CN103147707B - Complete treatment method for pile bottom sediment - Google Patents
Complete treatment method for pile bottom sediment Download PDFInfo
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- CN103147707B CN103147707B CN201310103228.9A CN201310103228A CN103147707B CN 103147707 B CN103147707 B CN 103147707B CN 201310103228 A CN201310103228 A CN 201310103228A CN 103147707 B CN103147707 B CN 103147707B
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Abstract
The present invention provides a kind of complete treatment method for pile bottom sediment, this method replaces cement mortar using grouting material, cement mortar or pea gravel concreten change the material filled out as stake bottom, it has vertical expansion ratio big relative to cement mortar or cement mortar, the characteristics of intensity is high, there is the pourable construction feasibility in narrow and small hole with respect to pea gravel concreten, the amount of slip casting can be saved using grouting material when carrying out slip casting operation, the slip casting time can also be saved, considerably increase the efficiency of pile grouting, complete treatment method for pile bottom sediment provided by the invention is also on the premise of the whole sediment region that guarantee borehole cleaning radius can be covered under pile foundation, reduce the coring hole needed for the scarfing cinder operation for carrying out stake bottom, and the thorough scarfing cinder at a bottom is carried out using high-pressure rotary jetting apparatus and air compressor machine, the effect at existing clear bottom porous in the art can be reached.
Description
Technical field
The present invention relates to the realm of building construction, more particularly to a kind of complete treatment method for pile bottom sediment.
Background technology
Most construction brigades 5 is when carrying out the clear bottom operation of pile foundation now, typically in the pile foundation for needing to carry out clear bottom
The even hole of ground auger at least three, and flowing water is sprayed in this some holes simultaneously to ensure that the punching of the sediment of pile foundation bottom is thorough using water pump
Bottom, but such complete treatment method for pile bottom sediment can largely damage the structure of pile foundation, cause the structure of pile foundation not
Quality that is stable and influenceing piling；When carrying out pile grouting operation, grouting method typically now is the sediment area to stake bottom
Cement mortar, cement mortar or pea gravel concreten are poured into domain, to fill up space left after sediment removes, but due to cement mortar
Little with the expansion rate of cement mortar, the microlith contained in pea gravel concreten can also cause the blocking of conduit, therefore these three
Grouting method can influence the efficiency and quality of slip casting work, and the cement mortar of demand or the amount of cement mortar are a lot, cause
The raising of cost and the waste of material.
The content of the invention
It is an object of the invention to provide a kind of complete treatment method for pile bottom sediment, to solve slip casting operation of the prior art
The problem of high, efficiency is low is expended, and reduces the quantity of drilled through core bore, ensure that the structural stability of pile foundation.
To reach above-mentioned purpose, the present invention provides a kind of complete treatment method for pile bottom sediment, for removing pile foundation bottom
The sediment region at sediment and filling pile bottom space left after sediment is removed, the complete treatment method for pile bottom sediment bag
Include：
Step 1：At least one coring hole is drilled through in the pile foundation, core bore is drilled through and runs through whole pile foundation；
Step 2：High-pressure rotary jetting apparatus are connected with one end of high-pressure rotary-spray drilling rod, by the another of the high-pressure rotary-spray drilling rod
End is extend into the supporting course region below the sediment region, and the diameter of the high-pressure rotary-spray drilling rod is less than the coring hole
Diameter；
Step 3：Using high-pressure rotary-spray equipment elder generation injected clear water, and start rotating-spray clear water, then gradually described in lifting
The spout of high-pressure rotary-spray drilling rod, it is punched pile bottom sediment；
Step 4：After pile bottom sediment is fully punched into suspended particulate, starts air compressor machine and input high strong gas pressure to stake bottom；
Step 5：Persistently stake bottom is sprayed water and inputs high strong gas pressure, makes the mixing that a bottom contains sediment using atmospheric pressure
Slurries are released outside pile foundation by air pressure, until completing thoroughly clear bottom.
Step 6：The high-pressure rotary-spray drilling rod is taken out, and concentrated water slurry liquid is passed through by coring by conduit using grouting pump
Hole pours into a bottom, and the clear water poured into during scarfing cinder operation in sediment region is all cemented out；
Step 7：Grouting material is poured into by a bottom by coring hole by conduit using grouting pump, concentrated water slurry liquid is whole
Cement out；
Step 8：The conduit is extracted, and continues to pour into grouting material and fills up the coring hole.
Further, in step 1, a coring hole is drilled through at the pile foundation center using core drilling rig.
Further, in step 2, the other end of the high-pressure rotary-spray drilling rod stretches into the supporting course region and makes institute
The spout for stating high-pressure rotary jetting apparatus is located at sediment region.
Further, in step 5, " r " shape joint on set on the coring hole of pile foundation, " r " the shape joint
Lateral interface is connected by a water pipe with sludge collection case, and high-pressure rotary jetting apparatus can be by connecing above " r " the shape joint
Mouth carries out removing slag from pile bottom operation to pile foundation；When carrying out scarfing cinder operation to stake bottom, the mixture of clear water and sediment is from coring hole
Gush out and imported from the lateral interface of " r " the shape joint by water pipe in the sludge collection case；Persistently to the sediment
Water slurry mixture in collecting box measures, when the sediment in derived water slurry mixture and the volume ratio in pile bottom sediment region
More than 70%, represent that removing slag from pile bottom finishes.
Further, while sand content measures in the sludge collection case, to what is sprayed from water pipe
Water slurry mixture is artificially observed, and when the water and the definition of clear water that are sprayed from the water pipe are very nearly the same, represents stake
Bottom scarfing cinder finishes.
Further, in step 7, treat that grouting material is poured into after a bottom, the steam vent observed in pile foundation, as the row
Stomata has general on grouting material, and after concentration remains unchanged, then fills 3 minutes, the concentrated water slurry liquid is all cemented out.
Further, in step 7, when irrigating grouting material, sporadically rotate the conduit, to prevent grouting material because
Initial set and consolidate the conduit.
Further, the grouting material presses grouting material siccative：Water=25：3.5 volume ratio proportioning forms.
Further, a diameter of 101mm in the coring hole.
Further, a diameter of 60mm of the high-pressure rotary-spray drilling rod.
Further, a diameter of 25mm of the conduit.
Further, the Pile Diameter is 1.3m.
Compared with prior art, the invention has the advantages that：
Complete treatment method for pile bottom sediment provided by the invention is mixed using grouting material instead of cement mortar, cement mortar or microlith
Solidifying soil changes the material filled out as stake bottom, and it has the characteristics of vertical expansion ratio is big, intensity is high relative to cement mortar or cement mortar,
There is the pourable construction feasibility in narrow and small hole with respect to pea gravel concreten, when carrying out slip casting operation using grouting material both
The amount of slip casting can be saved, can also save the slip casting time, considerably increases the efficiency of pile grouting, pile bottom sediment provided by the invention
Complete processing method also on the premise of the whole sediment region that guarantee borehole cleaning radius can be covered under pile foundation, reduces progress
Coring hole needed for the scarfing cinder operation at stake bottom, and the thorough scarfing cinder at a bottom is carried out using high-pressure rotary jetting apparatus and air compressor machine, make it
The effect at existing clear bottom porous in the art can be reached.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is that implementation when removing slag from pile bottom is carried out in the complete treatment method for pile bottom sediment that the embodiment of the present invention one provides is shown
It is intended to；
Fig. 2 is that implementation when pile grouting is carried out in the complete treatment method for pile bottom sediment that the embodiment of the present invention one provides is shown
It is intended to；
Fig. 3 is that implementation when pile grouting is carried out in the complete treatment method for pile bottom sediment that the embodiment of the present invention two provides is shown
It is intended to；
Fig. 4 is that implementation when removing slag from pile bottom is carried out in the complete treatment method for pile bottom sediment that the embodiment of the present invention three provides is shown
It is intended to；
Fig. 5 is the sectional view of " r " shape joint in the embodiment of the present invention three.
In Fig. 1 to 5,
1：Pile foundation；2：Sediment region；3：Supporting course region；4：High-pressure rotary-spray drilling rod；5：Coring hole；6：Steam vent；7：“r”
Shape joint；71：Lateral interface；72：Top interface；8：Sludge collection case；9：Conduit.
Embodiment
Complete treatment method for pile bottom sediment proposed by the present invention is made below in conjunction with the drawings and specific embodiments further detailed
Describe in detail bright.According to following explanation and claims, advantages and features of the invention will become apparent from.It should be noted that accompanying drawing is equal
Non- accurately ratio is used using very simplified form and, only to convenience, lucidly aid in illustrating the embodiment of the present invention
Purpose.
The core concept of the present invention is, there is provided a kind of complete treatment method for pile bottom sediment, this method use grouting material generation
The material filled out is changed as stake bottom for cement mortar, cement mortar or pea gravel concreten, it has relative to cement mortar or cement mortar
The characteristics of vertical expansion ratio is big, intensity is high, there is the pourable construction feasibility in narrow and small hole with respect to pea gravel concreten,
Can be saved using grouting material during slip casting operation the amount of slip casting, can also save the slip casting time, considerably increase pile grouting
Efficiency, this method also on the premise of the whole sediment region that can cover under pile foundation of borehole cleaning radius is ensured, reduce into
Coring hole needed for the scarfing cinder operation at row stake bottom, and the thorough scarfing cinder at a bottom is carried out using high-pressure rotary jetting apparatus and air compressor machine, make
It can reach the effect at existing clear bottom porous in the art.
Fig. 1 to Fig. 5 is refer to, Fig. 1 is to carry out stake in the complete treatment method for pile bottom sediment that the embodiment of the present invention one provides
Implementation schematic diagram during the scarfing cinder of bottom；Fig. 2 is that stake bottom is carried out in the complete treatment method for pile bottom sediment that the embodiment of the present invention one provides
Implementation schematic diagram during slip casting；Fig. 3 is that stake rising pouring is carried out in the complete treatment method for pile bottom sediment that the embodiment of the present invention two provides
Implementation schematic diagram during slurry；Fig. 4 is to carry out removing slag from pile bottom in the complete treatment method for pile bottom sediment that the embodiment of the present invention three provides
When implementation schematic diagram；Fig. 5 is the sectional view of " r " shape joint in the embodiment of the present invention three.
Embodiment one
Please emphasis with reference to figure 1 and Fig. 2, as depicted in figs. 1 and 2, the embodiment of the present invention provides a kind of complete place of pile bottom sediment
Reason method, for remove the bottom of pile foundation 1 sediment and filling pile bottom sediment region 2 after sediment is removed left by space,
The complete treatment method for pile bottom sediment includes：
Step 1：A coring hole 5 is drilled through in the pile foundation 1, core bore 5 is drilled through and runs through whole pile foundation 1；
Step 2：High-pressure rotary jetting apparatus are connected with one end of high-pressure rotary-spray drilling rod 4, by the another of the high-pressure rotary-spray drilling rod 4
One end is extend into the supporting course region 3 of the lower section of sediment region 2, and the diameter of the high-pressure rotary-spray drilling rod 4 is less than described take
The diameter of core bore 5；
Step 3：Using high-pressure rotary-spray equipment elder generation injected clear water, and start rotating-spray clear water, then gradually described in lifting
The spout of high-pressure rotary-spray drilling rod 4, it is punched pile bottom sediment；
Step 4：After pile bottom sediment is fully punched into suspended particulate, starts air compressor machine and input high strong gas pressure to stake bottom；
Step 5：Persistently stake bottom is sprayed water and inputs high strong gas pressure, makes the mixing that a bottom contains sediment using atmospheric pressure
Slurries are released outside pile foundation by air pressure, until completing thoroughly clear bottom.
Step 6：The high-pressure rotary-spray drilling rod 4 is taken out, and concentrated water slurry liquid is passed through by conduit 9 using grouting pump and taken
Core bore 5 pours into a bottom, and the clear water poured into during scarfing cinder operation in sediment region 2 is all cemented out；
Step 7：Grouting material is poured into by a bottom by coring hole 5 by conduit 9 using grouting pump, concentrated water slurry liquid is complete
Portion cements out；
Step 8：The conduit 9 is extracted, and continues to pour into grouting material and fills up the coring hole 5.
Further, in step 1, a coring hole 5 is drilled through at the center of pile foundation 1 using core drilling rig.
Further, in step 2, the other end of the high-pressure rotary-spray drilling rod 4 stretches into the supporting course region 3 and made
The spout of the high-pressure rotary jetting apparatus is located at sediment region.
Further, in step 7, when irrigating grouting material, sporadically rotate the conduit 9, to prevent grouting material because
Initial set and consolidate the conduit 9.
Further, the grouting material presses grouting material siccative：Water=25：3.5 volume ratio proportioning forms.
Further, a diameter of 101mm in the coring hole 5.
Further, a diameter of 60mm of the high-pressure rotary-spray drilling rod 4.
Further, a diameter of 25mm of the conduit 9.
Further, 1 a diameter of 1.3m of pile foundation.
Complete treatment method for pile bottom sediment provided in an embodiment of the present invention carries out the clear of a bottom by the way of the clear bottom of single hole
Slag operation, coring hole 5 is drilled in the center of pile foundation 1, to ensure that it is whole heavy under pile foundation 1 that the borehole cleaning radius of single hole can cover
Slag region 2, and the thorough scarfing cinder at a bottom is carried out using high-pressure rotary jetting apparatus and air compressor machine, the clear bottom of single hole is reached porous clear bottom
Effect；Complete treatment method for pile bottom sediment provided by the invention additionally uses grouting material instead of cement mortar, cement mortar or thin
Stone concrete changes the material filled out as stake bottom, and it has relative to cement mortar or cement mortar, and vertical expansion ratio is big, intensity is high
Feature, there is the pourable construction feasibility in narrow and small hole with respect to pea gravel concreten, filling is used when carrying out slip casting operation
Slurry can save the amount of slip casting, can also save the slip casting time, considerably increase the efficiency of pile grouting.
Embodiment two
Please emphasis with reference to figure 3, as shown in figure 3, the present embodiment, compared with embodiment one, difference is, in step 1,
Two coring holes 5 are drilled through in the pile foundation 1, core bore 5 is drilled through and runs through whole pile foundation 1.
One in the present embodiment in two coring holes 5 is used to be passed through high-pressure rotary-spray drilling rod 4, and another is as steam vent 6.
Other steps of complete treatment method for pile bottom sediment are identical with embodiment one in the present embodiment, herein just no longer
Repeat.
Further, in step 7, treat that grouting material is poured into after a bottom, the steam vent 6 observed in pile foundation 1, when described
Steam vent 6 has general on grouting material, and after concentration remains unchanged, then fills 3 minutes, the concentrated water slurry liquid is all cemented out.
Embodiment three
Please emphasis with reference to figure 4 and Fig. 5, as shown in Figure 4 and Figure 5, compared with embodiment two, difference is the present embodiment,
In step 5, " r " shape joint 7, the lateral interface 71 of " r " the shape joint 7 are covered on a coring hole 5 of pile foundation 1
Connected by a water pipe with sludge collection case 8, high-pressure rotary jetting apparatus can be right by the top interface 72 of " r " the shape joint 7
Pile foundation 1 carries out removing slag from pile bottom operation；When carrying out scarfing cinder operation to stake bottom, the mixture of clear water and sediment gushes from coring hole 5
Go out and imported at the lateral interface 71 of " r " the shape joint 7 by water pipe in the sludge collection case 8；Persistently to described heavy
Water slurry mixture in slag collecting box 8 measures, when the sediment in derived water slurry mixture and the body in pile bottom sediment region 2
Product represents that removing slag from pile bottom finishes than being more than 70%.
Other steps of complete treatment method for pile bottom sediment are identical with embodiment two in the present embodiment, herein just no longer
Repeat.
Further, while sand content measures in the sludge collection case 8, to what is sprayed from water pipe
Water slurry mixture is artificially observed, and when the water and the definition of clear water that are sprayed from the water pipe are very nearly the same, represents stake
Bottom scarfing cinder finishes.
In the present embodiment, two coring holes 5 are drilled with pile foundation 1, are carrying out the work of above-mentioned judgement effect of removing slag from pile bottom
" r " shape joint is installed in Shi Liuyi coring hole 5, and seals other coring holes 5（That is steam vent 6）, to ensure the accurate of this method
Property and efficiency of the practice.
Obviously, those skilled in the art can carry out the essence of various changes and deformation without departing from the present invention to the present invention
God and scope.So, if these modification and variation of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and deformation.
Claims (10)
- A kind of 1. complete treatment method for pile bottom sediment, for removing the sediment of pile foundation bottom and the sediment region at filling pile bottom clear Except space left after sediment, it is characterised in that including：Step 1：A coring hole is drilled through at the pile foundation center using core drilling rig, a diameter of 101mm in the coring hole, Drilled through core bore runs through whole pile foundation；Step 2：High-pressure rotary jetting apparatus are connected with one end of high-pressure rotary-spray drilling rod, the other end of the high-pressure rotary-spray drilling rod is stretched Enter into the supporting course region below the sediment region, the diameter of the high-pressure rotary-spray drilling rod is less than the straight of the coring hole Footpath；Step 3：Using high-pressure rotary jetting apparatus elder generation injected clear water, and start rotating-spray clear water, then gradually lift the high pressure rotation The spout of drilling rod is sprayed, is punched pile bottom sediment；Step 4：After pile bottom sediment is fully punched into suspended particulate, starts air compressor machine stake bottom and input high strong gas pressure；Step 5：Persistently stake bottom is sprayed water and inputs high strong gas pressure, makes the mixed serum that a bottom contains sediment using atmospheric pressure Released by air pressure outside pile foundation, until completing thoroughly clear bottom；Step 6：The high-pressure rotary-spray drilling rod is taken out, and is filled concentrated water slurry liquid by coring hole by conduit using grouting pump Enter a bottom, the clear water poured into during scarfing cinder operation in sediment region is all cemented out；Step 7：Grouting material is poured into by coring hole by a bottom by conduit using grouting pump, concentrated water slurry liquid is all replaced Out；Step 8：The conduit is extracted, and continues to pour into grouting material and fills up the coring hole.
- 2. complete treatment method for pile bottom sediment according to claim 1, it is characterised in that in step 2, the high pressure rotation The other end of spray drilling rod stretches into the supporting course region and the spout of the high-pressure rotary jetting apparatus is located at sediment region.
- 3. complete treatment method for pile bottom sediment according to claim 1, it is characterised in that in step 5, in taking for pile foundation " r " shape joint is put in core bore, the lateral interface of " r " the shape joint is connected by a water pipe with sludge collection case, High-pressure rotary jetting apparatus can carry out removing slag from pile bottom operation by the top interface of " r " the shape joint to pile foundation；Carried out to stake bottom During scarfing cinder operation, the mixture of clear water and sediment is gushed out from coring hole and passed through from the lateral interface of " r " the shape joint Water pipe is imported in the sludge collection case；Persistently the water slurry mixture in the sludge collection case is measured, when derived Sediment and the volume ratio in pile bottom sediment region in water slurry mixture are more than 70%, represent that removing slag from pile bottom finishes.
- 4. complete treatment method for pile bottom sediment according to claim 3, it is characterised in that the sand in the sludge collection case While native content measures, the water slurry mixture sprayed from water pipe is artificially observed, sprayed when from the water pipe When the water and the definition of clear water that go out are very nearly the same, represent that removing slag from pile bottom finishes.
- 5. complete treatment method for pile bottom sediment according to claim 1, it is characterised in that in step 7, treat that grouting material fills After entering a bottom, the steam vent observed in pile foundation, when the steam vent has general on grouting material, and after concentration remains unchanged, then 3 are filled Minute, the concentrated water slurry liquid is all cemented out.
- 6. complete treatment method for pile bottom sediment according to claim 1, it is characterised in that in step 7, be in the milk in perfusion During material, the conduit is sporadically rotated, the conduit is consolidated because of initial set to prevent grouting material.
- 7. complete treatment method for pile bottom sediment according to claim 1, it is characterised in that the grouting material is done by grouting material Material：Water=25：3.5 volume ratio proportioning forms.
- 8. complete treatment method for pile bottom sediment according to claim 1, it is characterised in that the diameter of the high-pressure rotary-spray drilling rod For 60mm.
- 9. complete treatment method for pile bottom sediment according to claim 1, it is characterised in that a diameter of 25mm of the conduit.
- 10. according to any one of claim 1 to 9 complete treatment method for pile bottom sediment, it is characterised in that the Pile Diameter For 1.3m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103228.9A CN103147707B (en) | 2013-03-27 | 2013-03-27 | Complete treatment method for pile bottom sediment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310103228.9A CN103147707B (en) | 2013-03-27 | 2013-03-27 | Complete treatment method for pile bottom sediment |
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| CN103147707A CN103147707A (en) | 2013-06-12 |
| CN103147707B true CN103147707B (en) | 2017-12-08 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759360B (en) * | 2016-12-30 | 2020-01-17 | 青岛业高建设工程有限公司 | Slag-cleaning grouting device and slag-cleaning grouting method adopting same |
| CN110700243A (en) * | 2019-10-25 | 2020-01-17 | 中航勘察设计研究院有限公司 | Method for treating pile bottom sediment of concrete cast-in-place pile |
| CN110984137A (en) * | 2019-11-21 | 2020-04-10 | 四川宝鑫建设有限公司 | Bridge cast-in-situ bored pile construction method |
| CN113389521B (en) * | 2021-05-25 | 2022-08-19 | 天津市建筑构件工程有限公司 | Internal expanding type bored concrete pile bottom sediment treatment device |
| CN113668533B (en) * | 2021-08-05 | 2022-06-10 | 中国十七冶集团有限公司 | Device and method for treating excessive thickness of sediment at bottom of large-diameter concrete cast-in-place pile |
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| CN102493435A (en) * | 2011-12-23 | 2012-06-13 | 上海港务工程公司 | Boring and trenching gas lift reverse circulation residue discharging method |
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|---|---|---|---|---|
| JPS55126688A (en) * | 1979-03-19 | 1980-09-30 | Toyosaku Shibata | Slime withdrawing apparatus |
| CN102493435A (en) * | 2011-12-23 | 2012-06-13 | 上海港务工程公司 | Boring and trenching gas lift reverse circulation residue discharging method |
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