CN203096735U - Reinforced concrete tube for rotary excavating pile shell - Google Patents
Reinforced concrete tube for rotary excavating pile shell Download PDFInfo
- Publication number
- CN203096735U CN203096735U CN 201320113627 CN201320113627U CN203096735U CN 203096735 U CN203096735 U CN 203096735U CN 201320113627 CN201320113627 CN 201320113627 CN 201320113627 U CN201320113627 U CN 201320113627U CN 203096735 U CN203096735 U CN 203096735U
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- reinforced concrete
- stake
- tube
- concrete pipe
- revolve
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Abstract
The utility model discloses a reinforced concrete tube for a rotary excavating pile shell. The reinforced concrete tube comprises a tube body, wherein a plurality of longitudinal ribs and a plurality of hoopings. The reinforced concrete tube is characterized in that connecting portions at two ends of the tube body or a connecting portion at one end of the tube body is provided with a steel bar connecting structure used for positioning and connecting two adjacent tube bodies to be of an integrated structure. According to the reinforced concrete tube for the rotary excavating pile shell, the fact that two adjacent reinforced concrete tubes are accurately positioned in the vertical direction can be guaranteed, and after concrete is poured into the reinforced concrete tubes, the steel bar connecting structure can connect and reinforce the two adjacent reinforced concrete tubes. A columnar section of the reinforced concrete tube is arranged between the two adjacent tube bodies, and not only is structural strength of the two adjacent reinforced concrete tubes after the concrete is poured into the tube bodies guaranteed, but also positioning and connection between an upper reinforced concrete tube and a lower reinforced concrete tube are convenient.
Description
Technical field
The utility model relates to a kind of reinforced concrete pipe that digs stake stake shell structure that is used to revolve, and belongs to the foundation pile member field of building.
Background technology
In the foundation pile construction process of highway, railway, bridge and heavy construction, foundation pile construction method revolving from traditional hand digging to machinery dug pile driving construction, experienced the process of continuous technological innovation.Hand digging is adopted in the conventional piles hole, in the bottom of hand excavated pile enlarged, be called the manually digging hole expanded bore pile, this class stake does not need large-scale plant because its stress performance is reliable, and construction manipulation process is simple, can directly check a bed rock soil layer situation, the bearing capacity of single pile height, non-environmental-pollution is so use comparatively general in various places.But, there is following deficiency in such hole: labour intensity is bigger in the borehole, the single pile speed of application is slower, especially safety is relatively poor, dangerous situations such as landslide appear easily, when the gas that has the humus deposits yields in the soil layer spilt in the hole, bottom, stake hole also can deposit a large amount of toxic gases, brings potential safety hazard to construction safety.
Further, in order to overcome above-mentioned deficiency, revolve and dig a technology and find broad application, what is called is revolved and is dug stake, promptly by the stake type of rotary drilling rig construction, the full name rotary digging drilling hole bored concrete pile, be called for short to revolve on the engineering and dig stake, owing to use mechanical work, less demanding to workman's number, can save very big labour cost, so be widely used in the foundation pile construction of highway, railway, bridge and heavy construction.Adopting the rotary drilling rig pore-forming, at first is to turn round broken ground by the bucket formula drill bit that the bottom has a valve, and in the drilling bucket of directly it being packed into, and then drilling bucket is proposed to unload outside the hole soil by rig lifting appliance and telescopic drill rod, move in circles like this, constantly fetch earth and unload soil, until drilling to completion.For loose caving ground, or have underground water to distribute, the hole wall instability must adopt the static mud protecting wall drilling process, and input slurry coat method or stabilizing solution are carried out retaining wall in the hole.
But, there is following drawback in the existing technology of digging of revolving (especially stake top, hole is loosen the soil layer (back fill course), the bottom is a lithosphere): one, when upper strata, stake hole has backfill etc. and loosens the soil layer, dig when carrying out concreting in the hole revolving, along with the vibrations in the process of building, the part in the layer that loosens the soil is loosened the soil and can be fallen in the concrete pile body, brings hidden danger for the quality of stake; Its two, can't remove and revolve a soft formation that digs bottom, hole, make it to reach engineering specification (bottom, stake hole soft formation thickness is less than 5cm).
Dig the drawback that stake exists in conjunction with revolving, the applicant has proposed preferable solution, that is: revolve dig a hole forming after, in the bottom reinforcing cage is set, the length of reinforcing cage is less than the thickness of lithosphere, reinforcing cage top is provided with the steel bar concrete straight length, is provided with ring-type falling stop structure in steel bar concrete straight length lower end.But this scheme does not solve reinforced concrete pipe assembling insufficient strength, and the problem of installing and transporting difficulty.
The utility model content
Reinforced concrete pipe at being used to revolve the long-pending native falling stop matched with devices of digging a hole solves its bulk strength, and exist to install and the problem of transportation difficulty, and what the utility model provided a kind of special use is used to revolve a reinforced concrete pipe that digs stake stake shell structure.
Solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind ofly be used to revolve a reinforced concrete pipe that digs stake stake shell structure, it is characterized in that, comprise body, described body contains some vertical muscle and some stirrups, and described body both ends or one end connecting portion is provided with the steel bar connecting structure that is used for the two adjacent body location and the formula structure that links into an integrated entity.
Described steel bar connecting structure is the socket mode, is provided with the bulge loop section at an end of body, is provided with the socket section that cooperates with described bulge loop section at the other end of body; Described bulge loop section is made up of the stirrup of some vertically arranged main muscle and circumferential arrangement.
Further, the upper end of described bulge loop section also is provided with closing in taper section, and described closing in taper section is made of the some main muscle that are in tilted layout and the stirrup of some circumferential arrangement.Optimization and improvement by structure the operability of butt joint, convenient guiding butt joint.
Further, described steel bar connecting structure also can be docking mode,, is docked by sleeve along the tube wall spiro rod section that stretches out respectively at the two ends of body.Enable to satisfy bulk strength, and convenient the installation.
Compared to existing technology, the utlity model has following beneficial effect:
1, the utility model can guarantee accurately to locate in vertical direction two adjacent reinforced concrete pipes by socket or docking mode, the structural strength of two adjacent reinforced concrete pipes behind the concreting in the assurance body, behind the concrete perfusion, two adjacent reinforced concrete pipes form higher bulk strength structure in reinforced concrete pipe.
2, on the other hand, can also between two or more reinforced concrete pipes, position when connecting, convenient, quick.
3, the utility model steel bar connecting structure is hollow form, revolve dig install reinforced concrete pipe in the hole after, be convenient in reinforced concrete pipe, to put into water delivery pump line and the cleaning of suction pump line and revolve and dig a soft formation such as loose slag, mud and precipitation of bottom, hole.
Description of drawings
Fig. 1 is that revolving of relating to of the utility model dug a stake stake shell structure schematic diagram.
Fig. 2 is the structural representation that the utility model is used to revolve the reinforced concrete pipe embodiment 1 that digs stake stake shell structure.
Fig. 3 is the package assembly schematic diagram that the utility model is used to revolve the reinforced concrete pipe embodiment 1 that digs stake stake shell structure.
Fig. 4 is the package assembly schematic diagram that the utility model is used to revolve the reinforced concrete pipe embodiment 2 that digs stake stake shell structure.
Fig. 5 is the structural representation of docking mode among the embodiment 2.
Fig. 6 is another structural representation of docking mode among the embodiment 2.
The specific embodiment
Below in conjunction with the specific embodiment and accompanying drawing, the utility model is described in further detail.
Embodiment 1:(is referring to Fig. 2-Fig. 3), a kind ofly be used to revolve a reinforced concrete pipe that digs stake stake shell structure, comprise body 1, described body 1 contains some vertical muscle 11 and some stirrups 12, and described body 1 both ends or one end connecting portion is provided with the steel bar connecting structure that is used for the two adjacent body location and the formula structure that links into an integrated entity.Described steel bar connecting structure is the socket mode; End at body 1 is provided with bulge loop section 411, is provided with the socket section that cooperates with described bulge loop section 411 at the other end of body 1; Described bulge loop section 411 is made up of the stirrup of some vertically arranged main muscle and circumferential arrangement.
In order to improve the operability of butt joint, convenient guiding is docked, and the upper end of described bulge loop section 411 also is provided with closing in taper section 412, and described closing in taper section 412 is made of the some main muscle that are in tilted layout and the stirrup of some circumferential arrangement.
Referring to Fig. 1, the utility model is used for revolving and digs a stake stake shell structure, and this revolves and digs a stake stake shell structure and comprise reinforcing cage 3, and reinforcing cage 3 can adopt reinforcing cage of the prior art.Be furnished with the straight length of being made by steel bar concrete 1 at reinforcing cage 3 one ends (upper end), straight length 1 one ends (lower end) are affixed with reinforcing cage 3 one ends (upper end).In the utility model, straight length 1 is spliced by some reinforced concrete pipes, and its concrete structure inventor has applied for patent of invention simultaneously.The affixed mode of each reinforced concrete pipe adopts the main muscle in the reinforced concrete pipe to have the extension at pipe end, connects by socket or docking mode between the main muscle of adjacent tubes.
Dig in the stake stake shell structure above-mentioned revolving, for the ease of installing and transportation, straight length adopts isometric or not isometric reinforced concrete pipe splicing (affixed) to form.Described bulge loop section 411 is located between two adjacent bodys, not only guarantees in the body structural strength of two adjacent reinforced concrete pipes behind the concreting, and is convenient when reinforced concrete pipe and below reinforced concrete pipe position and be connected up.Bulge loop section 411 all is hollow form with closing in taper section 412, after helping reinforced concrete pipe and installing, adopts facility such as pump to remove to revolve for next step and digs a soft formation soil of bottom, hole and facilitate.
The utility model mounting method is as follows: at first sink to one section reinforced concrete pipe in the stake hole, have the steel bar connecting structure end up (the column section in the reinforced concrete pipe below, the taper section up), during reinforced concrete pipe above lifting is positioned at, the top reinforced concrete pipe can be realized align (the realizing two adjacent reinforced concrete pipe coaxial arrangement in vertical direction) of upper and lower reinforced concrete pipe automatically along the track of closing in taper section and column section, repeats this process successively and be the sliceable straight length that stake stake shell structure is dug in suitable revolving that goes out.
Embodiment 2:(is referring to Fig. 4-Fig. 6), as different from Example 1, described steel bar connecting structure is a docking mode; , dock along the tube wall spiro rod section 421,422 that stretches out respectively at the two ends of body 1 by sleeve 423.
In the present embodiment, two adjacent bodys need when affixed, the extension is aimed at mutually up and down one to one, to pre-fix then in the sleeve of last/following extension toward rightabout and screw, one to one up and down the junction (gap) of extension be positioned at sleeve promptly realizes one to one about the extension fixedly connected.
For in the process of building between pipe the junction do not leak concrete, can one ring flat-plate 62 be set in straight length junction external circumferential, at the pre-buried some bolts 61 of straight length end periphery, ring flat-plate 62 is fixed on the bolt.The junction is non-sealing state (have the space, concrete can overflow from this space in the process of building) when between pipe, all can adopt said structure to prevent concrete overflowing.Steel bar connecting structure in the present embodiment is arranged on the two ends of body.
The syndeton that it is pointed out that reinforced concrete pipe is except above-mentioned implementation, and all multimodes (steel bar connecting structure enumerated of this section all is arranged on the two ends of body) can also be arranged.But it is all more convenient rationally and have an operability not as mode described in the utility model.For example, pier nose connects, and promptly pier nose is carried out in the end of the upper and lower extension that has of the vertical muscle in straight length, then the pier nose of adjacent steel bar concrete tube end is carried out corresponding one by one colligation and connects; Peg connects, that is, the vertical muscle in the straight length has upper and lower extension, and the upper and lower extension of two adjacent reinforced concrete pipes is corresponding one by one adopts peg to connect; Colligation connects, that is, the vertical muscle in the straight length has upper and lower extension, and the colligation connection is carried out in the upper and lower extension of two adjacent reinforced concrete pipes correspondence one by one.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. one kind is used to revolve the reinforced concrete pipe that digs stake stake shell structure, it is characterized in that, comprise body (1), described body (1) contains some vertical muscle (11) and some stirrups (12), and described body (1) both ends or one end connecting portion is provided with the steel bar connecting structure that is used for the two adjacent body location and the formula structure that links into an integrated entity.
2. according to claim 1ly be used to revolve a reinforced concrete pipe that digs stake stake shell structure, it is characterized in that described steel bar connecting structure is the socket mode; End at body (1) is provided with bulge loop section (411), is provided with the socket section that cooperates with described bulge loop section (411) at the other end of body (1); Described bulge loop section (411) is made up of the stirrup of some vertically arranged main muscle and circumferential arrangement.
3. according to claim 1ly be used to revolve a reinforced concrete pipe that digs stake stake shell structure, it is characterized in that described steel bar connecting structure is a docking mode; , dock along the tube wall spiro rod section (421,422) that stretches out respectively at the two ends of body (1) by sleeve (423).
4. according to claim 2ly be used to revolve a reinforced concrete pipe that digs stake stake shell structure, it is characterized in that, the upper end of described bulge loop section (411) also is provided with closing in taper section (412), and described closing in taper section (412) is made of the some main muscle that are in tilted layout and the stirrup of some circumferential arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113627 CN203096735U (en) | 2013-03-13 | 2013-03-13 | Reinforced concrete tube for rotary excavating pile shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113627 CN203096735U (en) | 2013-03-13 | 2013-03-13 | Reinforced concrete tube for rotary excavating pile shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203096735U true CN203096735U (en) | 2013-07-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320113627 Withdrawn - After Issue CN203096735U (en) | 2013-03-13 | 2013-03-13 | Reinforced concrete tube for rotary excavating pile shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203096735U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103982A (en) * | 2013-03-13 | 2013-05-15 | 中冶建工集团有限公司 | Reinforced concrete pipe for structure of rotatablely excavated pile shell |
-
2013
- 2013-03-13 CN CN 201320113627 patent/CN203096735U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103103982A (en) * | 2013-03-13 | 2013-05-15 | 中冶建工集团有限公司 | Reinforced concrete pipe for structure of rotatablely excavated pile shell |
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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: 20130731 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |