CN111636415A - Multi-functional intelligent response precast pile - Google Patents
Multi-functional intelligent response precast pile Download PDFInfo
- Publication number
- CN111636415A CN111636415A CN202010515578.6A CN202010515578A CN111636415A CN 111636415 A CN111636415 A CN 111636415A CN 202010515578 A CN202010515578 A CN 202010515578A CN 111636415 A CN111636415 A CN 111636415A
- Authority
- CN
- China
- Prior art keywords
- pile
- soil
- wall
- steel pipe
- precast
- 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.)
- Withdrawn
Links
Images
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
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
-
- 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
- E02D5/48—Piles varying in construction along their length, i.e. along the body between head and shoe, e.g. made of different materials along their length
-
- 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
- E02D5/62—Compacting the soil at the footing or in or along a casing by forcing cement or like material through tubes
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Soil Sciences (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a multifunctional intelligent induction precast pile, which comprises a precast pile and an intelligent induction system. Vertical steel pipes are pre-buried in the pile wall of the precast pile and used as a through-length steel bar replacement, a grouting channel, a measurement induction channel and a data transmission channel, and a plurality of transverse and oblique steel pipes are pre-buried in the pile wall and used as a drainage exhaust hole, a grouting inlet and an outlet. The intelligent sensing system can measure, transmit, receive, process and display various data, and can intelligently adjust the precast pile bottom load box. The invention can purposefully solve the difficult construction problems of precast piles in poor soil qualities such as collapsible loess, liquefied sandy soil, soft soil with high water content, frozen soil and the like, and ensure the construction quality.
Description
Technical Field
The invention relates to a multifunctional intelligent induction precast pile.
Background
The precast pile is prefabricated in a factory, is transported to a site to be driven into the soil, has high requirements on soil property, is difficult to construct by the prior art when encountering unfavorable soil qualities such as collapsible loess, liquefied sandy soil, high-water-content soft soil, frozen soil and the like, and has poor bearing effect.
Disclosure of Invention
The invention aims to provide a multifunctional intelligent induction precast pile which is suitable for various soil qualities and has good construction quality.
The technical solution of the invention is as follows:
the utility model provides a multi-functional intelligent response precast pile, characterized by: the system comprises a precast pile and an intelligent induction system; the precast pile is a cavity reinforced concrete pile which is cast in advance, a plurality of transverse and/or oblique steel pipes are pre-embedded in the pile wall, and at least part of the transverse and/or oblique steel pipes independently penetrate from the outer side of the wall to the inner side of the wall to serve as drainage and exhaust holes;
the intelligent induction system consists of a measurement induction system and an intelligent processing system, wherein the measurement induction system consists of one or more of a steel bar stress meter, an acoustic measurement system, an electric logging system, an electric heating system with a thermometer, a nuclear density/humidity meter, a fiber bragg grating, a three-way force measuring instrument and a load box; the intelligent processing system can receive, process and display various data and can intelligently adjust the precast pile bottom load box. The device installed in the ground device and the vertical steel pipe and the pile body and the pile bottom device are used for jointly measuring, sensing and uploading one or more items of stress strain, slurry temperature, soil mass density around the pile, humidity, pH value and reinforcement body strength of the pile body and the pile bottom.
The transverse and/or oblique steel pipe is arranged at least one way on the lower half part of the pile body, and the rest of the transverse and/or oblique steel pipe is arranged at any position of the pile body, the middle part and the lower part in any number.
One or more pile tops arranged at intervals are embedded in the pile wall to the pile bottom through-length vertical steel pipes, the diameter of each vertical steel pipe is smaller than the wall thickness, the inner side of each vertical steel pipe is smooth, and the outer wall of each vertical steel pipe is provided with threads and serves as a through-length steel bar replacement channel, a grouting channel, a measurement induction channel and/or a data transmission channel.
Part of transverse and/or oblique steel pipes are communicated to the vertical steel pipe from the outer side of the wall and are used as a grouting inlet and/or outlet; the transverse and/or oblique steel pipes are respectively arranged at the position close to the pile top and the position close to the pile bottom, and the rest steel pipes can be arranged at any position of the upper part, the middle part and the lower part of the pile body in any number and serve as additional grouting outlets.
The cross section of the pile body is provided with at least one protruding structure which protrudes 1-5 cm from the normal pile body; the protruding device is one or more of a structure with a protruding pile side concrete, a protruding pile side annular steel plate and a protruding pile bottom; the pile side concrete bulge and the pile side annular steel plate bulge are arranged at least at one position of the lower half part of the pile body, and the rest parts can be arranged at any position of the upper part, the middle part and the lower part of the pile body in any number; the pile bottom protruding structure is a steel plate or a load box which has a cross-sectional area slightly larger than that of the pile body and is tightly attached to the pile bottom. And when the bearing capacity requirement of the pile foundation is lower, a steel plate is adopted, and when the bearing capacity requirement is higher, a load box is adopted.
During construction, the pipe pile is vertically driven into the soil by adopting a conventional static pressure or hammering method; because water pressure and air pressure exist in the soil, and the operation of driving the pile is added to compress the surrounding soil body, the oblique steel pipe and the transverse steel pipe penetrating from the outer side of the wall to the inner side of the wall form a drainage and exhaust channel, water and air enter the cavity in the pile through the oblique steel pipe and the transverse steel pipe under the action of pressure, and at the moment, the water in the cavity is pumped out by a water pump on the ground to accelerate the process; because the protruding structure enters the soil firstly, a gap is formed between the pile body and the soil, the friction of the pile body is reduced, and the driving difficulty is also reduced; during or within hours after the driving process, slurry and gas are pressurized and injected into the gap through the steel pipe in the wall, and at the moment, due to the pressure, the slurry and the gas are discharged and replace the holes and water contained in the soil body around the pile to permeate into the soil body around the reinforced pile; after several days, the slurry in the gaps and the reinforced soil around the pile are solidified, and the precast pile, the thin reinforced layer outside the pile wall and the reinforced soil around the pile are tightly connected to form the composite pile; during construction and within tens of days after construction is finished, the measurement sensing system continuously measures and uploads various data, the data intelligent processing system automatically analyzes various uploaded data, the change of the whole condition of a foundation along with time is displayed, the pressure of a pile bottom load box reverse thrust pile body can be comprehensively regulated, and the total settlement and the uneven settlement of a field are reduced.
When the slurry and the gas are injected under pressure, the slurry is one or more of pure water, slurry, cement paste, alkali liquor, water glass solution and calcium chloride solution; the gas is one or a mixture of more of high-temperature water vapor, carbon dioxide and air.
The invention discharges water vapor in foundation soil through the oblique steel pipe and the transverse steel pipe which are arranged outside the wall and run through the arm, a gap between the pile wall and the soil is manufactured through the pile side or the pile bottom projecting device, various slurries and gases are injected into the gap and the surrounding soil body through the vertical steel pipe to process the soil with different properties, various data are continuously measured, uploaded, processed and displayed through the intelligent induction system, and the pile bottom load box can be automatically adjusted, thereby ensuring the construction quality.
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
Example 1:
if the site foundation soil to be constructed is soft soil with high water content, the following multifunctional intelligent sensing precast pile and the construction method thereof are adopted.
The multifunctional intelligent induction precast pile comprises a precast pile and an intelligent induction system. The precast pile is a cavity reinforced concrete pile which is cast in advance in a factory and has the length of 12m, the cross section of the pile body 1 is a circular ring, the outer diameter is 600mm, the wall thickness is 130mm, and concrete circular rings which protrude out of the normal pile body by 3cm and have the upper length and the lower length of 3cm are arranged on the pile body every 2 m. A through-length vertical steel pipe 2 is pre-buried in the pile wall, the diameter of the vertical steel pipe is 30mm, the material strength of the vertical steel pipe is not lower than that of a through-length steel bar of the precast pile, the inner side of the vertical steel pipe is smooth, and the outer wall of the vertical steel pipe is provided with threads and serves as a through-length steel bar substitution channel, a grouting channel, a measurement induction channel and a data transmission channel. A transverse steel pipe 5 which independently penetrates from the outer side of the wall to the inner side of the wall is embedded in the pile wall 5m away from the pile bottom and serves as a drainage and exhaust hole; arranging a slant steel pipe 3 which is communicated to the vertical steel pipe from the outer side of the wall at the position close to the pile top and the position close to the pile bottom respectively and used as a grouting inlet and a grouting outlet; the intelligent sensing system consists of a measurement sensing system and an intelligent processing system, the measurement sensing system consists of a steel bar stress meter and an acoustic measurement system, and the device arranged in the ground device, the vertical steel pipe and the pile body pile bottom device are used for measuring and sensing the stress strain of the pile body, the density of the soil body around the pile and the strength of the reinforcing body together and uploading; the intelligent processing system can receive, process and display various data.
Or the measurement induction system consists of an electric logging system, a three-way dynamometer and a load box 6, and the device arranged in the ground device, the vertical steel pipe and the pile bottom load box are used for measuring induction and uploading the density/humidity of the soil body around the pile, the liquefaction degree and the reinforcement strength.
And a transverse steel pipe 4 which is communicated with the vertical steel pipe from the outer side of the wall can be respectively arranged at the position close to the bottom of the pile, 5m away from the top of the pile and 5m away from the bottom of the pile to be used as a grouting outlet.
When in construction, the pipe pile is vertically driven into the soil by adopting a static pressure method; because water pressure and air pressure exist in the soil, and the operation of driving the pile is added to compress the surrounding soil body, the transverse steel pipe penetrating from the outer side of the wall to the inner side of the wall becomes a drainage and exhaust channel, water and air enter the cavity in the pile through the transverse steel pipe under the action of pressure, and at the moment, the water in the cavity is pumped out by a water pump on the ground to accelerate the process; because the protruding device enters the soil firstly, a gap is formed between the pile body and the soil, the friction of the pile body is reduced, and the driving difficulty is also reduced; during or within hours after the driving process, cement paste is injected into the gap under pressure through the steel pipe in the wall, and at the moment, due to the pressure, the cement paste can be discharged and replace the pores and water contained in the soil body around the pile to permeate into the soil body around the reinforced pile; after several days, the slurry in the gaps and the reinforced soil around the pile are solidified, and the precast pile, the thin reinforced layer outside the pile wall and the reinforced soil around the pile are tightly connected to form the composite pile; during construction and within dozens of days after construction is finished, the measurement induction system continuously measures and uploads various data, the intelligent data processing system automatically analyzes various uploaded data, and the change of the whole condition of the foundation along with time is displayed.
Example 2:
if the site foundation soil to be constructed is collapsible loess, the following multifunctional intelligent sensing precast pile and the construction method thereof are adopted.
The multifunctional intelligent induction precast pile comprises a precast pile and an intelligent induction system. The precast pile is a cavity reinforced concrete pile which is cast in advance in a factory and has the length of 15m, the cross section of the pile body is a circular ring, the outer diameter is 500mm, the wall thickness is 110mm, the pile top is unchanged to the pile bottom, and a steel plate with the cross section area slightly larger than the pile body is arranged close to the pile bottom. A through-length vertical steel pipe is pre-buried in the pile wall, the diameter of the vertical steel pipe is 30mm, the material strength of the vertical steel pipe is not lower than that of a through-length steel bar of the precast pile, the inner side of the vertical steel pipe is smooth, and the outer wall of the vertical steel pipe is provided with threads and is used as a through-length steel bar substitution channel, a grouting channel, a measurement induction channel and a data transmission channel; arranging an inclined steel pipe communicated to the vertical steel pipe from the outer side of the wall at a position close to the pile top as a grouting inlet; a horizontal steel pipe communicated to the vertical steel pipe from the outer side of the wall is respectively arranged at the position close to the bottom of the pile, 5m away from the top of the pile and 5m away from the bottom of the pile to be used as a grouting outlet; the intelligent sensing system consists of a measuring sensing system and an intelligent processing system, wherein the measuring sensing system consists of a nuclear density/humidity meter and a fiber bragg grating, and the density/humidity, the pH value and the reinforced body strength of soil around the pile are measured, sensed and uploaded through a ground device and devices installed in the vertical steel pipe; the intelligent processing system can receive, process and display various data.
During construction, the tubular pile is vertically driven into the soil by adopting a hammering method; because the steel plate with slightly larger pile bottom enters the soil first, a gap is formed between the pile body and the soil, the friction of the pile body is reduced, and the driving difficulty is also reduced; during or after the driving process, injecting one or more mixed solutions of alkali liquor, water glass solution and calcium chloride solution into the gap through the steel pipe in the wall under pressure, and simultaneously injecting carbon dioxide under pressure, wherein the slurry permeates into soil around the reinforced pile under pressure; after several days, the slurry in the gaps and the reinforced soil around the pile are solidified, and the precast pile, the thin reinforced layer outside the pile wall and the reinforced soil around the pile are tightly connected to form the composite pile; during construction and within dozens of days after construction is finished, the measurement induction system continuously measures and uploads various data, the intelligent data processing system automatically analyzes various uploaded data, and the change of the whole condition of the foundation along with time is displayed.
Example 3:
if the site foundation soil to be constructed is liquefied sandy soil, the following multifunctional intelligent sensing precast pile and a construction method thereof are adopted.
The multifunctional intelligent induction precast pile comprises a precast pile and an intelligent induction system. The precast pile is a cavity reinforced concrete pile which is cast in advance in a factory, the length of the precast pile is 15m, the cross section of a pile body is a circular ring, the outer diameter of the pile body is 800mm, the wall thickness of the pile body is 130mm, the pile body is unchanged from the pile top to the pile bottom, and a load box with the cross section area slightly larger than the pile body is arranged close to the pile bottom. Two through-length vertical steel pipes are embedded in the pile wall in an opposite mode, the diameter of each vertical steel pipe is 40mm, the material strength of each vertical steel pipe is not lower than that of a through-length steel bar of the precast pile, the inner side of each vertical steel pipe is smooth, and the outer wall of each vertical steel pipe is provided with threads and serves as a through-length steel bar substitution channel, a grouting channel, a measurement induction channel and a data transmission channel; two independent transverse steel pipes penetrating from the outer side of the wall to the inner side of the arm are embedded in the pile wall 5m away from the pile bottom and are used as drainage and exhaust holes; arranging an inclined steel pipe communicated to the vertical steel pipe from the outer side of the wall at a position close to the pile top as a grouting inlet; a horizontal steel pipe communicated to the vertical steel pipe from the outer side of the wall is respectively arranged at the position close to the bottom of the pile, 5m away from the top of the pile and 5m away from the bottom of the pile to be used as a grouting outlet; the intelligent induction system consists of a measurement induction system and an intelligent processing system, wherein the measurement induction system consists of an electric logging system, a three-way dynamometer and a load box, and the device arranged in the ground device, the vertical steel pipe and the pile bottom load box are used for measuring induction and uploading the density/humidity, the liquefaction degree and the reinforcement body strength of the soil body around the pile; the intelligent processing system can receive, process and display various data and can intelligently adjust the precast pile bottom load box.
During construction, the tubular pile is vertically driven into the soil by adopting a hammering method; because the load box with slightly large pile bottom enters the soil first, a gap is formed between the pile body and the soil, the friction of the pile body is reduced, and the driving difficulty is also reduced; during or within hours after the driving process, injecting viscous slurry into the gap by pressurizing through the steel pipe in the wall, and injecting air by pressurizing, wherein at the moment, due to the pressure, viscous soil particles permeate into the sand around the pile, and the proportion of the viscous particles in the sand is increased, so that the liquification is naturally eliminated; during construction and within tens of days after construction is finished, the measurement sensing system continuously measures and uploads various data, the intelligent data processing system automatically analyzes various uploaded data, changes of the whole condition of the foundation along with time are displayed, the system automatically finds out piles with large stress and piles with large settlement, pile bottom load boxes of the piles are started, pile bodies are reversely pushed, and overall settlement and uneven settlement of the site are reduced.
Example 4:
if the site foundation soil to be constructed is frozen soil, the following multifunctional intelligent sensing precast pile and the construction method thereof are adopted.
The multifunctional intelligent induction precast pile comprises a precast pile and an intelligent induction system. The precast pile is a cavity reinforced concrete pile which is cast in advance in a factory and has the length of 12m, the cross section of a pile body is a square ring, the side length is 500mm, the wall thickness is 110mm, the pile top is unchanged to the pile bottom, and a steel plate with the cross section area slightly larger than the pile body is arranged close to the pile bottom. Three through-length vertical steel pipes are embedded in the pile wall at equal intervals, the diameter of each vertical steel pipe is 30mm, the material strength of each vertical steel pipe is not lower than that of a through-length steel bar of the precast pile, the inner side of each vertical steel pipe is smooth, and the outer wall of each vertical steel pipe is provided with threads and serves as a through-length steel bar substitution channel, a grouting channel, a measurement induction channel and a data transmission channel; three independent transverse steel pipes penetrating from the outer side of the wall to the inner side of the arm are embedded in the pile wall 2m away from the pile bottom and serve as drainage and exhaust holes; arranging an inclined steel pipe communicated to the vertical steel pipe from the outer side of the wall at a position close to the pile top as a grouting inlet; arranging one transverse steel pipe communicated to the vertical steel pipe from the outer side of the wall as a grouting outlet on the pile body at intervals of 2 m; the intelligent sensing system consists of a measuring sensing system and an intelligent processing system, wherein the measuring sensing system consists of an electric heating system with a thermometer, a nuclear density/humidity meter and a fiber bragg grating, and the density/humidity/temperature of soil mass around the pile is measured, sensed and uploaded through a ground device and a device installed in the vertical steel pipe; the intelligent processing system can receive, process and display various data.
During construction, the tubular pile is vertically driven into the soil by adopting a hammering method; because the steel plate with slightly larger pile bottom enters the soil first, a gap is formed between the pile body and the soil, the friction of the pile body is reduced, and the driving difficulty is also reduced; during or after the driving process, injecting high-temperature pure water and water vapor into the gap under pressure through the steel pipe in the wall within hours, wherein the water vapor permeates and melts frozen soil around the pile due to the pressure, the transverse steel pipe penetrating from the outer side of the wall to the inner side of the arm becomes a water and gas discharging channel, the cooled water and gas enter the cavity in the pile through the transverse steel pipe, the water in the cavity is pumped out by a water pump on the ground, and then the high-temperature pure water and the water vapor are continuously injected under pressure; and continuously circulating until the intelligent system automatically judges that the frozen soil is completely treated, and displaying the change of the whole condition of the foundation along with time.
Claims (8)
1. The utility model provides a multi-functional intelligent response precast pile, characterized by: the system comprises a precast pile and an intelligent induction system; the precast pile is a cavity reinforced concrete pile which is cast in advance, a plurality of transverse and/or oblique steel pipes are pre-embedded in the pile wall, and at least part of the transverse and/or oblique steel pipes independently penetrate from the outer side of the wall to the inner side of the wall to serve as drainage and exhaust holes;
the intelligent induction system consists of a measurement induction system and an intelligent processing system, wherein the measurement induction system consists of one or more of a steel bar stress meter, an acoustic measurement system, an electric logging system, an electric heating system with a thermometer, a nuclear density/humidity meter, a fiber bragg grating, a three-way force measuring instrument and a load box; the intelligent processing system can receive, process and display various data and can intelligently adjust the precast pile bottom load box.
2. The multifunctional intelligent induction precast pile according to claim 1, which is characterized in that: the transverse and/or oblique steel pipe is arranged at least one way on the lower half part of the pile body, and the rest of the transverse and/or oblique steel pipe is arranged at any position of the pile body, the middle part and the lower part in any number.
3. The multifunctional intelligent induction precast pile according to claim 1, which is characterized in that: one or more pile tops arranged at intervals are embedded in the pile wall to the pile bottom through-length vertical steel pipes, the diameter of each vertical steel pipe is smaller than the wall thickness, and the vertical steel pipes are used as through-length steel bar substitutes, grouting channels, measurement induction channels and/or data transmission channels.
4. The multifunctional intelligent induction precast pile according to claim 3, characterized in that: the inner side is smooth, and the outer wall is provided with threads.
5. The multifunctional intelligent induction precast pile according to claim 3, characterized in that: part of transverse and/or oblique steel pipes are communicated to the vertical steel pipe from the outer side of the wall and are used as a grouting inlet and/or outlet; the transverse and/or oblique steel pipes are respectively arranged at the position close to the pile top and the position close to the pile bottom, and the rest steel pipes can be arranged at any position of the upper part, the middle part and the lower part of the pile body in any number and serve as additional grouting outlets.
6. The multifunctional intelligent induction precast pile according to the claim 1, 2, 3, 4 or 5, characterized in that: the cross section of the pile body is provided with at least one protruding structure which protrudes 1-5 cm from the normal pile body; the protruding device is one or more of a structure with a protruding pile side concrete, a protruding pile side annular steel plate and a protruding pile bottom; the pile side concrete bulge and the pile side annular steel plate bulge are arranged at least at one position of the lower half part of the pile body, and the rest parts can be arranged at any position of the upper part, the middle part and the lower part of the pile body in any number; the pile bottom protruding structure is a steel plate or a load box which has a cross-sectional area slightly larger than that of the pile body and is tightly attached to the pile bottom.
7. The multifunctional intelligent induction precast pile according to claim 6, which is characterized in that: during construction, the pipe pile is vertically driven into the soil by adopting a conventional static pressure or hammering method; because water pressure and air pressure exist in the soil, and the operation of driving the pile is added to compress the surrounding soil body, the oblique steel pipe and the transverse steel pipe penetrating from the outer side of the wall to the inner side of the wall form a drainage and exhaust channel, water and air enter the cavity in the pile through the oblique steel pipe and the transverse steel pipe under the action of pressure, and at the moment, the water in the cavity is pumped out by a water pump on the ground to accelerate the process; because the protruding structure enters the soil firstly, a gap is formed between the pile body and the soil, the friction of the pile body is reduced, and the driving difficulty is also reduced; during or within hours after the driving process, slurry and gas are pressurized and injected into the gap through the steel pipe in the wall, and at the moment, due to the pressure, the slurry and the gas are discharged and replace the holes and water contained in the soil body around the pile to permeate into the soil body around the reinforced pile; after several days, the slurry in the gaps and the reinforced soil around the pile are solidified, and the precast pile, the thin reinforced layer outside the pile wall and the reinforced soil around the pile are tightly connected to form the composite pile; during construction and within tens of days after construction is finished, the measurement sensing system continuously measures and uploads various data, the data intelligent processing system automatically analyzes various uploaded data, the change of the whole condition of a foundation along with time is displayed, the pressure of a pile bottom load box reverse thrust pile body can be comprehensively regulated, and the total settlement and the uneven settlement of a field are reduced.
8. The multifunctional intelligent induction precast pile according to claim 7, characterized in that: when the slurry and the gas are injected under pressure, the slurry is one or more of pure water, slurry, cement paste, alkali liquor, water glass solution and calcium chloride solution; the gas is one or a mixture of more of high-temperature water vapor, carbon dioxide and air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010515578.6A CN111636415A (en) | 2020-06-09 | 2020-06-09 | Multi-functional intelligent response precast pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010515578.6A CN111636415A (en) | 2020-06-09 | 2020-06-09 | Multi-functional intelligent response precast pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111636415A true CN111636415A (en) | 2020-09-08 |
Family
ID=72326784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010515578.6A Withdrawn CN111636415A (en) | 2020-06-09 | 2020-06-09 | Multi-functional intelligent response precast pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111636415A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474359A (en) * | 2022-03-24 | 2022-05-13 | 淮阴工学院 | Preparation method of precast concrete member |
| CN116201103A (en) * | 2023-03-27 | 2023-06-02 | 中国水利水电第三工程局有限公司 | Construction method for pile plate wall of rotary drilling bored pile |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205205697U (en) * | 2015-11-19 | 2016-05-04 | 四川交投建设工程股份有限公司 | Keep on abutment stake platform combined type reinforced structure |
| CN207567757U (en) * | 2017-12-06 | 2018-07-03 | 山东科技大学 | A kind of novel prefabricated steel-pipe pile |
| CN208023563U (en) * | 2018-03-31 | 2018-10-30 | 陈茜 | A kind of pile pile with supporting and drain function |
| CN109113049A (en) * | 2018-08-28 | 2019-01-01 | 沙焕焕 | Prefabricated pile and its construction method is adjusted in stress deformation after work |
-
2020
- 2020-06-09 CN CN202010515578.6A patent/CN111636415A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205205697U (en) * | 2015-11-19 | 2016-05-04 | 四川交投建设工程股份有限公司 | Keep on abutment stake platform combined type reinforced structure |
| CN207567757U (en) * | 2017-12-06 | 2018-07-03 | 山东科技大学 | A kind of novel prefabricated steel-pipe pile |
| CN208023563U (en) * | 2018-03-31 | 2018-10-30 | 陈茜 | A kind of pile pile with supporting and drain function |
| CN109113049A (en) * | 2018-08-28 | 2019-01-01 | 沙焕焕 | Prefabricated pile and its construction method is adjusted in stress deformation after work |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474359A (en) * | 2022-03-24 | 2022-05-13 | 淮阴工学院 | Preparation method of precast concrete member |
| CN114474359B (en) * | 2022-03-24 | 2023-10-20 | 淮阴工学院 | Preparation method of precast concrete member |
| CN116201103A (en) * | 2023-03-27 | 2023-06-02 | 中国水利水电第三工程局有限公司 | Construction method for pile plate wall of rotary drilling bored pile |
| CN116201103B (en) * | 2023-03-27 | 2023-12-05 | 中国水利水电第三工程局有限公司 | Construction method for pile plate wall of rotary drilling bored pile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111636415A (en) | Multi-functional intelligent response precast pile | |
| CN100535267C (en) | Simulation test system for underground construction in city | |
| CN108842791B (en) | Detachable load pile anchor multistage supporting structure and construction method | |
| CN115853033A (en) | Static load experiment construction process, device and detection method based on self-balancing technology | |
| CN105804117B (en) | Mountain highway tunnel cap excavation method soil arch loose tool plate Tiebar structure and its construction method | |
| CN107237249A (en) | Prefabricated assembled box type arch rib and damage detection method thereof | |
| CN111505237A (en) | Residual coal re-mining broken coal rock mass grouting modification test device and test method | |
| CN111691394A (en) | Pile end soil body reinforcing system | |
| CN110886311A (en) | Large-volume assembly type ground tire mold | |
| CN202247938U (en) | Wedge-shaped foundation bolt preformed hole core formwork device | |
| CN101418575A (en) | L shaped retaining wall, construction method and detection method thereof | |
| CN201021495Y (en) | Vibration machine for plasm injection construction of sand earth foundation | |
| CN115949099B (en) | Offshore wind turbine foundation scouring disaster grouting protection model test device and test method | |
| CN210136139U (en) | Earthquake resistance test equipment for basalt fiber reinforced composite material reinforced masonry wall | |
| CN109113049B (en) | Prefabricated pile with adjustable post-construction stress deformation and construction method thereof | |
| CN114991812B (en) | Segment tunnel longitudinal and transverse servo type prestress automatic control system | |
| CN115478568A (en) | Experimental apparatus is cuted to drainage stake soil contact surface | |
| CN105908738B (en) | Heavy-gauge steel and the hollow friction pile of Combined concrete and its construction method | |
| AU2021105487A4 (en) | Novel Granular piles installation process in soft clays with the calculation using design Charts | |
| CN114720295A (en) | Model test device and method for simulating structure-soil interaction under underground water level change and underground structure movement | |
| CN201339188Y (en) | Prefabricated floral tubular pile | |
| Ksaibati et al. | Medium-scale experimental study of pile setup | |
| CN206956724U (en) | A kind of anti-float roof bolt stump | |
| CN101768962B (en) | Precast perforated pipe | |
| CN217203636U (en) | Connecting node structure of steel-plastic composite convex node bidirectional geogrid and abutment |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200908 |
|
| WW01 | Invention patent application withdrawn after publication |