CN108505514A - A kind of construction method of bad ground pile foundation slurry retaining wall - Google Patents
A kind of construction method of bad ground pile foundation slurry retaining wall Download PDFInfo
- Publication number
- CN108505514A CN108505514A CN201810321318.8A CN201810321318A CN108505514A CN 108505514 A CN108505514 A CN 108505514A CN 201810321318 A CN201810321318 A CN 201810321318A CN 108505514 A CN108505514 A CN 108505514A
- Authority
- CN
- China
- Prior art keywords
- mud
- casing
- construction
- pile foundation
- water
- 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.)
- Granted
Links
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
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
- E02D5/385—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds with removal of the outer mould-pipes
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)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention provides a kind of construction method of bad ground pile foundation slurry retaining wall, includes the following steps：Construction and excavation clear water reserviors, it fills clear water and basic species is added and adjust clear water PH, according to a conventional method casing is buried in location to be onstructed, polymer mud will be sprinkling upon on the slime water of casing again in the slime water injection casing of preparation, stirring, which is stood, obtains manufactured mud, start to creep into using churning driven, in drilling process, slime water and mud polymer are added into casing, it is stirred using rotary drill rod, complete drilling construction, and the sediment thickness of drilling is detected, after borehole inspection qualification, it hangs steel reinforcement cage and conduit and carries out concrete construction again, finally extract conduit and casing, complete pile foundation construction.The present invention is up to 3000 ~ 35,000,000 using the molecular weight of polymer mud, and viscosity to greatest extent, while the rate of penetration of 8 ~ 10m/h are played after hydrolysis, polymer mud is allowed to and is uniformly mixed with water, reduces mixing time, promotes the high viscosity of manufactured mud.
Description
Technical field
The invention belongs to technical field of construction, and in particular to a kind of construction method of bad ground pile foundation slurry retaining wall.
Background technology
Northwest China loess plateau, Arid Desert Region, ecological environment frailty, bridge location geology are mostly that chiltern is newly yellow
Easily there is collapse hole burying head, reaming in the sandy soil bridge foundation drilled pile construction under the geological conditions in native, middle sand and flour sand
And mud conditioning it is difficult phenomena such as, traditional bentonite mineral mud off construction method cost is high, environmental disruption is big, takes
It is long, it is of high cost.
Invention content
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of bad ground pile foundation slurry shields
The construction method of wall.
To achieve the goals above or other purposes, the present invention are achieved through the following technical solutions：
A kind of construction method of bad ground pile foundation slurry retaining wall, includes the following steps：
S1：It is prepared by slime water：Construction and excavation clear water reserviors fill clear water and basic species adjusting clear water PH to 8-10 are added；
S2：Shield-tube embedment：According to a conventional method round pool and embedded casing are excavated in location to be onstructed；
S3：Slurry confection：The slime water of preparation is injected in casing using water pump, then polymer mud is uniformly sprinkling upon to shield
It stands 18 on the slime water of cylinder, after stirring after 1~2h~for 24 hours can be obtained that viscosity is 38~45s, sand factor is less than 0.5%
Manufactured mud, wherein the slime water of injection casing and the mass volume ratio of polymer mud are 1：0.8~1.1, wherein use
The molecular weight of polymer mud is 30,000,000~35,000,000；
S4：Drilling and forming hole：After the completion of manufactured mud is prepared in casing, start to creep into using churning driven, in drilling process,
Slime water is added into casing by water pump and is sprinkling upon mud polymer by the ratio uniform in step S3 is sprayed into casing
Flow on, be maintained at the effect of 8~10m/h in rate of penetration, be stirred using the drilling rod of churning driven and make mud always
Agitated conditions are maintained at, until extremely 3~5 meters away from design pile foundation bottom of drilling stops addition slime waters and polymer mud, finally
Drilling construction is completed, and the sediment thickness of drilling is detected；
S5：Steel reinforcement cage is hung and concrete construction：After borehole inspection qualification, hangs steel reinforcement cage and conduit and check again for
Sediment thickness carries out concrete construction after qualified.
S6：Pile：Conduit is extracted after the completion of concreting, casing is extracted before concrete initial set, concrete setting is
Complete pile foundation construction.
Further, in step S1, the size of clear water reserviors is 3~5*3~5*2.5m3。
Further, alkaline matter can be put into the bucket for fill it up with tap water and obtain alkaline solution after dissolving before addition,
Alkaline solution will be obtained again to be added in clear water reserviors.
Further, in step S3, polymer mud by hydrolyzed polyacrylamide, CMC, cationic polyacrylamide and
Natural plant gum in mass ratio 1：2~4：5~10：1~3 mixes.
Further, the sediment thickness qualification need to be not more than 5cm, need to be straight using slurry processes progress borehole cleaning is changed if unqualified
To sediment thickness qualification；In step S5, the sediment thickness qualification need to be not more than 20cm.
Further, in step S5, in casting concrete, to recycle again in recyclable mud to clear water reserviors.
Beneficial effects of the present invention：1, environment friendly and pollution-free：The manufactured mud used can gradually degrade after drying, until steaming
Hair, can direct emission or re-using after mud polymer active ingredient is degradable；2, viscosity is strong, cohesion is fast：Polymerization
Object mud is by hydrolyzed polyacrylamide, CMC, cationic polyacrylamide and natural plant gum in mass ratio 1：2~4：5~10：1~
3 mix, and the molecular weight of polymer mud is made to be up to 3000~35,000,000 or more, can play glue to greatest extent after hydrolyzing
Simultaneously rapid precipitation boring mud is spent, while the prolonged agitation of drilling rod coordinates the rate of penetration of 8~10m/h, makes the polymer being subsequently added
Mud and slime water uniformly mix, and reduce mixing time, promote the high viscosity of manufactured mud；3, cinclides stability is good, using rotation
It digs and bores construction, driving speed is fast, and churning driven can provide pressure to hole wall, and prevent from drilling in caving ground caves in, and improves
Driving speed；4, not damaged to works：Manufactured mud is not damaged to reinforcing steel bar machinery performance and concrete；5, material is easy to deposit
It puts, mixing process is simple, without excessive input labour.
Description of the drawings
Fig. 1 is the construction process figure of the present invention.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this specification below by way of specific specific example
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
A kind of construction method of bad ground pile foundation slurry retaining wall, includes the following steps：S1：It is prepared by slime water：Construction is opened
Clear water reserviors are dug, size is 3~5*3~5*2.5m3, fill clear water and basic species adjusting clear water PH to 8-10, alkaline matter be added
It can be put into before addition after being dissolved in the bucket for fill it up with tap water and obtain alkaline solution, then alkaline solution will be obtained, clear water reserviors are added
In；S2：Shield-tube embedment：According to a conventional method round pool and embedded casing are excavated in location to be onstructed；S3：Slurry confection：Using water pump
The slime water prepared is injected in casing, then polymer mud is uniformly sprinkling upon on the slime water of casing, it is quiet after 1~2h of stirring
Set 18~can be obtained for 24 hours viscosity be 38~45s, sand factor be less than 0.5% manufactured mud, can be to being made after stirring
Manufactured mud carry out performance detection, wherein injection casing slime water and polymer mud mass volume ratio be 1：0.8~
1.1, the polymer mud is by hydrolyzed polyacrylamide, CMC, cationic polyacrylamide and natural plant gum in mass ratio 1：2
~4：5~10：1~3 mixes, and the molecular weight of the polymer mud finally made is 30,000,000~35,000,000；S4：It creeps into
Hole：After the completion of manufactured mud is prepared in casing, start to creep into using churning driven, in drilling process, by water pump into casing
Mud polymer is simultaneously sprinkling upon by the ratio uniform in step S3 in the flow sprayed into casing by addition slime water, and casing is added
The additive amount of interior polymer mud and slime water on ensure mud liquid level must not be less than casing height 1/2 premised on,
Simultaneously need to arrange special messenger be responsible for add work, the effect of 8~10m/h is maintained in rate of penetration at this time, using rotary drill rod into
Row stirs and mud is made to remain at agitated conditions, until extremely 3~5 meters away from design pile foundation bottom of drilling stops addition slime water
And polymer mud, it is finally completed drilling construction, and be detected to the sediment thickness of drilling, the sediment thickness Eligibility requirements
5cm need to be not more than, if unqualified, need to use and change slurry processes progress borehole cleaning until sediment thickness is qualified；S5：Steel reinforcement cage is hung and coagulation
Soil construction：It after borehole inspection qualification, hangs steel reinforcement cage and conduit and checks again for sediment thickness, wherein the sediment thickness closes
Lattice require that 20cm need to be not more than, and unqualified need to use changes slurry processes progress borehole cleaning, while water jetting at high pressure auxiliary, qualified rear can be used
It can carry out concrete construction；In casting concrete, in recyclable manufactured mud to clear water reserviors, can gradually degrade after drying,
Until evaporation, it can direct emission or re-using after mud polymer active ingredient is degradable；S6：Pile：Concrete
Conduit is extracted after the completion of pouring, casing is extracted before concrete initial set, and pile foundation construction is completed in concrete setting.
Construction method of the present invention be the polymer mud obtained by laboratory experiment first, secondly by waiting for
Construction site is summarized after nearby choosing multiple similar experiment location progress many experiments with location earth formation to be onstructed,
Experimental data refers to following table.
Wherein A is hydrolyzed polyacrylamide, B CMC, C are cationic polyacrylamide, D is natural plant gum, when the stirring
Between for the mixing time in manufactured mud process for preparation；As can be seen that the present invention uses churning driven from embodiment 1,2,3,4,8
Method in drilling process using rotary drill rod carry out polymer mud and slime water stirring, rate of penetration is to most end form
There is certain influence at retaining wall；The viscosity of the manufactured mud prepared in casing can be seen that since embodiment 1,2,4,5,9
Range has certain influence to the formation of final retaining wall；From embodiment 6,7 compared to the examples, it can be seen that the present invention is by certain ratio
The difference of polymer mud made of example, molecular weight equally has a certain impact to the formation of final retaining wall.
The above, only presently preferred embodiments of the present invention, not to the present invention in any form with substantial limitation,
It should be pointed out that for those skilled in the art, under the premise of not departing from the method for the present invention, can also make
Several improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are the equivalent embodiment of the present invention；Meanwhile all substantial technologicals pair according to the present invention
The variation, modification and evolution of any equivalent variations made by above-described embodiment, still fall within the range of technical scheme of the present invention
It is interior.
Claims (6)
1. a kind of construction method of bad ground pile foundation slurry retaining wall, which is characterized in that include the following steps,
S1：It is prepared by slime water：Construction and excavation clear water reserviors fill clear water and basic species adjusting clear water PH to 8-10 are added；
S2：Shield-tube embedment：According to a conventional method round pool and embedded casing are excavated in location to be onstructed；
S3：Slurry confection：The slime water of preparation is injected in casing using water pump, then polymer mud is uniformly sprinkling upon casing
On slime water, after stirring after 1~2h stand 18~can be obtained for 24 hours viscosity be 38~45s, sand factor less than 0.5% it is special
Mud, wherein the slime water of injection casing and the mass volume ratio of polymer mud are 1：0.8~1.1, wherein the polymerization used
The molecular weight of object mud is 30,000,000~35,000,000；
S4：Drilling and forming hole：After the completion of manufactured mud is prepared in casing, starts to creep into using churning driven, in drilling process, pass through
Water pump adds slime water into casing and mud polymer is sprinkling upon to the water sprayed into casing by the ratio uniform in step S3
On stream, it is maintained at the effect of 8~10m/h in rate of penetration, is stirred using the drilling rod of churning driven and mud is made to remain
In agitated conditions, until drilling is finally completed to 3~5 meters away from design pile foundation bottom stopping addition slime waters and polymer mud
Drilling construction, and the sediment thickness of drilling is detected；
S5：Steel reinforcement cage is hung and concrete construction：After borehole inspection qualification, hangs steel reinforcement cage and conduit and check again for sediment
Thickness carries out concrete construction after qualified.
S6：Pile：Conduit is extracted after the completion of concreting, casing is extracted before concrete initial set, concrete setting is completed
Pile foundation construction.
2. the construction method of bad ground pile foundation slurry retaining wall as described in claim 1, which is characterized in that in step S1, clearly
The size in pond is 3~5*3~5*2.5m3。
3. the construction method of bad ground pile foundation slurry retaining wall as described in claim 1, which is characterized in that in step S1, alkali
Property substance can be put into before addition in the bucket for fill it up with tap water dissolve after obtain alkaline solution, then will obtain alkaline solution addition
In clear water reserviors.
4. the construction method of bad ground pile foundation slurry retaining wall as described in claim 1, which is characterized in that in step S3, gather
Object mud is closed by hydrolyzed polyacrylamide, CMC, cationic polyacrylamide and natural plant gum in mass ratio 1：2~4：5~10：1
~3 mix.
5. the construction method of bad ground pile foundation slurry retaining wall as described in claim 1, which is characterized in that in step S4, institute
5cm need to be not more than by stating sediment thickness qualification, if unqualified, borehole cleaning is carried out until sediment thickness is qualified using slurry processes are changed；Step S5
In, the sediment thickness qualification need to be not more than 20cm.
6. the construction method of bad ground pile foundation slurry retaining wall as described in claim 1, which is characterized in that in step S5,
When casting concrete, to recycle again in recyclable mud to clear water reserviors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321318.8A CN108505514B (en) | 2018-04-11 | 2018-04-11 | Construction method of mud retaining wall of pile foundation in complex stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321318.8A CN108505514B (en) | 2018-04-11 | 2018-04-11 | Construction method of mud retaining wall of pile foundation in complex stratum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108505514A true CN108505514A (en) | 2018-09-07 |
| CN108505514B CN108505514B (en) | 2020-08-07 |
Family
ID=63381524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810321318.8A Active CN108505514B (en) | 2018-04-11 | 2018-04-11 | Construction method of mud retaining wall of pile foundation in complex stratum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108505514B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679596A (en) * | 2018-12-14 | 2019-04-26 | 沈阳建筑大学 | A kind of application method of the slurry coat method with magnetosensitive thickening power |
| CN110029660A (en) * | 2019-02-15 | 2019-07-19 | 中科兴创（北京）科技有限公司 | The construction technology of polymer mud retaining wall is used in a kind of rotary drilling rig work progress |
| CN110159186A (en) * | 2019-05-24 | 2019-08-23 | 中国建筑第五工程局有限公司 | Slurry drilled pile drilling construction method |
| CN114059560A (en) * | 2021-12-22 | 2022-02-18 | 瑞洲建设集团有限公司 | Inclined pile construction method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850249A (en) * | 2014-03-25 | 2014-06-11 | 陕西桩鑫建设工程有限公司 | Construction technology for long-spiral cast-in-place pile extruded into rock |
| CN106284313A (en) * | 2016-08-25 | 2017-01-04 | 陕西桩鑫建设工程有限公司 | Long spire based on circulating mud retaining wall is squeezed into rock filling pile construction method |
| CN107382128A (en) * | 2017-08-09 | 2017-11-24 | 安徽中铁工程材料科技有限公司 | A kind of anti-collapse type polymer mud powder and preparation method thereof and purposes |
-
2018
- 2018-04-11 CN CN201810321318.8A patent/CN108505514B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850249A (en) * | 2014-03-25 | 2014-06-11 | 陕西桩鑫建设工程有限公司 | Construction technology for long-spiral cast-in-place pile extruded into rock |
| CN106284313A (en) * | 2016-08-25 | 2017-01-04 | 陕西桩鑫建设工程有限公司 | Long spire based on circulating mud retaining wall is squeezed into rock filling pile construction method |
| CN107382128A (en) * | 2017-08-09 | 2017-11-24 | 安徽中铁工程材料科技有限公司 | A kind of anti-collapse type polymer mud powder and preparation method thereof and purposes |
Non-Patent Citations (1)
| Title |
|---|
| 袁胡: "化学聚合物泥浆在旋挖钻孔桩施工中的应用", 《西部交通科技》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679596A (en) * | 2018-12-14 | 2019-04-26 | 沈阳建筑大学 | A kind of application method of the slurry coat method with magnetosensitive thickening power |
| CN110029660A (en) * | 2019-02-15 | 2019-07-19 | 中科兴创（北京）科技有限公司 | The construction technology of polymer mud retaining wall is used in a kind of rotary drilling rig work progress |
| CN110159186A (en) * | 2019-05-24 | 2019-08-23 | 中国建筑第五工程局有限公司 | Slurry drilled pile drilling construction method |
| CN114059560A (en) * | 2021-12-22 | 2022-02-18 | 瑞洲建设集团有限公司 | Inclined pile construction method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108505514B (en) | 2020-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108505514A (en) | A kind of construction method of bad ground pile foundation slurry retaining wall | |
| CN101591914B (en) | Construction method for foundation pit supporting structure occluded by filling piles and stirring piles | |
| CN207260136U (en) | Ultra-deep bored pile borehole cleaning system | |
| CN104929114A (en) | High pressure jet grouting pile waterproof curtain construction device and method | |
| CN105155541B (en) | A kind of dual slurry closure construction method of catch pit | |
| CN110359467A (en) | A kind of construction method that base pit engineering high-pressure rotary jet grouting pile is reinforced | |
| CN204753574U (en) | High pressure jet grouting pile stagnant water curtain construction equipment | |
| CN109403337A (en) | A kind of basalt fibre reinforcement TRD engineering method diaphram wall and its construction method | |
| CN105256795A (en) | End support type thread core composite pile and construction device and method for end support type thread core composite pile | |
| CN106433586A (en) | Organic slurry used for hole-boring cast-in place pile wall protection, and production method thereof | |
| CN110067526A (en) | A kind of thickness sand bed drilling machine and application method | |
| CN106638578A (en) | High-pressure circulation grouting minitype steel pipe pile and construction method thereof | |
| CN104711973A (en) | Construction method for small-diameter pile composite foundation | |
| CN104329020A (en) | Reinforced long-screw rock-socketed construction equipment and process thereof | |
| CN104278679A (en) | Envelope structure combining five (six) shaft mixing piles with precast tubular piles and construction method | |
| CN105297710A (en) | High-pressure-jetting cement soil twist drill and reamed reinforced concrete grouting combined pile and manufacturing method | |
| CN201459737U (en) | Foundation pit supporting structure | |
| CN107338790A (en) | The compound pile construction method of jet mixing | |
| CN107587502A (en) | A kind of spiral-digging pore pressure pour water soil occlusion curtain pile construction method | |
| CN104775412B (en) | Stratum reinforcement PSC construction method | |
| CN104480932B (en) | The soft base cement mixing pile construction method of saline alkali mud matter | |
| CN103343534A (en) | Closed precipitation method for foundation pit construction | |
| CN104108919A (en) | Environment-friendly water-stop curtain | |
| CN107700508A (en) | A kind of shaped steel stirs the construction method of water spray soil curtain support pile | |
| CN205776201U (en) | A kind of anti-float anchor rod constructing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220801 Address after: Hefei City, Anhui Province Zhang Sag Road 230041 No. 106 Patentee after: THE FOURTH ENGINEERING CO., LTD. OF CTCE Group Patentee after: Haoji Railway Co.,Ltd. Address before: Hefei City, Anhui Province Zhang Sag Road 230041 No. 106 Patentee before: THE FOURTH ENGINEERING CO., LTD. OF CTCE Group |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Qin Xiuyu Inventor after: Cheng Linmeng Inventor after: Zhou Wei Inventor after: Liu Tao Inventor after: Zhu Chao Inventor after: Wang Jianghong Inventor after: Ma Zhaofei Inventor after: Qu Ping Inventor after: Wang Hui Inventor after: Lu Yujiang Inventor after: Shen Zongbin Inventor after: Zhao Zhikun Inventor before: Qin Xiuyu Inventor before: Wang Jianghong Inventor before: Shen Zongbin Inventor before: Zhao Zhikun Inventor before: Cheng Linmeng Inventor before: Zhou Wei Inventor before: Liu Tao |