CN204570674U - A kind of spill tooth pile tube - Google Patents
A kind of spill tooth pile tube Download PDFInfo
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- CN204570674U CN204570674U CN201520194893.8U CN201520194893U CN204570674U CN 204570674 U CN204570674 U CN 204570674U CN 201520194893 U CN201520194893 U CN 201520194893U CN 204570674 U CN204570674 U CN 204570674U
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- spill tooth
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Abstract
The utility model discloses a kind of spill tooth pile tube, feature comprises the reverse frustoconic Zhuan Ti ﹑ cylindrical shape pile body and pile top that coaxially connect successively from top to bottom, cylindrical shape pile body is evenly equipped with several teeth caved inward along stake length direction, distance between two longitudinally adjacent teeth equals or slightly larger than the twice of cylindrical shape pile body diameter, the distribution number of teeth on the cross section of cylindrical shape pile body is 3-5, these teeth are semielliptical shape teeth or conical teeth or prismatic table shape teeth, the inner side of cylindrical shape pile body is provided with the profile iron sleeve identical with cylindrical shape pile body global shape, the inner side of profile iron sleeve is provided with cylindrical shape steel bushing, advantage to improve the enabling capabilities of the soil body to stake, not only save material, alleviate the deadweight of pile body, and increase the contact area of pile body and the soil body, improve the Lateral resisting ability of stake, the Zhi Fang of work Bian ﹑ construction is simultaneously simple, be applicable to southeastern coast soft clay area.
Description
Technical field
The utility model relates to a kind of pile tube, especially relates to a kind of spill tooth pile tube.
Background technology
China is with a vast territory, complex geologic conditions, some great soil group respectively has the special engineering character significantly different from general great soil group because Di Zhi ﹑ Di manages the Huan Jing ﹑ Qi time reason such as Tiao Jian ﹑ material composition and secondary change, when it is as building Chang Di ﹑ ground and architectural environment, if do not take corresponding control measures for its special feature, just be difficult to engineering demands, even can cause engineering accident.Whether appropriate the process of ground problem is, not only directly affects the cost of building, and directly affect the safety of building, is related to the quality of whole engineering, investment and progress, and therefore its importance is by people's pay abundant attention.
At present, for the engineering such as work people construction work ﹑ bridge engineering and subterranean excavation excavation of the coastal region in east China, when the bottom soil body is the special soils such as water content is high, intensity is low, compressibilty is higher, a large amount of miscellaneous fill humus soils of gluing property of Muddy Bottoms opaque soil ﹑, bored pile is usually adopted to support superstructure.This stake can meet construction needs to a certain extent, but its difficulty of construction is larger.As needed multiple stage auger and a large amount of different bore steel sleeve, have very large restriction to stake footpath, the making of reinforcing cage more bothers, and extremely yielding ﹑ conjugates, and in concrete perfusion process, is difficult to control.Reinforcing cage very easily floats when concreting, has a strong impact on workmanship.Therefore, in Building Construction, because pile foundation construction progress is too slow, has had a strong impact on the progress of whole construction work, improve construction cost.Therefore, just ﹑ construction is simple to be necessary to design a kind of system work side, can save the Novel pile basis of construction cost.
Summary of the invention
Technical problem to be solved in the utility model is to provide and a kind ofly can improves the enabling capabilities of the soil body to stake, not only save material, alleviate the deadweight of pile body, and increase the contact area of pile body and the soil body, improve the Lateral resisting ability of stake, the Zhi Fang of work Bian ﹑ construction is simultaneously simple, is applicable to the spill tooth pile tube of southeastern coast soft clay area.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of spill tooth pile tube, comprise the reverse frustoconic Zhuan Ti ﹑ cylindrical shape pile body and pile top that coaxially connect successively from top to bottom, described cylindrical shape pile body is evenly equipped with several teeth caved inward along stake length direction.
Distance between the longitudinally adjacent teeth described in two equals or slightly larger than the twice of described cylindrical shape pile body diameter, the distribution number of described teeth on the cross section of described cylindrical shape pile body is 3-5.This design makes the teeth of each layer to work alone, and its end load is not fully exerted, and effectively improves cylinder stake total bearing capacity.
Described teeth are semielliptical shape teeth.The shaped form outline of these semielliptical shape teeth is when resisting the pressure of soil body surrounding, and each stressed comparatively even, makes the overall stress balance of stake, can avoid pile body that the situations such as Shi Wei ﹑ sidesway occur.
Described teeth are conical teeth.The taper crown of conical teeth can firmly insert in soil layer, effectively can improve the Lateral resisting ability of stake.
Described teeth are prismatic table shape teeth.The contact area that these prismatic table shape teeth make pile body and the soil body is comparatively large, and then frictional force between pile body and the soil body is comparatively large, and the stability of stake is better, and the bulk strength of pile body can better be played.
The inner side of described cylindrical shape pile body is provided with the profile iron sleeve identical with cylindrical shape pile body global shape, and the inner side of described profile iron sleeve is provided with cylindrical shape steel bushing.Steel bushing is conducive to the intensity strengthening teeth, improves overall Qiang Du ﹑ rigidity and the bending resistance of cylinder stake.
The thickness of described profile iron sleeve and described cylindrical shape steel bushing is 10-20mm.
Described cylindrical shape pile body is distributed with spiral stirrup along stake length direction, described spiral stirrup inner surface even circumferential is distributed with stressed vertical muscle, in the reverse frustoconic pile body described in the insertion of upper end of the stressed vertical muscle of described cylindrical shape pile body, the mode that the stressed vertical muscle of described cylindrical shape pile body and the stressed vertical muscle of described reverse frustoconic pile body are overlapped by colligation or weld is connected.
The described cylindrical shape pile body described in reverse frustoconic Zhuan Ti ﹑ and described pile top all adopt UHPC material to build and form.The cracking resistance that UHPC material is good ensures that inner reinforcing bar is from corrosion, improves the durability of spill tooth cylinder stake.
Compared with prior art, the utility model has the advantage of: a kind of spill tooth of the utility model pile tube, comprise the reverse frustoconic Zhuan Ti ﹑ cylindrical shape pile body and pile top that coaxially connect successively from top to bottom, cylindrical shape pile body is evenly equipped with several teeth caved inward along stake length direction, this spill tooth pile tube adopts variable cross-section pile body, by changing the cross sectional shape of pile body, make pile body stressed more reasonable, the potential bearing capacity of the soil layer that simultaneously fully undermines; Top reverse frustoconic pile body is up big and down small, increases the contact area of oil and pile body, is conducive to improving the soil body to the enabling capabilities of stake, avoids pile body to sink, and has cushioning effect.The teeth caved inward can save material on the one hand, alleviate the deadweight of pile body, are conducive to being engaged between pile body with the soil body on the other hand, increase the contact area of pile body and the soil body, improve the Lateral resisting ability of stake.Ultra-high performance concrete UHPC material light weight, there is the compressive strength of superelevation, higher tensile strength, larger ultimate tensile strength and good crack resistance can reduce pile body and produce the probability in crack because of the tensile stress continued, can not because of hammer force is comparatively large or when passing through hard soil layer internal compressive stress excessive and destroy; Recessed profile of tooth pile tube also can be made in addition to possess the advantages such as good prolonging property ﹑ fatigue resistance, there is good engineering and should have prospect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one spill tooth pile tube;
Fig. 2 is the vertical section structure schematic diagram of the utility model embodiment one spill tooth pile tube;
Fig. 3 is the cross-sectional structure schematic diagram of the utility model embodiment one spill tooth pile tube;
Fig. 4 is the vertical section structure schematic diagram of the utility model embodiment two spill tooth pile tube;
Fig. 5 is the cross-sectional structure schematic diagram of the utility model embodiment two spill tooth pile tube;
Fig. 6 is the vertical section structure schematic diagram of the utility model embodiment three spill tooth pile tube;
Fig. 7 is the cross-sectional structure schematic diagram of the utility model embodiment three spill tooth pile tube.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Embodiment one
A kind of spill tooth pile tube, as shown in Figure 1, comprise the reverse frustoconic pile body 1 ﹑ cylindrical shape pile body 2 and pile top 3 that coaxially connect successively from top to bottom, cylindrical shape pile body 2 is evenly equipped with several teeth 4 caved inward along stake length direction.Distance between two longitudinally adjacent teeth 4 equals or slightly larger than the twice of cylindrical shape pile body 2 diameter, the distribution number of teeth 4 on the cross section of cylindrical shape pile body 2 be 4 (or 3 or 5, what show in Fig. 3 is 4).
In this particular embodiment, as shown in Figures 2 and 3, teeth 4 are semielliptical shape teeth.The inner side of cylindrical shape pile body 2 is provided with the profile iron sleeve 5 identical with cylindrical shape pile body 2 shape, and the inner side of profile iron sleeve 5 is provided with cylindrical shape steel bushing 6.Profile iron sleeve 5 is 10-20mm with the thickness of cylindrical shape steel bushing 6.Cylindrical shape pile body 2 is distributed with spiral stirrup (not shown) along stake length direction, spiral stirrup inner surface even circumferential is distributed with stressed vertical muscle (not shown), the upper end of the stressed vertical muscle of cylindrical shape pile body 2 is inserted in reverse frustoconic pile body 1, and the mode that the stressed vertical muscle of cylindrical shape pile body 2 and the stressed vertical muscle of reverse frustoconic pile body 1 are overlapped by colligation or weld is connected.Reverse frustoconic pile body 1 ﹑ cylindrical shape pile body 2 and pile top 3 all adopt UHPC material to build and form.
Embodiment two
Basic with above-described embodiment 1, as shown in Figure 4 and Figure 5, its difference is: teeth 4 are conical teeth.
Embodiment three
Basic with above-described embodiment 1, as shown in Figure 6 and Figure 7, its difference is: teeth 4 are prismatic table shape teeth.These prismatic table shape teeth can be Rhizoma Sparganii platform, truncated rectangular pyramids or six terrace with edges etc.
Construction technology
This spill tooth tube pile construction adopts the construction technology of weight piling, and its Specific construction program is as follows:
1. first select suitable pile monkey.According to soil property, the difference of the conditions such as the underground length of meteorology and stake, and the heavy tamping energy of satisfied stake can overcome the penetration resistance of stake, comprises the energy loss etc. overcoming pile top Zu Li ﹑ pile side friction and rebound of a pile generation and selects.
2. squeeze in process the angle revising stake more difficult, should correctly lay time therefore in place.To lay gently during beginning, have deviation to correct in time if conscientiously check, will extract if desired and beat again.
If 3. soil layer is softer, for deflection when preventing first strike is comparatively large, should carry low weight, tip-tap pile crown, along with pile sinking is deepened, heavy speed slows down, and playing hammer height can be cumulative.In whole piling process, pile monkey, pile body be made to keep on the same axis as far as possible.Note not making pile tube be subject to eccentric hammering, in order to avoid pile tube is by curved tension as far as possible.Drive piles more difficult sinking time, check drop hammer eccentric with or without inclination.Every pile should once have been beaten continuously, avoidance breakout.
Above-described embodiment further illustrates of the present utility model, but protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. a spill tooth pile tube, is characterized in that: comprise the reverse frustoconic stake body ﹑ cylindrical shape pile body and pile top that coaxially connect successively from top to bottom, described cylindrical shape pile body is evenly equipped with several teeth caved inward along stake length direction.
2. a kind of spill tooth pile tube according to claim 1, it is characterized in that: the distance between the longitudinally adjacent teeth described in two equals or slightly larger than the twice of described cylindrical shape pile body diameter, the distribution number of described teeth on the cross section of described cylindrical shape pile body is 3-5.
3. a kind of spill tooth pile tube according to claim 2, is characterized in that: described teeth are semielliptical shape teeth.
4. a kind of spill tooth pile tube according to claim 2, is characterized in that: described teeth are conical teeth.
5. according to claim 2 a kind of spill tooth pile tube, it is characterized in that: described teeth are prismatic table shape teeth.
6. a kind of spill tooth pile tube according to any one of claim 1-5, it is characterized in that: the inner side of described cylindrical shape pile body is provided with the profile iron sleeve identical with cylindrical shape pile body global shape, and the inner side of described profile iron sleeve is provided with cylindrical shape steel bushing.
7. a kind of spill tooth pile tube according to claim 6, is characterized in that: the thickness of described profile iron sleeve and described cylindrical shape steel bushing is 10-20mm.
8. a kind of spill tooth pile tube according to claim 7, it is characterized in that: described cylindrical shape pile body is distributed with spiral stirrup along stake length direction, described spiral stirrup inner surface even circumferential is distributed with stressed vertical muscle, in the reverse frustoconic pile body described in the insertion of upper end of the stressed vertical muscle of described cylindrical shape pile body, the mode that the stressed vertical muscle of described cylindrical shape pile body and the stressed vertical muscle of described reverse frustoconic pile body are overlapped by colligation or weld is connected.
9. a kind of spill tooth pile tube according to claim 8, is characterized in that: the described cylindrical shape pile body described in reverse frustoconic Zhuan Ti ﹑ and described pile top all adopt UHPC material to build and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194893.8U CN204570674U (en) | 2015-04-02 | 2015-04-02 | A kind of spill tooth pile tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520194893.8U CN204570674U (en) | 2015-04-02 | 2015-04-02 | A kind of spill tooth pile tube |
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| CN204570674U true CN204570674U (en) | 2015-08-19 |
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| CN201520194893.8U Expired - Fee Related CN204570674U (en) | 2015-04-02 | 2015-04-02 | A kind of spill tooth pile tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401571A (en) * | 2015-12-17 | 2016-03-16 | 中冶沈勘工程技术有限公司 | Precast post-grouting special-shaped root pile and construction method thereof |
| CN108222254A (en) * | 2018-02-09 | 2018-06-29 | 王承辉 | Imitative bamboo structure steel pipe and the precast floor slab containing this steel pipe |
-
2015
- 2015-04-02 CN CN201520194893.8U patent/CN204570674U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105401571A (en) * | 2015-12-17 | 2016-03-16 | 中冶沈勘工程技术有限公司 | Precast post-grouting special-shaped root pile and construction method thereof |
| CN108222254A (en) * | 2018-02-09 | 2018-06-29 | 王承辉 | Imitative bamboo structure steel pipe and the precast floor slab containing this steel pipe |
| CN108222254B (en) * | 2018-02-09 | 2023-09-15 | 王承辉 | Bamboo-like structural steel pipe and prefabricated floor slab containing same |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20180402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |