CN209261600U - A kind of supporting construction for preventing tunnel subsidence deformation - Google Patents
A kind of supporting construction for preventing tunnel subsidence deformation Download PDFInfo
- Publication number
- CN209261600U CN209261600U CN201821850335.2U CN201821850335U CN209261600U CN 209261600 U CN209261600 U CN 209261600U CN 201821850335 U CN201821850335 U CN 201821850335U CN 209261600 U CN209261600 U CN 209261600U
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- steel
- arch
- supporting beam
- supporting construction
- hole
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Abstract
The utility model relates to the technical fields of tunnel support, it is intended to provide a kind of supporting construction for preventing tunnel subsidence deformation, its key points of the technical solution are that including splicing the arch formed by more piece arc I-steel circumferential direction, the joint of two adjacent section I-steel is provided perpendicular to the channel steel of I-steel；It further include supporting beam, the both ends of supporting beam are respectively equipped with telescopic hole, and elastic component, the bottom of one end connection telescopic hole of elastic component are equipped in telescopic hole, the other end is connected with support rod, I-steel is equipped with supported hole, and in the raw, support rod is in supported hole elastic component away from one end of elastic component, sliding mouth is additionally provided on the side wall at supporting beam both ends, sliding mouth is connected to telescopic hole, and support rod is equipped with sliding bar, and sliding bar is through sliding mouth.A possibility that supporting construction itself of this prevention tunnel subsidence deformation has a supporting beam for preventing arch from deforming, high stability, reduces arch deformation occurs, to reduce security risk.
Description
Technical field
The utility model relates to the technical field of tunnel support, in particular to a kind of supporting knot for preventing tunnel subsidence deformation
Structure.
Background technique
In the very poor tunnel of geology, tunnel often faces the puzzlement of large deformation.Excessive consolidating settlement not only results in
Limit is invaded in supporting, even results in tunnel cave, jeopardizes the safety of construction personnel, is increased project cost, is influenced project progress.Therefore,
Control tunnel deformation sedimentation is the key link in the very poor constructing tunnel of the geology such as soft rock or ultimate soft rock.
Notification number is that the Chinese patent of CN206205908U discloses a kind of channel steel arch support for preventing tunnel subsidence deformation
Beam, including splicing the arch formed by more piece arc I-steel circumferential direction, more Pin are arranged in parallel along tunnel direction in arch；Adjacent two
The joint of section I-steel is provided perpendicular to the channel steel of I-steel, and two Pins adjacent along tunnel direction are fixed at channel steel both ends
On arch；I-steel is fixed on by steel plate and bolt in channel steel end；The arch of tunnel excavation top bar and middle step intersection
At I-shaped steel joint, it is provided with reserving hole on the channel steel at this, sets the lock of round tube form at reserving hole into country rock
Foot anchor pole.
The channel steel arch joist of this prevention tunnel subsidence deformation on arch due to being fitted without for preventing arch from deforming
Supporting beam, stability is lower, and being easy to cause arch, deformation occurs, and there are security risks.
Utility model content
The purpose of the utility model is to provide a kind of supporting construction for preventing tunnel subsidence deformation, its own has for preventing
The only supporting beam of arch deformation, high stability, a possibility that reducing arch deformation occurs, to reduce security risk.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of supporting construction for preventing tunnel subsidence deformation, including splicing the arch formed by more piece arc I-steel circumferential direction
Several Pin are arranged in parallel along tunnel direction in frame, arch；The joint of two adjacent section I-steel is provided perpendicular to I-steel
Channel steel, channel steel both ends are fixed on along two adjacent Pin arches of tunnel direction；It is provided with reserving hole on the channel steel of arch two sides,
The lock foot anchoring stock for setting round tube form at reserving hole into country rock, further includes supporting beam, the both ends difference of the supporting beam
Equipped with telescopic hole, elastic component, the bottom of one end connection telescopic hole of elastic component are equipped in the telescopic hole, the other end is connected with branch
Strut, I-steel are equipped with supported hole, and in the raw, support rod is in supported hole away from one end of elastic component to elastic component
It is interior, sliding mouth is additionally provided on the side wall at supporting beam both ends, the sliding mouth is connected to telescopic hole, and the support rod is equipped with sliding
Bar, the sliding bar is through sliding mouth.
It by using above-mentioned technical proposal, exerts a force to support rod, elastic component becomes compressive state from nature, makes to support
Bar is in telescopic hole, and supporting beam is moved at the supported hole on I-steel by mobile supporting beam, and support rod is applied in releasing
Power, elastic component become nature from compressive state, and support rod is stretched out and penetrated into out of telescopic hole away from one end of elastic component
In supported hole, to realize the purpose for connecting supporting beam and I-steel, supporting beam can be supported arch, improve
The stability of arch reduces security risk a possibility that reducing arch deformation occurs.
Further setting: being additionally provided with L shape strut in the supporting beam, the bending place of the L shape strut connects support
Beam, the both ends of L shape strut are removably connected to the I-steel at the top of arch respectively.
By using above-mentioned technical proposal, is connected at the top of the both ends difference arch of L shape strut, make L shape strut arch
The stability of arch can be further improved to be supported at the top of arch, what is further reduced arch deformation occurs can
Energy property, reduces security risk.
Further setting: the both ends of the L shape strut are respectively connected with arc-like sheet, pass through spiral shell between arc-like sheet and I-steel
Screw bolt and nut connection.
Screw is sequentially passed through into I-steel and arc-like sheet when installing L shape strut by using above-mentioned technical proposal,
Nut is screwed on screw, to realize the purpose that the I-steel on L shape strut and arch links together.
Further setting: reinforcing rod is additionally provided in the supporting beam, one end of the reinforcing rod detachably connects with supporting beam
It connects, the other end is detachably connected with I-steel.
By using above-mentioned technical proposal, the setting of reinforcing rod improves the stability between supporting beam and I-steel, from
And the stability between supporting beam and arch is improved, keep arch more stable.
Further setting: being equipped with dovetails on I-steel and supporting beam, the both ends of the reinforcing rod are equipped with dovetail groove,
The dovetails are slidably matched with dovetail groove.
Dovetail groove is covered in dovetails when installing reinforcing rod by using above-mentioned technical proposal, pushes reinforcing rod,
It slides dovetail groove along dovetails, when dovetail groove and dovetails exact matching, realizes the purpose of installation reinforcing rod.
Further setting: the sliding bar is equipped with rubber sleeve.
By using above-mentioned technical proposal, the setting of rubber sleeve increases the frictional force between operator and sliding bar,
Convenient for pushing sliding bar, simultaneously as rubber sleeve has elasticity, it can also play a protective role to the hand of operator, avoid grasping
Make personnel and directly generates rigid shock with sliding bar when pushing sliding bar.
Further setting: the rubber sleeve is equipped with the groove with finger match.
By using above-mentioned technical proposal, when pushing sliding bar, finger is placed on rubber sleeve in corresponding groove,
Convenient for the limit of opponent's fingering row, the finger in pushing course is avoided to fall off from rubber sleeve.
Further setting: I-steel is fixed on by steel plate, screw bolt and nut in the channel steel end.
By using above-mentioned technical proposal, steel plate is connect with I-steel, then passes through screw bolt and nut for the end of channel steel
It links together with steel plate, to realize the purpose that channel steel end and I-steel link together.
In conclusion the utility model has the following beneficial effects:
1, supporting beam and I-steel connect, and supporting beam can be supported arch, improve the stability of arch,
A possibility that reducing arch deformation occurs, security risk is reduced；
2, connection at the top of the both ends difference arch of L shape strut, enables L shape strut arch to prop up arch top
A possibility that support, further improves the stability of arch, further reduces arch deformation occurs, reduces security risk；
3, the setting of reinforcing rod improves the stability between supporting beam and I-steel, to improve supporting beam and arch
Between stability, keep arch more stable.
Detailed description of the invention
Fig. 1 is in the present embodiment for embodying the structural schematic diagram of the utility model；
Fig. 2 is in the present embodiment for embodying the structural schematic diagram of connection relationship between adjacent I-steel；
Fig. 3 is in the present embodiment for embodying supporting beam and sliding the structural schematic diagram of positional relationship between mouth；
Fig. 4 is in Fig. 1 for embodying the portion the A schematic enlarged-scale view of connection relationship between supporting beam and I-steel；
Fig. 5 is in the present embodiment for embodying the structural schematic diagram of positional relationship between L shape strut and arch；
Fig. 6 is in Fig. 5 for embodying the portion the B schematic enlarged-scale view of positional relationship between L shape strut and arc-like sheet.
In figure, 1, supporting beam；2, reinforcing rod；3, arch；4, channel steel；5, steel plate；6, reserving hole；7, lock foot anchoring stock；8,
Telescopic hole；9, elastic component；10, support rod；11, supported hole；12, mouth is slided；13, sliding bar；14, rubber sleeve；15, groove；16,
L shape strut；17, arc-like sheet；18, dovetails；19, dovetail groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: a kind of supporting construction for preventing tunnel subsidence deformation, as shown in Figure 1, including supporting beam 1,2 and of reinforcing rod
The arch 3 formed is spliced by more piece arc I-steel circumferential direction.
As depicted in figs. 1 and 2, several Pin are arranged in parallel along tunnel direction in arch 3；The joint of two adjacent section I-steel
It is provided perpendicular to the channel steel 4 of I-steel, 4 both ends of channel steel are fixed on along two adjacent Pin arches 3 of tunnel direction；4 end of channel steel
I-steel is fixed on by steel plate 5, screw bolt and nut in portion, and I-steel is equipped with steel plate 5, is all provided on the end of channel steel 4 and steel plate 5
There is through-hole, bolt-through through-hole is simultaneously bolted in nut.
As depicted in figs. 1 and 2, reserving hole 6 is provided on the channel steel 4 of 3 two sides of arch, at reserving hole 6 into country rock
Set the lock foot anchoring stock 7 of round tube form.
As shown in figures 1 and 3, the both ends of supporting beam 1 are respectively equipped with telescopic hole 8, and elastic component 9, elasticity are equipped in telescopic hole 8
The bottom of one end connection telescopic hole 8 of part 9, the other end are connected with support rod 10, and as shown in Figure 3 and Figure 4, I-steel is equipped with branch
Support hole 11, elastic component 9 in the raw when, support rod 10 connect elastic component 9 one end be in telescopic hole 8, support rod 10
Be in supported hole 11 away from one end of elastic component 9, be additionally provided on the side wall at 1 both ends of supporting beam sliding mouth 12, sliding mouth 12 with
Telescopic hole 8 is connected to, and support rod 10 is equipped with sliding bar 13, and sliding bar 13, through sliding mouth 12, sliding bar 13 is equipped with and is used for
Anti-skidding rubber sleeve 14, rubber sleeve 14 are equipped with the groove 15 with finger match, hold sliding bar 13 convenient for operator, this
In embodiment, elastic component 9 is set as spring, and sliding bar 13 and support rod 10 weld.
As shown in Figure 5 and Figure 6, L shape strut 16 is additionally provided in supporting beam 1, the bending place of L shape strut 16 connects support
Beam 1, the both ends of L shape strut 16 are removably connected to the I-steel at 3 top of arch respectively, and the both ends of L shape strut 16 connect
It is connected to arc-like sheet 17, is connected between arc-like sheet 17 and I-steel by screw bolt and nut, bolt sequentially passes through I-steel and arc
Piece 17 is simultaneously bolted in nut, in the present embodiment, welds between L shape strut 16 and supporting beam 1.
As shown in figure 4, one end of reinforcing rod 2 is detachably connected with supporting beam 1, the other end is detachably connected with I-steel,
Dovetails 18 are equipped on I-steel and supporting beam 1, the both ends of reinforcing rod 2 are equipped with dovetail groove 19, dovetails 18 and dovetail groove
19 are slidably matched, to realize the dismounting of reinforcing rod 2.
Implementation process: the joint of the two section I-steel up and down on arch 3, one section channel steel 4 of centre installation, bolt is successively
Steel plate 5, channel steel 4 on a section I-steel above and the steel plate 5 on following section I-steel, are then bolted in nut, from
And realize the purpose for connecting channel steel 4 and I-steel, by the reserving hole 6 on channel steel 4, using air drill or drilling machine
It is punched to country rock, the lock foot anchoring stock 7 of round tube form is installed, by slip casting machine to the lock foot of tubular, slip casting in anchor pole, so far,
The longitudinally mounted completion of channel steel 4, is recycled with this, is completed the installation of arch 3 and channel steel 4, is connected adjacent arch 3 by channel steel 4
Get up.
Support rod 10 is compressed, so that the elastic component 9 of connection support bar 10 is become compressive state from nature, makes support rod 10
In telescopic chute, supporting beam 1 is moved at the supported hole 11 on I-steel, releases to support rod 10 by mobile supporting beam 1
Force, elastic component 9 become nature from compressive state, and support rod 10 stretches out simultaneously out of telescopic hole 8 away from one end of elastic component 9
Extend into supported hole 11, to realize the purpose for connecting supporting beam 1 and I-steel, supporting beam 1 can to arch 3 into
A possibility that row support, improves the stability of arch 3, reduces arch 3 deformation occurs, reduces security risk.
After supporting beam 1 is installed, screw is sequentially passed through into the arc-like sheet on I-steel and L shape strut 16 on arch 3
17, it is screwed on bolt by nut, to realize the purpose that will be connected at the top of L shape strut 16 and arch 3, L shape
16 arch 3 of strut can further improve the stability of arch 3 to being supported at the top of arch 3.
After L shape strut 16 is installed, the dovetail groove 19 on reinforcing rod 2 is directed at dovetails 18, pushes reinforcing rod 2,
Dovetail groove 19 is slided along dovetails 18, when dovetail groove 19 and the exact matching of dovetails 18, realizes the mesh of installation reinforcing rod 2
, the stability between supporting beam 1 and arch 3 is improved, to improve the stability of arch 3.
When dismantling supporting beam 1, reinforcing rod 2 is pulled, reinforcing rod 2 is disassembled, then will connection I-steel and arc-like sheet
17 Bolt dismantling gets off, and releases the limit to L shape strut 16, and operator pulls sliding bar 13, and sliding bar 13 drives branch
Strut 10 is mobile, and facing away from support rod 10,11 direction of supported hole is mobile, and elastic component 9 becomes compressive state from nature,
Support rod 10 is in telescopic chute, to realize the purpose for disassembling supporting beam 1.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of supporting construction for preventing tunnel subsidence deformation, including splicing the arch formed by more piece arc I-steel circumferential direction
(3), several Pin are arranged in parallel along tunnel direction in arch (3)；The joint of two adjacent section I-steel is provided perpendicular to I-shaped
The channel steel (4) of steel, channel steel (4) both ends are fixed on along two adjacent Pin arches (3) of tunnel direction；The channel steel of arch (3) two sides
(4) it is provided on reserving hole (6), sets the lock foot anchoring stock (7) of round tube form at reserving hole (6) into country rock, it is special
Sign is: further including supporting beam (1), the both ends of the supporting beam (1) are respectively equipped with telescopic hole (8), are set in the telescopic hole (8)
Flexible part (9), the bottom of one end connection telescopic hole (8) of elastic component (9), the other end are connected with support rod (10), I-steel
It is equipped with supported hole (11), in the raw, support rod (10) is in support away from the one end of elastic component (9) to elastic component (9)
In hole (11), sliding mouth (12) is additionally provided on the side wall at supporting beam (1) both ends, the sliding mouth (12) is connected to telescopic hole (8),
The support rod (10) is equipped with sliding bar (13), and the sliding bar (13) is through sliding mouth (12).
2. a kind of supporting construction for preventing tunnel subsidence deformation according to claim 1, it is characterised in that: the supporting beam
(1) it is additionally provided on L shape strut (16), the bending place of the L shape strut (16) connects supporting beam (1), L shape strut (16)
Both ends be removably connected to the I-steel at the top of arch (3) respectively.
3. a kind of supporting construction for preventing tunnel subsidence deformation according to claim 2, it is characterised in that: the L shape
The both ends of strut (16) are respectively connected with arc-like sheet (17), are connect between arc-like sheet (17) and I-steel by screw bolt and nut.
4. a kind of supporting construction for preventing tunnel subsidence deformation according to claim 1, it is characterised in that: the supporting beam
(1) it is additionally provided on reinforcing rod (2), one end and the supporting beam (1) of the reinforcing rod (2) are detachably connected, the other end and I-steel
It is detachably connected.
5. a kind of supporting construction for preventing tunnel subsidence deformation according to claim 4, it is characterised in that: I-steel and branch
It is equipped with dovetails (18) in support beam (1), the both ends of the reinforcing rod (2) are equipped with dovetail groove (19), the dovetails (18)
It is slidably matched with dovetail groove (19).
6. a kind of supporting construction for preventing tunnel subsidence deformation according to claim 1, it is characterised in that: the sliding bar
(13) rubber sleeve (14) are equipped with.
7. a kind of supporting construction for preventing tunnel subsidence deformation according to claim 6, it is characterised in that: the rubber sleeve
(14) it is equipped with the groove (15) with finger match.
8. a kind of supporting construction for preventing tunnel subsidence deformation according to claim 1, it is characterised in that: the channel steel
(4) I-steel is fixed on by steel plate (5), screw bolt and nut in end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850335.2U CN209261600U (en) | 2018-11-10 | 2018-11-10 | A kind of supporting construction for preventing tunnel subsidence deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821850335.2U CN209261600U (en) | 2018-11-10 | 2018-11-10 | A kind of supporting construction for preventing tunnel subsidence deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209261600U true CN209261600U (en) | 2019-08-16 |
Family
ID=67554583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821850335.2U Expired - Fee Related CN209261600U (en) | 2018-11-10 | 2018-11-10 | A kind of supporting construction for preventing tunnel subsidence deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209261600U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058873A (en) * | 2020-01-15 | 2020-04-24 | 中国石油大学(华东) | Primary support part supporting device and method for weak surrounding rock large-section tunnel |
| CN113585039A (en) * | 2021-09-22 | 2021-11-02 | 重庆交通大学 | Tortoise shell bionic arch structure and manufacturing method thereof |
| CN114893230A (en) * | 2022-05-24 | 2022-08-12 | 闽晟集团城建发展有限公司 | Reinforcing structure for stripped rock burst falling tunnel section of tunnel and construction method |
-
2018
- 2018-11-10 CN CN201821850335.2U patent/CN209261600U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058873A (en) * | 2020-01-15 | 2020-04-24 | 中国石油大学(华东) | Primary support part supporting device and method for weak surrounding rock large-section tunnel |
| CN111058873B (en) * | 2020-01-15 | 2021-07-13 | 中国石油大学(华东) | Primary support part supporting device and method for weak surrounding rock large-section tunnel |
| CN113585039A (en) * | 2021-09-22 | 2021-11-02 | 重庆交通大学 | Tortoise shell bionic arch structure and manufacturing method thereof |
| CN114893230A (en) * | 2022-05-24 | 2022-08-12 | 闽晟集团城建发展有限公司 | Reinforcing structure for stripped rock burst falling tunnel section of tunnel and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 Termination date: 20191110 |