CN103061336A - Sectioned type fully-pre-stressed concrete solid square pile - Google Patents
Sectioned type fully-pre-stressed concrete solid square pile Download PDFInfo
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- CN103061336A CN103061336A CN2013100600078A CN201310060007A CN103061336A CN 103061336 A CN103061336 A CN 103061336A CN 2013100600078 A CN2013100600078 A CN 2013100600078A CN 201310060007 A CN201310060007 A CN 201310060007A CN 103061336 A CN103061336 A CN 103061336A
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Abstract
The invention discloses a sectioned type fully-pre-stressed concrete solid square pile comprising sectioned type fully-pre-stressed concrete solid square pile bodies which are mutually welded and fixedly connected, wherein each sectioned type fully-pre-stressed concrete solid square pile body comprises an end cover, a rebar framework and concrete; the concrete is poured and covers the rebar framework; the end cover comprises welding end plates and pile hoops; the welding end plates are arranged at the two ends of the rebar framework and the pile hoops are arranged in a manner of tightly hooping the welding end plates; the rebar framework comprises a pre-stressed steel rod and a cold-drawing low-carbon steel wire; and the pre-stressed steel rod and the cold-drawing low-carbon steel wire are welded and fixed. The sectioned type fully-pre-stressed concrete solid square pile disclosed by the invention is simple in structure; when being used, the sectioned type fully-pre-stressed concrete solid square pile is formed by welding the sectioned type fully-pre-stressed concrete solid square pile bodies according to requirements on square pile lengths by different geologies so that the requirements on the pile lengths by different geological constructions are met, the time and manpower are saved to a certain extent and the cost is saved; and the sectioned type fully-pre-stressed concrete solid square pile is compact in structure and strong in anti-seismic property, is not easy to explode in a construction process, and has wide application range and good practical applicability.
Description
Technical field
The invention belongs to the vertical foundation pile of the low cushion cap field that belongs to industry or civil building, be specifically related to a kind of segment type fully prestressed concrete solid square pile.
Background technology
Existing prefabricated foundation pile is to the matter condition can not be fully applicable variously, and the ubiquity bearing capacity is not high, easy quick-fried stake in the construction, antidetonation, tensile property are relatively poor, and prefabricated foundation pile allows pile body to ftracture within the specific limits, can't use for the special construction scene at all, and practicality is relatively poor.
Chinese patent 201010201400.0 discloses whole solid square pile of a kind of steel pile tip fully prestressed concrete and processing method thereof, it has solved deficiencies such as bearing tensile stress to a certain extent, yet it is Shortcomings also, its integral manufacturing forms, can not carry out as required the pile body length adjustment, can not solve differently the long problem such as inconsistent of the stake of verifying, and its steel pile tip and pile body are integrated to build and form, pile body can not be separated with steel pile tip, a kind of waste for the geology steel pile tip that does not need steel pile tip, and its spiral bar adopts colligation mode to fix, and it to a certain degree also takes time and effort, and practicality is relatively poor.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, segment type fully prestressed concrete solid square pile that applicability is strong.
The technical scheme that realizes the object of the invention is a kind of segment type fully prestressed concrete solid square pile, comprise and be welded to each other the segment type full prestressing solid square pile body that is fixedly connected with, described segment type full prestressing solid square pile body comprises end cap, cage of reinforcement and concrete, described concreting is also wrapped up described cage of reinforcement setting, described end cap comprises welded end plate and pile protection hoop, described welded end plate is arranged on the two ends of described cage of reinforcement, the described welded end plate setting of described pile protection banding hoop, described cage of reinforcement comprises prestressed steel bar and cold-drawn low-carbon wire, and described prestressed steel bar and described cold-drawn low-carbon wire are welded and fixed.
Also comprise steel pile tip, described steel pile tip is weldingly fixed on the welded end plate of described segment type full prestressing solid square pile body.
The diameter of described prestressed steel bar is that the described welded end plate thickness of 9.0mm is 18mm.Or the diameter of described prestressed steel bar is that the described welded end plate thickness of 10.7mm is 20mm.Or the diameter of described prestressed steel bar is that the described welded end plate thickness of 12.6mm is 24mm.
Described prestressed steel bar is 8,12,16 or 20 settings.
Described concrete external surface is 35MM-45MM apart from the thickness of prestressed steel bar.
The present invention has positive effect: of the present invention simple in structure, square pile is arranged to be welded to each other the segment type full prestressing solid square pile body that is fixedly connected with, can segment type full prestressing solid square pile body be welded according to the needs of the square pile length of differently verifying during use, solved not to the geology construction needs long to stake, but and adopt merogenesis to make Effective Raise full prestressing solid square quality of pile and make efficiency, cage of reinforcement comprises prestressed steel bar and cold-drawn low-carbon wire simultaneously, described prestressed steel bar and described cold-drawn low-carbon wire are welded and fixed, time and manpower have been saved to a certain extent, provide cost savings, further, also comprise steel pile tip, steel pile tip is weldingly fixed on the welded end plate of full prestressing solid square pile body, weldable steel pile top as required, do not needing to use the use of saving steel pile tip in the geological conditions of steel pile tip, saved to a certain extent resource, its integrated carrying ability is good, and its compact conformation, anti-seismic performance is strong, non-explosive stake in work progress, and also it is for precast concrete pile, cost is low, cost performance is high, and is not easy cracking, and is applied widely and practicality good.
Description of drawings
For content of the present invention is more likely to be clearly understood, the below according to specific embodiment and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein:
Fig. 1 is the structural representation of segment type full prestressing solid square pile body among the present invention.
Fig. 2 is segment type full prestressing solid square pile body and steel pile tip combining structure schematic diagram among the present invention.
The specific embodiment
(embodiment 1)
Fig. 1 has shown a kind of specific embodiment of the present invention, and wherein Fig. 1 is the structural representation of segment type full prestressing solid square pile body among the present invention.
See Fig. 1, a kind of segment type fully prestressed concrete solid square pile, comprise and be welded to each other the segment type full prestressing solid square pile body that is fixedly connected with, described segment type full prestressing solid square pile body comprises end cap 1, cage of reinforcement 2 and concrete 3, described concrete 3 is built and is wrapped up described cage of reinforcement 2 and arranges, described end cap 1 comprises welded end plate 11 and pile protection hoop 12, described welded end plate 11 is arranged on the two ends of described cage of reinforcement 2, the described welded end plate 11 of described pile protection hoop 12 lock rings arranges, described cage of reinforcement 2 comprises prestressed steel bar 21 and cold-drawn low-carbon wire 22, and described prestressed steel bar 21 is welded and fixed with described cold-drawn low-carbon wire 22.Wherein, prestressed steel bar and cold-drawn carbon steel wire adopt reinforced bar skeleton seam welder to be welded and fixed, method and the step of its moulding are summarized as follows: prestressed steel bar and cold-drawn carbon steel wire are welded into reinforcing cage, to weld good reinforcing cage is placed on and carries out stretch-draw in the mould again, making the stretch-draw value is 70% of prestressed steel bar normal intensity, then, configuration level is that the pouring concrete of C60 or C80 is in being placed with the mould of reinforcing cage, the thickness that makes concrete external surface and prestressed steel bar is 35MM-455MM, make it can well protect prestressed steel bar, re-using the vibrating head vibration fixes the moulding of full prestressing steam concrete solid square pile, and its upper surface carried out troweling, manually tear open at last and touch; Its maintenance process is: quiet stopping 4 hours; Heat up: rise to 80 ℃ of needs with 3 hours from 20 ℃, on average per hour heat up 20 ℃; Constant temperature was 8 hours when temperature rose to 80 ℃.
The diameter of described prestressed steel bar 21 is that described welded end plate 11 thickness of 9.0mm are 18mm; Perhaps the diameter of described prestressed steel bar 21 is that described welded end plate 11 thickness of 10.7mm are 20mm; Perhaps the diameter of described prestressed steel bar 21 is that described welded end plate 11 thickness of 12.6mm are 24mm.
Described prestressed steel bar 21 is 8,12,16 or 20 settings.
Described concrete 3 external surfaces are 35MM-45MM apart from the thickness of prestressed steel bar 21.
(embodiment two)
Present embodiment and embodiment one are basic identical, see Fig. 2, and Fig. 2 is segment type full prestressing solid square pile body and steel pile tip combining structure schematic diagram among the present invention.Difference is, also comprises steel pile tip 4, and described steel pile tip 4 is weldingly fixed on the welded end plate 11 of described segment type full prestressing solid square pile body.Adopt this structure, can geological conditions more severely-weathered basement rock is arranged or the soil layer that is difficult to penetrate in use, its forming method is to complete with square pile.
Obviously, the above embodiment of the present invention only is for example of the present invention clearly is described, and is not to be restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And these belong to apparent variation or the change that connotation of the present invention extends out and still belong to protection scope of the present invention.
Claims (7)
1. segment type fully prestressed concrete solid square pile, comprise and be welded to each other the segment type full prestressing solid square pile body that is fixedly connected with, it is characterized in that: described segment type full prestressing solid square pile body comprises end cap, cage of reinforcement and concrete, described concreting is also wrapped up described cage of reinforcement setting, described end cap comprises welded end plate and pile protection hoop, described welded end plate is arranged on the two ends of described cage of reinforcement, the described welded end plate setting of described pile protection banding hoop, described cage of reinforcement comprises prestressed steel bar and cold-drawn low-carbon wire, and described prestressed steel bar and described cold-drawn low-carbon wire are welded and fixed.
2. segment type fully prestressed concrete solid square pile according to claim 1, it is characterized in that: also comprise steel pile tip, described steel pile tip is weldingly fixed on the welded end plate of described segment type full prestressing solid square pile body.
3. segment type fully prestressed concrete solid square pile according to claim 2, it is characterized in that: the diameter of described prestressed steel bar is that the described welded end plate thickness of 9.0mm is 18mm.
4. segment type fully prestressed concrete solid square pile according to claim 2, it is characterized in that: the diameter of described prestressed steel bar is that the described welded end plate thickness of 10.7mm is 20mm.
5. segment type fully prestressed concrete solid square pile according to claim 2, it is characterized in that: the diameter of described prestressed steel bar is that the described welded end plate thickness of 12.6mm is 24mm.
6. the described segment type fully prestressed concrete of any one solid square pile to the claim 5 according to claim 3, it is characterized in that: described prestressed steel bar is 8,12,16 or 20 settings.
7. segment type fully prestressed concrete solid square pile according to claim 6, it is characterized in that: described concrete external surface is 35MM-45MM apart from the thickness of prestressed steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100600078A CN103061336A (en) | 2013-02-26 | 2013-02-26 | Sectioned type fully-pre-stressed concrete solid square pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100600078A CN103061336A (en) | 2013-02-26 | 2013-02-26 | Sectioned type fully-pre-stressed concrete solid square pile |
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| CN103061336A true CN103061336A (en) | 2013-04-24 |
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| CN2013100600078A Pending CN103061336A (en) | 2013-02-26 | 2013-02-26 | Sectioned type fully-pre-stressed concrete solid square pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887878A (en) * | 2016-05-03 | 2016-08-24 | 威海中恒管桩有限公司 | Pre-stressed concrete specially-shaped pipe pile adopting electric welding connection |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4604003A (en) * | 1983-02-22 | 1986-08-05 | Francoeur Ronald A | Method and apparatus for retensioning prestressed concrete members |
| KR20100004477A (en) * | 2008-07-04 | 2010-01-13 | 조영상 | Electrical arc discharge carbon nanotube synthesis equipment with chamber for heat treatment of anode carbon rod |
| CN201835278U (en) * | 2010-08-31 | 2011-05-18 | 上海中技桩业股份有限公司 | Prestressed high-strength concrete square pile |
| CN202000346U (en) * | 2011-04-19 | 2011-10-05 | 上海中技桩业股份有限公司 | Prestressed concrete square pile |
| CN202000344U (en) * | 2011-04-19 | 2011-10-05 | 上海中技桩业股份有限公司 | Foundation prestressed concrete hollow square pile |
| CN202031083U (en) * | 2011-04-19 | 2011-11-09 | 上海中技桩业股份有限公司 | Prestress hollow square pile |
| CN202247858U (en) * | 2011-07-26 | 2012-05-30 | 杭州固华复合材料科技有限公司 | Tube pile with high service durability |
-
2013
- 2013-02-26 CN CN2013100600078A patent/CN103061336A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4604003A (en) * | 1983-02-22 | 1986-08-05 | Francoeur Ronald A | Method and apparatus for retensioning prestressed concrete members |
| KR20100004477A (en) * | 2008-07-04 | 2010-01-13 | 조영상 | Electrical arc discharge carbon nanotube synthesis equipment with chamber for heat treatment of anode carbon rod |
| CN201835278U (en) * | 2010-08-31 | 2011-05-18 | 上海中技桩业股份有限公司 | Prestressed high-strength concrete square pile |
| CN202000346U (en) * | 2011-04-19 | 2011-10-05 | 上海中技桩业股份有限公司 | Prestressed concrete square pile |
| CN202000344U (en) * | 2011-04-19 | 2011-10-05 | 上海中技桩业股份有限公司 | Foundation prestressed concrete hollow square pile |
| CN202031083U (en) * | 2011-04-19 | 2011-11-09 | 上海中技桩业股份有限公司 | Prestress hollow square pile |
| CN202247858U (en) * | 2011-07-26 | 2012-05-30 | 杭州固华复合材料科技有限公司 | Tube pile with high service durability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105887878A (en) * | 2016-05-03 | 2016-08-24 | 威海中恒管桩有限公司 | Pre-stressed concrete specially-shaped pipe pile adopting electric welding connection |
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Application publication date: 20130424 |