CN110374092A - Grout pile end follow-up grouting device and its technique - Google Patents
Grout pile end follow-up grouting device and its technique Download PDFInfo
- Publication number
- CN110374092A CN110374092A CN201910621988.6A CN201910621988A CN110374092A CN 110374092 A CN110374092 A CN 110374092A CN 201910621988 A CN201910621988 A CN 201910621988A CN 110374092 A CN110374092 A CN 110374092A
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- side wall
- sound detecting
- detecting pipe
- reinforcement cage
- steel reinforcement
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- 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
- E02D15/06—Placing concrete under water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
-
- 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
- E02D5/36—Concrete or concrete-like piles cast in position ; Apparatus for making same making without use of mouldpipes or other moulds
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention belongs to the technical fields that bridge is built, it is related to a kind of grout pile end follow-up grouting device, it includes steel reinforcement cage, the sound detecting pipe being set on steel reinforcement cage, mounting blocks are removably connected on steel reinforcement cage, the card slot engaged with the steel bars on steel reinforcement cage is offered on mounting blocks, thread groove is offered on the side side wall of card slot bayonet, grafting through-hole is offered on the side wall of the other side, T-type threaded rod is threaded in thread groove and grafting through-hole, the fixing groove for fixing sound detecting pipe is also provided on mounting blocks, locating slot is offered on the side wall of fixing groove, it has and can tilt to avoid sound detecting pipe, fall, be conducive to the effect of the proper testing of sound detecting pipe；A kind of construction technology applied to grout pile end follow-up grouting device is further related to, having reinforces foundation pile side soil (including sediment and mudcake), improves bearing capacity of single pile, reduces single pile settlement effect.
Description
Technical field
The present invention relates to the technical fields that bridge is built, more particularly, to a kind of grout pile end follow-up grouting device and its work
Skill.
Background technique
With the development that China is built, bored concrete pile foundation is in engineerings such as urban skyscraper, port and pier, traffic and oceans
In have been more and more widely used, because its have can be widely used in all kinds of soil conditions, the draw ratio of stake can be selected flexibly
With, bearing capacity is high the advantages that, have become China's one of widely used main foundation form at this stage.To bored concrete pile foundation
Reasonable employment, can effectively improve the bearing capacity of ground, reduce the sedimentation and deformation of buildings or structures, and can improve and build
(structure) builds the anti-seismic performance of object, so that it is guaranteed that the long-time service safety of buildings or structures.
Currently, the Chinese patent that publication No. is CN103114576A discloses a kind of post grouting construction side for bored concrete pile
Method, it includes the following steps: rotary digging drilling hole；The steel reinforcement cage for having post jacking device is placed in the stake holes dug；Pressure after described
Sizing device include lower end be located at two of steel reinforcement cage top upper longitudinal Grouting Pipes, lower ends be located in two in the middle part of steel reinforcement cage it is vertical
It is located under two of steel reinforcement cage lower part longitudinal Grouting Pipe to Grouting Pipe and lower end, six longitudinal Grouting Pipes are uniformly fixed on
It is on the outside of steel reinforcement cage and opposite two-by-two；Pour pile concrete；Post jacking: open loop；Pressure injection 10-15 minutes clear water again；Stake top pressure
Slurry, pile tip grouting, stake side pressure grouting.
However, needing to connect and fixed sound detecting pipe, the fixed form of conventional sound detecting pipe being while steel reinforcement cage installation
Manually screwed by iron wire it is fixed it is insecure that this set will lead to sound detecting pipe test on reinforcing bar, tilt, the feelings fallen
Condition, to influence the test effect of sound detecting pipe.
Summary of the invention
The first object of the present invention is to provide a kind of grout pile end follow-up grouting device, and having can incline to avoid sound detecting pipe
Tiltedly, fall, be conducive to the effect of the proper testing of sound detecting pipe.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of grout pile end follow-up grouting device can on the steel reinforcement cage including steel reinforcement cage, the sound detecting pipe being set on steel reinforcement cage
Dismantling connection has mounting blocks, and the card slot engaged with the steel bars on steel reinforcement cage, the card slot card are offered on the mounting blocks
Mouthful side side wall on offer thread groove, grafting through-hole is offered on the side wall of the other side, in the thread groove and grafting through-hole
It is threaded with T-type threaded rod, the fixing groove for fixing sound detecting pipe, the side of the fixing groove are also provided on the mounting blocks
Locating slot is offered on wall, locating rod is slidably connected in the locating slot, and the end of the locating rod is fixedly connected with extruding
Piece is fixedly connected with sliding block on the side wall of the locating rod, and the cunning for sliding block sliding is offered on the side wall of the locating slot
Slot is fixedly connected with the back-moving spring for pulling sliding block, the side of the extruding plate and sound detecting pipe between the sliding block and sliding slot
Wall sliding squeezes.
By using above-mentioned technical proposal, sound detecting pipe squeezes the card slot on mounting blocks and is fastened on during installation
On the reinforcing bar side wall of steel reinforcement cage, and it is screwed T-type threaded rod in thread groove, grafting through-hole, after the completion of mounting blocks are fixed,
It is fixed on sound detecting pipe extruding in fixing groove, and squeezes the side walls of extruding plate and sound detecting pipe.To make the position of sound detecting pipe
It sets and is fixed, this fixed form, which is compared to, directly screws fixation with iron wire, and having can make sound detecting pipe setting stronger,
Sound detecting pipe inclination is avoided simultaneously, is fallen, and the proper testing of sound detecting pipe is conducive to.
The present invention is further arranged to: being offered cotter way on the side wall of the fixing groove, is slidably connected in the cotter way
Gag lever post, the gag lever post are arranged along the sidewall direction perpendicular to sound detecting pipe, are fixedly connected between the cotter way and gag lever post
For pushing the reset spring of gag lever post, the limiting slot with gag lever post sliding plug is offered on the side wall of the sound detecting pipe.
By using above-mentioned technical proposal, sound detecting pipe is during grafting, when cotter way is aligned with limiting slot sliding, limit
Position bar under the action of reset spring sliding plug in limiting slot.It is more firm that this set can be such that sound detecting pipe is arranged with mounting blocks
Gu.
The present invention is further arranged to: the extruding plate it is unilateral on be fixedly connected with elastic cushion, the elastic cushion and sound
The side wall of test tube, which is bonded, to be squeezed.
By using above-mentioned technical proposal, the elastic deformation that the setting of elastic cushion both can use itself carries out sound detecting pipe
It squeezes, while the contact area of elastic cushion and sound detecting pipe is bigger, is conducive to keep sound detecting pipe setting stronger.
The present invention is further arranged to: being provided with anti-skid chequer on the side wall of the elastic cushion.
By using above-mentioned technical proposal, anti-skid chequer can increase the frictional force between elastic cushion and sound detecting pipe side wall, have
Conducive to keeping the setting of sound detecting pipe stronger.
The present invention is further arranged to: receiving sheet, the receiving sheet and sound detecting pipe are hinged on the side wall of the sound detecting pipe
Side wall between be provided with torsional spring, offered on the notch inner wall of the fixing groove with receiving sheet contradict support holding groove.
By using above-mentioned technical proposal, holding groove can be supported receiving sheet, so that sound detecting pipe is supported,
Be conducive to make the setting of sound detecting pipe more stable, sound detecting pipe is avoided to slide from fixing groove.
The present invention is further arranged to: the holding tank for accommodating receiving sheet is offered on the side wall of the sound detecting pipe.
By using above-mentioned technical proposal, holding tank can be accommodated receiving sheet, and receiving sheet is avoided to be placed in sound always
Outside the side wall of test tube, influences the normal transport of sound detecting pipe, places, meanwhile, when receiving sheet rotation is vertical with the side wall of sound detecting pipe simultaneously
And when contradicting with holding groove, the cell wall of holding tank can be limited receiving sheet, guarantee that receiving sheet and the normal of holding groove are supported
Touching.
The present invention is further arranged to: the locating rod is fixedly connected with pull rod, the fixed block backwards to extruding plate one end
On offer for pull rod sliding bar slot.
By using above-mentioned technical proposal, the setting of pull rod pulls locating rod convenient for construction personnel.
The second object of the present invention is to provide a kind of construction technology applied to above-mentioned grout pile end follow-up grouting device, packet
Include S1: surveying and locating chooses the position of setting-out stake point；
S2: protecting tube embedding: make steel pile casting using vibration hammer jacked pile point position and bore ground pore-forming；
S3；Mud pit arrangement and slurrying；
S4；The production and decentralization of steel reinforcement cage: decentralization steel reinforcement cage is plugged in steel reinforcement cage in drilling, makes on mounting blocks before decentralization
Card slot extruding is fastened on the reinforcing bar side wall of steel reinforcement cage, and is screwed T-type threaded rod in thread groove, grafting through-hole, is pacified
After the completion of dress block is fixed, it is fixed on sound detecting pipe extruding in fixing groove, and contact at the receiving sheet on sound detecting pipe in holding groove,
And squeeze the side walls of extruding plate and sound detecting pipe；
S5: secondary pile hole cleaning: will be inserted into conduit in drilling, and entering mud in S3 in drilling by conduit, to displace particle larger
Mud, check sediment thickness；
S6: pouring underwater concrete: make filling concrete in drilling by big hopper；
S7: pile-end post-grouting passes through the end end of the madjack pipe defaulted in pile body and the stake being attached thereto, the note of the side wall of stake
It starches valve and injects cement slurry；
S8: quality inspection of the piles.
By using above-mentioned technical proposal, S1 is conducive to choose the geology for more meeting construction requirement before construction；S2 has
Conducive to pressure in drilling orifice and hole is stablized, guarantee the stability and water penetration of surface layer address；Easily necking down after Completion of Drilling Hole, by
There is great water retention in mud, therefore the preparation of mud can protect the side wall of drilling, maximally reduce
Boring aperture necking down；S4 is conducive to sound detecting pipe setting securely, guarantees the proper testing of sound detecting pipe；S5 may insure mud jacking channel
Dredging；S7 reinforces an end, Pile side soil body；Available more firm by the carry out of above-mentioned process flow, quality is more
High foundation pile reinforces foundation pile side soil (including sediment and mudcake), improves bearing capacity of single pile, reduces single pile settlement.
In conclusion advantageous effects of the invention are as follows:
1, by the setting of mounting blocks, can play keeps sound detecting pipe setting stronger, avoids sound detecting pipe inclination, falls, makes sounding
The effect of the proper testing of pipe；
2, pass through S1The process flow of S8 can be such that foundation pile side soil (including sediment and mudcake) is reinforced, and improve single
Pile bearing capacity reduces single pile settlement.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the schematic diagram for embodying mounting blocks cross-sectional view of the structure；
Fig. 3 is the schematic diagram of enlarged drawing at A in Fig. 2；
Fig. 4 is the schematic diagram of enlarged drawing at B in Fig. 2；
Fig. 5 is the schematic diagram for embodying gag lever post cross-sectional view of the structure；
Fig. 6 is present invention process flow diagram.
In figure, 1, steel reinforcement cage；2, sound detecting pipe；3, mounting blocks；4, card slot；5, thread groove；6, grafting through-hole；7, T-type screw thread
Bar；8, fixing groove；9, holding tank；10, adapting rod；11, receiving sheet；12, holding groove；13, cotter way；14, gag lever post；15, it positions
Slot；16, locating rod；17, sliding block；18, sliding slot；19, back-moving spring；20, extruding plate；21, elastic cushion；22, pull rod；23, bar slot.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of grout pile end follow-up grouting device, referring to Fig.1, including steel reinforcement cage 1, the sound detecting pipe being set on steel reinforcement cage 1
2.Wherein, mounting blocks 3 are removably connected on steel reinforcement cage 1, mounting blocks 3 are arranged in cuboid.
Referring to Fig.1, the side of mounting plate offers card slot 4, the rounded setting of card slot 4, card slot 4 and the steel on steel reinforcement cage 1
Muscle squeezes engaging.Thread groove 5 is offered on the side side wall of 4 bayonet of card slot, and grafting through-hole 6, spiral shell are offered on the side wall of the other side
Groove 5 and the perforation of grafting through-hole 6 connect.T-type threaded rod 7, T-type threaded rod 7 are threaded in thread groove 5 and grafting through-hole 6
End face and mounting plate side wall rotate contradict.
Referring to Fig.1, mounting blocks 3 are also provided with the fixing groove 8 for fixing sound detecting pipe 2, fixing groove 8 backwards to 4 side of card slot
Rounded setting.Sound detecting pipe 2 engages with the extruding of fixing groove 8.
Referring to Fig. 2 and Fig. 3, holding tank 9 is symmetrically offered on the side wall of sound detecting pipe 2, the inner cavity of holding tank 9 is set in cuboid
It sets.It is rotatably connected to adapting rod 10 in holding tank 9, is fixedly connected with torsional spring between rotating bar and the side wall of holding tank 9.Adapting rod
Receiving sheet 11 is fixedly connected on 10, the rotation of receiving sheet 11 is fastened in holding tank 9, and receiving sheet 11 is backwards to 10 side side of adapting rod
The upper side wall of the arc-shaped setting of wall, receiving sheet 11 is bonded with the rotation of the upper side wall of holding tank 9.
Referring to Fig. 2 and Fig. 3, the holding groove 12 being slidably fastened with receiving sheet 11 is symmetrically offered on the side wall of fixing groove 8, is held
Access slot 12 is horizontally disposed.
Referring to Fig. 5, fixing groove 8 offers cotter way 13 on the side wall of its notch, and cotter way 13 is located at where holding groove 12
The lower section of horizontal plane.The cylindrical setting in the inner cavity of cotter way 13 slidably connects gag lever post 14 in cotter way 13, and gag lever post 14 is in circle
Column setting, is fixedly connected with the reset spring for pushing gag lever post 14 between gag lever post 14 and the bottom sidewall of cotter way 13.
The limiting slot being slidably fastened with gag lever post 14 is offered on the side wall of sound detecting pipe 2.
Referring to Fig. 2 and Fig. 4, locating slot 15 is symmetrically offered on the side wall of fixing groove 8, the inner cavity of locating slot 15 is cylindrical
Setting.Locating slot 15 is arranged along perpendicular to 13 direction of cotter way.Locating rod 16 is slidably connected in locating slot 15.The bar of locating rod 16
It is symmetrically fixedly connected with sliding block 17 with it, sliding block 17 is arranged in cuboid.It symmetrically offers on the side wall of locating slot 15 for sliding
The sliding slot 18 that block 17 is slided along the length direction of locating slot 15.
Referring to Fig. 2 and Fig. 4, sliding slot 18 is measured close to 8 instrument of fixing groove and is fixedly connected with drawing between 17 side wall of side wall and sliding block
Tight spring 19, back-moving spring 19 are arranged along the direction for being parallel to locating rod 16.
Referring to Fig. 2 and Fig. 4, the end of locating rod 16 towards fixing groove 8 is fixedly connected with extruding plate 20, and extruding plate 20 is in arc
Shape setting, extruding plate 20 are bonded with the side walls of sound detecting pipe 2.
Referring to Fig. 2 and Fig. 4, it is fixedly connected with elastic cushion 21 on the concave surface of extruding plate 20, is opened up on the side wall of elastic cushion 21
There is anti-skid chequer, elastic cushion 21 is bonded extruding with the side wall of sound detecting pipe 2.
Referring to Fig. 2 and Fig. 4, locating rod 16 is fixedly connected with pull rod 22 backwards to 20 one end of extruding plate, and railing is cylindrical to be set
It sets and is arranged along 16 direction of locating rod is parallel to, the bar slot 23 mobile for pull rod 22 is offered on mounting blocks 3.
Specific implementation process: mounting blocks 3 during the installation process, squeeze the card slot 4 on mounting blocks 3 and are fastened on steel reinforcement cage 1
Reinforcing bar side wall on, and be screwed T-type threaded rod 7 in thread groove 5, grafting through-hole 6；After the completion of mounting blocks 3 are fixed, draw
Dynamic pull rod 22 makes pull rod 22 drive locating rod 16 mobile, is sticked in the extruding of sound detecting pipe 2 in fixing groove 8, holds in extrusion process
11 sliding plug of contact pin is in holding groove 12, when cotter way 13 is aligned with limiting slot sliding, work of the gag lever post 14 in reset spring
It is plugged in limiting slot with lower slider, loosening pull rod 22 at this time squeezes the side walls of extruding plate 20 and sound detecting pipe 2.
A kind of construction technology applied to above-mentioned grout pile end follow-up grouting device, referring to Fig. 6, including S1: using whole station
The position of instrument selection setting-out stake point；
S2: after the completion of the position of stake point is chosen, 1 meter of shallow hole is first dug at stake point position, vibration hammer is recycled to clamp steel pile casting
Being lifted into corresponding position makes later in steel pile casting indentation soil, and in process of press in, steel pile casting bottom center align piles position center is adjusted
Whole steel pile casting verticality keeps steel pile casting vertical with ground holding, indentation after the completion of make steel pile casting top surface be higher by original ground 0.3m with
On, the lateral wall of steel pile casting fills up compacting with clay；
S3: mud pit is dug near the drilling of stake point, the center of mud pit is fixedly connected with baffle, and mud pit is divided into packet by baffle
Sedimentation basin and pulp storage tank are included, short slot is offered on the upper side wall of baffle, mud is introduced into sedimentation basin, and the mud after precipitating passes through
Short slot enters in pulp storage tank to use.
S4: production steel reinforcement cage 1, while madjack pipe is made, madjack pipe both ends take screw thread to connect, and open up on madjack pipe
There is mud jacking hole, mud jacking hole is blocked with drawing pin, and the both ends of madjack pipe are blocked using adhesive tape.
After steel reinforcement cage 1 completes, madjack pipe is made to be fixedly connected on the lateral wall of steel reinforcement cage 1, while made on mounting blocks 3
The extruding of card slot 4 be fastened on the reinforcing bar side wall of steel reinforcement cage 1, and be screwed T-type threaded rod 7 in thread groove 5, grafting through-hole
In 6；It after the completion of mounting blocks 3 are fixed, pulls pull rod 22 that pull rod 22 is made to drive locating rod 16 mobile, is sticked in the extruding of sound detecting pipe 2
In fixing groove 8,11 sliding plug of receiving sheet is in holding groove 12 in extrusion process, when cotter way 13 is aligned with limiting slot sliding
When, in limiting slot, loosen pull rod 22 at this time makes extruding plate 20 and sound to gag lever post 14 for sliding plug under the action of reset spring
The side walls of test tube 2 squeeze, and transfer steel reinforcement cage 1 after the completion of fixed, are plugged in steel reinforcement cage 1 in drilling, and by drilling machine drill
Hole, the mud being discharged during drilling enter in sedimentation basin (reference of this segment structure Fig. 2, Fig. 3 and Fig. 4)；
S5: carrying out displacement mud borehole cleaning using pump suction type, and conduit is inserted into drilling, and conduit is inserted to be buried in specially control bottom, conduit
Buried depth in concrete is 3m, replaces interior suspension of portalling by the mud after precipitating in injection S3 process into conduit and bores
Slag, it is ensured that mud sediment thickness is less than 15cm；
S6: pouring underwater concrete makes big hopper be plugged in conduit nozzle, injects concrete by conduit by big hopper and bores
Kong Zhong, concrete pile after a period of time；
S7: it pile-end post-grouting: is injected by the grouting valve of the madjack pipe defaulted in pile body and the stake end being attached thereto, stake side
Cement slurry.After pile in 12 hours, the clear water of fixed quantity is first put into agitator tank, the cement for adding fixed amount sufficiently stirs
It mixes, ratio of mud 0.6:1.High-pressure rubber pipe connect with mudjack, madjack pipe, starts mudjack after errorless, utilizes and deployed
Slurries implement water filling pressure channel process to Grouting Pipe, and persistently control precompressed water 1 minute, so as to the protection of splitting pile base concrete
Layer, gets through slip casting channel, reinforces an end, Pile side soil body.Wherein, mud jacking pressure proposed adoption 1.8MPa keeps certain
Mud jacking flow velocity, until mud jacking amount reaches design requirement, this mud jacking terminates.
S8: quality inspection of the piles, detect foundation pile concrete slump, make concrete slump control 18cm~22cm it
Between.
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 (8)
1. a kind of grout pile end follow-up grouting device, including steel reinforcement cage (1), the sound detecting pipe (2) being set on steel reinforcement cage (1),
It is characterized in that: being removably connected with mounting blocks (3) on the steel reinforcement cage (1), offered on the mounting blocks (3) and steel reinforcement cage
(1) card slot (4) of the steel bars engaging on, offers thread groove (5) on the side side wall of card slot (4) bayonet, another
It is offered on the side wall of side grafting through-hole (6), is threaded with T-type threaded rod (7) in the thread groove (5) and grafting through-hole (6),
It is also provided with the fixing groove (8) for fixing sound detecting pipe (2) on the mounting blocks (3), is opened up on the side wall of the fixing groove (8)
Have locating slot (15), slidably connected locating rod (16) in the locating slot (15), the end of the locating rod (16) is fixed to be connected
It is connected to extruding plate (20), is fixedly connected with sliding block (17) on the side wall of the locating rod (16), the side wall of the locating slot (15)
On offer for sliding block (17) sliding sliding slot (18), be fixedly connected between the sliding block (17) and sliding slot (18) for drawing
The back-moving spring (19) of movable slider (17), the side walls extruding of the extruding plate (20) and sound detecting pipe (2).
2. a kind of grout pile end follow-up grouting device according to claim 1, it is characterised in that: the fixing groove (8)
It offers on side wall cotter way (13), is slidably connected gag lever post (14) in the cotter way (13), the gag lever post (14) is along vertical
It is arranged in the sidewall direction of sound detecting pipe (2), is fixedly connected between the cotter way (13) and gag lever post (14) for pushing limit
The reset spring of bar (14) offers on the side wall of the sound detecting pipe (2) and the limiting slot of gag lever post (14) sliding plug.
3. a kind of grout pile end follow-up grouting device according to claim 1, it is characterised in that: the extruding plate (20)
It is fixedly connected on unilateral elastic cushion (21), the elastic cushion (21) is bonded extruding with the side wall of sound detecting pipe (2).
4. a kind of grout pile end follow-up grouting device according to claim 3, it is characterised in that: the elastic cushion (21)
Anti-skid chequer is provided on side wall.
5. a kind of grout pile end follow-up grouting device according to claim 2, it is characterised in that: the sound detecting pipe (2)
It is hinged on side wall receiving sheet (11), is provided with torsional spring, the fixation between the receiving sheet (11) and the side wall of sound detecting pipe (2)
The holding groove (12) that support is contradicted with receiving sheet (11) is offered on the notch inner wall of slot (8).
6. a kind of grout pile end follow-up grouting device according to claim 5, it is characterised in that: the sound detecting pipe (2)
The holding tank (9) for accommodating receiving sheet (11) is offered on side wall.
7. a kind of grout pile end follow-up grouting device according to claim 1, it is characterised in that: locating rod (16) back
It is fixedly connected with pull rod (22) to extruding plate (20) one end, the bar slot for pull rod (22) sliding is offered on the fixed block
(23).
8. a kind of construction technology applied to the grout pile end follow-up grouting device described in claim 5, it is characterised in that: packet
Include S1: surveying and locating chooses the position of setting-out stake point；
S2: protecting tube embedding: make steel pile casting using vibration hammer jacked pile point position and bore ground pore-forming；
S3；Mud pit arrangement and slurrying；
S4；The production and decentralization of steel reinforcement cage (1): decentralization steel reinforcement cage (1) is plugged in steel reinforcement cage (1) in drilling, makes to pacify before decentralization
Dress block (3) on card slot (4) extruding is fastened on the reinforcing bar side wall of steel reinforcement cage (1), and make T-type threaded rod (7) be screwed in
In thread groove (5), grafting through-hole (6), after the completion of mounting blocks (3) are fixed, squeeze sound detecting pipe (2) and is fixed in fixing groove (8),
And contact at the receiving sheet (11) on sound detecting pipe (2) in holding groove (12), and make the side wall of extruding plate (20) Yu sound detecting pipe (2)
Sliding squeezes；
S5: secondary pile hole cleaning: will be inserted into conduit in drilling, and entering mud in S3 in drilling by conduit, to displace particle larger
Mud, check sediment thickness；
S6: pouring underwater concrete: make filling concrete in drilling by big hopper；
S7: pile-end post-grouting: pass through the end end of the madjack pipe defaulted in pile body and the stake being attached thereto, the note of the side wall of stake
It starches valve and injects cement slurry；
S8: quality inspection of the piles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621988.6A CN110374092B (en) | 2019-07-10 | 2019-07-10 | Pile end post-grouting device and process for cast-in-place pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910621988.6A CN110374092B (en) | 2019-07-10 | 2019-07-10 | Pile end post-grouting device and process for cast-in-place pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110374092A true CN110374092A (en) | 2019-10-25 |
| CN110374092B CN110374092B (en) | 2021-08-13 |
Family
ID=68250896
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910621988.6A Active CN110374092B (en) | 2019-07-10 | 2019-07-10 | Pile end post-grouting device and process for cast-in-place pile |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113279419A (en) * | 2021-07-14 | 2021-08-20 | 四川藏区高速公路有限责任公司 | Anti-slide pile and tunnel portal anti-slide pile simulation test device |
| CN113718863A (en) * | 2021-09-03 | 2021-11-30 | 广东益鑫源工程建设管理咨询有限公司 | Geotechnical engineering pile foundation quality detection structure and application method thereof |
| CN113789788A (en) * | 2021-09-08 | 2021-12-14 | 华能南京金陵发电有限公司 | Foundation structure based on steam-electricity double-drive steam turbine cast-in-place pile |
| CN113914319A (en) * | 2021-11-26 | 2022-01-11 | 中国二十冶集团有限公司 | Connecting method of grouting pipes |
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| CN113279419A (en) * | 2021-07-14 | 2021-08-20 | 四川藏区高速公路有限责任公司 | Anti-slide pile and tunnel portal anti-slide pile simulation test device |
| CN113718863A (en) * | 2021-09-03 | 2021-11-30 | 广东益鑫源工程建设管理咨询有限公司 | Geotechnical engineering pile foundation quality detection structure and application method thereof |
| CN113789788A (en) * | 2021-09-08 | 2021-12-14 | 华能南京金陵发电有限公司 | Foundation structure based on steam-electricity double-drive steam turbine cast-in-place pile |
| CN113789788B (en) * | 2021-09-08 | 2024-06-04 | 华能南京金陵发电有限公司 | Foundation structure based on cast-in-place pile of steam-electric double-drive steam turbine |
| CN113914319A (en) * | 2021-11-26 | 2022-01-11 | 中国二十冶集团有限公司 | Connecting method of grouting pipes |
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| CN110374092B (en) | 2021-08-13 |
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