be provided with fixed disk (12), fixed disk (12) is installed at the top of the basic level mark of concrete (7), by installed in solid
Sensor is simultaneously fastened on fixed disk (12) by adjusting rod (13) setting sensor range on price fixing (12).
5. the concrete level mark of installation displacement transducer according to claim 1, it is characterised in that the signal electricity
Cable (14) is embedded in the basic level mark of concrete (7).
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CN201720425708.0U CN206670618U (en) | 2017-04-21 | 2017-04-21 | A kind of concrete level mark for installing displacement transducer |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107063178A (en) * | 2017-04-21 | 2017-08-18 | 中水北方勘测设计研究有限责任公司 | A kind of concrete level mark for installing displacement transducer and its elevation observation and computational methods |
CN110849323A (en) * | 2019-12-12 | 2020-02-28 | 中国电建集团成都勘测设计研究院有限公司 | Telescopic settling tube, and settling deformation monitoring system and method |
-
2017
- 2017-04-21 CN CN201720425708.0U patent/CN206670618U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107063178A (en) * | 2017-04-21 | 2017-08-18 | 中水北方勘测设计研究有限责任公司 | A kind of concrete level mark for installing displacement transducer and its elevation observation and computational methods |
CN110849323A (en) * | 2019-12-12 | 2020-02-28 | 中国电建集团成都勘测设计研究院有限公司 | Telescopic settling tube, and settling deformation monitoring system and method |
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