CN203924056U - A kind of recyclable slip casting expansion enlarged footing prestress anchorage cable - Google Patents
A kind of recyclable slip casting expansion enlarged footing prestress anchorage cable Download PDFInfo
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- CN203924056U CN203924056U CN201420342236.9U CN201420342236U CN203924056U CN 203924056 U CN203924056 U CN 203924056U CN 201420342236 U CN201420342236 U CN 201420342236U CN 203924056 U CN203924056 U CN 203924056U
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- pvc pipe
- rubber membrane
- recyclable
- pipe
- slip casting
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Abstract
The utility model relates to a kind of recyclable slip casting expansion enlarged footing prestress anchorage cable, the fastening colligation in Grouting Pipe, two ends that comprise pvc pipe that termination carrier, one end be connected with termination carrier, is connected with the pvc pipe other end on pvc pipe expandable rubber membrane, wear walk around termination carrier and harness rubber membrane periphery for bear anchor cable pulling force steel strand, be installed on steel strand termination and apply prestressed ground tackle; What on pvc pipe, at interval of certain distance, be provided with that four hoops are evenly arranged enters to starch aperture, outside the position of entering to starch aperture that every four hoops are evenly arranged, is arranged with elastic membrane pipe; Steel strand pass through elastic rubber band harness in the periphery of rubber membrane.The utility model is simple in structure, easy to operate, there is very high economic and practical, can significantly improve the uplift resistance of soft layer stream line, and complete while not needing anchor cable stressed in construction, recyclable steel strand, do not impact underground environment, are specially adapted in the foundation pit supporting project in soft layer.
Description
Technical field
The utility model relates to a kind of recyclable slip casting expansion enlarged footing prestress anchorage cable, for geotechnical engineering supporting construction technical fields such as the foundation ditch of Soft Soil Layer, side slopes.
Background technology
China's soft soil layer is widely distributed, and mostly is developed area, and base pit engineering is towards dark, large, the complicated future development of surrounding enviroment.In Soft Deep Foundation Pit supporting, common grouting cable anchor slurry stream is to uncertain, injecting cement paste shape is difficult to guarantee, usually can not reach the anchoring effect of anticipation, and in city, the environmental requirement to the underground space improves day by day in recent years, not allowing becomes underground permanent obstacle as the interim anchor cable of pattern foundation pit supporting structure.
Utility model content
The purpose of this utility model is to overcome the problem that above-mentioned prior art exists, provide a kind of bearing capacity higher, reliable, and can reclaim steel strand, on environment without impact or the less new-type pressure-type enlarged footing prestress anchorage cable of impact.
A kind of recyclable slip casting expansion enlarged footing prestress anchorage cable, its special character is: the fastening colligation in Grouting Pipe, two ends that comprise pvc pipe that termination carrier, one end be connected with termination carrier, is connected with the pvc pipe other end on pvc pipe expandable rubber membrane, wear walk around termination carrier and harness at rubber membrane periphery for bearing the steel strand of anchor cable pulling force, and be installed on steel strand termination and apply prestressed ground tackle; What on described pvc pipe, at interval of certain distance, be provided with that four hoops are evenly arranged enters to starch aperture, outside the position of entering to starch aperture that every four hoops are evenly arranged, is arranged with elastic membrane pipe; Steel strand pass through elastic rubber band harness in the periphery of rubber membrane.
Further, described rubber membrane is made by high resiliency molecular material, and the thickness of rubber membrane is 4～8mm.
Further, described rubber membrane is cylindric rubber membrane pipe.
Further, the two ends of described pvc pipe arrange latch closure, and rubber membrane two ends are solidly fixed by latch closure and pvc pipe, are linked closely and be connected with Grouting Pipe by the latch closure arranging simultaneously in one end of pvc pipe.
Further, the diameter 50mm of described pvc pipe, what on the body of pvc pipe, at interval of 0.25m, be provided with that four hoops are evenly arranged enters to starch aperture, and the diameter that enters to starch aperture is 5mm.
Further, described termination carrier is made by alloy material, the bottom sealing of pvc pipe, and described termination carrier is connected with pvc pipe bottom by screw thread.
Further, described steel strand are comprised of single or many non-bending steel cables.
The recyclable slip casting expansion enlarged footing prestress anchorage cable that the utility model provides, simple in structure, easy to operate, there is very high economic and practical, can significantly improve the uplift resistance of soft layer stream line, and complete while not needing anchor cable stressed in construction, can reclaim steel strand, underground environment is not impacted, be specially adapted in the foundation pit supporting project in soft layer.
Accompanying drawing explanation
Fig. 1 is the recyclable slip casting expansion of the utility model enlarged footing prestress anchorage cable structural representation;
Fig. 2 is two kinds of A-A generalized sections in Fig. 1, for illustrating, uses steel strand 2 harnesses in two kinds of modes of rubber membrane 3 peripheries;
When Fig. 3 is slip casting and slip casting complete the specific works schematic diagram of Descemet's membrane pipe;
Fig. 4 is the connection diagram of Grouting Pipe 8 and pvc pipe 5 in Fig. 1;
Fig. 5 is the connection diagram of termination carrier 1 and pvc pipe 5 in Fig. 1;
Wherein, 1-termination carrier; 2-steel strand; 3-rubber membrane; 4-latch closure; 5-PVC pipe; 6-enters to starch aperture; 7-elastic membrane pipe; 8-Grouting Pipe; 9-cavity; 10-elastic rubber band; 11-ground tackle.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1 shows the structure of the recyclable slip casting expansion enlarged footing prestress anchorage cable that the utility model provides.For convenience of explanation, only show the part relevant to the utility model.
Recyclable slip casting expansion enlarged footing prestress anchorage cable of the present utility model, the fastening colligation in Grouting Pipe 8, two ends that comprise pvc pipe 5 that termination carrier 1, one end be connected with termination carrier 1, is connected with pvc pipe 5 other ends on pvc pipe 5 expandable rubber membrane 3, wear walk around termination carrier 1 and harness rubber membrane 3 peripheries for bear anchor cable pulling force steel strand 2, be installed on steel strand 2 terminations and apply prestressed ground tackle 11; What on pvc pipe 5, at interval of certain distance, be provided with that four hoops are evenly arranged enters to starch aperture 6, outside the position of entering to starch aperture 6 that every four hoops are evenly arranged, is arranged with elastic membrane pipe 7; Steel strand 2 pass through elastic rubber band 10 harnesses in the periphery of rubber membrane 3.
As a prioritization scheme of the utility model embodiment, rubber membrane 3 is made by high resiliency molecular material, and the thickness of rubber membrane 3 is 4～8mm.
As a prioritization scheme of the utility model embodiment, rubber membrane 3 is cylindric rubber membrane pipe.
As a prioritization scheme of the utility model embodiment, the two ends of pvc pipe 5 arrange latch closure 4, and rubber membrane 3 two ends are solidly fixed by latch closure 4 and pvc pipe 5, are linked closely and be connected with Grouting Pipe 8 by the latch closure arranging simultaneously in one end of pvc pipe 5.
As a prioritization scheme of the utility model embodiment, the diameter 50mm of pvc pipe 5, what on the body of pvc pipe 5, at interval of 0.25m, be provided with that four hoops are evenly arranged enters to starch aperture 6, and the diameter that enters to starch aperture 6 is 5mm.
As a prioritization scheme of the utility model embodiment, termination carrier 1 is made by alloy material, the bottom sealing of pvc pipe 5, and termination carrier 1 is connected with pvc pipe 5 bottoms by screw thread.
As a prioritization scheme of the utility model embodiment, steel strand 2 are comprised of single or many non-bending steel cables.
Below in conjunction with drawings and the specific embodiments, application principle of the present utility model is further described.
As Figure 1-Figure 5, the recyclable slip casting expansion enlarged footing prestress anchorage cable of the utility model embodiment, the fastening colligation in Grouting Pipe 8, two ends that comprise pvc pipe 5 that termination carrier 1, one end be connected with termination carrier 1, is connected with pvc pipe 5 other ends on pvc pipe 5 expandable rubber membrane 3, wear and walk around termination carrier 1 and harness applies prestressed ground tackle 11 at rubber membrane 3 peripheries for bearing the steel strand 2 of anchor cable pulling force and being installed on steel strand 2 terminations.
Rubber membrane 3 is made by high resiliency molecular material, and the thickness of rubber membrane 3 is 4～8mm, and rubber membrane 3 is cylindric rubber membrane pipe, diameter 0.15～the 0.30m of rubber membrane 3, rubber membrane 3 entire length are 2.0～5.0m approximately, and it is oval spherical that rubber membrane 3 becomes after inflation, the inner cavity 9 that forms of rubber membrane 3.
The diameter 50mm of pvc pipe 5, what on the body of pvc pipe 5, at interval of 0.25m, be provided with that four hoops are evenly arranged enters to starch aperture 6, and the diameter that enters to starch aperture 6 is 5mm, outside the position of entering to starch aperture 6 that every four hoops are evenly arranged, is arranged with elastic membrane pipe 7; The outer middle section position of rubber membrane 3 is also provided with the elastic rubber band 10 of harness steel strand 2, and steel strand 2 pass through elastic rubber band 10 harnesses in the periphery of rubber membrane 3.The two ends of pvc pipe 5 arrange latch closure 4, and rubber membrane 3 two ends are solidly fixed by latch closure 4 and pvc pipe 5, are linked closely and be connected with Grouting Pipe 8 by the latch closure arranging simultaneously in one end of pvc pipe 5, and pvc pipe 5 is connected according to shown in Fig. 4 with Grouting Pipe 8.
Termination carrier 1 is made by alloy material, the bottom sealing of pvc pipe 5, and termination carrier 1 is connected with pvc pipe 5 bottoms by screw thread, and termination carrier 1 also plays the fixedly effect of steel strand position, bearing pressure simultaneously.As shown in Figure 5, termination carrier 1 is connected with pvc pipe 5, and termination carrier has the part of caving in, and pvc pipe bottom is that also forming of sealing is protruding, and caving in partly by screwed connection of termination carrier inserted in pvc pipe bottom.
Steel strand 2 are comprised of single or many non-bending steel cables.
Recyclable slip casting expansion enlarged footing prestress anchorage cable operating principle of the present utility model: anchor cable is placed behind boring precalculated position, adopt pressure to be about 2.0～4.0MPa slip casting, slurries enter pvc pipe 5 by Grouting Pipe 8, Grouting Pipe 8 is mutually chimeric with pvc pipe 5, and it is connected to link closely with latch closure 4, as shown in Figure 4.Slurries enter after pvc pipe 5, flow through into slurry aperture 6 under the effect of pressure, and extruding elastic membrane pipe 7 makes it to expand.So, slurries just enter in rubber membrane 3 smoothly, and slurries are full of the space in whole rubber membrane 3, and make it expand to form the injecting cement paste of a diameter 0.5～0.8m, be full of the cavity 9 in whole rubber membrane 3, after injecting cement paste solidifies, just form enlarged footing anchoring section, rubber membrane 3 is about 2.0～5.0m.After slip casting completes, elastic membrane pipe 7 resiliences, and be subject to the pressure-acting of rubber membrane 3 interior slurries and stifled tightly enter to starch aperture 6, guarantee that slurries do not outflow, during slip casting and slip casting complete Descemet's membrane pipe specific works schematic diagram as shown in Figure 3.Steel strand 2 are centered around rubber membrane 3 peripheries through termination carrier 1, ground tackle 11 lockings for two ends.Steel strand are with the connected mode of termination carrier as threaded a needle with line, and from termination carrier the inside, through going, the two ends of last steel strand are pinned by ground tackle.Steel strand 2 can be evenly distributed on the both sides of rubber membrane 3 when rubber membrane 3 is expanded, tie steel strand 2 on rubber membrane 3 with elastic rubber band 10 centre, Fig. 2 shows the in the situation that of 1 bundle and 2 bundle steel strand, and use rubber elastic membrane band is the situation at rubber membrane 3 peripheries by steel strand harness.While applying prestressing force, enlarged footing carrying, from the pressure of anchor cable, is equivalent to pressure-type prestress anchorage cable.When anchor cable does not need to bear load, can be by unclamping ground tackle 11, one end of drawing steel stranded wire 2, makes it to extract, and only leaves injecting cement paste in the soil body, plays the effect of reclaiming with environmental protection.Other construction sequence is identical with common bolt, and construction method is very simple and convenient.
The recyclable slip casting expansion enlarged footing prestress anchorage cable that the utility model provides, simple in structure, easy to operate, there is very high economic and practical, by controlling grouting amount and grouting pressure, can control enlarged footing anchoring section volume and shape, strengthen radial compression power, thereby can significantly improve the uplift resistance of soft layer stream line, and complete while not needing anchor cable stressed in construction, can reclaim steel strand, underground environment not impacted, the utility model is specially adapted in the foundation pit supporting project in soft layer.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a recyclable slip casting expansion enlarged footing prestress anchorage cable, is characterized in that: comprise the pvc pipe (5) that termination carrier (1), one end be connected with termination carrier (1), the Grouting Pipe (8) being connected with pvc pipe (5) other end, the fastening colligation in two ends at the upper expandable rubber membrane (3) of pvc pipe (5), wear and walk around termination carrier (1) and harness applies prestressed ground tackle (11) at rubber membrane (3) periphery for bearing the steel strand (2) of anchor cable pulling force and being installed on steel strand (2) termination; Described pvc pipe (5) is upper at interval of certain distance, be provided with that four hoops are evenly arranged enter to starch aperture (6), outside the position of entering to starch aperture (6) that every four hoops are evenly arranged, be arranged with elastic membrane pipe (7); Steel strand (2) pass through elastic rubber band (10) harness in the periphery of rubber membrane (3).
2. recyclable slip casting expansion enlarged footing prestress anchorage cable according to claim 1, is characterized in that: described rubber membrane (3) is made by high resiliency molecular material, and the thickness of rubber membrane (3) is 4～8mm.
3. recyclable slip casting expansion enlarged footing prestress anchorage cable according to claim 1 and 2, is characterized in that: described rubber membrane (3) is cylindric rubber membrane pipe.
4. recyclable slip casting expansion enlarged footing prestress anchorage cable according to claim 1, it is characterized in that: the two ends of described pvc pipe (5) arrange latch closure (4), rubber membrane (3) two ends are solidly fixed by latch closure (4) and pvc pipe (5), are linked closely and be connected with Grouting Pipe (8) by the latch closure arranging simultaneously in one end of pvc pipe (5).
5. according to the recyclable slip casting expansion enlarged footing prestress anchorage cable described in claim 1 or 4, it is characterized in that: the diameter 50mm of described pvc pipe (5), what on the body of pvc pipe (5), at interval of 0.25m, be provided with that four hoops are evenly arranged enters to starch aperture (6), and the diameter that enters to starch aperture (6) is 5mm.
6. recyclable slip casting expansion enlarged footing prestress anchorage cable according to claim 1, it is characterized in that: described termination carrier (1) is made by alloy material, the bottom sealing of pvc pipe (5), described termination carrier (1) is connected with pvc pipe (5) bottom by screw thread.
7. recyclable slip casting expansion enlarged footing prestress anchorage cable according to claim 1, is characterized in that: described steel strand (2) are comprised of single or many non-bending steel cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342236.9U CN203924056U (en) | 2014-06-24 | 2014-06-24 | A kind of recyclable slip casting expansion enlarged footing prestress anchorage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420342236.9U CN203924056U (en) | 2014-06-24 | 2014-06-24 | A kind of recyclable slip casting expansion enlarged footing prestress anchorage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203924056U true CN203924056U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420342236.9U Expired - Fee Related CN203924056U (en) | 2014-06-24 | 2014-06-24 | A kind of recyclable slip casting expansion enlarged footing prestress anchorage cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203924056U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074189A (en) * | 2014-06-24 | 2014-10-01 | 中南大学 | Recyclable slip casting expansion enlarged head pre-stressed anchor cable |
| CN104674807A (en) * | 2015-02-10 | 2015-06-03 | 成都绿迪科技有限公司 | Bearing head for anchor rod |
-
2014
- 2014-06-24 CN CN201420342236.9U patent/CN203924056U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074189A (en) * | 2014-06-24 | 2014-10-01 | 中南大学 | Recyclable slip casting expansion enlarged head pre-stressed anchor cable |
| CN104674807A (en) * | 2015-02-10 | 2015-06-03 | 成都绿迪科技有限公司 | Bearing head for anchor rod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141105 Termination date: 20150624 |
|
| EXPY | Termination of patent right or utility model |