CN202187263U - Ribbed cement soil piling reinforcement structure of railway roadbed - Google Patents
Ribbed cement soil piling reinforcement structure of railway roadbed Download PDFInfo
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- CN202187263U CN202187263U CN2011202950706U CN201120295070U CN202187263U CN 202187263 U CN202187263 U CN 202187263U CN 2011202950706 U CN2011202950706 U CN 2011202950706U CN 201120295070 U CN201120295070 U CN 201120295070U CN 202187263 U CN202187263 U CN 202187263U
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- side slope
- roadbed
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- campshed
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Abstract
The utility model relates to a ribbed cement soil piling reinforcement structure of a railway roadbed, which consists of a cement soil piling, connecting beams and a roadbed side slope mortar flag stone protection slope. The cement soil piling is formed by horizontally and continuously piling a plurality of cement soil piles on one side of a road embankment side slope, and steel reinforcement cages or preformed piles are inserted into a cement soil piling body. Each connecting beam is of a reinforced concrete structure, the connecting beams are arranged at two ends of the cement soil piling body, steel bars in the connecting beams are connected with the steel reinforcement cage or the preformed pile in each cement soil pile body in the cement soil piling, the connecting beams are arranged on the side slopes on two sides of a road embankment, the inner and outer side surfaces of the connecting beams are both parallel to the slope of the road embankment side slope, and the vertical height of the connecting beams is not less than the pile diameter of the cement soil piles. The roadbed side slope mortar flag stone protection slope is in a mortar flag stone structure, the upper end of the roadbed side slope mortar flag stone protection slope is connected with the connecting beams, and the lower end of the roadbed side slope mortar flag stone protection slope is arranged at the bottom of the roadbed. The ribbed cement soil piling reinforcement structure of the railway roadbed can form the integral reinforcement structure and increase the roadbed reinforcement effect; furthermore, the engineering amount is small and the construction period is short.
Description
Technical field
The utility model relates to the railway bed reinforcing technique, particularly relates to the existing railway subgrade strengthening technology of utilizing cement earth pile.
Background technology
The method of existing railway subgrade strengthening has multiple, is mainly oblique cement earth pile method, grouting, bedding sealing method, compaction pile method, bedding cushion, geotechnical grid bed course method etc.But be adapted at subgrade strengthening under the train operation condition, and consolidation effect has only oblique cement earth pile method reliably.
Oblique cement earth pile method is in roadbed certain altitude scope, to adopt single tube spinning-jet high-pressure slip-casting technology in railway bed, to form the columnar water earth induration of a series of certain diameters, a determining deviation, thereby reaches the purpose of reinforcing existing roadbed.This reinforcement means is the stress diffusion through cement earth pile, reduces the dynamic stress amplitude in the roadbed body, reduces subgrade settlement, increases the supporting capacity of roadbed.Because oblique cement earth pile method can be implemented on side slope of embankment, does not influence train operation, consolidation effect is remarkable, thereby has obtained extensive use.
Fig. 1 shows the oblique cement earth pile ruggedized construction of prior art.As shown in Figure 1; Oblique cement earth pile ruggedized construction is by constituting along the oblique many drainings earth stake 3,4,5 that sets of embankment 1 both sides side slope; Be provided with in the middle of the 1st draining earth stake 4 and encrypt draining earth stake 3; Cement earth pile and horizontal plane form certain angle of inclination, and the stake of cement earth pile is long to be increased from top to bottom gradually.
But also there is weak point in oblique cement earth pile method, shows that mainly engineering quantity is bigger, and construction period is longer.Particularly; Construction operation platform, lifting construction equipment need set up and remove to every draining earth stake of constructing all respectively, will repeat repeatedly to set up and remove construction operation platform, repeatedly lifting construction equipment when constructing the stake of many drainings earth; This can take a large amount of engineering times, influences the construction period.
Summary of the invention
Reinforce railway bed to existing oblique cement earth pile method and have the problem that engineering quantity is big, construction period is long; The utility model is released reinforced cement earth campshed ruggedized construction; Utilize the combining structure of the roadbed side slope mortar rubble masonry pavement formation of the cement-soil campshed, the tie-beam that is arranged on the campshed two ends and the support and connection beam that insert reinforcing cage; Globality and enhancement stress diffusion through strengthening structure realize better subgrade strengthening effect under less engineering quantity.
The railway bed reinforced cement earth campshed ruggedized construction that the utility model is related is made up of cement-soil campshed, tie-beam and roadbed side slope mortar rubble masonry pavement.
The cement-soil campshed is formed by many cement earth piles that set continuously from side slope of embankment one side level, and the other end of cement earth pile reaches the opposite side side slope of embankment.Insert reinforcing cage or preformed pile in the cement-soil campshed body, reinforcing cage or preformed pile insert before the pile body initial set of cement-soil campshed.The cement-soil campshed is apart from curb 1.0～2.0m, and the cement earth pile stake in the cement-soil campshed is 0.5～0.6m directly, and the pile body spacing is identical with the stake footpath.
Tie-beam is a reinforced concrete structure, is arranged on the two ends of cement-soil campshed pile body, and reinforcing cage or preformed pile in the reinforcing bar in the tie-beam and the cement-soil campshed in every cement earth pile pile body link to each other, and increase the globality of cement-soil campshed.Tie-beam places the both sides side slope of embankment, and the interior lateral surface of tie-beam all is parallel to the inclined-plane of side slope of embankment, and the tie-beam vertical height is not less than cement earth pile stake footpath.
The roadbed side slope mortar rubble masonry pavement is the mortar flag stone structure, the support and connection beam.Roadbed side slope mortar rubble masonry pavement upper end is connected with tie-beam, and the lower end places the roadbed bottom.
The railway bed reinforced cement earth campshed ruggedized construction that the utility model is related forms globality and strengthens structure, helps the stress diffusion, promotes the subgrade strengthening effect.Particularly, only need set up one deck construction operation platform, the construction period is short.And the pile body that is provided with continuously can form one deck impervious barrier in roadbed, prevents that table from oozing, and played the effect of water proof antiseepage to the roadbed body below the structure under water.
Description of drawings
Fig. 1 is the oblique cement earth pile ruggedized construction sketch map of prior art.
Fig. 2 is the railway bed reinforced cement earth campshed ruggedized construction sketch map of the utility model.
Fig. 3 is that the cement-soil campshed is connected sketch map with tie-beam among Fig. 2.
Fig. 4 plugs reinforcing cage or preformed pile sketch map in the cement-soil campshed pile body among Fig. 2.
Description of symbols among the figure
1, embankment 2, curb
3, encrypt draining earth stake the 4, the 1st draining earth stake
5, other draining earth stakes 6, side slope of embankment
7, cement-soil campshed 8, reinforcing cage
9, tie-beam 10, roadbed side slope mortar rubble masonry pavement
11, cement-soil campshed pile body.
The specific embodiment
Be elaborated below in conjunction with the technical scheme of accompanying drawing to the utility model.
Fig. 2, Fig. 3, Fig. 4 show the railway bed reinforced cement earth campshed ruggedized construction of the utility model and the composition of parts thereof.Railway bed reinforced cement earth campshed ruggedized construction as shown in the figure, that the utility model is related is made up of cement-soil campshed 7, tie-beam 9 and roadbed side slope mortar rubble masonry pavement 10.
Cement-soil campshed 7 is formed by the many cement earth piles 11 that set continuously from side slope of embankment one side level, and the other end of cement earth pile 11 reaches the opposite side side slope of embankment.Insert reinforcing cage 8 in the pile body of cement earth pile 11, reinforcing cage 8 inserts before the pile body initial set of cement earth pile.Cement-soil campshed 7 is apart from curb 1.0～2.0m, 11 footpath 0.5～0.6m of the cement earth pile in the cement-soil campshed 7, and cement earth pile 11 pile body spacings are identical with the stake footpath.
Tie-beam 9 is a reinforced concrete structure, is arranged on the pile body two ends of cement-soil campshed 7, and the reinforcing cage 8 in the reinforcing bar in the tie-beam 9 and the cement-soil campshed 7 in every cement earth pile 11 pile body links to each other, and increases the globality of cement-soil campshed 7.Tie-beam 9 places the both sides side slope of embankment of embankment 1, and the interior lateral surface of tie-beam 9 all is parallel to the inclined-plane of embankment 6 side slopes, and tie-beam 9 vertical heights are not less than the stake footpath of cement earth pile 7.
Roadbed side slope mortar rubble masonry pavement 10 is the mortar flag stone structure, support and connection beam 9.The upper end of roadbed side slope mortar rubble masonry pavement 10 is connected with tie-beam 9, and the lower end places the roadbed bottom.
Claims (4)
1. a railway bed reinforced cement earth campshed ruggedized construction is characterized in that: be made up of cement-soil campshed (7), tie-beam (9) and roadbed side slope mortar rubble masonry pavement (10); Cement-soil campshed (7) is formed by the many cement earth piles (11) that set continuously from side slope of embankment one side level, and the other end of cement earth pile (11) reaches the opposite side side slope of embankment, inserts reinforcing cage in the pile body of cement earth pile (11); Tie-beam (9) is a reinforced concrete structure, is arranged on the pile body two ends of cement-soil campshed (7), places the both sides side slope of embankment of embankment (1), and the reinforcing bar in the tie-beam (9) links to each other with reinforcing cage (8) in every cement earth pile (11) pile body; Roadbed side slope mortar rubble masonry pavement (10) is the mortar flag stone structure, support and connection beam (9), and the upper end of roadbed side slope mortar rubble masonry pavement (10) is connected with tie-beam (9), and the lower end places the roadbed bottom.
2. railway bed reinforced cement earth campshed ruggedized construction according to claim 1, it is characterized in that: described cement-soil campshed (7) is apart from curb 1.0～2.0m.
3. railway bed reinforced cement earth campshed ruggedized construction according to claim 1 is characterized in that: cement earth pile (11) the stake footpath 0.5～0.6m in the cement-soil campshed (7), cement earth pile (11) pile body spacing is identical with the stake footpath.
4. railway bed reinforced cement earth campshed ruggedized construction according to claim 1; It is characterized in that: described tie-beam (9) places the both sides side slope of embankment of embankment (1); The interior lateral surface of tie-beam (9) all is parallel to the inclined-plane of embankment (6) side slope, and tie-beam (9) vertical height is not less than the stake footpath of cement earth pile (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202950706U CN202187263U (en) | 2011-08-15 | 2011-08-15 | Ribbed cement soil piling reinforcement structure of railway roadbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202950706U CN202187263U (en) | 2011-08-15 | 2011-08-15 | Ribbed cement soil piling reinforcement structure of railway roadbed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202187263U true CN202187263U (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202950706U Expired - Lifetime CN202187263U (en) | 2011-08-15 | 2011-08-15 | Ribbed cement soil piling reinforcement structure of railway roadbed |
Country Status (1)
| Country | Link |
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| CN (1) | CN202187263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352582A (en) * | 2011-08-15 | 2012-02-15 | 铁道第三勘察设计院集团有限公司 | Reinforced soil-cement pile strengthening structure of railway roadbed |
| CN103290751A (en) * | 2013-06-13 | 2013-09-11 | 铁道第三勘察设计院集团有限公司 | Roadbed reinforcement structure of oblique anchor cable cement earth pile |
-
2011
- 2011-08-15 CN CN2011202950706U patent/CN202187263U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352582A (en) * | 2011-08-15 | 2012-02-15 | 铁道第三勘察设计院集团有限公司 | Reinforced soil-cement pile strengthening structure of railway roadbed |
| CN103290751A (en) * | 2013-06-13 | 2013-09-11 | 铁道第三勘察设计院集团有限公司 | Roadbed reinforcement structure of oblique anchor cable cement earth pile |
| CN103290751B (en) * | 2013-06-13 | 2016-03-02 | 铁道第三勘察设计院集团有限公司 | Inclining anchor cable cement earth pile subgrade strengthening structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300142 Hebei District, Zhongshan Road, No. 10, Patentee after: China Railway Design Group Limited Address before: 300142 Hebei District, Zhongshan Road, No. 10, Patentee before: China Railway Third Survey and Design Institute Group Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120411 |
|
| CX01 | Expiry of patent term |