CN2459349Y - Pile end and pile side pressure grouting pipe - Google Patents
Pile end and pile side pressure grouting pipe Download PDFInfo
- Publication number
- CN2459349Y CN2459349Y CN 01201608 CN01201608U CN2459349Y CN 2459349 Y CN2459349 Y CN 2459349Y CN 01201608 CN01201608 CN 01201608 CN 01201608 U CN01201608 U CN 01201608U CN 2459349 Y CN2459349 Y CN 2459349Y
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- pipe
- stake
- madjack
- pile
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Abstract
The utility model relates to a mortar-intrusion pipe used for pressure casting technology after a filling pile is filled with concrete. The main body part of the utility model is a non-metal flexible pressure grouting pipe. The lower end of the flexible mortar-intrusion pipe is provided with a mortar intrusion section for pressure grouting of the pile end; the pipe wall of the mortar intrusion section is drilled with a small pulp outlet; the end of the mortar intrusion section is sealed by a plug, and the mortar intrusion section is wound and packed by an adhesive tape. The mortar-intrusion pipe of the utility model has the advantages of soft material, light weight, good toughness, optional bending and straightening, convenient processing, connection, transportation and installation, and high pressure resistance capacity if buried in the concrete. The utility model is suitable for the pressure casting technology after a bored pile, a drilling expansion mortar intrusion filling pile, a squeezing support disk filling pile, etc. are filled with the concrete. The utility model goes a good way to increase the bearing capacity of pile and decrease the amount of precipitation of the building.
Description
The relevant basic engineering construction annex of the utility model is especially for the madjack pipe of castinplace pile fluid concrete pressured post grouting technology.
In order to improve the bearing capacity of single pile of cast-in-situ bored pile, overcoming Pile end loosened soil is difficult for thoroughly removing and the mud cake around pile impact, slip casing by pressure operation in Construction practices behind the normal employing bored concrete pile cast concrete, the madjack pipe that the slip casting operation adopts steel pipe to make more, such as utility model " pile end pressure mud-feeding and-jacking " (patent announcement CN2203701Y), rational in infrastructure, both can replace the reinforcing bar in the steel reinforcement cage, can doublely do ultrasonic detection pipe again, in engineering, be used widely.But steel pipe processing connects and relative complex is installed, and particularly the general segmentation of overlength steel reinforcement cage is manufactured, and two sections cages need welding in hanging process, and madjack pipe connects inconvenient, and when especially on the steel reinforcement cage many madjack pipes being arranged, the aligning accuracy of two sections cages requires high.
The purpose of this utility model provides a kind of Novel pile end stake side pressure grouting pipe, and price is low, and installation is simple, and dependable performance is easy to use, satisfies the needs of mud jacking technology.
To achieve these goals, the utility model has designed a kind of end stake side pressure grouting pipe, it is characterized in that: the shank of stake end or stake side pressure grouting pipe is nonmetal flexible madjack pipe (soft polyvinyl chloride, PEF), the lower end of flexible madjack pipe is the mud jacking section of pile-end pressure grouting, get out the slurry aperture at mud jacking section tube wall, mud jacking section end seals with stifled, and the mud jacking section swathes with adhesive waterproof tape; The length of mud jacking section is 200-500mm; The outside of mud jacking section is provided with the protection boots; The protection boots can be made of section bar, will protect the sealing of boots upper end with ring taps, open grout outlet at protection boots side-lower or lower end; The upper end of flexible madjack pipe is connected with one section steel pipe by the ring joint, and ring partly is embedded in the pile body inside concrete, elevates above the soil and be connected with ball valve in the steel pipe upper end, and ball valve is connected with grouting pump by high-pressure rubber pipe again; The pile tip grouting pipe can arrange 1 cover or the flexible madjack pipe of 2 covers, in plasma discharge Duan Zaiyong plastic tape or adhesive tape protection and insertion and the madjack pipe protection boots; The periphery of steel reinforcement cage is provided with annular madjack pipe, and the two ends of annular madjack pipe are connected with the lower end of flexible madjack pipe by a three-way connection; The segmentation of annular madjack pipe is bored aperture at tube wall, swathes with adhesive waterproof tape, and the outside is again with plastic tape or adhesive tape wrapping protection.The periphery of annular madjack pipe is provided with a plurality of piston shoes, and piston shoes are welded in the reinforcing cage outside; When the pile tip grouting pipe of setting had two steel pipes inputs from the stake top, flexible madjack pipe can be connected together in a stake bottom position plasma discharge section, and periphery swathes with adhesive waterproof tape equally, and periphery is wrapped up protection with plastic tape or adhesive tape; The mud jacking section is placed in the protection boots.
Be not difficult to find out that the utility model madjack pipe material is soft, in light weight, good toughness, arbitrarily bending is stretched, and is convenient to processing, connects, transportation and installation, be embedded in good pressure-resistant performance in the concrete, be applicable to bored pile, bore diffusion slurry castinplace pile, the slip casing by pressure technology behind the concrete placings such as an extruding dish castinplace pile.To improve bearing capacity of single pile, to reduce settlement of building very effective.
Describe technical characterictic of the present utility model in detail below in conjunction with accompanying drawing embodiment.
Fig. 1 is the utility model stake end stake side grouting pipe schematic diagram
Fig. 2 is the utility model pile tip grouting pipe plasma discharge section enlarged diagram
Fig. 3 is that the utility model pile-end pressure grouting pipe slip casting section is communicated with schematic diagram
The shank of madjack pipe of seeing figures.1.and.2 is non-metal flexible madjack pipe 1, and its material can be selected soft polyvinyl chloride or PEF for use, and this tubing is embedded in the pile body concrete, and voltage endurance capability improves greatly, generally greater than 3Pa.This pipe length can reach 200m, according to requirements can freely intercept very convenient.When putting reinforcing cage, the flexible pipe servo-actuated is good, connects good reliability partly.Flexible madjack pipe 1 top is connected with one section steel pipe 3 of imbedding pile body concrete 1-3m by ring joint 2, elevates above the soil and be connected with ball valve 4 in steel pipe 3 upper ends, and ball valve 4 is communicated with grouting pump 6 by high-pressure rubber pipe 5.The lower end 200-500mm part of flexible madjack pipe 1 is as the mud jacking section 8 of pile end grouting, tube wall in mud jacking section 8 bores some slurry outlets 81, the end seals with stifled 84, and mud jacking section 8 usefulness adhesive waterproof tapes 82 and plastic tape or adhesive tape 83 layerings swathe, and slurry outlet 81 and stifled 84 is wrapped.Then plasma discharge section 8 is inserted with the coil of strip of steel reinforcement cage lower end master's muscle welding and protected in the boots 7, will protect the sealing of boots upper end with ring taps 9.Open grout outlet 10 at protection boots 7 side-lowers or lower end, the protection boots can be made of section bar.The pile tip grouting pipe can arrange the 1-2 root, hangs onto in the hole with steel reinforcement cage behind the pore-forming, and the grout outlet 10 of protection boots is blocked up out by the native slag in bottom, stake hole, and protection boots upper end is sealed by ring taps 9, is full of water in the protection boots 7 during wet trade.Therefore behind the placing of concrete, concrete can not enter in the inner chamber of protection boots 7, and stifled 84 and the slurry outlet 81 that are wrapped play the one way valve effect, and earth can not enter in the madjack pipe yet.And during pressure grouting, cement mortar is easy to a protective layer and stifled washing open, from slurry outlet 81 and the ejection of madjack pipe lower end, and discharges by the grout outlet 10 of protection boots 7.Be not difficult to find out a structure of side madjack pipe by Fig. 1.Stake side ring shape madjack pipe 12 is arranged in the reinforcing cage outside, and segmentation is bored slurry outlet at hole wall, swathes with adhesive waterproof tape and plastic tape layering.Annular madjack pipe 12 two ends link to each other with flexible madjack pipe 3 through three-way connection, and superstructure is with the pile tip grouting pipe.Annular madjack pipe 12 passes from the protection hole of centering piston shoes 13.Centering piston shoes 13 are welded in reinforcing cage periphery 3-5, and circumference uniform distribution guarantees the gap of reinforcing cage and stake hole hole wall, hinder in order to avoid annular madjack pipe 12 squeezed when putting reinforcing cage.
Can also go out the another kind of version of pile tip grouting section by Fig. 3.When the pile tip grouting pipe that arranges had two, the plasma discharge section of two flexible madjack pipes can be connected together, and in other words the flexible madjack pipe plasma discharge section that is actually position, root hole bottom takes the shape of the letter U, and two ends are connected with steel pipe 3 respectively on top.The plasma discharge section protects boots 7 ' to make with steel pipe or shaped steel with the 7 ' protection of protection boots, takes the shape of the letter U, and both sides and the welding of steel reinforcement cage master muscle, two entrances of upper end plasma discharge section should seal, and U-shaped downside shape is identical with vertical section shape at the bottom of the stake hole, and establishes grout outlet.The effect of protection boots 7 ' is when promoting steel reinforcement cage and install reinforcing cage, and protection plasma discharge section is not subjected to hurt.Another effect is after the plasma discharge section is put at the bottom of the hole, and the protection boots cover the plasma discharge section, forms a seal cavity with the hole substratum, and concrete can not lived the plasma discharge section admittedly, so that cement mortar is discharged smoothly during mud jacking.
The utility model can be used for general castinplace pile, and many cones are protected castinplace piles, can improve the bearing capacity of engineering piles in the mud jacking technology behind the concrete perfusions such as squeeze and expansion multi-supported plate castinplace pile, reduces the settling amount of building.
Claims (10)
1, a kind of end stake side madjack pipe, it is characterized in that shank is nonmetal flexible madjack pipe, the lower end of flexible madjack pipe is the mud jacking section of pile-end pressure grouting, gets out the slurry aperture at mud jacking section tube wall, mud jacking section end seals with stifled, and the mud jacking section swathes with adhesive waterproof tape.
2, stake end stake side pressure grouting pipe according to claim 1, the length that it is characterized in that the mud jacking section is 200-500mm.
3, stake end stake side pressure grouting pipe according to claim 1 and 2 is characterized in that the outside of mud jacking section is provided with the protection boots.
4, stake end stake side pressure grouting pipe according to claim 3 is characterized in that protecting boots to make of section bar, will protect the sealing of boots upper end with ring taps, opens grout outlet at protection boots side-lower or lower end.
5, stake end stake side pressure grouting pipe according to claim 1, the upper end that it is characterized in that flexible madjack pipe is connected with one section steel pipe by the ring joint, ring partly is embedded in the pile body inside concrete, elevates above the soil and be connected with ball valve in the steel pipe upper end, and ball valve is connected with grouting pump by high-pressure rubber pipe again.
6, stake end stake side pressure grouting pipe according to claim 1 is characterized in that arranging 1 cover or the flexible madjack pipe of 2 covers, and plasma discharge Duan Zaiyong plastic tape or adhesive tape protection are also inserted in the madjack pipe protection boots.
7, stake end stake side pressure grouting pipe according to claim 1 is characterized in that the steel reinforcement cage periphery is provided with annular madjack pipe, and the two ends of annular madjack pipe are connected with the lower end of flexible madjack pipe by a three-way connection.
8, a stake end stake side pressure grouting pipe according to claim 7 is characterized in that annular madjack pipe segmentation bores aperture at tube wall, swathes with adhesive waterproof tape, and the outside is again with plastic tape or adhesive tape wrapping protection.
9, according to claim 7 or 8 described stake end stake side madjack pipes, it is characterized in that the periphery of annular madjack pipe is provided with a plurality of piston shoes, piston shoes are welded in the reinforcing cage outside.
10, stake end stake side pressure grouting pipe according to claim 1; there are two steel pipe inputs the upper end that it is characterized in that flexible madjack pipe; flexible madjack pipe can be connected together in stake bottom position plasma discharge section; periphery swathes with adhesive waterproof tape equally; periphery is protected with plastic tape or adhesive tape wrapping, and the mud jacking section is placed in the protection boots.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01201608 CN2459349Y (en) | 2001-01-18 | 2001-01-18 | Pile end and pile side pressure grouting pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 01201608 CN2459349Y (en) | 2001-01-18 | 2001-01-18 | Pile end and pile side pressure grouting pipe |
Publications (1)
Publication Number | Publication Date |
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CN2459349Y true CN2459349Y (en) | 2001-11-14 |
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ID=33623596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 01201608 Expired - Fee Related CN2459349Y (en) | 2001-01-18 | 2001-01-18 | Pile end and pile side pressure grouting pipe |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102505847A (en) * | 2011-09-29 | 2012-06-20 | 武汉劲野科技有限公司 | Mud jacking pipe device |
CN103184737A (en) * | 2011-12-28 | 2013-07-03 | 上海市基础工程有限公司 | Grouting machine for post grouting under embedded rock geological condition |
CN104631452A (en) * | 2015-01-14 | 2015-05-20 | 刘林松 | Device for regulating and controlling contact and interaction between pile and earth |
CN105756066A (en) * | 2016-04-22 | 2016-07-13 | 江苏巨鑫石油钢管有限公司 | Grouting system used for wharf and bridge piling steel pipe and processing technology thereof |
CN113756736A (en) * | 2021-08-30 | 2021-12-07 | 南京东土建设科技有限公司 | Pile foundation post-grouting system based on drilling slag recycling and construction method |
-
2001
- 2001-01-18 CN CN 01201608 patent/CN2459349Y/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102505847A (en) * | 2011-09-29 | 2012-06-20 | 武汉劲野科技有限公司 | Mud jacking pipe device |
CN102505847B (en) * | 2011-09-29 | 2013-10-02 | 武汉劲野科技有限公司 | Mud jacking pipe device |
CN103184737A (en) * | 2011-12-28 | 2013-07-03 | 上海市基础工程有限公司 | Grouting machine for post grouting under embedded rock geological condition |
CN104631452A (en) * | 2015-01-14 | 2015-05-20 | 刘林松 | Device for regulating and controlling contact and interaction between pile and earth |
CN105756066A (en) * | 2016-04-22 | 2016-07-13 | 江苏巨鑫石油钢管有限公司 | Grouting system used for wharf and bridge piling steel pipe and processing technology thereof |
CN113756736A (en) * | 2021-08-30 | 2021-12-07 | 南京东土建设科技有限公司 | Pile foundation post-grouting system based on drilling slag recycling and construction method |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |