CN106836214A - Rotary digging bored concrete pile pile body collapse hole or the construction method of pile bottom sediment mass defect treatment - Google Patents
Rotary digging bored concrete pile pile body collapse hole or the construction method of pile bottom sediment mass defect treatment Download PDFInfo
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- CN106836214A CN106836214A CN201710077368.1A CN201710077368A CN106836214A CN 106836214 A CN106836214 A CN 106836214A CN 201710077368 A CN201710077368 A CN 201710077368A CN 106836214 A CN106836214 A CN 106836214A
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- 230000007547 defect Effects 0.000 title claims abstract description 34
- 239000013049 sediment Substances 0.000 title claims abstract description 32
- 238000010276 construction Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000004568 cement Substances 0.000 claims abstract description 23
- 239000002002 slurry Substances 0.000 claims abstract description 21
- 238000007569 slipcasting Methods 0.000 claims abstract description 20
- 239000011440 grout Substances 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000005056 compaction Methods 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 238000005553 drilling Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000011083 cement mortar Substances 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 239000011398 Portland cement Substances 0.000 claims description 3
- 229920002457 flexible plastic Polymers 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 210000004911 serous fluid Anatomy 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 2
- -1 final pressure Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 abstract description 16
- 238000007596 consolidation process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000002950 deficient Effects 0.000 description 6
- 239000002893 slag Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
- E02D5/64—Repairing piles
Landscapes
- 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)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention provides the construction method that a kind of rotary digging bored concrete pile pile body collapse hole or pile bottom sediment mass defect are processed, comprise the steps：Carry out high-pressure water gas cutting, water and lift deslagging borehole cleaning；Carry out injected hole sealing and Grouting Pipe is installed；Carry out cement grout preparation；Carry out self-compaction normal pressure or low-pressure grouting；Carry out high-pressure slip-casting, mend slurry, final pressure；Carry out bar planting and reinforce pile body collapse hole rejected region；Carry out foundation pile reinspection.The construction method, consolidation process not only has been carried out to pile defect, while slurries can also be immersed in the gap between pile body and surrounding soil, or even the crack of pile body surrounding soil has been invaded, the intensity of the frictional resistance and pile peripheral earth between stake soil is improve, so as to improve the bearing capacity of foundation pile.The technological operation is fairly simple, and borehole cleaning is clean, speed is fast, low cost, and range of grouting is big, intensity is high, and defect processing effect is good.
Description
Technical field
The invention belongs to the construction method that a kind of rotary digging bored concrete pile pile body collapse hole or pile bottom sediment mass defect are processed, specifically
Say it is that finish rolling is implanted into by high-pressure water gas cutting-gas-lift slag discharging-hole flushing-self-compaction common pressure grouting-high-pressure slip-casting-injected hole in ground
The construction method of high-strength screw-thread steel (need not be implanted into finish rolling high-strength screw-thread steel during treatment sediment) is to pile body collapse hole or pile bottom sediment
Defect is reinforced, and is finally reached the purpose for the treatment of defect.
Background technology
Rotary digging bored concrete pile is more due to construction link, complex process, and currently without unified job specfication, pile quality is deposited
In many uncertainties, various mass defects are easily produced, bearing capacity of pile can be caused substantially to reduce when serious, or even cause to break
The such great quality accident of stake.
The content of the invention
The present invention is using two interconnected drillings for judging pile body collapse hole or pile bottom sediment mass defect, using height
Pressure aqueous vapor cutting-gas-lift slag discharging-hole flushing-self-compaction common pressure grouting-high-pressure slip-casting-injected hole is implanted into the construction of high-strength screw-thread steel
Method carries out consolidation process to defect.
The invention provides the construction method that a kind of rotary digging bored concrete pile pile body collapse hole or pile bottom sediment mass defect are processed, bag
Include following step：
Carry out high-pressure water gas cutting, water and lift deslagging borehole cleaning；
Carry out injected hole sealing and Grouting Pipe is installed；
Carry out cement grout preparation；
Carry out self-compaction normal pressure or low-pressure grouting；
Carry out high-pressure slip-casting, mend slurry, final pressure；Carry out bar planting and reinforce pile body collapse hole rejected region；
Carry out foundation pile reinspection.
The present invention enters horizontal high voltage and cuts using high-pressure water gas to the soil block or sediment of pile body collapse hole or pile bottom sediment rejected region
Cut, soil block or sediment are cut, is crushed, while the sand grains of fault location, sticking grain, powder are washed out into stake by the method for gaslift
Outward, cement mortar and slip casting to defective locations are then prepared using high-mark cement, so as to displace clear water at defective locations or
Air, fault location intensity is increased finally by high-pressure slip-casting and the method that is implanted into high-strength screw-thread steel, is finally reached treatment defect
Purpose.
Beneficial effects of the present invention：The present invention is using high-pressure water gas to pile body collapse hole or the soil block of pile bottom sediment rejected region
Or sediment enters horizontal high voltage cutting, scope big to the cutting strength of soil block at collapse hole or sediment is wide, broken thorough；By powerful
Air-flow lifts sand grains, sticking grain, powder and the water body of row's fault location and is allowed to discharge outside stake, and borehole cleaning is clean, thorough；By using assembling
Formula flexibility plastic water press seal head closure aperture, revolutionizes conventional cement and starches the slow speed sealed, Grouting Pipe and drainpipe not
The shortcoming that can be reused, improves speed of application, has saved substantial amounts of joint filling material；By the construction of self-compaction common pressure grouting
Technique makes the concentration of cement grout and the ratio of mud not change, so as to ensure that the intensity of cement grout；By high-pressure slip-casting
Construction technology, consolidation process not only has been carried out to pile defect, while slurries can be also immersed between pile body and surrounding soil
Gap, or even invade the build joints such as the crack of pile body surrounding soil, improve frictional resistance between stake soil and the soil body
Intensity, so as to improve the bearing capacity of foundation pile；The foundation pile that there is collapse hole or sediment defect is carried out by construction method of the present invention
Treatment, had both saved substantial amounts of piling or rework cost, and the substantial amounts of construction period has been saved again.In a word, construction method operation
Fairly simple, borehole cleaning is clean, speed is fast, low cost, and range of grouting is big, intensity is high, and defect processing effect is good.
Brief description of the drawings
Accompanying drawing is the method operation diagram of this construction method.
Fig. 1 is pile body collapse hole defect reinforcing treatment schematic diagram (unit：mm).
Fig. 2 is pile bottom sediment defect reinforcing treatment schematic diagram (unit：mm).
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
In row are implemented, the present invention is using two interconnected brills for judging pile body collapse hole or pile bottom sediment defect
Hole, high-strength spiral shell is implanted into using high-pressure water gas cutting-gas-lift slag discharging-hole flushing-self-compaction common pressure grouting-high-pressure slip-casting-injected hole
The construction method of line steel carries out consolidation process to pile body collapse hole or pile bottom sediment defect.Specifically, it is using high-pressure water gas pair
The soil block or sediment of pile body collapse hole or pile bottom sediment rejected region enter horizontal high voltage cutting, soil block or sediment are cut, is crushed, while
The sand grains of fault location, sticking grain, powder are washed out outside stake by the method for gaslift, cement mortar is then prepared using high-mark cement
And slip casting is to defective locations, so as to displace the clear water or air at defective locations, finally by high-pressure slip-casting and it is implanted into high-strength
The method of screw-thread steel increases fault location intensity.
In operation, high-pressure gas injection pipe 1 is put into the fault location in one of drill core hole 6, and the aqueous vapor of injection can cut
The soil block or sediment 10 of collapse hole fault location 9 are cut, and itself and water are washed out outside stake by drilling；Said process is repeated, is entered repeatedly
Row cutting, the row of act, untill rejected region is substantially without dregs, extract high-pressure gas injection pipe 1；Assembled flexible is used at pile crown
The first 3 closure aperture of plastic water press seal；Cement paste is injected into collapse hole 9 or heavy by the normal pressure of Grouting Pipe 11 in an end socket 3
The defect bottom of slag 10 carries out self-compaction slip casting；The valve 4 of the valve 4 and another Grouting Pipe 11 of closing drainpipe 2 enters horizontal high voltage
Slip casting, successively as stated above, slip casing by pressure is carried out from another Grouting Pipe 11, then mends slurry, final pressure；In the collapse hole 9 of drilling 6
Fault location implantation reinforcing bar 7 (not needed during treatment pile bottom sediment defect) reinforces pile body collapse hole defect；Repetition measurement after 7 days.5 is mixed for pile body
Solidifying soil, 8 is rotary digging bored concrete pile.
Concrete construction method is as follows：
The first step, advanced horizontal high voltage aqueous vapor cutting, water lift deslagging borehole cleaning
After judging to fill clear water in two drillings of pile body collapse hole defect or pile bottom sediment defect, high-pressure gas injection pipe is put
Enter the fault location in one of drilling, and be connected with air compressor machine.Then air compressor machine is started, the aqueous vapor of injection can cut defective part
The soil block or sediment of position, meanwhile, the air of injection can be sprayed from collapse hole or sediment fault location with high pressure and speed to aperture
Penetrate, loose silt particle and water washed out outside stake by drilling, until in drilling injected water base by row's light untill.Then
Clear water is re-injected, said process is repeated, cutting, the row of act is repeated, untill rejected region is substantially without dregs.
High-pressure gas injection pipe is put into the collapse hole fault location in another drilling, said process is repeated.
Scarfing cinder construction parameter：Air pressure：≥0.60-0.80MPa；
Tolerance：≥13m3/min；
Power：≥90kW
Second step, carries out injected hole sealing and Grouting Pipe is installed
Aperture is blocked using assembled flexible plastic water press seal head at pile crown.The expansion of water filling rear head can make end socket with
Hole wall is in close contact and maintains water injection pressure stabilization in more than 1.5MPa.A Grouting Pipe and one are each equipped with each end socket
Drainpipe, Grouting Pipe will be goed deep into collapse hole or sediment defective locations bottom, and drainpipe will go deep into 1.6-2.0m below pile crown.
3rd step, carries out cement grout preparation
Grouting serous fluid is the neat slurry prepared by P.0.42.5 Portland cement.
The ratio of mud is controlled：Ratio of mud span is 0.5~0.6.It is required that slurries stir, with stir with.Slurry is mixed to use
Water must not will be sieved using sewage, slurries, prevent that debris are mixed into slurries.
4th step, carries out self-compaction normal pressure or low-pressure grouting
Cement paste is injected into collapse hole or sediment defect bottom by the Grouting Pipe normal pressure in an end socket, by 2 rows
Grouting Pipe in water pipe and another end socket opens the valve of these three discharge pipes as discharge pipe.As cement grout is slow
Injection, the cement grout of bottom slowly discharges outside stake the slowly upper act of the water on top, gas by discharge pipe.Discharge pipe discharge
Clear water gradually becomes cement grout, if the cement-slurry concentration of the close injection of the cement mortar concentration of certain discharge pipe therein discharge
When, close the discharge pipe；Appropriate grouting pressure value, the cement grout until other 2 discharge pipes are emerged respectively, and the concentration of increasing connects
Respectively by its valve closing during the cement-slurry concentration of nearly injection.
5th step, carries out high-pressure slip-casting, mends slurry, final pressure
Continue to be slowly increased grouting pressure, maximum grouting pressure reaches 2.0~2.5MPa or so Shi Ping and starches, and maintenance 10~
15min.Successively as stated above, slip casing by pressure is carried out from another Grouting Pipe.After slip casting terminates, the continuous bleed of cement mortar is consolidated
Knot, slurries liquid level declines therewith, now in time to cement grout is supplemented in hole, untill liquid level no longer declines.
6th step, carries out bar planting (not needed during treatment pile bottom sediment defect) and reinforces pile body collapse hole rejected region
The finish rolling high-strength screw-thread steel (PSB1080) of a diameter of 40mm, a length of 6m is implanted into the pile body collapse hole defect of injected hole
Place, each injected hole is implanted into 1~2.
7th step, carries out foundation pile reinspection
After 7 days, low strain dynamic pile integrity detection or drill core test are carried out to the stake, with verification process effect.
In row are implemented, when high-pressure water gas cutting, water act deslagging hole flushing is carried out, clear water must be filled in two drillings,
High-pressure gas injection pipe is put into the fault location in one of drilling, and is connected with air compressor machine.
In row are implemented, when carrying out injected hole sealing and Grouting Pipe installation, assembled flexible plastic water is used at pile crown
Press seal head closure slip casting aperture.The expansion of water filling rear head can be such that end socket is in close contact with hole wall.It is each equipped with each end socket
One Grouting Pipe and a drainpipe.
In row are implemented, when cement grout preparation is carried out, grouting serous fluid is matched somebody with somebody by P.0.42.5 Portland cement
The neat slurry of system.The ratio of mud is controlled 0.5~0.6 or so.
In row are implemented, when self-compaction normal pressure or low-pressure grouting draining is carried out, cement paste is passed through into an injected hole
Grouting Pipe normal pressure be injected into defect bottom, when discharge cement mortar concentration close to injection cement grout when close discharge pipe；It is suitable
Stop when grouting pressure value, the cement grout until other discharge pipes are emerged, and concentration is increased close to injection cement-slurry concentration
Only slip casting.
In row are implemented, when carrying out high-pressure slip-casting, mending slurry, final pressure, high pressure slurries are disposably injected by a Grouting Pipe,
And other 3 valves of pipe are closed, and grouting pressure is slowly increased, maximum grouting pressure is maintained at 2.0~2.5MPa or so, and ties up
Hold 10~15min.
Implement row in, carry out bar planting reinforce pile body collapse hole rejected region when, each injected hole fault location be implanted into 1~
2 a diameter of 40mm, the finish rolling high-strength screw-thread steels (PSB1080) of a length of 6m.
In row are implemented, foundation pile reinspection is carried out after 7 days, low strain dynamic pile integrity detection or core drilling method inspection are carried out to the stake
Survey.
In real work operation, equipment will keep good state during whole cutting reinforcement, if in water under high pressure
During mud churning is replaced and screen is starched, equipment goes wrong, then cause the reinforced work of whole stake to be fallen short of success for lack of final effort.Therefore mending
All machineries are overhauled before strong Defect Piles, be maintained, it is ensured that its excellent state.
Claims (7)
1. the construction method that rotary digging bored concrete pile pile body collapse hole or pile bottom sediment mass defect are processed, it is characterised in that methods described
Comprise the steps：
Carry out high-pressure water gas cutting, water and lift deslagging borehole cleaning；
Carry out injected hole sealing and Grouting Pipe is installed；
Carry out cement grout preparation；
Carry out self-compaction normal pressure or low-pressure grouting；
Carry out high-pressure slip-casting, mend slurry, final pressure；
Carry out bar planting and reinforce pile body collapse hole rejected region；
Carry out foundation pile reinspection.
2. construction method as claimed in claim 1, it is characterised in that when carrying out high-pressure water gas cutting, water and lifting deslagging hole flushing,
Must will judge to fill clear water in two drillings of pile body collapse hole defect or pile bottom sediment defect, high-pressure gas injection pipe is put into wherein one
Collapse hole or pile bottom sediment fault location in individual drilling, and be connected with air compressor machine.
3. construction method as claimed in claim 1, it is characterised in that when injected hole sealing is carried out and Grouting Pipe is installed,
Using assembled flexible plastic water press seal head closure slip casting aperture at pile crown.
4. construction method as claimed in claim 1, it is characterised in that when carrying out cement grout and preparing, grouting serous fluid be by
The neat slurry that P.O.42.5 Portland cements are prepared.
5. construction method as claimed in claim 1, it is characterised in that when self-compaction normal pressure or low-pressure grouting draining is carried out,
Cement paste is injected into defect bottom by the Grouting Pipe normal pressure of an injected hole, when the close injection of the cement mortar concentration of discharge
Discharge pipe is closed during cement grout.
6. construction method as claimed in claim 1, it is characterised in that when carrying out high-pressure slip-casting, mending slurry, final pressure, mud jacking high
Liquid is disposably injected by a Grouting Pipe, and closes other 3 valves of pipe, is slowly increased grouting pressure, maximum grouting pressure
2.0~2.5MPa or so is maintained at, and maintains 10~15min.
7. construction method as claimed in claim 1, it is characterised in that each injected hole fault location implanted diameter is 40mm, length
It is finish rolling high-strength screw-thread steel (PSB1080) 1-2 roots of 6m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710077368.1A CN106836214B (en) | 2017-02-06 | 2017-02-06 | Rotary digging bored concrete pile pile body collapse hole or the construction method of pile bottom sediment mass defect processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710077368.1A CN106836214B (en) | 2017-02-06 | 2017-02-06 | Rotary digging bored concrete pile pile body collapse hole or the construction method of pile bottom sediment mass defect processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106836214A true CN106836214A (en) | 2017-06-13 |
| CN106836214B CN106836214B (en) | 2018-11-06 |
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| CN201710077368.1A Active CN106836214B (en) | 2017-02-06 | 2017-02-06 | Rotary digging bored concrete pile pile body collapse hole or the construction method of pile bottom sediment mass defect processing |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056734A (en) * | 2018-08-27 | 2018-12-21 | 上海市基础工程集团有限公司 | Diaphram wall defect grouting mending construction method |
| CN109322337A (en) * | 2018-11-13 | 2019-02-12 | 上海市基础工程集团有限公司 | Cast-in-situ bored pile pile body defect-restoration method therefor |
| CN109403353A (en) * | 2018-11-15 | 2019-03-01 | 长沙理工大学 | A kind of processing method of diaphram wall collapse hole |
| 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 |
| CN109853538A (en) * | 2018-12-12 | 2019-06-07 | 湖南化工地质工程勘察院有限责任公司 | Cast-in-place concrete pile pile foundation reinforcing structure and its construction method |
| CN110106876A (en) * | 2019-05-15 | 2019-08-09 | 中铁八局集团第三工程有限公司 | A kind of diplopore grouting construction method |
| CN110805034A (en) * | 2019-11-14 | 2020-02-18 | 江苏长江机械化基础工程有限公司 | Circumferential rotation swinging grouting reinforcement construction method for defected cast-in-place pile composite pipe combined pile |
| CN112726590A (en) * | 2020-12-31 | 2021-04-30 | 南通大学 | Method for processing quality defects of cast-in-situ bored pile |
| CN113774970A (en) * | 2021-08-05 | 2021-12-10 | 深圳宏业基岩土科技股份有限公司 | Cast-in-place pile socketed section defect repairing construction method |
| CN113818503A (en) * | 2021-09-07 | 2021-12-21 | 深圳宏业基岩土科技股份有限公司 | Cast-in-place pile socketed section defect repairing construction method |
| CN113897962A (en) * | 2021-10-27 | 2022-01-07 | 福建建中岩土工程有限责任公司 | Novel underground continuous wall sediment treatment method |
| CN114251085A (en) * | 2021-11-30 | 2022-03-29 | 中国石油天然气股份有限公司 | Method and device for evaluating sealing capability of simulated shaft collapse sediment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07292663A (en) * | 1994-04-27 | 1995-11-07 | Shimizu Corp | Additional driving construction and method by new steel-pipe pile making use of existing steel-pipe pile |
| CN101713189A (en) * | 2008-10-06 | 2010-05-26 | 吴保全 | Construction process of floral tube dry filling piles |
| CN105672348A (en) * | 2016-01-27 | 2016-06-15 | 重庆大学 | Construction method for cropping bridge pile foundation at sandy gravel stratum of abyssal region |
| 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 |
-
2017
- 2017-02-06 CN CN201710077368.1A patent/CN106836214B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07292663A (en) * | 1994-04-27 | 1995-11-07 | Shimizu Corp | Additional driving construction and method by new steel-pipe pile making use of existing steel-pipe pile |
| CN101713189A (en) * | 2008-10-06 | 2010-05-26 | 吴保全 | Construction process of floral tube dry filling piles |
| CN105672348A (en) * | 2016-01-27 | 2016-06-15 | 重庆大学 | Construction method for cropping bridge pile foundation at sandy gravel stratum of abyssal region |
| 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 |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056734A (en) * | 2018-08-27 | 2018-12-21 | 上海市基础工程集团有限公司 | Diaphram wall defect grouting mending construction method |
| CN109322337A (en) * | 2018-11-13 | 2019-02-12 | 上海市基础工程集团有限公司 | Cast-in-situ bored pile pile body defect-restoration method therefor |
| CN109403353A (en) * | 2018-11-15 | 2019-03-01 | 长沙理工大学 | A kind of processing method of diaphram wall collapse hole |
| CN109853538A (en) * | 2018-12-12 | 2019-06-07 | 湖南化工地质工程勘察院有限责任公司 | Cast-in-place concrete pile pile foundation reinforcing structure and its construction method |
| 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 |
| CN110106876A (en) * | 2019-05-15 | 2019-08-09 | 中铁八局集团第三工程有限公司 | A kind of diplopore grouting construction method |
| CN110805034A (en) * | 2019-11-14 | 2020-02-18 | 江苏长江机械化基础工程有限公司 | Circumferential rotation swinging grouting reinforcement construction method for defected cast-in-place pile composite pipe combined pile |
| CN112726590A (en) * | 2020-12-31 | 2021-04-30 | 南通大学 | Method for processing quality defects of cast-in-situ bored pile |
| CN113774970A (en) * | 2021-08-05 | 2021-12-10 | 深圳宏业基岩土科技股份有限公司 | Cast-in-place pile socketed section defect repairing construction method |
| CN113818503A (en) * | 2021-09-07 | 2021-12-21 | 深圳宏业基岩土科技股份有限公司 | Cast-in-place pile socketed section defect repairing construction method |
| CN113897962A (en) * | 2021-10-27 | 2022-01-07 | 福建建中岩土工程有限责任公司 | Novel underground continuous wall sediment treatment method |
| CN114251085A (en) * | 2021-11-30 | 2022-03-29 | 中国石油天然气股份有限公司 | Method and device for evaluating sealing capability of simulated shaft collapse sediment |
| CN114251085B (en) * | 2021-11-30 | 2023-01-20 | 中国石油天然气股份有限公司 | Method and device for evaluating sealing capability of simulated shaft collapse sediment |
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| Publication number | Publication date |
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| CN106836214B (en) | 2018-11-06 |
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Effective date of registration: 20170527 Address after: 518060 Nanhai Road, Guangdong, Shenzhen, No. 3688, No. Applicant after: Shenzhen University Address before: 518060 School of civil engineering, Shenzhen University, Guangdong, Shenzhen, A429 Applicant before: Ji Fengling |
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