CN209162840U - A kind of more anchor disk jet mixing stiffening piles - Google Patents

A kind of more anchor disk jet mixing stiffening piles Download PDF

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Publication number
CN209162840U
CN209162840U CN201821445656.4U CN201821445656U CN209162840U CN 209162840 U CN209162840 U CN 209162840U CN 201821445656 U CN201821445656 U CN 201821445656U CN 209162840 U CN209162840 U CN 209162840U
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CN
China
Prior art keywords
pile
stiffening
anchor disk
jet mixing
piles
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.)
Expired - Fee Related
Application number
CN201821445656.4U
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Chinese (zh)
Inventor
赵卫政
胡斌
杨继宗
魏林
王樱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU XINGSHA CONSTRUCTION ENGINEERING GROUP Co Ltd
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JIANGSU XINGSHA CONSTRUCTION ENGINEERING GROUP Co Ltd
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Priority to CN201821445656.4U priority Critical patent/CN209162840U/en
Application granted granted Critical
Publication of CN209162840U publication Critical patent/CN209162840U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to technical field of buildings, in particular a kind of more anchor disk jet mixing stiffening piles, including several cast-in-situ bored piles and several three axes agitating piles, the cast-in-situ bored pile top is equipped with collar tie beam, the collar tie beam is fixedly mounted on three axes agitating pile, and stiffening pile is mounted between the two neighboring cast-in-situ bored pile, dowel is mounted in each stiffening pile, the dowel runs through three axes agitating pile, and dowel includes anchoring pile, the anchoring pile is inserted into stiffening pile, steel strand wires there are two being set inside the anchoring pile, anchor disk is also equipped with inside the stiffening pile, the anchor disk is fixedly connected with the end of anchoring pile.The utility model makes full use of the soil body to mix simultaneously reinforcement by jet mixing with cement slurry and forms stiffening pile, it is oblique to apply anchoring pile, stiffened soil-cement technical application to deep foundation pit support, basement process and underground engineering field of reinforcement, the target that is safe, easy for construction, shortening the construction period and save cost of foundation stabilization and pattern foundation pit supporting structure is realized.

Description

A kind of more anchor disk jet mixing stiffening piles
Technical field
The utility model relates to technical field of buildings, specially a kind of more anchor disk jet mixing stiffening piles.
Background technique
China due to expanding economy, had built a considerable number of skyscraper in recent years, and the basis of skyscraper is buried Deep generally large, embedded depth of foundation increases, to the stability for increasing building and the function for making full use of the underground space, improving building It can be advantageous.But embedded depth of foundation increases and brings many difficulties to construction, especially in City Building dense region, field of constructing Ground is criss-cross adjacent to existing building, road and underground utilities, therefore, the supporting of excavation slope at deep foundation pit construction heat Point and difficulties.
Although supporting construction is the interim retaining structure of construction period, whether its type selecting, calculating and construction are correct, to applying Safety, duration and the economic benefit of work have tremendous influence.Current most of engineerings are still with SMW engineering method fashioned iron soil cement composite stirring A large amount of type steel support is used based on pile constructing process.
To adapt to increasingly competitive construction market, enhance the competitiveness, forming oneself characteristic technique and technology has been It is extremely urgent.In consideration of it, it is proposed that a kind of more anchor disk jet mixing stiffening piles.
Utility model content
The purpose of this utility model is to provide a kind of more anchor disk jet mixing stiffening piles, to solve in above-mentioned background technique The problem of proposition.
To achieve the above object, the utility model provides the following technical solutions:
A kind of more anchor disk jet mixing stiffening piles, including several cast-in-situ bored piles and several three axes agitating piles, the drilling Bored concrete pile top is equipped with collar tie beam, and the collar tie beam is fixedly mounted on three axes agitating pile, and the two neighboring cast-in-situ bored pile Between be mounted on stiffening pile, be mounted on dowel in each stiffening pile, the dowel runs through three axes agitating pile, and dowel Including anchoring pile, the anchoring pile is inserted into stiffening pile, is set inside the anchoring pile there are two steel strand wires, is also pacified inside the stiffening pile Equipped with anchor disk, the anchor disk is fixedly connected with the end of anchoring pile.
As the preferred of the utility model, the diameter of the stiffening pile is not less than 400mm, and stiffening pile is general using 52.5 grades Logical portland cement is made, and wherein cement mixed weight is 25%, the ratio of mud 0.7, and the pressure of jet mixing is 15-25MPa.
As the preferred of the utility model, the advance and retreat number of the jet mixing of the cast-in-situ bored pile increases by two than pile body Secondary, the diameter of cast-in-situ bored pile is 700mm.
As the preferred of the utility model, the steel strand wires use diameter for the prestress wire of 15.2mm, and intensity is 1860 grades, every beam steel strand wires are twisted by 7 steel wires, and are divided into 0.8m outside the stake of steel strand wires stretching stiffening pile, in steel It is locked after applying pretension on the extension of twisted wire, dowel is made to be connected firmly with collar tie beam.
As the preferred of the utility model, inside the steel strand wires insertion stiffening pile, and steel strand wires are inserted into determining for stiffening pile Position error is no more than 30mm, and elevation of bottom error is not more than 20cm, and dowel is located on the center of stiffening pile.
As the preferred of the utility model, the anchoring pile is fixed by cold-extruded platen press and anchor disk.Anchoring pile and anchor disk are total With anchorage is constituted, anchorage uses QVM series anchorage.
Compared with prior art, the utility model has the beneficial effects that
The utility model makes full use of that the soil body and cement slurry are mixed by jet mixing and reinforcement forms stiffening pile, it is oblique can Anchoring pile is applied, stiffened soil-cement technical application to deep foundation pit support, basement process and underground engineering field of reinforcement, realizes ground Base reinforces the target that is safe, easy for construction, shortening the construction period and save cost with pattern foundation pit supporting structure.
Detailed description of the invention
Fig. 1 is the utility model section schematic diagram;
Fig. 2 is the utility model structure drawing;
Fig. 3 is enlarged drawing at A in the utility model Fig. 1;
Fig. 4 is the utility model dowel structural schematic diagram.
In figure: stiffening pile 1, dowel 2, anchoring pile 20, steel strand wires 21, anchor disk 22, cast-in-situ bored pile 3, collar tie beam 4, the stirring of three axis Stake 5.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution:
A kind of more anchor disk jet mixing stiffening piles, including several cast-in-situ bored piles 3 and several three axes agitating piles 5, drilling fill The advance and retreat number for infusing the jet mixing of stake 3 is more secondary than pile body increase, and the diameter of cast-in-situ bored pile 3 is 700mm, in the process water Mud answers uniform mixing, with mixing with the cement slurry of a mix should be finished before initial set, 3 top of cast-in-situ bored pile peace Equipped with collar tie beam 4, the collar tie beam 4 is fixedly mounted on three axes agitating pile 5, and is pacified between the two neighboring cast-in-situ bored pile 3 Equipped with stiffening pile 1, the diameter of stiffening pile 1 is not less than 400mm, and stiffening pile 1 is made of 52.5 grades of ordinary portland cements, Middle cement mixed weight is 25%, the ratio of mud 0.7, and the pressure of jet mixing is 15-25MPa.
Dowel 2 is mounted in each stiffening pile 1, the dowel 2 runs through three axes agitating pile 5, and dowel 2 includes anchor Stake 20, the anchoring pile 20 is inserted into stiffening pile 1, is set inside the anchoring pile 20 there are two steel strand wires 21, steel strand wires 21 use straight Diameter is the prestress wire of 15.2mm, and intensity is 1860 grades, and every beam steel strand wires 21 are twisted by 7 steel wires, and steel twists It is divided into 0.8m outside the stake of the stretching stiffening pile 1 of line 21, is locked after applying pretension on the extension of steel strand wires 21, make dowel 2 are connected firmly with collar tie beam 4, and stiffening pile 1 at least needs maintenance 7 days before this, use high pressure oil to the extension of steel strand wires 21 Pump and 1000KN punching jack carry out tensioning fixation, first primary with the pre- tensioning of 20% tensile load before formal tensioning, then with 50%, 100% tensile load grading tension is kept for 5 minutes under tensile load, is observed after anchor head non-displacement phenomenon again by lock Constant load locking, steel strand wires 21 are inserted into inside stiffening pile 1, and the position error of the insertion stiffening pile 1 of steel strand wires 21 is no more than 30mm, Elevation of bottom error is not more than 20cm.Dowel 2 is located on the center of stiffening pile 1, is also equipped with anchor disk inside the stiffening pile 1 22, the anchor disk 22 is fixedly connected with the end of anchoring pile 20, and anchoring pile 20 is fixed by cold-extruded platen press with anchor disk 22.Anchoring pile 20 Anchorage is collectively formed with anchor disk 22, which uses QVM series anchorage.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Be only the utility model preference, be not intended to limit the utility model, do not departing from the spirit and scope of the utility model Under the premise of, the utility model also has various changes and improvements, these changes and improvements both fall within claimed it is practical In novel range.The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of more anchor disk jet mixing stiffening piles, including several cast-in-situ bored piles (3) and several three axes agitating piles (5), special Sign is: cast-in-situ bored pile (3) top is equipped with collar tie beam (4), and the collar tie beam (4) is fixedly mounted on three axes agitating pile (5) On, and stiffening pile (1) is mounted between the two neighboring cast-in-situ bored pile (3), it is respectively mounted in each stiffening pile (1) Have dowel (2), the dowel (2) runs through three axes agitating pile (5), and dowel (2) includes anchoring pile (20), anchoring pile (20) insertion It in stiffening pile (1), is set inside the anchoring pile (20) there are two steel strand wires (21), the stiffening pile (1) is internal to be also equipped with anchor Disk (22), the anchor disk (22) are fixedly connected with the end of anchoring pile (20).
2. more anchor disk jet mixing stiffening piles according to claim 1, it is characterised in that: the diameter of the stiffening pile (1) Not less than 400mm, and stiffening pile (1) is made of 52.5 grades of ordinary portland cements, and wherein cement mixed weight is 25%, water ash Than being 0.7, the pressure of jet mixing is 15-25MPa.
3. more anchor disk jet mixing stiffening piles according to claim 1, it is characterised in that: the cast-in-situ bored pile (3) The advance and retreat number of jet mixing is more secondary than pile body increase, and the diameter of cast-in-situ bored pile (3) is 700mm.
4. more anchor disk jet mixing stiffening piles according to claim 1, it is characterised in that: the steel strand wires (21) are using straight Diameter is the prestress wire of 15.2mm, and intensity is 1860 grades, and every beam steel strand wires (21) are twisted by 7 steel wires, and steel It is divided into 0.8m outside the stake of twisted wire (21) stretching stiffening pile (1), is locked after applying pretension on the extension of steel strand wires (21) It is fixed, so that dowel (2) is connected firmly with collar tie beam (4).
5. more anchor disk jet mixing stiffening piles according to claim 1, it is characterised in that: steel strand wires (21) insertion adds Strength stake (1) is internal, and the position error of steel strand wires (21) insertion stiffening pile (1) is no more than 30mm, and elevation of bottom error is not more than 20cm, dowel (2) are located on the center of stiffening pile (1).
6. more anchor disk jet mixing stiffening piles according to claim 1, it is characterised in that: the anchoring pile (20) passes through cold-extruded Platen press is fixed with anchor disk (22), and anchoring pile (20) and anchor disk (22) collectively form anchorage, and anchorage uses QVM series anchorage.
CN201821445656.4U 2018-09-05 2018-09-05 A kind of more anchor disk jet mixing stiffening piles Expired - Fee Related CN209162840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821445656.4U CN209162840U (en) 2018-09-05 2018-09-05 A kind of more anchor disk jet mixing stiffening piles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821445656.4U CN209162840U (en) 2018-09-05 2018-09-05 A kind of more anchor disk jet mixing stiffening piles

Publications (1)

Publication Number Publication Date
CN209162840U true CN209162840U (en) 2019-07-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109162281A (en) * 2018-09-05 2019-01-08 江苏兴厦建设工程集团有限公司 A kind of more anchor disk jet mixing stiffening piles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109162281A (en) * 2018-09-05 2019-01-08 江苏兴厦建设工程集团有限公司 A kind of more anchor disk jet mixing stiffening piles

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190726

Termination date: 20200905