CN208441113U - A kind of soil engineering bag consolidated subsoil simultaneously safeguards underground piping basis - Google Patents
A kind of soil engineering bag consolidated subsoil simultaneously safeguards underground piping basis Download PDFInfo
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- CN208441113U CN208441113U CN201820856286.7U CN201820856286U CN208441113U CN 208441113 U CN208441113 U CN 208441113U CN 201820856286 U CN201820856286 U CN 201820856286U CN 208441113 U CN208441113 U CN 208441113U
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- underground piping
- engineering bag
- soil
- foundation
- soil engineering
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Abstract
The utility model provides a kind of soil engineering bag consolidated subsoil and safeguards underground piping basis, including soil engineering bag, underground piping, it is backfilling and compacted foundation soil, pit foundation excavation face, cement solidification process layer and ground, foundation pit is dug at the underground piping installing below ground, soil engineering bag is loaded in the foundation pit, and be filled with below the foundation pit two sides and underground piping and be backfilling and compacted foundation soil, cement solidification process layer is above the ground provided with the underground piping is corresponding.Soil engineering bag be combined with each other with underground piping, foundation soil, excavation of foundation pit face, cement solidification process layer, road surface, guarantees its globality, and upper load is communicated directly to the depths soil body by soil engineering bag, and then effectively consolidated subsoil and safeguards underground piping.It can improve foundation bearing capacity, reduce settlement of foundation and differential settlement, be avoided that underground piping deforms destructions, has the advantages that efficiently convenient, economic and environment-friendly, significant effect.
Description
Technical field:
The utility model relates to foundation stabilization and maintenance technology fields, and in particular to a kind of soil engineering bag consolidated subsoil is simultaneously safeguarded
Underground piping basis.
Background technique:
With the fast development of urban infrastructure construction, the laying of urban Underground pipeline can encounter the needs such as soft soil foundation
The geological condition of consolidation process.Coastal area development is swift and violent, features as poor geologic condition and underground piping is intensive.Work is built in such kind of area
Journey, the problems such as often causing serious differential settlement, pipeline damage, pavement cracking since foundation bearing capacity is low.Therefore
Underground piping under soft soil foundation is greatly improved compared to for general pipeline by a possibility that destruction.Heat supply, power supply, combustion gas,
The common conduits facility such as oil transportation, water supply is referred to as " urban lifeline ", is to guarantee that the city most important basis of normal operation is set
It applies, safety accident once occurs for urban duct system, not only results in heavy economic losses, and also cause huge society not
Good influence.
The common method of soft soil foundation is cushion or improvement soil body method at present, and the construction time is longer, invests larger.Cause
This, effective reinforcing to soft soil foundation, and seem ever more important to the protection of underground piping facility.
Utility model content:
The purpose of the utility model is to provide a kind of soil engineering bag consolidated subsoil and safeguard underground piping basis, with making soil engineering bag
Base reinforcement technique is efficiently applied to the maintenance of underground piping facility, to improve foundation bearing capacity, reduces settlement of foundation and not
Uniform settlement avoids underground piping from deforming destruction.
To achieve the above object, the utility model uses following technical scheme:
A kind of soil engineering bag consolidated subsoil provided by the utility model simultaneously safeguards underground piping basis, comprising: soil engineering bag, underground
Pipeline is backfilling and compacted foundation soil, pit foundation excavation face, cement solidification process layer and ground, is installing the buried pipe below ground
Foundation pit is dug at road, soil engineering bag is loaded in the foundation pit, and be filled with backfill below the foundation pit two sides and underground piping
Rammed subgrade soil, is above the ground provided with cement solidification process layer the underground piping is corresponding.
The foundation depth is less than or equal to three meters.
The foundation pit is in domatic, and bottom of foundation ditch is high arc-shaped in intermediate low, both sides.
The soil engineering bag is successively staggered in the foundation pit and is stacked to ground level, and the soil engineering bag is to describedly
Lower pipeline, which is formed, to be surrounded.
Height of the foundation soil apart from bottom of foundation ditch that be backfilling and compacted loaded below the underground piping is 20-30cm, thick
Degree is the half of the underground piping outer diameter.
The soil engineering bag is symmetrically put simultaneously in the two sides of the underground piping, to guarantee that the underground piping will not
Generate displacement.
The cement solidification process layer with a thickness of 30-50cm.
The minimum width that is laid with of soil engineering bag is greater than width of roadway in the foundation pit, and the minimum of soil engineering bag is laid with width and road
The difference of face width is the half of foundation pit maximum depth value.
Gap between the soil engineering bag is filled with the foundation soil that construction site is excavated, and every layer of soil engineering bag manually or
Machinery is flattened and is tamped.
A kind of soil engineering bag consolidated subsoil of the utility model and safeguard underground piping basis the utility model has the advantages that
1, efficiently convenient, the foundation soil of digging in-situ can be directly loadable into soil engineering bag use, along excavation of foundation pit when laying
Face is successively staggered stacking to road surface, so as to shorten duration, raising working efficiency；The utility model uses packed sand
Form carries out, and under conditions of keeping the good water permeability of original soil matter, can effectively avoid fine sand caused by seismic shock, flour sand
Wait liquefaction；The utility model carries out basement process using the stronger coarse-grained soil of water penetration, ensures the water penetration of foundation soil
Can, prevent the generation of capillary phenomenon, the swollen performance of integral anti-freezing of enhancing north cold area ground, roadbed；
2, economic and environment-friendly, soil engineering bag is cheap, can gather materials on the spot, turn waste into wealth, and avoids transport of materials, economical real
With, it economizes on resources, protection environment；
3, significant effect, soil engineering bag are borrowed with becoming overall structure like arch section form combination underground piping collective effect
It helps underground piping outer wall to form arch foundation, rationally changes ground soil stress and convey form, play the soil body to greatest extent
Compressive property ensures the stability of ground, and then improves foundation bearing capacity, reduces settlement of foundation and differential settlement, avoids
Underground piping deforms destruction.
Detailed description of the invention:
Fig. 1 is a kind of soil engineering bag consolidated subsoil of the utility model and the profile construction schematic diagram for safeguarding underground piping basis；
In figure: 1- soil engineering bag, 2- underground piping, 3- are backfilling and compacted soil, 4- excavation of foundation pit face, 5- cement solidification process layer,
The road surface 6-, 7- foundation pit.
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 describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
It in addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel can be realized, this technical side will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of case is not present, also not within the protection scope of the requires of the utility model.
According to Fig. 1, a kind of soil engineering bag consolidated subsoil provided by the utility model and safeguard underground piping basis, packet
Include: soil engineering bag 1, underground piping 2 are backfilling and compacted foundation soil 3, pit foundation excavation face 4, cement solidification process layer 5 and ground 6, on ground
It is installed below face 6 and digs foundation pit 7 at the underground piping 2,7 depth of foundation pit is less than or equal to three meters, and the foundation pit 7 is to use
Natural discharging slope form is excavated, and makes the foundation pit 7 in domatic, i.e., 7 bottom of foundation pit is high arc-shaped in intermediate low, both sides,
Soil engineering bag 1 is loaded in the foundation pit 7, and is filled with below 7 two sides of foundation pit and underground piping 2 and is backfilling and compacted foundation soil 3,
, with certain variability capacity, the foundation soil 3 that is backfilling and compacted to avoid the deformation of underground piping 2, and 2 lower section of underground piping is wanted for it
It asks and reaches 90% or more compactness, be provided with cement solidification process layer 5 above the corresponding ground 6 of the underground piping 2, it is described
Cement solidification process layer 5 with a thickness of 30-50cm, soil engineering bag 1, underground piping 2, be backfilling and compacted foundation soil 3, pit foundation excavation face 4,
Cement solidification process layer 5 and ground 6 be combined with each other, and guarantee the globality of structure and then effectively consolidated subsoil and safeguard buried pipe
Road.
Further, the soil engineering bag 1 is successively staggered in the foundation pit 7 is stacked to 6 height of ground, and the soil
1 pair of the work bag underground piping 2, which is formed, to be surrounded.
Further, height of the foundation soil 3 apart from 7 bottom of foundation pit that be backfilling and compacted loaded below the underground piping 2 be
20-30cm, with a thickness of the half of 2 outer diameter of underground piping, to guarantee that the inside load is directly conveyed by soil engineering bag 1
To deep foundation soil, 2 pressure-bearing of underground piping is avoided.
Further, the soil engineering bag 1 is symmetrically put simultaneously in the two sides of the underground piping 2, described in guaranteeing
Underground piping 2 will not generate displacement.
Further, the minimum width that is laid with of soil engineering bag 1 is greater than 6 width of road surface in the foundation pit 7, and soil engineering bag 1 is most
The difference of small laying width and 6 width of road surface is the half of 7 maximum depth value of foundation pit.
Further, the gap between the soil engineering bag 1 is filled with the foundation soil that construction site is excavated, and every layer of soil engineering bag
1 manually or machinery is flattened and tamped.
A kind of soil engineering bag consolidated subsoil of the utility model is described in detail with reference to the accompanying drawing and safeguards underground piping base
Work progress of plinth:
It is installed below ground 6 and digs foundation pit 7 at the underground piping 2, the foundation soil of excavation is directly loadable into soil engineering bag 1
In, and securely by the sealing of soil engineering bag 1 seam knot, stacking is stand-by with 7 side of foundation pit after acceptance(check)；7 side of foundation pit is loaded
Soil engineering bag 1 be successively staggered in foundation pit 7 at 7 bottom 20-30cm of foundation pit；Continue in 2 two sides of underground piping
Soil engineering bag 1 is successively staggeredly stacked, and layering filling is backfilling and compacted foundation soil 3 below the underground piping 2；To the buried pipe
After acceptance(check) is installed in road 2, continues successively staggeredly to stack soil engineering bag 1 in the foundation pit 7, the underground piping 2 is formed and is wrapped
It encloses, and is loaded in the layering of the pit foundation excavation face 4 of 7 two sides of foundation pit and be backfilling and compacted foundation soil 3；It is corresponding in the underground piping 2
Ground 6 above be provided with cement solidification process layer 5.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System, although the utility model is described in detail referring to above-described embodiment, those of ordinary skill in the art should be managed
Solution: specific implementation of the utility model can still be modified or equivalent replacement, and without departing from the utility model
Any modification of spirit and scope or equivalent replacement should all cover in present claims range.
Claims (9)
1. a kind of soil engineering bag consolidated subsoil simultaneously safeguards underground piping basis, it is characterised in that: include: soil engineering bag, underground piping, return
Rammed subgrade soil, pit foundation excavation face, cement solidification process layer and ground are filled out, is dug at the underground piping installing below ground
Foundation pit loads soil engineering bag in the foundation pit, and is filled with below the foundation pit two sides and underground piping and is backfilling and compacted ground
Soil is above the ground provided with cement solidification process layer the underground piping is corresponding.
2. a kind of soil engineering bag consolidated subsoil according to claim 1 simultaneously safeguards underground piping basis, it is characterised in that: described
Foundation depth is less than or equal to three meters.
3. a kind of soil engineering bag consolidated subsoil according to claim 1 simultaneously safeguards underground piping basis, it is characterised in that: described
Foundation pit is in domatic, and bottom of foundation ditch is high arc-shaped in intermediate low, both sides.
4. a kind of soil engineering bag consolidated subsoil according to claim 1 simultaneously safeguards underground piping basis, it is characterised in that: described
Soil engineering bag is successively staggered in the foundation pit and is stacked to ground level, and the soil engineering bag forms the underground piping and wraps
It encloses.
5. a kind of soil engineering bag consolidated subsoil according to claim 1 simultaneously safeguards underground piping basis, it is characterised in that: described
Height of the foundation soil apart from bottom of foundation ditch that be backfilling and compacted loaded below underground piping is 20-30cm, with a thickness of the underground
The half of outer diameter tube.
6. a kind of soil engineering bag consolidated subsoil according to claim 1 simultaneously safeguards underground piping basis, it is characterised in that: described
Soil engineering bag is symmetrically put simultaneously in the two sides of the underground piping.
7. a kind of soil engineering bag consolidated subsoil according to claim 1 simultaneously safeguards underground piping basis, it is characterised in that: described
Cement solidification process layer with a thickness of 30-50cm.
8. a kind of soil engineering bag consolidated subsoil according to claim 1 simultaneously safeguards underground piping basis, it is characterised in that: described
The minimum width that is laid with of soil engineering bag is greater than width of roadway, and the minimum difference for being laid with width and width of roadway of soil engineering bag in foundation pit
For the half of foundation pit maximum depth value.
9. a kind of soil engineering bag consolidated subsoil according to claim 1 simultaneously safeguards underground piping basis, it is characterised in that: described
Gap between soil engineering bag is filled with the foundation soil that construction site is excavated, and every layer of soil engineering bag is manually or machinery is flattened
And compacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856286.7U CN208441113U (en) | 2018-06-04 | 2018-06-04 | A kind of soil engineering bag consolidated subsoil simultaneously safeguards underground piping basis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820856286.7U CN208441113U (en) | 2018-06-04 | 2018-06-04 | A kind of soil engineering bag consolidated subsoil simultaneously safeguards underground piping basis |
Publications (1)
| Publication Number | Publication Date |
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| CN208441113U true CN208441113U (en) | 2019-01-29 |
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| CN201820856286.7U Active CN208441113U (en) | 2018-06-04 | 2018-06-04 | A kind of soil engineering bag consolidated subsoil simultaneously safeguards underground piping basis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643199A (en) * | 2018-06-04 | 2018-10-12 | 中冶沈勘工程技术有限公司 | A kind of soil engineering bag consolidated subsoil simultaneously safeguards underground piping basis and its construction method |
-
2018
- 2018-06-04 CN CN201820856286.7U patent/CN208441113U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108643199A (en) * | 2018-06-04 | 2018-10-12 | 中冶沈勘工程技术有限公司 | A kind of soil engineering bag consolidated subsoil simultaneously safeguards underground piping basis and its construction method |
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