CN109356162A - A kind of OPT interlocking pile slip casting around pile water-stopping method and slip casting pipe device - Google Patents
A kind of OPT interlocking pile slip casting around pile water-stopping method and slip casting pipe device Download PDFInfo
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- CN109356162A CN109356162A CN201811446476.2A CN201811446476A CN109356162A CN 109356162 A CN109356162 A CN 109356162A CN 201811446476 A CN201811446476 A CN 201811446476A CN 109356162 A CN109356162 A CN 109356162A
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- pipe
- skirt piles
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- 238000007569 slipcasting Methods 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 65
- 239000010959 steel Substances 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000004567 concrete Substances 0.000 claims abstract description 51
- 239000004033 plastic Substances 0.000 claims abstract description 42
- 229920003023 plastic Polymers 0.000 claims abstract description 42
- 230000002787 reinforcement Effects 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000002002 slurry Substances 0.000 claims abstract description 13
- 238000009412 basement excavation Methods 0.000 claims abstract description 7
- 238000005266 casting Methods 0.000 claims abstract description 6
- 238000007711 solidification Methods 0.000 claims abstract description 4
- 230000008023 solidification Effects 0.000 claims abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000011888 foil Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 210000003205 muscle Anatomy 0.000 claims description 4
- 229920002472 Starch Polymers 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 235000019698 starch Nutrition 0.000 claims description 3
- 239000008107 starch Substances 0.000 claims description 3
- 239000002689 soil Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 45
- 230000004224 protection Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000012407 engineering method Methods 0.000 description 2
- 239000011440 grout Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
- E02D19/18—Restraining of underground water by damming or interrupting the passage of underground water by making use of sealing aprons, e.g. diaphragms made from bituminous or clay material
Abstract
The present invention relates to a kind of OPT interlocking pile slip casting around pile water-stopping method and slip casting pipe device, the step of water-stopping method includes: shaft excavation construction；PBA transverse passage-way and pilot drive；The construction plastic concrete stake in pilot tunnel and transverse passage-way；It drills between adjacent two plastic concrete stakes to skirt piles.By vertical slip casting penstock installation on the steel reinforcement cage of skirt piles, place is engaged positioned at skirt piles and the separate station of plastic concrete stake；Slip casting steel pipe part corresponding with water-bearing layer absolute altitude offers injected hole, and locking device is by injected hole temporary sealing.Steel reinforcement cage is transferred, casting concrete is mutually twisted skirt piles with plastic concrete stake, forms hole internal gearing pile water stopping curtain.High-pressure slip-casting is carried out to slip casting steel pipe, high pressure slurries spray into surrounding aqueous layer, and sealing effect is played in solidification at water-bearing layer.The present invention carries out slip casting by installing slip casting pipe device on steel reinforcement cage at water-bearing layer, so that the sealing leakproof of OPT interlocking pile is realized, it is easy for construction, economical.
Description
Technical field
The present invention relates to the technical fields of bridge construction, more particularly, to a kind of OPT interlocking pile slip casting around pile water-stopping method
And slip casting pipe device.
Background technique
In the prior art, interlocking pile is that part circumference is mutually embedding between adjacent concrete campshed, and in the alternate construction of rear order
It affixes one's name in stake into steel reinforcement cage, is allowed to be formed whole continuous waterproof, earth-retaining building enclosure with good barrier effect.
With reference to Fig. 3 and Figure 10, interlocking pile is that a kind of foundation pit 24 that formation is mutually twisted arrangement between stake and stake goes along with sb. to guard him knot
Structure.The arrangement mode of stake is not arrangement of reinforcement and use extra retarded set plain concrete pile (A) and a reinforced concrete pile (B
Stake) arranged for interval.It when construction, first constructs A, B constructions are completed in rear construction B before A pile concrete initial set.B brills
Hole cuts away the concrete of adjacent A intersection when constructing, to realize occlusion.
It is engaged after the completion of pile driving construction, because construction quality problem will appear local drainage.As shown in Figure 10, existing skill
In art, the blocking method of interlocking pile is generally first dredged to be blocked up afterwards, i.e., in the pre-buried water conservancy diversion water pipe 71 of leakage, forms a reserved infiltration
Aquaporin quickly blocks gap with cement after water is discharged, in envelope water conservancy diversion water pipe 71 after cement reaches some strength.
If water leakage is larger, success cannot be once blocked, it is also necessary to repeatedly block.Excavation section by section is taken in 24 work progress of foundation pit,
It is segmented leak stopping, facilitates blocking construction, avoids large area excavation that leak section is caused excessively to cause danger.
When water is larger, it is also necessary to which auxiliary method, such as the outer precipitation in hole, interlocking pile back-grouting, steel plate block.
The applicant had submitted the patent of entitled " a kind of OPT construction method of interlocking pile " on May 26th, 2018
Application, application No. is 201810517421.X.The OPT construction method of interlocking pile recorded in application documents refers to based on PBA engineering method
Hole internal gearing pile water stopping curtain construction method." OP " refers to writing a Chinese character in simplified form for Occlusion Pile, represents interlocking pile；" T " is
Tunnel's writes a Chinese character in simplified form, and represents tunnel.With reference to Fig. 1 and Fig. 2, cardinal principle is interlocking pile of constructing in pilot tunnel 23 and transverse passage-way 22,
The skirt piles 11 in former PBA engineering method are utilized as reinforced concrete pile, after plain concrete pile is arranged among skirt piles 11 in interlocking pile
Form water-stop curtain.
The blocking method of above-mentioned interlocking pile have the following deficiencies: first is that aqueduct water guide carry out blocking again need it is artificial, and
And water plugging effect is affected by leak size, manual work environment is poor, has a certain impact to foundation trench operating environment.Second is that
Ancillary measure needs behind interlocking pile there are certain space place, so that corresponding machinery is to dewatering well, injected hole 41 or steel
The construction of plate.And hole internal gearing stake is due to being constructed in pilot tunnel 23 and transverse passage-way 22, in pilot tunnel 23 that space is limited, so right
It is unfavorable for implementing in ancillary measure.Therefore, it is necessary to research and develop a kind of leak stopping sealing scheme that can be applied to hole internal gearing stake.
Summary of the invention
The object of the present invention is to provide one kind can be suitable for OPT interlocking pile slip casting around pile pipe device.
Foregoing invention purpose of the invention has the technical scheme that
A kind of OPT interlocking pile slip casting around pile pipe device, it is described including the Grouting Pipe being fixed on pile body steel reinforcement cage and locking device
Grouting Pipe part corresponding with water-bearing layer absolute altitude offers injected hole, and locking device is by injected hole temporary sealing；The interlocking pile
Plastic concrete stake including the rigid skirt piles that are set in pilot tunnel and transverse passage-way and between two rigid skirt piles, skirt piles with
Plastic concrete stake is mutually twisted, and one circle closing structure of all skirt piles and plastic concrete stake composition, forms the stake of hole internal gearing
Water-stop curtain.
It is realized by installing slip casting pipe device on steel reinforcement cage by positioning slip casting by using above-mentioned technical proposal
Local strengthening sealing is carried out, carries out the anti-system of leak stopping in advance；All operations can be completed in the small space of pilot tunnel, and be not required to cheat
The ancillary measures such as outer precipitation.
The present invention is further arranged to: the Grouting Pipe is vertically arranged, positioned at the separate vehicle of skirt piles and plastic concrete stake
At the occlusion stood.
By using above-mentioned technical proposal, slip casting is accurately located at water-bearing layer and occlusion, saves material, it is economical high
Effect.
The present invention is further arranged to: further including the arc Grouting Pipe for being set to water-bearing layer corresponding position, arc Grouting Pipe
It is fixed on the outer peripheral surface of steel reinforcement cage, the side positioned at steel reinforcement cage far from station offers injected hole, arc note in arc Grouting Pipe
Slurry pipe is connected to slip casting steel pipe；Locking device is by injected hole temporary sealing.
By using above-mentioned technical proposal, arc Grouting Pipe will not only carry out slip casting at occlusion, but water-bearing layer is whole
Slip casting forms integral waterproofing structure, thoroughly blocks water flow, water-stagnating effect is more guaranteed.
The present invention is further arranged to: arc Grouting Pipe is located at the close basal surface position in water-bearing layer.
By using above-mentioned technical proposal, economical and efficient, speed of application is fast, and water-stagnating effect is more preferably.
The present invention is further arranged to: two Grouting Pipes and two arc slip castings are equipped on the steel reinforcement cage of every skirt piles
Pipe, two arc Grouting Pipes are connected to two Grouting Pipes respectively；The other end closing of two arc Grouting Pipes；A piece arc slip casting
Pipe is located at the close basal surface position in water-bearing layer, and another arc Grouting Pipe is located at the close medium position in water-bearing layer.
By using above-mentioned technical proposal, the situation thicker suitable for water-bearing layer.
The present invention is further arranged to: locking device includes the rubber layer for being wrapped in slip casting tube outer surface outside.
By using above-mentioned technical proposal, rubber layer can prevent the cement grout of concrete from entering in Grouting Pipe, also can
It is enough to be broken through by high-pressure slip-casting liquid, realize slip casting effect.
The present invention is further arranged to: locking device further includes the plastic foil for being wrapped in slip casting tube outer surface outside, plastic foil position
On the inside of rubber layer.
By using above-mentioned technical proposal, better seal protection is carried out to injected hole.
The present invention is further arranged to: rubber layer uses iron wire or adhesive tape binding and fixing.
By using above-mentioned technical proposal, prevent rubber layer from falling off.
It is a further object to provide a kind of methods suitable for OPT interlocking pile sealing.The purpose be by with
What lower technical solution was realized:
A kind of OPT interlocking pile slip casting around pile water-stopping method, including following construction procedure:
S1, shaft excavation construction；
S2, PBA transverse passage-way and pilot drive；
S3, in pilot tunnel and transverse passage-way skirt piles design position, plastic concrete stake of constructing between two skirt piles；Plastic concrete
The diameter of stake is greater than the clear spacing of two skirt piles；The stake end stretch of plastic concrete stake enters silo bottom or less stratum；
S4, it drills between adjacent two plastic concrete stakes to skirt piles；Grouting Pipe is mounted on the steel reinforcement cage of skirt piles,
Place is engaged positioned at skirt piles and the separate station of plastic concrete stake；Grouting Pipe part corresponding with water-bearing layer absolute altitude opens up
There is an injected hole, locking device is by injected hole temporary sealing；Steel reinforcement cage is transferred, casting concrete makes skirt piles and plastic concrete stake phase
Mutually occlusion, and one circle closing structure of all skirt piles and plastic concrete stake composition, form hole internal gearing pile water stopping curtain；
S5, high-pressure slip-casting, locking device and the cover to reinforcement concrete quilt at injected hole aperture are carried out to slip casting steel pipe
After breaking through, high pressure slurries are sprayed into surrounding aqueous layer, and sealing effect is played in solidification at water-bearing layer.
The present invention is further arranged to: in water-bearing layer, corresponding position installs arc Grouting Pipe, and arc Grouting Pipe is fixed on steel
The outer peripheral surface of muscle cage, the side positioned at steel reinforcement cage far from station offer injected hole, arc Grouting Pipe and note in arc Grouting Pipe
Starch steel pipe connection；Locking device is by injected hole temporary sealing.
By using above-mentioned technical proposal, realize the ejection for water plugging of OPT interlocking pile, in advance at water-bearing layer and occlusion into
Row leak stopping is reinforced, it is therefore prevented that water penetrates into foundation pit, facilitates the excavation construction of foundation pit.
In conclusion advantageous effects of the invention are as follows:
1. by steel reinforcement cage install slip casting pipe device, realize by positioning slip casting carry out local strengthening sealing, in advance into
The anti-system of row leak stopping；It is accurately located at water-bearing layer and occlusion, saves material, economical and efficient；All operations can be in the narrow of pilot tunnel
It is completed in small space, and is not required to cheat the ancillary measures such as outer precipitation；
2. the setting of arc Grouting Pipe reaches better water-stagnating effect so that form whole anti-water sealing structure in water-bearing layer；
3. the setting of the double-deck arc Grouting Pipe makes the program be suitable for the thicker water-bearing layer of thickness.
Detailed description of the invention
Fig. 1 is the schematic view of facade structure for leading the internal gearing stake of in-cavity construction hole；
Fig. 2 is the plan view of pilot tunnel and transverse passage-way internal gearing stake (skirt piles are not drawn into)；
Fig. 3 is the plan view for being provided with slip casting steel pipe interlocking pile；
Fig. 4 is the structural schematic diagram for being provided with the steel reinforcement cage of slip casting steel pipe；
Fig. 5 is the slip casting steel-tube construction schematic diagram for being enclosed with plastic foil and rubber layer；
Fig. 6 is the structural schematic diagram for being provided with the steel reinforcement cage of arc Grouting Pipe；
Fig. 7 is the Grouting Pipe apparatus structure schematic diagram that locking device is closing cock；
Fig. 8 is the enlarged drawing of part A in Fig. 7；
Fig. 9 is the structural schematic diagram for the arc Grouting Pipe that locking device is closing cock；
Figure 10 is the schematic diagram of existing interlocking pile blocking method in background technique.
In figure, 11, skirt piles；21, vertical shaft；22, transverse passage-way；23, pilot tunnel；24, foundation pit；31, plastic concrete stake；32, it infuses
Starch steel pipe；33, arc Grouting Pipe；34, steel reinforcement cage；41, injected hole；42, rubber layer；43, plastic foil；44, iron wire；51, aqueous
Layer；61, closing cock；62, protection board；63, protective partition；71, water conservancy diversion water pipe.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one:
A kind of OPT interlocking pile slip casting around pile water-stopping method, including following construction procedure:
S1, in conjunction with Fig. 1 and Fig. 2,21 excavation construction of vertical shaft；
S2, PBA transverse passage-way 22 and pilot tunnel 23 excavate；
S3, as shown in figure 3, going out 11 position of skirt piles according to design setting-out, two skirt piles 11 design in pilot tunnel 23 and transverse passage-way 22
Construction plastic concrete stake 31 between position；The diameter of plastic concrete stake 31 is greater than the clear spacing of two skirt piles 11；Plasticity is mixed
The stake end stretch of solidifying soil stake 31 enters 21 bottom of vertical shaft or less stratum；
S4, it drills between adjacent two plastic concrete stakes 31 to skirt piles 11；Grouting Pipe is mounted on to the steel of skirt piles 11
On muscle cage 34, Grouting Pipe as shown in the figure can be vertically arranged slip casting steel pipe 32, be also possible to set around the winding of steel reinforcement cage 34
Plastic tube or PE pipe for setting etc., the present embodiment are described by taking vertical slip casting steel pipe 32 as an example.Preferably, vertical slip casting steel pipe 32 is set
Be placed in skirt piles 11 and the separate station of plastic concrete stake 31 is engaged place.In conjunction with Fig. 4, slip casting steel pipe 32 and water-bearing layer 51 are marked
High corresponding part offers injected hole 41, and locking device is by 41 temporary sealing of injected hole, wherein 51 absolute altitude base area of water-bearing layer
Matter drilling data determines.As shown in figure 5, locking device includes plastic foil 43 and the rubber for being successively wrapped in 32 outer surface of slip casting steel pipe outside
Glue-line 42, the preferably waste and old bicycle tube of rubber layer 42, to realize recycling.44 binding and fixing of iron wire of rubber layer 42,
Or it is sticked on slip casting steel pipe 32 with adhesive tape.
Slip casting steel pipe 32 can use the steel pipe that outer diameter is 3mm for 32mm wall thickness.The diameter of injected hole 41 is 2 ~ 5mm, excellent
Select 3mm；Spacing between two neighboring injected hole 41 can be 30 ~ 60mm, preferably 50mm.Injected hole 41 is provided only on slip casting steel
Pipe 32 is far from station side.
S5, decentralization steel reinforcement cage 34, casting concrete is mutually twisted skirt piles 11 with plastic concrete stake 31, and all skirt piles
11 and plastic concrete stake 31 composition one circle closing structure, formed hole internal gearing pile water stopping curtain.In 34 decentralization process of steel reinforcement cage,
Must not hit cage, pier cage, turn round cage, guarantee injected hole 41 towards and position it is accurate.
S6, high-pressure slip-casting, locking device and the cover to reinforcement at 41 aperture of injected hole are carried out to slip casting steel pipe 32
After concrete is broken through, high pressure slurries are sprayed into surrounding aqueous layer 51, and sealing effect is played in solidification at water-bearing layer 51.Note
Pressure about 3 ~ 10MPa is starched, flow rate of grouting is no more than 75L/min.Slip casting operation starts after being suitable for pile 2 days, should not be later than into
After stake 30 days, so that high pressure slurries can easily break through the cover concrete of pile body.
Embodiment two:
With embodiment one the difference is that: as shown in fig. 6,51 corresponding position of water-bearing layer be arranged arc Grouting Pipe 33, arc
Grouting Pipe 33 is fixed on the outer peripheral surface of steel reinforcement cage 34, the side positioned at steel reinforcement cage 34 far from station, opens up in arc Grouting Pipe 33
There is injected hole 41, arc Grouting Pipe 33 is connected to slip casting steel pipe 32；Locking device can be using identical material in embodiment one, will
41 temporary sealing of injected hole.Bicycle tube can be wrapped in the appearance of arc Grouting Pipe 33 by the way of winding or socket
Face.Arc Grouting Pipe 33 is preferably plastic tube, can be connect with elbow bend with slip casting steel pipe 32.
When water-bearing layer, 51 thickness is not too thick, e.g. < 0.5m when, arc Grouting Pipe 33 be preferably provided to together, one end
It is connected to a slip casting steel pipe 32, other end closing.Preferably, the close bottom surface in water-bearing layer 51 is arranged in arc Grouting Pipe 33
Position can first block 51 water of water-bearing layer compared with the bottom position of concentration, not with slurries when so as to slurries ejection
Disconnected to spray, also constantly accumulation is upward for solidifying body, until water-bearing layer 51 is all blocked.Pass through multiple simulation test, arc slip casting
For the setting of pipe 33 at 51 middle part of water-bearing layer or top, slurries become downward seepage flow, and water-stagnating effect is bad.
When 51 thickness of water-bearing layer is thicker, upper layer and lower layer, the reinforcing bar of every skirt piles 11 is can be set into arc Grouting Pipe 33
Two slip casting steel pipes 32 and upper and lower two arc Grouting Pipes 33, every arc Grouting Pipe 33 and a slip casting steel are installed on cage 34
Pipe 32 is connected to, other end closing；A piece arc Grouting Pipe 33 is located at the close basal surface position in water-bearing layer 51, another arc note
Slurry pipe 33 is located at the close medium position in water-bearing layer 51.The program equally makes arc Grouting Pipe 33 be integrally located at water-bearing layer 51
Middle and lower part when slip casting, preferably first carries out the slip casting of bottom arc Grouting Pipe 33, restarts upper layer arc Grouting Pipe after a certain period of time
33 slip casting.Such setting main distinction in two or more arc Grouting Pipes 33 are connected to same root slip casting steel pipe 32, because
During slip casting, as long as after slurries break through cover concrete in an arc Grouting Pipe 33, another arc Grouting Pipe 33
Middle slurry pressure can immediately reduce, and be difficult to break through protective layer again.Based on the principle, when 51 thickness of water-bearing layer is thicker or stratum in
When water is bigger, the road number of arc Grouting Pipe 33 in the vertical direction can be increased, while increasing by 32 quantity of slip casting steel pipe, guaranteed
Every arc Grouting Pipe 33 is only connected to a slip casting steel pipe 32.
Embodiment three:
With embodiment one the difference is that: as illustrated in figs. 7 and 8, locking device be inserted into injected hole 41 in closing cock
61, one end that closing cock 61 is inserted into injected hole 41 is cone cell.When casting concrete, closing cock 61 prevents cement grout from slip casting
Hole 41 flows into slip casting steel pipe 32, and when slip casting, high pressure slurries eject closing cock 61, after breaking through cover concrete, injects aqueous
In layer 51.
Closing cock 61 can be steel needle, it is preferable that and in insertion, fabric or plastics elastomeric material are wrapped up in end, so as to
It is preferably ejected when high-pressure slip-casting.
Further, closing cock 61 is set as shuttle shape, and two tip settings, one end is inserted into injected hole 41, the other end
Cover concrete can preferably be worn out.
In addition, closing cock 61 is not destroyed in order to during protection down steel reinforcement cage 34 and when casting concrete, so
In the circumferential welding protection board 62 of slip casting steel pipe 32, the length of protection board 62 is greater than the length of the prominent slip casting steel pipe 32 of closing cock 61.
The upper and lower ends in 41 region of injected hole are arranged in protection board 62, also can according to need and are set as multiple tracks in vertical direction.
Example IV:
With embodiment two the difference is that: locking device is used such as the closing cock in the insertion injected hole 41 in embodiment three
61。
As shown in figure 9, two pieces of ring protections are arranged in order to protect the closing cock 61 in arc Grouting Pipe 33 not to be destroyed
Partition 63 is located at the two sides up and down of arc Grouting Pipe 33, and intrados and steel reinforcement cage 34 weld, and extrados extension elongation is big
The length of arc Grouting Pipe 33 is stretched out in closing cock 61.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of OPT interlocking pile slip casting around pile pipe device, it is characterised in that: including the slip casting being fixed on pile body steel reinforcement cage (34)
Pipe and locking device, Grouting Pipe part corresponding with water-bearing layer (51) absolute altitude offer injected hole (41), and locking device will
Injected hole (41) temporary sealing；The interlocking pile include the rigid skirt piles (11) that are set in pilot tunnel (23) and transverse passage-way (22) and
Plastic concrete stake (31) between two rigid skirt piles (11), skirt piles (11) are mutually stung with plastic concrete stake (31)
It closes, and one circle closing structure of all skirt piles (11) and plastic concrete stake (31) composition, forms hole internal gearing pile water stopping curtain.
2. OPT interlocking pile slip casting around pile pipe device according to claim 1, it is characterised in that: the Grouting Pipe is vertically set
It sets, be located at skirt piles (11) and the separate station of plastic concrete stake (31) is engaged place.
3. OPT interlocking pile slip casting around pile pipe device according to claim 1, it is characterised in that: further include be set to it is aqueous
The arc Grouting Pipe (33) of layer (51) corresponding position, arc Grouting Pipe (33) are fixed on the outer peripheral surface of steel reinforcement cage (34), are located at steel
Side of the muscle cage (34) far from station, offers injected hole (41) in arc Grouting Pipe (33), arc Grouting Pipe (33) and slip casting
Pipe connection；Locking device is by injected hole (41) temporary sealing.
4. OPT interlocking pile slip casting around pile pipe device according to claim 3, it is characterised in that: arc Grouting Pipe (33) position
Close basal surface position in water-bearing layer (51).
5. OPT interlocking pile slip casting around pile pipe device according to claim 3, it is characterised in that: the steel of every skirt piles (11)
Two Grouting Pipes and two arc Grouting Pipes (33) are installed, two arc Grouting Pipes (33) are infused with two respectively on muscle cage (34)
Starch pipe connection；The other end closing of two arc Grouting Pipes (33)；A piece arc Grouting Pipe (33) is located at leaning on for water-bearing layer (51)
Nearly basal surface position, another arc Grouting Pipe (33) are located at the close medium position in water-bearing layer (51).
6. OPT interlocking pile slip casting around pile pipe device according to claim 1, it is characterised in that: locking device includes wrapping up in outside
In the rubber layer (42) of slip casting tube outer surface.
7. OPT interlocking pile slip casting around pile pipe device according to claim 6, it is characterised in that: locking device further includes outer
It is wrapped in the plastic foil (43) of slip casting tube outer surface, plastic foil (43) is located on the inside of rubber layer (42).
8. OPT interlocking pile slip casting around pile pipe device according to claim 6, it is characterised in that: rubber layer (42) uses iron
Silk (44) or adhesive tape binding and fixing.
9. a kind of OPT interlocking pile slip casting around pile water-stopping method, it is characterised in that including following construction procedure:
S1, vertical shaft (21) excavation construction；
S2, PBA transverse passage-way (22) and pilot tunnel (23) excavate；
S3, plasticity of constructing between the design position of pilot tunnel (23) and transverse passage-way (22) interior skirt piles (11), two skirt piles (11) are mixed
Solidifying soil stake (31)；The diameter of plastic concrete stake (31) is greater than the clear spacing of two skirt piles (11)；Plastic concrete stake (31)
Stake end stretch enters vertical shaft (21) bottom or less stratum；
S4, it drills between adjacent two plastic concrete stakes (31) to skirt piles (11)；Grouting Pipe is mounted on skirt piles
(11) on steel reinforcement cage (34), be located at skirt piles (11) and the separate station of plastic concrete stake (31) is engaged place；The slip casting
It manages corresponding with water-bearing layer (51) absolute altitude part to offer injected hole (41), locking device is by injected hole (41) temporary sealing；Under
Put steel reinforcement cage (34), casting concrete is mutually twisted skirt piles (11) with plastic concrete stake (31), and all skirt piles (11) and
One circle closing structure of plastic concrete stake (31) composition, forms hole internal gearing pile water stopping curtain；
S5, high-pressure slip-casting, locking device and the cover to reinforcement concrete being located at injected hole (41) aperture are carried out to Grouting Pipe
After breaking through, high pressure slurries are sprayed into surrounding aqueous layer (51), and sealing effect is played in solidification at water-bearing layer (51).
10. OPT interlocking pile slip casting around pile water-stopping method according to claim 8, it is characterised in that: right in water-bearing layer (51)
Answer position that arc Grouting Pipe (33) are installed, arc Grouting Pipe (33) is fixed on the outer peripheral surface of steel reinforcement cage (34), is located at steel reinforcement cage
(34) it is offered injected hole (41) far from the side at station, in arc Grouting Pipe (33), arc Grouting Pipe (33) and Grouting Pipe connect
It is logical；Locking device is by injected hole (41) temporary sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446476.2A CN109356162B (en) | 2018-11-29 | 2018-11-29 | OPT occlusion pile side grouting water stopping method and grouting pipe device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109914390A (en) * | 2019-04-20 | 2019-06-21 | 北京中岩大地科技股份有限公司 | It is a kind of to construct the slip casting structure and construction method of cold seam for biting connecions campshed |
| CN110158598A (en) * | 2019-05-31 | 2019-08-23 | 浙江同济科技职业学院 | A kind of large diameter pile foundation wash preventing method and device that main passive protection combines |
| CN111155542A (en) * | 2020-01-14 | 2020-05-15 | 中铁隧道集团二处有限公司 | PBA construction method tunnel waterproof curtain construction method based on hole guiding technology |
| CN111197310A (en) * | 2020-01-07 | 2020-05-26 | 中冶交通建设集团有限公司 | Grouting device, equipment and grouting method for sounding pipe of water-rich stratum of cast-in-place pile |
| CN112177023A (en) * | 2020-10-12 | 2021-01-05 | 北京建工土木工程有限公司 | Pile type water stop structure engagement degree repairing device and precise slurry supplementing method thereof |
| CN114351741A (en) * | 2021-11-30 | 2022-04-15 | 中交路桥华南工程有限公司 | Construction method of anchorage supporting and water sealing structure |
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| CN108797620A (en) * | 2018-05-25 | 2018-11-13 | 北京地矿工程建设有限责任公司 | A kind of OPT construction method of interlocking pile |
| CN108797641A (en) * | 2018-07-20 | 2018-11-13 | 中铁十八局集团有限公司 | A kind of structure and its construction method of Underground Subway Station construction period full station sealing |
| CN209243728U (en) * | 2018-11-29 | 2019-08-13 | 北京地矿工程建设有限责任公司 | A kind of OPT interlocking pile slip casting around pile pipe device |
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| GB191109240A (en) * | 1911-04-13 | 1912-04-11 | Maxwell Mayhew Upson | Improvements in and relating to Concrete Piles. |
| CN105937221A (en) * | 2016-05-31 | 2016-09-14 | 深圳市宏业基基础工程有限公司 | Manufacturing method for drilled grouting piles |
| CN108797620A (en) * | 2018-05-25 | 2018-11-13 | 北京地矿工程建设有限责任公司 | A kind of OPT construction method of interlocking pile |
| CN108797641A (en) * | 2018-07-20 | 2018-11-13 | 中铁十八局集团有限公司 | A kind of structure and its construction method of Underground Subway Station construction period full station sealing |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109914390A (en) * | 2019-04-20 | 2019-06-21 | 北京中岩大地科技股份有限公司 | It is a kind of to construct the slip casting structure and construction method of cold seam for biting connecions campshed |
| CN110158598A (en) * | 2019-05-31 | 2019-08-23 | 浙江同济科技职业学院 | A kind of large diameter pile foundation wash preventing method and device that main passive protection combines |
| CN111197310A (en) * | 2020-01-07 | 2020-05-26 | 中冶交通建设集团有限公司 | Grouting device, equipment and grouting method for sounding pipe of water-rich stratum of cast-in-place pile |
| CN111155542A (en) * | 2020-01-14 | 2020-05-15 | 中铁隧道集团二处有限公司 | PBA construction method tunnel waterproof curtain construction method based on hole guiding technology |
| CN112177023A (en) * | 2020-10-12 | 2021-01-05 | 北京建工土木工程有限公司 | Pile type water stop structure engagement degree repairing device and precise slurry supplementing method thereof |
| CN114351741A (en) * | 2021-11-30 | 2022-04-15 | 中交路桥华南工程有限公司 | Construction method of anchorage supporting and water sealing structure |
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