CN107119730A - Wharf Foundation Pile damage Dynamic testing sensor fastening device, detection means and method - Google Patents
Wharf Foundation Pile damage Dynamic testing sensor fastening device, detection means and method Download PDFInfo
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- CN107119730A CN107119730A CN201710311212.5A CN201710311212A CN107119730A CN 107119730 A CN107119730 A CN 107119730A CN 201710311212 A CN201710311212 A CN 201710311212A CN 107119730 A CN107119730 A CN 107119730A
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- foundation pile
- base
- sensor
- wharf foundation
- damage
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device, detection means and method, wherein, Wharf Foundation Pile damages Dynamic testing sensor fastening device, sensor can either be made to be close to foundation pile surface, the dismounting of sensor can be facilitated again, it is to avoid damage of the sensor in installation, demolishing process；The measurement accuracy for the raising sensor that more firm seating meanses can be to a certain extent simultaneously.Wharf Foundation Pile damage check instrument can be placed in position to be detected by the present invention so that detecting instrument is close to foundation pile surface, the detection to Wharf Foundation Pile measuring point be realized, preferably to judge Wharf Foundation Pile damage status.
Description
Technical field
The present invention relates to a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device, detection means and method.
Background technology
Long piled wharf is one of the structure applied extensively in port engineering field now, on harbour the safety detection of foundation pile and
Non-destructive tests safeguard that dress work has guiding meaning to harbour to finding that the damage position of Wharf Foundation Pile plays an important role in time
Justice, the service life of effective extension harbour.The damage check of foundation pile and normal use evaluation measures are constantly taken seriously, in recent years
Even more to turn into the hot issue of global academic research.
Dynamic testing is processed into using the corresponding relation of the physical parameters such as rigidity, the quality of structure and modal parameters
Some rationality distinguishing indexes, recognize structural damage, judge the damage location and degree of injury of structure.Dynamic testing is original by it
Mechanical characteristic Application way, meet the high precision measurement of engineering demand, and Non-Destructive Testing outstanding feature, just step by step into
For the most commonly used method of current harbour Non-Destructive Testing.
At present when carrying out Site Detection, it is necessary to directly affix to sensor on foundation pile, and possibility when removing sensor
The damage or destruction of sensor can be caused so that precision, performance etc. decline, the loss of acceleration sensor causes unnecessary wave
Take.And sensor cost is high, using this unnecessary loss can be avoided after sensor fastening device, detection is substantially reduced
Expense.
The content of the invention
The technical problems to be solved by the invention be to provide a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device,
Detection means and method, long piled wharf pile dynamic damage check is carried out using lossless detection method.
The present invention uses following technical scheme to solve above-mentioned technical problem：
On the one hand, the present invention provides a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device, and the sensor includes passing
Sensor base and sensor body.The fixing device includes base, the N number of screw rod being fixed on base, top cover and N number of spiral shell
Mother, N >=3, wherein：
The center of the base is provided with the through hole that a shape is adapted with sensor base, for sensor base is embedding
Enter wherein；The upper surface of the base is uniformly distributed N number of screw rod；
The center of the top cover is provided with a upper and lower variform through hole of two parts, the lower partial shape of the through hole
With being adapted with sensor base, the upper part of the through hole is adapted with the shape of sensor body, and sensor body is passed through
After through hole on top cover, the lower part of through hole matches to fix sensor base jointly with through hole on base on top cover；
The surrounding of through hole is also evenly arranged with the N number of screw being adapted with N number of screw rod on base on the top cover, and screw rod is passed through
After screw, top cover is fixed together with base by N number of nut
As the further technical scheme of the present invention, the lower surface of the base is fixed on Wharf Foundation Pile.
As the further technical scheme of the present invention, the lower surface of the base is smooth, and harbour is fixed on by building adhesive
On foundation pile.
As the further technical scheme of the present invention, the thickness of the base is less than the thickness of sensor base.
As the further technical scheme of the present invention, the thickness of the base and the thickness sum of part under top cover through hole are small
In the thickness of sensor base.
As the further technical scheme of the present invention, the length of the screw rod is more than top cover thickness and height of nut sum.
As the further technical scheme of the present invention, the fixing device uses high-strength light plastic material.
As the further technical scheme of the present invention, a fluting is additionally provided with the base, for placing sensor
Data connecting line.
On the other hand, the present invention also provides a kind of Wharf Foundation Pile damage detection apparatus, including the individual as above any described codes of K
Head foundation pile damage Dynamic testing sensor fastening device, K detection sensor, data acquisition unit and PC, K >=1 wherein, often
Individual detection sensor damages Dynamic testing sensor fastening device by a Wharf Foundation Pile respectively and is separately fixed at damage to be detected
On the Wharf Foundation Pile of wound；Collector is connected with each detection sensor respectively by data connecting line, for gathering each detection
The detection data of sensor；PC is connected with collector, for the data that collector is collected to be recorded and analyzed.
On the other hand, the present invention also provides a kind of Wharf Foundation Pile damage detecting method, using Wharf Foundation Pile as described above
Damage of the damage detection apparatus to Wharf Foundation Pile is detected, is comprised the following steps：
Step 1, the base that Wharf Foundation Pile damages Dynamic testing sensor fastening device is fixed on by damage to be detected by building adhesive
On the Wharf Foundation Pile of wound；
Step 2, the base insertion Wharf Foundation Pile of detection sensor is damaged into the through hole of Dynamic testing sensor fastening device base
It is interior；
Step 3, the top cover for Wharf Foundation Pile being damaged into Dynamic testing sensor fastening device is enclosed in detection sensor, passes through nut
The top cover that Wharf Foundation Pile is damaged into Dynamic testing sensor fastening device is fixedly connected with base so that the bottom surface of detection sensor
Contacted with Wharf Foundation Pile；
Step 4, detection sensor will detect data transfer to collector by data connecting line, and PC is connected and right with collector
The data that collector is collected are recorded and analyzed, and mechanical admittance curves and the Wharf Foundation Pile damage for obtaining damage position to be detected are quick
The factor is felt, so as to draw the degree of impairment of Wharf Foundation Pile.
The present invention uses above technical scheme compared with prior art, with following technique effect：The present invention can be achieved will
Wharf Foundation Pile damage check instrument layout is to the optional position of long piled wharf foundation pile, in order to obtain the mechanical admittance curves of the measuring point,
So as to analyze Wharf Foundation Pile damage sensitive feature, the damage position and degree of injury of Wharf Foundation Pile are more accurately judged.This hair
It is bright simple in construction, easy to operate.
Brief description of the drawings
Fig. 1 is the arrangement schematic diagram waterborne of Wharf Foundation Pile damage detection apparatus in the embodiment of the present invention；
Fig. 2 is the capping top view of Wharf Foundation Pile damage Dynamic testing sensor fastening device in the embodiment of the present invention；
Fig. 3 is the base vertical view of Wharf Foundation Pile damage Dynamic testing sensor fastening device in the embodiment of the present invention；
Fig. 4 is the scheme of installation of Wharf Foundation Pile damage Dynamic testing sensor fastening device in the embodiment of the present invention；
Fig. 5 is the top view after Wharf Foundation Pile damage Dynamic testing sensor fastening device installation in the embodiment of the present invention；
Fig. 6 is the front view after Wharf Foundation Pile damage Dynamic testing sensor fastening device installation in the embodiment of the present invention；
Wherein：1- collectors, 2-PC machines, 3- data connecting lines, 4- Wharf Foundation Piles damage Dynamic testing sensor fastening device, 5-
Wharf Foundation Pile, 6- screws, 7- top cover through holes, 8- studs, 9- bases fluting, 10- nuts, 11- top covers, 12- detection sensors,
13- bases, 14- data connecting lines.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to technical scheme：
Wharf Foundation Pile damage Dynamic testing sensor fastening device in the present invention, the through hole opened on its base and top cover can be with
Variously-shaped perforate is made according to the cross sectional shape of detection sensor.In the present embodiment, the section of detection sensor base is
Hexagon, the section of body are cylinder, therefore, the Wharf Foundation Pile damage Dynamic testing sensor fastening device in the present embodiment
Top cover and base as shown in Figures 2 and 3：Through hole section on base is hexagon, and be evenly arranged with the periphery of through hole 7 N=
A fluting 9 is additionally provided with 3 studs 8, base to place data connecting line；The through hole section of part is annulus on top cover
Shape, inner edge and the detection sensor body of annular are adapted, and the through hole section of lower part is consistent with the through hole on base, and
The periphery of through hole is also evenly arranged with N=3 screw 6.
The installation of Wharf Foundation Pile damage Dynamic testing sensor fastening device is as shown in figure 4, first, will examine in the present embodiment
In the through hole for the base 13 for surveying sensor base insertion fixing device, and data connecting line is caught in the fluting of base 13；So
Afterwards, top cover 11 is enclosed in detection sensor 12, and the screw 6 on top cover 11 is aligned to the stud on base 13；Finally, pass through
Top cover 11 is fixedly connected by nut 10 with base 13.Detection sensor base insertion fixing device such as Fig. 5 and 6 after installation
It is shown.
The arrangement waterborne of Wharf Foundation Pile damage detection apparatus in the present embodiment is as shown in figure 1, Wharf Foundation Pile damage inspection
Survey device include multiple Wharf Foundation Piles damage Dynamic testing sensor fastening device, multiple detection sensors, data acquisition unit with
And PC, each detection sensor damages Dynamic testing sensor fastening device by Wharf Foundation Pile respectively and is separately fixed at
On the Wharf Foundation Pile of damage to be detected；Collector is connected with each detection sensor respectively by connecting line, each for gathering
The detection data of detection sensor；PC is connected with collector, for the data that collector is collected to be recorded and analyzed.
The detection under water of Wharf Foundation Pile damage is carried out using the Wharf Foundation Pile damage detection apparatus, is specially：Pass through harbour
Detection sensor is fixed on and need to carried out on the Wharf Foundation Pile 5 of damage check by foundation pile damage Dynamic testing sensor fastening device,
The base fluting that data connecting line 3 damages Dynamic testing sensor fastening device by Wharf Foundation Pile is connected to collector 1, gathers
Device 1 is connected to PC 2 and carries out data record and analysis.The base of Wharf Foundation Pile damage Dynamic testing sensor fastening device leads to
Cross building adhesive fixation to be pasted onto on Wharf Foundation Pile, by tightening nut so that detection sensor is adjacent to Wharf Foundation Pile.
If desired multiple positions to Wharf Foundation Pile carry out damage check to multiple Wharf Foundation Piles, then can pass through harbour
Foundation pile damages Dynamic testing sensor fastening device and multiple detection sensors is arranged on to the position for needing to carry out damage check, together
Shi Jinhang damage checks.After the completion of damage check, nut is unclamped, top cover and sensor is removed, then base is separated with foundation pile,
I.e. dismountable device.The present invention can carry out long piled wharf pile dynamic damage check by lossless detection method.
It is described above, it is only the embodiment in the present invention, but protection scope of the present invention is not limited thereto, and appoints
What be familiar with the people of the technology disclosed herein technical scope in, it will be appreciated that the conversion or replacement expected, should all cover
Within the scope of the present invention, therefore, protection scope of the present invention should be defined by the protection domain of claims.
Claims (10)
1. Wharf Foundation Pile damages Dynamic testing sensor fastening device, the sensor includes sensor base and sensor sheet
Body, it is characterised in that the fixing device include base, the N number of screw rod being fixed on base, top cover and N number of nut, N >=3,
Wherein：
The center of the base is provided with the through hole that a shape is adapted with sensor base, for sensor base is embedding
Enter wherein；The upper surface of the base is uniformly distributed N number of screw rod；
The center of the top cover is provided with a upper and lower variform through hole of two parts, the lower partial shape of the through hole
With being adapted with sensor base, the upper part of the through hole is adapted with the shape of sensor body, and sensor body is passed through
After through hole on top cover, the lower part of through hole matches to fix sensor base jointly with through hole on base on top cover；
The surrounding of through hole is also evenly arranged with the N number of screw being adapted with N number of screw rod on base on the top cover, and screw rod is passed through
After screw, top cover is fixed together with base by N number of nut.
2. a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device according to claim 1, it is characterised in that institute
The lower surface for stating base is fixed on Wharf Foundation Pile.
3. a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device according to claim 2, it is characterised in that institute
The lower surface for stating base is smooth, is fixed on by building adhesive on Wharf Foundation Pile.
4. a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device according to claim 1, it is characterised in that institute
The thickness for stating base is less than the thickness of sensor base.
5. a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device according to claim 1, it is characterised in that institute
State the thickness that the thickness of base is less than sensor base with the thickness sum of part under top cover through hole.
6. a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device according to claim 1, it is characterised in that institute
The length for stating screw rod is more than top cover thickness and height of nut sum.
7. a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device according to claim 1, it is characterised in that should
Fixing device uses high-strength light plastic material.
8. a kind of Wharf Foundation Pile damage Dynamic testing sensor fastening device according to claim 1, it is characterised in that institute
State and a fluting, the data connecting line for placing sensor are additionally provided with base.
9. Wharf Foundation Pile damage detection apparatus, it is characterised in that including harbour base K as described in any in claim 1 to 8
Stake damage Dynamic testing sensor fastening device, K detection sensor, data acquisition unit and PC, K >=1 wherein, Mei Gejian
Survey sensor and damage to be detected is separately fixed at by a Wharf Foundation Pile damage Dynamic testing sensor fastening device respectively
On Wharf Foundation Pile；Collector is connected with each detection sensor respectively by data connecting line, for gathering each detection sensing
The detection data of device；PC is connected with collector, for the data that collector is collected to be recorded and analyzed.
10. Wharf Foundation Pile damage detecting method, using Wharf Foundation Pile damage detection apparatus as claimed in claim 9 to harbour base
The damage of stake is detected, it is characterised in that comprised the following steps：
Step 1, the base that Wharf Foundation Pile damages Dynamic testing sensor fastening device is fixed on by damage to be detected by building adhesive
On the Wharf Foundation Pile of wound；
Step 2, the base insertion Wharf Foundation Pile of detection sensor is damaged into the through hole of Dynamic testing sensor fastening device base
It is interior；
Step 3, the top cover for Wharf Foundation Pile being damaged into Dynamic testing sensor fastening device is enclosed in detection sensor, passes through nut
The top cover that Wharf Foundation Pile is damaged into Dynamic testing sensor fastening device is fixedly connected with base so that the bottom surface of detection sensor
Contacted with Wharf Foundation Pile；
Step 4, detection sensor will detect data transfer to collector by data connecting line, and PC is connected and right with collector
The data that collector is collected are recorded and analyzed, and mechanical admittance curves and the Wharf Foundation Pile damage for obtaining damage position to be detected are quick
The factor is felt, so as to draw the degree of impairment of Wharf Foundation Pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311212.5A CN107119730B (en) | 2017-05-05 | 2017-05-05 | Wharf Foundation Pile damages Dynamic testing sensor fastening device, detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710311212.5A CN107119730B (en) | 2017-05-05 | 2017-05-05 | Wharf Foundation Pile damages Dynamic testing sensor fastening device, detection device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107119730A true CN107119730A (en) | 2017-09-01 |
| CN107119730B CN107119730B (en) | 2019-05-10 |
Family
ID=59726787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710311212.5A Expired - Fee Related CN107119730B (en) | 2017-05-05 | 2017-05-05 | Wharf Foundation Pile damages Dynamic testing sensor fastening device, detection device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455476A (en) * | 2019-07-29 | 2019-11-15 | 河海大学 | A kind of multidimensional dynamical dactylogram damnification recognition method based on MCD abnormal point checking method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10183659A (en) * | 1996-12-24 | 1998-07-14 | Tokyo Gas Co Ltd | Evaluation system and method for pile-foundation |
| CN105651823A (en) * | 2015-12-30 | 2016-06-08 | 河海大学 | Wharf's foundation pile damage detecting instrument underwater arrangement device, detection device and method |
| CN104947722B (en) * | 2015-06-26 | 2017-01-04 | 武汉中和工程技术有限公司 | Method for mounting foundation pile high-strain stress sensor |
-
2017
- 2017-05-05 CN CN201710311212.5A patent/CN107119730B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10183659A (en) * | 1996-12-24 | 1998-07-14 | Tokyo Gas Co Ltd | Evaluation system and method for pile-foundation |
| CN104947722B (en) * | 2015-06-26 | 2017-01-04 | 武汉中和工程技术有限公司 | Method for mounting foundation pile high-strain stress sensor |
| CN105651823A (en) * | 2015-12-30 | 2016-06-08 | 河海大学 | Wharf's foundation pile damage detecting instrument underwater arrangement device, detection device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455476A (en) * | 2019-07-29 | 2019-11-15 | 河海大学 | A kind of multidimensional dynamical dactylogram damnification recognition method based on MCD abnormal point checking method |
| CN110455476B (en) * | 2019-07-29 | 2021-08-27 | 河海大学 | Multi-dimensional dynamic fingerprint damage identification method based on MCD abnormal point detection algorithm |
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| Publication number | Publication date |
|---|---|
| CN107119730B (en) | 2019-05-10 |
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