CN202298677U - Bending crack disease pile repairing device for prestress pipe pile - Google Patents
Bending crack disease pile repairing device for prestress pipe pile Download PDFInfo
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- CN202298677U CN202298677U CN201120383797XU CN201120383797U CN202298677U CN 202298677 U CN202298677 U CN 202298677U CN 201120383797X U CN201120383797X U CN 201120383797XU CN 201120383797 U CN201120383797 U CN 201120383797U CN 202298677 U CN202298677 U CN 202298677U
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- pile
- disease
- stake
- drill bit
- water outlet
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Abstract
Provided is a bending crack disease pile repairing device for a prestress pipe pile. A drilling tool is arranged in a pile pipe hole of a bending crack disease pile and composed of a drill bit and a drill rod which are in threaded connection with each other to be integrated. The drill bit is cone-shaped, four alloy strips are embedded in the periphery of the drill bit, and an axial central water outlet is arranged on the drill bit. The drill rod is of a hollow structure, the upper end of the drill rod is provided with a water inlet connected with a high-pressure water pipe, four water outlets inclined upwards are arranged in the middle of the drill rod, the diameter of each water outlet is fai 10 mm, and each water outlet is inclined upwards at 45 degrees. The lower portion of each drill rod is provided with an axial water outlet which corresponds to the axial central water outlet of the drill bit, and the diameter of the axial water outlet of the drill rod and the diameter of the axial central water outlet of the drill bit are both fai 8mm. Due to the fact that the device and a method which carry out on-site construction repairing to the bending crack disease pile are adopted, compared with the prior art, the bending crack disease pile repairing device has the advantages of being good in repairing effect, being capable of guaranteeing engineering quality and greatly improving construction efficiency.
Description
Technical field
The utility model relates to a kind of pile foundation of civil construction project, especially relates to a kind of curved disease stake restoration and treatment device that splits of pile for prestressed pipe.
The pile for prestressed pipe that in deep saturated soft clay stratum, is used for pile foundation engineering; Usually because construction wrong or sink to pile for prestressed pipe in the soil because of the weak soil displacement; Make this pile tube cause bending and rupture; Consequent pile for prestressed pipe becomes the curved disease stake of splitting, and this curved essential repairing and treating of disease stake that splits is to recover the original bearing capacity value of this pile for prestressed pipe.
Background technology
At present, construction of buildings on the bury stratum must adopt pile foundation to bear the weight of building; And pile for prestressed pipe is a kind of common stake type in the said pile foundation, and this pile for prestressed pipe generally all adopts batch production production, and it has the advantage that reliable in quality, bearing capacity value are high, pile foundation cost cost is low, piling construction efficient is high; Yet; Along with pile for prestressed pipe extensive use in the pile foundation of soft foundation upper support building weight, usually can occur rupturing because of pile for prestressed pipe in the weak soil displacement generation soil is crooked in this soft soil layer, so the disease stake of in all kinds of engineerings, rupturing through regular meeting's appearance bending in blocks; Original bearing capacity has been lost in this disease stake; And have a strong impact on the safety of said supporting building, thus must it be repaired, to recover its original bearing capacity value.
On the other hand; The ability that said pile for prestressed pipe shortcoming is anti-side direction horizontal force is relatively poor; Therefore in the excavating foundation trench construction, stack reasons such as the earthwork and bracing of foundation pit inefficacy because of the earthwork discrepancy in elevation or on the foundation trench limit, the place weak soil will produce bigger displacement; And it is crooked and rupture to cause prestressed pipe displacement in this weak soil to produce said pile for prestressed pipe thus, this bending and the pile for prestressed pipe that ruptures becomes the disease stake of the original supporting capacity of forfeiture; This disease stake can bring great harm to said building.
To the disease stake of the original supporting capacity of above-mentioned forfeiture, existing is to adopt the strange land to repair or upgrade the method for pile for prestressed pipe, and repairing efficiency is longer like this, and efficiency of construction is lower again.
The utility model content
The utility model technical problem to be solved is exactly the curved disease stake restoration and treatment device that splits that the pile for prestressed pipe that a kind of repairing effect is good, efficiency of construction is high is provided to the present situation of above-mentioned prior art.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: a kind of curved disease stake restoration and treatment device that splits of pile for prestressed pipe is characterized in that:
A. should curved split configuration one drilling tool in the pore of disease stake, this drilling tool is made up of drill bit and drilling rod, and is threaded and is integral;
B. said drill bit be coniform, these circular cone periphery embedding iron chains have a plurality of alloy bars, said drill bit is provided with the axial centre weep hole;
C. said drilling rod is set to hollow-core construction, and its upper end is provided with the water inlet that connects high-pressure water pipe; This drilling rod middle part is provided with a plurality of upward weep holes; This drilling rod bottom is provided with axial weep hole, and this axial weep hole is corresponding with the axial centre weep hole of said drill bit.
The pressure of the water inlet of said high-pressure water pipe is 5Mpa～10Mpa.
Adopt above drilling tool structure, can be implemented in and advance the brill process in the pore and dash with water under high pressure simultaneously, alloy bit promptly can drill said curved rubble or the road slag blanket that splits in the disease stake pore fast.
Said upward weep hole is set to four, its diameter be 10 millimeters of Φ, upward tiltedly be 45 the degree.
The axial centre weep hole diameter of the axial weep hole of said drilling rod, said drill bit is 8 millimeters of Φ.
Adopt drilling rod lower end and drill bit respectively to be provided with corresponding center water outlet hole each other, a position, its effect is to be convenient to downwards towards silt matter soil.
The utility model is owing to adopted the device that the curved construction on the spot of splitting the disease stake is repaired, and compared with prior art, its advantage is that repairing effect is good, can guarantee workmanship; Efficiency of construction improves greatly again.
Description of drawings
Fig. 1 the utility model drilling tool structure intention;
Fig. 2 is the B-B sectional drawing of Fig. 1;
Fig. 3 is the A-A sectional drawing of Fig. 1;
Fig. 4 is the utility model repairing and treating step sketch map;
The specific embodiment
Below in conjunction with accompanying drawing embodiment to describing in further detail.
The curved repairing and treating that splits the disease stake of the utility model pile for prestressed pipe is in the excavating foundation trench construction, to stack the earthwork and pattern foundation pit supporting structure because of the soil excavation discrepancy in elevation or on the foundation trench limit to lose efficacy; Weak soil can produce bigger displacement drive and sink to the pile for prestressed pipe in the soil; Thereby produce crooked and rupture, this pile for prestressed pipe becomes the disease stake of forfeiture supporting capacity; Pile for prestressed pipe in the engineering has only behind excavating foundation trench can appear this pile for prestressed pipe, and just can learn top off normal amount through detecting the stake position, can know that this pile for prestressed pipe is whether crooked and ruptures; Have only that foundation trench appears fully in the place, can know the bending and the breaking degree of this disease stake; At this moment, adopt other construction machinery of building with remedial measure to be difficult to get in the said place, have only the original place to repair said disease stake, and recover its supporting capacity and be only very wise move.
All fill up the ballast aggregate of rubble or backfill in the hollow pore of said pile for prestressed pipe; The utility model is exactly the breach portion below 2 meters that will the rubble in this prestressed pipe tubular pile hollow hole or ballast aggregate be sink to said pile tube, construction reinforced bar concrete reinforcement stake in the hollow circular hole of this pile for prestressed pipe then.
Fig. 1 to Fig. 4 illustrates an embodiment of the utility model, comprise-by the drilling tool 1 that drill bit 11 and drilling rod 12 are formed, this drill bit 11 is integral by being threaded with drilling rod 12; The a plurality of alloy bars 13 of embedding iron chains around this drill bit 11 are referring to Fig. 1; Drilling rod is set to hollow-core construction, and this drilling rod upper end is provided with the water inlet 16 that connects high-pressure water pipe, and the pressure of high-pressure water pipe is 5Mpa～10Mpa; Advance brill process while water under high pressure and dash, alloy bit 11 can drill said rubble or the road slag blanket of bending in the stake hole of splitting disease stake 2 fast;
Fig. 2 illustrates drilling rod 12 middle parts and is provided with the upward weep hole 15 that a plurality of diameters are 10 millimeters of Φ, and this oblique weep hole upwards is 45 degree, so that towards silt matter soil;
Fig. 3 illustrate drilling rod 12 lower ends and drill bit 11 respectively be provided with a position each other corresponding diameter be the center water outlet hole 14 and 17 of 8 millimeters of Φ so that native towards silt matter downwards;
As shown in Figure 4, the curved disease stake repairing and treating method step that splits of the utility model pile for prestressed pipe is:
The first step at curved bending dorsal part 9 boring extracting soils that split disease stake 2, should be bent and split disease stake 2 and set upright;
In second step, curved after drilling tool 1 inserted this and set upright splits the suitable for reading of disease stake 2, and drills rubble or road slag blanket in this disease stake hole; Advancing the brill process connects water under high pressure simultaneously and washes away; At this moment, by the 15 upward pressure water outlets of drilling rod weep hole, dash soil by bit central weep hole 14 downward pressures; Along with drilling tool 1 moves up and down; Water under high pressure is washed into the mud overflow to ground with the weak soil 4 in the disease stake pipe; Rubble in the disease stake circular hole or ballast aggregate are also along with sinking, and be until being sink to the position about 2 meters below the pile tube breach, again that the water pump drainage in this disease stake circular hole is clean; And rubble or road slag blanket 3 in the disease stake pipe circular hole sink down into pile tube breach place 21 following 2 meters, accomplish the task that rubble or road slag blanket 3 in the disease stake circular hole sink;
In the 3rd step, extract the suitable for reading of drilling tool 1 to disease stake 2;
In the 4th step, get rid of ponding in the disease stake 2, and insert reinforcing cage 7; Fill concrete 6, be inserted to 0.5 meter position up and down of pile tube breach 21, continuous shaking time >=10 minute with poker vibrator; Interrupted vibration accumulative total time of vibration >=15 minute; Cement paste in concrete 6 infiltrates the periphery wall 5 of pile tube breach 21 to stake, and the fracture port of this disease stake is tamped, and can reach the function of transmitting vertical load; With 6 of reinforcing bar 7 concrete that become cast-in-place entity in the former disease stake circular hole, this reinforced concrete pile stretches into following 2 meters of disease stake breach, can repair the function that former disease stake also can realize original transmission horizontal loading.
Claims (4)
1. the curved disease stake restoration and treatment device that splits of a pile for prestressed pipe is characterized in that:
A. should curved split configuration one drilling tool (1) in the stake pore of disease stake (2), this drilling tool (1) is made up of drill bit (11) and drilling rod (12), and is threaded and is integral;
B. said drill bit (11) be coniform, these circular cone periphery embedding iron chains have a plurality of alloy bars (13), said drill bit (11) is provided with axial centre weep hole (17);
C. said drilling rod (12) is set to hollow-core construction, and its upper end is provided with the water inlet (16) that connects high-pressure water pipe; This drilling rod middle part is provided with a plurality of upward weep holes (15); This drilling rod bottom is provided with axial weep hole (14), and this axial weep hole (14) is corresponding with the axial centre weep hole (17) of said drill bit.
2. according to the curved disease stake restoration and treatment device that splits of the said pile for prestressed pipe of claim 1, it is characterized in that: the pressure of the water inlet of said high-pressure water pipe (16) is 5Mpa～10Mpa.
3. according to the curved disease stake restoration and treatment device that splits of the said pile for prestressed pipe of claim 1, it is characterized in that: said upward weep hole (15) is set to four, its diameter be 10 millimeters of Φ, upward tiltedly be 45 the degree.
4. according to the curved disease stake restoration and treatment device that splits of the said pile for prestressed pipe of claim 1, it is characterized in that: axial centre weep hole (17) diameter of the axial weep hole of said drilling rod (14), said drill bit is 8 millimeters of Φ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120383797XU CN202298677U (en) | 2011-09-28 | 2011-09-28 | Bending crack disease pile repairing device for prestress pipe pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120383797XU CN202298677U (en) | 2011-09-28 | 2011-09-28 | Bending crack disease pile repairing device for prestress pipe pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202298677U true CN202298677U (en) | 2012-07-04 |
Family
ID=46367606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120383797XU Expired - Lifetime CN202298677U (en) | 2011-09-28 | 2011-09-28 | Bending crack disease pile repairing device for prestress pipe pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202298677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433901A (en) * | 2011-09-28 | 2012-05-02 | 孔超 | Repair and treatment method of prestressed pipe pile with bending and breaking defects |
-
2011
- 2011-09-28 CN CN201120383797XU patent/CN202298677U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102433901A (en) * | 2011-09-28 | 2012-05-02 | 孔超 | Repair and treatment method of prestressed pipe pile with bending and breaking defects |
| CN102433901B (en) * | 2011-09-28 | 2015-03-11 | 孔超 | Repair and treatment method of prestressed pipe pile with bending and breaking defects |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120704 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |