CN108360524A - One kind preventing superfilled device and its application method - Google Patents
One kind preventing superfilled device and its application method Download PDFInfo
- Publication number
- CN108360524A CN108360524A CN201810162186.9A CN201810162186A CN108360524A CN 108360524 A CN108360524 A CN 108360524A CN 201810162186 A CN201810162186 A CN 201810162186A CN 108360524 A CN108360524 A CN 108360524A
- Authority
- CN
- China
- Prior art keywords
- mesh sheet
- cyclic annular
- drilling
- ring
- superfilled
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
Abstract
The invention discloses one kind preventing superfilled device and its application method.Its key points of the technical solution are that including cyclic annular mesh sheet and transmission rod；The ring-type mesh sheet is positioned over the anchor bar upper surface of steel reinforcement cage in drilling, and the outer diameter and bore diameter of the ring-type mesh sheet are essentially identical, and internal diameter is more than the outer diameter of perfusion conduit；Being sized to of the grid of cyclic annular mesh sheet allows concrete slurry to pass through, but the coarse aggregate of concrete cannot be allowed to pass through；One end of transmission rod is vertically fixed in the upper surface of cyclic annular mesh sheet, and the other end is exposed at outside the aperture of drilling.When worker observes transmission rod movement, stop the perfusion of concrete.And the apparatus structure is simple, and pile foundation can be effectively prevent superfilled；This method is easy to operate, economy.
Description
Technical field
The present invention relates to the constructions of pile foundation filling concrete, more particularly to a kind of to prevent superfilled device and its application method.
Background technology
For cast-in-situ bored pile because of its reliable in quality, construction technology is simple, and geological adaptability is strong and is widely used in bridge, high level
In architectural engineering.Its construction technology is that steel reinforcement cage is then put into hole in surface drilling, and perfusion conduit is then stretched into hole
Bottom, from conduit into drilling concrete perfusion.Stake top absolute altitude is designed since under normal circumstances, ground elevation is more than, such as big by 5~
10m, it is therefore desirable in filling concrete, coagulation natives top surface absolute altitude is monitored, no it will cause superfilled phenomenons.
Currently, there are mainly two types of the methods monitored to drilled pile top of concrete absolute altitude, a kind of traditional plummet measurement, separately
One is using novel electrons monitors such as " filling carefree ".
Plummet measurement is measured with the plummet of lining rope by one.Plummet by being manually put into drilling, when
When plummet touches concrete slurry, the speed that plummet declines can be slack-off, and survey crew confirms concrete by the different of feel
The absolute altitude in face.This measurement method precision is not high, and since it is with hysteresis quality, i.e., ought estimate concrete and reach designed elevation
When, measurement is just proceeded by, so the concrete-pile height of final molding differs, causes a large amount of wastes of concrete.
Although the accuracy that novel electron monitor measures is high, its cost is higher.
Invention content
The object of the present invention is to provide one kind preventing superfilled device, and the apparatus structure is simple, can be to drilling inner concrete top
Face is monitored, and effectively prevent pile foundation superfilled.
It is a further object to provide a kind of application methods for preventing superfilled device, and this method is easy to operate, can
Top of concrete is intuitively monitored, effectively prevent pile foundation superfilled.
The present invention above-mentioned technical purpose technical scheme is that：
One kind preventing that superfilled device includes cyclic annular mesh sheet and transmission rod；The ring-type mesh sheet is positioned over the anchoring steel of steel reinforcement cage in drilling
Muscle upper surface, the outer diameter and bore diameter of the ring-type mesh sheet are essentially identical, and internal diameter is more than the outer diameter of perfusion conduit；Cyclic annular mesh sheet
Grid be sized to allow concrete slurry to pass through, but the coarse aggregate of concrete cannot be allowed to pass through；One end of transmission rod is vertical
It is fixed in the upper surface of cyclic annular mesh sheet, the other end is exposed at outside the aperture of drilling.
By using above-mentioned technical proposal, when worker observes transmission rod movement, stop the perfusion of concrete, it can be effective
Prevent pile foundation superfilled；And the apparatus structure is simple, is easy to observe.
Preferably, the interior ring-side wall of the cyclic annular mesh sheet is provided with a circle Flexible brush, one end of Flexible brush with it is described
Interior ring-side wall is affixed, and one end is abutted with the outer wall of perfusion conduit.
By using above-mentioned technical proposal, when using the perfusion conduit of more piece splicing, it is ensured that perfusion conduit can
Under the premise of smoothly extracting, ensure the accuracy of anti-device for casting monitoring.
Preferably, further include the more guide rods being vertically obliquely installed, the bottom end of guide rod is fixed in cyclic annular mesh sheet
Inner ring surrounding；More guide rods form inverted cone shape, and the inner ring of the cyclic annular mesh sheet of conduit importing will be perfused to facilitate.
By using above-mentioned technical proposal, the inner ring of the cyclic annular mesh sheet of conduit importing will be perfused by facilitating.
Preferably, the top of the transmission rod is provided with hook, and hook hooks on well-head frame.
By using above-mentioned technical proposal, reinforce the stability for preventing superfilled device, it is easier to observe the sound of transmission rod；Together
When hook also facilitate anti-superfilled device be put into and hang out drilling lifting operation.
Preferably, the top of the transmission rod is provided with horizontal pressure foot.
By using above-mentioned technical proposal counterweight can be carried out to it when entirely preventing the lighter weight of superfilled device, from
And improve the accuracy of monitoring.
Preferably, the size of the grid is 10~15mm.
By using above-mentioned technical proposal, which is suitable for the perfusion of normal concrete and pea gravel concreten.
Preferably, the outer diameter of the cyclic annular mesh sheet is smaller 20~30mm than the diameter of drilling.
By using above-mentioned technical proposal, cyclic annular mesh sheet was both facilitated to be put into drilling, and can also prevent coarse aggregate from ring network
Gap outflow between piece and borehole wall.
Preferably, the upper surface or lower surface of the cyclic annular mesh sheet are provided with reinforcement rib.
By using above-mentioned technical proposal, the intensity of cyclic annular mesh sheet is improved, improves the number of reuse.
Preferably, the cyclic annular mesh sheet is welded using plain bar.
By using above-mentioned technical proposal, it is easy to draw materials, and concrete slurry can more successfully be flowed out from grid,
Improve the accuracy of monitoring.
A kind of application method for preventing superfilled device, it is characterised in that：Include the following steps：
It is put into steel reinforcement cage in the borehole；Anti- superfilled device is hung in drilling, cyclic annular mesh sheet is made to be placed in the anchor bar of steel reinforcement cage
Upper surface, transmission rod expose aperture；Perfusion conduit is put into drilling, after the inner ring of cyclic annular mesh sheet passes through, decentralization is to connecing
Adjacent pores bottom；The concrete perfusion into drilling；When observing that the top of transmission rod moves up, stop the perfusion of concrete, dials
Go out to be perfused conduit and prevents superfilled device.
By using above-mentioned technical proposal, this method is easy to operate, can intuitively be monitored, is had to top of concrete
Effect prevents pile foundation superfilled.
In conclusion the invention has the advantages that：
1, the apparatus structure is simple, can be monitored to drilling inner concrete top surface, effectively prevent pile foundation superfilled；
2, the device is easy to process, can reuse, economy；
3, increase guide rod and the device of hook is more convenient to use；
4, the setting of Flexible brush and horizontal pressure foot further improves the accuracy of monitoring；
5, the monitoring method is easy to operate, and compared to the method that plummet measures, which does not have hysteresis quality, monitoring more straight
It sees, is more economically saved compared to novel electron monitor.
Description of the drawings
Fig. 1 is the status diagram prevented superfilled device and be installed in drilling；
Fig. 2 is to prevent superfilled device overall structure diagram.
In figure, 1, cyclic annular mesh sheet；11, reinforce rib；2, transmission rod；21, it links up with；3, it drills；31, aperture；4, steel reinforcement cage；
5, anchor bar；6, conduit is perfused；61, splice flange；7, well-head frame；8, horizontal pressure foot；9, Flexible brush；10, guide rod；101、
Enclose muscle.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.The identical reference numeral of wherein identical parts
It indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom surface " and
" top surface " refers to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from geometric center of specific component
Direction.
As shown in Figures 1 and 2, a kind of to prevent superfilled device, including cyclic annular mesh sheet 1 and transmission rod 2；Cyclic annular mesh sheet 1 is positioned over
5 upper surface of anchor bar of steel reinforcement cage 4 in drilling 3；One end of transmission rod 2 is vertically fixed in the upper surface of cyclic annular mesh sheet 1, another
End is exposed at outside the aperture 31 of drilling 3.The outer diameter of cyclic annular mesh sheet 1 and 3 diameters of drilling are essentially identical, such as can be than drilling 3
Small 20~the 30mm of diameter.Cyclic annular mesh sheet 1 is set in the outside of perfusion conduit 6, and internal diameter is more than the outer diameter of perfusion conduit 6, such as
Can be bigger 20~30mm than the outer diameter of the outer diameter of perfusion conduit 6.The grid of cyclic annular mesh sheet 1 is sized to allow concrete slurry
Pass through, but the coarse aggregate of concrete cannot be allowed to pass through, since the maximum size of coarse aggregate of normal concrete is 31.5mm, microlith is mixed
The maximum size of coarse aggregate for coagulating soil is 15mm, so preferably, the size of grid is 10~15mm.
When the top of concrete in drilling 3 reaches cyclic annular 1 position of mesh sheet, the laitance of concrete passes through out of grid, when
When the coarse aggregate of concrete reaches cyclic annular 1 position of mesh sheet, stopped by cyclic annular mesh sheet 1, the coarse aggregate of subsequent concrete drives ring-type
Mesh sheet 1 moves up, and transmission rod 2 also moves up therewith, when worker observes that transmission rod 2 moves, it was demonstrated that concrete coarse aggregate
Top surface have reached steel reinforcement cage 4 anchor bar 5 upper surface location.At this point it is possible to stop the perfusion of concrete.
As shown in Figure 1, the vertical main reinforcement that the anchor bar 5 of steel reinforcement cage 4 is steel reinforcement cage 4 extends to outside pile body, stake is exposed to
A part of reinforcing bar of base top surface, for being attached with the structure on pile foundation top.The length of anchor bar 5 is generally and Pile Diameter
Identical, when anti-superfilled device is jacked up by concrete, the superfilled length of concrete is identical as the length of anchor bar 5, substantially with
It requires superfilled length to coincide in pile foundation construction specification, so this prevents that superfilled device can effectively prevent pile foundation superfilled, reaches
It controls pile foundation quality and saves the purpose of concrete amount.And this prevent superfilled device also have it is simple in structure, be easy to observe, not have
There is hysteresis quality.
As shown in Fig. 2, cyclic annular mesh sheet 1 may be used plain bar and be welded.For example, outer shroud and inner ring are all made of φ 18
Reinforcing bar be made, grid using φ 6 reinforcing bar anyhow weld be made.Certainly, cyclic annular mesh sheet 1 can also be added using hard plastic material products
Work is molded.
As shown in Fig. 2, the materials such as bar reinforcement or steel pipe can may be used in transmission rod 2, for example, by using the steel of φ 20~28
Muscle.Transmission rod 2 can be single or more.It will prevent that superfilled device is put into drilling 3 for convenience, transmission rod 2 is preferably two,
With the setting substantially symmetrical about its central axis of drilling 3, it is located at the centre position of the inner ring and outer shroud of cyclic annular mesh sheet 1.
As shown in Fig. 2, in order to reinforce the rigidity of cyclic annular mesh sheet 1, can be arranged in the upper surface of cyclic annular mesh sheet 1 or lower surface
Reinforce rib 11, reinforces the reinforcing bar that rib 11 can be thicker, for example, by using the reinforcing bar of φ 18.
Transmission rod 2 can be welded on fabricated bar, but be preferably welded on and reinforced on rib 11.
When as shown in Figures 1 and 2, due to concrete perfusion, well-head frame 7 can be set up to facilitate the peace of conduit in aperture 31
Dress.Therefore, it is preferable that the top of transmission rod 2 is provided with hook 21, hook 21 hooks on well-head frame 7, and further reinforcement is anti-super
The stability of filling device.And transmission rod 2, when moving up, hook 21 can be detached from well-head frame 7, it is easier to it observes, it is convenient instant
Stop the perfusion of concrete.
As shown in Figure 1, when entirely preventing the lighter weight of superfilled device, if the speed of concrete perfusion, coagulation
When the top surface of the laitance of soil reaches cyclic annular mesh sheet 1, it is also possible to which anti-superfilled device is jacked up.So such case in order to prevent
Occur, can horizontal pressure foot 8 be set on the top of transmission rod 2, by carrying out counterweight appropriate on horizontal pressure foot 8.Level pressure
Plate 8 can be welded to the steel plate on the top of transmission rod 2.
Due in the prior art, being perfused there are two types of conduits 6, one is single seamless steel pipe, which is suspended in midair using crane,
Concrete conveyance is carried out with pump truck；Another kind is the conduit of more piece splicing.
When using seamless steel pipe as conduit, outer diameter is consistent, as long as so the annular diameters of cyclic annular mesh sheet 1 are slightly larger than
6 outer diameter of conduit is perfused.
As shown in Figure 1, when using the conduit of more piece splicing, need during concrete perfusion will to be perfused conduit 6 by
Section, which is extracted, to be removed.Splicing flange 61 is provided at both ends with due to conduit, splices outer diameter of the outer diameter of flange 61 than conduit 6 is perfused
Greatly.So the internal diameter of cyclic annular mesh sheet 1 needs the outer diameter for being more than splicing flange 61.But the internal diameter and catheter outer diameter of ring-type mesh sheet 1
Between gap it is too big when, the coarse aggregate of concrete can flow into the upper surface of cyclic annular mesh sheet 1 out of this gap, influence anti-perfusion and fill
Set the accuracy monitored to top of concrete.
As shown in Fig. 2, generation in order to prevent the situation, it is flexible can be arranged a circle in the interior ring-side wall of cyclic annular mesh sheet 1
Brush 9, one end of Flexible brush 9 and the interior ring-side wall are affixed, and one end is abutted with the outer wall of perfusion conduit 6.Flexible brush 9 may be used
Steel wire or steel strand wires etc. are made.
When extracting perfusion conduit 6 during concrete perfusion, splicing flange 61 can overcome the resistance of Flexible brush 9 upward
It is mobile.When the top surface of the coarse aggregate of concrete reaches cyclic annular 1 position of mesh sheet, Flexible brush 9 can stop coarse aggregate from ring network
It is flowed out in gap between the internal diameter and catheter outer diameter of piece 1, to ensure that the accuracy of anti-device for casting monitoring.
As shown in Fig. 2, due in use, prevents that superfilled device needs first to be put into drilling 3, then again lead perfusion
Pipe 6 is put into drilling 3, so during the decentralization of conduit 6 is perfused, it may appear that perfusion conduit 6, which can not be successfully, penetrates cyclic annular mesh sheet 1
Inner ring the case where.In order to solve this problem, which further includes the more guide rods being vertically obliquely installed 10, can be four
Root.The bottom end of guide rod 10 is fixed in the surrounding of the inner ring of cyclic annular mesh sheet 1；More guide rods 10 form inverted cone shapes, with facilitate by
Perfusion conduit 6 imports the inner ring of cyclic annular mesh sheet 1.The top of wherein two guide rods 10 can be welded with two transmission rods 2.Into one
Step ground, the top of four guide rods 10 may be used a circle muscle 101 and be attached reinforcement.
Prevent that the application method of superfilled device includes the following steps：
S1, it is put into steel reinforcement cage 4 in drilling 3；
S2, anti-superfilled device is hung in drilling 3, cyclic annular mesh sheet 1 is made to be placed in the upper surface of the anchor bar 5 of steel reinforcement cage 4, power transmission
Bar 2 exposes aperture 31, and the hook 21 on 2 top of transmission rod hooks on well-head frame 7；
S3, perfusion conduit 6 is put into drilling 3, after guide rod 10, is passed through from the inner ring of cyclic annular mesh sheet 1, transferred to close
Hole bottom；
S4, the concrete perfusion into drilling 3, according to the estimation of concrete square amount, when top of concrete is close to cyclic annular mesh sheet 1,
Slow down rate of flooding；When using the perfusion conduit 6 of more piece splicing, part perfusion conduit 6 is extracted and divided in filling process
Section is removed；
S5, when observing that the top of transmission rod 2 moves up（Or when 21 disengaging well-head frame 7 of hook）, stop the perfusion of concrete,
It transfers to perfusion conduit 6 and prevents superfilled device.
This method is easy to operate, can intuitively be monitored to top of concrete, effectively prevent pile foundation superfilled.Compared to survey
Hammer the method measured into shape, which does not have hysteresis quality, monitoring more intuitive.It is more economically saved compared to novel electron monitor
About.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (10)
1. one kind preventing superfilled device, it is characterised in that：
Including cyclic annular mesh sheet（1）And transmission rod（2）；
The ring-type mesh sheet（1）It is positioned over drilling（3）Interior steel reinforcement cage（4）Anchor bar（5）Upper surface, the ring-type mesh sheet
（1）Outer diameter and drilling（3）Diameter is essentially identical, and internal diameter is more than perfusion conduit（6）Outer diameter；Cyclic annular mesh sheet（1）Grid
It is sized to that concrete slurry is allowed to pass through, but the coarse aggregate of concrete cannot be allowed to pass through；
Transmission rod（2）One end be vertically fixed in cyclic annular mesh sheet（1）Upper surface, the other end is exposed at drilling（3）Aperture（31）
Outside.
2. a kind of anti-superfilled device according to claim 1, it is characterised in that：
The ring-type mesh sheet（1）Interior ring-side wall be provided with a circle Flexible brush（9）, Flexible brush（9）One end and interior ring-side wall it is solid
It connects, one end and perfusion conduit（6）Outer wall abut.
3. a kind of anti-superfilled device according to claim 1, it is characterised in that：
Further include the more guide rods being vertically obliquely installed（10）, guide rod（10）Bottom end be fixed in cyclic annular mesh sheet（1）It is interior
The surrounding of ring；
More guide rods（10）Inverted cone shape is formed, conduit will be perfused to facilitate（6）Import cyclic annular mesh sheet（1）Inner ring.
4. a kind of anti-superfilled device according to claim 1, it is characterised in that：
The transmission rod（2）Top be provided with hook（21）, hook（21）It hooks in well-head frame（7）On.
5. a kind of anti-superfilled device according to claim 1, it is characterised in that：
The transmission rod（2）Top be provided with horizontal pressure foot（8）.
6. a kind of anti-superfilled device according to claim 1, it is characterised in that：
The size of the grid is 10~15mm.
7. a kind of anti-superfilled device according to claim 1, it is characterised in that：
The ring-type mesh sheet（1）Outer diameter than drilling（3）The small 20~30mm of diameter.
8. a kind of anti-superfilled device according to claim 1, it is characterised in that：
The ring-type mesh sheet（1）Upper surface or lower surface be provided with reinforcement rib（11）.
9. a kind of anti-superfilled device according to claim 1, it is characterised in that：
The ring-type mesh sheet（1）It is welded using plain bar.
10. a kind of application method for preventing superfilled device, it is characterised in that：Include the following steps：
It is drilling（3）In be put into steel reinforcement cage（4）；Anti- superfilled device is hung in into drilling（3）It is interior, make cyclic annular mesh sheet（1）It is placed in reinforcing bar
Cage（4）Anchor bar（5）Upper surface, transmission rod（2）Expose aperture（31）；Conduit will be perfused（6）It is put into drilling（3）It is interior,
From cyclic annular mesh sheet（1）Inner ring pass through after, decentralization is to access hole bottom；To drilling（3）Interior concrete perfusion；Observe transmission rod
（2）Top when moving up, stop the perfusion of concrete, transfer to perfusion conduit（6）With anti-superfilled device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162186.9A CN108360524A (en) | 2018-02-27 | 2018-02-27 | One kind preventing superfilled device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810162186.9A CN108360524A (en) | 2018-02-27 | 2018-02-27 | One kind preventing superfilled device and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108360524A true CN108360524A (en) | 2018-08-03 |
Family
ID=63003105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810162186.9A Pending CN108360524A (en) | 2018-02-27 | 2018-02-27 | One kind preventing superfilled device and its application method |
Country Status (1)
| Country | Link |
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| CN (1) | CN108360524A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881721A (en) * | 2019-03-25 | 2019-06-14 | 北京城建华夏基础建设工程有限公司 | A kind of device and its application method that detection concrete is superfilled |
| CN112982923A (en) * | 2021-03-11 | 2021-06-18 | 西南交通建设集团股份有限公司 | Pile foundation construction platform |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB910824A (en) * | 1959-01-19 | 1962-11-21 | Arenco Alite Ltd | Improvements in filling machinery |
| CN102995642A (en) * | 2012-12-26 | 2013-03-27 | 广西建工集团第三建筑工程有限责任公司 | Underwater concrete spouting laitance prevention water-proof device |
| CN103015427A (en) * | 2012-12-28 | 2013-04-03 | 中铁二十四局集团有限公司 | Hole pile underwater concrete pouring positioning device and positioning device thereof |
| CN205329695U (en) * | 2015-11-09 | 2016-06-22 | 中铁十四局集团有限公司 | Pile foundation concrete surpasses irritates early warning device |
| CN106522288A (en) * | 2016-12-13 | 2017-03-22 | 中北大学 | Control device for level of underwater concrete cast-in-place pile and use method thereof |
| CN208105272U (en) * | 2018-02-27 | 2018-11-16 | 北京城建华夏基础建设工程有限公司 | One kind preventing superfilled device |
-
2018
- 2018-02-27 CN CN201810162186.9A patent/CN108360524A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB910824A (en) * | 1959-01-19 | 1962-11-21 | Arenco Alite Ltd | Improvements in filling machinery |
| CN102995642A (en) * | 2012-12-26 | 2013-03-27 | 广西建工集团第三建筑工程有限责任公司 | Underwater concrete spouting laitance prevention water-proof device |
| CN103015427A (en) * | 2012-12-28 | 2013-04-03 | 中铁二十四局集团有限公司 | Hole pile underwater concrete pouring positioning device and positioning device thereof |
| CN205329695U (en) * | 2015-11-09 | 2016-06-22 | 中铁十四局集团有限公司 | Pile foundation concrete surpasses irritates early warning device |
| CN106522288A (en) * | 2016-12-13 | 2017-03-22 | 中北大学 | Control device for level of underwater concrete cast-in-place pile and use method thereof |
| CN208105272U (en) * | 2018-02-27 | 2018-11-16 | 北京城建华夏基础建设工程有限公司 | One kind preventing superfilled device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881721A (en) * | 2019-03-25 | 2019-06-14 | 北京城建华夏基础建设工程有限公司 | A kind of device and its application method that detection concrete is superfilled |
| CN112982923A (en) * | 2021-03-11 | 2021-06-18 | 西南交通建设集团股份有限公司 | Pile foundation construction platform |
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