CN105241421B - A kind of pile tube inclination measurement method - Google Patents
A kind of pile tube inclination measurement method Download PDFInfo
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- CN105241421B CN105241421B CN201510691086.1A CN201510691086A CN105241421B CN 105241421 B CN105241421 B CN 105241421B CN 201510691086 A CN201510691086 A CN 201510691086A CN 105241421 B CN105241421 B CN 105241421B
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- pile tube
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- pile
- dial
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
- G01C9/06—Electric or photoelectric indication or reading means
- G01C2009/066—Electric or photoelectric indication or reading means optical
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of pile tube inclination measurement method, comprise the following steps：Installation is provided with generating laser from positive instrument from positive instrument at the center of disk, and light that generating laser sends can be kept at any time vertically upward from positive instrument；Disk is trimmed, makes disk outside dimension and the reserved centre bore internal diameter size of pile tube onesize；Disk is engaged and installed in the bottom of pile tube, ensures that disk plane is parallel with pile tube top plan；Shoe is installed in pile tube bottom, protection disk is without damage, and pile tube is squeezed into soil layer；After pile tube squeezes into soil layer, a dial is placed on the top of pile tube, laser transmitter projects position is read, to calculate pile tube gradient.Instant invention overcomes limitation of traditional inclination measurement device in the case of pile tube inwall is uneven, and disk is set by the reserved central hole in pile tube, and can be accurately positioned the position of generating laser, improves the degree of accuracy of detection.
Description
Technical field
The present invention relates to Geotechnical Engineering foundation testing field, more particularly to a kind of pipe for being used to detect completion of having constructed
The method of the gradient of stake, worked suitable for prefabricated tubular pile delivery receiving acceptance, belong to the technical field of building construction measurement.
Background technology
As the rise of the prefabricated industrialization in China is with flourishing, the situation of prefabricated components construction is more and more more, and pre-
When component processed such as prefabricated tubular pile is constructed, due to ground survey the inaccuracy of data, place out-of-flatness, piling mechanical precision it is relatively low,
Layer can cause prefabricated tubular pile different degrees of inclination occur during soil layer is pressed into containing reasons such as larger hard cobbles.
If the gradient of pile tube is excessive, the bearing capacity of pile foundation can be had a strong impact on, it is impossible to the earth-retaining effect of fender post is effectively played, and it is right
The assembled work of high accuracy of the follow-up prefabricated components of foundation ditch brings difficulty, restricts the construction speed of foundation ditch.
China Patent Publication No. CN 102425192A disclose a kind of pile foundation inclination real-time system for monitoring and pre-warning, this method
It is that deviational survey sensor and gyro sensor are arranged in pile foundation, and pile foundation is driven underground simultaneously, and will be sensed by wire
The signal output of device, reach the real-time monitoring to pile foundation inclination degree.
Above-mentioned technical testing is costly, and during prefabricated pile is squeezed into, device wire can be damaged, or
It is more difficult during being installed in the bored concrete pile later stage；The defects of maximum is exactly rough or uneven in pile tube inwall
When, it is impossible to ensure the degree of accuracy of test.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided one kind can conveniently be tested and constructed
The method of the gradient of the pile tube of completion.
To achieve the above object, the present invention uses following technical proposals：
A kind of pile tube inclination measurement method, comprises the following steps：
Step 1：Installation is provided with generating laser from positive instrument, can protected at any time from positive instrument from positive instrument at the center of disk
Hold light that generating laser is sent vertically upward, while determined from the center of positive instrument at the disk back side；
Step 2：Disk is trimmed, makes the outside dimension of disk and the reserved centre bore internal diameter size of pile tube onesize；
Step 3：Disk is engaged and installed in the bottom of the reserved centre bore of pile tube, ensures disk plane and pile tube top plan
It is parallel；
Step 4：The a plurality of straight line by from positive instrument center is done in pile tube base plane, by a plurality of straight line and pile tube bottom
The intersection point of outer wall, which makes marks, to be determined on disk from the center of positive instrument, and pair from positive instrument center is found out on pile tube top with this
Answer position；
Step 5：Shoe is installed in pile tube bottom, protection disk is without damage, and pile tube is squeezed into soil layer；
Step 6：After pile tube squeezes into soil layer, place a dial on the top of pile tube, the center of dial with step 4
Pile tube top is found out corresponding from positive instrument center correspondence position, is read laser transmitter projects position, is inclined with calculating pile tube
Gradient.
The material of disk is wooden or metal material in the step 1, can guarantee that and is not damaged in the engineering of tube pile construction
It is bad.
Include interior small ball from positive instrument in the step 2, the generating laser is located at the bottom of interior small ball；In described
For roundlet ball cover in transparent outer big ball, the interior small ball is uneven plastid, and interior small ball bottom is provided with generating laser
Quality is maximum；The outer big ball is fixed with disk.
Transparent fluid is wrapped with outside the interior small ball.Realize that interior small ball is freely rotated to protect in big ball outside with this
The underface of small ball, tilts regardless of disk, can ensure that laser is launched vertically upwards including demonstrate,proving generating laser forever
Laser.
Liquid is provided with the outer big ball to float wherein for interior small ball.Preferably, small ball begins in guarantee
It is located at the state of its bottom in generating laser eventually.
The liquid is transparent fluid.
The interior small ball is made up of transparent material, ensures that the light of generating laser is not blocked.
Further, the interior small ball is provided with central through hole, and opening direction and the generating laser of the central through hole are sent out
The direction for penetrating laser is identical.Interior small ball is avoided to stop the Laser emission of generating laser.
The step 3 concretely comprises the following steps：
Disk is fixed on to the inside of pile tube by colloid, the outer rim of disk is in contact with pile tube inwall, and make circle
Disk plane and pipe pile end portion plane keeping parallelism.
The step 4 concretely comprises the following steps：
The a plurality of first straight line by from positive instrument center is done in pile tube base plane using multiple rulers, by a plurality of first
First intersection point of straight line and the outer wall of pile tube bottom makes marks, then the first intersection point of a plurality of first straight line is from the center of positive instrument
Position；Then second straight line vertically is done to pile tube top exterior walls to mark, second straight line has second with pile tube top exterior walls and handed over
Point, the second intersection point are sequentially connected to form polygon two-by-two, and the intersection point of diagonals of polygon is from positive instrument center on pile tube top
Correspondence position.
The step 6 concretely comprises the following steps：
After pile tube squeezes into soil layer, a dial is placed on the top of pile tube, center and the pile tube top of dial are found out
Overlapped from the correspondence position at positive instrument center, read position of the laser projection of generating laser on dial, measure laser
Distance s of the launching position away from dial central point, the ratio between length l of distance s and pile tube is obtained into pile tube gradient.
Preferably, tensioning member is fixed with the disk, the free end of tensioning member extends to pile tube top；Calculating outlet pipe
After stake gradient, disk is taken out by tensioning member, to reuse.
The tensioning member is steel wire, and the free end of steel wire is provided with bending part, facilitates the later stage to pull disk.
The dial is made up of transparent material, multi-turn black graduation mark is carried on dial, in laser projection to scale
When on disk, the position of laser can be read.
Beneficial effects of the present invention are：
Instant invention overcomes limitation of traditional inclination measurement device in the case of pile tube inwall is uneven, by the pre- of pile tube
Stay central hole that disk is set, and the position of generating laser can be accurately positioned, improve the degree of accuracy of detection.
The present invention's can ensure that the laser vertical that generating laser is sent is upward from positive instrument, according to laser projection to scale
Position on disk, you can simple and easy to calculate the gradient of pile tube.
A steel wire is fixed in the present invention on disk, after the completion of pile tube gradient is detected, is removed disk by steel wire
Take out, to reuse, low cost is easy to operate.
Brief description of the drawings
Fig. 1 is that pile tube of the present invention arranges schematic diagram with apparatus for measuring degree of inclination；
Fig. 2 is disk and the side view from positive instrument；
Fig. 3 is disk and the floor map from positive instrument；
Fig. 4 is the schematic diagram of dial；
In figure, 1 is pile tube, and 2 be that pile tube reserves centre bore, and 3 be shoe, and 4 be disk, and 5 be outer big ball, and 6 be interior roundlet
Ball, 7 be dial, and 8 be generating laser.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in figure 1, pile tube inclination measurement method, in the lowermost end of pile tube 1, the fixed disk carried from positive instrument of installation
4, then the shoe 3 of pile tube 1 is spliced with pile tube 1, pile tube 1 is squeezed into stratum and completed after constructing, dial 7 is placed on pile tube 1
Top, by the center superposition of the center of dial 7 and pile tube 1, read the position that generating laser 8 projects, thus computer tube
The gradient of stake.
As shown in Fig. 2-Fig. 3, it is made up of from positive instrument three parts, innermost is small ball 6 in one, interior small ball 6
Bottom has a generating laser 8, and interior small ball 6 is uneven plastid, and the interior small bottom of ball 6 is provided with matter at generating laser 8
Amount is maximum, and the outside of small ball 6 has transparent fluid to wrap up inside, and freely the rotating to ensure laser hair of the inside bead is realized with this
Emitter in the underface of spheroid, tilts regardless of disk forever, can ensure that laser launches laser, interior small ball vertically upwards
6 are placed in transparent outer big ball 5, and outer big ball 5 is fixed on disk 4.Due to the irregularities of pile tube inwall, installing
It cannot be guaranteed the center of outer big ball just in the center of pile tube when disk, it is therefore necessary to make outer big ball 5
Center can determine (outer big ball 5 can be made by disk 4 to be divided equally, the center of outer big ball 5 can at the back side of disk 4
Determined at the back side of disk 4).
As the presently preferred embodiments, floated wherein for interior small ball 6 provided with transparent fluid in outer big ball 5.Roundlet in guarantee
Ball 6 is located at the state of its bottom in generating laser all the time.
Interior small ball 6 is made up of transparent material, ensures that the light of generating laser is not blocked.It is interior small in preferred embodiment
Ball 6 is provided with central through hole, and the opening direction of central through hole is identical with the direction of laser transmitter projects laser.Avoid interior roundlet
Ball stops the Laser emission of generating laser.
Dial 7 is the transparent material with black graduation mark, when on laser projection to dial 7, can read laser
Position.
Pile tube inclination measurement method, comprises the following steps：
Step 1：Installed in the middle of the disk 4 more larger than the internal diameter size of pile tube 1 from positive instrument, and in disk 4
The back side can determine that from the center of positive instrument.
Step 2：The internal diameter of throughput test tube stake 1, the outside dimension of disk 4 is trimmed to generally equalized with the internal diameter 2 of pile tube 1.
Step 3：Disk 4 is fixed on to the bottom of the inside of pile tube 1 by colloid, makes the outer rim and pile tube 1 of disk 4 as far as possible
Inwall is in contact, and makes the plane of disk 4 and the end plane keeping parallelism of pile tube 1.
Step 4：Pass through the friendship from the center of positive instrument, then two rulers in two mutually orthogonal directions using two rulers
Point is that two rulers and the outer wall of the bottom of pile tube 1 have 4 intersection points, by the outer wall of the bottom of pile tube 1 from the center of positive instrument
Intersection point make marks and determine on disk 4 from the center of positive instrument, do straight line, straight line and pipe to the top of pile tube 1 with this 4 intersection points
There is intersection point in 1 top exterior walls of stake, 4 intersection points in the top exterior walls of pile tube 1 form quadrangle, by the point on the diagonal of quadrangle
Connection, finds out on the top of pile tube 1 on disk 4 that (cornerwise intersection point is from positive instrument from the correspondence position at positive instrument center with this
The correspondence position at center).
Step 5：Shoe 3 is installed in stake bottom, to protect disk 4 without damage, disk 4 and pile tube 1 are squeezed into soil simultaneously
In layer.
Step 6：After pile tube 1 squeezes into soil layer, a dial 7, the center of dial 7 and pipe are placed at the top of pile tube 1
What stake top end determined overlaps from the position at positive instrument center, reads the launching position of laser on dial 7, and with to determine from positive instrument
Center carry out horizontal range calculating, by horizontal range by determining pile tube gradient with the length ratio of pile tube 1.
In step 1, the material of disk 4 can be it is wooden can also be other metal materials, can guarantee that in tube pile construction
It is not damaged by engineering.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (9)
1. a kind of pile tube inclination measurement method, it is characterized in that, comprise the following steps：
Step 1：Installation is provided with generating laser from positive instrument, can keep sharp at any time from positive instrument from positive instrument at the center of disk
The light that optical transmitting set is sent vertically upward, while determines from the center of positive instrument at the disk back side；
Step 2：Disk is trimmed, makes the outside dimension of disk and the reserved centre bore internal diameter size of pile tube onesize；
Step 3：Disk is engaged and installed in the bottom of the reserved centre bore of pile tube, ensures that disk plane is put down with pile tube top plan
OK；
Step 4：The a plurality of first straight line by from positive instrument center is done in pile tube base plane, by a plurality of first straight line and pile tube
First intersection point of bottom outer wall is made marks, and the correspondence position from positive instrument center is found out on pile tube top with this；
Step 5：Shoe is installed in pile tube bottom, protection disk is without damage, and pile tube is squeezed into soil layer；
Step 6：After pile tube squeezes into soil layer, in pile tube in one dial of the top of pile tube placement, the center of dial and step 4
Top is found out corresponding from positive instrument center correspondence position, laser transmitter projects position is read, to calculate pile tube gradient；
Include interior small ball from positive instrument in the step 2, the generating laser is located at the bottom of interior small ball；The interior roundlet
For ball cover in transparent outer big ball, the interior small ball is uneven plastid, and interior small ball bottom is provided with quality at generating laser
It is maximum；The outer big ball is fixed with disk；Dial is made up of transparent material in the step 6, and multi-turn is carried on dial
Black graduation mark.
2. pile tube inclination measurement method as claimed in claim 1, it is characterized in that, it is wrapped with clean oil outside the interior small ball
Liquid.
3. pile tube inclination measurement method as claimed in claim 1, it is characterized in that, it is provided with the outer big ball in liquid confession
Small ball floating is wherein；The liquid is transparent fluid.
4. pile tube inclination measurement method as claimed in claim 2 or claim 3, it is characterized in that, the interior small ball is transparent material
It is made.
5. pile tube inclination measurement method as claimed in claim 2 or claim 3, it is characterized in that, the interior small ball leads to provided with center
Hole, the opening direction of the central through hole are identical with the direction of laser transmitter projects laser.
6. pile tube inclination measurement method as claimed in claim 1, it is characterized in that, the step 3 concretely comprises the following steps：
Disk is fixed on to the inside of pile tube by colloid, the outer rim of disk is in contact with pile tube inwall, and put down disk
Face and pipe pile end portion plane keeping parallelism.
7. pile tube inclination measurement method as claimed in claim 1, it is characterized in that, the step 4 concretely comprises the following steps：
The a plurality of first straight line by from positive instrument center is done in pile tube base plane using multiple rulers, by a plurality of first straight line
Made marks with the first intersection point of the outer wall of pile tube bottom；Then vertically second straight line is done to pile tube top exterior walls to mark, second
There is the second intersection point in straight line, the second intersection point is sequentially connected to form polygon two-by-two, diagonals of polygon with pile tube top exterior walls
Intersection point is from the correspondence position at positive instrument center on pile tube top.
8. pile tube inclination measurement method as claimed in claim 1, it is characterized in that, the step 6 concretely comprises the following steps：
After pile tube squeezes into soil layer, place a dial on the top of pile tube, the center of dial and pile tube top find out from
The correspondence position at positive instrument center overlaps, and reads position of the laser projection of generating laser on dial, measures laser projection
Distance s of the position away from dial central point, the ratio between length l of distance s and pile tube is obtained into pile tube gradient.
9. pile tube inclination measurement method as claimed in claim 1, it is characterized in that, tensioning member is fixed with the disk, is drawn
The free end for stretching part extends to pile tube top；After pile tube gradient is calculated, disk is taken out by tensioning member；The drawing
It is steel wire to stretch part, and the free end of steel wire is provided with bending part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691086.1A CN105241421B (en) | 2015-10-22 | 2015-10-22 | A kind of pile tube inclination measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691086.1A CN105241421B (en) | 2015-10-22 | 2015-10-22 | A kind of pile tube inclination measurement method |
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| Publication Number | Publication Date |
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| CN105241421A CN105241421A (en) | 2016-01-13 |
| CN105241421B true CN105241421B (en) | 2017-12-15 |
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| CN201510691086.1A Active CN105241421B (en) | 2015-10-22 | 2015-10-22 | A kind of pile tube inclination measurement method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331044A (en) * | 2018-04-19 | 2018-07-27 | 南通蓝岛海洋工程有限公司 | A kind of deformation of steel-pipe pile reinforces and detection device |
| CN108895967B (en) * | 2018-05-14 | 2022-06-28 | 桂林电子科技大学 | Position detection method and detection device for karst cave pile foundation casing |
| CN110424951A (en) * | 2019-07-04 | 2019-11-08 | 中国建筑第八工程局有限公司 | The measuring tool and its application method of pile foundation hole perpendicularity |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08159757A (en) * | 1994-12-06 | 1996-06-21 | Mitsubishi Precision Co Ltd | Apparatus for measuring hole bent part |
| CN103090851B (en) * | 2013-02-26 | 2015-04-01 | 宁波建工股份有限公司 | Tubular pile inclination measuring device and using method thereof |
| CN104236484A (en) * | 2014-09-12 | 2014-12-24 | 上海市政建设有限公司 | Device and method for monitoring tube push bench head deviation in real time |
| CN104833294B (en) * | 2015-04-17 | 2018-04-27 | 中国建筑第八工程局有限公司 | Pile pile verticality measurement device and measuring method |
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