CN207862925U - A kind of slip casting casing device - Google Patents
A kind of slip casting casing device Download PDFInfo
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- CN207862925U CN207862925U CN201820193281.0U CN201820193281U CN207862925U CN 207862925 U CN207862925 U CN 207862925U CN 201820193281 U CN201820193281 U CN 201820193281U CN 207862925 U CN207862925 U CN 207862925U
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- slip casting
- cylinder
- casing device
- casting casing
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- 238000007569 slipcasting Methods 0.000 title claims abstract description 93
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 239000011083 cement mortar Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 33
- 238000005553 drilling Methods 0.000 abstract description 32
- 239000002002 slurry Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- 239000002689 soil Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model proposes a kind of slip casting casing devices, the slip casting casing device includes cylinder, at least three Grouting Pipes are provided along its length on the upper outside wall of the cylinder, the circumference spaced set of at least three Grouting Pipes along cylinder, the lower sides of the cylinder are equipped with peephole, and the bottom of the cylinder is equipped with groove cutting shoe.The utility model ensure that drilling machine backfills the interim retaining wall of jackstone under casing follow-up to around, is easy pore-forming and hole quality is high, securely and reliably, construction efficiency is high, convenient and safe and cost is relatively low.
Description
Technical field
The utility model is related to the piling Technology field of architectural engineering, more particularly to a kind of slip casting casing device.
Background technology
In the dealing with foundation construction of architectural engineering, casing is a kind of tool device being commonly used, and effect is
Play the role of retaining wall in foundation soil body and the pile body of its inside is protected in the construction process.And slip casting method is a kind of profit
It will be injected into a kind of construction technology in foundation soil body with the slurries for reinforcing property with compression pump, the purpose is to make the slurry of injection
Liquid is permeated and is spread in the soil body, reaches the purpose of strengthening stratum and impervious waterproof after certain time cures, to underground
The reinforcing of structures, the effect of waterproof are obvious.
Currently, building trade is when being irrigated pile driving construction, frequently with drilling machine pore-forming, then casting concrete pile is applied
Work method.But when it is that jackstone backfills stratum to encounter the drilling soil body, drilling machine creeps into not pore-forming and can not use mud off, often
The problem of being susceptible to collapse hole.Although the method pore-forming according to overall height steel pile casting can preferably solve the problems, such as collapse hole,
The problems such as it is higher that there are construction costs, and difficulty of construction is big.
Utility model content
The purpose of this utility model is to propose a kind of slip casting casing device, can guarantee that drilling machine hole quality is reliable, construction effect
Rate is high, convenient and safe and cost is relatively low.
In order to achieve the above objectives, the utility model proposes a kind of slip casting casing device, including cylinder, the cylinder it is upper
At least three Grouting Pipes are provided along its length on portion's lateral wall, at least three Grouting Pipes are equidistant along the circumference of cylinder
The lower sides of setting, the cylinder are equipped with peephole, and the bottom of the cylinder is equipped with groove cutting shoe.
Further, in a kind of above-mentioned slip casting casing device, the slip casting casing device further includes an at least slip casting hose,
One end of the slip casting hose is connected with the Grouting Pipe on cylinder, and the other end is communicated in slip casting machine.
Further, in a kind of above-mentioned slip casting casing device, the pressure resistance of the slip casting hose is not less than 6MPa, the slip casting
Machine uses cement mortar slip casting machine, grouting pressure to be not more than 4MPa.
Further, in a kind of above-mentioned slip casting casing device, each Grouting Pipe upper inlet is concordant with cylinder, the slip casting
The upper inlet of pipe is connected to slip casting machine by slip casting hose, and the lower part outlet of the Grouting Pipe is equipped with groove.
Further, in a kind of above-mentioned slip casting casing device, the length of the Grouting Pipe is the 1/3 of the length of cylinder.
Further, in a kind of above-mentioned slip casting casing device, the wall thickness of the cylinder is 10mm, and the length of the cylinder is
2m。
Further, in a kind of above-mentioned slip casting casing device, the peephole is located at cylinder body bottom 100mm.
Further, in a kind of above-mentioned slip casting casing device, a diameter of 20mm of peephole.
The pile foundation drilling construction method of a kind of slip casting casing device of the utility model and use the casing device ensure that brill
Machine backfills the interim retaining wall of jackstone under casing follow-up to around, is easy pore-forming and hole quality is high, securely and reliably, construction efficiency
High, convenient and safe and cost is relatively low.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of slip casting casing device of the utility model；
Fig. 2 is the enlarged diagram at A in Fig. 1；
Fig. 3 is a kind of sectional view of slip casting casing device of the utility model；
Fig. 4 is a kind of vertical view that slip casting casing device is in running order of the utility model；
Fig. 5 is a kind of sectional view that slip casting casing device is in running order of the utility model；
Fig. 6 is flow diagram of the utility model using the pile foundation drilling construction method of above-mentioned casing device.
Specific implementation mode
The preferred embodiment that according to the present invention will be described in detail below with reference to the accompanying drawings.
It please refers to Fig.1 to Fig.3, Fig. 1 is a kind of structural schematic diagram of slip casting casing device of the utility model.
The utility model provides a kind of slip casting casing device 100 comprising cylinder 1, on the upper outside wall of the cylinder 1
At least three Grouting Pipes 2 are provided along its length, at least three Grouting Pipes 2 are along the circumference spaced set of cylinder 1, institute
The lower sides for stating cylinder 1 are equipped with peephole 3, and the bottom of the cylinder 1 is equipped with groove cutting shoe（It is not shown）.
Wherein, the cylinder 1 is made of steel pipe, and is both ends open.In the present embodiment, the wall thickness of the cylinder 1 is
The length of 10mm, the cylinder 1 are 2m, and the interior diameter of the cylinder 1 is design stake diameter（800mm-2000mm）+100mm.It is described
1 inside of cylinder carries out drilling construction for placing drilling machine, and the bottom of cylinder 1 setting groove cutting shoe makes in order to cut the soil body
Cylinder 1 is obtained with drilling machine to sink.
The slip casting casing device further includes an at least slip casting hose 4, one end of the slip casting hose 4 on cylinder 1
Grouting Pipe 2 is connected, and the other end is communicated in slip casting machine（It is not shown）.
The slip casting hose 4 is the pressure hose mating with slip casting machine, and the pressure resistance of the slip casting hose 4 is not less than 6MPa,
The slip casting hose 4 and Grouting Pipe 2, which should use, to be reliably connected mode and is attached, and with slip casting casing it is continuous sink without
Disconnecting is long, ensures that final hose length is long not less than stake.The slip casting machine uses cement mortar slip casting machine, grouting pressure to be not more than
4MPa。
Each Grouting Pipe 2 is set to the upper side wall of cylinder 1, i.e. the upper inlet of the Grouting Pipe 2 is concordant with cylinder 1, and institute
The upper inlet for stating Grouting Pipe 2 is connected to slip casting machine by slip casting hose 4, for by Grouting Pipe 2 to 1 surrounding soil of cylinder into
Row slip casting；The lower part outlet of the Grouting Pipe 2 is equipped with groove 21, and slurry flows out when for facilitating slip casting.
In the present embodiment, at least three Grouting Pipes 2 are three, respectively along the circumference spaced set of cylinder 1.Often
One Grouting Pipe 2 uses wall thickness to be made of the steel pipe of 2mm, a diameter of 20mm of the Grouting Pipe 2, and the length of the Grouting Pipe 2 is
The 1/3 of the length of cylinder 1（667mm）.
The Grouting Pipe 2 is welded on the side wall of cylinder 1, is specifically welded using three fillet welding of bilateral, and throat depth is not less than
5mm。
The peephole 3 is located at 1 bottom 100mm of cylinder, and the peephole 3 is using drilling perforation steel casing pipe
Wall, in order to observe the exudation of institute's injection slurry in casing, 3 a diameter of 20mm of the peephole, in work progress it should be noted that
It avoids blocking.
Fig. 4 to fig. 6 is please referred to, Fig. 4 and Fig. 5 are respectively that a kind of slip casting casing device of the utility model is in running order
Vertical view and sectional view.The utility model slip casting casing device 100 is mainly used in backfill jackstone stratum 200 at work, i.e.,
The fragmentary jackstone of surrounding is carried out reinforcing pore-forming by slip casting and forms interim retaining wall, to ensure hole quality.
Fig. 6 is flow diagram of the utility model using the pile foundation drilling construction method of above-mentioned casing device.It is described
Method includes the following steps：
Step S1：It determines pre- fixed pile, slip casting casing device 100 is temporarily fixed in above-mentioned pre- fixed pile so that institute
100 center of slip casting casing device is stated to overlap with stake position center；
When specific implementation, construction site is cleared up first, is smooth, removes sundries, drilling machine position and row around stake position
Road leveling compacting is walked, water power access is completed；It uses total station instrument coordinate method to carry out the center setting-out of stake again, is positioned with cross
Method leads to the outer 50cm of stake as the central point for determining pre- fixed pile；Slip casting casing device 100 is embedded to the predetermined stake temporarily again
In the soil body of position, it is ensured that 1 center of cylinder is overlapped with stake position center, and 100 buried depth of slip casting casing device is not less than 1.2m, should around backfill
Clay, compaction in layers.Then the Grouting Pipe 2 on slip casting casing device 100 is connected to by slip casting hose 4 on slip casting machine；
Step S2：In pre- fixed pile, after drill hole of drilling machine to set depth, carried out into drilling by Grouting Pipe 2
Slip casing by pressure stops slip casting when observing that institute's injection slurry penetrates into cylinder 1 by peephole 3；
When specific implementation, rotary drilling rig carries out drilling construction in place, and slip casting casing device 100 is sink to suitable for reading be higher than with drilling
The ground positions 20cm.The length of the cylinder 1 is 2m, reusable, and each drilling cycle depth of pore forming is 2m, the slip casting
Casing device 100 sinks in jackstone backfill stratum with drilling machine in rotary drilling rig drilling process and forms interim retaining wall, casing top surface
Reach backfill jackstone stratum（Be above the ground level 20cm for the first time）When, modulate rapid-hardening cement grout or cement mortar（Intensity is not more than
M30, setting time are not more than 1 hour）Grouting pump is accessed, peripherally layer carries out pressure note by the Grouting Pipe on slip casting casing
Slurry, pressure are not more than 4MPa.Stop slip casting when that can observe that institute's injection slurry penetrates into cylinder 1 by peephole 3, then
It injects proper amount of clear water and cleans Grouting Pipe.
Step S3：According to the match ratio difference of slurries stand within 2 ~ 4 hours, until the slurries of injection are thrown with surrounding backfill
Stone stratum 200 is formed by curing annular overall structure；
When specific implementation, according to Mortar mix proportion difference stand within 2 ~ 4 hours, to ensure that surrounding is backfilled jackstone by slurries
It is formed by curing the annular rock-steady structure with some strength.
Step S4：Repeat the above steps S2 and S3, until drilling construction is incited somebody to action to after passing through backfill jackstone stratum 200 completely
The slip casting casing device 100 for having noted slurry takes out from drilling.
When specific implementation, continue to be crept into slip casting casing device 100 using drilling machine is dug, while sinking to slip casting casing
Subsequent cycle construction is carried out in device 100 to the jackstone backfill stratum of deeper, until drilling construction is thrown to backfill is passed through completely
Behind stone stratum 200, the slip casting casing for having noted slurry is extracted after slurries and the solidification of surrounding jackstone.
Step S5：The construction of pile foundation pore-forming is completed after continuing to drill to stake bottom absolute altitude or corresponding supporting course using drilling machine.
When specific implementation, pore-forming examination can be carried out by continuing drilling to stake bottom absolute altitude or corresponding supporting course, after acceptance(check)
Stake holes can be carried out placing the subsequent handling construction of steel reinforcement cage and casting concrete etc..
Compared with the prior art, the pile foundation pore-forming of a kind of slip casting casing device of the utility model and use the casing device is applied
Work method has the advantages that：
1, the utility model is solved creeps into not pore-forming and nothing in mountain area area jackstone backfill stratum using rotary drilling rig
Method uses the pore-forming problem under conditions of mud off when progress bored pile construction.
2, the utility model mainly reaches cost-effective by using the slip casting casing that can be recycled, and carries efficient
Problem.
3, the utility model ensure that drilling machine casing follow-up under to around backfill jackstone interim retaining wall, be easy pore-forming and
Hole quality is high, securely and reliably.
4, the slip casting casing of the utility model reinforces the fragmentary jackstone of surrounding by slip casting, is collectively formed annular steady
Determine structure, ensure casing during deepening continuously soil layer, top stake holes not will produce collapse hole, and Forming Quality is high.
5, the slip casting casing length of the utility model is 2m, and difficulty of construction substantially reduces.
6, the advantages of slip casting casing construction method of the utility model combines panelling construction and casing construction method, in spy
It is with obvious effects when constructing in fixed soil layer.
7, the construction method of the slip casting casing of the utility model can be with other construction method combination constructions, construction method conversion
Adjustment too many Shi Buxu.
8, the construction method of the utility model is utilized since slip casting casing is repeatable, and top slip casting retaining wall is solid and reliable, institute
It is deeper with theoretical drill depth, it is suitable for the construction of deeper stake holes.
To sum up, a kind of slip casting casing device of the utility model and the pile foundation drilling construction method guarantee using the casing device
Drilling machine backfills the interim retaining wall of jackstone under casing follow-up to around, is easy pore-forming and hole quality is high, securely and reliably, construction
Efficient, convenient and safe and cost is relatively low.
Here the description and application of the utility model are illustrative, are not wishing to the scope of the utility model being limited in
It states in embodiment.The deformation and change of embodiments disclosed herein are possible, for the ordinary skill people of those this fields
The replacement of embodiment and equivalent various parts are well known for member.It should be appreciated by the person skilled in the art that not taking off
In the case of spirit or essential characteristics from the utility model, the utility model can in other forms, structure, arrangement, ratio,
And it is realized with other components, material and component.It, can be to this in the case where not departing from the scope of the utility model and spirit
In disclosed embodiment carry out other deformations and change.
Claims (8)
1. a kind of slip casting casing device, which is characterized in that including cylinder, on the upper outside wall of the cylinder along its length
Equipped at least three Grouting Pipes, at least three Grouting Pipes are along the circumference spaced set of cylinder, the lower side of the cylinder
Wall is equipped with peephole, and the bottom of the cylinder is equipped with groove cutting shoe.
2. slip casting casing device according to claim 1, which is characterized in that the slip casting casing device further includes at least one
One end of slip casting hose, the slip casting hose is connected with the Grouting Pipe on cylinder, and the other end is communicated in slip casting machine.
3. slip casting casing device according to claim 2, which is characterized in that the pressure resistance of the slip casting hose is not less than
6MPa, the slip casting machine use cement mortar slip casting machine, grouting pressure to be not more than 4MPa.
4. slip casting casing device according to claim 3, which is characterized in that each Grouting Pipe upper inlet is flat with cylinder
Together, the upper inlet of the Grouting Pipe is connected to slip casting machine by slip casting hose, and the lower part outlet of the Grouting Pipe is equipped with groove.
5. slip casting casing device according to claim 4, which is characterized in that the length of the Grouting Pipe is the length of cylinder
1/3.
6. slip casting casing device according to claim 5, which is characterized in that the wall thickness of the cylinder is 10mm, the cylinder
The length of body is 2m.
7. slip casting casing device according to claim 1, which is characterized in that the peephole is located at apart from cylinder body bottom
At 100mm.
8. slip casting casing device according to claim 7, which is characterized in that a diameter of 20mm of peephole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820193281.0U CN207862925U (en) | 2018-02-05 | 2018-02-05 | A kind of slip casting casing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820193281.0U CN207862925U (en) | 2018-02-05 | 2018-02-05 | A kind of slip casting casing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207862925U true CN207862925U (en) | 2018-09-14 |
Family
ID=63461058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820193281.0U Active CN207862925U (en) | 2018-02-05 | 2018-02-05 | A kind of slip casting casing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207862925U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108149682A (en) * | 2018-02-05 | 2018-06-12 | 北京城建八建设发展有限责任公司 | A kind of slip casting casing device and the pile foundation drilling construction method using the casing device |
| CN109371975A (en) * | 2018-10-25 | 2019-02-22 | 广西建工集团基础建设有限公司 | A kind of CFG stake implantation construction method suitable for compound soft or hard geology |
| CN114032888A (en) * | 2021-11-22 | 2022-02-11 | 中国电建集团华东勘测设计研究院有限公司 | Grouting pile casing structure for offshore rock-socketed pile and construction method |
-
2018
- 2018-02-05 CN CN201820193281.0U patent/CN207862925U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108149682A (en) * | 2018-02-05 | 2018-06-12 | 北京城建八建设发展有限责任公司 | A kind of slip casting casing device and the pile foundation drilling construction method using the casing device |
| CN109371975A (en) * | 2018-10-25 | 2019-02-22 | 广西建工集团基础建设有限公司 | A kind of CFG stake implantation construction method suitable for compound soft or hard geology |
| CN114032888A (en) * | 2021-11-22 | 2022-02-11 | 中国电建集团华东勘测设计研究院有限公司 | Grouting pile casing structure for offshore rock-socketed pile and construction method |
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