CN202416335U - Expansion pier structure - Google Patents
Expansion pier structure Download PDFInfo
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- CN202416335U CN202416335U CN2012200285958U CN201220028595U CN202416335U CN 202416335 U CN202416335 U CN 202416335U CN 2012200285958 U CN2012200285958 U CN 2012200285958U CN 201220028595 U CN201220028595 U CN 201220028595U CN 202416335 U CN202416335 U CN 202416335U
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Abstract
The utility model relates to the field of construction projects and particularly relates to an expansion pier structure which is capable of realizing effective support with a simple structure. The expansion pier structure comprises a main body structure I, an upper cage structure, a lower cage structure, a main body structure II and an equipment connection structure, wherein the main body structure I comprises an expansion table protruding upwards from the bottom of a foundation pit; the upper cage structure comprises a plurality of parallel upper anchor rods, a protecting jacket is sleeved on each upper anchor rod, the lower ends of the upper anchor rods are arranged on a fixed ring of the expansion table, and the upper anchor rods are distributed and fastened along the circumference of the fixed ring; the lower cage structure surrounds the upper cage structure and comprises a plurality of parallel lower anchor rods, at least part of the lower cage structure is lower than the upper cage structure, a protecting jacket is sleeved on each lower anchor rod, the lower ends of the lower anchor rods are fastened to the bottom of the foundation pit or the main structure I, and the lower anchor rods are connected with the corresponding upper anchor rods by virtue of connection pieces between cages; the main body structure II is arranged in the upper and lower cage structures, between the upper and lower cage structures and the inner wall of the foundation pit and between the upper or lower anchor rods or the connection pieces between the cages to fasten the upper and lower cage structures in the foundation pit, a bearing table with a strengthening part is arranged on the top of the main body structure II, the upper anchor rods are fixed on the bearing table, and the upper ends of the upper anchor rods penetrate out of the strengthening part; and the equipment connection structure is arranged on the strengthening part.
Description
Technical field
The utility model relates to building engineering field, particularly relates to a kind of expansion pier structure.
Background technology
In the ordinary concrete pier base, concrete need bear pressure load, and the reinforcing rib that it comprised (reinforcing bar) need bear tension load.Usually use anchor pole/crab-bolt just for braced structures is connected on the basis.Crab-bolt is placed in reinforcing rib (reinforcing bar) matrix or the sleeve usually, and in the top and the bottom of each crab-bolt movably template and independent anchor slab is installed respectively, prevents that crab-bolt is drawn out.Whole module is that concreting forms.Move through the deadweight opposing power of toppling usually on the tradition basis.
In addition, when the pier base bore the load of its braced structures generation, tension force and pressure load that the pier base bears constantly changed; In crab-bolt anchor slab junction, according to different effects power on the braced structures, staggered pressure load or the tension load of bearing of concrete.The tension load that is produced by the braced structures overturning moment act near the pier base top through crab-bolt, and tension force is born on the most of basis below the guarantee effect point.In general, large foundation need consume a large amount of reinforcing bars and a large amount of concrete encases reinforcing bar.And needing a large amount of labours to assemble rebar matrix, fill concrete reaches fixedly crab-bolt in the basis.General base for post also requires to use large-scale auger excavation hole.
The utility model content
The embodiment of the utility model provides the expansion pier structure, can realize effectively supporting with simple structure.
An aspect according to the utility model provides a kind of expansion pier structure, and it is arranged in the foundation ditch, and it comprises:
Agent structure, it comprises from the expansion platform of foundation ditch bottom epirelief;
Last basket structure comprises a plurality of parallel last anchor poles, and anchor pole is with protective sleeve and circumferentially distributes fastening in the retainer ring upper edge that is installed on said expansion platform with the lower end respectively on each;
Following basket structure; Around also being lower than the said basket structure of going up at least in part; Comprise a plurality of parallel following anchor poles, each down anchor pole be with protective sleeve and be fastened to foundation ditch bottom or said agent structure and be connected to the corresponding anchor pole of going up through connector between at least one cage with the lower end;
Agent structure; It is arranged within the said upper and lower basket structure and and the foundation ditch inwall between and between said upper and lower anchor pole or said cage between the connector so that said upper and lower basket structure is fastened in the foundation ditch; The top of said agent structure is provided with has the cushion cap that strengthens part, and the said anchor pole of going up is fixed to said cushion cap and passes said enhancing part with the upper end;
Equipment connection structure, it is installed on the said enhancing part.
Preferably, in each embodiment of the utility model, described expansion pier structure further comprises at least a in following:
Support tube in going up, it is in said going up within the basket structure, and has bellows wall;
Go up outer support tube, it is in said going up between basket structure and the foundation pit side-wall, and has bellows wall;
Support tube down, it is within the said basket structure down, and has bellows wall;
Following outer support tube, it is between said basket structure down and the foundation pit side-wall, and has bellows wall.
Preferably, in each embodiment of the utility model,
The expansion strength bar that connector is integrated into broken line shape between said down anchor pole and corresponding cage;
And/or
The said lower end of anchor down is connected to said down interior support tube and/or following outer support tube;
And/or
Between at least one cage connector be connected to support tube in said go up, go up outer support tube, down at least a in the support tube, following outer support tube.
Preferably, in each embodiment of the utility model, described expansion pier structure further comprises:
Fixed connecting piece; It is connected support tube in said go up, go up outer support tube, down in support tube, down outer support tube, upward between at least two kinds in basket structure, the following basket structure; And/or be connected saidly go up anchor pole, down between anchor pole, cage between at least two kinds in the connector; And/or be connected between the adjacent last anchor pole, and/or be connected between the adjacent following anchor pole, and/or be connected between adjacent cage between the connector.
Preferably, in each embodiment of the utility model,
The said anchor pole of going up is fixed between said retainer ring and the said equipment connection structure to pass on it outside said equipment connection structure and with pre-tensile stress;
And/or
Said agent structure is included in part between the cage between the said upper and lower basket structure, between said down anchor pole is fixed between foundation ditch bottom and said cage partly with pre-tensile stress.
Preferably, in each embodiment of the utility model,
More than the big 5mm of external diameter of the internal diameter of said protective sleeve than said upward anchor pole and/or following anchor pole; And/or
The upper end of anchor pole is with protective cap on each; And/or
The protective sleeve of anchor pole is totally-enclosed protective sleeve under each; And/or
Said lower end of going up anchor pole is connected to said retainer ring through machined threads; And/or
Said top or upper end of going up anchor pole is connected to said cushion cap through machined threads; And/or
Said upper end of going up anchor pole is connected to said equipment connection structure through machined threads; And/or
Comprise reinforcing bar in the said cushion cap; And/or
Said cushion cap has radially the outwards inclined-plane and/or the guide groove of declivity.
Preferably, in each embodiment of the utility model, said enhancing part is arranged in the cannelure on the said cushion cap.
Preferably, in each embodiment of the utility model, has chamfering on the cell wall of said cannelure.
Preferably, in each embodiment of the utility model,
A plurality of said basket structures of going up are nested with each other, and a plurality of said retainer rings are nested with each other, and a plurality of anchor poles of going up of basket structure circumferentially distribute fastening with its lower end on each in single retainer ring upper edge;
And/or
A plurality of said basket structures down are nested with each other, and a plurality of anchor poles down of basket structure are fastening along circumferentially distributing with the single round track of its lower end edge under each.
The expansion pier structure that each embodiment through the utility model provides can be realized effectively supporting with simple structure.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; Below will discuss the accompanying drawing of required use in embodiment or the description of the Prior Art; Obviously, only be some embodiment of the utility model in the technical scheme that combines accompanying drawing to describe, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other embodiment and accompanying drawing thereof according to these accompanying drawing illustrated embodiments.
Fig. 1 is the sketch map according to the expansion pier structure of first embodiment of the utility model.
Fig. 2 is the sketch map according to the expansion pier structure of second embodiment of the utility model.
Each parts/part is in the accompanying drawings represented through following Reference numeral:
1, cushion cap inclined-plane
2, cushion cap
3, strengthen part
4, reinforcing bar
5, undisturbed soil structure
6, low-strength concrete or mortar structure
7, retainer ring
8, following outer support tube
9, down interior support tube
10, go up protective sleeve
11, go up anchor pole
12, nut
13, pad
14, half-nut
15, High Strength Concrete Structures
16, fixing stirrup
17, concrete leveling face
18, penetration pipe
19, fixed connecting piece
20, equipment adpting flange
21, protective cap
23, end flange
24, following anchor pole
25, connector between cage
The specific embodiment
Below will combine accompanying drawing that the technical scheme of each embodiment of the utility model is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the utility model, rather than whole embodiment.Based on the embodiment described in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite that does not need creative work, all in the scope that the utility model is protected.
An aspect according to the utility model provides a kind of expansion pier structure, and it is arranged in the foundation ditch, and it comprises:
Agent structure, it comprises from the expansion platform of foundation ditch bottom epirelief;
Last basket structure comprises a plurality of parallel last anchor poles, and anchor pole is with protective sleeve and circumferentially distributes fastening in the retainer ring upper edge that is installed on said expansion platform with the lower end respectively on each;
Following basket structure; Around also being lower than the said basket structure of going up at least in part; Comprise a plurality of parallel following anchor poles, each down anchor pole be with protective sleeve and be fastened to foundation ditch bottom or said agent structure and be connected to the corresponding anchor pole of going up through connector between at least one cage with the lower end;
Agent structure; It is arranged within the said upper and lower basket structure and and the foundation ditch inwall between and between said upper and lower anchor pole or said cage between the connector so that said upper and lower basket structure is fastened in the foundation ditch; The top of said agent structure is provided with has the cushion cap that strengthens part, and the said anchor pole of going up is fixed to said cushion cap and passes said enhancing part with the upper end;
Equipment connection structure, it is installed on the said enhancing part.
Like this; Agent structure is placed in the foundation ditch and upper and lower basket structure is comprised and is anchored on wherein; A plurality of go up anchor poles vertically (above-below direction) extend and form the effect that the last basket structure that strengthens plays supplemental support; And a plurality of down anchor poles (above-below direction) vertically extend and form the effect that the following basket structure that strengthens plays supplemental support; Following basket structure is around last basket structure and at least in part under last basket structure, thereby the expansion enhancing structure (in Fig. 1, being shown as the dish type expansion) that extends radially outward in formation below the last basket structure is placed in equipment or structure on the cushion cap thereby support through equipment bindiny mechanism with agent structure.
Should understand; Agent structure can be passed through curable materials (for example concrete) and form; It is filled under fluid state in the whole foundation ditch and with each ingredient in the foundation ditch (for example; Retainer ring and upper and lower basket structure) surround, and after solidifying, each ingredient in the foundation ditch is secured together and forms the overall structure (that is described expansion pier structure) of an entity.
Utilize that connector can be connected to integral body with the last basket structure of radially inner side and the following basket structure of radial outside between cage; Thereby between upper and lower basket structure, form the dish type expansion; Make the load of above last basket structure, bearing to be distributed to basket structure down through the expansion of dish type expansion; Thereby make down basket structure play the supplemental support effect, make said expansion pier structure can bear the higher power of toppling.
Upper and lower protective sleeve is set avoids the corrosion of agent structure material (for example concrete) to protect upper and lower anchor pole.
Equipment connection structure (for example equipment adpting flange) is installed on the enhancing part of agent structure; To prevent that gravity owing to institute's fastening from causing agent structure distortion even destruction and impaired; That is to say that the special enhancing that is provided with partly has than the higher compressive resistance of other part of agent structure.In one embodiment, said enhancing structure is through the concretionary entity structure of the closely knit slurry of high strength.
Fig. 1 is the sketch map according to the expansion pier structure of first embodiment of the utility model.
In the embodiment shown in fig. 1, the expansion pier structure comprises:
Agent structure, it comprises from the expansion platform of foundation ditch bottom epirelief;
Last basket structure comprises a plurality of parallel last anchor poles 11, and anchor pole 11 is with protective sleeve 10 and circumferentially distributes fastening in the retainer ring that is installed on said expansion platform 7 upper edges with the lower end respectively on each;
Following basket structure; Around also being lower than the said basket structure of going up at least in part; Comprise a plurality of parallel following anchor poles 24, each down anchor pole 24 be with protective sleeve and be fastened to foundation ditch bottom or said agent structure and be connected to the corresponding anchor pole 11 of going up through connector 25 between at least one cage with the lower end;
Agent structure; It is arranged within the said upper and lower basket structure and and the foundation ditch inwall between and between said upper and lower anchor pole 11,24 or said cage between the connector 25 so that said upper and lower basket structure is fastened in the foundation ditch; The top of said agent structure is provided with has the cushion cap 2 that strengthens part 3, and the said anchor pole 11 of going up is fixed to said cushion cap 2 and passes said enhancing part 3 with the upper end;
Equipment connection structure (for example the equipment adpting flange 20), it is installed on the said enhancing part 3.
Preferably, in each embodiment of the utility model, described expansion pier structure further comprises at least a in following:
Support tube in going up, it is in said going up within the basket structure, and has bellows wall;
Go up outer support tube, it is in said going up between basket structure and the foundation pit side-wall, and has bellows wall;
Support tube down, it is within the said basket structure down, and has bellows wall;
Following outer support tube, it is between said basket structure down and the foundation pit side-wall, and has bellows wall.
Like this, at least a through in the inside and outside up and down support tube of further setting can be played a supporting role with upper and lower basket structure and agent structure jointly.
In the embodiment shown in fig. 1, said expansion pier structure comprises interior support tube, goes up outer support tube, down interior support tube 9, outer support tube 8 down.
Preferably, in each embodiment of the utility model, the expansion strength bar (for example, as shown in Figure 2) that connector is integrated into broken line shape between said down anchor pole and corresponding cage.
Preferably, in each embodiment of the utility model, the said lower end of anchor down is connected to said down interior support tube and/or following outer support tube.
Preferably, in each embodiment of the utility model, between at least one cage connector be connected to support tube in said go up, go up outer support tube, down at least a in the support tube, following outer support tube.Can make between the upper and lower basket structure thus and form robust structure.
In the embodiment shown in Figure 2, connector 25 is connected to interior support tube and is connected to down outer support tube between cage.
Preferably, in each embodiment of the utility model, described expansion pier structure further comprises:
Fixed connecting piece; It is connected support tube in said go up, go up outer support tube, down in support tube, down outer support tube, upward between at least two kinds in basket structure, the following basket structure; And/or be connected saidly go up anchor pole, down between anchor pole, cage between at least two kinds in the connector; And/or be connected between the adjacent last anchor pole, and/or be connected between the adjacent following anchor pole, and/or be connected between adjacent cage between the connector.
Thus, between adjacent ingredient, fixed connecting piece is set, can constitutes frame construction on the whole, more help realizing supporting role.
In one embodiment, in last support tube and on outside the fixed connecting piece of rigidity is provided between the support tube, be rigidly connected realizing.In one embodiment, in down support tube with time outside the fixed connecting piece of rigidity is provided between the support tube, be rigidly connected with realization.
Preferably, in each embodiment of the utility model, the said anchor pole of going up is fixed between said retainer ring and the said equipment connection structure to pass on it outside said equipment connection structure and with pre-tensile stress.In this case, last anchor pole is along installing and fixing under the pre-tensile stress effect of its length direction (being above-below direction), thereby has stronger resistance to pressure when going up the weight of anchor pole fastening receiving.
Preferably, in each embodiment of the utility model, said agent structure is included in part between the cage between the said upper and lower basket structure, between said down anchor pole is fixed between foundation ditch bottom and said cage partly with pre-tensile stress.In this case, following anchor pole is along installing and fixing under the pre-tensile stress effect of its length direction (being above-below direction), thereby has stronger resistance to pressure during the weight of anchor pole fastening receiving down.
Preferably, in each embodiment of the utility model, more than the big 5mm of external diameter of the internal diameter of said protective sleeve than said upward anchor pole and/or following anchor pole.Like this, can make upper and lower anchor pole (particularly long anchor pole more than 8 meters) be easier to be installed in the upper and lower protective sleeve separately.
Preferably, in each embodiment of the utility model, the upper end of anchor pole is with protective cap (for example, shown in the parts 21 among each figure) on each.Protective cap can protect anchor pole upper end to avoid corroding, thereby eliminates or reduce and go up that anchor pole is corroded and the possibility destroyed.
Preferably, in each embodiment of the utility model, the protective sleeve of anchor pole is totally-enclosed protective sleeve under each.Because following anchor pole can be closed and be fastened in the agent structure, thereby adopts totally-enclosed protective sleeve can protect down anchor pole to avoid the corrosion of agent structure material (for example concrete).
Preferably, in each embodiment of the utility model, said lower end of going up anchor pole is connected to said retainer ring through machined threads.
Preferably, in each embodiment of the utility model, said top or upper end of going up anchor pole is connected to said cushion cap through machined threads.
Preferably, in each embodiment of the utility model, said upper end of going up anchor pole is connected to said equipment connection structure through machined threads.
In one embodiment, the said anchor pole mach continuous type circular arc screw thread capable of using of going up is realized connecting, and this can effectively reduce stress and concentrate.Further, the cooperation of screw bolt and nut (for example, shown in the parts 12 or 14 among each figure) that can be through having machined threads (for example non-rolled threaded) connects, to improve the anti-loosening property under low frequency double vibrations load.Preferably also can use pad (for example, shown in the parts 13 among each figure).
Preferably, in each embodiment of the utility model, comprise reinforcing bar (for example, shown in the parts 4 among each figure) in the said cushion cap.
Preferably, in each embodiment of the utility model, said cushion cap has radially the outwards inclined-plane of declivity (for example, shown in the parts 1 among each figure) and/or guide groove.Like this; Can in time guide water or other foreign matter along the inclined-plane or guide groove outwards leave from the cushion cap edge; Avoiding owing to cushion cap ponding or to gather the load that foreign matter increases the weight of said cylinder support pier, and can reduce water or foreign matter is invaded the possibility that causes erosion damage in the agent structure.
Preferably, in each embodiment of the utility model, said enhancing part is arranged in the cannelure on the said cushion cap.Should be understood that strengthening part can pass through curable materials (for example high-strength concrete) and form, it is filled in the cannelure also coagulation forming and forms entity structure under fluid state.In one embodiment, equipment coupling part (for example equipment adpting flange) is placed in this cannelure and does on the high strong strength self-compaction slurry.
Preferably, in each embodiment of the utility model, has chamfering on the cell wall of said cannelure.Should be understood that forming when strengthening part that this chamfering structure can reduce edge stress and concentrate through curable materials (for example high-strength concrete) being poured in the cannelure.
In one embodiment, stretch out from said cannelure said upper end of going up anchor pole, and be fixedly connected with equipment adpting flange in being placed in cannelure.
Preferably, in each embodiment of the utility model, a plurality of said basket structures of going up are nested with each other, and a plurality of said retainer rings are nested with each other, and a plurality of anchor poles of going up of basket structure circumferentially distribute fastening with its lower end on each in single retainer ring upper edge.Like this, can a plurality of upward basket structures and corresponding retainer ring be set according to the mode that is nested with each other (for example concentric circles mode), thereby further strengthen support function.
Preferably, in each embodiment of the utility model, a plurality of said basket structures down are nested with each other, and a plurality of anchor poles down of basket structure are fastening along circumferentially distributing with the single round track of its lower end edge under each.Like this, can a plurality of basket structures down be set according to the mode that is nested with each other (for example concentric circles mode), thereby further strengthen support function.
In one embodiment, agent structure is provided with penetration pipe (for example, shown in the parts 18 among each figure), and penetration pipe can be communicated with the cushion cap upper surface with the agent structure side.
In one embodiment, support tube (support tube and/or down interior support tube in going up) in the employing.In this case; The part (undisturbed soil structure 5 that example as seen in fig. 1) of filling undisturbed soil in interior support tube to form said agent structure, and fill high-strength concrete in the annular space between interior support tube outer wall and foundation ditch inwall so that basket structure (going up basket structure and/or following basket structure) is fixed the another part (High Strength Concrete Structures 15 that example is as seen in fig. 1) that wherein forms said agent structure.
In another embodiment, support tube (support tube and/or down interior support tube upward) and outer support tube (going up outer support tube and/or following outer support tube) in the employing.(for example in embodiment as shown in Figure 1) in this case; (for example in interior support tube, fill undisturbed soil with the part that forms said agent structure; Undisturbed soil structure 5 as shown in fig. 1); And interior support tube and outside fill high-strength concrete in the annular space between the support tube with (for example with the fixing another part that wherein forms said agent structure of basket structure (go up basket structure and/or basket structure) down; High Strength Concrete Structures 15 as shown in fig. 1); And outside in the annular space between support tube outer wall and the foundation ditch inwall fill concrete (for example low-strength concrete) or mortar or backfill with the another part that forms said agent structure (for example, as shown in fig. 1 low-strength concrete or mortar structure 6).
The expansion pier structure that each embodiment through the utility model provides can be realized effectively supporting with simple structure.In addition, through the expansion pier structure that each embodiment of the utility model provides, it is tired also can to reduce the pier base, improves connection safety, improves the ability of opposing external loads simultaneously.
Expansion pier according to each embodiment of the utility model; Can the cast in situs heavy foundation; Perhaps prefabricated heavy foundation is transported to the job site again, and need not to use large-scale drilling rig or pile driver, is particularly useful for the less position of the underground water higher and basic arrangement degree of depth.According to the expansion pier of each embodiment of the utility model, can bear the high strength load that topples, and the base concrete that alternately bears local pressure and tension load can not exert an influence to this.
Should understand; The embodiment that the utility model provides particularly can support the wind turbine that bears the higher power of toppling applicable to the high type that provides support for power line, communication system, street lighting and signal, bridge pier, wind turbine, commercial mark, highway identification, Ski Lift etc., heavy type and/or Large Towers pillar.
The various embodiment that the utility model provides can make up with any-mode as required each other, and the technical scheme that obtains through this combination is also in the scope of the utility model.
Obviously, under the situation of spirit that does not break away from the utility model and scope, those skilled in the art can carry out various changes and modification to the utility model.Like this, if belong within the scope of the utility model claim and equivalent thereof with modification what these of the utility model changed, then the utility model also will comprise these changes and modification.
Claims (9)
1. expand pier structure for one kind, it is arranged in the foundation ditch, it is characterized in that, comprising:
Agent structure, it comprises from the expansion platform of foundation ditch bottom epirelief;
Last basket structure comprises a plurality of parallel last anchor poles, and anchor pole is with protective sleeve and circumferentially distributes fastening in the retainer ring upper edge that is installed on said expansion platform with the lower end respectively on each;
Following basket structure; Around also being lower than the said basket structure of going up at least in part; Comprise a plurality of parallel following anchor poles, each down anchor pole be with protective sleeve and be fastened to foundation ditch bottom or said agent structure and be connected to the corresponding anchor pole of going up through connector between at least one cage with the lower end;
Agent structure; It is arranged within the said upper and lower basket structure and and the foundation ditch inwall between and between said upper and lower anchor pole or said cage between the connector so that said upper and lower basket structure is fastened in the foundation ditch; The top of said agent structure is provided with has the cushion cap that strengthens part, and the said anchor pole of going up is fixed to said cushion cap and passes said enhancing part with the upper end;
Equipment connection structure, it is installed on the said enhancing part.
2. expansion pier structure as claimed in claim 1 is characterized in that, further comprises at least a in following:
Support tube in going up, it is in said going up within the basket structure, and has bellows wall;
Go up outer support tube, it is in said going up between basket structure and the foundation pit side-wall, and has bellows wall;
Support tube down, it is within the said basket structure down, and has bellows wall;
Following outer support tube, it is between said basket structure down and the foundation pit side-wall, and has bellows wall.
3. expansion pier structure as claimed in claim 2 is characterized in that,
The expansion strength bar that connector is integrated into broken line shape between said down anchor pole and corresponding cage;
And/or
The said lower end of anchor down is connected to said down interior support tube and/or following outer support tube;
And/or
Between at least one cage connector be connected to support tube in said go up, go up outer support tube, down at least a in the support tube, following outer support tube.
4. expansion pier structure as claimed in claim 3 is characterized in that, further comprises:
Fixed connecting piece; It is connected support tube in said go up, go up outer support tube, down in support tube, down outer support tube, upward between at least two kinds in basket structure, the following basket structure; And/or be connected saidly go up anchor pole, down between anchor pole, cage between at least two kinds in the connector; And/or be connected between the adjacent last anchor pole, and/or be connected between the adjacent following anchor pole, and/or be connected between adjacent cage between the connector.
5. expansion pier structure as claimed in claim 2 is characterized in that,
The said anchor pole of going up is fixed between said retainer ring and the said equipment connection structure to pass on it outside said equipment connection structure and with pre-tensile stress;
And/or
Said agent structure is included in part between the cage between the said upper and lower basket structure, between said down anchor pole is fixed between foundation ditch bottom and said cage partly with pre-tensile stress.
6. like each described expansion pier structure in the claim 1 to 5, it is characterized in that,
More than the big 5mm of external diameter of the internal diameter of said protective sleeve than said upward anchor pole and/or following anchor pole; And/or
The upper end of anchor pole is with protective cap on each; And/or
The protective sleeve of anchor pole is totally-enclosed protective sleeve under each; And/or
Said lower end of going up anchor pole is connected to said retainer ring through machined threads; And/or
Said top or upper end of going up anchor pole is connected to said cushion cap through machined threads; And/or
Said upper end of going up anchor pole is connected to said equipment connection structure through machined threads; And/or
Comprise reinforcing bar in the said cushion cap; And/or
Said cushion cap has radially the outwards inclined-plane and/or the guide groove of declivity.
7. like each described expansion pier structure in the claim 1 to 5, it is characterized in that,
Said enhancing part is arranged in the cannelure on the said cushion cap.
8. expansion pier structure as claimed in claim 7 is characterized in that,
Has chamfering on the cell wall of said cannelure.
9. like each described expansion pier structure in the claim 1 to 5, it is characterized in that,
A plurality of said basket structures of going up are nested with each other, and a plurality of said retainer rings are nested with each other, and a plurality of anchor poles of going up of basket structure circumferentially distribute fastening with its lower end on each in single retainer ring upper edge;
And/or
A plurality of said basket structures down are nested with each other, and a plurality of anchor poles down of basket structure are fastening along circumferentially distributing with the single round track of its lower end edge under each.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200285958U CN202416335U (en) | 2012-01-20 | 2012-01-20 | Expansion pier structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200285958U CN202416335U (en) | 2012-01-20 | 2012-01-20 | Expansion pier structure |
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|---|---|
| CN202416335U true CN202416335U (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200285958U Expired - Fee Related CN202416335U (en) | 2012-01-20 | 2012-01-20 | Expansion pier structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535496A (en) * | 2012-01-20 | 2012-07-04 | 王海峰 | Expanded pier structure and forming method thereof |
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2012
- 2012-01-20 CN CN2012200285958U patent/CN202416335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102535496A (en) * | 2012-01-20 | 2012-07-04 | 王海峰 | Expanded pier structure and forming method thereof |
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Granted publication date: 20120905 Termination date: 20180120 |