CN206280103U - A kind of shield tunnel joint built-in fitting for having interior hydraulic pressure - Google Patents
A kind of shield tunnel joint built-in fitting for having interior hydraulic pressure Download PDFInfo
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- CN206280103U CN206280103U CN201621274737.3U CN201621274737U CN206280103U CN 206280103 U CN206280103 U CN 206280103U CN 201621274737 U CN201621274737 U CN 201621274737U CN 206280103 U CN206280103 U CN 206280103U
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- shield tunnel
- fitting main
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Abstract
The utility model discloses a kind of shield tunnel joint built-in fitting for having interior hydraulic pressure, including embedded part body, it is characterized in that the built-in fitting main body sets link bolt hole and dowel bearing, the built-in fitting main body is embedded in the end of section of jurisdiction, and the reinforcing bar that link bolt hole is exposed in end face, and section of jurisdiction is connected by dowel bearing with the built-in fitting main body.By taking this built-in fitting, the bulk strength and rigidity of tunnel joint can be improved, resist the unfavorable load influence that the suffered interior hydraulic pressure such as water delivery, water storage, outlet tunnel brings.
Description
Technical field
The utility model is related to a kind of shield tunnel joint built-in fitting, specifically a kind of shield tunnel for having interior hydraulic pressure
Joint built-in fitting, for there is an interior hydraulic pressure tunnel, the prefabricated duct pieces of shield tunnel assembled process bolt in ring is attached institute
Built-in fitting.
Background technology
At present, during optimization water source supply and propulsion sponge city, the water delivery of China's shield construction, water storage,
Outlet tunnel is more and more, based on use armored concrete prefabricated pipe section.Traditional shield tunnel joint is with straight bolt or tiltedly
The method that bolt butt joint is directly attached is not particularly suited for the tunnel joint of interior influence of hydraulic pressure.To reduce interior hydraulic pressure to tunnel
The influence of road structure, frequently with double-deck lining cutting, but the construction period is long and high cost.Received from raising duct piece connector in the utility model
The angle of power performance is set out, based on the shield tunnel loading characteristic by interior influence of hydraulic pressure, it is proposed that this kind of to can be used for single shell lining
Joint built-in fitting.
Utility model content
The purpose of this utility model is to provide a kind of shield tunnel joint built-in fitting for having interior hydraulic pressure, is carried out using cast iron
Pour, quickly and easily carry out reinforced concrete segment connecting between block, the shield tunnel ring assembled so as to obtain high-quality.
To achieve these goals, the technical solution of the utility model is as follows：A kind of shield tunnel joint for having interior hydraulic pressure
Built-in fitting, including embedded part body, it is characterised in that the built-in fitting main body is set
Link bolt hole, multiple link bolt hole are provided with the built-in fitting main body；
Dowel bearing, the dowel bearing is set along the periphery of the embedded part body, for connecting dowel；
The built-in fitting main body is embedded in the end of section of jurisdiction, and the reinforcing bar that link bolt hole is exposed in end face, and section of jurisdiction leads to
Dowel bearing is crossed to be connected with the built-in fitting main body.
Preferably, built-in fitting is anchored at section of jurisdiction end and sets at hand hole.
Preferably, the built-in fitting main body uses ironcasting.
Preferably, embedded part body cross section lower end sets base, and upper end sets drift angle, and both sides are symmetrically arranged side
Triangle, wherein side is formed by connecting by epimere side and hypomere side, and epimere side is less than down with the angle of horizontal direction
Section side and the angle of horizontal direction, are in circular arc at the built-in fitting main body upper end drift angle, and the upper end of built-in fitting main body is set
One dowel bearing, multiple dowel bearings are provided with along both sides side, and three connecting bolts are provided with the built-in fitting main body
Hole, one of them is arranged on built-in fitting body top, and two set the bottom for being disposed side by side on built-in fitting main body.
Preferably, the bottom of the end face outside of the joint built-in fitting is provided with a depressed part, and depressed part lower section
End face outside in slope inwardly set inclined-plane.
The utility model sets built-in fitting by duct pieces of shield tunnel end, and completes shield tunnel by built-in fitting
Connection between piece.Of the present utility model be during pipe sheet assembling, bolt to be attached by bolt hole a little, from
And can quickly and easily by pipe sheet assembling cyclization.This kind of built-in fitting can improve the bulk strength and rigidity of tunnel joint, resist
The unfavorable load influence that the suffered interior hydraulic pressure such as water delivery, water storage, outlet tunnel brings.
Brief description of the drawings
Fig. 1 is joint built-in fitting elevation.
Fig. 2 is joint built-in fitting side view.
Position of Fig. 3 joint built-in fittings in section of jurisdiction（Anchor ring）.
Position of Fig. 4 joint built-in fittings in section of jurisdiction（Cross section）.
The position that Fig. 5 joints built-in fitting is finished in section of jurisdiction connection.
Specific embodiment
The utility model will be further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of shield tunnel joint built-in fitting for having interior hydraulic pressure, including embedded part body, the built-in fitting
Main body uses ironcasting, it is characterised in that the built-in fitting main body is set
Link bolt hole 1, multiple link bolt hole 1 are provided with the built-in fitting main body；
Dowel bearing 2, the dowel bearing 2 is set along the periphery of the embedded part body, for connecting dowel；
The built-in fitting main body is embedded in the end of section of jurisdiction, and the reinforcing bar that link bolt hole 1 is exposed in end face, and section of jurisdiction leads to
Dowel bearing 2 is crossed to be connected with the built-in fitting main body.
Embedded part body cross section lower end sets base, and upper end sets drift angle, and both sides are the triangle of symmetrically arranged side
Shape, wherein side are formed by connecting by epimere side and hypomere side, and epimere side is less than hypomere side with the angle of horizontal direction
With the angle of horizontal direction, in the present embodiment, the angle of epimere side and horizontal direction is 50 ~ 70 degree, hypomere side and water
Square to angle be 75 ~ 85 degree, rounded design at the built-in fitting main body upper end drift angle, the upper end of built-in fitting main body is set
One dowel bearing, multiple dowel bearings are provided with along both sides side, and three connecting bolts are provided with the built-in fitting main body
Hole 1, one of them is arranged on built-in fitting body top, and two set the bottom for being disposed side by side on built-in fitting main body.
Preferably, the joint built-in fitting uses thickness design, i.e., in region of stress concentration（As near bolt hole）It is thick
Degree is larger, smaller in the less area thickness of stress, therefore, the utility model is near link bolt hole and along built-in fitting sheet
The thickness of the both sides lateral location of body is larger, generally uses general thickness, and in the less region of middle stress then reduce thickness,
With material-saving, while also setting up two ribs be arrangeding in parallel, the two ends of the rib in the middle part of joint built-in fitting
It is connected with both sides side by arc respectively.Preferably, the thickness in the less region of middle stress for general thickness 50% ~
60%。
The utility model using triangle embedded part structure, compared to the embedded part structure of conventional quadrilateral structure,
Under same technical parameter, to reach identical strength and stiffness, triangle embedded part structure of the present utility model can be saved
Material more than 30%, with reference to thickness design of the present utility model, can save material 40 ~ 50% altogether.
As shown in figure 3, in the component process segment, the hand hole 4 that joint built-in fitting 3 is anchored at duct pieces of shield tunnel end is attached
Closely, as illustrated, duct pieces of shield tunnel is a part for annular, the joint built-in fitting 3 is positioned close to ring-shaped inner wall
Side.
Fig. 4 gives position of the joint built-in fitting in the cross section of section of jurisdiction, along shield driving direction（The direction of arrow in figure）,
Each duct pieces of shield tunnel sets 2 joint built-in fittings 4.In this embodiment, the section of the joint built-in fitting 4 is quadrangle
Structure, multiple dowel bearings 2 are symmetrical arranged along the periphery of the quadrangle, and four connection spiral shells are provided with the built-in fitting main body
Keyhole 1, two of which is arranged on built-in fitting body top, and two set the bottom for being disposed side by side on built-in fitting main body.
The ring assembly stage in section of jurisdiction, as shown in figure 5, bolt 5 can be pierced into embedded part bolt hole by artificial or equipment
Nut is tightened into completion again assembled.
The bottom of the end face outside of the joint built-in fitting is provided with the outboard end below a depressed part, and the depressed part
The inclined-plane that face is set in sloping inwardly, when section of jurisdiction ring is assembled, two corresponding joint built-in fitting end face outsides are engaged, and are formed
One square groove, and the gap below square groove, this square hole and gap are for inserting waterstop pad and to meet water swollen
The reserved space of swollen material, for preventing the percolating water of joint area（Because leaning on tools for bolts ' pretension it cannot be guaranteed that joint area is close for a long time
Patch, and tunnel is chronically at the environment of Shuifu County's collection）.
Although detailed description being given to specific embodiment of the present utility model above and being illustrated, it should be noted that
It is that we can carry out various equivalent changes and modification to above-mentioned implementation method according to conception of the present utility model, produced by it
Function still without departing from specification covered it is spiritual when, all should be within protection domain of the present utility model.
Claims (5)
1. a kind of shield tunnel joint built-in fitting for having interior hydraulic pressure, including embedded part body, it is characterised in that the built-in fitting master
Body is set
Link bolt hole, multiple link bolt hole are provided with the built-in fitting main body；
Dowel bearing, the dowel bearing is set along the periphery of the embedded part body, for connecting dowel；
The built-in fitting main body is embedded in the end of section of jurisdiction, and the reinforcing bar that link bolt hole is exposed in end face, and section of jurisdiction passes through anchor
Muscle bearing is connected with the built-in fitting main body.
2. shield tunnel joint built-in fitting as claimed in claim 1, it is characterised in that built-in fitting is anchored at the setting of section of jurisdiction end
At hand hole.
3. shield tunnel joint built-in fitting as claimed in claim 1, it is characterised in that the built-in fitting main body uses ironcasting.
4. shield tunnel joint built-in fitting as claimed in claim 1, it is characterised in that embedded part body cross section lower end
If base, upper end sets drift angle, and both sides are the triangle of symmetrically arranged side, and wherein side is connected by epimere side and hypomere side
Connect and form, epimere side is less than the angle of hypomere side and horizontal direction with the angle of horizontal direction, in the built-in fitting main body
It is in circular arc at the drift angle of end, the upper end of built-in fitting main body sets a dowel bearing, both sides side is provided with multiple dowel branch
Seat, is provided with three link bolt hole in the built-in fitting main body, one of them is arranged on built-in fitting body top, two settings
It is disposed side by side on the bottom of built-in fitting main body.
5. shield tunnel joint built-in fitting as claimed in claim 1, it is characterised in that the end face outside of the joint built-in fitting
Bottom be provided with the inclined-plane that end face outside below a depressed part, and the depressed part is set in sloping inwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274737.3U CN206280103U (en) | 2016-11-25 | 2016-11-25 | A kind of shield tunnel joint built-in fitting for having interior hydraulic pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621274737.3U CN206280103U (en) | 2016-11-25 | 2016-11-25 | A kind of shield tunnel joint built-in fitting for having interior hydraulic pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206280103U true CN206280103U (en) | 2017-06-27 |
Family
ID=59083982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621274737.3U Active CN206280103U (en) | 2016-11-25 | 2016-11-25 | A kind of shield tunnel joint built-in fitting for having interior hydraulic pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206280103U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499436A (en) * | 2016-11-25 | 2017-03-15 | 上海市政工程设计研究总院（集团）有限公司 | There is assembling method in the shield tunnel joint built-in fitting and shield tunnel ring of interior hydraulic pressure |
| CN106761818A (en) * | 2016-11-30 | 2017-05-31 | 上海市政工程设计研究总院（集团）有限公司 | A kind of shield tunnel piecing devices for there is interior hydraulic pressure |
-
2016
- 2016-11-25 CN CN201621274737.3U patent/CN206280103U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499436A (en) * | 2016-11-25 | 2017-03-15 | 上海市政工程设计研究总院（集团）有限公司 | There is assembling method in the shield tunnel joint built-in fitting and shield tunnel ring of interior hydraulic pressure |
| CN106761818A (en) * | 2016-11-30 | 2017-05-31 | 上海市政工程设计研究总院（集团）有限公司 | A kind of shield tunnel piecing devices for there is interior hydraulic pressure |
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