CN201202113Y - Concrete bearing pile - Google Patents
Concrete bearing pile Download PDFInfo
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- CN201202113Y CN201202113Y CNU2008201182967U CN200820118296U CN201202113Y CN 201202113 Y CN201202113 Y CN 201202113Y CN U2008201182967 U CNU2008201182967 U CN U2008201182967U CN 200820118296 U CN200820118296 U CN 200820118296U CN 201202113 Y CN201202113 Y CN 201202113Y
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- concrete bearing
- bearing peg
- stake
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- permeable part
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Abstract
The utility model aims at providing a concrete bearing pile, which can greatly reduce the decrease of bearing force caused by soil liquefaction. The concrete bearing pile is characterized in that the inner portion of the concrete bearing pile is provided with a permeable portion (2), and one side of the permeable portion can form the circumference of the pile, and the permeable portion is communicated with a drainage channel (5) which is arranged inside the concrete bearing pile for realizing the exhaust of liquefied water, thereby preventing the soil liquefaction.
Description
Technical field
The utility model relates to field of civil engineering, particularly relates to a kind of concrete pile as the basis.
Background technology
In the past, precast concrete pile is often adopted on the basis of civil engineering, for this precast concrete pile, in the relatively poor occasion of many geological conditionss, its essence is passed through frictional force, support to upper building is provided, but, running into liquefaction soil, such as, during the loosening sand layer, often because the vibration that the dynamic load on tops such as earthquake, highway, railroad bridge produces stake, the end resistance of the frictional force of pile vibrosinking, the equipment that dynamic load is bigger, the factory building perisporium of above-mentioned stake because of liquefaction of soil mass makes or stake bottom soil reduces, and the bearing capacity of stake is reduced.In addition, because liquefaction of soil mass also can cause the reduction of liquefaction soil to the horizontal resistance of stake.
The disclosure of an invention scheme
The purpose of this utility model is to provide a kind of concrete bearing peg, and it can lower the reduction of the bearing capacity that causes because of liquefaction of soil mass greatly.
Above-mentioned purpose of the present utility model is to realize in the inside of this concrete bearing peg, having permeable part by following concrete bearing peg, and a side of this permeable part constitutes the perisporium of stake, thereby prevents the liquefaction of the soil body.
According to such scheme, owing to permeable part is set in the inside of stake, its perisporium with stake is communicated with, so the water of stake around the perisporium that liquefaction is caused is discharged to this permeable partial interior, and discharges by drainage channel, weaken so greatly because of vibration (such as, earthquake, the vibration that hammering stake during pile driving construction produces) harmful effect to pile lining frictional force of liquefying and causing, thus can keep stable pile capacity, or improve pile capacity.
In above-mentioned concrete bearing peg, this permeable part is communicated with the drainage channel of the inside that is arranged at this concrete bearing peg, so that realize the discharge of the water of liquefaction, above-mentioned drainage channel is the longitudinal drainage pipe.
According to such scheme,,, weaken the influence of liquefaction greatly so can effectively water be discharged because gutter is set.
In above-mentioned concrete bearing peg, above-mentioned drainage channel is communicated with pump, and in addition, above-mentioned permeable part is by pervious concrete, or permeable mortar constitutes.
According to such scheme, because pervious concrete, or permeable mortar forms permeable part, so both can satisfy the requirement of the bearing strength of stake, that can realize again liquefying prevents, because the employing pump, so can discharge liquefaction water effectively apace.
In above-mentioned concrete bearing peg, above-mentioned concrete bearing peg is reinforcing bar or prestressed reinforced concrete pipe pile, and above-mentioned permeable part constitutes the part of the perisporium of pile tube.
In above-mentioned concrete bearing peg, above-mentioned permeable part is along the longitudinal extension of stake.
In above-mentioned concrete bearing peg, above-mentioned permeable part is vertical along stake, from the stake top, extends to a bottom.
According to such scheme, because longitudinally connecting from top to bottom, permeable part is provided with, so the harmful effect that can in whole long scope, prevent to liquefy frictional force is caused effectively.
In above-mentioned concrete bearing peg, above-mentioned permeable part is arranged at the middle part of stake, so that prevent the liquefaction of all foundation soil bodies in the zone at the non-two ends of stake more effectively.
According to such scheme, because above-mentioned permeable part is arranged at the middle part except top and bottom of stake, can discharge the liquefaction water of all foundation soil bodies of stake so more effectively, thereby realize effective reinforcing of ground, fixed.
In above-mentioned concrete bearing peg, above-mentioned permeable part is arranged at the bottom of stake, so that can reduce or eliminate the excess hydrostatic pressure of stake end soil effectively.
According to such scheme,, in pile driving process, the water of stake end can be discharged fast like this, thereby can reduce excess hydrostatic pressure effectively because above-mentioned permeable part is arranged at the bottom of stake.
Above-mentioned purpose of the present utility model also realizes by the concrete bearing peg of the 2nd following scheme, the outside in the outer peripheral sidewall of this concrete bearing peg, has the permeable part of extending up and down, this permeable part is communicated with drainage channel, so that realize the discharge of the water of liquefaction, thereby prevent the liquefaction of the soil body.
According to above-mentioned the 2nd scheme, because permeable part is set on the periphery wall of stake, it can contact with the soil body better, so the stake perisporium water on every side that liquefaction is caused effectively is discharged to this permeable partial interior, and discharge by drainage channel, weaken the harmful effect that liquefaction causes so greatly, thereby can keep stable pile capacity, or improve pile capacity pile lining frictional force.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned drainage channel is arranged at the inside of this permeable part, or is arranged at the inside of concrete bearing peg.
According to such scheme,,, weaken the influence of liquefaction greatly so can effectively water be discharged because gutter is set.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned permeable part is the surrounding layer that seals continuously around the outer peripheral sidewall of concrete bearing peg.
According to such scheme because continuous permeable surrounding layer is set, so can around foundation soil body in the discharge of liquefaction water, thereby keep enough bearing capacity, or bearing capacity is significantly improved.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned permeable part is around the outer peripheral sidewall of concrete bearing peg, along the isolated a plurality of vertically prominent bars of hoop.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned permeable part is pervious concrete or permeable mortar.
According to such scheme, because pervious concrete, or permeable mortar forms permeable part, so the requirement of a bearing strength that both can satisfy, that can realize again liquefying prevents.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned concrete bearing peg is reinforcing bar or prestressed reinforced concrete pipe pile, and above-mentioned permeable part is surrounded sealing with the perisporium of pile tube in the form of a ring.
According to such scheme, because permeable part is in the form of a ring around the periphery wall of pile tube,, and discharge, thereby keep enough bearing capacity, or bearing capacity is significantly improved so effectively the liquefaction water around the stake is discharged to this permeable part.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned permeable part is along the longitudinal extension of stake.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned permeable part is vertical along stake, from the stake top, extends to a bottom.
According to such scheme, because longitudinally connecting from top to bottom, permeable part is provided with, so the harmful effect that can in whole long scope, prevent to liquefy frictional force is caused effectively.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned permeable part is arranged at the middle part of stake, so that prevent the liquefaction of all foundation soil bodies of stake more effectively.
According to such scheme and since above-mentioned permeable part be arranged at the stake the middle part except top and bottom, can discharge more effectively like this stake non-two ends the zone the stake all foundation soil bodies liquefaction water, thereby the realization ground effective reinforcing, fixed.
In the concrete bearing peg of above-mentioned the 2nd scheme, above-mentioned permeable part is arranged at the bottom of stake, so that can reduce excess hydrostatic pressure effectively.
According to such scheme,, in pile driving process, the water of stake end can be discharged fast like this, thereby can reduce excess hydrostatic pressure effectively because above-mentioned permeable part is arranged at the bottom of stake.
Brief description of drawings
Fig. 1 is the elevation as the concrete bearing peg of the 1st embodiment of the present utility model;
Fig. 2 is the elevation as the concrete bearing peg of the 2nd embodiment of the present utility model;
Fig. 3 is the elevation as the state of concrete bearing peg in foundation soil body of the 3rd embodiment of the present utility model.
The embodiment that is used to carry out an invention
As shown in Figure 1, prefabricated reinforced concrete bearing peg as the 1st embodiment of the present utility model is a pile tube, and it comprises common concrete part 1 and permeable part 2, and this permeable part 2 is positioned on the circular tube wall of pile tube, constitute the part of tube wall, and constitute the periphery wall of tube wall.Inside in common concrete part 1 is provided with reinforcing bar 3, forms interface 4 between common concrete part 1 and the permeable part 2, and this permeable part 2 adopts permeable concrete, so that realize the double effects of the intensity of permeable and maintenance stake.In the inside of permeable part 2, be provided with gutter 5, it can extend upwardly to a top.As shown in Figure 2, along stake vertically, have soft mud from top to bottom successively, liquefiable sand layer, argillic horizon and boulder bed, this soft mud such as, for being mixed with the soil layer of silt or sand in mud matter opaque adhesion coating, the silt soil strata.At above-mentioned soft mud, because of outer thereby generation liquefaction, the water that is produced can enter in the stake from permeable part 2 in the liquefiable sand layer.In addition, stake bottom surrounding soil can take place in boulder bed or sand layer produce excess hydrostatic pressure, because permeable part 2 extends to a bottom, so can reduce this excess hydrostatic pressure.
As shown in Figure 3, prefabricated reinforced concrete bearing peg as the 3rd embodiment of the present utility model is a pile tube 1, it comprises outer permeable part 2 in the form of a ring, the permeable part 2 of this skin is surrounded the pile body of stake 1, this permeable part 2 can be pervious concrete, gutter 5 shown in Fig. 2 also can be set in it, and this gutter 5 can be communicated with not shown pump.
Claims (18)
1. a concrete bearing peg is characterized in that having permeable part in the inside of this concrete bearing peg, and a side of this permeable part constitutes the perisporium of stake, thereby prevents the liquefaction of the soil body.
2. concrete bearing peg according to claim 1 is characterized in that, this permeable part is communicated with the drainage channel of the inside that is arranged at this concrete bearing peg, so that realize the discharge of the water of liquefaction, above-mentioned drainage channel is the longitudinal drainage pipe.
3. concrete bearing peg according to claim 1 is characterized in that above-mentioned drainage channel is communicated with pump, and above-mentioned permeable part is a pervious concrete, or permeable mortar.
4. concrete bearing peg according to claim 1 is characterized in that above-mentioned concrete bearing peg is reinforcing bar or prestressed reinforced concrete pipe pile, and above-mentioned permeable part constitutes the part of the perisporium of pile tube.
5. concrete bearing peg according to claim 4 is characterized in that the longitudinal extension of above-mentioned permeable part along stake.
6. concrete bearing peg according to claim 5, it is characterized in that above-mentioned permeable part along stake vertically, from the stake top, extend to a bottom.
7. concrete bearing peg according to claim 1, it is characterized in that above-mentioned permeable part be arranged at the stake the middle part so that prevent more effectively the stake non-two ends the zone the stake all foundation soil bodies liquefaction.
8. concrete bearing peg according to claim 1 is characterized in that above-mentioned permeable part is arranged at the bottom of stake, so that can reduce or eliminate the excess hydrostatic pressure of stake end soil effectively.
9. a concrete bearing peg is characterized in that in the outside of the outer peripheral sidewall of this concrete bearing peg, has the permeable part of extending up and down, and this permeable part is communicated with drainage channel, so that realize the discharge of the water of liquefaction, thereby prevents the liquefaction of the soil body.
10. concrete bearing peg according to claim 9 is characterized in that above-mentioned drainage channel is arranged at the inside of this permeable part, or is arranged at the inside of concrete bearing peg.
11. concrete bearing peg according to claim 9 is characterized in that above-mentioned permeable part is the surrounding layer that seals continuously around the outer peripheral sidewall of concrete bearing peg.
12. concrete bearing peg according to claim 9 is characterized in that above-mentioned permeable part is for around the outer peripheral sidewall of concrete bearing peg, along the isolated a plurality of vertically prominent bars of hoop.
13. concrete bearing peg according to claim 9 is characterized in that above-mentioned permeable part is pervious concrete or permeable mortar.
14. concrete bearing peg according to claim 13 is characterized in that above-mentioned concrete bearing peg is reinforcing bar or prestressed reinforced concrete pipe pile, above-mentioned permeable part is surrounded sealing with the perisporium of pile tube in the form of a ring.
15. concrete bearing peg according to claim 14 is characterized in that the longitudinal extension of above-mentioned permeable part along stake.
16. concrete bearing peg according to claim 15, it is characterized in that above-mentioned permeable part along stake vertically, from the stake top, extend to a bottom.
17. concrete bearing peg according to claim 9, it is characterized in that above-mentioned permeable part be arranged at the stake the middle part so that prevent more effectively the stake non-two ends the zone the stake all foundation soil bodies liquefaction.
18. concrete bearing peg according to claim 9 is characterized in that above-mentioned permeable part is arranged at the bottom of stake, so that can reduce or eliminate excess hydrostatic pressure effectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201182967U CN201202113Y (en) | 2008-05-29 | 2008-05-29 | Concrete bearing pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201182967U CN201202113Y (en) | 2008-05-29 | 2008-05-29 | Concrete bearing pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201202113Y true CN201202113Y (en) | 2009-03-04 |
Family
ID=40424425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201182967U Expired - Lifetime CN201202113Y (en) | 2008-05-29 | 2008-05-29 | Concrete bearing pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201202113Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196013A (en) * | 2014-09-11 | 2014-12-10 | 浙江大学城市学院 | Composite Y-shaped pile and construction method of composite Y-shaped pile |
| CN108411909A (en) * | 2018-04-19 | 2018-08-17 | 北京泰斯特工程检测有限公司 | A kind of high intensity can drain prefabricating composite pile |
| CN109797764A (en) * | 2019-01-28 | 2019-05-24 | 东北大学 | A kind of anti-liquefaction pile foundation suitable for easy liquefaction soil layers |
-
2008
- 2008-05-29 CN CNU2008201182967U patent/CN201202113Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196013A (en) * | 2014-09-11 | 2014-12-10 | 浙江大学城市学院 | Composite Y-shaped pile and construction method of composite Y-shaped pile |
| CN108411909A (en) * | 2018-04-19 | 2018-08-17 | 北京泰斯特工程检测有限公司 | A kind of high intensity can drain prefabricating composite pile |
| CN109797764A (en) * | 2019-01-28 | 2019-05-24 | 东北大学 | A kind of anti-liquefaction pile foundation suitable for easy liquefaction soil layers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100028, Beijing, Chaoyang District, No. 28, west of China Metallurgical Building, 18 and 19 Patentee after: MCC Communication Engineering Technology Co., Ltd. Address before: 100176, No. 1, Kangding street, Daxing District economic and Technological Development Zone, Beijing, B2 Patentee before: MCC Communication Engineering Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100028, Beijing, Chaoyang District, No. 28, west of China Metallurgical Building, 18 and 19 Patentee after: MCC COMMUNICATION CONSTRUCTION GROUP CO., LTD. Address before: 100028, Beijing, Chaoyang District, No. 28, west of China Metallurgical Building, 18 and 19 Patentee before: MCC Communication Engineering Technology Co., Ltd. |
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| DD01 | Delivery of document by public notice |
Addressee: MCC COMMUNICATION CONSTRUCTION GROUP CO., LTD. Document name: Notification of Passing Examination on Formalities |
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| CX01 | Expiry of patent term |
Granted publication date: 20090304 |
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| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: MCC COMMUNICATION CONSTRUCTION GROUP CO., LTD. Document name: Notification of Expiration of Patent Right Duration |
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| DD01 | Delivery of document by public notice |