CN202830969U - Rectifying and reinforcing structure of cantilever retaining wall - Google Patents
Rectifying and reinforcing structure of cantilever retaining wall Download PDFInfo
- Publication number
- CN202830969U CN202830969U CN 201220431415 CN201220431415U CN202830969U CN 202830969 U CN202830969 U CN 202830969U CN 201220431415 CN201220431415 CN 201220431415 CN 201220431415 U CN201220431415 U CN 201220431415U CN 202830969 U CN202830969 U CN 202830969U
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- armstand
- retaining wall
- anchor cable
- reinforcing structure
- correcting
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Abstract
The utility model relates to the technical field of rectification of a cantilever retaining wall, and discloses a rectifying and reinforcing structure of the cantilever retaining wall. The rectifying and reinforcing structure comprises a stand arm. The back side of the stand arm is attached to soil body and provided with a concave pit. The concave pit is dug temporarily. Soil body is backfilled into the concave pit when rectification and reinforcement of the stand arm finish. An anchor cable is arranged in the stand arm in a penetrating mode. One end of the anchor cable is fixed in the soil body in an anchoring mode, and the other end of the anchor cable is arranged outside the stand arm and fixed on the outer surface of the stand arm. According to the rectifying and reinforcing structure, a combined structure is formed between the anchor cable and the stand arm, and therefore extroversion and deformation of the stand arm are eliminated. The concave pit is arranged at the back side of the stand arm so that the stand arm can not be damaged in the process of stretching and drawing of the anchor cable. An original retaining wall is rectified, stability against overturning is strengthened, land in front of the original retaining wall is not occupied additionally, and space is saved.
Description
Technical field
The utility model relates to the technical field of existing retaining wall correction, relates in particular to the correcting and then reinforcing structure of cantilever retaining wall.
Background technology
Cantilever retaining wall is one of the side slope retaining structure commonly used that bankets, and for soil-slope, the maxi-mum height of cantilever retaining wall should not surpass 8m.Yet, in Practical Project, the height of most cantilever retaining wall approaches even surpasses 8m, and namely wherein armstand approaches even surpasses 8m, because armstand is cantilever construction, like this, under the effect of soil pressure, armstand can produce the flare distortion, the horizontal movement on armstand top might surpass permissible value, like this, if the distortion of armstand self continues accumulation, the stability that has a strong impact on retaining wall self is used with normal.
In order to solve the excessive problem of armstand distortion of cantilever retaining wall, generally speaking, all need armstand is reinforced, reinforcement measure commonly used has: 1, remove cantilever retaining wall, other retaining structures such as newly-built counterfort retaining wall; 2, the metope at retaining wall adopts anchor cable+perpendicular rib structure to reinforce; 3, newly-built stake holder relieving slab retaining wall reinforcement before the wall of original retaining wall.All there are following one or more shortcomings in the conventional ruggedized construction of in above-mentioned these: 1, waste material; 2, can not effectively eliminate the flare distortion that the retaining wall armstand has occured; 3, take a large amount of retaining walls front side land used, require larger to construction space.
The utility model content
The purpose of this utility model is to provide the correcting and then reinforcing structure of existing cantilever retaining wall, and the ruggedized construction that is intended to solve cantilever retaining wall of the prior art can not effectively eliminate flare distortion that armstand occured, armstand is damaged and need take the problem such as more construction space.
The utility model is to realize like this, the correcting and then reinforcing structure of cantilever retaining wall, comprise that dorsal part is close to the armstand of the soil body, described armstand dorsal part is provided with interim excavation and the pit of the backfill soil body after described armstand correcting and then reinforcing is finished, be equipped with anchor cable in the described armstand, described anchor cable one end is anchored in the described soil body, and the other end places the described armstand outside, and is fixed on the described armstand external surface.
Further, along the direction that the described armstand lateral soil body extends, described anchor cable is skewed setting down.
Further, the other end that described anchor cable is fixed in described armstand external surface is wrapped with the sealing off and covering anchorage body, and described sealing off and covering anchorage body places on the described armstand external surface.
Further, the correcting and then reinforcing structure of described cantilever retaining wall also comprises the hollow sleeve in described armstand and the described soil body, and described anchor cable is arranged in the described hollow sleeve.
Further, along the bearing of trend of the described armstand lateral soil body, described hollow sleeve is down and is obliquely installed.
Further, described pit excavates by certain ratio of slope temporarily, big up and small down shape.
Compared with prior art, in the correcting and then reinforcing structure that the utility model provides, anchor cable and armstand form combining structure, more are conducive to eliminate the flare elastic-plastic deformation of armstand.Owing to having excavated pit at the armstand dorsal part, like this, in the anchorage cable stretching process, just can not damage armstand temporarily.Owing to need to before existing cantilever retaining wall wall, not build new soil-baffling structure and reinforcing, therefore can additionally not take the front land used of original retaining walls.
Description of drawings
Fig. 1 is the cut-away illustration of the correcting and then reinforcing structure of the cantilever retaining wall that provides of the utility model embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model provides the correcting and then reinforcing structure of cantilever retaining wall, comprise that dorsal part is close to the armstand of the soil body, described armstand dorsal part is provided with interim excavation and the pit of the backfill soil body after described armstand correcting and then reinforcing is finished, be equipped with anchor cable in the described armstand, described anchor cable one end is anchored in the described soil body, the other end places the described armstand outside, and is fixed on the described armstand external surface.
Utilize the correcting and then reinforcing structure in the utility model, can effectively eliminate the flare distortion that armstand has occured, and in work progress, owing to being provided with pit temporarily, can not damage armstand, and do not need to take the front a large amount of land used of armstand.
Below in conjunction with concrete accompanying drawing realization of the present utility model is described in detail.
As shown in Figure 1, a preferred embodiment that provides for the utility model.
Have armstand 3 in the cantilever retaining wall in the present embodiment, the soil body 2 has been filled in the inboard of this armstand 3, and the soil body 2 can produce certain soil pressure to armstand 3, and certainly, retaining wall also is for a retaining structure of the gear soil body 2.After long-time, because the effect of the soil body 2 soil pressures, armstand 3 can tilt laterally, produces elastic-plastic deformation.
Correcting and then reinforcing structure that the present embodiment provides 1 is exactly the outer incline elastic-plastic deformation that produces in order to correct armstand 3, it comprise be arranged in the armstand 3 dorsal part soil bodys 2 and near the pit of armstand 3 dorsal parts and be located in armstand 3 and the soil body 2 in anchor cable 12.Above-mentioned pit is as a temporary construction step, namely before construction anchor cable 12, and at the position excavation pit of the soil body 2 near armstand 3 dorsal parts, after anchor cable 12 constructions are complete, the backfill soil body 11 in the pit then; Anchor cable 12 passes armstand 3, and the one end places the soil body 2 of armstand 3 dorsal parts, and the other end extends the outside of armstand 3, is fixed on the external surface of armstand 3.
Armstand 3 at cantilever retaining wall arranges above-mentioned correcting and then reinforcing structure 1, has advantages of following:
1), under the stretch-draw effect of anchor cable 12, can thoroughly eliminate the flare distortion that armstand 3 occured;
2), in the process of construction, owing to being provided with pit on armstand 3 dorsal parts, namely before construction anchor cable 12, the soil body 2 with armstand 3 dorsal parts cuts out a part first, form above-mentioned pit, thereby in the process of construction anchor cable 12, armstand 3 is unlikely to produce under anchor cable pulling force and soil pressure double action to be destroyed;
3), anchor cable 12 forms combining structures with armstand 3, more is conducive to the Deformation control of armstand 3 upper ends, can more effectively eliminate the flare distortion of armstand 3 upper ends;
4), this correcting and then reinforcing structure 1 under the effect of anchor cable pulling force, can greatly strengthen stability against overturning;
5), since this ruggedized construction take Dam Foundation Strengthened in Situ, do not need to remove original cantilever retaining wall, can greatly reduce the facility of original retaining wall armstand 3 upper ends or the disturbance of structure;
6), because this correcting and then reinforcing structure is carried out Dam Foundation Strengthened in Situ to existing cantilever retaining wall, need to before wall, not build new soil-baffling structure and reinforce, therefore can additionally not take land used before original retaining walls.
As shown in fig. 1, dotted line forms is shaped as the armstand 4 that present situation has produced inclination and distortion, and after the above-mentioned correcting and then reinforcing structure 1 of construction in this retaining wall, 4 of armstands that produced the flare distortion can return to the armstand 3 of original shape.
For so that 12 pairs of armstands 3 of anchor cable form preferably pulling force effect, also more effectively eliminate the flare elastic-plastic deformation of armstand 3, along its dorsal part bearing of trend of armstand 3 laterals, anchor cable 12 is for tilting down the shape setting.
Certainly; in order to protect anchor cable 12; avoid after long-time the use; anchor cable 12 is corroded and is ineffective; the other end that above-mentioned anchor cable 12 extends armstand 3 external surfaces is covered with sealing off and covering anchorage body 14 outward; because the other end of anchor cable 12 is fixed on the external surface of armstand 3, this sealing off and covering anchorage body 14 also is arranged on the external surface of armstand 3, and has sealed the other end of anchor cable 12.
Particularly, also for the ease of anchor cable 12 constructions, this correcting and then reinforcing structure 1 also comprises hollow sleeve 13, and this hollow sleeve 13 is located in armstand 3 and the pit, and extends in the soil body 2, and anchor cable 12 runs through this hollow sleeve 13.In work progress, even the backfill soil body 11 in the pit also can not hinder the construction of anchor cable 12.
Certainly, along armstand 3 lateral soil body bearing of trends, the hollow sleeve 13 in above-mentioned also is to tilt shape setting down.
In the present embodiment, for the ease of construction, the big up and small down shape of pit in above-mentioned.
In the practice of construction process, the work progress of above-mentioned correcting and then reinforcing structure 1 is as follows:
1), excavate the soil body 2 of certain limit at the dorsal part of cantilever retaining wall armstand 3, form pit;
2), the position, hole of boring formation certain depth in the soil body 2 of armstand 3 and armstand 3 dorsal parts;
3), put hollow sleeve 13 at the above-mentioned Kong Weizhong that has bored;
4), construction anchor cable 12 so that anchor cable 12 runs through above-mentioned hollow sleeve 13, and slip casting in hollow sleeve 13;
5), anchor cable 12 is according to 40% ~ 50%(of lock value or determine the stretch-draw value of anchor cable 12 according to the deflection size of retaining wall armstand 3) carry out the stretch-draw first time, until eliminate the horizontal movement of armstand 3 upper ends fully;
6), in pit the backfill soil body 11, and compaction in layers;
7), to anchor cable 12 for the second time stretch-draw, until lock value;
8), the other end that extends to armstand 3 external surfaces at anchor cable 12 builds sealing off and covering anchorage body 14, the other end of this anchor cable 12 is wrapped within the sealing off and covering anchorage body 14 fully.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (6)
1. the correcting and then reinforcing structure of cantilever retaining wall, comprise that dorsal part is close to the armstand of the soil body, it is characterized in that, described armstand dorsal part is provided with interim excavation and the pit of the backfill soil body after described armstand correcting and then reinforcing is finished, be equipped with anchor cable in the described armstand, described anchor cable one end is anchored in the described soil body, and the other end places the described armstand outside, and is fixed on the described armstand external surface.
2. the correcting and then reinforcing structure of cantilever retaining wall as claimed in claim 1 is characterized in that, along the direction that the described armstand lateral soil body extends, described anchor cable is skewed setting down.
3. the correcting and then reinforcing structure of cantilever retaining wall as claimed in claim 1 is characterized in that, the other end that described anchor cable is fixed in described armstand external surface is wrapped with the sealing off and covering anchorage body, and described sealing off and covering anchorage body places on the described armstand external surface.
4. such as the correcting and then reinforcing structure of each described cantilever retaining wall of claims 1 to 3, it is characterized in that, the correcting and then reinforcing structure of described cantilever retaining wall also comprises the hollow sleeve in described armstand and the described soil body, and described anchor cable is arranged in the described hollow sleeve.
5. the correcting and then reinforcing structure of cantilever retaining wall as claimed in claim 4 is characterized in that, along the bearing of trend of the described armstand lateral soil body, described hollow sleeve is down and is obliquely installed.
6. such as the correcting and then reinforcing structure of each described cantilever retaining wall of claims 1 to 3, it is characterized in that, described pit excavates by certain ratio of slope temporarily, big up and small down shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431415 CN202830969U (en) | 2012-08-28 | 2012-08-28 | Rectifying and reinforcing structure of cantilever retaining wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220431415 CN202830969U (en) | 2012-08-28 | 2012-08-28 | Rectifying and reinforcing structure of cantilever retaining wall |
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| Publication Number | Publication Date |
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| CN202830969U true CN202830969U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220431415 Expired - Fee Related CN202830969U (en) | 2012-08-28 | 2012-08-28 | Rectifying and reinforcing structure of cantilever retaining wall |
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| CN (1) | CN202830969U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457726A (en) * | 2018-12-29 | 2019-03-12 | 仵社教 | A kind of barricade and its optimum design method with shear resisting board |
| CN110528572A (en) * | 2019-08-15 | 2019-12-03 | 吉林省翔宇建筑工程有限公司长春分公司 | A method of there is slope trend retaining wall with pressure reducing mode reparation |
| CN114809133A (en) * | 2022-04-13 | 2022-07-29 | 南京工业大学 | Device and method for repairing inclined deflection of retaining wall by using decompression principle |
-
2012
- 2012-08-28 CN CN 201220431415 patent/CN202830969U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457726A (en) * | 2018-12-29 | 2019-03-12 | 仵社教 | A kind of barricade and its optimum design method with shear resisting board |
| CN110528572A (en) * | 2019-08-15 | 2019-12-03 | 吉林省翔宇建筑工程有限公司长春分公司 | A method of there is slope trend retaining wall with pressure reducing mode reparation |
| CN114809133A (en) * | 2022-04-13 | 2022-07-29 | 南京工业大学 | Device and method for repairing inclined deflection of retaining wall by using decompression principle |
| CN114809133B (en) * | 2022-04-13 | 2023-10-27 | 南京工业大学 | Device and method for repairing inclination deflection of retaining wall by using decompression principle |
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| Date | Code | Title | Description |
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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: 20130327 Termination date: 20180828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |