CN205617160U - Low distributed switch foundation structure of circuit rib post that puts of moderate -low speed magnetic levitation - Google Patents
Low distributed switch foundation structure of circuit rib post that puts of moderate -low speed magnetic levitation Download PDFInfo
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- CN205617160U CN205617160U CN201620388239.5U CN201620388239U CN205617160U CN 205617160 U CN205617160 U CN 205617160U CN 201620388239 U CN201620388239 U CN 201620388239U CN 205617160 U CN205617160 U CN 205617160U
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Abstract
The utility model discloses a low distributed switch foundation structure of circuit rib post that puts of moderate -low speed magnetic levitation, including switch area foundation treatment reinforced concrete raft board, reinforced concrete switch roof beam bar rib column foundation, reinforced concrete drilling bored concrete pile, steel sheet and buried bolt in advance, switch area foundation treatment reinforced concrete raft board level sets up, and many are arranged to its bottom face the reinforced concrete bored concrete pile of driling, reinforced concrete drilling bored concrete pile passes and stretches into the supporting course behind the weak stratum to reduce the switch roof beam in the deformation of rotating the in -process. The utility model discloses guaranteed that the switch roof beam did not produce the large deformation because of the basic rigidity of ground is not enough at the rotation in -process, satisfied the switch roof beam to the requirement of basic intensity with stability.
Description
Technical field
This utility model belongs to that medium-and low-speed maglev traffic engineering is low puts line area, and medium-and low-speed maglev is low puts circuit rib post distributing track switch base structure more particularly, to a kind of.
Background technology
Middle low speed magnetic suspension track traffic belongs to a kind of novel traffic mode, and current achievement in research both domestic and external is less, and the circuit minority especially of operation is opened in the whole world.Current only middle low speed magnetic suspension railway comercial operation line-the East Hillside Line that in March, 2005, Japan's construction was opened and the middle low speed magnetic suspension railway business operating line that in June, 2014, Korea S opened.And the middle low speed magnetic suspension traffic of China only has National University of Defense technology's test wire, Green City Mountain test wire, Tangshan experiment line at present, but do not put into effect, and all based on elevated structure, the rarely seen research about rolling stock section's switch area basis and application.
In wheel rail high speed railway, in rolling stock section, train lane change is realized by switch machine, when train passes through at a high speed, the impact to track switch is relatively big, generally makes track switch be arranged in the relatively uniform position of soil rigidity and reduces the impact to track switch to try one's best, thus reduce maintenance during design.Different from wheel track railway switch, middle low speed magnetic suspension is owing to taking the special mode embracing rail operation, and the low circuit support rail beam drop-over of putting connected after turnout junction girder unitary rotation certain angle is passed through in magnetic-levitation train lane change and with it realizes.Compared to wheel rail railway, turnout junction girder realize rotating to its undertake pressure, draw, the fundamental importance of the complicated loads such as curved, torsion higher, turnout junction girder rotates and easily makes turnout junction girder infrastructure produce inhomogeneous deformation, affects the comfortableness of magnetic-levitation train and normal lane change time serious.
Utility model content
Disadvantages described above or Improvement requirement for prior art, this utility model provides that a kind of medium-and low-speed maglev is low puts circuit rib post distributing track switch base structure, this structure should meet turnout junction girder, and in rotation process, because foundation insufficient rigidity produces excessive deformation, to meet, magnetic floating traffic engineering truck section is low does not puts the intensity on circuit turnout junction girder basis, long-time stability requirement, simultaneously turnout junction girder to be met basis is low puts circuit foundation treatment mode to can ensure that rigidity and sedimentation meet requirement, good economy performance and construction quality controllability strong.
For achieving the above object, according to this utility model, provide that a kind of medium-and low-speed maglev is low puts circuit track switch base structure, it is characterized in that, including switch area basement process Reinforced Concrete Raft plate, armored concrete turnout junction girder bar shaped rib column foundation, reinforced concrete bored pile, steel plate and pre-embedded bolt, wherein
Described switch area basement process Reinforced Concrete Raft plate level is arranged, its bottom face arranges that many described reinforced concrete bored piles and every described reinforced concrete bored pile are all vertically arranged, multiple described armored concrete turnout junction girder bar shaped rib column foundation it is fixedly installed on its top end face, described armored concrete turnout junction girder bar shaped rib column foundation, reinforced concrete bored pile and Reinforced Concrete Raft plate collectively form rigidity load-carrying construction, to undertake pressure, pulling force, moment of flexure and the moment of torsion of turnout junction girder transmission；
Described reinforced concrete bored pile stretches into supporting course, to reduce turnout junction girder deformation in rotation process after soft stratum；
The quantity of described steel plate is multiple, and each steel plate is fixedly mounted on the top of an armored concrete turnout junction girder bar shaped rib column foundation respectively by multiple described pre-embedded bolts, for connecting turnout beam.
Preferably, described transition section structure includes two blocks of switch area basement process Reinforced Concrete Raft plates, and the middle Reinforced Concrete Raft plate that this two blocks of switch area basement process Reinforced Concrete Raft plates are linked together, the thickness of described middle Reinforced Concrete Raft plate is less than the thickness of each described switch area basement process Reinforced Concrete Raft plate, and the bottom face of described middle Reinforced Concrete Raft plate has downwardly extended middle reinforced concrete bored pile, its top end face is provided with armored concrete turnout junction girder bar shaped rib column foundation, the top end face of described armored concrete turnout junction girder bar shaped rib column foundation is connected by pre-embedded bolt steel plate.
Preferably, the length of the middle reinforced concrete bored pile on described middle Reinforced Concrete Raft plate is not more than the length of the reinforced concrete bored pile on described switch area basement process Reinforced Concrete Raft plate.
In general, by the contemplated above technical scheme of this utility model compared with prior art, it is possible to obtain following beneficial effect:
(1) armored concrete turnout junction girder bar shaped rib column foundation bottom of the present utility model ground uses the reinforced concrete bored pile+Reinforced Concrete Raft plate structure of intensity and good integrity to reinforce, reinforced concrete bored pile, Reinforced Concrete Raft plate, it is rigidly connected between armored concrete turnout junction girder bar shaped rib column foundation, in order to undertake the pressure of turnout junction girder transmission, draw, curved, the Complicated Loads such as torsion, size and the arrangement of reinforcement of bar shaped rib column foundation rotates according to turnout junction girder simultaneously, slide and the requirement of load etc. determines, pile foundation stretches into reliable supporting course through soft stratum, ensure that turnout junction girder in rotation process not because of foundation insufficient rigidity produce excessive deformation, meet the turnout junction girder requirement to underlying strength Yu stability.
(2) this utility model uses reinforced concrete bored pile to reinforce with Reinforced Concrete Raft plate, the pressure born according to top turnout junction girder bar shaped rib column foundation, draw, curved, the difference condition of torsion etc. can carry out the design of subregion thickness and arrange build joint disconnection simultaneously in suitable position lower rebar concrete raft plate, and be adjusted the stake of the reinforced concrete bored pile of its underpart is long, the most both can ensure that rigidity and sedimentation met requirement, reduce settlement difference and temperature stress, and compare and all use the Reinforced Concrete Raft plates of same thickness and the long reinforced concrete bored pile economy of same stake more preferable.
Accompanying drawing explanation
Fig. 1 is schematic longitudinal section of the present utility model；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the structure chart that in this utility model, pre-embedded bolt is arranged on turnout junction girder bar shaped rib column foundation.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.As long as just can be mutually combined additionally, technical characteristic involved in each embodiment of this utility model disclosed below does not constitutes conflict each other.
With reference to Fig. 1～Fig. 3, it is a kind of that medium-and low-speed maglev is low puts circuit rib post distributing track switch base structure, it is characterized in that, including switch area basement process Reinforced Concrete Raft plate 2, armored concrete turnout junction girder bar shaped rib column foundation 1, reinforced concrete bored pile 3, steel plate and pre-embedded bolt 4, wherein
Described switch area basement process Reinforced Concrete Raft plate 2 is horizontally disposed with, its bottom face arranges that many described reinforced concrete bored piles 3 and every described reinforced concrete bored pile 3 are all vertically arranged, multiple described armored concrete turnout junction girder bar shaped rib column foundation 1 it is fixedly installed on its top end face, described armored concrete turnout junction girder bar shaped rib column foundation 1, reinforced concrete bored pile 3 and Reinforced Concrete Raft plate 2 collectively form rigidity load-carrying construction, to undertake pressure, pulling force, moment of flexure and the moment of torsion of turnout junction girder transmission；
Described reinforced concrete bored pile 3 stretches into supporting course 6, to reduce turnout junction girder deformation in rotation process after soft stratum 5；
The quantity of described steel plate is multiple, and each steel plate is fixedly mounted on the top of an armored concrete turnout junction girder bar shaped rib column foundation 1 respectively by multiple described pre-embedded bolts 4, for connecting turnout beam.
Further, described transition section structure includes two blocks of switch area basement process Reinforced Concrete Raft plates 2, and the middle Reinforced Concrete Raft plate that this two blocks of switch area basement process Reinforced Concrete Raft plates 2 are linked together, the thickness of described middle Reinforced Concrete Raft plate is less than the thickness of each described switch area basement process Reinforced Concrete Raft plate 2, and the bottom face of described middle Reinforced Concrete Raft plate has downwardly extended middle reinforced concrete bored pile 3, its top end face is provided with armored concrete turnout junction girder bar shaped rib column foundation 1, the top end face of described armored concrete turnout junction girder bar shaped rib column foundation 1 is connected by pre-embedded bolt 4 steel plate.
Further, the length of the middle reinforced concrete bored pile 3 on described middle Reinforced Concrete Raft plate is not more than the length of the reinforced concrete bored pile 3 on described switch area basement process Reinforced Concrete Raft plate 2.
This structure reinforcing bars concrete turnout junction girder bar shaped rib column foundation 1 bottom ground uses the reinforced concrete bored pile 3 of intensity and good integrity to reinforce with Reinforced Concrete Raft plate 2, reinforced concrete bored pile 3, Reinforced Concrete Raft plate 2, use between armored concrete turnout junction girder bar shaped rib column foundation 1 and be rigidly connected, in order to undertake the pressure of turnout junction girder transmission, draw, curved, the Complicated Loads such as torsion, size and the arrangement of reinforcement of bar shaped rib column foundation 1 rotates according to turnout junction girder simultaneously, slide and the requirement of load etc. determines, reinforced concrete bored pile 3 stretches into reliable supporting course 6 through soft stratum 5, guarantee turnout junction girder in rotation process not because of foundation insufficient rigidity produce excessive deformation, meet the turnout junction girder requirement to underlying strength Yu stability.Secondly, the low circuit ground of putting of turnout junction girder uses reinforced concrete bored pile 3 to reinforce with Reinforced Concrete Raft plate 2, the pressure born according to top turnout junction girder bar shaped rib column foundation 1, draw, curved, the difference condition of torsion etc. can carry out the design of subregion thickness and arrange build joint disconnection simultaneously in suitable position lower rebar concrete raft plate 2, and be adjusted the stake of the reinforced concrete bored pile 3 of its underpart is long, the most both can ensure that rigidity and sedimentation met requirement, reduce settlement difference and temperature stress, and compare and all use the Reinforced Concrete Raft plates of same thickness and the long reinforced concrete bored pile economy of same stake more preferable.
Its specific implementation process is as follows:
(1) place is carried out compacting leveling, construction switch area reinforced concrete bored pile and Reinforced Concrete Raft plate, reinforced concrete bored pile reinforcing bar is connected with raft plate cast, cuts reinforced concrete bored pile top concrete, retains the reinforcing bar being connected with raft plate.
(2) colligation raft slab muscle, pour the reinforcing bar of assembling reinforcement concrete turnout junction girder bar shaped rib column foundation before raft board concrete, and formwork erection pours to the above certain altitude in strip footing bottom surface, construction joint is set simultaneously and ensures its bonding strength, and avoid secondary to be cast at raft plate and bar shaped rib column foundation contact surface forming unfavorable structural plane
(3) pre-embedded bolt, pours strip footing concrete, after switch area Reinforced Concrete Raft plate, bar shaped rib column foundation reach requirement of strength, and form removal.
(4) turnout junction girder lifting is carried out,.
Those skilled in the art is easy to understand; the foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all any amendment, equivalent and improvement etc. made within spirit of the present utility model and principle, within should be included in protection domain of the present utility model.
Claims (3)
1. a medium-and low-speed maglev is low puts circuit rib post distributing track switch base structure, it is characterized in that, including switch area basement process Reinforced Concrete Raft plate, armored concrete turnout junction girder bar shaped rib column foundation, reinforced concrete bored pile, steel plate and pre-embedded bolt, wherein
Described switch area basement process Reinforced Concrete Raft plate level is arranged, its bottom face arranges that many described reinforced concrete bored piles and every described reinforced concrete bored pile are all vertically arranged, multiple described armored concrete turnout junction girder bar shaped rib column foundation it is fixedly installed on its top end face, described armored concrete turnout junction girder bar shaped rib column foundation, reinforced concrete bored pile and Reinforced Concrete Raft plate collectively form rigidity load-carrying construction, to undertake pressure, pulling force, moment of flexure and the moment of torsion of turnout junction girder transmission；
Described reinforced concrete bored pile stretches into supporting course, to reduce turnout junction girder deformation in rotation process after soft stratum；
The quantity of described steel plate is multiple, and each steel plate is fixedly mounted on the top of an armored concrete turnout junction girder bar shaped rib column foundation respectively by multiple described pre-embedded bolts, for connecting turnout beam.
It is the most according to claim 1 that a kind of medium-and low-speed maglev is low puts circuit rib post distributing track switch base structure, it is characterized in that, described track switch base structure includes two blocks of switch area basement process Reinforced Concrete Raft plates, and the middle Reinforced Concrete Raft plate that this two blocks of switch area basement process Reinforced Concrete Raft plates are linked together, the thickness of described middle Reinforced Concrete Raft plate is less than the thickness of each described switch area basement process Reinforced Concrete Raft plate, and the bottom face of described middle Reinforced Concrete Raft plate arranges reinforced concrete bored pile, its top end face is provided with armored concrete turnout junction girder bar shaped rib column foundation, the top end face of described armored concrete turnout junction girder bar shaped rib column foundation is connected by pre-embedded bolt steel plate.
It is the most according to claim 2 that a kind of medium-and low-speed maglev is low puts circuit rib post distributing track switch base structure, it is characterized in that, the length of the middle reinforced concrete bored pile on described middle Reinforced Concrete Raft plate is not more than the length of the reinforced concrete bored pile on described switch area basement process Reinforced Concrete Raft plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620388239.5U CN205617160U (en) | 2016-04-29 | 2016-04-29 | Low distributed switch foundation structure of circuit rib post that puts of moderate -low speed magnetic levitation |
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| CN201620388239.5U CN205617160U (en) | 2016-04-29 | 2016-04-29 | Low distributed switch foundation structure of circuit rib post that puts of moderate -low speed magnetic levitation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185905A1 (en) * | 2016-04-29 | 2017-11-02 | 中铁第四勘察设计院集团有限公司 | Ribbed column distributed turnout foundation structure for low-set mid-to-low speed magnetic levitation line |
| CN113931212A (en) * | 2021-11-25 | 2022-01-14 | 中铁四院集团西南勘察设计有限公司 | Road and bridge transition section structure for tramcar and construction method thereof |
-
2016
- 2016-04-29 CN CN201620388239.5U patent/CN205617160U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017185905A1 (en) * | 2016-04-29 | 2017-11-02 | 中铁第四勘察设计院集团有限公司 | Ribbed column distributed turnout foundation structure for low-set mid-to-low speed magnetic levitation line |
| CN113931212A (en) * | 2021-11-25 | 2022-01-14 | 中铁四院集团西南勘察设计有限公司 | Road and bridge transition section structure for tramcar and construction method thereof |
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