CN204662519U - A kind of checkout gear of foundation pile integrity and weight thereof - Google Patents
A kind of checkout gear of foundation pile integrity and weight thereof Download PDFInfo
- Publication number
- CN204662519U CN204662519U CN201520192639.4U CN201520192639U CN204662519U CN 204662519 U CN204662519 U CN 204662519U CN 201520192639 U CN201520192639 U CN 201520192639U CN 204662519 U CN204662519 U CN 204662519U
- Authority
- CN
- China
- Prior art keywords
- weight
- foundation pile
- checkout gear
- acceleration transducer
- integrity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The utility model provides a kind of checkout gear of foundation pile integrity, comprises and detects data collection and analysis instrument, weight, weight bracing frame and a plurality of acceleration transducer; The tup of described weight is hemispherical, and weight weight is not less than 50kg, described weight hangs swingably and is located on weight bracing frame, and be positioned at the top of foundation pile pile crown, described a plurality of acceleration transducer is arranged on the lateral surface place of foundation pile near stake top symmetrically, and connects described detection data collection and analysis instrument.Checkout gear of the present utility model, can not there is bias in weight, and can reduce High-frequency Interference, and weight weight is medium, and it is accurate more comprehensively to detect than general low strain dynamic method, lower than the cost of general Large strain method detection again; The installation site of acceleration transducer makes easy for installation, also can effectively prevent from damaging sensor.
Description
Technical field
The utility model relates to a kind of construction work detection technique, particularly a kind of checkout gear of the foundation pile integrity between Large strain method and low strain dynamic method and weight thereof.
Background technology
The integrity detection of pile foundation is the guarantee of pile foundation trouble free service, for building provides epochmaking safety guarantee.At present, the method of pile detection is divided into two large classes, one class is loading test method, and another kind of is integrity detection method, and that commonly uses at present in integrity detection method has: core drilling method, sound wave transmission method, Large strain method (simultaneously also for loading test) and low strain dynamic method detection method.These detection methods respectively have its applicable elements.Core drilling method, sound wave transmission method detection method are applicable to castinplace pile, and these two kinds of methods and Large strain method cost all higher, be difficult to require that engineering adopts them to generally investigate, and low strain dynamic method cost low velocity is fast, but because the energy excited is little, limitation is strong, has significant limitation, even have very large supposition composition to the detection of long stake, large diameter pile.
The utility model is that a kind of stress wave utilizing medium energy exciting to produce between Large strain method and low strain dynamic method is to a kind of checkout gear of pile integrity detection and weight thereof.
Summary of the invention
One of the technical problems to be solved in the utility model, be the checkout gear that a kind of foundation pile integrity is provided, the stress wave produced by medium energy exciting is to pile integrity detection, reach and both can carry out pile foundation quality generaI investigation with lower cost, the object of proterties at the bottom of pile quality and stake can be judged again more accurately.
One of the technical problems to be solved in the utility model is achieved in that a kind of checkout gear of foundation pile integrity, comprises and detects data collection and analysis instrument, weight, weight bracing frame and a plurality of acceleration transducer; The tup of described weight is hemispherical, and weight weight is not less than 50kg, described weight hangs swingably and is located on weight bracing frame, and be positioned at the top of foundation pile pile crown, described a plurality of acceleration transducer is arranged on the lateral surface place of foundation pile near stake top symmetrically, and connects described detection data collection and analysis instrument.
Further, the installation site distance foundation pile end face 10 ± 1cm of described acceleration transducer.
Further, described a plurality of acceleration transducer all connects described detection data collection and analysis instrument by snap joint.
Further, described weight bracing frame comprises a horizontal cross bar, two fulcrums, guides conduit and a tripping gear into, and described horizontal cross bar is by described two fulcrum supports, and described weight hangs to be located on horizontal cross bar and spacing with tripping gear by guiding conduit into.
Further, the tup of described weight is engineering plastics tups, and described weight weight is also not more than 200kg.
The technical problems to be solved in the utility model two, is the weight of the checkout gear providing a kind of foundation pile integrity, and the stress wave produced by medium energy exciting is to pile integrity detection.
One of the technical problems to be solved in the utility model is achieved in that a kind of weight of checkout gear of foundation pile integrity, and the tup of weight is hemispherical, and weight weight is not less than 50kg.
Further, the tup of described weight is engineering plastics tups, and described weight weight is also not more than 200kg.
The utility model has the advantage of: checkout gear of the present utility model, the tup of weight is hemispherical, bias can not be there is, and can High-frequency Interference be reduced, weight weight is minimum is 50kg, according to the increase of pile length, diameter, also can strengthen weight, therefore it is accurate more comprehensively to detect than general low strain dynamic method, lower than the cost of general Large strain method detection again; Acceleration transducer of the present utility model is arranged on the lateral surface place of foundation pile near stake top symmetrically, both need not excavate ground and install, and also can effectively prevent from damaging sensor.
Accompanying drawing explanation
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the structural representation of the utility model checkout gear.
Detailed description of the invention
Refer to shown in Fig. 1, the checkout gear of foundation pile integrity of the present utility model, comprise and detect data collection and analysis instrument 1, weight 2, weight bracing frame 3 and a plurality of acceleration transducer 4; The tup 22 of described weight 2 is hemispherical, and weight 2 weight is not less than 50kg, described weight 2 hangs swingably and is located on weight bracing frame 3, and be positioned at the top of foundation pile A pile crown, described a plurality of acceleration transducer 4 is arranged on the lateral surface place of foundation pile A near stake top symmetrically, and connects described detection data collection and analysis instrument 1.
The installation site of described acceleration transducer 4 and the distance h=10 ± 1cm of foundation pile A end face, namely 9-11cm is good.
Described a plurality of acceleration transducer 4 all connects described detection data collection and analysis instrument 1 by snap joint 5.On 2 ~ 3 foundation stake A, install acceleration transducer 4 during such detection simultaneously, when detecting, being connected with described detection data collection and analysis instrument 1 by the acceleration transducer 4 on the different foundation pile of snap joint 5 rotation dismounting, detecting.
Described weight bracing frame 3 comprises a horizontal cross bar 31, two fulcrums 32, guides conduit 33 and a tripping gear 34 into, described horizontal cross bar 31 is supported by described two fulcrums 32, these two fulcrums 32 can be mechanical fulcrums, also can be artificial Fulcrum, described weight 2 hangs to be located on horizontal cross bar 31 and spacing with tripping gear 34 by guiding conduit 33 into.
Described weight 4 preferably can be engineering plastics tup, and to reduce the damage to foundation pile pile crown, and tup 22 is hemispherical, weight is medium, bias can not occur, therefore when knocking, foundation pile A pile crown large volume can not be caused to destroy, also can not be corrupted to the concrete of foundation pile in the darker scope in side place.In addition, for ensureing the quick of detection speed, also can limit weight weight and being not more than 200kg.
Operating principle of the present utility model:
The distance that falls of weight 2 is first set when step 1, detection;
In step 2, the scope that allows weight 2 knock to cross in foundation pile end face grinding process, the stress wave that weight 2 knocks generation to be delivered in described detection data collection and analysis instrument 1 by this snap joint 5 by acceleration transducer 4 and to carry out data acquisition and analysis;
Step 3, judge to detect the data that data collection and analysis instrument 1 collects and whether have repeatability, no, then getting back to step 3 and again knock and image data, is then carry out next step;
Step 4, judging to detect the whether visible obviously signal at the bottom of stake of data that data collection and analysis instrument 1 collects, is then carry out computation and analysis and go out examining report, no, then strengthen apart from or strengthen weight 2 weight, getting back to step 2.
Checkout gear of the present utility model, the tup of weight is hemispherical, bias can not occur, and can reduce High-frequency Interference, weight weight is minimum is 50kg, according to the increase of pile length, diameter, also can strengthen weight, it is accurate more comprehensively therefore to detect than general low strain dynamic method, lower than the cost of general Large strain method detection again, but quick in order to what detect, should not 200kg be greater than; Acceleration transducer of the present utility model is arranged on the lateral surface place of foundation pile near stake top symmetrically, both need not excavate ground and install, and also can effectively prevent from damaging sensor.
Although the foregoing describe detailed description of the invention of the present utility model; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present utility model; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present utility model and change, should be encompassed in scope that claim of the present utility model protects.
Claims (9)
1. a checkout gear for foundation pile integrity, is characterized in that: comprise and detect data collection and analysis instrument, weight, weight bracing frame and a plurality of acceleration transducer; The tup of described weight is hemispherical, and weight weight is not less than 50kg, described weight hangs swingably and is located on weight bracing frame, and be positioned at the top of foundation pile pile crown, described a plurality of acceleration transducer is arranged on the lateral surface place of foundation pile near stake top symmetrically, and connects described detection data collection and analysis instrument.
2. the checkout gear of a kind of foundation pile integrity as claimed in claim 1, is characterized in that: the installation site distance foundation pile end face 10 ± 1cm of described acceleration transducer.
3. the checkout gear of a kind of foundation pile integrity as claimed in claim 1 or 2, is characterized in that: described a plurality of acceleration transducer all connects described detection data collection and analysis instrument by snap joint.
4. the checkout gear of a kind of foundation pile integrity as claimed in claim 1 or 2, it is characterized in that: described weight bracing frame comprises a horizontal cross bar, two fulcrums, guides conduit and a tripping gear into, described horizontal cross bar is by described two fulcrum supports, and described weight hangs to be located on horizontal cross bar and spacing with tripping gear by guiding conduit into.
5. the checkout gear of a kind of foundation pile integrity as claimed in claim 1, is characterized in that: the tup of described weight is engineering plastics tups.
6. the checkout gear of a kind of foundation pile integrity as claimed in claim 1, is characterized in that: described weight weight is also not more than 200kg.
7. a weight for the checkout gear of foundation pile integrity, is characterized in that: the tup of weight is hemispherical, and weight weight is not less than 50kg.
8. the weight of the checkout gear of a kind of foundation pile integrity as claimed in claim 7, is characterized in that: the tup of described weight is engineering plastics tups.
9. the weight of the checkout gear of a kind of foundation pile integrity as claimed in claim 7, is characterized in that: described weight weight is also not more than 200kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520192639.4U CN204662519U (en) | 2015-04-02 | 2015-04-02 | A kind of checkout gear of foundation pile integrity and weight thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520192639.4U CN204662519U (en) | 2015-04-02 | 2015-04-02 | A kind of checkout gear of foundation pile integrity and weight thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204662519U true CN204662519U (en) | 2015-09-23 |
Family
ID=54132915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520192639.4U Active CN204662519U (en) | 2015-04-02 | 2015-04-02 | A kind of checkout gear of foundation pile integrity and weight thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204662519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2543114A (en) * | 2016-03-04 | 2017-04-12 | Reece Innovation Centre Ltd | Determination of a physical condition of a pole-type structure |
| CN107869156A (en) * | 2016-08-09 | 2018-04-03 | 侯宏伟 | Parallel seismic wave method determines the detection method of foundation pile length |
| CN109778920A (en) * | 2019-02-25 | 2019-05-21 | 河海大学 | One kind is with foundation pile damage detection device and detection method |
-
2015
- 2015-04-02 CN CN201520192639.4U patent/CN204662519U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2543114A (en) * | 2016-03-04 | 2017-04-12 | Reece Innovation Centre Ltd | Determination of a physical condition of a pole-type structure |
| CN107869156A (en) * | 2016-08-09 | 2018-04-03 | 侯宏伟 | Parallel seismic wave method determines the detection method of foundation pile length |
| CN109778920A (en) * | 2019-02-25 | 2019-05-21 | 河海大学 | One kind is with foundation pile damage detection device and detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201177585Y (en) | Pile foundation high strain detection device | |
| CN101561379B (en) | Tap-scanning method for detecting structural damages | |
| CN102279135B (en) | Lossless dynamic detection apparatus and method for anchor pile drawing force | |
| CN104763000A (en) | Detection method for completeness of foundation pile | |
| CN204662519U (en) | A kind of checkout gear of foundation pile integrity and weight thereof | |
| CN202101909U (en) | Anchor rod drawing force lossless dynamic detecting device | |
| CN101761062A (en) | Wireless rotating penetrometer | |
| CN106959248A (en) | A kind of concrete sample damage Crack Detection experimental rig and test method | |
| CN103868993A (en) | Method and device for acoustic discrimination of multistage yield points by rock triaxial single sample method | |
| US7730762B2 (en) | Device and method for testing isolation structure | |
| CN102251510A (en) | Detection system for tamping settlement of heavy tamping machine | |
| CN104652501A (en) | Pile foundation quality detection device and pile foundation quality detection method of shock excitation in pile side prospect hole | |
| CN102323058B (en) | Device and method for identifying bearing load of turbo generator set based on strain signal of rotating shaft | |
| CN103439411B (en) | Multispan hole ultrasonic wave detecting system and detection method thereof | |
| CN103994846A (en) | Device and method for testing surrounding rock stress field distribution | |
| CN107476274B (en) | Measurement and analysis system for front end of feeler lever of standard penetration test | |
| AU2015208554A1 (en) | Rock acoustic wave detection transducer | |
| CN102759744A (en) | Method for detecting grotto steel lining concrete void thickness | |
| CN102419346B (en) | Bolting support quality detection method and detection device | |
| CN1963459A (en) | Random lossless dynamical testing apparatus and method for anchor arm and anchoring | |
| CN107843743A (en) | A kind of dynamic consolidation construction collecting method based on impact acceleration | |
| CN101650242B (en) | Method for nondestructive detection of prestressing force under anchor of anchor rope | |
| CN204435440U (en) | Railway in operation roadbed side Bored Pile Foundation detection architecture | |
| CN103559332B (en) | A kind of extracting method of single order screw rod Dispersion | |
| CN110424474B (en) | PHC-steel pipe combined pile damage dynamic detection system and method based on low strain method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |