CN110306974A - Borehole perpendicularity automatic monitoring method based on BIM - Google Patents
Borehole perpendicularity automatic monitoring method based on BIM Download PDFInfo
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- CN110306974A CN110306974A CN201910627674.7A CN201910627674A CN110306974A CN 110306974 A CN110306974 A CN 110306974A CN 201910627674 A CN201910627674 A CN 201910627674A CN 110306974 A CN110306974 A CN 110306974A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 106
- 239000010959 steel Substances 0.000 claims abstract description 106
- 230000002787 reinforcement Effects 0.000 claims abstract description 84
- 238000005259 measurement Methods 0.000 claims abstract description 75
- 238000005553 drilling Methods 0.000 claims abstract description 73
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
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- Earth Drilling (AREA)
Abstract
The invention discloses a kind of borehole perpendicularity automatic monitoring method based on BIM, comprising steps of one, building borehole perpendicularity testing agency；Two, the unit dropping distance of obliquity sensor is set；Three, the decline of obliquity sensor；Four, drop data under obliquity sensor is obtained；Five, n times repeat step 3 and step 4, obtain inclination data of the steel reinforcement cage along the n different height position that drillhole height direction declines；Six, obliquity sensor position is adjusted；Seven, the upper drop of obliquity sensor；Eight, obliquity sensor climb data is obtained；Nine, n times repeat step 7 and step 8, obtain inclination data of the steel reinforcement cage along the n different height position that drillhole height direction rises, and calculate measurement data offset distance；Ten, mean deviation distance Curve figure is drawn；11, the BIM model and visualizing monitor borehole perpendicularity of drilling are established.The present invention establishes the BIM model and visualizing monitor borehole perpendicularity of drilling, keeps technical staff very clear to the heeling condition of stake holes.
Description
Technical field
The invention belongs to borehole perpendicularity monitoring technical fields, and in particular to a kind of borehole perpendicularity based on BIM is automatic
Monitoring method.
Background technique
Fender post technology is widely used to during Foundation Pit Construction, and structure integrally can preferably realize that earth-retaining is anti-
Water function, multi-pass crosses mechanically actuated regulation during foundation pit enclosure pile driving construction at this stage and experience construction guarantees construction hole location
Plumbness, if construction hole location tilts, fender post system and earth's surface horizontal coordinate are in non-perpendicular state, monolithic stability
Property will be lacked, functionality is greatly affected, and can not play expected base pit stability maintenance purpose, and supporting pile structure will
Expectation function cannot be reached, threatened to the safety of base pit engineering, obstruction is caused to next step construction progress.Existing brill
The mode of hole perpendicularity detection, which has, suspends ultrasonic detector detection borehole perpendicularity in midair by unwrapping wire rope, or passes through laser acquisition
Device emit laser beam detection borehole perpendicularity, but due to fender post stake holes pore-forming after, in the hole in infiltration seriously, bottom hole can not be seen clearly
The laser beam in portion, laser detector transmitting can not play a role；Anti- cotton rope is taken ultrasonic detector and is protruded into water, due to ultrasonic wave
There is buoyancy in detector, not can guarantee the defence line verticality of anti-cotton rope in water, and then unwrapping wire rope is caused to suspend ultrasonic listening in midair
Device detects the method failure of borehole perpendicularity, is difficult to carry out the accurate measurement of construction hole location verticality.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing the brill based on BIM
Hole perpendicularity automatic monitoring method, it is novel in design reasonable, the different height of measurement drilling are moved back and forth in drilling using steel reinforcement cage
The gradient of degree is obtained the offset distance of drilling different height X-direction and the offset distance of Y-direction using gradient, draws the side X
Mean deviation distance Curve figure on upward mean deviation distance Curve figure and Y-direction, establishes the BIM model of drilling and visualizes prison
Borehole perpendicularity is surveyed, the limitation of traditional measurement is made up, keeps technical staff very clear to the heeling condition of stake holes, be progress adjustment
Powerful, convenient for promote the use of.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: the borehole perpendicularity based on BIM monitors automatically
Method, it is characterised in that method includes the following steps:
Step 1: building borehole perpendicularity testing agency, process are as follows:
Step 101, the construction ground side at the top of drilling install inverted L-shaped support frame, and the horizontal segment of inverted L-shaped support frame is remote
One end of vertical section from inverted L-shaped support frame is located on the central axes of drilling, is equipped with pulley on the medial surface of inverted L-shaped support frame
Group is equipped with crane in construction ground, and crane is located at the inside of inverted L-shaped support frame；
The cylindrical steel reinforcement cage of step 102, binding, the outer diameter of steel reinforcement cage are less than the internal diameter of drilling, the outer diameter of steel reinforcement cage with
The difference of the internal diameter of drilling is 1cm~5cm, and the top of steel reinforcement cage, multiple hoisting ropes are uniformly arranged in one end of multiple hoisting ropes
The other end intersect connection, the steel cable rope that crane stretches out is connect by pulley blocks with the intersection end of multiple hoisting ropes, steel reinforcement cage
Bottom level be welded with cross connection frame, clinometer is horizontally set on the bottom centre position of steel reinforcement cage；
The clinometer includes the sensor limit base of the horizontal bottom for being welded on steel reinforcement cage and is horizontally arranged at sensor
Obliquity sensor in limit base, the sensor limit base are groove type limit base, the groove port of the groove type limit base
It is directed away from the side of steel reinforcement cage；
Step 103, the data of obliquity sensor acquisition are by computer digital animation, and crane is by the computer control
System；
The inverted L-shaped support frame, crane, steel reinforcement cage, clinometer and the computer constitute borehole perpendicularity detection machine
Structure；
Step 2: setting obliquity sensor unit dropping distance: using computer installation crane velocity of rotation and
Unit fall time, the unit for obtaining steel cable rope produces length, as the unit dropping distance of steel reinforcement cage, while sensing for inclination angle
The unit dropping distance h of device, andWherein, H is the depth of drilling, and n is the decline number of obliquity sensor and n is not
Positive integer less than 3；
Step 3: the decline of obliquity sensor: computer controls crane work once, keeps steel reinforcement cage decline primary, then
Obliquity sensor decline is primary；
Step 4: obtaining drop data under obliquity sensor: after steel reinforcement cage is stablized, obliquity sensor acquisition drilling is when front lower
The inclination data that demotion is set, and the inclination data of the current down position of acquisition is transmitted to computer, the obliquity sensor
The inclination angle for acquiring current down position X-direction for MEMS single-shaft inclination angle sensor, MEMS single-shaft inclination angle sensor and currently decline
The inclination angle of position Y-direction；
Step 5: n times repeat step 3 and step 4, obliquity sensor obtain steel reinforcement cage under drillhole height direction respectively
Inclination data at n different height position of drop, and send data to computer；
Step 6: adjustment obliquity sensor position: computer controls crane reverse operation, increase steel reinforcement cage, and on
Rise height be
Step 7: the upper drop of obliquity sensor: velocity of rotation and unit rise time using computer installation crane,
The unit for obtaining steel cable rope recycles length, as the unit climb of steel reinforcement cage, while rising for the unit of obliquity sensor
Distance, the unit climb of obliquity sensor are equal to the unit dropping distance of obliquity sensor, and it is anti-that computer controls crane
It is primary to work, increase steel reinforcement cage primary, then obliquity sensor rises primary；
Step 8: obtaining obliquity sensor climb data: after steel reinforcement cage is stablized, in obliquity sensor acquisition drilling currently
The inclination data that raise-position is set, and the inclination data of the current lifting position of acquisition is transmitted to computer, MEMS single shaft inclination angle passes
Sensor acquires the inclination angle of current lifting position X-direction and the inclination angle of current lifting position Y-direction；
Step 9: n times repeat step 7 and step 8, obliquity sensor obtain steel reinforcement cage along drillhole height direction respectively
The inclination data at n different height position risen, and send data to computer；
2n is ranked up inclination data by the sequencing that computer is obtained according to measurement data, and according to formulaCalculate the offset distance X of i-th measurement data X-directioniWith the offset distance of i-th measurement data Y-direction
Yi, i is the number number and i=1,2 ..., 2n, h of obliquity sensor measurement dataiObliquity sensor when for i-th measurement data
Depth value, αiFor the inclination angle of obliquity sensor i-th measurement data X-direction, βiFor the obliquity sensor i-th measurement data side Y
To inclination angle；
Step 10: M times repeats step 3 to step 9, M group inclination data on the drillhole height direction is obtained, wherein M is
Positive integer not less than 3；
According to formulaCalculate the mean deviation distance x of i-th measurement data X-directioniIt is measured with i-th
The mean deviation distance y of data Y-directioni, wherein m numbers for step 10 cycle-index and m=1,2 ..., M,It is the m times
The offset distance of i-th measurement data X-direction, Y in circulation step teni mFor i-th measurement data Y in the m times circulation step ten
The offset distance in direction；
And mean deviation distance Curve figure in mean deviation distance Curve figure and Y-direction is drawn in X-direction respectively；
Step 11: establishing the BIM model and visualizing monitor borehole perpendicularity of drilling: passing through BIM modeling software Revit
The mode of add items parameter increases parameter attribute in project, i.e., the measurement data of different depth is expanded out in attribute list
The mean deviation distance of X-direction and the mean deviation distance of measurement data Y-direction, specify measurement data and parameter attribute in IFC
The membership credentials of file, computer is by the mean deviation distance x of the i-th measurement data X-direction obtained in step 10iWith i-th
The mean deviation distance y of secondary measurement data Y-directioniBatch write-in IFC data format file, thus to the IFC data format text
Part carry out based on IFC standard monitoring Card read/write operate, specify IFC data format file storing path, establish measurement data with
Drill associated BIM model, drilling form is shown in the form of 3-D graphic, three-dimensional visualization is observed not in BIM model
With deep drilling heeling condition.
The above-mentioned borehole perpendicularity automatic monitoring method based on BIM, it is characterised in that: groove type described in step 102
Limiting through hole is offered on the side wall of limit base, locking member passes through the limiting through hole and abuts with obliquity sensor, sensor limit
Multiple limit base solder joints are provided between position seat and the cross connection frame.
The above-mentioned borehole perpendicularity automatic monitoring method based on BIM, it is characterised in that: inverted L-shaped branch described in step 1
Data relay case is installed on the lateral wall of support, data relay circuit board and cable disk, institute are installed in data relay case
State the GPRS module for being integrated with microcontroller on data relay circuit board and connecting with the microcontroller, the rotation of cable disk
The output shaft of axis and motor is coaxially connected, and the microcontroller controls the motor, data relay case by motor drive module
On signal transmitting antenna is installed, signal transmitting antenna is connect with GPRS module, and one end of cable signal line is fixed on cable
Connect on disk and with the signal input part of the microcontroller, the other end of cable signal line by cable disk, steel cable rope and
Steel reinforcement cage is connect with obliquity sensor.
The above-mentioned borehole perpendicularity automatic monitoring method based on BIM, it is characterised in that: the elongation of the cable signal line
Rate is consistent with the extension speed of steel cable rope, and the retraction rate of the cable signal line is consistent with the retraction rate of steel cable rope.
The above-mentioned borehole perpendicularity automatic monitoring method based on BIM, it is characterised in that: the value range of the h is
1.5m~2.5m.
The above-mentioned borehole perpendicularity automatic monitoring method based on BIM, it is characterised in that: the obliquity sensor passes through difference
Amplifying circuit is divided to connect with the signal input part of the microcontroller, the differential amplifier circuit includes difference amplifier AD620,
The obliquity sensor is MEMS high-precise uniaxial obliquity sensor SCA103T-D04.
Compared with the prior art, the present invention has the following advantages:
1, the present invention passes through the gradient using steel reinforcement cage reciprocating movement measurement drilling different height in drilling, steel reinforcement cage
From great, sink down into the internal procedure of hole, do not influenced by water level in drilling, clinometer is mounted on steel reinforcement cage portion, and then is not bored
The influence of hole ambient enviroment, the outer diameter of steel reinforcement cage and the internal diameter of drilling are close, reduce swing of the steel reinforcement cage in drilling, and reinforcing bar
Cage scene materials are convenient, clinometer visitor recycling, convenient for promoting the use of.
2, the unit dropping distance of obliquity sensor is arranged according to the depth of drilling by the present invention, guarantees obliquity sensor decline
Integer time is to bottom hole, if unit dropping distance value is excessive, measurement result will be unable to indicate inclining for stake holes entirety each position in detail
Ramp-like state, if unit dropping distance value is too small, measurement result will be excessively many and diverse, and the workload of measurement process increases considerably,
It is not easy to field application, unit dropping distance value range is 1.5m~2.5m, and using effect is good.
3, the present invention is novel in design rationally, and benefit is computerizedd control crane work, while receiving obliquity sensor acquisition
Data, using gradient obtain drilling different height X-direction offset distance and Y-direction offset distance, draw X-direction on
Mean deviation distance Curve figure on mean deviation distance Curve figure and Y-direction, establishes the BIM model of drilling and visualizing monitor bores
Hole perpendicularity makes up the limitation of traditional measurement, keeps technical staff very clear to the heeling condition of stake holes, is having for progress adjustment
Power tool, convenient for promoting the use of.
4, the method for the present invention step is simple, first obtains drop data under obliquity sensor, when to drop to bottom hole backward for steel reinforcement cage
On when turning back, by adjusting obliquity sensor position, the height for increase steel reinforcement cageThat is the interposition of most latter two measuring point
Set, then computer control crane reverse operation, and then realize steel reinforcement cage rising, guarantee obliquity sensor decline measuring point and
Rise measuring point not at same position, expand data sampling point, extend the sampling time, improves reliability；Computer is according to measurement
2n is ranked up inclination data by the sequencing of data acquisition, by the transformational relation of angle and offset, calculates measurement
The offset distance of data X-direction and the offset distance of measurement data Y-direction obtain measurement data X by repeatedly measuring to be averaging
The mean deviation distance in direction and the mean deviation distance of measurement data Y-direction, reduce the interference of random measurement bring, and characterization is bored
Hole perpendicularity is reliable.
In conclusion the present invention is novel in design reasonable, the different height of measurement drilling are moved back and forth in drilling using steel reinforcement cage
The gradient of degree is obtained the offset distance of drilling different height X-direction and the offset distance of Y-direction using gradient, draws the side X
Mean deviation distance Curve figure on upward mean deviation distance Curve figure and Y-direction, establishes the BIM model of drilling and visualizes prison
Borehole perpendicularity is surveyed, the limitation of traditional measurement is made up, keeps technical staff very clear to the heeling condition of stake holes, be progress adjustment
Powerful, convenient for promote the use of.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the usage state diagram of borehole perpendicularity testing agency of the present invention.
Fig. 2 is the connection schematic diagram of steel reinforcement cage of the present invention, hoisting rope and steel cable rope.
Fig. 3 is the bottom view of steel reinforcement cage of the present invention.
Fig. 4 is the installation relation schematic diagram of clinometer of the present invention and steel reinforcement cage.
Fig. 5 is method flow block diagram of the invention.
Description of symbols:
1-data relay case；2-cable disks；3-signal transmitting antennas；
4-inverted L-shaped support frames；5-cable signal lines；6-steel cable ropes；
7-cranes；8-steel reinforcement cages；9-clinometers；
10-obliquity sensors；11-sensor limit bases；12-hoisting ropes；
13-locking members；14-limit base solder joints；15-construction grounds；
16-drillings.
Specific embodiment
As shown in Figures 1 to 5, the present invention is based on the borehole perpendicularity automatic monitoring methods of BIM, comprising the following steps:
Step 1: building borehole perpendicularity testing agency, process are as follows:
Step 101,15 side of construction ground at 16 top of drilling install inverted L-shaped support frame 4, the water of inverted L-shaped support frame 4
One end of vertical section of the flat section far from inverted L-shaped support frame 4 is located on the central axes of drilling 16, on the medial surface of inverted L-shaped support frame 4
Pulley blocks are installed, crane 7 is installed in construction ground 15, crane 7 is located at the inside of inverted L-shaped support frame 4；
It is bored it should be noted that one end of vertical section of the horizontal segment of inverted L-shaped support frame 4 far from inverted L-shaped support frame 4 is located at
Purpose on the central axes in hole 16 is to guarantee the installation of pulley blocks, realizes that steel cable rope 6 is located at the central axes of drilling 16, and then realize
Steel reinforcement cage 8 is located at 16 centers of drilling.
The cylindrical steel reinforcement cage 8 of step 102, binding, the outer diameter of steel reinforcement cage 8 are less than the internal diameter of drilling 16, steel reinforcement cage 8 it is outer
The difference of diameter and the internal diameter of drilling 16 is 1cm~5cm, and the top of steel reinforcement cage 8 is uniformly arranged in one end of multiple hoisting ropes 12, more
The other end of a hoisting rope 12 intersects connection, and the steel cable rope 6 that crane 7 stretches out passes through the intersection of pulley blocks and multiple hoisting ropes 12
End connection, the bottom level of steel reinforcement cage 8 are welded with cross connection frame, and clinometer 9 is horizontally set on the bottom centre position of steel reinforcement cage 8
It sets；
In the present embodiment, limiting through hole is offered on the side wall of groove type limit base described in step 102, locking member 13 is worn
It crosses the limiting through hole to abut with obliquity sensor 10, be provided between sensor limit base 11 and the cross connection frame multiple
Limit base solder joint 14.
In actual use, locking member 13 passes through the limiting through hole and abuts with obliquity sensor 10, good fixing effect, and can
Disassembly is reused high-efficient.
The clinometer 9 includes the sensor limit base 11 for the bottom that level is welded on steel reinforcement cage 8 and is horizontally arranged at biography
Obliquity sensor 10 in sensor limit base 11, the sensor limit base 11 are groove type limit base, the groove type limit
The groove port of seat is directed away from the side of steel reinforcement cage 8；
It should be noted that the purpose of setting groove type limit base is easy for being horizontally mounted for obliquity sensor 10, inclination angle
Sensor 10 should be installed on 8 bottom center position of steel reinforcement cage, avoid there are angle, the initial water graduation of obliquity sensor 10 is handled
The accuracy of later period measurement work will be had an important influence on.
The data that step 103, obliquity sensor 10 acquire are by computer digital animation, and crane 7 is by the computer
Control；
The inverted L-shaped support frame 4, crane 7, steel reinforcement cage 8, clinometer 9 and the computer constitute borehole perpendicularity inspection
Survey mechanism；
It should be noted that by moving back and forth inclining for measurement 16 different heights of drilling in drilling 16 using steel reinforcement cage 8
Gradient, steel reinforcement cage 8 are sunk down into the internal procedure of hole from great, are not influenced by water level in drilling 16, clinometer 9 is mounted on reinforcing bar
8, cage, and then do not influenced by 16 ambient enviroments of drilling, the outer diameter of steel reinforcement cage 8 and the internal diameter of drilling 16 are close, reduce steel reinforcement cage
8 swing in drilling 16, and 8 scene materials of steel reinforcement cage are convenient, 9 visitor's recycling of clinometer, convenient for promoting the use of.
In actual use, according to the unit dropping distance of the depth of drilling 16 setting obliquity sensor 10, guarantee that inclination angle passes
Sensor 10 declines integer time to bottom hole, if unit dropping distance value is excessive, measurement result will be unable to indicate stake holes entirety in detail
The heeling condition of each position, if unit dropping distance value is too small, measurement result will be excessively many and diverse, the heavy workload of measurement process
Amplitude increases, and is not easy to field application, and unit dropping distance value range is 1.5m~2.5m, and using effect is good.
Step 2: setting obliquity sensor unit dropping distance: using computer installation crane 7 velocity of rotation and
Unit fall time, the unit for obtaining steel cable rope 6 produces length, as the unit dropping distance of steel reinforcement cage, while passing for inclination angle
The unit dropping distance h of sensor, andWherein, H be drill 16 depth, n be obliquity sensor 10 decline number and
N is the positive integer not less than 3；
Step 3: the decline of obliquity sensor: computer control crane 7 works once, declines steel reinforcement cage 8 once,
Then obliquity sensor 10 declines once；
Step 4: obtaining drop data under obliquity sensor: after steel reinforcement cage 8 is stablized, the acquisition of obliquity sensor 10 drilling 16
The inclination data of current down position, and the inclination data of the current down position of acquisition is transmitted to computer, the inclination angle
Sensor 10 be MEMS single-shaft inclination angle sensor, MEMS single-shaft inclination angle sensor acquire current down position X-direction inclination angle and
The inclination angle of current down position Y-direction；
Step 5: n times repeat step 3 and step 4, obliquity sensor 10 obtains steel reinforcement cage 8 along 16 height of drilling respectively
Inclination data at n different height position of direction decline, and send data to computer；
Step 6: adjustment obliquity sensor position: computer controls 7 reverse operation of crane, increase steel reinforcement cage 8, and
The height of rising is
Step 7: the upper drop of obliquity sensor: when being risen using the velocity of rotation and unit of computer installation crane 7
Between, the unit for obtaining steel cable rope 6 recycles length, as the unit climb of steel reinforcement cage, while being the unit of obliquity sensor
Climb, the unit climb of obliquity sensor are equal to the unit dropping distance of obliquity sensor, and computer controls lifting
7 reverse operation of machine is primary, increase once steel reinforcement cage 8, then obliquity sensor 10 rises once；
Step 8: obtaining obliquity sensor climb data: after steel reinforcement cage 8 is stablized, the acquisition of obliquity sensor 10 drilling 16
The inclination data of current lifting position, and the inclination data of the current lifting position of acquisition is transmitted to computer, MEMS is uniaxial
Obliquity sensor acquires the inclination angle of current lifting position X-direction and the inclination angle of current lifting position Y-direction；
It should be noted that first obtaining the lower drop data of obliquity sensor 10, turn back upwards after steel reinforcement cage 8 drops to bottom hole
When, by adjusting 10 position of obliquity sensor, the height for increase steel reinforcement cage 8That is the middle position of most latter two measuring point,
Then computer controls 7 reverse operation of crane, and then realizes the rising of steel reinforcement cage 8, guarantees that obliquity sensor 10 declines measuring point
With rising measuring point not at same position, expands data sampling point, extend the sampling time, improve reliability；Computer is according to survey
The sequencing for measuring data acquisition, 2n is ranked up inclination data, by the transformational relation of angle and offset, calculates and surveys
The offset distance of data X-direction and the offset distance of measurement data Y-direction are measured, obtains measurement data by repeatedly measuring to be averaging
The mean deviation distance of X-direction and the mean deviation distance of measurement data Y-direction reduce the interference of random measurement bring, characterization
Borehole perpendicularity is reliable.
Step 9: n times repeat step 7 and step 8, obliquity sensor 10 obtains steel reinforcement cage 8 along 16 height of drilling respectively
The inclination data at n different height position that direction rises, and send data to computer；
2n is ranked up inclination data by the sequencing that computer is obtained according to measurement data, and according to formulaCalculate the offset distance X of i-th measurement data X-directioniWith the offset distance of i-th measurement data Y-direction
Yi, i is the number number and i=1,2 ..., 2n, h of 10 measurement data of obliquity sensoriInclination angle senses when for i-th measurement data
The depth value of device 10, αiFor the inclination angle of 10 i-th measurement data X-direction of obliquity sensor, βiFor the survey of 10 i-th of obliquity sensor
Measure the inclination angle of data Y-direction；
Step 10: M times repeats step 3 to step 9, M group inclination data in 16 short transverse of drilling is obtained, wherein M
For the positive integer not less than 3；
According to formulaCalculate the mean deviation distance x of i-th measurement data X-directioniIt is measured with i-th
The mean deviation distance y of data Y-directioni, wherein m numbers for step 10 cycle-index and m=1,2 ..., M,It is the m times
The offset distance of i-th measurement data X-direction, Y in circulation step teni mFor i-th measurement data Y in the m times circulation step ten
The offset distance in direction；
And mean deviation distance Curve figure in mean deviation distance Curve figure and Y-direction is drawn in X-direction respectively；
Step 11: establishing the BIM model of drilling 16 and visualizing monitor 16 verticalities of drilling: passing through BIM modeling software
The mode of add items parameter increases parameter attribute in Revit project, i.e., the survey of different depth is expanded out in attribute list
The mean deviation distance of data X-direction and the mean deviation distance of measurement data Y-direction are measured, measurement data and parameter attribute are specified
In the membership credentials of IFC file, computer is by the mean deviation distance x of the i-th measurement data X-direction obtained in step 10i
With the mean deviation distance y of i-th measurement data Y-directioniBatch write-in IFC data format file, thus to the IFC data lattice
Formula file operated based on IFC standard monitoring Card read/write, and IFC data format file storing path is specified, and establishes measurement number
According to drilling 16 associated BIM models, in the form of 3-D graphic show drilling 16 forms, the three-dimensional visible in BIM model
Change observation different depth 16 heeling conditions of drilling.
It should be noted that benefit is computerizedd control, crane works, while receiving the data of obliquity sensor acquisition, benefit
The offset distance of drilling different height X-direction and the offset distance of Y-direction are obtained with gradient, draw mean deviation in X-direction
Mean deviation distance Curve figure on distance Curve figure and Y-direction, establishes the BIM model of drilling and visualizing monitor drilling is vertical
Degree, makes up the limitation of traditional measurement, keeps technical staff very clear to the heeling condition of stake holes, be the strong work of progress adjustment
Tool.
In the present embodiment, data relay case 1 is installed on the lateral wall of inverted L-shaped support frame described in step 14, in data
Data relay circuit board and cable disk 2 are installed in turnning box 1, be integrated on the data relay circuit board microcontroller and with
The GPRS module of the microcontroller connection, the rotary shaft of cable disk 2 and the output shaft of motor are coaxially connected, the microcontroller
Device controls the motor by motor drive module, and signal transmitting antenna 3, signal transmitting antenna 3 are equipped on data relay case 1
It is connect with GPRS module, one end of cable signal line 5 is fixed on the signal input part on cable disk 2 and with the microcontroller
The other end of connection, cable signal line 5 is connect by cable disk 2, steel cable rope 6 and steel reinforcement cage 8 with obliquity sensor 10.
In actual use, transmitted using the data that 5 wired pairs of obliquity sensors of cable signal line 10 acquire, this implementation
In example, the extension speed of the cable signal line 5 is consistent with the extension speed of steel cable rope 6, the retraction speed of the cable signal line 5
Rate is consistent with the retraction rate of steel cable rope 6, avoids cable signal line 5 asynchronous with steel cable rope 6, and cable signal line 5 is caused to be broken,
And then data transmission fails.
In the present embodiment, the value range of the h is 1.5m~2.5m.
In the present embodiment, the obliquity sensor 10 passes through the signal input part of differential amplifier circuit and the microcontroller
Connection, the differential amplifier circuit includes difference amplifier AD620, and the obliquity sensor 10 is MEMS high-precise uniaxial inclination angle
Sensor SCA103T-D04.
The present invention utilizes in use, using steel reinforcement cage in the interior gradient for moving back and forth measurement drilling different height of drilling
Gradient obtain drilling different height X-direction offset distance and Y-direction offset distance, draw X-direction on mean deviation away from
From mean deviation distance Curve figure in curve graph and Y-direction, the BIM model and visualizing monitor borehole perpendicularity of drilling are established,
The limitation for making up traditional measurement keeps technical staff very clear to the heeling condition of stake holes, is the powerful of progress adjustment.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (6)
1. the borehole perpendicularity automatic monitoring method based on BIM, it is characterised in that method includes the following steps:
Step 1: building borehole perpendicularity testing agency, process are as follows:
Step 101, construction ground (15) side at the top of drilling (16) install inverted L-shaped support frame (4), inverted L-shaped support frame (4)
Vertical section of the horizontal segment far from inverted L-shaped support frame (4) one end be located at drilling (16) central axes on, inverted L-shaped support frame (4)
Medial surface on pulley blocks are installed, be equipped in construction ground (15) crane (7), crane (7) is located at inverted L-shaped support frame
(4) inside；
The cylindrical steel reinforcement cage (8) of step 102, binding, the outer diameter of steel reinforcement cage (8) are less than the internal diameter of drilling (16), steel reinforcement cage (8)
Outer diameter and drilling (16) internal diameter difference be 1cm~5cm, steel reinforcement cage is uniformly arranged in one end of multiple hoisting ropes (12)
(8) top, the other ends of multiple hoisting ropes (12) intersect connection, the steel cable rope (6) that crane (7) stretches out by pulley blocks with
The intersection end of multiple hoisting ropes (12) connects, and the bottom level of steel reinforcement cage (8) is welded with cross connection frame, and clinometer (9) is horizontal
Bottom centre position in steel reinforcement cage (8) is set；
The clinometer (9) includes the sensor limit base (11) for the bottom that level is welded on steel reinforcement cage (8) and is horizontally arranged at
Obliquity sensor (10) in sensor limit base (11), the sensor limit base (11) is groove type limit base, described recessed
The groove port of slot type limit base is directed away from the side of steel reinforcement cage (8)；
Step 103, the data of obliquity sensor (10) acquisition are by computer digital animation, and crane (7) is by the computer
Control；
It is vertical that the inverted L-shaped support frame (4), crane (7), steel reinforcement cage (8), clinometer (9) and the computer constitute drilling
Spend testing agency；
Step 2: the unit dropping distance of setting obliquity sensor: utilizing the velocity of rotation and list of computer installation crane (7)
Position fall time, the unit for obtaining steel cable rope (6) produces length, as the unit dropping distance of steel reinforcement cage, while passing for inclination angle
The unit dropping distance h of sensor, andWherein, H is the depth of drilling (16), and n is the decline time of obliquity sensor (10)
Number and n are the positive integer not less than 3；
Step 3: the decline of obliquity sensor: computer controls crane (7) work once, keeps steel reinforcement cage (8) decline primary,
Then obliquity sensor (10) decline is primary；
Step 4: obtaining drop data under obliquity sensor: after steel reinforcement cage (8) stablize, obliquity sensor (10) acquisition drilling
(16) inclination data of current down position, and the inclination data of the current down position of acquisition is transmitted to computer, it is described
Obliquity sensor (10) is MEMS single-shaft inclination angle sensor, and MEMS single-shaft inclination angle sensor acquires current down position X-direction
The inclination angle at inclination angle and current down position Y-direction；
Step 5: n times repeat step 3 and step 4, it is high along drilling (16) that obliquity sensor (10) obtains steel reinforcement cage (8) respectively
The inclination data at n different height position of direction decline is spent, and sends data to computer；
Step 6: adjustment obliquity sensor position: computer controls crane (7) reverse operation, increase steel reinforcement cage (8), and
The height of rising is
Step 7: the upper drop of obliquity sensor: velocity of rotation and unit rise time using computer installation crane (7),
The unit for obtaining steel cable rope (6) recycles length, as the unit climb of steel reinforcement cage, while in the unit of obliquity sensor
Lift is from the unit climb of obliquity sensor is equal to the unit dropping distance of obliquity sensor, and computer controls crane
(7) reverse operation is primary, increase steel reinforcement cage (8) primary, then obliquity sensor (10) rises primary；
Step 8: obtaining obliquity sensor climb data: after steel reinforcement cage (8) stablize, obliquity sensor (10) acquisition drilling
(16) inclination data of current lifting position, and the inclination data of the current lifting position of acquisition is transmitted to computer, MEMS
Single-shaft inclination angle sensor acquires the inclination angle of current lifting position X-direction and the inclination angle of current lifting position Y-direction；
Step 9: n times repeat step 7 and step 8, it is high along drilling (16) that obliquity sensor (10) obtains steel reinforcement cage (8) respectively
The inclination data at the n different height position that direction rises is spent, and sends data to computer；
2n is ranked up inclination data by the sequencing that computer is obtained according to measurement data, and according to formulaCalculate the offset distance X of i-th measurement data X-directioniWith the offset distance of i-th measurement data Y-direction
Yi, i is the number number and i=1,2 ..., 2n, h of obliquity sensor (10) measurement dataiInclination angle passes when for i-th measurement data
The depth value of sensor (10), αiFor the inclination angle of obliquity sensor (10) i-th measurement data X-direction, βiFor obliquity sensor (10)
The inclination angle of i-th measurement data Y-direction；
Step 10: M times repeats step 3 to step 9, M group inclination data in drilling (16) short transverse is obtained, wherein M is
Positive integer not less than 3；
According to formulaCalculate the mean deviation distance x of i-th measurement data X-directioniWith i-th measurement data Y
The mean deviation distance y in directioni, wherein m numbers for step 10 cycle-index and m=1,2 ..., M,It is walked for the m times circulation
The offset distance of i-th measurement data X-direction, Y in rapid teni mFor i-th measurement data Y-direction in the m times circulation step ten
Offset distance；
And mean deviation distance Curve figure in mean deviation distance Curve figure and Y-direction is drawn in X-direction respectively；
Step 11: establishing the BIM model and visualizing monitor borehole perpendicularity of drilling: passing through BIM modeling software Revit project
The mode of middle add items parameter increases parameter attribute, i.e., expands out the measurement data side X of different depth in attribute list
To mean deviation distance and measurement data Y-direction mean deviation distance, specify measurement data and parameter attribute in IFC file
Membership credentials, computer is by the mean deviation distance x of the i-th measurement data X-direction obtained in step 10iIt is surveyed with i-th
Measure the mean deviation distance y of data Y-directioniBatch write-in IFC data format file, thus to the IFC data format file into
Row is operated based on IFC standard monitoring Card read/write, specifies IFC data format file storing path, establishes measurement data and drilling
Associated BIM model shows drilling form in the form of 3-D graphic, and three-dimensional visualization observes different depths in BIM model
Spend bore inclining state.
2. the borehole perpendicularity automatic monitoring method described in accordance with the claim 1 based on BIM, it is characterised in that: in step 102
Limiting through hole is offered on the side wall of the groove type limit base, locking member (13) passes through the limiting through hole and obliquity sensor
(10) it abuts, multiple limit base solder joints (14) is provided between sensor limit base (11) and the cross connection frame.
3. the borehole perpendicularity automatic monitoring method described in accordance with the claim 1 based on BIM, it is characterised in that: in step 1
It is equipped with data relay case (1) on the lateral wall of the inverted L-shaped support frame (4), data relay is installed in data relay case (1)
Circuit board and cable disk (2) are integrated with microcontroller on the data relay circuit board and connect with the microcontroller
GPRS module, the rotary shaft of cable disk (2) and the output shaft of motor are coaxially connected, and the microcontroller passes through motor driven mould
Block controls the motor, is equipped with signal transmitting antenna (3) on data relay case (1), signal transmitting antenna (3) and GPRS module
Connection, one end of cable signal line (5) are fixed on cable disk (2) and connect with the signal input part of the microcontroller,
The other end of cable signal line (5) is connected by cable disk (2), steel cable rope (6) and steel reinforcement cage (8) and obliquity sensor (10)
It connects.
4. the borehole perpendicularity automatic monitoring method described in accordance with the claim 3 based on BIM, it is characterised in that: the cable
The extension speed of signal wire (5) is consistent with the extension speed of steel cable rope (6), the retraction rate and steel of the cable signal line (5)
The retraction rate of rope rope (6) is consistent.
5. the borehole perpendicularity automatic monitoring method described in accordance with the claim 1 based on BIM, it is characterised in that: the h's takes
Value range is 1.5m~2.5m.
6. the borehole perpendicularity automatic monitoring method described in accordance with the claim 3 based on BIM, it is characterised in that: the inclination angle
Sensor (10) is connect by differential amplifier circuit with the signal input part of the microcontroller, and the differential amplifier circuit includes
Difference amplifier AD620, the obliquity sensor (10) are MEMS high-precise uniaxial obliquity sensor SCA103T-D04.
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