CN205954607U - Pre -compaction structure of hydraulic reclamation silt ground - Google Patents
Pre -compaction structure of hydraulic reclamation silt ground Download PDFInfo
- Publication number
- CN205954607U CN205954607U CN201620926119.6U CN201620926119U CN205954607U CN 205954607 U CN205954607 U CN 205954607U CN 201620926119 U CN201620926119 U CN 201620926119U CN 205954607 U CN205954607 U CN 205954607U
- Authority
- CN
- China
- Prior art keywords
- blowing
- drinking
- cofferdam
- water pipe
- filling sludge
- 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
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model discloses a pre -compaction structure of hydraulic reclamation silt ground, the cofferdam is located the periphery of hydraulic reclamation silt, vertical drainage including setting up in locating the ground in hydraulic reclamation silt and bottom it personally experiences sth. Part of the body, sets up in ground base surface's bed load layer, the top of the vertical drainage body is equipped with the vacuum tube layer, vacuum tube layer connection vacuum pump, cofferdam and vacuum tube layer coat is stamped the vacuum membrane, the cofferdam is provided with an at least horizontal cavity drinking -water pipe along circumference in the bottom, the drinking -water pipe includes sclausura section and porose section, the side pipe wall equipartition of porose section is provided with a plurality of holes of permeating water, porose section is arranged in the bed load in situ, sclausura period number in stretch out the cofferdam bottom, stretches out the end and be connected with the suction pump. The utility model discloses pre -compaction structure of hydraulic reclamation silt ground can reducing underground water level, drainage effect is better, the ground concreties the effect better and the bearing capacity is stronger.
Description
Technical field
This utility model belongs to reclaiming land around sea technical field and in particular to a kind of prepressing structure of blowing-filling sludge ground.
Background technology
Blowing-filling sludge epeirogenetic, for urban construction and industrial and agricultural production, effectively alleviates economic development with construction land not
The contradiction of foot, therefore substantial amounts of reclamation engineering is constantly carried out in recent years.
Commonly used vacuum preloading discharging consolidation carries out the reinforcing of blowing-filling sludge ground at present, due to the limitation of prepressing structure
Property, the water of extraction is the dissipation of the super quiet hole water stress that vacuum preloading causes, blowing-filling sludge or saturation, that is,：Hydraulic reclamation
Be vacuum state inside mud, due to vacuum diaphragm outside atmospheric pressure effect extruding mud in moisture, producing ultra-clean pore water should
Power, after discharging with part moisture, pressure will be applied progressively on soil skeleton, and ultra-clean hole water stress slowly disappears.Wait to surpass
Only although draining pump can form vacuum state after pore water pressure dissipates completely, but it is also vacuum state under vacuum diaphragm, and draining
Pump is arranged on blowing-filling sludge layer again, and the water in blowing-filling sludge just cannot be discharged, and level of ground water also just cannot decline, and hydraulic reclamation becomes silted up
Mud remains saturation, thus leading to pre-compressed effect not good enough, foundation bearing capacity is still relatively low.
Utility model content
For above-mentioned deficiency of the prior art, this utility model provides one kind being capable of lowering of watertable, draining effect
The prepressing structure of the blowing-filling sludge ground that fruit is more preferably, ground consolidation is better, bearing capacity is higher.
For achieving the above object, this utility model employs technical scheme below：
A kind of prepressing structure of blowing-filling sludge ground, cofferdam is located at the periphery of blowing-filling sludge, including being arranged at blowing-filling sludge
In and vertical drainage body in ground for its bottom, be arranged at the bed load layer of foundation surface；The top of described vertical drainage body
It is provided with vacuum tube layer, vacuum tube layer connects vacuum pump, described cofferdam and vacuum tube layer overlying are stamped vacuum diaphragm；Described cofferdam is along week
It is provided with least one horizontal hollow drinking-water pipe in bottom, described drinking-water pipe includes imperforate section and has hole section, and described have hole
The side pipe wall of section has been uniformly arranged some permeable holes；Described have hole section to be placed in described bed load layer, and described imperforate section is located at described
Cofferdam bottom is simultaneously stretched out, and external part is connected with suction pump.
Preferably, the diameter of described permeable hole is less than the effective grain size of sand in described bed load layer.
Preferably, the laying depth of described bed load layer is more than the external diameter of described drinking-water pipe.
Further, described bed load layer is middle sand, and the infiltration coefficient of described middle sand is between 0.01～0.1cm/s.
Preferably, have hole section and the imperforate section of described drinking-water pipe is set to integral type or split type.
Preferably, described vertical drainage body is set to plastic draining board or anti-bending drainage channel.
Preferably, the house steward that described vacuum tube layer includes arm and connects described arm, described arm connects vertical drainage
Body, described house steward connects vacuum pump.
Preferably, described drinking-water pipe is steel pipe.
Further, when drinking-water pipe is set to many, many described drinking-water pipes are circumferentially in the bottom even cloth in cofferdam
If.
The beneficial effects of the utility model are：
In this utility model prepressing structure, the moisture in mud can be arranged by the setting of vertical drainage body by negative pressure of vacuum
Go out, meanwhile, the setting of drinking-water pipe, so that part moisture penetration is flowed in drinking-water pipe by permeable hole after entering bed load layer, is led to
Cross drinking-water pipe to discharge, reduce water level, not only achieve the effect of vacuum preloading, also reach precipitating, pre-pressing purpose simultaneously, that is, real
The effect of existing vacuum-dewatering joint preloading, improves drainage efficiency, can rapidly solidified mud so that the ground ultimately forming holds
Load power more preferably, more surely, more firmly, is difficult.
Brief description
Fig. 1 is structure schematic diagram of the present utility model.
Fig. 2 is the arrangement schematic diagram of drinking-water pipe in this utility model.
The implication of in figure label symbol is as follows：
1- cofferdam 2- vertical drainage body 3- bed load layer 4- vacuum tube layer
5- vacuum diaphragm 6- blowing-filling sludge 7- ground 8- drinking-water pipe
81- permeable hole 9- suction pump
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model is carried out clear,
It is fully described by.Following examples are only used for clearly the technical solution of the utility model being described, and can not be limited with this
Make protection domain of the present utility model.
As shown in figure 1, being a kind of prepressing structure of blowing-filling sludge ground, cofferdam 1 is located at the periphery of blowing-filling sludge 6, including
It is arranged in blowing-filling sludge 6 and vertical drainage body 2 in ground 7 for its bottom, be arranged at the bed load layer 3 on ground 7 surface；Perpendicular
It is provided with vacuum tube layer 4 to the top of displacement hull 2, vacuum tube layer 4 connects vacuum pump, and cofferdam 1 and vacuum tube layer 4 are coated with vacuum
Film 5；Cofferdam 1 is circumferentially provided with least one horizontal hollow drinking-water pipe 8 in bottom, and drinking-water pipe 8 includes imperforate section and has hole
Section, the side pipe wall having hole section has been uniformly arranged some permeable holes 81；Hole section is had to be placed in bed load layer 3, imperforate section is located at cofferdam 1 bottom
Portion simultaneously stretches out, and external part is connected with suction pump 9.
Wherein, vertical drainage body 2 is arranged on depth in ground 7 is 5～10cm, drinking-water pipe 8 can be set to one, two,
Four etc., concrete number, then is evenly arranged divided by the load area quantification of single pump according to the area of blowing-filling sludge.As Fig. 2
Shown, the number of drinking-water pipe 8 is ten, and the circumference along cofferdam 1 is uniformly arranged.
On the basis of technique scheme, this utility model also can improve as follows：
The diameter of permeable hole 81 is less than the effective grain size of sand in bed load layer 3, it can be avoided that the sand in bed load layer 3 enters
Permeable hole, thus blockage phenomenon, improves effect of drawing water further.
The laying depth of bed load layer 3 is more than the external diameter of drinking-water pipe 8, and the laying depth of usual bed load layer 3 is more than downcomer 8
More than external diameter 5cm；So as to guarantee that bed load layer 3 is completely covered drinking-water pipe 8 it is ensured that effective infiltration of bed load layer 3 and drinking-water pipe 8
Area, improves drainage effect.
Bed load layer 3 is middle sand, the infiltration coefficient of middle sand between 0.01～0.1cm/s so that the permeability of bed load layer is optimal,
Lift drainage efficiency further.
Have hole section and the imperforate section of drinking-water pipe 8 are set to integral type or split type, can be set to one according to Specific construction situation
Body formula does not need other installment works when using, and improves work efficiency；When being set to split type, there are hole section and imperforate section removable
Unload connection, be easy to reuse, material-saving.
Vertical drainage body 2 is set to plastic draining board or anti-bending drainage channel, can improve drainage efficiency further, favorably
Consolidation in ground.
Vacuum tube layer 4 includes the house steward of arm and connecting branch, and arm connects vertical drainage body 2, and house steward connects vacuum pump；
It is easy to evacuation work, improves vacuum preloading effect, optimize the degree of consolidation of ground further.
Drinking-water pipe 8 prevents drinking-water pipe 8 in work progress for steel pipe so that drinking-water pipe has very big bearing capacity in itself
The phenomenon shriveling or bending occurs, drinking-water pipe is unlikely to deform, and extends service life.
Below in conjunction with the accompanying drawings operation principle of the present utility model is described further.
As shown in figure 1, open vacuum pump and suction pump 9 simultaneously, the water in blowing-filling sludge 6 can be in the presence of vacuum preloading
Discharged by plastics vertical drainage body 2, simultaneously as conducting oneself with dignity, the water in blowing-filling sludge 1 can flow into bed load layer 3, the most gradually downward
Enter eventually in drinking-water pipe 8, due to the effect of suction pump 9, the water converging in drinking-water pipe 8 can be extracted out extraneous, reduce subsoil water
Position, accelerates drainage speed, improves the consolidation effect of ground 7.
The above is only preferred implementation of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from this utility model know-why, some improvement can also be made and deform, these change
Enter and deform also to should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of prepressing structure of blowing-filling sludge ground, cofferdam (1) be located at blowing-filling sludge (6) periphery it is characterised in that：Including
It is arranged in blowing-filling sludge (6) and vertical drainage body (2) in ground (7) for its bottom, be arranged at the bottom on ground (7) surface
Layer of sand (3)；The top of described vertical drainage body (2) is provided with vacuum tube layer (4), and vacuum tube layer (4) connects vacuum pump, described cofferdam
And vacuum diaphragm (5) is coated with vacuum tube layer (4) (1)；Described cofferdam (1) circumferentially bottom be provided with least one horizontal
Hollow drinking-water pipe (8), described drinking-water pipe (8) includes imperforate section and has hole section, if the described side pipe wall having hole section has been uniformly arranged
Parch water hole (81)；Described have hole section to be placed in described bed load layer (3), and described imperforate section is located at described cofferdam (1) bottom and stretches
Go out, external part is connected with suction pump (9).
2. a kind of blowing-filling sludge ground according to claim 1 prepressing structure it is characterised in that：Described permeable hole (81)
Diameter be less than described bed load layer (3) in sand effective grain size.
3. a kind of blowing-filling sludge ground according to claim 1 prepressing structure it is characterised in that：Described bed load layer (3)
Laying depth be more than described drinking-water pipe (8) external diameter.
4. a kind of blowing-filling sludge ground according to claim 2 prepressing structure it is characterised in that：Described bed load layer (3)
For middle sand, the infiltration coefficient of described middle sand is between 0.01～0.1cm/s.
5. a kind of blowing-filling sludge ground according to claim 1 prepressing structure it is characterised in that：Described drinking-water pipe (8)
Have hole section and imperforate section be set to integral type or split type.
6. a kind of blowing-filling sludge ground according to claim 1 prepressing structure it is characterised in that：Described vertical drainage body
(2) it is set to plastic draining board or anti-bending drainage channel.
7. a kind of blowing-filling sludge ground according to claim 1 prepressing structure it is characterised in that：Described vacuum tube layer
(4) arm and the house steward of the described arm of connection are included, described arm connects vertical drainage body (2), and described house steward connects vacuum pump.
8. a kind of blowing-filling sludge ground according to claim 1 prepressing structure it is characterised in that：Described drinking-water pipe (8)
For steel pipe.
9. a kind of blowing-filling sludge ground according to claim 8 prepressing structure it is characterised in that：When drinking-water pipe (8) sets
During for many, many described drinking-water pipes are circumferentially laid in the bottom even of cofferdam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620926119.6U CN205954607U (en) | 2016-08-23 | 2016-08-23 | Pre -compaction structure of hydraulic reclamation silt ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620926119.6U CN205954607U (en) | 2016-08-23 | 2016-08-23 | Pre -compaction structure of hydraulic reclamation silt ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205954607U true CN205954607U (en) | 2017-02-15 |
Family
ID=57977263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620926119.6U Active CN205954607U (en) | 2016-08-23 | 2016-08-23 | Pre -compaction structure of hydraulic reclamation silt ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205954607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305186A (en) * | 2020-02-20 | 2020-06-19 | 浙江省疏浚工程有限公司 | Double-layer vacuum preloading soft soil foundation reinforcing structure |
-
2016
- 2016-08-23 CN CN201620926119.6U patent/CN205954607U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305186A (en) * | 2020-02-20 | 2020-06-19 | 浙江省疏浚工程有限公司 | Double-layer vacuum preloading soft soil foundation reinforcing structure |
| CN111305186B (en) * | 2020-02-20 | 2021-09-03 | 浙江省疏浚工程有限公司 | Double-layer vacuum preloading soft soil foundation reinforcing structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102330424B (en) | Vacuum preloading consolidation method for duplex vacuum tube well of blowing filling soft soil | |
| CN205063005U (en) | Can carry out novel rainwater well that compensates to groundwater | |
| CN205077461U (en) | Absorption basin protects anti - drainage structures of straining of smooth bottom plate | |
| CN102817354A (en) | Method for dredging soft foundation by dredger fill and reinforcement | |
| CN107354951B (en) | Light well point water collecting pipe capable of being used for hydraulic punching and using method thereof | |
| CN208072375U (en) | A kind of vacuum method pinniform horizontal drainage structure | |
| CN106120701B (en) | Prepressing structure and method for Perioperative cardiac events blowing-filling sludge epeirogenetic | |
| CN106677158B (en) | A kind of blowing-filling sludge superficial layer Quick uniform processing method and structure recently | |
| CN205954648U (en) | Light well point precipitation device | |
| CN205954607U (en) | Pre -compaction structure of hydraulic reclamation silt ground | |
| CN102767174A (en) | Dynamic and static water-discharging vibration method | |
| CN1055978C (en) | Low-vacuum prepressurizing process for reinforcing and raising soft soil foundation | |
| CN107313421B (en) | A kind of rapidly solidified device of barged-in fill and construction method | |
| CN204370403U (en) | A kind of intermittent vacuum prepressing device | |
| CN206721904U (en) | A kind of integrated precipitation pumping system | |
| CN203307829U (en) | Outer blind ditch for waterproof facilities of underground project | |
| CN218116404U (en) | Vacuum preloading drainage system | |
| CN205348204U (en) | Light well point precipitation system | |
| CN207452926U (en) | A kind of instrument for improving Application of light well point precipitation efficiency | |
| CN207740043U (en) | Dispose the longitudinal drainage system of tunnel floor pore gas flow | |
| CN206512698U (en) | A kind of layer of blowing-filling sludge superficial recently Quick uniform processing structure | |
| CN201232181Y (en) | Permeable structure of rigid drainage pile | |
| CN105735240B (en) | A kind of vertical three-dimensional drainage arrangement reinforced for blowing-filling sludge and application method | |
| CN108625402A (en) | Foundation pit fertilizer slot ponding processing method | |
| CN211006723U (en) | Drainage structures of precipitation well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |