CN105019474B - A kind of genuine reconstruction structure and its reconstruction method - Google Patents
A kind of genuine reconstruction structure and its reconstruction method Download PDFInfo
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- CN105019474B CN105019474B CN201510453291.4A CN201510453291A CN105019474B CN 105019474 B CN105019474 B CN 105019474B CN 201510453291 A CN201510453291 A CN 201510453291A CN 105019474 B CN105019474 B CN 105019474B
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Abstract
The present invention relates to a kind of genuine reconstruction structure and its reconstruction method, between the genuine tunnel with two neighboring separate type of monoblock type, it is attached by structural transition section;The two pass wall set in structural transition section by Y type variable cross-sections wall, it is genuine with two separate types in spaced apart two adjacent side walls are corresponding at a certain distance connects;And the single track wall set by the Y types variable cross-section wall, it is corresponding the mid-board that monoblock type is arranged in genuine between adjacent two Room to connect.It is more economical, reasonable the invention enables constructing structure, and can farthest reduce quantities.
Description
Technical field
The present invention relates to a kind of genuine reconstruction structure and its reconstruction method.
Background technology
It is genuine because it is not take up the characteristics of ground resource, landscape effect are good compared to overpass, it is rapid in urban road
It is used widely in transformation.Single-box multi-cell integral frame structure is past due to the advantages of its mechanical characteristic is good, floor space is small
Toward the underpass form for being first choice.But, it is contemplated that the distribution of present situation underground building thing, engineering time phasing in Practical Project
The factor such as demand, part tunnel is still designed to several separate type single box single chamber frame structures.With the continuous hair in city
Exhibition, transport need increasingly increases, and above-mentioned separate type tunnel needs original place to reconstruct and extend(Hereafter referred to collectively as reconstruct).
Tunnel reconstruction when, should at utmost utilize existing underpass, it is generally the case that reconstruction tunnel structure preferably with original
It is genuine consistent, with the continuity of holding structure stress.However, on the premise of engineering specifications allows, if reconstruction tunnel can be used
The monolithic construction of single-box multi-cell, can reduce excavation of foundation pit area, save the concrete depressed place work amount of underpass, and reduction engineering is made
Valency.Based on this imagination, such as a kind of how construction method, by existing separate type it is genuine with reconstruction monoblock type is genuine is effectively connected,
Ensure do not occur leak, differential settlement etc. between the two, the problem of be urgent need to resolve.
The content of the invention
It is contemplated that in providing a kind of genuine reconstruction structure and its reconstruction method, separate type tunnel can be reconstructed into
Monoblock type is genuine(Hereinafter " integration reconstruction "), or that monoblock type tunnel is reconstructed into separate type is genuine.
In order to achieve the above object, a technical scheme of the invention is to provide a kind of Y types attachment structure, and the Y types connect
Binding structure is provided in the Y type variable cross-section walls in structural transition section, and the genuine tunnel with two neighboring separate type of monoblock type is carried out
Connection;
Wherein, the two pass wall that the Y types variable cross-section wall is set, with two separate types it is genuine in arranged for interval at a certain distance
Two adjacent side walls correspondences connect;
The single track wall that the Y types variable cross-section wall is set, the mid-board pair arranged with monoblock type in genuine between adjacent two Room
It should connect.
Preferably, in the two pass wall of the Y types variable cross-section wall any wall wall thickness, the genuine side wall with separate type
Wall thickness is identical;
The wall thickness of the single track wall of the Y types variable cross-section wall is identical with the wall thickness for the mid-board that monoblock type is genuine;
Spacing during the separate type is genuine between two adjacent side walls, between twice wall in two pass wall
Away to be doubled in the thickness of side wall.
Preferably, in the gap in the two pass wall of the Y types variable cross-section wall between twice wall, for tamp the gap element mix
Solidifying soil.
Preferably, the Y types variable cross-section wall includes any one following structure or its any combination:
The inwall length of the two pass wall is 1m ~ 2m;
The peripheral wall length of the two pass wall is twice of inwall length;
Angle, θ at the wall variable cross-section of the Y types variable cross-section wall is 135 degree.
The present invention another technical scheme be to provide a kind of genuine reconstruction structure, monoblock type it is genuine with it is two neighboring
Between separate type is genuine, it is attached by structural transition section;
The Y type variable cross-section walls described in any one above are provided with the structural transition section;
The two pass wall set by the Y types variable cross-section wall, with two separate types it is genuine in arranged for interval at a certain distance
Two adjacent side walls correspondences connect;
And in being arranged in the single track wall set by the Y types variable cross-section wall, with monoblock type tunnel between adjacent two Room
Partition wall correspondence is connected.
Preferably, the deformation joint between structural transition section and separate type are genuine so that the top plate of structural transition section, bottom
Plate, the side wall in outside, respectively the side wall with the genuine respective top plates of two separate types, bottom plate, outside corresponding connect;
Deformation joint between structural transition section and monoblock type are genuine, makes the top plate, bottom plate, outside of structural transition section
Side wall, respectively connection corresponding with the side wall of top plate, bottom plate, outside that monoblock type is genuine.
Preferably, the genuine reconstruction structure includes any one following structure or its combination:
The perforate of grouting is provided with the both sides bottom plate of the movement joint between structural transition section and separate type are genuine, in hole
Bottom continuous strengthing body formed below;
The perforate of grouting is provided with the both sides bottom plate of the movement joint between structural transition section and monoblock type are genuine, in hole
Bottom continuous strengthing body formed below.
Preferably, the bottom plate and separate type of structural transition section be genuine or bottom plate of the structural transition section between pass through
Tongue-and-groove is connected;
Or, in bottom plate and separate type tunnel or the lower section of the genuine back plate connections of monoblock type of structural transition section
It is provided with cast-in-situ bored pile.
Another technical scheme of the present invention is to provide a kind of genuine reconstruction method, wherein including procedure below:
Perforate slip casting is reinforced on the both sides bottom plate of the genuine movement joint between the road of original place of reconstruction section;
Building enclosure is applied again in the genuine outside of reconstruction section, cuts the unlimited segment structure in original place road to the movement joint
Place, and retain rubber fastening band and shear reinforcement in the movement joint for pouring structure changeover portion;
Wherein, original place road is that two neighboring separate type is genuine, and reconstruction section tunnel is that structural transition section and monoblock type are genuine;Or
Person, original place road is that monoblock type is genuine, and reconstruction section tunnel is that structural transition section and two neighboring separate type are genuine;
It is attached monoblock type is genuine by structural transition section with two neighboring separate type tunnel;
Using Y type variable cross-section walls above described in any one in wherein described structural transition section, make the Y types variable cross-section
The two pass wall that wall is set, it is genuine with two separate types in spaced apart two adjacent side walls are corresponding at a certain distance connects;
And the single track wall that the Y types variable cross-section wall is set, it is genuine monoblock type in the mid-board arranged between adjacent two Room is corresponding connects
Connect;
The waterproof for carrying out structural transition section and the measure construction for preventing and treating differential settlement.
Preferably, Y types variable cross-section wall is poured finish after, the gap between two pass wall is tamped with plain concrete.
Genuine reconstruction structure of the present invention and its reconstruction method, its meaning that actively improves are:
(1)During tunnel construction, several open-cut foundation ditch are merged into a foundation ditch, building enclosure quantities and base is reduced
Excavation area is cheated, is conducive to the traffic organization on ground to dredge.
(2)The genuine twice side wall of separate type is merged into the genuine mid-board of monoblock type, concrete works amount is reduced.
(3)After integration reconstruction, genuine globality is improved, and stress is evenly so that total is more economical, close
Reason, farthest reduces quantities, reaches economic maximization.
(4)Y types connecting structure proposed by the present invention, can by the genuine side walls of two separate types with a monoblock type tunnel every
Wall is connected.
(5)This method is equally applicable to the genuine integrations reconstruction of multiple separate types, and Y types connecting structure can be for will be many
Genuine adjacent of the neighbouring genuine adjacent side wall of separate type of each two and corresponding monoblock type during individual separate type is genuine
The mid-board connection of two Room.
(6), also can be using knot of the invention when monoblock type tunnel need to be reconstructed into separate type tunnel if site condition is complicated
Structure and method.
Brief description of the drawings
Fig. 1 is the genuine integration reconstruction implementing procedure figure of separate type proposed by the present invention;
Fig. 2 is the genuine structure transverse face figure of separate type in the present invention;
Fig. 3 is the genuine structure transverse face figure of monoblock type in the present invention;
Fig. 4 is the structural representation of Y type variable cross-section walls in the present invention;
Fig. 5 is the schematic diagram of the structural transition section arrangement of integration reconstruction in one embodiment of the invention.
Embodiment
The present invention is illustrated with reference to a case history, accompanying drawing 5 is participated in, it is to be separated using the present invention
The embodiment schematic diagram of formula tunnel integration reconstruction.The tunnel was two separate type list box structures originally, now by its open section knot
Structure is cut, and two separate types are secretly buried into a section extended structure reconstructs into a monolithic construction.In separate type tunnel and monoblock type
Structural transition section is formed between tunnel to be used for connecting two kinds of underpass.However, the present invention is except go for will be multiple
Reconstruct into a monoblock type tunnel in separate type tunnel;It equally can be applicable to a monoblock type tunnel reconstructing into multiple separation
Formula is genuine.
Two separate type list box structures as shown in Figure 2, are each provided with the genuine top plate 1 of separate type, bottom plate 2, side wall 3,
The genuine internal kerbstone 4 set in side wall 3/3A and the junction of bottom plate 2, and genuine inner bottom surface mat formation 5.Symbol 14 is to divide
From the track clearance in formula tunnel.The side wall of wherein the two adjacent sides of separate type list box structure is adjacent side wall to be reconstructed
3A.In the present embodiment, the thickness for being spaced about one times of side wall between two adjacent side wall 3A to be reconstructed.
Monoblock type tunnel as shown in Figure 3 is single-box multi-cell(Two Room)Integral frame structure, comprising extending to, two Room are wide
The genuine top plate 6 of the monoblock type of degree, bottom plate 7, the mid-board 9 of the genuine adjacent side in two Room, two Room tunnels are located remotely from each other side
Side wall 8, the genuine internal kerbstone 10 set in side wall 8 or mid-board 9 with the junction of bottom plate 7 in each room, and each room are genuine internal
Bottom surface mats formation 11.Symbol 14 is the track clearance in the tunnel of each room.
As shown in figure 1, being reconstructed in the present embodiment to the genuine integration of separate type, comprise the following steps:
(1)The perforate slip casting 16 on the bottom plate of the both sides of the movement joint 12 between structural transition section and separate type are genuine,
Cheat bottom certain thickness formed below, the continuous strengthing body 17 of depth, it is intended to reduce the genuine differential settlement in both sides, and in reconstruction
Water-stop curtain is doubled as during genuine foundation pit construction.
(2)Building enclosure is applied again outside the genuine building enclosure of separate type, while excavation of foundation pit, cuts separate type
At genuine unlimited segment structure to movement joint 12, buried rubber fastening band and shear reinforcement in retaining in movement joint 12 are being poured
Utilized during building structure changeover portion.
(3)Two separate types tunnels are connected with monoblock type tunnel by structural transition section.At movement joint 12 so that knot
Top plate, bottom plate 21, outside side wall 22 connection corresponding with top plate 1, bottom plate 2, outside side wall 3 that separate type is genuine of structure changeover portion;
Also, it is provided with a Y type variable cross-sections wall 15 in structural transition section(Fig. 4), pass through the two pass wall 18 of the Y type variable cross-sections wall 15
The adjacent side wall 3A genuine with separate type is connected;
At the movement joint 20 between structural transition section and monoblock type are genuine, make the top plate of structural transition section, bottom plate 21, outer
The single track wall 19 of side side wall 22, Y type variable cross-sections wall 15, genuine top plate 6, bottom plate 7, outside side wall 8, mid-board 9 with monoblock type
Correspondence connection.
In a preferred embodiment, the side that the wall thickness of the two pass wall 18 of the Y types variable cross-section wall 15 should be genuine with separate type
Wall 3A wall thickness is identical, and the wall thickness of single track wall 19 should be identical with the mid-board 9 that monoblock type is genuine;The inwall length A of two pass wall 18
(The length of correspondence Y type fork mouthful)Preferably 1 ~ 2m, the peripheral wall length B of two pass wall 18(The length of correspondence Y type fork mouthful is plus Y type fork mouthful
The length of the one section of wall in lower section)Preferably twice of A;Angle, θ at wall variable cross-section is preferably 135 degree.But in other examples
In, the dimensional parameters at each position of Y type variable cross-section walls can be adjusted, to adapt to that itself and separate type be genuine and monoblock type tunnel is connected
Actual conditions.
(4)After Y types construction wall is poured and finished, preferably the gap between two pass wall 18 is tamped with plain concrete;To ensure ground
Road waterproof effect, in addition to underpass uses water-tight concrete, still brushes water-repellent paint in genuine inwall.
(5)At the movement joint 12 and movement joint 20 set between structural transition section and two adjacent segments, waterproof measure is carried out.Knot
Structure changeover portion can be connected with the bottom plate that separate type is genuine and monoblock type is genuine by tongue-and-groove, or set drilling to fill below bottom plate
Stake is noted, with the uneven subsidence for solving underpass form, hole subsoil body difference is brought.
In some other examples, if actually it is necessary, or it is genuine monoblock type tunnel is transformed into separate type
When, description is seen above, for example can be on the bottom plate of the both sides of the movement joint 20 between structural transition section and monoblock type are genuine
Perforate slip casting, bottom certain thickness formed below, the continuous strengthing body of depth in hole.Either cut the genuine open section of monoblock type
Structure is to movement joint 20, buried rubber fastening band and shear reinforcement in retaining in movement joint 20, in pouring structure changeover portion
Utilized, etc..
Although present disclosure is discussed in detail by above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read the above, for the present invention's
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of Y types attachment structure, it is characterised in that
The Y types attachment structure is provided in the Y type variable cross-section walls in structural transition section(15), monoblock type is genuine with adjacent two
Individual separate type tunnel is attached;
Wherein, the Y types variable cross-section wall(15)The two pass wall of setting(18), with being spaced at a certain distance in two separate types tunnels
Two adjacent side walls of arrangement(3A)Correspondence connection;
The single track wall that the Y types variable cross-section wall is set(19), the mid-board arranged with monoblock type in genuine between adjacent two Room(9)
Correspondence connection.
2. Y types attachment structure as claimed in claim 1, it is characterised in that
The Y types variable cross-section wall(15)Two pass wall(18)In any wall wall thickness, the genuine side wall with separate type(3A)
Wall thickness it is identical;
The Y types variable cross-section wall(15)Single track wall(19)Wall thickness, the genuine mid-board with monoblock type(9)Wall thickness it is identical;
Two adjacent side walls during the separate type is genuine(3A)Between spacing, corresponding to two pass wall(18)Between middle twice wall
Spacing, to be doubled in side wall(3A)Thickness.
3. Y types attachment structure as claimed in claim 1, it is characterised in that
The Y types variable cross-section wall(15)Two pass wall(18)In gap between middle twice wall, to tamp the plain coagulation in the gap
Soil.
4. Y types attachment structure as claimed in claim 1, it is characterised in that
The Y types variable cross-section wall(15)Include any one following structure or its any combination:
The two pass wall(18)Inwall length(A)For 1m ~ 2m;
The two pass wall(18)Peripheral wall length(B)For inwall length(A)Twice;
The Y types variable cross-section wall(15)Wall variable cross-section at angle, θ be 135 degree.
5. a kind of genuine reconstruction structure, it is characterised in that
Between the genuine tunnel with two neighboring separate type of monoblock type, it is attached by structural transition section;
Y type variable cross-section wall any one described in is provided with claim 1 ~ 4 in the structural transition section(15);
Pass through the Y types variable cross-section wall(15)The two pass wall of setting(18), with being spaced at a certain distance in two separate types tunnels
Two adjacent side walls of arrangement(3A)Correspondence connection;
And the single track wall set by the Y types variable cross-section wall(19), in being arranged between adjacent two Room in monoblock type tunnel
Partition wall(9)Correspondence connection.
6. genuine reconstruction structure as claimed in claim 5, it is characterised in that
Movement joint between structural transition section and separate type are genuine(12)Place so that top plate, the bottom plate of structural transition section(21)、
The side wall in outside(22), respectively with the genuine respective top plate of two separate types(1), bottom plate(2), outside side wall(3)Correspondence connects
Connect;
Movement joint between structural transition section and monoblock type are genuine(20)Place, makes top plate, the bottom plate of structural transition section(21), it is outer
The side wall of side(22), respectively with the top plate in monoblock type tunnel(6), bottom plate(7), outside side wall(8)Correspondence connection.
7. genuine reconstruction structure as claimed in claim 5, it is characterised in that
The genuine reconstruction structure includes any one following structure or its combination:
Movement joint between structural transition section and separate type are genuine(12)Both sides bottom plate be provided with grouting perforate, hole
Bottom continuous strengthing body formed below(17);
Movement joint between structural transition section and monoblock type are genuine(20)Both sides bottom plate be provided with grouting perforate, hole
Bottom continuous strengthing body formed below.
8. genuine reconstruction structure as claimed in claim 6, it is characterised in that
The bottom plate and separate type of structural transition section be genuine or bottom plate of the structural transition section between connected by tongue-and-groove;
Or, set in the lower section of the bottom plate and the back plate connections that separate type is genuine or monoblock type is genuine of structural transition section
There is cast-in-situ bored pile.
9. a kind of genuine reconstruction method, it is characterised in that include procedure below:
Perforate slip casting is reinforced on the both sides bottom plate of the genuine movement joint between the road of original place of reconstruction section;
Building enclosure is applied again in the genuine outside of reconstruction section, cuts the unlimited segment structure in original place road to the deformation joint,
And retain rubber fastening band and shear reinforcement in the movement joint for pouring structure changeover portion;
Wherein, original place road is that two neighboring separate type is genuine, and reconstruction section tunnel is that structural transition section and monoblock type are genuine;Or,
Original place road is that monoblock type is genuine, and reconstruction section tunnel is that structural transition section and two neighboring separate type are genuine;
It is attached monoblock type is genuine by structural transition section with two neighboring separate type tunnel;
Using the Y type variable cross-section walls as described in any one in claim 1 ~ 4 in wherein described structural transition section(15), make institute
State Y type variable cross-section walls(15)The two pass wall of setting(18), with two separate types it is genuine in spaced apart two at a certain distance
Adjacent side wall(3A)Correspondence connection;And the single track wall that the Y types variable cross-section wall is set(19), it is adjacent with monoblock type tunnel
The mid-board arranged between two Room(9)Correspondence connection;
The waterproof for carrying out structural transition section and the measure construction for preventing and treating differential settlement.
10. genuine reconstruction method as claimed in claim 9, it is characterised in that
Y type variable cross-section walls are poured finish after, by two pass wall(18)Between gap tamped with plain concrete.
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CN201510453291.4A CN105019474B (en) | 2015-07-29 | 2015-07-29 | A kind of genuine reconstruction structure and its reconstruction method |
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CN201510453291.4A CN105019474B (en) | 2015-07-29 | 2015-07-29 | A kind of genuine reconstruction structure and its reconstruction method |
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CN105019474B true CN105019474B (en) | 2017-09-26 |
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Citations (4)
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JPH07331998A (en) * | 1994-06-13 | 1995-12-19 | Ohbayashi Corp | Constructing method of rock cavern |
CN101168963A (en) * | 2007-11-05 | 2008-04-30 | 上海市第二市政工程有限公司 | Large depth underground continuous wall water-stop joint device |
CN104234079A (en) * | 2014-07-24 | 2014-12-24 | 中铁十二局集团第二工程有限公司 | Subway station Y-shaped cast steel combining steel pipe post processing and construction method |
CN204919604U (en) * | 2015-07-29 | 2015-12-30 | 上海市政工程设计研究总院(集团)有限公司 | Genuine reconstruction structure and Y type connection structure thereof |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8925282B2 (en) * | 2011-07-08 | 2015-01-06 | Contech Engineered Solutions LLC | Foundation system for bridges and other structures |
-
2015
- 2015-07-29 CN CN201510453291.4A patent/CN105019474B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07331998A (en) * | 1994-06-13 | 1995-12-19 | Ohbayashi Corp | Constructing method of rock cavern |
CN101168963A (en) * | 2007-11-05 | 2008-04-30 | 上海市第二市政工程有限公司 | Large depth underground continuous wall water-stop joint device |
CN104234079A (en) * | 2014-07-24 | 2014-12-24 | 中铁十二局集团第二工程有限公司 | Subway station Y-shaped cast steel combining steel pipe post processing and construction method |
CN204919604U (en) * | 2015-07-29 | 2015-12-30 | 上海市政工程设计研究总院(集团)有限公司 | Genuine reconstruction structure and Y type connection structure thereof |
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Effective date of registration: 20210625 Address after: 13 / F, 525 Jianguo East Road, Huangpu District, Shanghai 200025 Patentee after: SHANGHAI URBAN TRANSPORTATION DESIGN INSTITUTE Co.,Ltd. Address before: 200092 No. two, 901 North Road, Yangpu District, Shanghai, Zhongshan Patentee before: SHANGHAI MUNICIPAL ENGINEERING DESIGN INSTITUTE (Group) Co.,Ltd. |