CN207567752U - A kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling - Google Patents
A kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling Download PDFInfo
- Publication number
- CN207567752U CN207567752U CN201721741652.6U CN201721741652U CN207567752U CN 207567752 U CN207567752 U CN 207567752U CN 201721741652 U CN201721741652 U CN 201721741652U CN 207567752 U CN207567752 U CN 207567752U
- Authority
- CN
- China
- Prior art keywords
- mud
- backfill
- sealing ditch
- rockfilling
- constructing structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling.A kind of sealing ditch constructing structure of the place Soft Ground Improved By Vacuum Preloading processing of rockfilling, it is characterised in that：The sealing ditch constructing structure includes groove, vacuum film layer and backfill mud, the trench floor enters in the mud of pending ground, backfill mud forms backfill mud in the trench, the backfill height of the backfill mud is more than the Backfilled Stone Layer of pending ground, the vacuum film layer is formed by being sequentially coated on woven cloth, geotextiles and diaphragm seal above pending ground sand bedding course, and the edge of vacuum film layer is placed in backfill mud.The utility model has the characteristics of practice is simple, and leakproofness is good, can effectively solve the problem that the leakage problem for the place sealing ditch that rockfills.
Description
Technical field
It is specifically a kind of in the close of large area stone-filled place vacuum preloading the utility model is related to field of foundation treatment
Seal ditch constructing structure.
Background technology
Vacuum Preloading Method for Consolidation of Soft Soil Foundation key technology includes vacuum system, drainage system and sealing system.Seal ditch
Main function be to ensure that the leakproofness in precompressed place, block water inside and outside precompressed place, gas contact, stablize the vacuum in precompressed place
Degree.The leakproofness of sealing ditch is to ensure the key measure of vacuum preloading effect.Seal the poor sealing of ditch, the vacuum of precompressed zone
Degree is extremely difficult to design requirement, and consolidation effect will have a greatly reduced quality, and can cause to reinforce failure when serious.
Invention content
The utility model provides a kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling, can be more square
Just in the field construction that rockfills, and can ensure seal ditch have good leakproofness.
Technical solution provided by the utility model is：A kind of sealing ditch spread of the place Soft Ground Improved By Vacuum Preloading processing of rockfilling
Work structure, it is characterised in that：The sealing ditch constructing structure includes groove, vacuum film layer and backfill mud, the trench bottom
Plate enters in the mud of pending ground, backfills mud in the trench and forms backfill mud, the backfill mud returns
Raising degree is more than the Backfilled Stone Layer of pending ground, and the vacuum film layer is by being sequentially coated on above pending ground sand bedding course
Woven cloth, geotextiles and diaphragm seal composition, the edge of vacuum film layer are placed in backfill mud.
The utility model preferably technical solution：The groove of the sealing ditch excavates to be formed using reverse shovel grab,
Baseplate width is 800mm~1000mm, and trench floor enters the not small 500mm of depth of the mud of pending ground.
The utility model preferably technical solution：Water is added in when backfilling mud backfill, and above backfill mud
Water layer is covered in formation.
The utility model preferably technical solution：The diaphragm seal is close by being sequentially coated on the second layer above geotextiles
Sealer and first layer diaphragm seal composition.
The utility model preferably technical solution：The edge of woven cloth, geotextiles and diaphragm seal in the vacuum film layer
At least 500mm depth is placed in backfill mud.
The utility model preferably technical solution：The backfill height of the backfill mud is more than the layer height that rockfills
200mm~500mm.
The utility model place sealing ditch side wall that can effectively prevent from rockfilling rockfills and punctures vacuum diaphragm under the vacuum pressures,
Block inside and outside water, the gas contact of precompressed place Backfilled Stone Layer, it is ensured that seal the seal of ditch, sealing ditch is simple in structure, backfills mud
It can gather materials on the spot, easy for construction, securely and reliably, sealing ditch can double as the gutter of entire ground disposal field.
Description of the drawings
Fig. 1 is the structural profile illustration of the utility model sealing ditch；
In figure：1-groove, the mud of 2-pending ground, 3-backfill mud, 4-pending ground rockfill
Layer, 5-pending ground sand bedding course, 6-woven cloth, 7-geotextiles, 8-diaphragm seal, 9-cofferdam, 10-drain bar.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, and one kind as shown in Figure 1 is rockfilled place vacuum preloading
The sealing ditch constructing structure of basement process, it is characterised in that：The sealing ditch constructing structure includes groove 1, vacuum film layer and returns
Mud 3 is filled out, 1 bottom plate of groove enters in the mud 2 of pending ground, and the groove 1 of the sealing ditch uses backhoe type
Excavator excavates to be formed, and baseplate width is 800mm~1000mm, and trench floor enters the depth of the mud 2 of pending ground
The not small 500mm of degree.Backfill mud forms backfill mud 3 in groove 1, and the backfill height of the backfill mud 3 is more than to treat
200mm~500mm of 4 height of Backfilled Stone Layer of Ground Treatment in order to increase its sealing effect, can be returned in backfill mud 3
Water is added in when filling out, and is formed above backfill mud 3 and covers water layer.The vacuum film layer is by being sequentially coated on pending ground
Woven cloth 6, geotextiles 7 and the diaphragm seal 8 of 5 top of sand bedding course form, and the diaphragm seal 8 is by being sequentially coated in geotextiles 7
Second layer diaphragm seal and first layer the diaphragm seal composition of side.Woven cloth 6, geotextiles 7 and diaphragm seal 8 in the vacuum film layer
Edge is placed in backfill mud 3 at least 500mm depth.
The utility model work progress is as follows：
(1) surveying setting-out according to construction drawing, determines ground process range；
(2) pave sand bedding course in basement process place, and the thickness of sand bedding course is 500mm, if place sand material is sufficient, pad
Layer thickness can be 600mm~800mm；Sand material should select the middle sand or coarse sand that clay content is not more than 5%；
(3) drain bar 10 is set in basement process place using oscillatory type or hydraulic type insertion trigger；
(4) groove of sealing ditch, excavator-type shovel clamshell excavator width 800mm~1000mm, groove are excavated using reverse shovel grab
Baseplate width and excavator-type shovel clamshell excavator equivalent width；The thickness that trench floor enters pending ground mud 2 is not less than 500mm；
(5) it excavates the earth and stone material landfill that sealing ditch is discarded and forms cofferdam 9；
(6) take homogeneous mud near place, be backfilling into sealing ditch groove 1；In backfilling process, appropriate amount is added in
Water, backacter are stirred when filling out, and are finally formed backfill mud 3 in sealing ditch and are covered water layer, and backfill silt depth is high
In the Backfilled Stone Layer of sealing ditch trenched side-wall, more than Backfilled Stone Layer 200mm~500mm.
(7) it is laid with woven cloth 6 and geotextiles 7, woven cloth 6 and geotextiles 7 successively in the top of pending ground sand bedding course 5
That 500mm in sealing ditch is treaded in a manner that artificial foot is stepped on is deep for end；
(8) it is laid with second layer diaphragm seal successively in the top of geotextiles 7 and first layer diaphragm seal forms diaphragm seal 8, sealing
It is deep that the end of film 8 treads in 500mm in sealing ditch in a manner that artificial foot is stepped on；Complete the construction of entire sealing ditch.
Claims (6)
1. a kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling, it is characterised in that：The sealing ditch construction
Structure includes groove (1), vacuum film layer and backfill mud (3), and groove (1) bottom plate enters the mud of pending ground
(2) in, backfill mud forms backfill mud (3) in groove (1), and the backfill height of the backfill mud (3) is more than to treat
The Backfilled Stone Layer (4) of Ground Treatment, the vacuum film layer are the woven cloths by being sequentially coated on above pending ground sand bedding course (5)
(6), geotextiles (7) and diaphragm seal (8) composition, the edge of vacuum film layer are placed in backfill mud (3).
2. a kind of sealing ditch constructing structure of place Soft Ground Improved By Vacuum Preloading processing of rockfilling according to claim 1, feature
It is：It is described sealing ditch groove (1) excavate to be formed using reverse shovel grab, baseplate width be 800mm~1000mm, ditch
Trough floor enters the not small 500mm of depth of the mud (2) of pending ground.
3. a kind of sealing ditch constructing structure of place Soft Ground Improved By Vacuum Preloading processing of rockfilling according to claim 1, feature
It is：Water is added in, and formed above backfill mud (3) and cover water layer when backfilling mud (3) and backfilling.
4. a kind of sealing ditch constructing structure of place Soft Ground Improved By Vacuum Preloading processing of rockfilling according to claim 1, feature
It is：The diaphragm seal (8) is the second layer diaphragm seal and first layer diaphragm seal group by being sequentially coated on above geotextiles (7)
Into.
5. a kind of sealing ditch constructing structure of place Soft Ground Improved By Vacuum Preloading processing of rockfilling according to claim 1, feature
It is：The edge of woven cloth (6), geotextiles (7) and diaphragm seal (8) in the vacuum film layer is placed in backfill mud (3)
Inside at least 500mm depth.
6. a kind of sealing ditch constructing structure of place Soft Ground Improved By Vacuum Preloading processing of rockfilling according to claim 1, feature
It is：The backfill height of the backfill mud (3) is more than the 200mm~500mm of Backfilled Stone Layer (4) height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741652.6U CN207567752U (en) | 2017-12-13 | 2017-12-13 | A kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721741652.6U CN207567752U (en) | 2017-12-13 | 2017-12-13 | A kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207567752U true CN207567752U (en) | 2018-07-03 |
Family
ID=62686953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721741652.6U Active CN207567752U (en) | 2017-12-13 | 2017-12-13 | A kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207567752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211178A (en) * | 2020-10-29 | 2021-01-12 | 上海兴怡基础工程有限公司 | Method for dewatering treatment of soft foundation by film sealing vacuum well point |
-
2017
- 2017-12-13 CN CN201721741652.6U patent/CN207567752U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211178A (en) * | 2020-10-29 | 2021-01-12 | 上海兴怡基础工程有限公司 | Method for dewatering treatment of soft foundation by film sealing vacuum well point |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chu et al. | Innovative methods for dike construction–An overview | |
| CN103628468B (en) | A kind of water penetration pile combined vacuum prepressing ground foundation treatment method | |
| CN102995599B (en) | Anti-freeze anti-seepage water diversion treatment method of collapsible loess water-conveyance canal | |
| CN100480472C (en) | Quick reinforcing method and reinforcing device for super soft weak soil | |
| CN102587352A (en) | Hot-water draining consolidation processing device and hot-water draining consolidating processing method for soft soil foundation | |
| CN101806055B (en) | Vacuum pre-pressed joint rigid pile composite foundation reinforcing method | |
| CN105804007B (en) | A kind of reinforced earth quaywall structure based on the soft base of beach | |
| CN109469042B (en) | Anti-seepage storage yard field karst cave processing structure | |
| CN111535105A (en) | Waterproof isolation protection structure for municipal road subgrade in coastal plain area and construction method | |
| CN205399440U (en) | Inflation dirt road moat structure | |
| CN205636721U (en) | Strain equipment that well vacuum preloading consolidated deep soft soil foundation | |
| CN207567752U (en) | A kind of sealing ditch constructing structure for place Soft Ground Improved By Vacuum Preloading processing of rockfilling | |
| CN207537975U (en) | Deep covering layer top panel Rockfill Dam based moisture barrier structure | |
| CN109083100A (en) | A kind of channel excavation construction technology for blowing mud Cheng Luhou | |
| CN103276717B (en) | The method of composite earthwork synthetic materials reinforcement cushion soft soil foundation | |
| CN108729459A (en) | The horizontal Method on Dewatering of Foundation Pit of shallow-layer being used cooperatively with tube well dewatering and well-points dewatering | |
| CN110804994B (en) | Reservoir dam construction method | |
| CN107881987A (en) | Deep covering layer top panel Rockfill Dam based moisture barrier structure | |
| CN110144871A (en) | A kind of dark creek processing construction method | |
| CN212316981U (en) | Water intake pipeline structure penetrating through soft foundation dike below flood level | |
| CN213143069U (en) | Pouring type impervious core earth-rock dam structure | |
| CN204435321U (en) | A kind of steam power station water intaking open channel | |
| CN211285634U (en) | Bottom hole structure for ensuring bottom sealing quality of pipe-jacking working well | |
| CN210315653U (en) | Cover plate ditch for laying underground buried pipe | |
| CN113047236A (en) | Deep soft soil treatment method for earth-rock dam foundation and earth-rock dam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430080 No. 17 metallurgical Avenue, Qingshan District, Hubei, Wuhan Patentee after: MCC Wukan Engineering Technology Co.,Ltd. Address before: 430080 No. 17 metallurgical Avenue, Qingshan District, Hubei, Wuhan Patentee before: WUHAN SURVEYING GEOTECHNICAL RESEARCH INSTITUTE Co.,Ltd. OF MCC |