CN203200740U - Sealing ditch structure - Google Patents
Sealing ditch structure Download PDFInfo
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- CN203200740U CN203200740U CN 201220736698 CN201220736698U CN203200740U CN 203200740 U CN203200740 U CN 203200740U CN 201220736698 CN201220736698 CN 201220736698 CN 201220736698 U CN201220736698 U CN 201220736698U CN 203200740 U CN203200740 U CN 203200740U
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- groove
- sealing
- vacuum
- groove structure
- ditch
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Abstract
The utility model provides a sealing ditch structure which comprises a foundation with a ditch, a vacuum film layer and a clay layer. A sealing wall is arranged under the bottom of the ditch, a groove is formed at the bottom of the ditch along the longitudinal direction of the ditch, the vacuum film layer covers the ditch and the groove, and the clay layer covers on the vacuum film layer. The groove is formed at the bottom of the ditch along the longitudinal direction of the ditch, so that the length of the vacuum film layer can be increased. In addition, when the vacuum film layer covers the ditch and the groove, a part of vacuum film layer is embedded into the sealing wall, accordingly the vacuum film layer playing a sealing role can be connected with the sealing wall integrally, the sealing performance of the periphery of the vacuum film layer is ensured, water vapor communication of regions on two sides of the sealing structure is cut off, the sealing performance of a pre-pressed plot located on one side of the sealing ditch structure is ensured, and soil deformation of a region located on the other side of the sealing ditch structure is decreased in the pre-pressing process of the pre-pressed plot.
Description
Technical field
The utility model relates to large tracts of land place vacuum preloading association area, and relating in particular to needs vacuum preloading plot peripheral seal wall top sealing groove structure.
Background technology
The sealing function of the lateral seal groove structure that the vacuum preloading ground is handled has 2 points: guarantee the precompressed plot sealing, reduce the distortion of the outer soil body of stabilization zone in the precompressed process, make soil deformation mainly concentrate on the divider wall inboard.
And in the process that vacuumizes, sealing groove structure significant feature is to cut off the inside and outside aqueous vapor contact of stabilization zone, is key one ring of implementing vacuum preloading, and shape and the construction quality of its design are most important.
And conventional sealing groove structure press mold form is leaked gas in the process that is vacuumizing if handle bad causing through regular meeting; vacuum is descended; had a strong impact on the effect that vacuumizes; even can cause the reinforcing failure; therefore, how to guarantee that in vacuum preloading Foundation Treatment engineering the seal that seals groove structure becomes a key technology.
The utility model content
The purpose of this utility model is in order a kind of sealing groove structure of easy and simple to handle, good airproof performance to be provided, to make the vacuum rete be unified into an integral body with envelope wall, guaranteeing the sealing of vacuum rete periphery.
To achieve the above object, the utility model adopts following technical scheme:
A kind of sealing groove structure, the ground, vacuum rete and the argillic horizon that comprise with groove, the below, bottom of described groove is provided with envelope wall, a groove is vertically offered along groove in the bottom of described groove, described vacuum rete is covered in described groove and above the groove, described argillic horizon is covered in above the described vacuum rete.
Preferably, in above-mentioned sealing groove structure, also comprise mud, described mud is covered in above the described argillic horizon.
Preferably, in above-mentioned sealing groove structure, the thickness of described mud is 300 millimeters.
Preferably, in above-mentioned sealing groove structure, comprise also and cover water layer that the described water layer that covers is covered in above the described mud.
Preferably, in above-mentioned sealing groove structure, described vacuum rete adopts the double-layer vacuum film.
Preferably, in above-mentioned sealing groove structure, the width of described groove and the degree of depth all are 250 ~ 350 millimeters.
Preferably, in above-mentioned sealing groove structure, the width of described groove and the degree of depth all are 300 millimeters.
Preferably, in above-mentioned sealing groove structure, the thickness of described argillic horizon is 250 ~ 350 millimeters.
Preferably, in above-mentioned sealing groove structure, the thickness of described argillic horizon is 300 millimeters.
Preferably, in above-mentioned sealing groove structure, be provided with sand cushion above being positioned at the described ground of described groove both sides.
Preferably, in above-mentioned sealing groove structure, be provided with geotextiles above the described sand cushion.
Preferably, in above-mentioned sealing groove structure, the inner horizontal of described sand cushion arranges chimney filter.
Preferably, in above-mentioned sealing groove structure, the described ground internal layout that is positioned at described groove both sides is provided with the band drain of some vertical directions.
The sealing groove structure that the utility model provides, by vertically offering groove in the bottom of groove along groove, can increase the length of the vacuum rete that is covered on groove and the groove indirectly, and, when described vacuum rete is covered in described groove and above the groove time, some vacuum rete is embedded in the described envelope wall, thereby, make the vacuum rete that seals to be unified into an integral body with envelope wall, guarantee the sealing of vacuum rete periphery, the steam contact of exclusion seal structure two side areas, assurance is positioned at the sealing in the precompressed plot of sealing groove structure one side, and the precompressed plot reduces to be positioned at the soil deformation in the zone that seals the groove structure opposite side in the precompressed process.
Description of drawings
Sealing groove structure of the present utility model is provided by following embodiment and accompanying drawing.
Fig. 1 is the structural representation of the sealing groove structure of the utility model one embodiment.
Among the figure, 1-first vacuum diaphragm, 2-second vacuum diaphragm, 3-geotextiles, 4-sand cushion, 5-chimney filter, 6-band drain, 7-cover water layer, 8-mud, 9-argillic horizon, 10-envelope wall.
The specific embodiment
Below with reference to accompanying drawings the utility model is described in more detail, has wherein represented preferred embodiment of the present utility model, should be appreciated that those skilled in the art can revise the utility model described here and still realize advantageous effects of the present utility model.Therefore, following description is appreciated that extensively knowing for those skilled in the art, and not as to restriction of the present utility model.
For clear, whole features of practical embodiments are not described.In the following description, be not described in detail known function and structure, the confusion because they can make the utility model owing to unnecessary details.Will be understood that in the exploitation of any practical embodiments, must make a large amount of implementation details to realize developer's specific objective, for example according to relevant system or relevant commercial restriction, change into another embodiment by an embodiment.In addition, will be understood that this development may be complicated and time-consuming, but only be routine work to those skilled in the art.
For the purpose of this utility model, feature are become apparent, below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described.It should be noted that accompanying drawing all adopts very the form of simplifying and all uses non-ratio accurately, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
See also Fig. 1, the sealing groove structure that present embodiment provides, the ground, vacuum rete and the argillic horizon 9 that comprise with groove, the below, bottom of described groove is provided with cement clay agitation pile envelope wall 10, a groove is vertically offered along groove in the bottom of described groove, described vacuum rete covering namely is layed in described groove and above the groove, described argillic horizon 9 is covered in above the described vacuum rete.By vertically offering groove in the bottom of groove along groove, can increase the length of the vacuum rete that is covered on groove and the groove indirectly, and, when described vacuum rete is covered in described groove and above the groove time, some vacuum rete is embedded in the described envelope wall 10, thereby, make the vacuum rete that seals to be unified into an integral body with envelope wall 10, guarantee the sealing of vacuum rete periphery, the steam contact of exclusion seal structure two side areas, assurance is positioned at the sealing in the precompressed plot of sealing groove structure one side, reduces to be positioned at the soil deformation in the zone that seals the groove structure opposite side in the precompressed process in the precompressed plot.
Preferably, in above-mentioned sealing groove structure, also comprise mud 8, described mud 8 is covered in above the described argillic horizon 9.Covering one deck mud 8 on argillic horizon 9 is compared single better with argillic horizon 9 backfill sealing effectivenesss.
Preferably, in above-mentioned sealing groove structure, the thickness of described mud 8 is 300 millimeters.
Preferably, in above-mentioned sealing groove structure, comprise also and cover water layer 7 that the described water layer 7 that covers is covered in above the described mud 8.Cover water layer 7 in the groove setting, can form the drainage system in whole place naturally so that the press mold ditch of sealing groove structure double as vacuum diaphragm and the gutter in whole place are suitable at large tracts of land place treatment region number of blocks.
Preferably, in above-mentioned sealing groove structure, described vacuum rete adopts the double-layer vacuum film, comprises first vacuum diaphragm 1 and second vacuum diaphragm 2.Described vacuum rete adopts the double-layer vacuum film, compares and adopts one deck vacuum diaphragm, has better sealing, plays the effect of dual fail-safe.
Preferably, in above-mentioned sealing groove structure, the width of described groove and the degree of depth all are 250 ~ 350 millimeters.In the present embodiment, the width of described groove and the degree of depth all are 300 millimeters.
Preferably, in above-mentioned sealing groove structure, the thickness of described argillic horizon 9 is 250 ~ 350 millimeters.In the present embodiment, the thickness of described argillic horizon 9 is 300 millimeters.
Preferably, in above-mentioned sealing groove structure, be provided with sand cushion 4 above being positioned at the described ground of described groove both sides.
Preferably, in above-mentioned sealing groove structure, be provided with above the described sand cushion 4 and namely be coated with geotextiles 3.
Preferably, in above-mentioned sealing groove structure, the inner horizontal of described sand cushion 4 arranges chimney filter 5.
Preferably, in above-mentioned sealing groove structure, the described ground internal layout that is positioned at described groove both sides is provided with the band drain 6 of some vertical directions, is used for draining.
So as Fig. 1, the job practices of sealing groove structure of the present utility model is as follows:
At first, carry out that fill in the place and channel excavation (mechanical equivalent of light excavation);
Then, carry out cement clay agitation pile envelope wall 10 and sand cushion 4 constructions;
Follow again, carry out the construction of band drain 6, chimney filter 5, geotextiles 3;
Follow again, carry out the groove excavation of channel bottom;
Then, carry out the construction of vacuum rete, described vacuum rete adopts the double-layer vacuum film, comprises first vacuum diaphragm 1 and second vacuum diaphragm 2;
At last, carrying out clay backfilling successively forms argillic horizon 9, mud backfill and forms mud 8, covers water and form and cover water layer 7.
In sum, the sealing groove structure that the utility model provides, by vertically offering groove in the bottom of groove along groove, can increase the length of the vacuum rete that is covered on groove and the groove indirectly, and, when described vacuum rete is covered in described groove and above the groove time, some vacuum rete is embedded in the described envelope wall, thereby, make the vacuum rete that seals to be unified into an integral body with envelope wall, guarantee the sealing of vacuum rete periphery, the steam contact of exclusion seal structure two side areas, assurance is positioned at the sealing in the precompressed plot of sealing groove structure one side, and the precompressed plot reduces to be positioned at the soil deformation in the zone that seals the groove structure opposite side in the precompressed process.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (10)
1. one kind seals groove structure, the ground, vacuum rete and the argillic horizon that comprise with groove, the below, bottom of described groove is provided with envelope wall, it is characterized in that, a groove is vertically offered along groove in the bottom of described groove, described vacuum rete is covered on described groove and the groove, and described argillic horizon is covered on the described vacuum rete.
2. sealing groove structure according to claim 1 is characterized in that, also comprises mud, and described mud is covered in above the described argillic horizon.
3. sealing groove structure according to claim 2 is characterized in that, also comprises and covers water layer, and the described water layer that covers is covered in above the described mud.
4. sealing groove structure according to claim 1 is characterized in that, described vacuum rete adopts the double-layer vacuum film.
5. sealing groove structure according to claim 1 is characterized in that, the width of described groove and the degree of depth all are 250 ~ 350 millimeters.
6. sealing groove structure according to claim 1 is characterized in that, the thickness of described argillic horizon is 250 ~ 350 millimeters.
7. sealing groove structure according to claim 1 is characterized in that, is provided with sand cushion above being positioned at the described ground of described groove both sides.
8. sealing groove structure according to claim 7 is characterized in that, is provided with geotextiles above the described sand cushion.
9. sealing groove structure according to claim 7 is characterized in that, the inner horizontal of described sand cushion arranges chimney filter.
10. according to any described sealing groove structure in the claim 1 ~ 9, it is characterized in that the described ground internal layout that is positioned at described groove both sides is provided with the band drain of some vertical directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736698 CN203200740U (en) | 2012-12-27 | 2012-12-27 | Sealing ditch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220736698 CN203200740U (en) | 2012-12-27 | 2012-12-27 | Sealing ditch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203200740U true CN203200740U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220736698 Expired - Lifetime CN203200740U (en) | 2012-12-27 | 2012-12-27 | Sealing ditch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203200740U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397626A (en) * | 2013-08-15 | 2013-11-20 | 上海建工七建集团有限公司 | Vacuum preloading foundation treatment seal gutter and construction method thereof |
-
2012
- 2012-12-27 CN CN 201220736698 patent/CN203200740U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103397626A (en) * | 2013-08-15 | 2013-11-20 | 上海建工七建集团有限公司 | Vacuum preloading foundation treatment seal gutter and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130918 |