CN206636571U - One kind can prestress steel structure concrete pipe sheet - Google Patents
One kind can prestress steel structure concrete pipe sheet Download PDFInfo
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- CN206636571U CN206636571U CN201720219803.5U CN201720219803U CN206636571U CN 206636571 U CN206636571 U CN 206636571U CN 201720219803 U CN201720219803 U CN 201720219803U CN 206636571 U CN206636571 U CN 206636571U
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Abstract
Can prestress steel structure concrete pipe sheet the utility model discloses one kind,If including being spliced into the section of jurisdiction body that longitudinal cross-section is ring-type successively by dry plate steel structure concrete pipe sheet head and the tail,Steel structure concrete pipe sheet includes concrete body and veneer steel plate,Steel strand wires duct is disposed with concrete body,Corresponding steel strand wires duct is interconnected in adjacent two panels steel structure concrete pipe sheet,The disposed inboard of wherein a piece of steel structure concrete pipe sheet has steel structure anchorage groove,The bottom wall and inwall of steel structure anchorage groove are fixed with veneer steel plate,Without secondary lining armored concrete or the other laying water pipes in tunnel are poured on the inside of the hole of section of jurisdiction again,The veneer steel plate of steel structure concrete pipe sheet can also prevent section of jurisdiction seepage,Improve section of jurisdiction durability,So it is substantially shorter the completion time of project that shield construction crosses water high internal pressure tunnel,Reduce its construction investment,The service life of water tunnel can be improved again.
Description
Technical field
The utility model is related to that a kind of high internal pressure crosses water Shield tunnel can prestress steel structure concrete pipe sheet.
Background technology
Due to shield construction tunnel, without above ground structure of removing, traffic above-ground is not influenceed, effect on environment is small, energy
Adapt to most of geological conditions, speed of application is fast, quality is good, job safety, Hydraulic and Hydro-Power Engineering tunnel construction in apply by
Gradually it is promoted.But due to the tunnel in Hydraulic and Hydro-Power Engineering, typically it was used for water, and to there is internal pressure tunnel, especially
It is the diversion tunnel in diversion tunnel and the high water head generation engineering over strait in some long range Inter-Basin Water Transfer Projects, its mistake
Water tunnel internal pressure can reach 0.5~1.0MPa（Equivalent to 50~100m head pressures）, and current shield construction tunnel is interior
Bushing pipe piece, can only undertake the effect of earth pressure, groundwater pressure and some special loads outside resistance tunnel, and can not resist
Water pressure in tunnel, especially high hydraulic pressure, to solve this problem, the method generally used at present is that have pressure tunnel in water excessively
Lining concrete, or water conveyance steel tube is separately installed in Shield tunnel again on the inside of the hole of hole section of jurisdiction, certain so for guarantee
Discharge area, need to increase the cross-sectional area of tunnel, and tunnel construction it is complete after could carry out in just concrete construction, water conveyance steel tube peace
Dress, the engineering construction duration is greatly prolonged, invests and greatly increases.
Utility model content
The purpose of this utility model, be to provide one kind can prestress steel structure concrete pipe sheet, pass through steel structure pipe of concrete
Piece and prestress wire combine the high hydraulic pressure effect in resistance tunnel that undertakes, and high hydraulic pressure can not be resisted not by overcoming existing section of jurisdiction
Foot, without pouring secondary lining armored concrete or the other laying water pipes in tunnel, steel structure on the inside of the hole of section of jurisdiction again
The veneer steel plate of concrete pipe sheet can also prevent section of jurisdiction seepage, improve section of jurisdiction durability, so be substantially shorter shield construction
Spend the completion time of project of water high internal pressure tunnel, reduce its construction investment, the service life of water tunnel can be improved again.
The solution that the utility model solves its technical problem is：One kind can prestress steel structure concrete pipe sheet, including
If by dry plate steel structure concrete pipe sheet splicing section of jurisdiction body circlewise, the steel structure concrete pipe sheet include concrete body with
And the veneer steel plate of concrete body medial surface is fixed on, at least one steel strand wires duct is disposed with the concrete body,
Corresponding steel strand wires duct is interconnected in adjacent two panels steel structure concrete pipe sheet, wherein a piece of steel structure concrete pipe sheet
Disposed inboard has steel structure anchorage groove, and the bottom wall and inwall of the steel structure anchorage groove are fixed with veneer steel plate.
As the further improvement of above-mentioned technical proposal, the both ends in every steel strand wires duct are disposed with horn mouth guiding
Ring, the opening inside diameter of the horn mouth guide ring taper into from outside toward its inner side.
As the further improvement of above-mentioned technical proposal, steel strand wires duct is divided into the first duct by the steel structure anchorage groove
With the second duct, one of them described horn mouth guide ring is arranged in one end away from steel structure anchorage groove in the first duct, remaining
One horn mouth guide ring is arranged in one end away from steel structure anchorage groove in the second duct.
As the further improvement of above-mentioned technical proposal, water-swellable sealing is disposed with the outside of the horn mouth guide ring
Ring.
As the further improvement of above-mentioned technical proposal, the veneer steel plate is solid after being embedded in by anchor fluke in concrete body
It is scheduled on concrete body.
The beneficial effects of the utility model are：The utility model passes through steel structure to overcome the shortcomings of existing shield duct piece
Concrete pipe sheet and prestress wire combine the high hydraulic pressure effect in resistance tunnel that undertakes, and height can not be resisted by overcoming existing section of jurisdiction
The deficiency of hydraulic pressure, without pouring secondary lining armored concrete on the inside of the hole of section of jurisdiction again or laying water-supply-pipe in addition in tunnel
Road, the veneer steel plate of steel structure concrete pipe sheet can also prevent section of jurisdiction seepage, improve section of jurisdiction durability, so be substantially shorter shield
Method constructed water high internal pressure tunnel completion time of project, reduce its construction investment, the service life of water tunnel can be improved again.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described.Obviously, described accompanying drawing is part of the embodiment of the present utility model, rather than entirely
Portion's embodiment, those skilled in the art on the premise of not paying creative work, can also obtain it according to these accompanying drawings
His design and accompanying drawing.
Fig. 1 is the front view of steel structure concrete pipe sheet in the utility model；
Fig. 2 be in Fig. 1 A-A to sectional view；
Fig. 3 is the front view of the steel structure concrete pipe sheet of strip structure anchorage groove in the utility model；
Fig. 4 is the sectional view of B-B direction in Fig. 3；
Fig. 5 is structural representation of the present utility model.
Embodiment
Design, concrete structure and caused technique effect of the present utility model are carried out below with reference to embodiment and accompanying drawing
Clearly and completely describe, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is part of the embodiment of the present utility model, rather than whole embodiments, based on embodiment of the present utility model, the skill of this area
The other embodiment that art personnel are obtained on the premise of not paying creative work, belong to the model of the utility model protection
Enclose.In addition, all connection/annexations being previously mentioned in text, not singly refer to component and directly connect, and refer to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, to form more excellent draw bail.
1~Fig. 5 of reference picture, one kind can prestress steel structure concrete pipe sheet, if including being spelled by dry plate steel structure concrete pipe sheet 1
The section of jurisdiction body of ring-type is connected into, the steel structure concrete pipe sheet 1 includes concrete body 10 and is fixed on concrete body 10
The veneer steel plate 11 of medial surface, at least one steel strand wires duct 2, adjacent two panels steel structure are disposed with the concrete body 10
Corresponding steel strand wires duct 2 is interconnected in concrete pipe sheet 1, wherein the disposed inboard of a piece of steel structure concrete pipe sheet 1 has
Steel structure anchorage groove 5, the bottom wall and inwall of the steel structure anchorage groove 5 are fixed with veneer steel plate 11.
Preferred embodiment is further used as, the both ends in every steel strand wires duct 2 are disposed with horn mouth guide ring
3, the opening inside diameter of the horn mouth guide ring 3 tapers into from outside toward its inner side.
Be further used as preferred embodiment, the steel structure anchorage groove 5 by steel strand wires duct 2 be divided into the first duct and
Second duct, one of them described horn mouth guide ring 3 is arranged in one end away from steel structure anchorage groove 5 in the first duct, remaining
One horn mouth guide ring 3 is arranged in one end away from steel structure anchorage groove 5 in the second duct.
Preferred embodiment is further used as, the outside of horn mouth guide ring 3 is disposed with water-swellable seal ring 4.
Preferred embodiment is further used as, the veneer steel plate 11 is solid after being embedded in by anchor fluke in concrete body 10
It is scheduled on concrete body 10.
One kind can the construction method of prestress steel structure concrete pipe sheet 1, comprise the following steps,
1）According to the interior external load born of Shield tunnel, carry out prestress steel structure concrete pipe sheet 1 and design, it is determined that pipe
Piece thickness, concrete strength, amount of reinforcement, the dosage of the thickness of veneer steel plate 11 and prestress wire and arrangement spacing；
2）Steel structure concrete pipe sheet 1 is made, and makes the steel structure concrete pipe sheet of the strip structure anchorage groove 5 of respective numbers
1, the horn mouth guide ring 3 of respective numbers is disposed with every steel structure concrete pipe sheet 1；
3）When section of jurisdiction is installed, two kinds of steel structure concrete pipe sheets 1 are transported to working face and installed, in horn mouth before installation
The outside of guide ring 3 fixes water-swellable seal ring 4, and in installation process, pre-buried bolt is passed through using section of jurisdiction connecting bolt
Hole connects steel structure concrete pipe sheet 1 integral, and carries out the dorsal part of steel structure concrete pipe sheet 1 by pre-buried grout hole and is in the milk,
Fill the space between steel structure concrete pipe sheet 1 and country rock；
4）When set of tunneling construction completion, after possessing prestress wire mounting condition, wearing for prestress wire is carried out
Rope is constructed, during prestress wire is reeved, after prestress wire comes out from steel structure concrete pipe sheet 1, under
Horn mouth guide ring 3 in one steel structure concrete pipe sheet 1 enters the steel strand wires duct 2 of next steel structure concrete pipe sheet 1
In, horn mouth guide ring 3 mainly play the guiding role during reeving；
5）Prestress wire 6 carries out blanking according to design and reserved tensioning and anchorage length, by the quantity of design, passes through
Installed in the steel strand wires duct 2 buried in pre- steel structure anchorage groove 5 and steel structure concrete pipe sheet 1；
6）After prestress wire 6 is installed in place, ring anchor tensioning is carried out by design and related specifications, reaches design and specification
After it is required that, locked.
Preferred embodiment is further used as, in step 2）In, anchor fluke is welded on veneer steel plate 11, by veneer steel plate
11 after being placed during steel structure concrete pipe sheet 1 makes mould, carry out the reinforcement installation of steel structure concrete pipe sheet 1, then pre-buried
Section of jurisdiction link bolt hole, grout hole and prestress wire are reeved hole bellows and the mould of horn mouth guide ring 3, in advance
The reeve internal holes of hole bellows of prestress steel strand are the steel strand wires duct 2.
Preferred embodiment is further used as, in step 6）Afterwards, after the tensioning fixation of prestress wire 6, steel is twisted
String holes road 2 carries out grouting construction, to the anchor in steel structure anchorage groove 5 after the grouting body in steel strand wires duct 2 reaches some strength
First 7 carry out sealing off and covering anchorage construction, after sealing off and covering anchorage concrete reaches some strength, carry out the welding procedure that steel structure anchorage groove 5 seals steel plate, make
The veneer steel plate 11 of anchorage slot seal steel plate and steel structure concrete pipe sheet 1 is welding as one.
Preferred embodiment is further used as, in step 6）Before or step 6）Afterwards, by the two neighboring steel structure
Veneer steel plate 11 in concrete pipe sheet 1 is integrally welded, and the gap between adjacent veneer steel plate 11 is blocked.
It is the preferable one embodiment of the utility model below, comprises the following steps that：
1）According to the interior external load born of Shield tunnel, carry out prestress steel structure concrete pipe sheet 1 and design, it is determined that pipe
Piece thickness, concrete strength, amount of reinforcement, the dosage of the thickness of veneer steel plate 11 and prestress wire 6 and arrangement spacing；
（2）Steel structure concrete pipe sheet 1 is carried out to make.To make veneer steel plate 11 be closely connected with section of jurisdiction armored concrete,
Anchor fluke is welded on veneer steel plate 11；By veneer steel plate 11 after being placed during steel structure concrete pipe sheet 1 makes mould, steel structure is carried out
The reinforcement installation of concrete pipe sheet 1, then pre-buried section of jurisdiction link bolt hole, grout hole and prestress wire are reeved hole ripple
Pipe, the mould of horn mouth guide ring 3；When section of jurisdiction is the steel structure concrete pipe sheet 1 of strip structure anchorage groove 5, pre-buried steel is also answered
The mould of structure anchorage groove 5；Last casting concrete, steel structure concrete pipe sheet 1, the steel structure coagulation of strip structure anchorage groove 5 is made
Native section of jurisdiction 1；Certain age is arrived in maintenance on request, will be pre-buried in steel structure concrete pipe sheet 1 after the demoulding strength that concrete reaches
Section of jurisdiction link bolt hole, grout hole, the mould of 3 steel structure anchorage groove of horn mouth guide ring 5 etc. take out, and by steel structure pipe of concrete
It is stand-by that piece 1 hangs out making mould；
（3）When shield driving tunnel installs section of jurisdiction, the steel structure of required steel structure concrete pipe sheet 1, strip structure anchorage groove 5 is mixed
Solidifying native section of jurisdiction 1, which is transported to working face, is installed, and a closed-loop configures the steel structure concrete pipe sheet of a piece of strip structure anchorage groove 5
1, water-swellable seal ring 4 is installed and fixed in the outside of horn mouth guide ring 3 before installation, water-swellable seal ring 4 can prevent
During the grouting of section of jurisdiction dorsal part, slurries flow into prestress wire and reeved hole bellows, block prestress wire and reeve hole bellows,
In installation process, by pre-buried bolt hole steel structure concrete pipe sheet 1 is connected using section of jurisdiction connecting bolt integral；And lead to
Cross pre-buried grout hole and carry out the dorsal part grouting of steel structure concrete pipe sheet 1, the sky between filling steel structure concrete pipe sheet 1 and country rock
Gap；
（4）When set of tunneling construction completion, after possessing the mounting condition of prestress wire 6, prestress wire 6 is carried out
Reeve construction；
（5）Prestress wire 6 carries out blanking according to design and reserved tensioning and anchorage length, by the quantity of design, leads to
Cross and bury pre- steel structure anchorage groove 5, installed through the hole bellows of reeving of the prestress wire in steel structure concrete pipe sheet 1；In advance
Prestress steel strand 6, which can be used, bonding or non-bending steel cable；
（6）After prestress wire 6 is installed in place, ring anchor tensioning is carried out by design and related specifications, reaches design and rule
After model requirement, locked；
（7）After the tensioning fixation of prestress wire 6, grouting construction is carried out to steel strand wires duct 2, treats that steel strand wires duct 2 fills
Slurry carries out sealing off and covering anchorage construction after reaching some strength to the anchor head 7 in steel structure anchorage groove 5；
（8）After sealing off and covering anchorage concrete reaches some strength, the welding procedure that steel structure anchorage groove 5 seals steel plate is carried out, makes anchorage
The veneer steel plate 11 of slot seal steel plate and steel structure concrete pipe sheet 1 is welding as one.
Above is illustrated to better embodiment of the present utility model, but the utility model is created and unlimited
In the embodiment, those skilled in the art can also make a variety of on the premise of without prejudice to the utility model spirit
Equivalent modifications or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (5)
1. one kind can prestress steel structure concrete pipe sheet, it is characterised in that：If including being spliced into by dry plate steel structure concrete pipe sheet
The section of jurisdiction body of ring-type, the steel structure concrete pipe sheet include concrete body and are fixed on the patch of concrete body medial surface
Face steel plate, is disposed with least one steel strand wires duct on the concrete body, phase in adjacent two panels steel structure concrete pipe sheet
Corresponding steel strand wires duct is interconnected, wherein the disposed inboard of a piece of steel structure concrete pipe sheet has steel structure anchorage groove, the steel
The bottom wall and inwall of structure anchorage groove are fixed with veneer steel plate.
2. according to claim 1 can prestress steel structure concrete pipe sheet, it is characterised in that：Every steel strand wires duct
Both ends be disposed with horn mouth guide ring, the opening inside diameter of the horn mouth guide ring tapers into from outside toward its inner side.
3. according to claim 2 can prestress steel structure concrete pipe sheet, it is characterised in that：The steel structure anchorage groove is by steel
Twisted wire duct is divided into the first duct and the second duct, and one of them described horn mouth guide ring is arranged in remote in the first duct
One end of steel structure anchorage groove, remaining next horn mouth guide ring are arranged in one end away from steel structure anchorage groove in the second duct.
4. according to Claims 2 or 3 can prestress steel structure concrete pipe sheet, it is characterised in that：The horn mouth is oriented to
Water-swellable seal ring is disposed with the outside of ring.
5. according to claim 1 can prestress steel structure concrete pipe sheet, it is characterised in that：The veneer steel plate passes through anchor
Pawl is fixed on concrete body after being embedded in concrete body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219803.5U CN206636571U (en) | 2017-03-08 | 2017-03-08 | One kind can prestress steel structure concrete pipe sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720219803.5U CN206636571U (en) | 2017-03-08 | 2017-03-08 | One kind can prestress steel structure concrete pipe sheet |
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| Publication Number | Publication Date |
|---|---|
| CN206636571U true CN206636571U (en) | 2017-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720219803.5U Active CN206636571U (en) | 2017-03-08 | 2017-03-08 | One kind can prestress steel structure concrete pipe sheet |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106939791A (en) * | 2017-03-08 | 2017-07-11 | 广东水电二局股份有限公司 | One kind can prestress steel structure concrete pipe sheet and its construction method |
| CN114517493A (en) * | 2022-03-25 | 2022-05-20 | 北京交通大学 | Full-prefabricated construction method for open-cut tunnel |
-
2017
- 2017-03-08 CN CN201720219803.5U patent/CN206636571U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106939791A (en) * | 2017-03-08 | 2017-07-11 | 广东水电二局股份有限公司 | One kind can prestress steel structure concrete pipe sheet and its construction method |
| CN106939791B (en) * | 2017-03-08 | 2019-12-13 | 广东水电二局股份有限公司 | Prestressed steel structure concrete segment and construction method thereof |
| CN114517493A (en) * | 2022-03-25 | 2022-05-20 | 北京交通大学 | Full-prefabricated construction method for open-cut tunnel |
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