CN207092141U - Pre-stress system for FS final spice - Google Patents
Pre-stress system for FS final spice Download PDFInfo
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- CN207092141U CN207092141U CN201721106339.5U CN201721106339U CN207092141U CN 207092141 U CN207092141 U CN 207092141U CN 201721106339 U CN201721106339 U CN 201721106339U CN 207092141 U CN207092141 U CN 207092141U
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- Prior art keywords
- joint
- bearing plate
- final spice
- web
- prestressing force
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Abstract
The utility model discloses the pre-stress system for FS final spice, FS final spice includes joint one and joint two, the faying face of joint one and joint two is provided with a circle closed circular waterstop, along joint about one inwall be uniformly arranged several connection members, the connection member of joint setting identical quantity in inwall corresponding position about two, each connection member connection member corresponding with joint two on joint one forms a connector group, and at least one prestressed strand is connected between each connector group.With the pre-stress system, realized by prestressed strand and provide continued compression to waterstop, ensure in FS final spice installation process and waterstop is in the state compressed all the time after installation, prevent water from entering inside FS final spice, waterstop uniform force simultaneously, prevent that impact causes Water stop structure to destroy when external seawater pressure persistently increases during FS final spice sinking, the pre-stress system is simple in construction, it is convenient to set, and works well.
Description
Technical field
It the utility model is related to immersed tube tunnel field, more particularly to a kind of pre-stress system for FS final spice.
Background technology
Immersed tunnelling method constructing tunnel, exactly partly latent refute or dry-docking in prefabricated tunnel immersed tube difference transportation by driving to making a reservation for
The docking of position sinking, is longer than the metric space of the pipeline section to make the sinking of final section pipeline section smoothly to leave, the remainder away from
Pipeline section from the sinking docking of space institute is considered as the equal Immersed tunnel in both ends of FS final spice, i.e. tunnel connection, and in marine docking
Close up, the last pipeline section that closes up is FS final spice.The immersed tube tunnel final joint is the key of immersed tube tunnel construction, particularly
Off-lying sea overlength immersed tube tunnel construction, job site operating condition is difficult, is faced with the marine environment bars such as wave and the ocean current of complexity
Part and meteorological condition.
When immersed tube FS final spice immersed tube is installed, it is easy to control position and posture, reduces and installation to be connected
The risk of collision of adjacent immersed tube, convenient to enter installation station, some FS final spices are designed to by joint one and joint 2 two
Part is formed by connecting, and the faying face of joint one and joint two is provided with the waterstop of a circle closed circular, it is necessary to paste waterstop
Together in two basic change face and compressive state is in, seawater enters inside FS final spice during preventing immersed tube；Due to joint one and connect
First two be super large component, it is ensured that waterstop forced compression is uniform, prevents that external seawater pressure continues during FS final spice sinking
Impact causes Water stop structure to destroy during increase.
Utility model content
The purpose of this utility model is that it is super large component to solve joint one and joint two, it is ensured that waterstop is forced
Contracting is uniform, prevents the problem of impact causes Water stop structure to destroy when external seawater pressure persistently increases during FS final spice sinking,
A kind of pre-stress system for FS final spice is provided.
In order to realize above-mentioned purpose of utility model, the utility model provides following technical scheme：
A kind of pre-stress system for FS final spice, FS final spice include joint one and joint two, and the joint one is used
A circle closed circular waterstop is provided with the faying face for connecting the joint two, the waterstop is used to fit in the joint
Two faying face, along the joint about one inwall be uniformly arranged several connection members, the joint about two inwall it is corresponding
Place sets the connection member of identical quantity, and each connection member on the joint one is corresponding with the joint two
The connection member form a connector group, connect at least one prestressed strand between each connector group.
Using the pre-stress system described in the utility model for FS final spice, after the waterstop precommpression,
Several prestressed strands are connected between the joint one and the joint two, utilize all prestressed strand tensioning
Compression to the waterstop between the joint one and the joint two provides lasting supporting, ensures the FS final spice
Waterstop all the time in the state compressed, prevents water from entering inside the FS final spice, simultaneously in installation process and after installation
All prestressed strand tensioning positioned at FS final spice inner cavity top and bottom make the waterstop uniform force, prevent from sinking
The impact of the pressure difference of external seawater pressure and internal air pressure causes the Water stop structure to destroy during pipe, the pre-stress system knot
Structure is simple, and it is convenient to set, and works well.
Preferably, the joint one and the joint two are steel-shelled concrete structure, and all connection members are steel
Structural member, all connection members are welded on the box hat of the joint one and the joint two.
Preferably, each connection member includes prestressing force bearing plate, web, the first stiffener and anchorage, described pre-
Stress bearing plate and the web are vertically connected at the FS final spice inwall, described in the prestressing force bearing plate vertical connection
Web, what the web was set is oriented parallel to the prestressed strand axis direction, and first stiffener is parallel to described
FS final spice inwall, first stiffener are connected to the prestressing force bearing plate and the web, the prestress steel simultaneously
Beam is anchored through the prestressing force bearing plate and by the anchorage.
Using this structure setting so that the connection member intensity is high, is advantageous to prestressed strand described in anchor simultaneously
The joint one and the joint two are formed by an entirety by tensioning, ensure the pressure to the waterstop.
Preferably, each connection member also includes girder steel bearing plate, and the girder steel bearing plate pre- is answered parallel to described
Power bearing plate, and it is vertically connected at the FS final spice inwall, the web is connected to described through the prestressing force bearing plate
Girder steel bearing plate, is connected with the second stiffener between the girder steel bearing plate and the web, second stiffener parallel to
The FS final spice inwall, the girder steel bearing plate connects the girder steel of the FS final spice end seal door, for supporting under water pressure
The FS final spice end seal door.
Preferably, the girder steel of the girder steel bearing plate and the end seal door is bolted.
Preferably, each connection member is including described in a prestressing force bearing plate, three webs, four
First stiffener and two anchorages, two webs are located at the prestressing force bearing plate both ends, and a web is located at institute
State in the middle part of prestressing force bearing plate, two prestressed strands are connected to the prestressing force bearing plate, and are located at middle part institute respectively
State the both sides of web and anchored by an anchorage, each first stiffener is connected to the two neighboring web and institute
Between stating prestressing force bearing plate, both sides respectively set first stiffener to each prestressed strand up and down.
Preferably, each first stiffener is right-angled trapezium, during the longer right-angle side of the right-angled trapezium is connected to
The web in portion, shorter right-angle side are connected to the web of end, and height is connected to the prestressing force bearing plate.
Preferably, three webs both pass through the prestressing force bearing plate and are connected to a girder steel bearing plate, and four
In individual second stiffener each second stiffener be connected to the two neighboring web and the girder steel bearing plate it
Between.
Preferably, each second stiffener is rectangle, and the relative both sides of the rectangle are connected to adjacent two
The individual web, another side are connected to the girder steel bearing plate.
Preferably, the waterstop is Gina waterstops.
The utility model additionally provides a kind of construction method of the pre-stress system for FS final spice, using such as to take up an official post
The pre-stress system for FS final spice described in one, comprises the following steps：
A, the prefabricated joint one and the joint two, institute is set on the faying face of the joint one and the joint two
State waterstop；
B, several connection members are uniformly arranged in the inwall up and down of the joint one and the joint two, and every
At least one steel beam is set between the individual connector group, and all described steel beam identical one end are fixedly connected on corresponding described
Connection member；
C, uniformly opened the free end for all steel beams being pointed on the FS final spice cross section at four angles
Draw and anchor；
D, the uniform tensioning of identical is carried out to the free end of remaining all steel beam and anchored, complete construction.
It is pre- to the waterstop using the construction method of the pre-stress system described in the utility model for FS final spice
After compression, several described prestressed strands are connected between the joint one and the joint two, using it is all it is described it is pre- should
Compressions of the power steel Shu Zhangla to the waterstop between the joint one and the joint two provides lasting supporting, ensures institute
State in FS final spice installation process and waterstop all the time in the state compressed, prevents water from entering the FS final spice after installation
Inside, while make the waterstop stress equal positioned at all prestressed strand tensioning of FS final spice inner cavity top and bottom
It is even, prevent that the impact of the pressure difference of external seawater pressure and internal air pressure causes the Water stop structure to destroy during immersed tube, this is pre-
The construction method step of stress system is simple, easy to operate, works well.
Preferably, after the FS final spice docks with remaining immersed tube and completes draining, into pipe in the construction stage, remove
The pre-stress system, avoid influenceing runway construction.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：
1st, with the pre-stress system described in the utility model for FS final spice, after the waterstop precommpression,
Several described prestressed strands are connected between the joint one and the joint two, utilize all prestressed strands
The compression to the waterstop between the joint one and the joint two is drawn to provide lasting supporting, most terminating described in guarantee
Waterstop all the time in the state compressed, prevents water from entering inside the FS final spice, together in head installation process and after installation
When all prestressed strand tensioning positioned at FS final spice inner cavity top and bottom make the waterstop uniform force, prevent
The impact of the pressure difference of external seawater pressure and internal air pressure causes the Water stop structure to destroy during immersed tube, the pre-stress system
Simple in construction, it is convenient to set, and works well；
2nd, with the construction method of the pre-stress system described in the utility model for FS final spice, to the waterstop
After precommpression, several described prestressed strands are connected between the joint one and the joint two, using all described pre-
Compressions of the stress steel Shu Zhangla to the waterstop between the joint one and the joint two provides lasting supporting, ensures
Waterstop all the time in the state compressed, prevents most terminating described in water entrance in the FS final spice installation process and after installation
Head is internal, while makes the waterstop stress positioned at all prestressed strand tensioning of FS final spice inner cavity top and bottom
Uniformly, prevent that the impact of the pressure difference of external seawater pressure and internal air pressure causes the Water stop structure to destroy during immersed tube, should
The construction method step of pre-stress system is simple, easy to operate, works well.
Brief description of the drawings
Fig. 1 is the structural representation of the pre-stress system for FS final spice shown in the utility model；
Fig. 2 is Fig. 1 side view；
Fig. 3 is Fig. 2 partial top view；
Fig. 4 is Fig. 3 partial enlarged drawing；
Fig. 5 is Fig. 4 sectional side view.
Marked in figure：1- joints one, 2- joints two, 3- waterstops, 4- connection members, 41- prestressing force bearing plates, 42- abdomens
Plate, the stiffeners of 43- first, 44- anchorages, 45- girder steel bearing plates, the stiffeners of 46- second, 5- prestressed strands, 6- end seal doors.
Embodiment
The utility model is described in further detail with reference to test example and embodiment.But should not be by this
The scope for being interpreted as the above-mentioned theme of the utility model is only limitted to following embodiment, all to be realized based on the utility model content
Technology belongs to the scope of the utility model.
Embodiment 1
As Figure 1-5, a kind of pre-stress system for FS final spice described in the utility model, FS final spice include
Joint 1 and joint 22.
The faying face that the joint 1 is used to connect the joint 22 is provided with a circle closed circular waterstop 3, described
Waterstop 3 is used to fit in the faying face of the joint 22, along the joint about one 1 inwall be uniformly arranged several connections
Part 4, the joint set the connection member 4 of identical quantity in inwall corresponding position about 22, every on the joint 1
The individual connection member 4 connection member 4 corresponding with the joint 22 forms a connector group, each company
At least one prestressed strand 5 is connected between fitting group.
As a preferred scheme of the present embodiment, the joint 1 and the joint 22 are steel-shelled concrete structure,
All connection members 4 are steel construction piece, and all connection members 4 are welded in the joint 1 and the joint 22
Box hat on, the waterstop 3 is Gina waterstops.
As a preferred scheme of the present embodiment, each connection member 4 includes prestressing force bearing plate 41, web
42nd, the first stiffener 43 and anchorage 44, the prestressing force bearing plate 41 and the web 42 are vertically connected at the most terminating
Head inwall, web 42 described in the vertical connection of prestressing force bearing plate 41, what the web 42 was set is oriented parallel to described pre-
The axis direction of stress steel beam 5, first stiffener 43 is parallel to the FS final spice inwall, and first stiffener 43 is simultaneously
The prestressing force bearing plate 41 and the web 42 are connected to, the prestressed strand 5 passes through the prestressing force bearing plate 41 simultaneously
Anchored by the anchorage 44, using this structure setting so that the connection member semi-finals degree is high, is advantageous to pre- described in anchor
The joint 1 and the joint 22 are simultaneously formed an entirety by stress steel beam 5 by tensioning, are ensured to the waterstop 3
Pressure.Each connection member 4 includes a web 42, four described first of prestressing force bearing plate 41, three
Stiffener 43 and two anchorages 44, two webs 42 are located at the both ends of prestressing force bearing plate 41, a web 42
Positioned at the middle part of prestressing force bearing plate 41, two prestressed strands 5 are connected to the prestressing force bearing plate 41, and respectively
Anchored positioned at the both sides of the middle part web 42 and by an anchorage 44, each first stiffener 43 is connected to adjacent
Between two webs 42 and the prestressing force bearing plate 41, each prestressed strand respectively sets one in both sides about 5
First stiffener 43, each first stiffener 43 are right-angled trapezium, and the longer right-angle side of the right-angled trapezium connects
The web 42 in middle part, shorter right-angle side are connected to the web 42 of end, and height is connected to the prestressing force pressure-bearing
Plate 41.
As a preferred scheme of the present embodiment, each connection member 4 also includes girder steel bearing plate 45, the steel
Joist support pressing plate 45 is vertically connected at the FS final spice inwall parallel to the prestressing force bearing plate 41, and the web 42 is worn
Cross the prestressing force bearing plate 41 and be connected to the girder steel bearing plate 45, connect between the girder steel bearing plate 45 and the web 42
The second stiffener 46 is connected to, second stiffener 46 connects parallel to the FS final spice inwall, the girder steel bearing plate 45
The girder steel of the FS final spice end seal door 6, for supporting the end seal door 6 of the FS final spice under water pressure.The girder steel is held
The girder steel of pressing plate 45 and the end seal door 6 is bolted.Three webs 42 both pass through the prestressing force bearing plate 41
A girder steel bearing plate 45 is connected to, each second stiffener 46 is connected to phase in four second stiffeners 46
Between adjacent two webs 42 and the girder steel bearing plate 45, each second stiffener 46 is rectangle, the rectangle phase
To both sides be connected to the web 42 of adjacent two, another side is connected to the girder steel bearing plate 45.
With the pre-stress system described in the utility model for FS final spice, after the precommpression of waterstop 3,
Several described prestressed strands 5 are connected between the joint 1 and the joint 22, utilize all prestressed strands 5
Tensioning provides lasting supporting to compressing for the waterstop 3 between the joint 1 and the joint 22, described in guarantee
Waterstop 3 all the time in the state compressed, prevents water from entering the FS final spice in FS final spice installation process and after installation
Inside, while make the stress of waterstop 3 positioned at all tensioning of prestressed strand 5 of FS final spice inner cavity top and bottom
Uniformly, prevent that the impact of the pressure difference of external seawater pressure and internal air pressure causes the structure of waterstop 3 to destroy during immersed tube, should
Pre-stress system is simple in construction, and it is convenient to set, and works well.
Embodiment 2
As Figure 1-5, the construction method of a kind of pre-stress system for FS final spice described in the utility model, should
With the pre-stress system for being used for FS final spice as described in Example 1, comprise the following steps：
A, the prefabricated joint 1 and the joint 22, set on the faying face of the joint 1 and the joint 22
Put the waterstop 3；
B, several connection members 4 are uniformly arranged in the inwall up and down of the joint 1 and the joint 22, and
At least one steel beam is set between each connector group, and all described steel beam identical one end are fixedly connected on corresponding
The connection member 4；
C, uniformly opened the free end for all steel beams being pointed on the FS final spice cross section at four angles
Draw and anchor；
D, the uniform tensioning of identical is carried out to the free end of remaining all steel beam and anchored, complete construction.
As a preferred scheme of the present embodiment, after the FS final spice docks with remaining immersed tube and completes draining,
Construction stage in into pipe, the pre-stress system at inwall on the FS final spice is removed, avoid influenceing runway construction, it is lower interior
Pre-stress system at wall retains, construct road surface when cover.
With the construction method of the pre-stress system described in the utility model for FS final spice, to the waterstop 3
After precommpression, several prestressed strands 5 are connected between the joint 1 and the joint 22, using all described
Compression of the tensioning of prestressed strand 5 to the waterstop 3 between the joint 1 and the joint 22 provides lasting branch
Hold, ensure in the FS final spice installation process and waterstop 3 all the time in the state compressed, prevents water from entering institute after installation
State inside FS final spice, at the same all tensioning of prestressed strand 5 positioned at FS final spice inner cavity top and bottom make it is described
The uniform force of waterstop 3, prevent that the impact of the pressure difference of external seawater pressure and internal air pressure causes the waterstop 3 during immersed tube
Structure is destroyed, and the construction method step of the pre-stress system is simple, easy to operate, works well.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of pre-stress system for FS final spice, it is characterised in that FS final spice includes joint one (1) and joint two
(2) faying face that, the joint one (1) is used to connect the joint two (2) is provided with a circle closed circular waterstop (3), institute
The faying face that waterstop (3) is used to fit in the joint two (2) is stated, several formation are provided with the inside of waterstop (3) ring
The connector group of one circle, each connector group include two connection members (4), are connected between each connector group
Lack a prestressed strand (5), each a connection member (4) in the connector group is located at the joint one (1)
On, another described connection member (4) is on the joint two (2).
2. the pre-stress system according to claim 1 for FS final spice, it is characterised in that the joint one (1) and
The joint two (2) is steel-shelled concrete structure, and all connection members (4) are steel construction piece, all connecting portions
Part (4) is welded on the box hat of the joint one (1) and the joint two (2).
3. the pre-stress system according to claim 1 for FS final spice, it is characterised in that each connection member
(4) prestressing force bearing plate (41), web (42), the first stiffener (43) and anchorage (44), the prestressing force bearing plate are included
(41) and the web (42) is vertically connected at the FS final spice inwall, prestressing force bearing plate (41) the vertical connection institute
Web (42) is stated, what the web (42) was set is oriented parallel to the prestressed strand (5) axis direction, and described first puts more energy into
Plate (43) first stiffener (43) while is connected to the prestressing force bearing plate (41) parallel to the FS final spice inwall
With the web (42), the prestressed strand (5) anchors through the prestressing force bearing plate (41) and by the anchorage (44).
4. the pre-stress system according to claim 3 for FS final spice, it is characterised in that each connection member
(4) girder steel bearing plate (45) is also included, the girder steel bearing plate (45) vertically connects parallel to the prestressing force bearing plate (41)
The FS final spice inwall is connected to, the web (42) is connected to the girder steel bearing plate through the prestressing force bearing plate (41)
(45) the second stiffener (46), second stiffener, are connected between the girder steel bearing plate (45) and the web (42)
(46) girder steel of the FS final spice end seal door (6) is connected parallel to the FS final spice inwall, the girder steel bearing plate (45),
For supporting the end seal door (6) of the FS final spice under water pressure.
5. the pre-stress system according to claim 4 for FS final spice, it is characterised in that the girder steel bearing plate
(45) girder steel with the end seal door (6) is bolted.
6. the pre-stress system according to claim 4 for FS final spice, it is characterised in that each connection member
(4) including a prestressing force bearing plate (41), three webs (42), four first stiffeners (43) and two
Anchorage (44), two webs (42) are located at prestressing force bearing plate (41) both ends, and a web (42) is located at institute
To state in the middle part of prestressing force bearing plate (41), two prestressed strands (5) are connected to the prestressing force bearing plate (41), and respectively
Anchored positioned at the both sides of the middle part web (42) and by an anchorage (44), each first stiffener (43) connection
Between the two neighboring web (42) and the prestressing force bearing plate (41), each prestressed strand (5) up and down two
Side respectively sets first stiffener (43).
7. the pre-stress system according to claim 6 for FS final spice, it is characterised in that each described first puts more energy into
Plate (43) is right-angled trapezium, and the longer right-angle side of the right-angled trapezium is connected to the web (42) at middle part, shorter right angle
While being connected to the web (42) of end, height is connected to the prestressing force bearing plate (41).
8. the pre-stress system according to claim 6 for FS final spice, it is characterised in that three webs (42)
Both pass through the prestressing force bearing plate (41) and be connected to a girder steel bearing plate (45), four second stiffeners (46)
In each second stiffener (46) be connected between the two neighboring web (42) and the girder steel bearing plate (45).
9. the pre-stress system according to claim 8 for FS final spice, it is characterised in that each described second puts more energy into
Plate (46) is rectangle, and the relative both sides of the rectangle are connected to the web (42) of adjacent two, and another side is connected to
The girder steel bearing plate (45).
10. according to the pre-stress system for FS final spice described in claim any one of 1-9, it is characterised in that described to stop
Water band (3) is Gina waterstops.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106339.5U CN207092141U (en) | 2017-08-30 | 2017-08-30 | Pre-stress system for FS final spice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106339.5U CN207092141U (en) | 2017-08-30 | 2017-08-30 | Pre-stress system for FS final spice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207092141U true CN207092141U (en) | 2018-03-13 |
Family
ID=61540382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721106339.5U Expired - Fee Related CN207092141U (en) | 2017-08-30 | 2017-08-30 | Pre-stress system for FS final spice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207092141U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524165A (en) * | 2017-08-30 | 2017-12-29 | 中交公路规划设计院有限公司 | Pre-stress system and construction method for FS final spice |
-
2017
- 2017-08-30 CN CN201721106339.5U patent/CN207092141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524165A (en) * | 2017-08-30 | 2017-12-29 | 中交公路规划设计院有限公司 | Pre-stress system and construction method for FS final spice |
| CN107524165B (en) * | 2017-08-30 | 2019-08-23 | 中交公路规划设计院有限公司 | Pre-stress system and construction method for FS final spice |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20200830 |
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| CF01 | Termination of patent right due to non-payment of annual fee |