CN109024557A - A kind of drill-pouring prefabricated pile and construction method - Google Patents
A kind of drill-pouring prefabricated pile and construction method Download PDFInfo
- Publication number
- CN109024557A CN109024557A CN201810902142.5A CN201810902142A CN109024557A CN 109024557 A CN109024557 A CN 109024557A CN 201810902142 A CN201810902142 A CN 201810902142A CN 109024557 A CN109024557 A CN 109024557A
- Authority
- CN
- China
- Prior art keywords
- cement
- soil
- pile
- parts
- prefabricated pile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
-
- 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
- E02D5/50—Piles comprising both precast concrete portions and concrete portions cast in situ
Abstract
The invention discloses a kind of drill-pouring prefabricated pile and construction method, including prefabricated pile and cement grout, cement grout, construction method are coated with outside the prefabricated pile are as follows: raw material in cement grout is stirred, mixture is formed；Select stake site, and projected depth；It drills and is sent the cement grout being stirred to the inner tube of hollow type drilling tool by conveying pipeline with ground pump and press cementing soil paste liquid when mentioning brill；After the completion of pressure fills, prefabricated pile is pressed into cement grout, forms cement-soil composite pile.Spiral of the invention mentions the hydraulic irrigation technology of soil-cement soil paste and has the effect that the scope of application for expanding mixing pile, is applicable to various stratum, can solve in soil layer pile hardly possible caused by sticky content is high, water content is low, the deficiency that pile strength not can guarantee；Pile-formation process is using the method for pressing cementing soil paste liquid afterwards is first stirred, and formation pile body is continuous, pile strength is uniform.
Description
Technical field
The present invention relates to a kind of prefabricated pile and construction method, specifically a kind of drill-pouring prefabricated pile and construction method.
Background technique
It is higher and higher to the requirement for bearing capacity of ground with the fast development of engineering construction especially high-lager building, because
This foundation treatment engineering is more and more.Currently, the common processing method of composite foundation has cement mixing method, CFG, compacting water
Soil stake, prefabricated pile, above-mentioned processing method have respective limitation, cannot be general.
Currently, using prefabricated pile carry out basement process it is very mature, because its construction period is short, pollution less due to adopted extensively
With.But hard stratum area, the soil body smoothly cannot be inserted into stake since soil property is hard, these area application compared with
It is few.
Existing cement earth pile raising foundation bearing capacity ability is limited, generally using paddling process or compacting method pile, however
In region of FuShui, since the content of soil body sticking grain is different, it is easy to which the uniformity for influencing stirring causes slurries and soil to mix and stir unevenness
It is even, form cement tuberculosis；On the other hand, it when mixing pile is applied to mud, drift sand or sand-pebble layer, is fixed up, is sprayed
The limitation of the problems such as motionless, cannot effective pile, to influence Foundation Treatment Effect.Therefore, those skilled in the art provide
A kind of drill-pouring prefabricated pile and construction method, to solve the problems mentioned in the above background technology.
Summary of the invention
The purpose of the present invention is to provide a kind of drill-pouring prefabricated pile and construction methods, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
A kind of drill-pouring prefabricated pile and construction method, including prefabricated pile and cement grout, packet outside the prefabricated pile
It is covered with cement grout, and the construction method of cement-soil composite pile are as follows:
Raw materials various in cement grout: being added in blender be sufficiently stirred first by step 1, forms mixing
Material；
Step 2: selection stake site, and design the depth of stake；
Step 3: hollow type long screw auger drilling to completion on stake site, then the water that will be stirred with ground pump are used
Soil slurries are sent to the inner tube of hollow type drilling tool by conveying pipeline and carry out pressure cementing soil paste liquid while mentioning brill, use cement
Soil paste liquid is pile after soil displacement in hole；
Step 4: after the completion of pressure fills, before cement grout does not solidify, prefabricated pile being pressed into cement grout, thus
It forms pressure and fills stiffness cement-soil composite pile.
As a further solution of the present invention: more reinforcing bars are provided in the prefabricated pile.
As further scheme of the invention: the cement grout includes cement, soil, water and additive.
As further scheme of the invention: the additive is specially aggregate chips or flyash.
As further scheme of the invention: each quality composition of cement grout raw material is as follows: cement 150-400
Part, 600-900 parts of soil, 200-500 parts of aggregate chips, 50-150 parts of flyash, 900-950 parts of water.
As further scheme of the invention: each quality composition of cement grout raw material is as follows: 300 parts of cement,
Native 700 parts, 350 parts of aggregate chips, 80 parts of flyash, 920 parts of water.
As further scheme of the invention: each quality composition of cement grout raw material is as follows: 350 parts of cement,
Native 800 parts, 300 parts of aggregate chips, 100 parts of flyash, 900 parts of water.
As the present invention further scheme: the cement using ordinary portland cement, portland slag cement or
Pulverized fuel ash cement.
As further scheme of the invention: the soil uses silt, cohesive soil or sand.
As further scheme of the invention: blender working method uses high-speed stirred and low speed in the step 1
The mode being stirred.
Compared with prior art, the beneficial effects of the present invention are:
1, spiral of the invention mentions the hydraulic irrigation technology of soil-cement soil paste and has the effect that the applicable model for expanding mixing pile
Enclose, be applicable to various stratum, can solve in soil layer pile caused by sticky content is high, water content is low is difficult, pile strength without
The deficiency that method guarantees；Pile-formation process overcomes traditional pile making method in peat using the method for pressing cementing soil paste liquid afterwards is first stirred
The stratum such as soil, mud, drift sand can not pile the shortcomings that, form that pile body is continuous, pile strength is uniform, it is uneven there is no stirring and
The shortcomings that causing pile quality, intensity not to be able to satisfy design requirement.
2, construction material selected in the present invention is extensive, can select different materials according to different engineering properties, selects
The dead meals such as flyash can not only reduce project cost, can also play the role of protecting environment；Present invention process letter
Single, speed of application is fast, and bearing capacity is high, and material requested is commonly easy to get, application easy to spread.
3, prefabricated pile can be divided into circular cross-section and square-section, be furnished in prefabricated pile by engineering specific requirement in the present invention
Reinforcing bar can resist horizontal force, improve bearing capacity, and major advantage has: construction noise is low, vibration is light, pollution is small；Speed of application
Fastly, work efficiency is high, short time limit；Bearing capacity of single pile is high；Pile quality is relatively reliable.
Detailed description of the invention
Fig. 1 is the process flow chart of a kind of drill-pouring prefabricated pile and construction method.
Fig. 2 is the organigram of a kind of drill-pouring prefabricated pile and construction method.
In figure: 1- prefabricated pile, 2- cement grout.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~2, in the embodiment of the present invention, a kind of drill-pouring prefabricated pile and construction method, including prefabricated pile 1
With cement grout 2, cement grout 2 is coated with outside the prefabricated pile 1, and prefabricated pile 1 can require set according to engineering difference
It is set to circular cross-section or square-section.
More reinforcing bars are provided in the prefabricated pile 1.
The cement grout 2 includes cement, soil, water and additive, and the additive is specially aggregate chips or flyash.
Each quality composition of 2 raw material of cement grout is as follows: 150-400 parts of cement, 600-900 parts of soil, aggregate chips 200-
500 parts, 50-150 parts of flyash, 900-950 parts of water.
The cement uses ordinary portland cement, portland slag cement or pulverized fuel ash cement.
The soil uses silt, cohesive soil or sand.
The aggregate chips is the byproduct of stone sorting, for adjusting the specific gravity and intensity of soil cement mix, the fine coal
Ash is used to improve the pumpability of mix.
Embodiment 1
Each quality composition of 2 raw material of cement grout is as follows: 300 parts of cement, native 700 parts, 350 parts of aggregate chips, flyash
80 parts, 920 parts of water.
The construction method of composite pile in the present invention are as follows:
Raw materials various in cement grout 2: being added in blender be sufficiently stirred first by step 1, forms mixing
Material；
Step 2: selection stake site, and design the depth of stake；
Step 3: hollow type long screw auger drilling to completion on stake site, then the water that will be stirred with ground pump are used
Soil slurries 2 are sent to the inner tube of hollow type drilling tool by conveying pipeline and carry out pressure cementing soil paste liquid 2 while mentioning brill, use water
Soil slurries 2 are pile after soil displacement in hole；
Step 4: after the completion of pressure fills, before cement grout 2 does not solidify, prefabricated pile 1 being pressed into cement grout 2, from
And it forms pressure and fills stiffness cement-soil composite pile.
Embodiment 2
Each quality composition of 2 raw material of cement grout is as follows: 350 parts of cement, native 800 parts, 300 parts of aggregate chips, flyash
100 parts, 900 parts of water.
The construction method of composite pile in the present invention are as follows:
Raw materials various in cement grout 2: being added in blender be sufficiently stirred first by step 1, forms mixing
Material；
Step 2: selection stake site, and design the depth of stake；
Step 3: hollow type long screw auger drilling to completion on stake site, then the water that will be stirred with ground pump are used
Soil slurries 2 are sent to the inner tube of hollow type drilling tool by conveying pipeline and carry out pressure cementing soil paste liquid 2 while mentioning brill, use water
Soil slurries 2 are pile after soil displacement in hole；
Step 4: after the completion of pressure fills, before cement grout 2 does not solidify, prefabricated pile 1 being pressed into cement grout 2, from
And it forms pressure and fills stiffness cement-soil composite pile.
The working principle of the invention is:
It is sufficiently stirred in the use of the present invention, raw materials various in cement grout 2 are added in blender first,
Mixture is formed, then selects stake site, and design the depth of stake, then is drilled on stake site using hollow type long screw auger
Projected depth, then given the cement grout 2 being stirred to the inner tube of hollow type drilling tool by conveying pipeline with ground pump, mentioning brill
Meanwhile pressure cementing soil paste liquid 2 is carried out, with cement grout 2 pile after soil displacement in hole, after the completion of pressure fills, in soil cement
Before slurries 2 do not solidify, prefabricated pile 1 is pressed into cement grout 2, so that forming pressure fills stiffness cement-soil composite pile；
The pile-formation process of cement-soil composite pile overcomes traditional pile making method using the method poured into afterwards is first stirred in the present invention
The stratum such as peat soil, mud, drift sand can not pile the shortcomings that, while guaranteeing pile quality；Spiral of the invention mentions soil-cement
The hydraulic irrigation technology of soil paste also has the effect that the scope of application for expanding mixing pile, is applicable to various stratum, can solve soil
The deficiency that sticky content is high in layer, the low caused pile of water content is difficult, pile strength not can guarantee；Pile-formation process is used and is first stirred
The method for pressing cementing soil paste liquid afterwards, formation pile body is continuous, pile strength is uniform, and there is no stirrings unevenly to cause pile body matter
Not the shortcomings that amount, intensity are not able to satisfy design requirement；Selected construction material is extensive in the present invention, can be according to different engineerings
Matter, selects different materials, and the dead meals such as flyash of selection can not only reduce project cost, can also play protection ring
The effect in border；Present invention process is simple, and speed of application is fast, and bearing capacity is high, and material requested is commonly easy to get, application easy to spread；
Prefabricated pile 1 can be divided into circular cross-section and square-section, be furnished in prefabricated pile 1 by engineering specific requirement in the present invention
Reinforcing bar can resist horizontal force, improve bearing capacity, and major advantage has: construction noise is low, vibration is light, pollution is small；Speed of application
Fastly, work efficiency is high, short time limit；Bearing capacity of single pile is high；Pile quality is relatively reliable.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of drill-pouring prefabricated pile and construction method, including prefabricated pile and cement grout, which is characterized in that described prefabricated
Stake is external to be coated with cement grout, and the construction method of cement-soil composite pile are as follows:
Raw materials various in cement grout: being added in blender be sufficiently stirred first by step 1, forms mixture；
Step 2: selection stake site, and design the depth of stake；
Step 3: hollow type long screw auger drilling to completion on stake site, then the soil cement that will be stirred with ground pump are used
Slurries are sent to the inner tube of hollow type drilling tool by conveying pipeline and carry out pressure cementing soil paste liquid while mentioning brill, use soil cement slurry
Liquid is pile after soil displacement in hole；
Step 4: after the completion of pressure fills, before cement grout does not solidify, prefabricated pile is pressed into cement grout, to be formed
Pressure fills stiffness cement-soil composite pile.
2. a kind of drill-pouring prefabricated pile according to claim 1 and construction method, which is characterized in that in the prefabricated pile
It is provided with more reinforcing bars.
3. a kind of drill-pouring prefabricated pile according to claim 1 and construction method, which is characterized in that the soil cement slurry
Liquid includes cement, soil, water and additive.
4. a kind of drill-pouring prefabricated pile according to claim 3 and construction method, which is characterized in that the additive tool
Body is aggregate chips or flyash.
5. a kind of drill-pouring prefabricated pile according to claim 3 or 4 and construction method, which is characterized in that the cement
Each quality composition of soil paste liquid raw material is as follows: 150-400 parts of cement, 600-900 parts of soil, 200-500 parts of aggregate chips, flyash 50-150
Part, 900-950 parts of water.
6. a kind of drill-pouring prefabricated pile according to claim 3 or 4 and construction method, which is characterized in that the cement
Each quality composition of soil paste liquid raw material is as follows: 300 parts of cement, native 700 parts, 350 parts of aggregate chips, 80 parts of flyash, 920 parts of water.
7. a kind of drill-pouring prefabricated pile according to claim 3 or 4 and construction method, which is characterized in that the cement
Each quality composition of soil paste liquid raw material is as follows: 350 parts of cement, native 800 parts, 300 parts of aggregate chips, 100 parts of flyash, 900 parts of water.
8. a kind of drill-pouring prefabricated pile according to claim 3 and construction method, which is characterized in that the cement uses
Ordinary portland cement, portland slag cement or pulverized fuel ash cement.
9. a kind of drill-pouring prefabricated pile according to claim 3 and construction method, which is characterized in that the soil uses powder
Soil, cohesive soil or sand.
10. a kind of drill-pouring prefabricated pile according to claim 1 and construction method, which is characterized in that the step 1
Middle blender working method is using high-speed stirred and by the way of stirring at low speed mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902142.5A CN109024557A (en) | 2018-08-09 | 2018-08-09 | A kind of drill-pouring prefabricated pile and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810902142.5A CN109024557A (en) | 2018-08-09 | 2018-08-09 | A kind of drill-pouring prefabricated pile and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109024557A true CN109024557A (en) | 2018-12-18 |
Family
ID=64633343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810902142.5A Pending CN109024557A (en) | 2018-08-09 | 2018-08-09 | A kind of drill-pouring prefabricated pile and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109024557A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073629A (en) * | 2021-04-20 | 2021-07-06 | 上海强劲地基工程股份有限公司 | Construction method of solidified soil pile |
| CN113309128A (en) * | 2021-05-24 | 2021-08-27 | 北京建材地质工程有限公司 | Construction method of dumbbell-shaped cement soil curtain pile in peat soil stratum |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1718939A (en) * | 2005-07-07 | 2006-01-11 | 何世鸣 | New type cement soil pile and its construction method |
| JP3960372B2 (en) * | 2001-10-16 | 2007-08-15 | 三谷セキサン株式会社 | Foundation pile structure |
| CN104153357A (en) * | 2014-08-26 | 2014-11-19 | 骆嘉成 | Construction method of composite pile |
| CN104929109A (en) * | 2015-05-20 | 2015-09-23 | 骆嘉成 | Replaceable press-grouted cement soil composite pile, construction method of replaceable press-grouted cement soil composite pile and long twist drill employed in construction method |
| CN105672329A (en) * | 2016-02-29 | 2016-06-15 | 济南轨道交通集团有限公司 | Deep foundation pit large-size prefabricated envelop enclosure and construction method |
-
2018
- 2018-08-09 CN CN201810902142.5A patent/CN109024557A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3960372B2 (en) * | 2001-10-16 | 2007-08-15 | 三谷セキサン株式会社 | Foundation pile structure |
| CN1718939A (en) * | 2005-07-07 | 2006-01-11 | 何世鸣 | New type cement soil pile and its construction method |
| CN104153357A (en) * | 2014-08-26 | 2014-11-19 | 骆嘉成 | Construction method of composite pile |
| CN104929109A (en) * | 2015-05-20 | 2015-09-23 | 骆嘉成 | Replaceable press-grouted cement soil composite pile, construction method of replaceable press-grouted cement soil composite pile and long twist drill employed in construction method |
| CN105672329A (en) * | 2016-02-29 | 2016-06-15 | 济南轨道交通集团有限公司 | Deep foundation pit large-size prefabricated envelop enclosure and construction method |
| CN105672329B (en) * | 2016-02-29 | 2017-12-15 | 济南轨道交通集团有限公司 | The large size prefabricated building enclosure of deep basal pit and construction method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073629A (en) * | 2021-04-20 | 2021-07-06 | 上海强劲地基工程股份有限公司 | Construction method of solidified soil pile |
| CN113309128A (en) * | 2021-05-24 | 2021-08-27 | 北京建材地质工程有限公司 | Construction method of dumbbell-shaped cement soil curtain pile in peat soil stratum |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101423364B (en) | Wet mixture mortar capable of pumping | |
| CN107401159A (en) | A kind of premixing fluidised form solidified earth | |
| CN105970979A (en) | Ecological slope protection method based on sludge solidification soil | |
| CN107558336A (en) | A kind of municipal cement flooring laying apparatus | |
| CN107572956A (en) | A kind of premixing fluidised form solidified earth | |
| CN105906226B (en) | A kind of preparation method of cement mixing pile compound additive, curing materials and compound additive | |
| CN101581093B (en) | Composite high performance soil cement mortar pile construction method | |
| CN106866065A (en) | A kind of antiseepage corrosion resistant concrete clay hardening slurry and preparation method thereof | |
| CN102155012A (en) | Foundation reinforcing construction method employing powder high-pressure injection grouting | |
| CN104818707A (en) | Method for solidifying and curing dredger sludge and new dredger fill by applying cotton stalks | |
| CN101250872A (en) | Flabbiness ground strengthened cement mortar stirring pile and pile-formation method thereof | |
| CN108396737A (en) | The Soil-cement pile material of Strengthening Wet soil base | |
| CN109024557A (en) | A kind of drill-pouring prefabricated pile and construction method | |
| Kazemain et al. | Review of soft soils stabilization by grouting and | |
| CN1718937A (en) | Technology of non soil taking hole guiding prestressed pipe pile or premade square sunk pile | |
| CN100386483C (en) | High-performance cement soil continuous wall construction method | |
| CN105040683A (en) | Informatization construction method for cement mixing piles | |
| CN107555865A (en) | A kind of anti-seepage reinforcing cream slurry of water resistant stream erosion | |
| CN106939165A (en) | A kind of soil body curing agent and its preparation method and its gunnite method | |
| CN104480932B (en) | The soft base cement mixing pile construction method of saline alkali mud matter | |
| CN103936355A (en) | Underwater dispersion-resistant porous concrete with large particle size and preparation method thereof | |
| CN207259920U (en) | A kind of municipal administration cement flooring laying apparatus | |
| CN106278022A (en) | A kind of formula of foundation treatment engineering mixed serum and preparation method thereof | |
| CN108978648A (en) | A kind of dyke Cement Mixing Pile Construction Technology | |
| JP6755743B2 (en) | Manufacturing method of fluidized soil cement |
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 |