CN107059954B - A kind of bored piles bottom sediment thickness detection device and method - Google Patents
A kind of bored piles bottom sediment thickness detection device and method Download PDFInfo
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- CN107059954B CN107059954B CN201710167371.2A CN201710167371A CN107059954B CN 107059954 B CN107059954 B CN 107059954B CN 201710167371 A CN201710167371 A CN 201710167371A CN 107059954 B CN107059954 B CN 107059954B
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- support leg
- sediment thickness
- bored piles
- pedestal
- thickness detection
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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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- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a kind of bored piles bottom sediment thickness detection device and methods, including pedestal and at least three support leg for being used to support pedestal, pedestal to be connect with support leg, and spaced at least two groove up and down is offered on the outer surface of support leg.Energy of the invention is quick, convenient, accurately measures sediment thickness, and clever structure, measurement method is unique novel, improves the construction quality of drilled pile.
Description
Technical field
The present invention relates to detection bored piles bottom sediment thickness fields, and in particular to a kind of bored piles bottom sediment thickness is examined
Survey device.
Background technology
Drilled pile is that pile-type is often used in architectural engineering, and wherein pile bottom sediment thickness influences pile bearing capacity huge, as core pulling takes
The unqualified then post-processing of sample is extremely difficult.For a long time, sediment thickness is often sash weight method with detection method in work progress, but
Sash weight method disadvantage is apparent, and the reflection feel for referring mainly to operating personnel's light with weight shock stake bottom judges, without objective quantification
Standard, it is difficult to control, quality does not have science guarantee.Occurs ultrasonic thickness detector in the recent period, but input is larger, current
It is difficult to promote under national conditions.Present specification further increases pile bottom sediment thickness requirement, and rower JGJ94-2008 sinks friction pile
Slag thickness drops to 10 ㎝ by 30 ㎝, end-bearing pile sediment thickness is dropped to 5 ㎝ by 10 ㎝, construction and detection difficulty increase, and industry is compeled
It is essential and wants a kind of efficient detection means of simple quantization, to ensure the quality project of vital and lasting importance of construction project foundation pile.
To solve the above-mentioned problems, Patent No. CN201210502371.0, the present invention are a kind of Pile bottoms
The measurement device of sediment thickness, belong to cast-in-situ bored pile detection device, its main feature is that the measurement device mainly by measurement bucket, flashboard,
Main lifting rope and drawstring composition, the measurement bucket are mainly formed by integrated staving and bucket bottom is made again, which is the cavity being vertically arranged
Rectangular body, bucket bottom are quadrangle conical surface bottom, rectangular slurry-feeding hole are opened up in the middle and lower part of staving right side, on the right side of staving
The middle and lower part in face corresponds to be located at rectangle slurry-feeding hole before and after the outside left of hole edge be symmetrically vertically welded sliding slot, it is front and back sliding herein
Be slidably installed rectangular flashboard in slot, and is welded gag lever post in the top end part level of this flashboard, the middle part on this flashboard top
Be welded hanging ring and be to connect drawstring on hanging ring, opens up osculum respectively in the middle and lower part of staving front and back sides and pacifies on osculum
Filter screen is filled, fixing system in staving top end part connects main lifting rope.In use, pull-up drawstring, first lifts flashboard, it incite somebody to action this with main lifting rope
Measurement device is put into Pile hole bottom and sinks in a bed load slurry, will after mortar after slurry-feeding hole flows into staving
Drawstring is put down, and shuts flashboard, takes out out of stake holes this measurement device with main lifting rope, sediment depth in barrel bottom is measured with ruler.It should
Method measurement accuracy is poor, it is low to measure complexity, efficiency.
Invention content
In view of this, a kind of bored piles bottom sediment thickness detection device of present invention proposition and method, in order to quickly, just
Victory accurately measures sediment thickness, improves detection efficiency and measurement accuracy.
On the one hand, it the present invention provides a kind of bored piles bottom sediment thickness detection device, including pedestal and is used to support
At least three support leg of pedestal, pedestal are connect with support leg, offered on the outer surface of support leg up and down it is spaced extremely
Few two grooves.
In order to improve measurement accuracy, in further technical solution, all support legs are arranged symmetrically along pedestal center line,
Each support leg tilts outward, and spaced at least two groove up and down is offered on the outer surface of each support leg.
In order to improve measurement accuracy, in further technical solution, offer conical bore on pedestal, above conical bore in
Diameter is more than internal diameter below conical bore.
In order to improve measurement accuracy, in further technical solution, offered on pedestal lower surface for fixed branch
The threaded hole of spike, threaded hole tilt outward；Support leg upper end is thread segment, and the thread segment of support leg is threaded into hole.
In order to improve measurement accuracy, in further technical solution, support leg is inclined outwardly 10 °.
In order to improve measurement accuracy, in further technical solution, film is posted in groove.
In further technical solution, film is double faced adhesive tape or thin paper.
In further technical solution, hanging ring is provided on pedestal.
On the other hand, the present invention also provides a kind of bored piles bottom sediment thickness detection methods, including above-mentioned drilling
Stake pile bottom sediment thickness detection apparatus, film is sticked in groove；It includes the following steps：
Step 1：Lifting rope is tied up in the sediment thickness detection device of bored piles bottom, then by bored piles bottom sediment thickness
Detection device is put into the stake bottom of drilled pile；
Step 2：Its is allowed freely to fall after promoting bored piles bottom sediment thickness detection device, it is repeated multiple times；
Step 3：Bored piles bottom sediment thickness detection device is proposed into ground, detects each breakage of thin film applied of each support leg
Situation；
Step 4：The top film of each support leg is measured respectively with ruler to the distance for supporting foot bottom, takes each support
The average value of foot measured value is sediment thickness.
On the other hand, the present invention also provides another bored piles bottom sediment thickness detection methods, including above-mentioned brill
Hole stake pile bottom sediment thickness detection apparatus；It includes the following steps：
Step 1：Lifting rope is tied up in the sediment thickness detection device of bored piles bottom, then by bored piles bottom sediment thickness
Detection device is put into the stake bottom of drilled pile；
Step 2：Its is allowed freely to fall after promoting bored piles bottom sediment thickness detection device, it is repeated multiple times；
Step 3：Bored piles bottom sediment thickness detection device is proposed into ground, detects each groove deposition of each support leg
Slag situation；
Step 4：The groove of the top deposition slag of each support leg is measured respectively with ruler to the distance for supporting foot bottom, is taken
The average value of each support leg measured value is sediment thickness.
Energy of the invention is quick, convenient, accurately measures sediment thickness, and clever structure, measurement method is unique novel, improves and bores
The construction quality of hole stake.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is a kind of bored piles bottom sediment thickness structure of the detecting device schematic diagram of the present invention；
Fig. 2 is the support leg structure schematic diagram of Fig. 1.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
With reference to Fig. 1 and Fig. 2, the preferred embodiment of the present invention is described in further detail.
As depicted in figs. 1 and 2, the present invention provides a kind of bored piles bottom sediment thickness detection devices, including 1 He of pedestal
3 support legs 2 of pedestal are used to support, pedestal 1 is connect with support leg 2.Offered on the outer surface of support leg 2 between the upper and lower every
4 grooves 6 of arrangement.4 grooves 6 are annular groove, represent the scale of different depth.3 support legs 2 are along 1 center of pedestal
Line is arranged symmetrically, and each support leg 2 tilts outward, and upper and lower spaced 4 are offered on the outer surface of each support leg 2
A groove 6.3 support legs 2 are arranged symmetrically along pedestal center line, it is ensured that whole device is vertically pierced into sediment layer.
As shown in Figure 1, being provided with hanging ring 3 on pedestal 1, hanging ring 3 is for being lifting rope.Conical bore 4 is offered on pedestal 1,
4 top internal diameter of conical bore is more than 4 lower section internal diameter of conical bore, it is ensured that in use, mud can be from sky for detection device
Chamber is gushed out, and detection will not topple.
The threaded hole for fixed supporting foot 2 is offered on 1 lower surface of pedestal, threaded hole tilts outward, support leg 2
Upper end is thread segment 5, and the thread segment 5 of support leg is threaded into hole.Support leg 2 is inclined outwardly 10 °.Support leg 2 is inclined outwardly
Bored piles bottom sediment thickness detection device can be improved to put to the stability at stake bottom, meanwhile, support leg 2 is inclined outwardly 10 °, branch
When spike 2 is pierced into sediment layer, sediment layer original state is disturbed less, while fully rubbing with sediment layer, leaves truthful data, improves and surveys
Measure the precision of sediment thickness.
Film can be sticked at groove 6, can not also be pasted, and film is double faced adhesive tape or thin paper.If sticking film, film
It is destroyed after rubbing with sediment layer, leaves the data that can intuitively examine.The selection of film thickness and intensity is considered as preventing a bottom water
Film is caused to be destroyed with air agitation.
On the other hand, the present invention also provides a kind of bored piles bottom sediment thickness detection methods, including above-mentioned drilling
Stake pile bottom sediment thickness detection apparatus, film is sticked in 46 positions of groove of each support leg 2；It includes the following steps：
Step 1：Lifting rope is tied up in the sediment thickness detection device of bored piles bottom, the lifting rope other end ties up to fixed outside stake holes
On object, then bored piles bottom sediment thickness detection device is at the uniform velocity put into the stake bottom of drilled pile；
Step 2：Bored piles bottom sediment thickness detection device 100mm or so is promoted, then its is allowed freely to fall, followed repeatedly
Ring ten to 20 times ensures that support leg 2 fully rubs with sediment；
Step 3：Bored piles bottom sediment thickness detection device is proposed into ground, rag is used in combination to clean 2 surface of support leg, is examined
Survey 2 each breakage of thin film applied situation of each support leg；
Step 4：The top film of each support leg 2 is measured respectively with ruler to the distance of 2 bottom of support leg, takes each
The average value of 2 measured value of spike is sediment thickness.
On the other hand, the present invention also provides another bored piles bottom sediment thickness detection methods, including above-mentioned brill
Hole stake pile bottom sediment thickness detection apparatus；Groove does not paste film comprising following steps：
Step 1：Lifting rope is tied up in the sediment thickness detection device of bored piles bottom, the lifting rope other end ties up to fixed outside stake holes
On object, then bored piles bottom sediment thickness detection device is at the uniform velocity put into the stake bottom of drilled pile；
Step 2：Bored piles bottom sediment thickness detection device 100mm or so is promoted, then its is allowed freely to fall, followed repeatedly
Ring ten to 20 times ensures that support leg 2 fully rubs with sediment；Each 2 each groove of support leg can leave sediment.
Step 3：Bored piles bottom sediment thickness detection device is proposed into ground, rag is used in combination to clean 2 surface of support leg, is examined
Survey 2 each groove of each support leg, 6 deposition slag situation；
Step 4：The groove 6 of the top deposition slag of each support leg is measured respectively with ruler to the distance of 2 bottom of support leg,
It is sediment thickness to take the average value of 2 measured value of each support leg.
Energy of the invention is quick, convenient, accurately measures sediment thickness, and clever structure, measurement method is unique novel, improves and bores
The construction quality of hole stake.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (1)
1. a kind of bored piles bottom sediment thickness detection method, including bored piles bottom sediment thickness detection device is used to be examined
It surveys, the bored piles bottom sediment thickness detection device includes pedestal and is used to support at least three support leg of pedestal, pedestal
It is connect with support leg, all support legs are arranged symmetrically along pedestal center line, and each support leg tilts outward, each support leg
Spaced at least two groove up and down is offered on outer surface, and conical bore, conical bore top internal diameter are offered on pedestal
More than internal diameter below conical bore, the threaded hole for fixed supporting foot is offered on pedestal lower surface, threaded hole rolls outward
Tiltedly；The upper end of the support leg is thread segment, and the thread segment of support leg is threaded into hole, and support leg is inclined outwardly 10 °, described
Groove post film, film is double faced adhesive tape or thin paper, and hanging ring is provided on the pedestal；It is characterized by comprising following steps
Suddenly：
Step 1：Lifting rope is tied up in the sediment thickness detection device of bored piles bottom, is then detected bored piles bottom sediment thickness
Device is put into the stake bottom of drilled pile；
Step 2：Its is allowed freely to fall after promoting bored piles bottom sediment thickness detection device, it is repeated multiple times；
Step 3：Bored piles bottom sediment thickness detection device is proposed into ground, detects each breakage of thin film applied feelings of each support leg
Condition；
Step 4：The top breakage film of each support leg is measured respectively with ruler to the distance for supporting foot bottom, takes each support
The average value of foot measured value is sediment thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710167371.2A CN107059954B (en) | 2017-03-20 | 2017-03-20 | A kind of bored piles bottom sediment thickness detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710167371.2A CN107059954B (en) | 2017-03-20 | 2017-03-20 | A kind of bored piles bottom sediment thickness detection device and method |
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| CN107059954A CN107059954A (en) | 2017-08-18 |
| CN107059954B true CN107059954B (en) | 2018-07-20 |
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| CN110285738A (en) * | 2019-05-24 | 2019-09-27 | 中国建筑第二工程局有限公司 | A kind of pile bottom sediment detection device and detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120073363A1 (en) * | 2010-09-23 | 2012-03-29 | John Ding | Ding Inspection Device |
| CN204703202U (en) * | 2015-05-22 | 2015-10-14 | 中冶建工集团有限公司 | Cast-in-place concrete pile sediment measurement mechanism |
| CN105277096A (en) * | 2014-07-22 | 2016-01-27 | 葛洲坝集团第六工程有限公司 | Apparatus for measuring thickness of sediment layer of rotary excavating bored pile |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202989927U (en) * | 2012-12-04 | 2013-06-12 | 中建三局建设工程股份有限公司 | Pore-forming bottom sediment detector for rotary drilling pile |
| CN203639959U (en) * | 2013-12-20 | 2014-06-11 | 瑞和安惠项目管理集团有限公司 | Pile-hole sediment thickness detector for engineering supervision |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120073363A1 (en) * | 2010-09-23 | 2012-03-29 | John Ding | Ding Inspection Device |
| CN105277096A (en) * | 2014-07-22 | 2016-01-27 | 葛洲坝集团第六工程有限公司 | Apparatus for measuring thickness of sediment layer of rotary excavating bored pile |
| CN204703202U (en) * | 2015-05-22 | 2015-10-14 | 中冶建工集团有限公司 | Cast-in-place concrete pile sediment measurement mechanism |
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