CN109357669A - A kind of driving into type foundation pile pile sinking pile penetration and springback capacity test device and test method - Google Patents
A kind of driving into type foundation pile pile sinking pile penetration and springback capacity test device and test method Download PDFInfo
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- CN109357669A CN109357669A CN201811359755.5A CN201811359755A CN109357669A CN 109357669 A CN109357669 A CN 109357669A CN 201811359755 A CN201811359755 A CN 201811359755A CN 109357669 A CN109357669 A CN 109357669A
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 230000035515 penetration Effects 0.000 title claims abstract description 47
- 238000010998 test method Methods 0.000 title claims abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000003973 paint Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 14
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000282693 Cercopithecidae Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/52—Investigating hardness or rebound hardness by measuring extent of rebound of a striking body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The present invention provides a kind of pile sinking pile penetration of driving into type foundation pile and springback capacity test devices and test method, the device includes test paper, pen shape component, for fixing the penholder of pen shape component, support frame for fixing the passageway of penholder and for fixing passageway, passageway is arc component and offers arc chute, penholder along the chute defined by track it is mobile and be removably secured and be connected to passageway, test paper is fixed on the lateral wall of foundation pile to be tested, passageway is fixed on the outside of foundation pile to be tested by support frame keeps the arc in passageway corresponding with the lateral wall radian of foundation pile to be tested, pen shape modular level is placed and the test paper appearance face contact of pen tip and foundation pile lateral wall to be tested is a kind of driving into type foundation pile pile sinking pile penetration and rebound measuring device.The measuring device is easy for installation, and time-consuming short, measurement accuracy is high, and measurement cost is low, can measure the pile penetration of GPS and total station and check, can estimate bearing capacity of single pile.
Description
Technical field
The present invention relates to pile foundation engineering fields, and in particular to one kind is capable of measuring pile driving process foundation pile pile penetration, pile body rebound
The device of amount.
Background technique
Driving into type foundation pile is often absolute altitude and two kinds of penetration control with pile sinking final set standard, holds foundation pile and holding force based on holding
Layer is the foundation pile of hard formation often based on penetration control.All kinds of architectural engineerings at sea and land at home and abroad at present, foundation pile
In piling construction, pile penetration mainly passes through total station or the subsidiary GPS of pile driving barge (machine) to the pile body mark between different blow counts
The shortcomings that height measures, and pushes away pile sinking pile penetration so that the table height difference between different blow counts is counter, such mode is measuring system
Error or mistake be not easy to be found, and the measurement of GPS and satellite-signal power also have larger impact.
Summary of the invention
The purpose of the present invention is to provide it is a kind of can pile penetration to foundation pile pile driving process, pile body springback capacity carry out real time implementation
The device of test.
To achieve the goals above, the invention adopts the following technical scheme: a kind of pile sinking pile penetration of driving into type foundation pile
And springback capacity test device comprising test paper, pen shape component, the penholder for fixing pen shape component, for fixing penholder
Passageway and support frame for fixing passageway, passageway be arc component and offer arc chute, penholder along the chute defined by
Track is mobile and is removably secured and is connected to passageway, and test paper is fixed on the lateral wall of foundation pile to be tested, and support frame is by passageway
Being fixed on the outside of foundation pile to be tested keeps the arc in passageway corresponding with the lateral wall radian of foundation pile to be tested, pen shape modular level
The test paper appearance face contact of placement and pen tip and foundation pile lateral wall to be tested.
Support frame as described above includes pedestal and bracket, and the pedestal is set on fixture or means of transport, the bracket bottom
Portion is fixedly connected on pedestal, and pallet top is fixedly connected with passageway.
The pen shape component includes pen container, pen core and spring, and pen container is horizontally fixedly connected at the top of penholder, pen container one end
Open at one end closing, pen core are placed in pen container inner cavity, and pen tip exposes from pen container open end, and closed end is equipped with the outside force feed of pen core
Spring, through-hole being equipped at the top of pen container, being equipped in through-hole for being tightened pen core in the bolt in pen container, the top of bolt
Through-hole is pierced by as the operating side for manually screwing.
The pen core is colored pen core.
The passageway sliding slot is equipped with scale.
The test method of a kind of driving into type foundation pile pile sinking pile penetration and springback capacity uses as above any driving into type
The pile sinking pile penetration and springback capacity test device of foundation pile, and operate according to the following steps:
(1) test paper is attached to the lateral wall of foundation pile to be tested, the pile sinking pile penetration of driving into type foundation pile and rebound are measured
The outside for being fixed on foundation pile to be tested is set in trial assembly, makes the outside of the arc for making passageway on the outside of foundation pile to be tested and foundation pile to be tested
Wall radian is corresponding, and penholder is fixed on to the least significant end of passageway sliding slot, Stylus contact test paper outer surface；
(2) it strikes foundation pile to be tested, so that pen tip is painted out in test paper outer surface and left because of pile body injection and rebound
Track；(3) it before next hammer starts after every hammer, is fixedly clamped along passageway sliding slot transverse shifting penholder and again, adjusts pen
The position of shape component makes Stylus contact in test paper outer surface, repeats the operation of step (2)；
(4) repeat step (3) operation, until foundation pile pile sinking in place；
(5) test paper is collected, the displacement curve of each hammer pile penetration of foundation pile and pile body springback capacity is obtained.
Passageway sliding slot is equipped with scale, and step (3) is every time along one scale of same direction transverse shifting.
The device of the invention is easy to assembly, time-consuming short, and precision is high, applied widely, by the pen on device and is attached to stake
The contact of the rebound test paper of body can draw the displacement curve of each hammer of foundation pile pile body, including pile penetration with the pile sinking of foundation pile
And pile body springback capacity.The test device can be suitably used for driving into type steel-pipe pile and concrete-pile, the base of different type, piles with different diameter
Stake, marine and land driving into type foundation pile can use.In foundation pile pile driving process, device is mounted on pile driving barge (machine) back
On plate, rebound test paper be attached to pile body, by pen on device and rebound paper contact, measure the pile penetration of each hammer foundation pile and return
Bullet value forms test curve, and measuring accuracy is hit in 0.1mm/, and energy and total station and GPS carry out the measurement result of pile penetration
Compare and check, prevent single pile penetration measurement system error, guarantees the accuracy of pile driving process pile penetration measurement.It is opposite to pass
GPS and the total station comparison of system are only capable of the pile penetration of test pile driving process, and the mistake of system has concealment, and the present invention can be right
Pile penetration and pile body spring back to form direct curve, have visual function, ocular and clear.And the injection based on pile driving process
Degree and rebound test value can carry out the estimation of bearing capacity of single pile according to extra large sharp formula, can guarantee foundation pile pile sinking matter from multi-angle
Amount.
Detailed description of the invention
Fig. 1 is the side view of driving into type foundation pile pile sinking pile penetration and springback capacity test device of the invention.
Fig. 2 is the top view of driving into type foundation pile pile sinking pile penetration and springback capacity test device of the invention.
Fig. 3 is the front view of driving into type foundation pile pile sinking pile penetration and springback capacity test device of the invention.
Fig. 4 is the present invention in pile penetration and the elevational schematic view of springback capacity test process.
Fig. 5 is the present invention floor map that penholder is moved along passageway in pile penetration and springback capacity test process.
Fig. 6 is rebound test paper meaning analysis diagram.
Fig. 7 is rebound test paper pile penetration and springback capacity test trails schematic diagram.
Wherein, pedestal 101, bracket 102, passageway 103, penholder 104, pen container 105, spring 106, bolt 107, pen core 108,
Backboard 109, test paper 200, foundation pile 300, the two hammer total deflections 401 of pile body are single to hammer pile body deflection 402, single hammer pile body rebound into shape
Amount 403.
Specific embodiment
The pile sinking pile penetration and springback capacity test device of driving into type foundation pile of the invention are as shown in fig. 1~fig. 5 comprising survey
Test paper 200, pen shape component, the penholder 104 for fixing pen shape component, the passageway 103 for fixing penholder and be used for fixing clamp
The support frame in road.Passageway 103 is arc component and offers arc chute, penholder 104 along the chute defined by track it is mobile simultaneously
It is removably secured and is connected to passageway 103.Test paper 200 is fixed on the lateral wall of foundation pile 300 to be tested, and support frame consolidates passageway
Make the arc in passageway corresponding with the lateral wall radian of foundation pile to be tested on the outside of foundation pile to be tested, pen shape modular level is put
It sets and the test paper appearance face contact of pen tip and foundation pile lateral wall to be tested.
In the present embodiment, support frame includes pedestal 101 and bracket 102, and pedestal 101 is placed directly on fixture, such as
On building or structures or delivery vehicle.As shown in figure 4, pedestal can also be further placed in admittedly by components such as backboards 109
On earnest.102 bottom of bracket is fixedly connected on pedestal 101, and passageway 103 is fixedly connected at the top of bracket 102.
Pen shape component includes pen container 105, pen core and spring, and pen container 105 is horizontally fixedly connected on 104 top of penholder,
Pen container is open at one end closed at one end, and pen core 108 is placed in pen container inner cavity, and pen tip exposes from pen container open end, and closed end is equipped with will
The spring 106 of the outside force feed of pen core, pen container top being equipped with through-hole, being equipped in through-hole for being tightened pen core in pen container
Bolt 107 is pierced by through-hole at the top of bolt, and top has nut structure, as the operating position for manually screwing.Pen core is adopted
It is advisable with crayon.
As shown in figure 5,103 sliding slot of passageway is equipped with scale.It, can be true according to graduation indication when penholder moves horizontally along the chute
It is uniform to determine mobile range.
The method tested using the present apparatus driving into type foundation pile pile sinking pile penetration and springback capacity is as follows:
(1) test paper is attached to the lateral wall of foundation pile to be tested, the pile sinking pile penetration of driving into type foundation pile and rebound are measured
The outside for being fixed on foundation pile to be tested is set in trial assembly, makes the outside of the arc for making passageway on the outside of foundation pile to be tested and foundation pile to be tested
Wall radian is corresponding, and penholder is fixed on to the least significant end of passageway sliding slot, Stylus contact test paper outer surface；
(2) it strikes foundation pile to be tested, so that pen tip is painted out in test paper outer surface and left because of pile body injection and rebound
Track；
(3) it before next hammer starts after every hammer, is fixedly clamped along passageway sliding slot transverse shifting penholder and again, adjusts
The position of pen shape component makes Stylus contact in test paper outer surface, repeats the operation of step (2)；
(4) repeat step (3) operation, until foundation pile pile sinking in place；
(5) test paper is collected, the displacement curve of each hammer pile penetration of foundation pile and pile body springback capacity is obtained.
The measuring device of this patent can measure the pile penetration variation of foundation pile in pile driving process in real time and pile body springs back paper,
With visual intuitive.By the test value at scene, the pile penetration measurement result of GPS and total station can be checked,
And combine pile penetration required for the sharp formula in sea and springback capacity to estimate bearing capacity of single pile, thus to piling construction quality into
The effective monitoring of row.
Extra large benefit formula according to conservation of energy principle and hits what theorem proposed in nineteen thirty by extra large sharp (Hiley, A).It leads
Hammering process to be divided into stage, bullet after hitting last stage, shock according to hammer core in the free-falling hammer feature of pile sinking hammering process
Property Restoration stage, rebound totally 4 stages in stage.The conservation of energy, momentum transfer process based on each stage are analyzed, and are obtained
Pile driving formula, expression way are as follows:
Pu=ξ WrHη/(e+C/2)
Wherein, PuFor the ultimate bearing capacity of stake；WrTo hammer core weight into shape；H is hammering high jump；ξ is pile monkey energy transmission reduction system
Number；η is hammering efficiency；E is the pile penetration of test；Pile-soil system proof resilience deforms when C is hammering, i.e., live detectable stake top
Rebound value, pile body rebound value 403 as shown in FIG. 6.
Claims (7)
1. the pile sinking pile penetration and springback capacity test device of a kind of driving into type foundation pile, it is characterised in that: including test paper, pen shape structure
Part, the penholder for fixing pen shape component, the passageway for fixing penholder and the support frame for fixing passageway, passageway are arc
Component and offer arc chute, penholder along the chute defined by track it is mobile and be removably secured and be connected to passageway, test
Paper is fixed on the lateral wall of foundation pile to be tested, support frame passageway is fixed on the outside of foundation pile to be tested make the arc in passageway with to
The lateral wall radian for testing foundation pile is corresponding, and pen shape modular level is placed and outside the test paper of pen tip and foundation pile lateral wall to be tested
Surface contact.
2. the pile sinking pile penetration and springback capacity test device of driving into type foundation pile according to claim 1, it is characterised in that: institute
Stating support frame includes pedestal and bracket, and the pedestal is set on fixture or means of transport, and the bracket base is fixedly connected
In pedestal, pallet top is fixedly connected with passageway.
3. the pile sinking pile penetration and springback capacity test device of driving into type foundation pile according to claim 1, it is characterised in that: institute
Stating pen shape component includes pen container, pen core and spring, and pen container is horizontally fixedly connected at the top of penholder, a pen container end seal open at one end
It closes, pen core is placed in pen container inner cavity, and pen tip exposes from pen container open end, and closed end is equipped with the spring of the outside force feed of pen core, pen
Cylinder top is equipped with through-hole, is equipped in through-hole and is pierced by through-hole for being tightened pen core at the top of the bolt in pen container, bolt
As the operating side for manually screwing.
4. the pile sinking pile penetration and springback capacity test device of driving into type foundation pile according to claim 3, it is characterised in that: institute
Pen core is stated as colored pen core.
5. the pile sinking pile penetration and springback capacity test device of driving into type foundation pile according to claim 1, it is characterised in that: institute
Passageway sliding slot is stated equipped with scale.
6. the test method of a kind of driving into type foundation pile pile sinking pile penetration and springback capacity, it is characterised in that using such as Claims 1 to 5
The pile sinking pile penetration and springback capacity test device of any driving into type foundation pile, and operate according to the following steps:
(1) test paper is attached to the lateral wall of foundation pile to be tested, the pile sinking pile penetration and springback capacity of driving into type foundation pile are tested into dress
The outside for being fixed on foundation pile to be tested is set, the lateral wall arc of the arc for making passageway on the outside of foundation pile to be tested and foundation pile to be tested is made
It spends corresponding, penholder is fixed on to the least significant end of passageway sliding slot, Stylus contact test paper outer surface；
(2) foundation pile to be tested is struck, pen tip is made to paint out the track left by pile body injection and rebound in test paper outer surface；
(3) it before next hammer starts after every hammer, is fixedly clamped along passageway sliding slot transverse shifting penholder and again, adjusts pen shape
The position of component makes Stylus contact in test paper outer surface, repeats the operation of step (2)；
(4) repeat step (3) operation, until foundation pile pile sinking in place；
(5) test paper is collected, the displacement curve of each hammer pile penetration of foundation pile and pile body springback capacity is obtained.
7. the test method of driving into type foundation pile pile sinking pile penetration according to claim 6 and springback capacity, it is characterised in that: folder
Road sliding slot is equipped with scale, and step (3) is every time along one scale of same direction transverse shifting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359755.5A CN109357669A (en) | 2018-11-15 | 2018-11-15 | A kind of driving into type foundation pile pile sinking pile penetration and springback capacity test device and test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359755.5A CN109357669A (en) | 2018-11-15 | 2018-11-15 | A kind of driving into type foundation pile pile sinking pile penetration and springback capacity test device and test method |
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| Publication Number | Publication Date |
|---|---|
| CN109357669A true CN109357669A (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811359755.5A Pending CN109357669A (en) | 2018-11-15 | 2018-11-15 | A kind of driving into type foundation pile pile sinking pile penetration and springback capacity test device and test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028936A (en) * | 2021-03-04 | 2021-06-25 | 苏州玖物互通智能科技有限公司 | Mechanical arm movement track testing device and testing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980014747A (en) * | 1996-08-12 | 1998-05-25 | 이순목 | PILE INSERTION INSTRUMENT INSTRUMENT FOR CONSTRUCTION |
| JPH11293674A (en) * | 1998-04-09 | 1999-10-26 | Tokyo Electric Power Co Inc:The | Penetration amount measuring device for pile |
| KR20070117970A (en) * | 2006-06-10 | 2007-12-13 | 이시영 | Recording system for final piling |
| JP2011122313A (en) * | 2009-12-09 | 2011-06-23 | Penta Ocean Construction Co Ltd | Method and apparatus for measuring rebound amount and penetration amount of pile |
| CN108368686A (en) * | 2015-10-12 | 2018-08-03 | 詹孝森 | Stake coordinate measuring set |
| CN209102074U (en) * | 2018-11-15 | 2019-07-12 | 中交第四航务工程局有限公司 | A kind of driving into type foundation pile pile sinking pile penetration and springback capacity test device |
-
2018
- 2018-11-15 CN CN201811359755.5A patent/CN109357669A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980014747A (en) * | 1996-08-12 | 1998-05-25 | 이순목 | PILE INSERTION INSTRUMENT INSTRUMENT FOR CONSTRUCTION |
| JPH11293674A (en) * | 1998-04-09 | 1999-10-26 | Tokyo Electric Power Co Inc:The | Penetration amount measuring device for pile |
| KR20070117970A (en) * | 2006-06-10 | 2007-12-13 | 이시영 | Recording system for final piling |
| JP2011122313A (en) * | 2009-12-09 | 2011-06-23 | Penta Ocean Construction Co Ltd | Method and apparatus for measuring rebound amount and penetration amount of pile |
| CN108368686A (en) * | 2015-10-12 | 2018-08-03 | 詹孝森 | Stake coordinate measuring set |
| CN209102074U (en) * | 2018-11-15 | 2019-07-12 | 中交第四航务工程局有限公司 | A kind of driving into type foundation pile pile sinking pile penetration and springback capacity test device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113028936A (en) * | 2021-03-04 | 2021-06-25 | 苏州玖物互通智能科技有限公司 | Mechanical arm movement track testing device and testing system |
| CN113028936B (en) * | 2021-03-04 | 2023-09-22 | 苏州玖物智能科技股份有限公司 | Mechanical arm movement track testing device and testing system |
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