CN110159186A - Slurry drilled pile drilling construction method - Google Patents
Slurry drilled pile drilling construction method Download PDFInfo
- Publication number
- CN110159186A CN110159186A CN201910442023.0A CN201910442023A CN110159186A CN 110159186 A CN110159186 A CN 110159186A CN 201910442023 A CN201910442023 A CN 201910442023A CN 110159186 A CN110159186 A CN 110159186A
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- Prior art keywords
- stake holes
- stirring pool
- stake
- hole
- drill machine
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- 239000002002 slurry Substances 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 52
- 210000002966 serum Anatomy 0.000 claims abstract description 37
- 230000009189 diving Effects 0.000 claims abstract description 34
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 238000004062 sedimentation Methods 0.000 claims abstract description 27
- 239000003513 alkali Substances 0.000 claims abstract description 11
- 239000002518 antifoaming agent Substances 0.000 claims abstract description 11
- 239000000440 bentonite Substances 0.000 claims abstract description 11
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 11
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 11
- 239000003265 pulping liquor Substances 0.000 claims abstract description 11
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 7
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 239000002689 soil Substances 0.000 abstract description 11
- 238000005520 cutting process Methods 0.000 abstract description 8
- 230000005484 gravity Effects 0.000 abstract description 8
- 239000002893 slag Substances 0.000 abstract description 6
- 238000005266 casting Methods 0.000 abstract description 5
- 238000012856 packing Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000007616 round robin method Methods 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000002352 surface water Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/04—Electric drives
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Piles And Underground Anchors (AREA)
- Earth Drilling (AREA)
Abstract
The present invention gives a kind of slurry drilled pile drilling construction methods, comprising the following steps: cuts out stake holes topsoil;Digging on the ground of stake holes side has sedimentation basin and stirring pool;High-quality bentonite, nitrous acid spent pulping liquor, coal-alkali reagent, sodium hydroxide, defoaming agent and water are added in stirring pool, stirs completely, forms mixed serum;Boring action is carried out in stake position using diving drill machine, the mixed serum in stirring pool is pumped into stake holes using slush pump, is drilled into predetermined depth under diving drill machine;Boring action is repeated, until arriving again at predetermined depth;Clear up the slurries in stake holes.Hole in stake holes inner hole wall soil layer seeps packing reality, avoids leak in hole, keeps stable water pressure in casing;Specific gravity of mud is big, increases the water pressure in hole, can consolidate hole wall, prevent collapse hole;It is discharged after the mudstone slag of cutting can be suspended by circulating mud, plays the role of taking sand, casting.
Description
Technical field
The present invention relates to a kind of slurry drilled pile drilling construction methods.
Background technique
General filling pile construction generallys use rotary drilling rig construction, solves the problems, such as collapse hole caused by conventional construction method, certain
Bored concrete pile reaches 40 meters in a little engineerings, pours and completes the vast sky stake holes that still there is nearly 8m in upper back, if using traditional rotary drilling rig
Construction, easily generation stake holes are collapsed.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of construction procedures rationally, the benefit that hole wall is not easy to collapse after pore-forming
With the slurry drilled pile drilling construction method of mud off.
In order to solve the above technical problems, the present invention provides a kind of slurry drilled pile drilling construction methods, including with
Lower step:
A) unwrapping wire positions at the scene, cuts out stake holes topsoil by stake position;
B) digging on the ground of stake holes side has sedimentation basin and stirring pool, and stake holes top and stirring pool top are passed through overflow
Canal connection, sedimentation basin top are connected to stirring pool top by draining canal;
C) high-quality bentonite, nitrous acid spent pulping liquor, coal-alkali reagent, sodium hydroxide, defoaming agent and water are added in stirring pool,
Stirring completely forms mixed serum, and the mixed serum according to every 1000L includes high-quality bentonite, the 30~50kg of 90~110kg
Nitrous acid spent pulping liquor, the coal-alkali reagent of 10~30kg, the sodium hydroxide of 5~15kg, the defoaming agent of 5~15kg, surplus be water,
The total volume of mixed serum is the 2 times or more of single stake holes predetermined volume;
D) boring action is carried out in stake position using diving drill machine, the mixed serum in stirring pool is pumped by stake using slush pump
In hole, predetermined depth is drilled under diving drill machine;
E) diving drill machine is promoted to initial position, is again started up diving drill machine, is repeated boring action, until arriving again at pre-
Depthkeeping degree;
F) diving drill machine is removed, the slurries in stake holes are cleared up, completes the operation of lagging pile pore-forming;
Wherein in boring action, mud and mixed serum in stake holes successively pass through sedimentation basin, stirring pool is again introduced into
In stake holes, move in circles.
As the preferred of this method, casing is buried in the step a) on the stake position for removing topsoil.
As the preferred of this method, diving drill machine is drilled using direct circulation method for discharging residue in the step c);
Stake holes top is connected to sedimentation basin top by draining canal in the step d), on sedimentation basin top and stirring pool
Portion is arranged in stirring pool by drainage canal connection, slush pump, and slush pump passes through defeated slurry sebific duct for the mixed serum in stirring pool
It inputs in stake holes.
As the preferred of this method, diving drill machine is drilled using reacting cycle method for discharging residue in the step c);
Stake holes top is connected to stirring pool top by draining canal in the step d), on sedimentation basin top and stirring pool
Portion is arranged in stake holes by drainage canal connection, slush pump, and slush pump is by deslagging sebific duct by the slurry transportation in stake holes to heavy
In the pond of shallow lake.
After such method, the hole in stake holes inner hole wall soil layer seeps packing reality, avoids leak in hole, keeps casing
Interior stable water pressure;Specific gravity of mud is big, increases the water pressure in hole, can consolidate hole wall, prevent collapse hole;By recycling mud
Slurry is discharged after the mudstone slag of cutting can suspend, and plays the role of taking sand, casting.
Detailed description of the invention
Fig. 1 is the usage state diagram of this slurry drilled pile drilling construction embodiment of the method one.
Fig. 2 is the usage state diagram of this slurry drilled pile drilling construction embodiment of the method two.
Specific embodiment
Embodiment one
As shown in Figure 1
This slurry drilled pile drilling construction method, comprising the following steps:
A) unwrapping wire positions at the scene, cuts out stake holes 4a topsoil by stake position, and casing is buried on the stake position for removing topsoil,
High 2m of casing or so, top set 2 extravasating holes, and casing is the cylinder made of thickness 4mm steel plate, and internal diameter should be greater than drill bit 11a
Diameter 200mm, the effect of casing are the positions fixed stake holes 4a, protect aperture, prevent the surface water from flowing into, and increase hole internal water pressure,
Prevent collapse hole, when pore-forming guides the direction of drill bit 11a.
B) digging on the ground of stake holes 4a side has sedimentation basin 2a and stirring pool 3a, by high 2 of the top stake holes 4a casing
Extravasating hole is connected to the top stirring pool 3a by overflow canal, and the top sedimentation basin 2a is connected to the top stirring pool 3a by draining canal.
C) be added in stirring pool 3a high-quality bentonite, nitrous acid spent pulping liquor, coal-alkali reagent, sodium hydroxide, defoaming agent and
Water stirs completely, forms mixed serum, the mixed serum according to every 1000L includes the Asia of the high-quality bentonite of 100kg, 40kg
Nitric acid spent pulping liquor, the coal-alkali reagent of 20kg, the sodium hydroxide of 10kg, 10kg defoaming agent, surplus is water, the specific gravity of mixed serum
It is 1.3, the total volume of mixed serum is 2 times of single stake holes 4a predetermined volume (or groundwater increment).
D) boring action is carried out in stake position using diving drill machine 1a, using slush pump 5a by the mixed serum in stirring pool 3a
It is pumped into stake holes 4a, is drilled into predetermined depth under diving drill machine 1a;
Diving drill machine 1a is a kind of rotary drill, and waterproof machine gear and drill bit 11a are sealed, by
Can dive into water after pile frame and drilling rod positioning, drill in mud, inject after mud by direct circulation method for discharging residue will be cut in hole grogs,
Rock ballast drains into outside hole;
In boring procedure, after broken body refuse is cut pulp by the drill bit 11a of rotation, slush pump 5a force feed high pressure mud is utilized
Slurry is sent to the bottom drill bit 11a strength through drill central pipe, bifurcated pipe and sprays, mixes, carry with the broken body refuse of cutting pulp
Soil is moved upwards along hole wall, is entered in precipitation hole from the overflow hole of casing;
Mixed serum makes the hole in stake holes 4a inner hole wall soil layer seep packing reality, avoids leak in hole, keeps water in casing
Pressure is stablized;Specific gravity of mud is big, increases the water pressure in hole, can consolidate hole wall, prevent collapse hole, can by circulating mud
It is discharged after the mudstone slag of cutting is suspended, plays the role of taking sand, casting;
In boring action, mud and mixed serum in stake holes 4a successively pass through sedimentation basin 2a, stirring pool 3a again into
Enter in stake holes 4a, moves in circles.
E) diving drill machine 1a is promoted to initial position, is again started up diving drill machine 1a, is repeated boring action, until arriving again
Up to predetermined depth;
Equally, in boring action, mud and mixed serum in stake holes 4a successively pass through sedimentation basin 2a, stirring pool 3a again
It is secondary to enter in stake holes 4a, it moves in circles.
F) diving drill machine 1a is removed, the slurries in stake holes 4a are cleared up, completes the operation of lagging pile pore-forming.
It is verified again to stake holes 4a, borehole cleaning operation, verifying is that stake position, diameter, depth and hole chanting of folk tales to the accompaniment of simple percussion instruments are checked with detector
Condition, borehole cleaning, that is, cleaning hole bottom sediment, mud surface dust improve bearing capacity to reduce the settling amount of pile foundation;
When mud off pore-forming borehole cleaning, the stake holes 4a to collapse, available air suction dredge borehole cleaning, gas are preferably not easy for soil property
Pressure is 0.5MPa, gushes the powerful high pressure draught of formation in pipe upwards, while constantly supplying clear water, the body refuse being stirred is with air-flow
On gush from spout be discharged, until spraying clear water;
The hole wall poor for stability should use mud round-robin method borehole cleaning or draw tube deslagging.
Embodiment two
As shown in Figure 2
This slurry drilled pile drilling construction method, comprising the following steps:
A) unwrapping wire positions at the scene, cuts out stake holes 4b topsoil by stake position, and casing is buried on the stake position for removing topsoil,
High 2m of casing or so, top set 1 extravasating hole, and casing is the cylinder made of thickness 6mm steel plate, and internal diameter should be greater than drill bit 11b
Diameter 200mm, the effect of casing are the positions fixed stake holes 4b, protect aperture, prevent the surface water from flowing into, and increase hole internal water pressure,
Prevent collapse hole, when pore-forming guides the direction of drill bit 11b.
B) digging on the ground of stake holes 4b side has sedimentation basin 2b and stirring pool 3b, will be on the top stake holes 4b and stirring pool 3b
Portion is connected to by overflow canal, and the top sedimentation basin 2b is connected to the top stirring pool 3b by draining canal.
C) be added in stirring pool 3b high-quality bentonite, nitrous acid spent pulping liquor, coal-alkali reagent, sodium hydroxide, defoaming agent and
Water stirs completely, forms mixed serum, the mixed serum according to every 1000L includes the nitrous of the high-quality bentonite of 90kg, 50kg
Sour spent pulping liquor, the coal-alkali reagent of 30kg, the sodium hydroxide of 5kg, 5kg defoaming agent, surplus is water, and the specific gravity of mixed serum is
1.1, the total volume of mixed serum is 2.5 times of single stake holes 4b predetermined volume (or groundwater increment).
D) boring action is carried out in stake position using diving drill machine 1b, slush pump 5b is arranged in stake holes 4b, using slush pump
Mixed serum in stirring pool 3b is pumped into stake holes 4b by 5b, is drilled into predetermined depth under diving drill machine 1b;
Diving drill machine 1b is a kind of rotary drill, and waterproof machine gear and drill bit 11b are sealed, by
Can dive into water after pile frame and drilling rod positioning, drill in mud, inject after mud by reacting cycle method for discharging residue will be cut in hole grogs,
Rock ballast drains into outside hole;
In boring procedure, after broken body refuse is cut pulp by the drill bit 11b of rotation, slush pump 5b force feed high pressure mud is utilized
Slurry is sent to the bottom drill bit 11b strength through drill central pipe, bifurcated pipe and sprays, with the broken mud for cutting pulp to sedimentation basin 2b
Slag mixing carries soil and moves upwards along hole wall;
Mixed serum makes the hole in stake holes 4b inner hole wall soil layer seep packing reality, avoids leak in hole, keeps water in casing
Pressure is stablized;Specific gravity of mud is big, increases the water pressure in hole, can consolidate hole wall, prevent collapse hole, can by circulating mud
It is discharged after the mudstone slag of cutting is suspended, plays the role of taking sand, casting;
In boring action, mud and mixed serum in stake holes 4b successively pass through sedimentation basin 2b, stirring pool 3b again into
Enter in stake holes 4b, moves in circles.
E) diving drill machine 1b is promoted to initial position, is again started up diving drill machine 1b, is repeated boring action, until arriving again
Up to predetermined depth;
Equally, in boring action, mud and mixed serum in stake holes 4b successively pass through sedimentation basin 2b, stirring pool 3b again
It is secondary to enter in stake holes 4b, it moves in circles.
F) diving drill machine 1b is removed, the slurries in stake holes 4b are cleared up, completes the operation of lagging pile pore-forming.
It is subsequent, then verified to stake holes 4b, borehole cleaning operation, verifying is to check stake position, diameter, depth and hole with detector
Road situation, borehole cleaning, that is, cleaning hole bottom sediment, mud surface dust improve bearing capacity to reduce the settling amount of pile foundation;
When mud off pore-forming borehole cleaning, the stake holes 4b to collapse, available air suction dredge borehole cleaning, gas are preferably not easy for soil property
Pressure is 0.5MPa, gushes the powerful high pressure draught of formation in pipe upwards, while constantly supplying clear water, the body refuse being stirred is with air-flow
On gush from spout be discharged, until spraying clear water;
The hole wall poor for stability should use mud round-robin method borehole cleaning or draw tube deslagging.
Embodiment three
This slurry drilled pile drilling construction method, comprising the following steps:
A) unwrapping wire positions at the scene, cuts out stake holes 4b topsoil by stake position, and casing is buried on the stake position for removing topsoil,
High 2m of casing or so, top set 2 extravasating holes, and casing is the cylinder made of thickness 8mm steel plate, and internal diameter should be greater than drill bit 11b
Diameter 200mm, the effect of casing are the positions fixed stake holes 4b, protect aperture, prevent the surface water from flowing into, and increase hole internal water pressure,
Prevent collapse hole, when pore-forming guides the direction of drill bit 11b.
B) digging on the ground of stake holes 4b side has sedimentation basin 2b and stirring pool 3b, will be on the top stake holes 4b and stirring pool 3b
Portion is connected to by overflow canal, and the top sedimentation basin 2b is connected to the top stirring pool 3b by draining canal.
C) be added in stirring pool 3b high-quality bentonite, nitrous acid spent pulping liquor, coal-alkali reagent, sodium hydroxide, defoaming agent and
Water stirs completely, forms mixed serum, the mixed serum according to every 1000L includes the Asia of the high-quality bentonite of 110kg, 30kg
Nitric acid spent pulping liquor, the coal-alkali reagent of 10kg, the sodium hydroxide of 15kg, 15kg defoaming agent, surplus is water, the specific gravity of mixed serum
It is 1.5, the total volume of mixed serum is 2.8 times of single stake holes 4b predetermined volume (or groundwater increment).
D) boring action is carried out in stake position using diving drill machine 1b, slush pump 5b is arranged in stake holes 4b, using slush pump
Mixed serum in stirring pool 3b is pumped into stake holes 4b by 5b, is drilled into predetermined depth under diving drill machine 1b;
Diving drill machine 1b is a kind of rotary drill, and waterproof machine gear and drill bit 11b are sealed, by
Can dive into water after pile frame and drilling rod positioning, drill in mud, inject after mud by reacting cycle method for discharging residue will be cut in hole grogs,
Rock ballast drains into outside hole;
In boring procedure, after broken body refuse is cut pulp by the drill bit 11b of rotation, slush pump 5b force feed high pressure mud is utilized
Slurry is sent to the bottom drill bit 11b strength through drill central pipe, bifurcated pipe and sprays, mixes, carry with the broken body refuse of cutting pulp
Soil is moved upwards along hole wall, is entered in precipitation hole from the overflow hole of casing;
Mixed serum makes the hole in stake holes 4b inner hole wall soil layer seep packing reality, avoids leak in hole, keeps water in casing
Pressure is stablized;Specific gravity of mud is big, increases the water pressure in hole, can consolidate hole wall, prevent collapse hole, can by circulating mud
It is discharged after the mudstone slag of cutting is suspended, plays the role of taking sand, casting;
In boring action, mud and mixed serum in stake holes 4b successively pass through sedimentation basin 2b, stirring pool 3b again into
Enter in stake holes 4b, moves in circles.
E) diving drill machine 1b is promoted to initial position, is again started up diving drill machine 1b, is repeated boring action, until arriving again
Up to predetermined depth;
Equally, in boring action, mud and mixed serum in stake holes 4b successively pass through sedimentation basin 2b, stirring pool 3b again
It is secondary to enter in stake holes 4b, it moves in circles.
F) diving drill machine 1b is removed, the slurries in stake holes 4b are cleared up, completes the operation of lagging pile pore-forming.
It is subsequent, then verified to stake holes 4b, borehole cleaning operation, verifying is to check stake position, diameter, depth and hole with detector
Road situation, borehole cleaning, that is, cleaning hole bottom sediment, mud surface dust improve bearing capacity to reduce the settling amount of pile foundation;
When mud off pore-forming borehole cleaning, the stake holes 4b to collapse, available air suction dredge borehole cleaning, gas are preferably not easy for soil property
Pressure is 0.5MPa, gushes the powerful high pressure draught of formation in pipe upwards, while constantly supplying clear water, the body refuse being stirred is with air-flow
On gush from spout be discharged, until spraying clear water;
The hole wall poor for stability should use mud round-robin method borehole cleaning or draw tube deslagging.
Above-described is only three kinds of embodiments of the invention, it is noted that for those of ordinary skill in the art
For, without departing from the principle of the present invention, several variations and modifications can also be made, these also should be regarded as belonging to this hair
Bright protection scope.
Claims (4)
1. a kind of slurry drilled pile drilling construction method, comprising the following steps:
A) unwrapping wire positions at the scene, cuts out stake holes topsoil by stake position;
B) digging on the ground of stake holes side has sedimentation basin and stirring pool, and stake holes top is connected with stirring pool top by overflow canal
Logical, sedimentation basin top is connected to stirring pool top by draining canal;
C) high-quality bentonite, nitrous acid spent pulping liquor, coal-alkali reagent, sodium hydroxide, defoaming agent and water are added in stirring pool, completely
Stirring forms mixed serum, and the mixed serum according to every 1000L includes the Asia of the high-quality bentonite of 90~110kg, 30~50kg
Nitric acid spent pulping liquor, the coal-alkali reagent of 10~30kg, the sodium hydroxide of 5~15kg, the defoaming agent of 5~15kg, surplus are water, mixing
The total volume of slurries is the 2 times or more of stake holes predetermined volume;
D) boring action is carried out in stake position using diving drill machine, the mixed serum in stirring pool is pumped by stake holes using slush pump
It is interior, predetermined depth is drilled under diving drill machine;
E) diving drill machine is promoted to initial position, is again started up diving drill machine, is repeated boring action, until arriving again at pre- depthkeeping
Degree;
F) diving drill machine is removed, the slurries in stake holes are cleared up, completes the operation of lagging pile pore-forming;
Wherein in boring action, mud and mixed serum in stake holes successively pass through sedimentation basin, stirring pool is again introduced into stake holes
It is interior, it moves in circles.
2. slurry drilled pile drilling construction method according to claim 1, it is characterized in that:
Casing is buried in the step a) on the stake position for removing topsoil.
3. slurry drilled pile drilling construction method according to claim 1, it is characterized in that:
Diving drill machine is drilled using direct circulation method for discharging residue in the step c);
Stake holes top is connected to sedimentation basin top by draining canal in the step d), sedimentation basin top and stirring pool top are logical
The connection of drainage canal is crossed, slush pump is arranged in stirring pool, and slush pump is inputted the mixed serum in stirring pool by defeated slurry sebific duct
In stake holes.
4. slurry drilled pile drilling construction method according to claim 1, it is characterized in that:
Diving drill machine is drilled using reacting cycle method for discharging residue in the step c);
Stake holes top is connected to stirring pool top by draining canal in the step d), sedimentation basin top and stirring pool top are logical
The connection of drainage canal is crossed, slush pump is arranged in stake holes, and slush pump passes through deslagging sebific duct for the slurry transportation in stake holes to sedimentation basin
It is interior.
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Cited By (4)
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CN112081546A (en) * | 2020-09-14 | 2020-12-15 | 浙江交工集团股份有限公司 | Resource recycling device for impact drilling and construction method thereof |
CN112502614A (en) * | 2020-12-07 | 2021-03-16 | 黄河勘测规划设计研究院有限公司 | Reverse seepage flow wall protection process for loose stratum pipe well construction |
CN113638686A (en) * | 2021-08-23 | 2021-11-12 | 山东振业机械有限公司 | Method for forming hole by using aggregate impact mud carrier to protect wall |
CN113756736A (en) * | 2021-08-30 | 2021-12-07 | 南京东土建设科技有限公司 | Pile foundation post-grouting system based on drilling slag recycling and construction method |
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