CN208105272U - One kind preventing superfilled device - Google Patents
One kind preventing superfilled device Download PDFInfo
- Publication number
- CN208105272U CN208105272U CN201820279110.XU CN201820279110U CN208105272U CN 208105272 U CN208105272 U CN 208105272U CN 201820279110 U CN201820279110 U CN 201820279110U CN 208105272 U CN208105272 U CN 208105272U
- Authority
- CN
- China
- Prior art keywords
- mesh sheet
- ring
- cyclic annular
- concrete
- transmission rod
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses one kind to prevent superfilled device.Its key points of the technical solution are that including cyclic annular mesh sheet and transmission rod；The ring-type mesh sheet is placed in the anchor bar upper surface for the interior steel reinforcement cage that drills, and the outer diameter and bore diameter of the ring-type mesh sheet are essentially identical, and internal diameter is greater than the outer diameter of perfusion conduit；The size of the grid of cyclic annular mesh sheet can allow 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 that transmission rod is mobile, stop the perfusion of concrete.The apparatus structure is simple, can be monitored to drilling inner concrete top surface, effectively prevent pile foundation superfilled.
Description
Technical field
The utility model relates to the constructions of pile foundation filling concrete, in particular to one kind prevents superfilled device.
Background technique
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 protruded into hole
Bottom, from conduit into drilling concrete perfusion.Stake top absolute altitude is designed since under normal circumstances, ground elevation is greater than, such as big by 5~
10m, it is therefore desirable in filling concrete, coagulation natives top surface absolute altitude is monitored, otherwise will cause superfilled phenomenon.
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 to be measured by one with the plummet of lining rope.Plummet, which passes through, to be manually put into drilling, when
When plummet touches concrete slurry, the speed of plummet decline can be slack-off, the different confirmation concrete that survey crew passes through 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, just start to measure, so the concrete-pile height of final molding is different, causes a large amount of wastes of concrete.
Although the accuracy of novel electron monitor measurement is high, its higher cost.
Utility model content
The purpose of the utility model is to provide one kind to prevent superfilled device, and the apparatus structure is simple, can be to coagulation in drilling
Native top surface is monitored, and effectively prevent pile foundation superfilled.
The above-mentioned technical purpose of the utility model technical scheme is that：
One kind preventing that superfilled device includes cyclic annular mesh sheet and transmission rod；The ring-type mesh sheet is placed in the anchor for the interior steel reinforcement cage that drills
Gu reinforcing bar upper surface, the outer diameter and bore diameter of the ring-type mesh sheet are essentially identical, and internal diameter is greater than the outer diameter of perfusion conduit；It is cyclic annular
The size of the grid of mesh sheet can allow concrete slurry to pass through, but the coarse aggregate of concrete cannot be allowed to pass through；One end of transmission rod
It is vertically 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 that transmission rod is mobile, 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, guarantee the accuracy of anti-device for casting monitoring.
It 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 prevent 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, when entirely preventing the lighter weight of superfilled device, counterweight can be carried out to it, 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 20~30mm smaller 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.
In conclusion the utility model 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.
Detailed description of the invention
Fig. 1 is the status diagram preventing superfilled device and being 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 embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "upper", "lower", " bottom
Face " and " top surface " refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
As shown in Figures 1 and 2, one kind preventing superfilled device, including cyclic annular mesh sheet 1 and transmission rod 2；Cyclic annular mesh sheet 1 is placed in
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 greater than the outer diameter of perfusion conduit 6, such as
The outer diameter that can be the outer diameter than conduit 6 is perfused is 20~30mm big.The size of the grid of cyclic annular mesh sheet 1 can 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 cyclic annular
Mesh sheet 1 moves up, and transmission rod 2 also moves up therewith, when worker observes that transmission rod 2 is mobile, 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 preventing that 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 is prevented superfilled device also and has structure simple, is easy to observe, not have
There is hysteresis quality.
As shown in Fig. 2, cyclic annular mesh sheet 1 can be welded using plain bar.For example, outer ring and inner ring are all made of φ 18
Reinforcing bar be made, grid is welded anyhow and is made using the reinforcing bar of φ 6.Certainly, cyclic annular mesh sheet 1 can also be added using hard plastic material products
Work molding.
As shown in Fig. 2, transmission rod 2 can use the materials such as bar reinforcement or steel pipe, 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, positioned at the inner ring of cyclic annular mesh sheet 1 and the middle position of outer ring.
As shown in Fig. 2, can be arranged in the upper surface of cyclic annular mesh sheet 1 or lower surface to reinforce the rigidity of cyclic annular mesh sheet 1
Reinforce rib 11, reinforcing rib 11 can be thicker reinforcing bar, 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 is hooked 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 fast 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 preventing superfilled device jack-up.So such case in order to prevent
Occur, horizontal pressure foot 8 can 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 to be perfused during concrete perfusion conduit 6 by
Section, which is extracted, to be removed.Since the both ends of conduit are provided with splicing flange 61, splice 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 to be greater than the outer diameter of splicing flange 61.But the internal diameter and catheter outer diameter of cyclic annular 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 to top of concrete monitoring.
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 can use
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, preventing that superfilled device needs first to be put into drilling 3 due in use, then again leading 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.Wherein the top of two guide rods 10 can be welded with two transmission rods 2.Into one
The top on step ground, four guide rods 10 can be attached reinforcement using a circle muscle 101.
Prevent that the application method of superfilled device includes the following steps：
S1, steel reinforcement cage 4 is put into drilling 3；
S2, it will prevent that superfilled device is hung in drilling 3, cyclic annular mesh sheet 1 made to be placed in the upper surface of the anchor bar 5 of steel reinforcement cage 4,
Transmission rod 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, decentralization is extremely
Access hole bottom；
S4, the concrete perfusion into drilling 3, according to the estimation of cubic amount of concrete, when the close cyclic annular mesh sheet 1 of top of concrete
When, slow down rate of flooding；When using the perfusion conduit 6 of more piece splicing, part perfusion conduit 6 is extracted simultaneously in filling process
Merogenesis 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 concrete
Perfusion 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
The method for hammering measurement into shape, the monitoring method do not have hysteresis quality, monitor more intuitive.It is more economically saved compared to novel electron monitor
About.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. one kind prevents 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 placed in 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 greater than perfusion conduit（6）Outer diameter；Cyclic annular mesh sheet（1）Grid
Size can allow concrete slurry 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. one kind according to claim 1 prevents superfilled device, 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. one kind according to claim 1 prevents superfilled device, it is characterised in that：
It 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. one kind according to claim 1 prevents superfilled device, 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. one kind according to claim 1 prevents superfilled device, it is characterised in that：
The transmission rod（2）Top be provided with horizontal pressure foot（8）.
6. one kind according to claim 1 prevents superfilled device, it is characterised in that：
The size of the grid is 10~15mm.
7. one kind according to claim 1 prevents superfilled device, it is characterised in that：
The ring-type mesh sheet（1）Outer diameter than drilling（3）The small 20~30mm of diameter.
8. one kind according to claim 1 prevents superfilled device, it is characterised in that：
The ring-type mesh sheet（1）Upper surface or lower surface be provided with reinforcement rib（11）.
9. one kind according to claim 1 prevents superfilled device, it is characterised in that：
The ring-type mesh sheet（1）It is welded using plain bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820279110.XU CN208105272U (en) | 2018-02-27 | 2018-02-27 | One kind preventing superfilled device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820279110.XU CN208105272U (en) | 2018-02-27 | 2018-02-27 | One kind preventing superfilled device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208105272U true CN208105272U (en) | 2018-11-16 |
Family
ID=64125485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820279110.XU Expired - Fee Related CN208105272U (en) | 2018-02-27 | 2018-02-27 | One kind preventing superfilled device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208105272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360524A (en) * | 2018-02-27 | 2018-08-03 | 北京城建华夏基础建设工程有限公司 | One kind preventing superfilled device and its application method |
| CN109826249A (en) * | 2019-03-07 | 2019-05-31 | 中铁大桥（南京）桥隧诊治有限公司 | A kind of measuring device and measuring method of pile foundation side friction |
-
2018
- 2018-02-27 CN CN201820279110.XU patent/CN208105272U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108360524A (en) * | 2018-02-27 | 2018-08-03 | 北京城建华夏基础建设工程有限公司 | One kind preventing superfilled device and its application method |
| CN109826249A (en) * | 2019-03-07 | 2019-05-31 | 中铁大桥（南京）桥隧诊治有限公司 | A kind of measuring device and measuring method of pile foundation side friction |
| CN109826249B (en) * | 2019-03-07 | 2023-08-22 | 中铁大桥（南京）桥隧诊治有限公司 | Pile foundation side friction resistance measuring device and measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106284313B (en) | Long spire based on circulating mud retaining wall is squeezed into rock filling pile construction method | |
| CN105569560B (en) | A full set of tubular type long auger stake machine and the method for utilizing the ram machine construction | |
| CN102720186B (en) | Underwater once pouring method for variable cross-section bored cast-in-place pile | |
| CN108978644A (en) | Energy saving and environment friendly bored pile construction method | |
| CN207714314U (en) | A kind of pile foundation construction supporting construction in soft soil foundation | |
| CN208105272U (en) | One kind preventing superfilled device | |
| CN106089027B (en) | A kind of construction method using anti-well rig maintenance drop shaft | |
| CN105002915A (en) | Construction method of steel casing guard wall of manual hole digging pile | |
| CN104480929B (en) | A kind of pile wall interaction construction method that interlocking pile is applied to permanent outer wall of basement | |
| CN108360524A (en) | One kind preventing superfilled device and its application method | |
| CN108360535A (en) | Foundation pit supporting construction based on campshed and inner support and its construction method | |
| CN105672309B (en) | The recyclable overlength steel pile casting wall protecting method of karst area embedded rock pile pore-forming | |
| CN113699981A (en) | Construction method for preventing necking of rotary-digging cast-in-place pile in high-fill field | |
| CN109610473A (en) | A kind of construction method of the large-scale pool structure foundation pit supporting system of municipal administration | |
| CN206859222U (en) | The quick structure for abolishing concrete pile head | |
| CN212001106U (en) | Hole cleaning system for cast-in-place pile | |
| CN206859211U (en) | A kind of elastic steel cylinder of drilled pile solution cavity leak stopping | |
| CN207944455U (en) | Remove mudcake device | |
| CN108775036A (en) | A kind of construction method for replacing bored concrete pile | |
| CN210887212U (en) | Combined device for breaking pile head of bored pile foundation | |
| CN205224019U (en) | Stake of reinforcing bar fiber cement soil | |
| CN108086322B (en) | Mud skin removing device and method for improving bearing capacity of cast-in-place pile by using same | |
| CN106958248A (en) | The construction method of pattern foundation pit supporting structure | |
| CN209538187U (en) | Deep basal pit interlocking pile bore forming structure | |
| CN206607590U (en) | A kind of filling pile head quickly cuts processing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 |