CN106894417A - Cast-in-situ bored pile interlayer and sediment are removed and reinforcing device and construction method - Google Patents
Cast-in-situ bored pile interlayer and sediment are removed and reinforcing device and construction method Download PDFInfo
- Publication number
- CN106894417A CN106894417A CN201710233702.8A CN201710233702A CN106894417A CN 106894417 A CN106894417 A CN 106894417A CN 201710233702 A CN201710233702 A CN 201710233702A CN 106894417 A CN106894417 A CN 106894417A
- Authority
- CN
- China
- Prior art keywords
- hole
- sediment
- high pressure
- interlayer
- slurry
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013049 sediment Substances 0.000 title claims abstract description 58
- 239000011229 interlayer Substances 0.000 title claims abstract description 48
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 24
- 238000010276 construction Methods 0.000 title claims description 11
- 239000002002 slurry Substances 0.000 claims abstract description 134
- 238000005553 drilling Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000007569 slipcasting Methods 0.000 claims abstract description 8
- 239000011083 cement mortar Substances 0.000 claims description 28
- 238000002347 injection Methods 0.000 claims description 25
- 239000007924 injection Substances 0.000 claims description 25
- 230000007704 transition Effects 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 16
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000003818 cinder Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 238000007596 consolidation process Methods 0.000 abstract description 5
- 230000008030 elimination Effects 0.000 abstract description 5
- 238000003379 elimination reaction Methods 0.000 abstract description 5
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000196435 Prunus domestica subsp. insititia Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/08—Removing obstacles
-
- 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
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Earth Drilling (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Removed and reinforcing device the invention discloses cast-in-situ bored pile interlayer and sediment, for being opened in slip casting in the drilling of bored concrete pile to radial direction, wherein, mainboard is sealed, located at bored concrete pile top, envelope is located at drilling end；Slurry-feeding hole, slurry outlet, are opened in sealing mainboard, can be connected with drilling simultaneously；High pressure slurries device, gaslift decompressor, its output end are connected with slurry-feeding hole.The cast-in-situ bored pile interlayer and sediment that the present invention is provided remove the removing and repairing of the pile body interlayer or pile bottom sediment that are applied to various stake footpaths with reinforcing device, remove without dead angle, elimination effect more preferably, can reduce the pressure loss, elimination effect is improved, environmental protection is conducive to using circular flow；Pressurizeed after repairing and consolidated, pressure diffusion scope is constant, and consolidation strength is high.
Description
Technical field
Removed and reinforcing device the present invention relates to construction engineering technical field, more particularly to cast-in-situ bored pile interlayer and sediment
And construction method.
Background technology
During bored pile construction, the reason for by each side, a part of concrete consolidation of pile body is likely to result in
It is bad or accompany the phenomenons such as mud layer or the bottom of stake and have blocked up weak sediment, it is commonly called as " interlayer " or " broken pile " phenomenon.
General at present that borehole cleaning operation or injection cement mortar are carried out with high-pressure rotary jetting apparatus, this mode is made under the environment of opening
Industry, the easy pressure release backflow of cement mortar of penetrating, slurries can not enter and be maintained at the position for needing repairing.The induration of formation is strong
Degree is not high enough.The through broken pile of pore-forming or interlayer position after-pouring are new again in existing pile body also to bore method using water mill in engineering
Concrete, form new pile body, work progress complexity security is poor, and due to needing manually to be worked in pile body, its
Practicality is limited to pile body of a footpath more than more than 1 meter.
The content of the invention
The cast-in-situ bored pile interlayer and sediment that the present invention is provided are removed and reinforcing device, solve in prior art problem the
One or more.
The cast-in-situ bored pile interlayer and sediment that the present invention is provided are removed and reinforcing device, for being opened in bored concrete pile to radial direction
Drilling in slip casting, wherein,
Sealing mainboard, located at bored concrete pile top, envelope is located at drilling end；
Slurry-feeding hole, slurry outlet, are opened in sealing mainboard, can be connected with drilling simultaneously；
High pressure slurries device, gaslift decompressor, its output end are connected with slurry-feeding hole.
The cast-in-situ bored pile interlayer and sediment that the present invention is provided are removed the pile body for being applied to various stake footpaths with reinforcing device and are pressed from both sides
The removing of layer or pile bottom sediment and repairing, remove without dead angle, and elimination effect more preferably, can reduce the pressure loss, improve and remove effect
Really；Pressurizeed after repairing and consolidated, pressure diffusion scope is constant, and consolidation strength is high.
In some embodiments, high pressure slurries device includes high pressure slurry pump, high-voltage tube, fixing device, injection nozzle carrier, spray
Mouth；
Fixing device is fixed on sealing mainboard；
High-voltage tube is fixed on fixing device and through slurry-feeding hole, and its one end is connected with the output end of high pressure slurry pump, another
End connects with injection nozzle carrier, and nozzle is fixed on injection nozzle carrier；
The mud that high pressure slurry pump sprays sprays through flowing high-voltage tube from nozzle.
So, it is possible to achieve high-pressure slurry washes away to rejected region, pile body interlayer and pile bottom sediment are purged.
In some embodiments, fixing device includes base, screw rod, sealing ring；
Base is fixed on sealing mainboard, and base is provided with first through hole, and first through hole is corresponding with slurry-feeding hole and equal can hold
High-voltage tube of receiving passes through；
First through hole side wall is provided with annular flange, and side wall of the first through hole on annular flange top is provided with and matches with screw rod
Screw thread；
Sealing ring is sheathed on high-voltage tube outside and is placed in annular flange, and screw rod is provided with can accommodate that high-voltage tube passes through second and leads to
Hole and corresponding with the first through hole of base, the screw thread of screw rod and base with merges can crush seal circle make sealing ring generation deformation
Hold high pressure pipe outer wall tightly.
In this way, can by the gap seals between high-voltage tube and base, prevent slurries from this gap overflow, while can in case
Only high-voltage tube axial movement.
In some embodiments, injection nozzle carrier includes transition conduit, slurries siphunculus, separating tube, axle envelope；
One end of transition conduit is provided with end face, and end face is provided with third through-hole, and one end of its opening is connected with high-voltage tube；
Axle envelope is fixed on third through-hole, and one end of slurries siphunculus and axle envelope are extended to the over crossing in pipe with merging, separating tube with
Slurries siphunculus is vertically arranged and connects；
Nozzle is vertically arranged located at the end of separating tube, nozzle with separating tube, and the slurries that nozzle sprays can drive separating tube
Horizontally rotate.
In this way, the slurries that nozzle sprays give separating tube one power backward, because injection nozzle carrier is provided with axle envelope, so separating tube
Slurries siphunculus is driven to be rotated in axle envelope, realization is washed away to the interlayer or sediment in scope.
In some embodiments, injection nozzle carrier also includes revolving member, turntable bearing, and revolving member is placed in transition conduit,
Turntable bearing is placed in transition conduit inside and between revolving member and the end face of transition conduit, and slurries siphunculus is placed in transition conduit
Partially pass through turntable bearing and the central shaft through revolving member is fixed.
In this way, increasing revolving member and turntable bearing, the friction directly over axle envelope is reduced, slurries siphunculus drives revolving member
During rotation, the cooperation of revolving member and turntable bearing causes that the rotation of slurries siphunculus is more smooth, so that separating tube rotates more suitable
Slip.
In some embodiments, the structure of gaslift decompressor and the structure of high pressure hydraulics are identical, are only by height
Mud jacking liquid pump replaces with air compressor machine.
In this way, the high pressure slurries of input are become into compressed air so that air can make gas-liquid with slurries gas-liquid mixed
Can be discharged with rapid increase.
In some embodiments, also including overflow circulating apparatus, overflow circulating apparatus are mud cleaner, overflow circulating
Device input can be connected by ftercompction part with slurry outlet, and output end is connected with the input of high pressure slurry pump.
In this way, being realized and the mixed mud circular flow of sediment in construction, be conducive to environmental protection.
The present invention provide cast-in-situ bored pile interlayer and sediment remove with reinforcing construction method, it is characterised in that including with
Lower step：
S1：To check and accept underproof pile body drilling or by the use of drilled drawing-core detect when drilling as working hole, root
The quantity of working hole is determined according to pile body diameter size；
S2：If the more close drilling of two distances of selection is used as main working hole and back work hole between dry hole,
Sealing mainboard is sealingly fastened in the top in main working hole and back work hole respectively, remaining drilling carries out sealing closing；
S3：Start high pressure slurries device to enter pile body inside interlayer or pile bottom sediment in main working hole input high pressure slurries
Row washes away, while start gaslift decompressor being sufficiently mixed rear edge with mud to being input into compressed air, sediment in back work hole
The slurry outlet of main working hole or back work hole top sealing mainboard enters high pressure slurry pump after entering overflow circulating apparatus purification,
So circulation can differentiate sediment up to the sediment of interlayer or bottom is cleaned out by silt content in the mud for analyzing return
With the cleaning degree of clamping；
S4：Replaceable two other drilling of size according to stake footpath repeats S2-S3 steps, until by the interlayer of pile body and stake
Bottom sediment cleaning is completed；
S5：After interlayer and pile bottom sediment are cleaned out, the mud that high pressure slurry pump scarfing cinder is used is changed into label higher than stake
One cement mortar of grade of body concrete label, carries out the mud in pile body and replaces to injection cement mortar in main working hole, while
Overflow circulating apparatus are disconnected with the connection of drilling and all apertures are opened, until the cement mortar concentration gushed out of aperture with
The cement mortar of injection is approached；
S6：Slip casting is replaced, and the equipment that high pressure slurries device and gaslift decompressor are located in drilling is taken out, by high pressure
The output end of slush pump is directly connected with slurry-feeding hole or slurry outlet, and remaining aperture seals closing, and high pressure slurry pump is to work
Continue to inject cement mortar in hole, the cement mortar pressure in working hole is maintained under setting pressure, after maintaining certain hour, close
High pressure slurry pump, after after cement mortar final set in working hole, removes and seals mainboard.
In some embodiments, in step s3, through the pulp by main working hole after sediment and mud are sufficiently mixed
Hole exports in high pressure slurry pump after being purified into mud cleaner；
When interlayer or sediment are washed makes winner's working hole identical logical with back work bottom hole portion, slurries and gaslift subtract
The compressed air gas-liquid mixed sprayed in pressure device so that mixed gas-liquid enters mud from the slurry outlet in back work hole
Slurry clarifier.
Brief description of the drawings
The cast-in-situ bored pile interlayer and sediment of a kind of implementation method that Fig. 1 is provided for the present invention are removed and installed with reinforcing device
In the schematic diagram of job site；
The cast-in-situ bored pile interlayer and sediment of a kind of implementation method that Fig. 2 is provided for the present invention remove the envelope with reinforcing device
Mouth mainboard structure schematic diagram；
The cast-in-situ bored pile interlayer and sediment of a kind of implementation method that Fig. 3 is provided for the present invention remove the height with reinforcing device
The structural representation of mud jacking liquid device；
Fig. 4 is fixture structure schematic diagram in Fig. 3；
Fig. 5 is the injection nozzle carrier structural representation in Fig. 3；
Fig. 6 is the structural representation of nozzle in Fig. 3.
Specific embodiment
With reference to Figure of description, the present invention is described in more detail.
As shown in figures 1 to 6, the cast-in-situ bored pile interlayer and sediment that the present invention is provided are removed and reinforcing device, for radially
Slip casting in the drilling of bored concrete pile is opened in, wherein, mainboard 1 is sealed, located at bored concrete pile top, envelope is located at 99 ends of drilling；Enter slurry
Hole 11, slurry outlet 12, are opened in sealing mainboard 1, can be connected with drilling 99 simultaneously；High pressure slurries device 2, gaslift decompressor
3, its output end is connected with slurry-feeding hole 11.
The cast-in-situ bored pile interlayer and sediment that the present invention is provided are removed the pile body for being applied to various stake footpaths with reinforcing device and are pressed from both sides
The removing of layer or pile bottom sediment and repairing, if drilling dry hole 99 played on pile body or is beaten when being detected using drilled drawing-core
99, export high pressure slurries and rejected region in pile body is rotated by drilling 99 using high pressure slurries device 2 and wash away, remove without dead
Angle, elimination effect is more preferable；Washed away using the additional high pressure slurries device 2 of gaslift decompressor 4, high pressure slurries device 2 can be reduced
The pressure loss, improves elimination effect；Pressurizeed after slip casting repairing and consolidated, pressure diffusion scope is constant, and consolidation strength is high.
During work, one of drilling 99 of drilling 99 is used as main working hole 991 on first-selection selection pile body.Mainboard will be sealed
1 seals fixation in main working hole 991, and sealing mainboard 1 is formed around screw hole, and screw is fixed by screw hole by mainboard 1 is sealed
In bored concrete pile, while making slurry-feeding hole 11, slurry outlet 12 be respectively positioned in the diameter range of main working hole 991, remaining drilling 99 is sealed
Block.The input of high pressure hydraulics 2 is connected with the slurry-feeding hole 12 of main working hole 991.
Specifically, high pressure slurries device 2 includes high pressure slurry pump 21, high-voltage tube 22, fixing device 23, injection nozzle carrier 24, spray
Mouth 25.Wherein, the sealing mainboard 1 that fixing device 23 is fixed on main working hole 991, high-voltage tube 22 is fixed on fixing device 23 simultaneously
Through slurry-feeding hole 11, its one end is connected with the output end of high pressure slurry pump 21, and the other end is connected with injection nozzle carrier 24, and nozzle 25 is fixed
In injection nozzle carrier 24, the mud that high pressure slurry pump 21 sprays sprays through flowing high-voltage tube 22 from nozzle 25.
So, during high-voltage tube 22 can stretch into main working hole 991, the high-pressure slurry that high pressure slurry pump 21 sprays is through flowing high pressure
Pipe 22 washes away to rejected region, removes pile body interlayer and pile bottom sediment.
Specifically, fixing device 23 includes base 231, screw rod 232, sealing ring 233.Wherein, base 231 is fixed on main work
Make the sealing mainboard 1 in hole 991, base 231 is provided with first through hole 2311, and first through hole 2311 is corresponding with slurry-feeding hole 11 and equal
High-voltage tube 22 can be accommodated to pass through, the side wall of first through hole 2311 is provided with annular flange 2312, and first through hole 2311 is in annular flange
The side wall on 2312 tops is provided with the screw thread 2313 matched with screw rod 232, and sealing ring 233 is sheathed on the outside of high-voltage tube 22 and is placed in
Annular flange 2312, screw rod 232 be provided with can accommodate the second through hole 2321 that high-voltage tube 22 passes through and with the first through hole of base 231
2311 is corresponding, and screw rod 232 makes sealing ring 233 produce deformation with the screw thread 2313 of base 231 with energy crush seal circle 233 is merged
Hold the outer wall of high-voltage tube 22 tightly.
So, high-voltage tube 22 can successively from screw rod 232 the second through hole 231, sealing ring 233, the first of base 231 are led to
Hole 2311, slurry-feeding hole 11 enter in main working hole 991, rotary screw 232 and crush seal circle 233, can realize high-voltage tube 22
Fixation, while sealing the gap between high-voltage tube 22 and first through hole 2311, prevent from being overflowed from gap.
Specifically, injection nozzle carrier 24 includes transition conduit 241, slurries siphunculus 242, separating tube 243, axle envelope 244.Wherein, transition
One end of pipe 241 is provided with end face, and end face is provided with third through-hole 2411, and one end of its opening is connected with high-voltage tube 22；Axle
Envelope 244 is fixed on third through-hole 2411, one end of slurries siphunculus 242 and axle envelope 244 are extended to the over crossing in pipe 241 with merging, and divide
Liquid pipe 243 is vertically arranged and connects with slurries siphunculus 242；Nozzle 25 is located at the end of separating tube 243, nozzle 25 and separating tube
243 are vertically arranged, and the slurries that nozzle 25 sprays can drive separating tube 243 to horizontally rotate.
So, the high pressure slurries for being sprayed from high-voltage tube 22 can flow into transition conduit 241, and slurries siphunculus 242 is placed in transition conduit
One end in 241 flows into separating tube 243, is finally sprayed from nozzle 25.Because nozzle 25 is vertically arranged with separating tube 243, spray
Slurries have an opposite effect power to separating tube 243 so that separating tube 243 drives slurries siphunculus 242 to turn in axle envelope 244
It is dynamic, realize being washed away without dead angle to interlayer or sediment in certain limit.
It should be noted that nozzle 25 can be located at one end of separating tube 243, as preferably implementation method, nozzle 25
The two ends of separating tube 243 can also be located at, and the liquid outlet of two ends nozzle 25 is in opposite direction, can so improve and wash away effect
Rate, scouring effect.
Further, injection nozzle carrier 24 also includes revolving member 245, turntable bearing 246, and revolving member 245 is placed in transition conduit
In 241, turntable bearing 246 is placed in the inside of transition conduit 241 and between the end face of revolving member 245 and transition conduit 241, slurry
Liquid siphunculus 242 be placed in transition conduit 441 partially pass through turntable bearing 246 and the central shaft through revolving member 245 is fixed.
So, by revolving member 245 and turntable shaft 246, it is possible to reduce the friction directly over axle envelope 244, slurries siphunculus
When 242 drive revolving members 245 are rotated, the cooperation of revolving member 245 and turntable bearing 246 causes the rotation of slurries siphunculus 242
It is more smooth, so that separating tube 243 rotates more smooth.
During installation, for the ease of installing, high-voltage tube 22 can first be passed through the second through hole 231, sealing ring of screw rod 232
233rd, after the first through hole 2311 of base 231, slurry-feeding hole 11, the injection nozzle carrier 24 and high-voltage tube 22 that will be provided with nozzle 25 are connected solid
High-voltage tube 22 is put into main working hole 991 again after fixed, sealing mainboard is finally fixed on bored concrete pile.
By 2 pairs of main working holes 991 of high pressure slurries device carry out injection high pressure slurries rejected region is removed when, inject
Slurries and wash away out sediment mixing after rise along main working hole 991, discharged from the slurry outlet 12 of main working hole 991.
When rejected region position is in it is deeper when, the mud that is sprayed to 2 nozzle of high pressure slurries device 25 of mud in drilling 99
Slurry effect generation reduces effect so that the souring of high-pressure slurry weakens, it is therefore desirable to use up the mud water level in drilling 99
May reduce.Solution is as back work hole 992, to ensure from a drilling 99 close with main working hole 991
The effective of high pressure slurries device 2 washes away scope, it is to avoid remove interlayer and sediment is omitted, using gaslift decompressor 3 to backman
That makees the operation of hole 992 realization raising cement mortar washes away stress problems.
Specifically, the structure of gaslift decompressor 3 is using identical with the structure of high pressure hydraulics 2, only it is by mud jacking high
Liquid pump 21 replaces with air compressor machine 31, i.e. gaslift decompressor 3 includes air compressor machine 31, high-voltage tube 22, fixing device 23, injection nozzle carrier 24
And nozzle 25, structure and annexation between part be consistent with high pressure slurries device 2, and this is no longer going to repeat them.
During work, by entering for the output end of gaslift decompressor 3 and the sealing mainboard 1 being fixed on back work hole 992
Slurry hole 11 connects so that air compressor machine 31 is interior to back work hole 992 to be input into compressed air, compressed air and slurries gas-liquid mixed,
Mixed gas-liquid unit weight is less than volume weight of slurry, quickly can be floated along back work hole 992 and be discharged from slurry outlet 12, makes
Slime water potential drop is low in drilling.
In site construction, because the mud spent by removing stage is very more, in order to avoid contaminated site, be conducive to ring
Protect, it is possible to which the mud that removing stage is discharged is circulated utilization.
Specifically, also including overflow circulating apparatus 4, overflow circulating apparatus 4 are mud cleaner, and overflow circulating apparatus 4 are defeated
Entering end can be connected with slurry outlet 12, and output end is connected with the input of high pressure slurry pump 21.During work, overflow circulating apparatus 4
Input can be connected with the slurry outlet 12 in main working hole 991 and back work hole 992 respectively, so, main working hole 991 or
The mud of the discharge of person's back work hole 992 can be flowed into overflow circulating apparatus 4, be input to again in high pressure slurry pump 21 after purification
Recycle.
After the completion of interlayer and pile bottom sediment in pile body are removed, the mud of the removing of high pressure slurry pump 21 is changed into height
In one cement mortar of label of pile concrete, continue to be injected to inside pile body, now by the input of overflow circulating apparatus and
Output end distinguishes slurry outlet 12 and high pressure slurry pump 21 disconnects, and all of hole position of pile body is fully open, observes from main work
Make hole 991 and the slurry outlet 12 in back work hole 992 and whether the cement mortar of other spillings of drilling 99 is dense with the cement mortar of input
Degree is consistent, such as it is basically identical, simultaneously close off high pressure slurries device 2 and gaslift decompressor 3 and will both from pile body dismounting.Will
The output end of high pressure slurry pump 21 is directly directly connected with slurry-feeding hole 11 or with slurry outlet 12, and by remaining aperture whole of pile body
Block, start high pressure slurry pump 21 and pile body inside is continued to inject cement mortar, high pressure slurry pump 21 is closed after maintaining a period of time,
After after cement mortar consolidation, all sealing mainboards 1 and device are removed into storage standby.
It should be noted that when high pressure slurry pump 21 is connected with slurry-feeding hole 11, can be using the base 231 of fixing device 23
The output end of high pressure slurry pump 21 is carried out into closed connection with slurry-feeding hole with the identical connected mode of high-voltage tube 22；Work as high pressure slurry pump
When 21 output end is connected with slurry outlet 12, can be connected and sealed by jointing, overflow circulating apparatus and slurry outlet
12 connection can also be connected using jointing transition seal, it would however also be possible to employ other modes, not limited herein.
Removed and reinforcing construction method present invention also offers cast-in-situ bored pile interlayer and sediment, comprised the following steps：
S1：To check and accept underproof pile body drilling 99 or by the use of drilled drawing-core detect when drilling 99 as work
Hole, the quantity of working hole is determined according to pile body diameter size；
S2：If the more close drilling 99 of two distances of selection is used as main working hole 991 and auxiliary between dry hole 99
Working hole 992, sealing mainboard 1 is sealingly fastened in the top in main working hole 991 and back work hole 992 respectively, remaining drilling
99 carry out sealing closing；
S3：Start 2 pairs of input high pressure slurries of main working hole 991 of high pressure slurries device heavy to pile body inside interlayer or stake bottom
Slag is washed away, while starting gaslift decompressor 3 to input compressed air in back work hole 992, sediment is abundant with mud
Slurry outlet 12 after mixing along main working hole 991 or the top of back work hole 992 sealing mainboard 1 is net into overflow circulating apparatus 4
Enter high pressure slurry pump 21, so circulation after change until the sediment of interlayer or bottom is cleaned out, can be by analyzing what is returned
In mud silt content come differentiate sediment and clamping cleaning degree；
S4：Replaceable two other drilling 99 of size according to stake footpath repeats S2-S3 steps, until by the interlayer of pile body and
Pile bottom sediment cleaning is completed；
S5：After interlayer and pile bottom sediment are cleaned out, changing the mud that the scarfing cinder of high pressure slurry pump 21 is used into label is higher than
One cement mortar of grade of pile body concrete grade, carries out the mud in pile body and replaces to injection cement mortar in main working hole 991,
Overflow circulating apparatus 4 are disconnected with the connection of drilling 99 simultaneously and opens all apertures, until the cement that aperture gushes out
Slurry concentration is approached with the cement mortar of injection；
S6：Slip casting is replaced, and takes out the equipment that high pressure slurries device 2 and gaslift decompressor 3 are located in drilling 99, will
The output end of high pressure slurry pump 21 is directly connected with slurry-feeding hole 11 or slurry outlet 12, and remaining aperture seals closing, high pressure mud
Stock pump 21 makes the cement mortar pressure in working hole be maintained under setting pressure to continuing to inject cement mortar in working hole, maintains one
After fixing time, high pressure slurry pump 21 is closed, after after cement mortar final set in working hole, remove and seal mainboard 1.
Wherein, in step s3, through entering mud by the slurry outlet 12 of main working hole 991 after sediment and mud are sufficiently mixed
Slurry clarifier 41 is exported in high pressure slurry pump 21 after purifying；Make winner's working hole 991 and auxiliary when interlayer or sediment are washed
When helping the bottom of working hole 992 identical logical, the compressed air gas-liquid mixed sprayed in slurries and gaslift decompressor 3 so that mixing
Gas-liquid afterwards enters mud cleaner 41 from the slurry outlet 12 in back work hole 992.
The above is only some embodiments of the present invention.For the person of ordinary skill of the art, do not departing from
On the premise of the invention is conceived, various modifications and improvements can be made, these belong to protection scope of the present invention.
Claims (9)
1. cast-in-situ bored pile interlayer and sediment are removed and reinforcing device, for being opened in slip casting in the drilling of bored concrete pile to radial direction,
Characterized in that,
Sealing mainboard (1), located at bored concrete pile top, envelope is located at drilling (99) end；
Slurry-feeding hole (11), slurry outlet (12), are opened in sealing mainboard (1), can be connected with drilling (99) simultaneously；
High pressure slurries device (2), gaslift decompressor (3), its output end are connected with slurry-feeding hole (11).
2. cast-in-situ bored pile interlayer according to claim 1 and sediment are removed and reinforcing device, it is characterised in that the height
Mud jacking liquid device (2) includes high pressure slurry pump (21), high-voltage tube (22), fixing device (23), injection nozzle carrier (24), nozzle (25)；
The fixing device (23) is fixed on sealing mainboard (1)；
The high-voltage tube (22) is fixed on fixing device (23) and through slurry-feeding hole (11), its one end and high pressure slurry pump (21)
Output end is connected, and the other end is connected with injection nozzle carrier (24), and the nozzle (25) is fixed on the injection nozzle carrier (24)；
The mud that the high pressure slurry pump (21) sprays sprays through flowing high-voltage tube (22) from nozzle (25).
3. cast-in-situ bored pile interlayer according to claim 2 and sediment are removed and reinforcing device, it is characterised in that described solid
Determining device (23) includes base (231), screw rod (232), sealing ring (233)；
The base (231) is fixed on sealing mainboard (1), and the base (231) is provided with first through hole (2311), and described first leads to
Hole (2311) is corresponding with slurry-feeding hole (11) and the equal high-voltage tube (22) that can accommodate passes through；
First through hole (2311) side wall is provided with annular flange (2312), and the first through hole (2311) is in annular flange
(2312) the side wall on top is provided with the screw thread (2313) matched with screw rod (232)；
The sealing ring (233) is sheathed on high-voltage tube (22) outside and is placed in the annular flange (2312), the screw rod (232)
Being provided with can accommodate the second through hole (2321) that high-voltage tube (22) passes through and relative with the first through hole (2311) of the base (231)
Should, the screw rod (232) produces sealing ring (233) with the screw thread (2313) of base (231) with energy crush seal circle (233) is merged
High-voltage tube (22) outer wall is held in raw deformation tightly.
4. cast-in-situ bored pile interlayer according to claim 2 and sediment are removed and reinforcing device, it is characterised in that the spray
Mouth frame (24) includes transition conduit (241), slurries siphunculus (242), separating tube (243), axle envelope (244)；
One end of the transition conduit (241) is provided with end face, and end face is provided with third through-hole (2411), its opening one end and high pressure
Pipe (22) is connected；
The axle envelope (244) is fixed on the third through-hole (2411), one end and the axle envelope (244) of the slurries siphunculus (242)
It is extended to the over crossing in pipe (241) with merging, the separating tube (243) is vertically arranged and connects with slurries siphunculus (242)；
The nozzle (25) is located at the end of separating tube (243), and the nozzle (25) is vertically arranged with separating tube (243), described
The slurries that nozzle (25) sprays can drive separating tube (243) to horizontally rotate.
5. cast-in-situ bored pile interlayer according to claim 4 and sediment are removed and reinforcing device, it is characterised in that the spray
Mouth frame (24) also includes revolving member (245), turntable bearing (246), and the revolving member (245) is placed in transition conduit (241),
It is internal and positioned at the revolving member (245) and transition conduit (241) that the turntable bearing (246) is placed in transition conduit (241)
Between end face, what the slurries siphunculus (242) was placed in transition conduit (241) partially passes through turntable bearing (246) and through rotation
The central shaft of component (245) is fixed.
6. cast-in-situ bored pile interlayer according to claim 4 and sediment are removed and reinforcing device, it is characterised in that the gas
The structure for lifting decompressor (3) is identical with the structure of high pressure hydraulics (2), is only that high pressure slurries pump (21) are replaced with into pneumatics
Machine (31).
7. cast-in-situ bored pile interlayer and sediment according to claim any one of 1-6 is removed and reinforcing device, and its feature exists
In also including overflow circulating apparatus (4), the overflow circulating apparatus (4) are mud cleaner, the overflow circulating apparatus (4)
Input can be connected with slurry outlet (12), and output end is connected with the input of high pressure slurry pump (21).
8. cast-in-situ bored pile interlayer and sediment are removed and reinforcing construction method, it is characterised in that comprised the following steps：
S1：Drilling (99) during to checking and accepting underproof pile body drilling (99) or detected using drilled drawing-core is used as working
Hole, the quantity of working hole is determined according to pile body diameter size；
S2：If selecting the more close drilling (99) of two distances between dry hole (99) as main working hole (991) and auxiliary
Working hole (992) is helped, mainboard (1) will be sealed and be sealingly fastened in the upper of main working hole (991) and back work hole (992) respectively
Side, remaining drilling (99) carries out sealing closing；
S3：Start high pressure slurries device (2) heavy to pile body inside interlayer or stake bottom to main working hole (991) input high pressure slurries
Slag is washed away, while starting gaslift decompressor (3) to input compressed air, sediment and mud in back work hole (992)
Enter overflow along the slurry outlet (12) of main working hole (991) or back work hole (992) top sealing mainboard (1) after being sufficiently mixed
Enter high pressure slurry pump (21), so circulation after EGR (4) purification until the sediment of interlayer or bottom is cleaned out, can
The cleaning degree of sediment and clamping is differentiated by silt content in the mud for analyzing return；
S4：Replaceable two other drilling (99) of size according to stake footpath repeats S2-S3 steps, until by the interlayer of pile body and stake
Bottom sediment cleaning is completed；
S5：After interlayer and pile bottom sediment are cleaned out, the mud that high pressure slurry pump (21) scarfing cinder is used is changed into label higher than stake
One cement mortar of grade of body concrete label, carries out the mud in pile body and replaces to injection cement mortar in main working hole (991),
Overflow circulating apparatus (4) are disconnected with the connection of drilling (99) simultaneously and opens all apertures, until what aperture gushed out
Cement mortar concentration is approached with the cement mortar of injection；
S6：Slip casting is replaced, and takes out the equipment of high pressure slurries device (2) and gaslift decompressor (3) in drilling (99),
The output end of high pressure slurry pump (21) is directly connected with slurry-feeding hole (11) or slurry outlet (12), remaining aperture seals envelope
Close, high pressure slurry pump (21) makes the cement mortar pressure in working hole be maintained at setting pressure to continuing to inject cement mortar in working hole
Under power, after maintaining certain hour, high pressure slurry pump (21) is closed, after after cement mortar final set in working hole, remove and seal mainboard
(1)。
9. cast-in-situ bored pile interlayer according to claim 8 and sediment are removed and reinforcing construction method, it is characterised in that
In step S3, through entering mud cleaner by the slurry outlet (12) of main working hole (991) after sediment and mud are sufficiently mixed
(41) output is arrived in high pressure slurry pump (21) after purifying；
When interlayer or sediment are washed makes winner's working hole (991) identical logical with back work hole (992) bottom, slurries and
The compressed air gas-liquid mixed sprayed in gaslift decompressor (3) so that mixed gas-liquid is from back work hole (992)
Slurry outlet (12) enter mud cleaner (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233702.8A CN106894417A (en) | 2017-04-11 | 2017-04-11 | Cast-in-situ bored pile interlayer and sediment are removed and reinforcing device and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710233702.8A CN106894417A (en) | 2017-04-11 | 2017-04-11 | Cast-in-situ bored pile interlayer and sediment are removed and reinforcing device and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106894417A true CN106894417A (en) | 2017-06-27 |
Family
ID=59197354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710233702.8A Pending CN106894417A (en) | 2017-04-11 | 2017-04-11 | Cast-in-situ bored pile interlayer and sediment are removed and reinforcing device and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106894417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736313A (en) * | 2019-01-03 | 2019-05-10 | 中国水利水电第十工程局有限公司 | Drill-pouring end-bearing pile handles pile bottom sediment technique using coring hole grouting behind shaft or drift lining |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5316404A (en) * | 1976-07-29 | 1978-02-15 | Raito Kougiyou Kk | Method of and material for forming pile |
| CN203374227U (en) * | 2013-07-30 | 2014-01-01 | 中建四局第一建筑工程有限公司 | Direct circulation hole-cleaning device |
| CN106120783A (en) * | 2016-07-11 | 2016-11-16 | 广州市鲁班建筑集团股份有限公司 | Bored concrete pile removing slag from pile bottom reinforcement process method |
| CN206625223U (en) * | 2017-04-11 | 2017-11-10 | 深圳市盛业地下工程有限公司 | Cast-in-situ bored pile interlayer and sediment removing and reinforcing device |
-
2017
- 2017-04-11 CN CN201710233702.8A patent/CN106894417A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5316404A (en) * | 1976-07-29 | 1978-02-15 | Raito Kougiyou Kk | Method of and material for forming pile |
| CN203374227U (en) * | 2013-07-30 | 2014-01-01 | 中建四局第一建筑工程有限公司 | Direct circulation hole-cleaning device |
| CN106120783A (en) * | 2016-07-11 | 2016-11-16 | 广州市鲁班建筑集团股份有限公司 | Bored concrete pile removing slag from pile bottom reinforcement process method |
| CN206625223U (en) * | 2017-04-11 | 2017-11-10 | 深圳市盛业地下工程有限公司 | Cast-in-situ bored pile interlayer and sediment removing and reinforcing device |
Non-Patent Citations (2)
| Title |
|---|
| A·H·海恩: "《液压气动故障诊断与处理技术》", 31 October 1990, 中国矿业大学出版社 * |
| 周世峰主编: "《喷灌工程学》", 31 August 2004, 北京工业大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736313A (en) * | 2019-01-03 | 2019-05-10 | 中国水利水电第十工程局有限公司 | Drill-pouring end-bearing pile handles pile bottom sediment technique using coring hole grouting behind shaft or drift lining |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206625223U (en) | Cast-in-situ bored pile interlayer and sediment removing and reinforcing device | |
| CN106120783B (en) | Bored concrete pile removing slag from pile bottom reinforcement process method | |
| CN107091098A (en) | A kind of driving method of Suporting structure in high viscosity mud stone | |
| CN103603339A (en) | Method for long spiral drilling machine grouting retaining wall hole forming and system thereof | |
| CN104832082A (en) | Pneumatic DTH hammer reverse circulation slagging construction process for rotary drilling rig | |
| CN208517936U (en) | A kind of reacting cycle device for pile foundation secondary pile hole cleaning | |
| CN110513062A (en) | A kind of vehicular well-flushing liquid processing device | |
| CN108590583A (en) | Well washing apparatus | |
| CN111927426A (en) | Sand removal process for underground local reverse circulation and multistage sand setting | |
| CN106894417A (en) | Cast-in-situ bored pile interlayer and sediment are removed and reinforcing device and construction method | |
| CN108277802A (en) | A kind of suction-type smoothing machine | |
| CN103015924A (en) | Full-automatic drill cutting cleaning machine and cleaning method thereof | |
| CN106830180A (en) | A kind of construction site sewage disposal device | |
| JP2003147758A (en) | Underground water level lowering device | |
| CN204002651U (en) | A kind of jumbolter | |
| CN109281679A (en) | For coping with the incrusted physical control method of shield cutter and control system | |
| CN106436661B (en) | A kind of power station sand discharge stone device | |
| CN214883774U (en) | Foundation pit dewatering and water stopping device | |
| CN212316900U (en) | Precast pile construction auxiliary system and pile cap | |
| CN210564473U (en) | Monitoring well bottom dredging device | |
| CN209837006U (en) | Rotary-spraying grouting rotary-digging construction system | |
| CN107059973A (en) | Pond cleaning method | |
| CN207170038U (en) | One kind whitewashing machine nozzle and decontamination apparatus | |
| CN103967446B (en) | Eddy flow sediment outflow well washing system | |
| CN205995128U (en) | A kind of application mighty torrent flush cycle filtration device before pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |
|
| RJ01 | Rejection of invention patent application after publication |