CN208055780U - Soft Soil Layer presss from both sides the ruggedized construction of the roadbed ground of basaltic layer structure - Google Patents
Soft Soil Layer presss from both sides the ruggedized construction of the roadbed ground of basaltic layer structure Download PDFInfo
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- CN208055780U CN208055780U CN201721624975.7U CN201721624975U CN208055780U CN 208055780 U CN208055780 U CN 208055780U CN 201721624975 U CN201721624975 U CN 201721624975U CN 208055780 U CN208055780 U CN 208055780U
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Abstract
The utility model discloses the ruggedized constructions that a kind of Soft Soil Layer presss from both sides the roadbed ground of basaltic layer structure comprising：At least two ranked first reinforcing pile, and each first reinforcing pile top is extend into the roadbed, first reinforcing pile lower end sequentially pass through the Soft Soil Layer on the basaltic layer top of the roadbed ground, basaltic layer and basaltic layer lower part Soft Soil Layer；At least one arranges the 2nd reinforcing pile, and each second reinforcing pile is arranged in the Soft Soil Layer on the basaltic layer top.The utility model uses the foundation reinforcing structure and reinforcement means of " reinforced concrete drilling is perfused long stake+loading plate+cement mortar and stirs stub+blotter " for high-speed railway settlement control.Use that long-short pile processing is combined, rigid pile and flexible pile act on the mode mutually coordinated so that Technological Economy rationally, strong applicability, there is apparent technical economic benefit.
Description
Technical field
The utility model is related to the roadbed grounds that subgrade engineering field more particularly to a kind of Soft Soil Layer press from both sides basaltic layer structure
Ruggedized construction.
Background technology
The key of high-speed railway subgrade design is settlement after construction Deformation control, especially non-fragment orbit high-speed railway,
The control of sedimentation and deformation requires to arrived grade, far above the control standard of common railway and industry, civil buildings.It is stringent
Post-construction settlement of subgrade deformation is controlled, the main method that high-speed railway weak soil, soft foundation are handled at present has：It is mixing pile, compacted
Stake, CFG, screw rod pile etc.；Stake top structure mainly has rubble reinforcement cushion, dirt reinforcement cushion, armored concrete pile cover and raft
The patterns such as plate.If interlayer containing basalt etc. is difficult to pass through in chance soft foundation, generally use engineering driller pilot hole, but this place
The requirement of reason method Construction control is stringent, progress is slow, project cost is excessively high.
Therefore, it is necessary to provide the ruggedized construction and reinforcement means of a kind of fast, low cost the roadbed ground of construction speed, make
It is suitable for the roadbed ground of basaltic layer structure is pressed from both sides with Soft Soil Layer.
Utility model content
The purpose of this utility model is to solve defect in the prior art, provides a kind of Soft Soil Layer folder basaltic layer knot
The ruggedized construction of the roadbed ground of structure.
The technical solution that the utility model is proposed with regard to above-mentioned technical problem is as follows：
The utility model provides a kind of ruggedized construction of the roadbed ground for Soft Soil Layer folder basaltic layer structure, packet
It includes：
At least two ranked first reinforcing pile, and each first reinforcing pile top is extend into the roadbed, and described first adds
Gu stake lower end sequentially passes through the Soft Soil Layer on the basaltic layer top of the roadbed ground, basaltic layer and basaltic layer lower part
Soft Soil Layer；
At least one arranges the 2nd reinforcing pile, and each second reinforcing pile is arranged at the Soft Soil Layer on the basaltic layer top
In.
Preferably, further include：Blotter is laid on the weak soil layer surface on the basaltic layer top；And each institute
The top for stating the second reinforcing pile is connect with the blotter.
Preferably, also it is embedded with reinforcer inside the blotter.
Preferably, the reinforcer is TGXG.
Preferably, the roadbed is internally provided with loading plate；And each first reinforcing pile top extend into it is described
In loading plate.
Preferably, the lower face of the loading plate is provided with concrete cushion；And each first reinforcing pile top is equal
It is being extend into the loading plate after the concrete cushion.
Preferably, each first reinforcing pile lower end extend into supporting course or is abutted with supporting course.
Preferably, first reinforcing pile is that long stake is perfused in reinforced concrete drilling；Second reinforcing pile is cement bonded sand
Slurry stirring stub.
Preferably, the upper surface of the roadbed is additionally provided with surface layer of subgrade bed.
The utility model is to press from both sides basalt ground for deep (pine) weak soil, provides a kind of settled for high-speed railway and becomes
The foundation stabilization knot of " reinforced concrete drilling is perfused long stake+loading plate+cement mortar and stirs stub+blotter " of shape control
Structure and reinforcement means.Wherein, the part of " long stake+loading plate is perfused in reinforced concrete drilling " is mainly used for settlement of foundation control
System, loading plate are placed in embankment surface layer of subgrade bed bottom surface, and long stake, which is perfused, using reinforced concrete drilling penetrates top soft stratum, the Black Warrior
Rock interlayer, lower part soft stratum to lower part supporting course；" cement mortar stirs stub+blotter " part is then mainly used for the Black Warrior
The processing of the above soft stratum of rock improves the stability of ground with this, reduces top soft foundation and grows stake to armored concrete
Negative friction.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the ruggedized construction of the utility model embodiment one.
Fig. 2 is the stream for the reinforcement means that the Soft Soil Layer of the utility model embodiment two presss from both sides the roadbed ground of basaltic layer structure
Cheng Tu.
Specific implementation mode
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
Embodiment one：
Fig. 1 shows the schematic cross-sectional view of the ruggedized construction in the present embodiment, and the ruggedized construction in the utility model can
The roadbed ground of basaltic layer structure is pressed from both sides suitable for Soft Soil Layer, the Soft Soil Layer folder basaltic layer structure is from top to bottom, successively
For the structure of Soft Soil Layer-basaltic layer-Soft Soil Layer, and the weak soil includes mollisol.The ruggedized construction includes：
At least two ranked first reinforcing pile 5, and each first reinforcing pile, 5 top is extend into the roadbed 100, and described
One reinforcing pile, 5 lower end sequentially passes through Soft Soil Layer, basaltic layer and the basaltic layer on the basaltic layer top of the roadbed ground
The Soft Soil Layer of lower part, 5 lateral arrangement of the first reinforcing pile, and quantity are 2 or more, can be arranged in a symmetrical uniformly spaced setting；Described
The diameter and type of one reinforcing pile 5 can be depending on actual reinforcing needs, and e.g., in the present embodiment, first reinforcing pile 5 is
Long stake, a diameter of 800-2000mm, particularly preferably 1200mm is perfused in reinforced concrete drilling；And in order to ensure the firm of structure
Property, each first reinforcing pile, 5 lower end extend into supporting course and fixes or abutted with supporting course simultaneously；
At least one arranges the 2nd reinforcing pile 4, and the second reinforcing pile 4 is disposed longitudinally on the basaltic layer top described in each row
Soft Soil Layer in, 4 lateral arrangement of the second reinforcing pile, and quantity be 2 or more, can uniform intervals setting；Likewise, described
The diameter and type of two reinforcing piles 4 can be depending on actual reinforcing needs, and e.g., in the present embodiment, second reinforcing pile 4 is
Cement mortar stirs stub, a diameter of 300-1000mm, particularly preferably 500mm.
In the present embodiment, first reinforcing pile 5 is mainly used for settlement control, and the second reinforcing pile 4 is mainly used for profound
The processing of Wu Yan or more soft stratums, improves the stability of ground, and reduction top soft foundation is grown stake to armored concrete and born
Friction.By the way of it is combined using long-short pile processing, rigid pile is mutually coordinated with flexible pile effect, Technological Economy is reasonable, applicable
Property it is strong, have apparent technical economic benefit.
Meanwhile the ruggedized construction further includes：Blotter 3 is laid on the Soft Soil Layer table on the basaltic layer top
Face, and extending direction of the blotter 3 along the cross section of the roadbed ground extends；And the top of each second reinforcing pile 4
Portion is connect with the blotter 3, meanwhile, the upper end of the bottom of each second reinforcing pile 4 with the basaltic layer
Face abuts.Preferably, 3 thickness of the blotter is 0.4-1.0m (particularly preferably 0.5m), particularly preferably graded broken stone
Bed course, and the grain size of rubble is not more than 50mm, preferably 20mm.
To further enhance the settlement Control effect of basaltic layer top Soft Soil Layer, also it is embedded inside the blotter 3
There is reinforcer, and the reinforcer is TGXG.
Meanwhile being also set up inside the roadbed 100 and have loading plate 1 (such as by pouring), the loading plate 1 can be by coagulation
Soil is made, and the upper surface of the loading plate 1 and the upper surface of the roadbed 100 maintain an equal level, on this basis, the roadbed 100
Upper surface be additionally provided with surface layer of subgrade bed 200, and 200 0.4-0.6 meters of thickness of the surface layer of subgrade bed, filler is graded broken stone, and rubble
Grain size is no more than 50mm；
Each first reinforcing pile, 5 top is extend into the loading plate 1；More preferably, to be held described in reinforcing
The lower face of the degree that is connected firmly between support plate 1 and the first reinforcing pile 5, the loading plate 1 is additionally provided with concrete mats simultaneously
Layer 2, the top of each first reinforcing pile 5 is being extend into after the concrete cushion 2 in the loading plate, thus
The top of first reinforcing pile 5 is more firmly fixed in the loading plate 1.
Embodiment two：
Fig. 2 shows the reinforcement means that a kind of Soft Soil Layer presss from both sides the roadbed ground of basaltic layer structure comprising following steps：
S1, it at least one is arranged in the Soft Soil Layer on basaltic layer top arranges the 2nd reinforcing pile 4；
S2, it is laid with blotter 3 on the top of the Soft Soil Layer on the basaltic layer top, and makes each described second to add
Gu the top of stake 4 is connect with the blotter 3；
S3, the placement in layers above the blotter 3 to form roadbed 100, and are arranged inside the roadbed 100
Loading plate 1；
S4, the first reinforcing pile 5 of setting so that 5 top of the first reinforcing pile is extend into the roadbed 100, and is made
The lower end of first reinforcing pile 5 sequentially pass through the Soft Soil Layer on the basaltic layer top of the roadbed ground, basaltic layer and
It extend into supporting course after the Soft Soil Layer of basaltic layer lower part or is abutted with supporting course；
S5, in 100 upper surface placement in layers surface layer of subgrade bed 200 of the roadbed.
It should be noted that the technical characteristic in above-described embodiment one, two can in any combination, arbitrarily combination is obtained
Technical solution belongs to the scope of protection of the utility model.
In conclusion the utility model is to press from both sides basalt ground for deep (pine) weak soil, provide a kind of for high speed
" reinforced concrete drilling is perfused long stake+loading plate+cement mortar and stirs stub+blotter " of railway settlement control
Foundation reinforcing structure and reinforcement means.Wherein, the part of " long stake+loading plate is perfused in reinforced concrete drilling " is mainly used for ground
Base settlement Control, loading plate are placed in embankment surface layer of subgrade bed bottom surface, and long stake, which is perfused, using reinforced concrete drilling penetrates top weakness
Stratum, basalt interlayer, lower part soft stratum to lower part supporting course；It then leads " cement mortar stirs stub+blotter " part
It is used for the processing of the above soft stratum of basalt, the stability of ground is improved with this, reduces top soft foundation to reinforcing bar
Concrete grows the negative friction of stake.Therefore, the utility model use long-short pile processing be combined, rigid pile and flexible pile effect phase
The mode of coordination so that Technological Economy rationally, strong applicability, have apparent technical economic benefit.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of ruggedized construction of the roadbed ground of Soft Soil Layer folder basaltic layer structure, which is characterized in that including：
At least two ranked first reinforcing pile, and each first reinforcing pile top is extend into the roadbed, first reinforcing pile
Lower end sequentially pass through the Soft Soil Layer on the basaltic layer top of the roadbed ground, basaltic layer and basaltic layer lower part weak soil
Layer；
At least one arranges the 2nd reinforcing pile, and each second reinforcing pile is arranged in the Soft Soil Layer on the basaltic layer top.
2. ruggedized construction as described in claim 1, which is characterized in that further include：Blotter is laid on the basalt
The weak soil layer surface on layer top；And the top of each second reinforcing pile is connect with the blotter.
3. ruggedized construction as claimed in claim 2, which is characterized in that be also embedded with reinforcer inside the blotter.
4. ruggedized construction as claimed in claim 3, which is characterized in that the reinforcer is TGXG.
5. ruggedized construction as described in claim 1, which is characterized in that the roadbed is internally provided with loading plate；And each institute
The first reinforcing pile top is stated to extend into the loading plate.
6. ruggedized construction as claimed in claim 5, which is characterized in that the lower face of the loading plate is provided with concrete mats
Layer；And each first reinforcing pile top is being extend into after the concrete cushion in the loading plate.
7. ruggedized construction as described in claim 1, which is characterized in that each first reinforcing pile lower end extend into supporting course
Or it is abutted with supporting course.
8. ruggedized construction as described in claim 1, which is characterized in that first reinforcing pile is perfused for reinforced concrete drilling
Long stake；Second reinforcing pile is that cement mortar stirs stub.
9. ruggedized construction as described in claim 1, which is characterized in that the upper surface of the roadbed is additionally provided with surface layer of subgrade bed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721624975.7U CN208055780U (en) | 2017-11-28 | 2017-11-28 | Soft Soil Layer presss from both sides the ruggedized construction of the roadbed ground of basaltic layer structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721624975.7U CN208055780U (en) | 2017-11-28 | 2017-11-28 | Soft Soil Layer presss from both sides the ruggedized construction of the roadbed ground of basaltic layer structure |
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| CN208055780U true CN208055780U (en) | 2018-11-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938455A (en) * | 2017-11-28 | 2018-04-20 | 中铁工程设计咨询集团有限公司 | The ruggedized construction and reinforcement means of the roadbed ground of Soft Soil Layer folder basaltic layer structure |
| CN114808582A (en) * | 2022-05-24 | 2022-07-29 | 北京城建华威公路工程有限公司 | Anti-settlement reinforcing structure for soft soil roadbed and construction method thereof |
-
2017
- 2017-11-28 CN CN201721624975.7U patent/CN208055780U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107938455A (en) * | 2017-11-28 | 2018-04-20 | 中铁工程设计咨询集团有限公司 | The ruggedized construction and reinforcement means of the roadbed ground of Soft Soil Layer folder basaltic layer structure |
| CN114808582A (en) * | 2022-05-24 | 2022-07-29 | 北京城建华威公路工程有限公司 | Anti-settlement reinforcing structure for soft soil roadbed and construction method thereof |
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