CN208328962U - A kind of drainage of foundation pit device under the head positioned at low pressure water - Google Patents
A kind of drainage of foundation pit device under the head positioned at low pressure water Download PDFInfo
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- CN208328962U CN208328962U CN201820736558.XU CN201820736558U CN208328962U CN 208328962 U CN208328962 U CN 208328962U CN 201820736558 U CN201820736558 U CN 201820736558U CN 208328962 U CN208328962 U CN 208328962U
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- foundation pit
- drainage
- cement
- foundation
- sand tube
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Abstract
The utility model discloses the drainage of foundation pit devices under a kind of head positioned at low pressure water, comprising: foundation pit；Foundation trench, foundation trench are provided with the hole bottom of foundation pit, the saturating sand tube of cement are vertically embedded in foundation trench, and one end is stretched out outside foundation trench；Immersible pump, immersible pump are fixedly mounted on inside the saturating sand tube of cement, and the water outlet direction of immersible pump and the arranged direction of the saturating sand tube of cement are arranged in parallel；Drainpipe, one end of drainpipe are connected to the water outlet of immersible pump, and the other end of drainpipe stretches out outside foundation pit；Metal filter pipe, metal filter pipe are more, and more metal filter pipes tilt the outer periphery for being embedded in the saturating sand tube of cement in the horizontal direction, and one end of more metal filter pipes is connected to the saturating sand tube of cement respectively；Drainage layer, drainage layer are laid on inside foundation trench.The drainage arrangement can effectively exclude foundation pit internal water accumulation, to be conducive to the progress of excavation of foundation pit operation, effectively shorten the construction period, while structure is simple, safe and reliable, easy to use.
Description
Technical field
The utility model relates to technical field of building construction, under more particularly to a kind of head positioned at low pressure water
Drainage of foundation pit device.
Background technique
Architectural engineering in excavation of foundation pit, often encounter in soil layer there are low pressure water (artesian water belongs to artesian aquifer,
It is a kind of water layer speciality proposed as provincialism speciality, in general, by artesian head height less than 3m's in base pit engineering
Artesian aquifer is known as low pressure water), in Excavation Process, artesian water will constantly pour into foundation pit, and make drift sand constantly to hole
Bottom siltation, causes excavation of foundation pit difficulty larger.
Therefore, how to provide the effective drainage of foundation pit device being located under low pressure water head for excluding foundation pit internal water accumulation of one kind is
The problem of those skilled in the art's urgent need to resolve.
Utility model content
In view of this, the present invention provides a kind of effective bases being located under low pressure water head for excluding foundation pit internal water accumulation
Cheat drainage arrangement.
To achieve the goals above, the utility model adopts the following technical solution:
Foundation pit,
Foundation trench, the foundation trench are provided with the hole bottom of the foundation pit, and the saturating sand tube of cement, and one are vertically embedded in the foundation trench
End is stretched out outside the foundation trench；
Immersible pump, the immersible pump is fixedly mounted on inside the saturating sand tube of the cement, and the water outlet side of the immersible pump
It is arranged in parallel to the arranged direction with the saturating sand tube of the cement；
Drainpipe, one end of the drainpipe are connected to the water outlet of the immersible pump, and the other end of the drainpipe is stretched
Out outside the foundation pit；
Metal filter pipe, the metal filter pipe are more, and the more metal filter pipes bury in the horizontal direction by inclination
It is located at the outer periphery of the saturating sand tube of the cement, and one end of the more metal filter pipes connects with the saturating sand tube of the cement respectively
It is logical；
Drainage layer, the drainage layer are laid on inside the foundation trench.
It can be seen via above technical scheme that the utility model discloses the foundation pit provided under a kind of head positioned at low pressure water
Drainage arrangement, the drainage arrangement can effectively exclude foundation pit internal water accumulation, to be conducive to the progress of excavation of foundation pit operation, effectively shorten
Construction period；Meanwhile the device has easy construction, short construction period, saves construction cost, safety and environmental protection, also,
Drainage of foundation pit apparatus structure design is reasonable, structure is simple, safe and reliable, easy to use, easy to maintain, has and promotes well
Use value.
Further, multi-layer nonwoven fabrics are enclosed on the outer wall of the saturating sand tube of the cement, the metal filter pipe.
The beneficial effect generated by adopting the above technical scheme is that multi-layer nonwoven fabrics may filter that the silt of 1~5mm of partial size.
Further, the non-woven fabrics is two-layer nonwoven.
The beneficial effect generated by adopting the above technical scheme is that non-woven fabrics is two-layer nonwoven, so that the filtering to ponding
Effect is more preferable and save the cost.
Further, the drainage layer is rubble drainage layer or cobble drainage layer.
The beneficial effect generated by adopting the above technical scheme is that rubble drainage layer and cobble drainage layer may filter that partial size 5mm
Above silt, and rubble and cobble are easy to draw materials, transport, is at low cost.
Further, the radical of the metal filter pipe is 3~5.
The beneficial effect generated by adopting the above technical scheme is that metal filter pipe not only can play support to non-woven fabrics and make
With, and have to filtered water body and collect, filter, elicitation effect.
Further, the tilt angle is 1~3 degree.
The beneficial effect generated by adopting the above technical scheme is, metal filter pipe in the horizontal direction inclination be embedded in it is described
The outer periphery of the saturating sand tube of cement, and tilt angle is 1~3 degree, filtered water body is collected to by more conducively metal filter pipe
Foundation pit improves its filter efficiency, in order to the discharge of ponding.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 attached drawing is the structural representation of the drainage of foundation pit device under a kind of head positioned at low pressure water provided by the utility model
Figure.
Wherein: 1- foundation pit, 11- side slope, 2- foundation trench, the saturating sand tube of 3- cement, 4- immersible pump, 5- drainpipe, 6- metal drainage
Pipe, 7- drainage layer, 8- non-woven fabrics.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model embodiment discloses the drainage of foundation pit device under a kind of head positioned at low pressure water, specifically
, comprising: foundation pit 1；Foundation trench 2, foundation trench 2 are provided with the hole bottom of foundation pit 1, and the saturating sand tube 3 of cement, and one are vertically embedded in foundation trench 2
End is stretched out outside foundation trench 2；Immersible pump 4, immersible pump 4 is fixedly mounted on inside the saturating sand tube 3 of cement, and the water outlet side of immersible pump 4
It is arranged in parallel to the arranged direction with the saturating sand tube 3 of cement；One end of drainpipe 5, drainpipe 5 is connected to the water outlet of immersible pump 4,
The other end of drainpipe 5 stretches out outside foundation pit 1；Metal filter pipe 6, metal filter pipe 6 are more, and more metal filter pipes 6 are equal
Inclination is embedded in the outer periphery of the saturating sand tube 3 of cement in the horizontal direction, and one end of more metal filter pipes 6 is saturating with cement respectively
Sand tube 3 is connected to；Drainage layer 7, drainage layer 7 are laid on inside foundation trench 2.
In order to optimize above-mentioned technical proposal, the utility model additionally provides a kind of filter effect better implementation example, specifically
, the saturating sand tube 3 of cement, metal filter pipe 6 outer wall on be enclosed with multi-layer nonwoven fabrics 8.Its kind, non-woven fabrics may filter that partial size 1
The silt of~5mm.
In order to optimize above-mentioned technical proposal, the utility model provides a kind of embodiment, and non-woven fabrics 8 is two-layer nonwoven,
While guaranteeing filter effect, building cost is effectively reduced.
In order to optimize above-mentioned technical proposal, the utility model provides a kind of embodiment, drainage layer 7 be rubble drainage layer or
Cobble drainage layer.Wherein, rubble drainage layer and cobble drainage layer may filter that the silt of partial size 5mm or more, and rubble and cobble
It is easy to draw materials, transports, is at low cost.
In order to optimize above-mentioned technical proposal, the utility model provides a kind of embodiment, and the radical of metal filter pipe 6 is 3
~5.Wherein, metal filter pipe can not only play a supportive role to non-woven fabrics, but also have to filtered water body and collect, mistake
Filter, elicitation effect.
In order to optimize above-mentioned technical proposal, the utility model provides a kind of embodiment, and tilt angle is 1~3 degree.Its
In, metal filter pipe tilts the outer periphery for being embedded in the saturating sand tube of the cement in the horizontal direction, and tilt angle is 1~3
Degree, more conducively filtered water body is collected to foundation pit by metal filter pipe, its filter efficiency is improved, in order to the discharge of ponding.
The utility model provides the arrangement principle of drainage arrangement, specific as follows:
After absolute altitude where earth excavation to artesian head, 1 inner sidewall of foundation pit and hole bottom start water burst, for convenient for soil in next step
Side is excavated, and when excavating so far absolute altitude, the saturating sandpipe 3 of vertical cement and immersible pump 4 is laid in foundation trench 2, for excluding in foundation pit
Bright water.After the saturating sandpipe 3 of cement and immersible pump 4 are embedded, to prevent 11 flowing water erosion foundation pit of side slope, 1 side wall, side wall is caused to collapse,
11 position of excavation slope first carries out the construction of ring ladder formula concrete ground beam, carries out supporting to excavation slope 11, this supporting can
The effectively control excavation slope soil body collapses, and working security is high, while reducing earthwork outward transport, protects environment.It should be noted that
Earth excavation is carried out with ground beam construction staged, and every completion single order ground beam construction just carries out a step earth excavation, until being excavated to
The substrate absolute altitude of design requirement.
In digging process, immersible pump 4 and the saturating sand tube 3 of cement, drainage layer 7 guarantee immersible pump 4 with adjustment absolute altitude in time is excavated
And the pumping equipments such as the saturating sand tube 3 of cement, drainage layer 7 are constantly in the bright water water surface of foundation pit hereinafter, and ensuring bright water depth in foundation pit
No more than 30mm, to provide work surface for next procedure.Then by multiple metal filter pipes 6, inclination is embedded in the horizontal direction
The outer periphery of the saturating sand tube 3 of cement, and tilt angle is 1~3 degree, to be collected to base ponding, be filtered, meanwhile, in order to
Improve ponding drainage effect, the saturating sand tube 3 of cement, 6 outer wall of metal filter pipe be all made of two-layer nonwoven 8 package, with to partial size 1~
5mm silt is filtered.
The utility model discloses the drainage of foundation pit device provided under a kind of head positioned at low pressure water, which can
Foundation pit internal water accumulation is effectively excluded, to be conducive to the progress of excavation of foundation pit operation, effectively shortens the construction period；Meanwhile the device
With easy construction, short construction period, construction cost, safety and environmental protection are saved, also, the drainage of foundation pit apparatus structure designs
Rationally, structure is simple, safe and reliable, easy to use, easy to maintain, has good value for applications.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. the drainage of foundation pit device under a kind of head positioned at low pressure water characterized by comprising
Foundation pit (1),
Foundation trench (2), the foundation trench (2) are provided with the hole bottom of the foundation pit (1), and it is saturating to be vertically embedded with cement in the foundation trench (2)
Sand tube (3), and foundation trench (2) outside is stretched out in one end；
Immersible pump (4), the immersible pump (4) are fixedly mounted on inside the saturating sand tube of the cement (3), and the immersible pump (4)
Water outlet direction and the arranged direction of the saturating sand tube of the cement (3) are arranged in parallel；
One end of drainpipe (5), the drainpipe (5) is connected to the water outlet of the immersible pump (4), the drainpipe (5)
It is external that the other end stretches out the foundation pit (1)；
Metal filter pipe (6), the metal filter pipe (6) are more, and the more metal filter pipes (6) are inclined in the horizontal direction
Tiltedly be embedded in the outer periphery of the saturating sand tube of the cement (3), and one end of the more metal filter pipes (6) respectively with the water
The saturating sand tube of mud (3) connection；
Drainage layer (7), it is internal that the drainage layer (7) is laid on the foundation trench (2).
2. the drainage of foundation pit device under a kind of head positioned at low pressure water according to claim 1, which is characterized in that the water
The saturating sand tube of mud (3), the metal filter pipe (6) outer wall on be enclosed with multi-layer nonwoven fabrics (8).
3. the drainage of foundation pit device under a kind of head positioned at low pressure water according to claim 2, which is characterized in that the nothing
Woven fabric (8) is two-layer nonwoven.
4. the drainage of foundation pit device under a kind of head positioned at low pressure water according to claim 1, which is characterized in that the filter
Water layer (7) is rubble drainage layer or cobble drainage layer.
5. the drainage of foundation pit device under a kind of head positioned at low pressure water according to claim 1, which is characterized in that the gold
The radical for belonging to filter pipe (6) is 3~5.
6. the drainage of foundation pit device under a kind of head positioned at low pressure water according to claim 1, which is characterized in that the gold
The tilt angle for belonging to filter pipe is 1~3 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820736558.XU CN208328962U (en) | 2018-05-17 | 2018-05-17 | A kind of drainage of foundation pit device under the head positioned at low pressure water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820736558.XU CN208328962U (en) | 2018-05-17 | 2018-05-17 | A kind of drainage of foundation pit device under the head positioned at low pressure water |
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| CN208328962U true CN208328962U (en) | 2019-01-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089681A (en) * | 2021-04-23 | 2021-07-09 | 中建八局第一建设有限公司 | Waterproof invasion structure of deep foundation pit base concrete cushion layer and construction method |
-
2018
- 2018-05-17 CN CN201820736558.XU patent/CN208328962U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089681A (en) * | 2021-04-23 | 2021-07-09 | 中建八局第一建设有限公司 | Waterproof invasion structure of deep foundation pit base concrete cushion layer and construction method |
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