CN110242311A - Shield jointed underground structure and construction method - Google Patents
Shield jointed underground structure and construction method Download PDFInfo
- Publication number
- CN110242311A CN110242311A CN201910623576.6A CN201910623576A CN110242311A CN 110242311 A CN110242311 A CN 110242311A CN 201910623576 A CN201910623576 A CN 201910623576A CN 110242311 A CN110242311 A CN 110242311A
- Authority
- CN
- China
- Prior art keywords
- shield
- ring
- cutterhead
- insertion ring
- jointed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 238000003780 insertion Methods 0.000 claims abstract description 61
- 230000037431 insertion Effects 0.000 claims abstract description 61
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 210000001503 joint Anatomy 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 238000003032 molecular docking Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0607—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining the shield being provided with devices for lining the tunnel, e.g. shuttering
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/08—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield
- E21D9/0874—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining with additional boring or cutting means other than the conventional cutting edge of the shield with rotary drilling heads having variable diameter
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a kind of shield jointed underground structures, the shield shell inner surface of one shield machine (1) is provided with insertion ring casing (5), insertion ring casing (5) front end is provided with first seal (6), it is provided with insertion ring (7) in the insertion ring casing (5), the end of the insertion ring (7) is connected with jack (8)；The shield shell inner surface of another shield machine (1) is provided with reception ring casing (9) corresponding with insertion ring casing (5), is provided with second seal (10) in the reception ring casing (9).The invention also discloses a kind of construction methods of shield jointed underground structure.The present invention no setting is required active well, do not influenced grounding point, and is carried out under the protection of steel insertion ring by ground, geology and underground utilities, can safely and reliably carry out construction operation, can be greatlyd save construction cost and be shortened the construction period.
Description
Technical field
The present invention relates to a kind of shield structure and construction method more particularly to a kind of shield jointed underground structure and construction parties
Method belongs to Shield Construction Technique field.
Background technique
Shield tunnel is often laid along road in city, however urban road traffic above-ground situation is complicated, and underground utilities are close
Collection.At present the oriented long range of shield tunnel, big depth direction develop.Meeting is tunneled from unilateral side when single shield tunnel is too long
The problem that drivage efficiency is low, long in time limit is faced, therefore active well need to be set in the middle part of shield route, but wants to arrange on road
Active well for shield-tunneling construction can face changing for underground pipelines in large quantities and move and traffic dispersion work.The present invention provides one kind thus
Shield machine is originated from both ends, in the structure and construction method that centre is directly docked without active well.
Summary of the invention
The technical problem to be solved by the present invention is to the present invention provides a kind of shield jointed underground structure, which is not necessarily to
Be arranged active well, grounding point is not influenced by ground, geology and underground utilities, and be under the protection of steel insertion ring into
Row, can safely and reliably carry out construction operation.
Meanwhile the present invention provides a kind of construction method of shield jointed underground structure, which can greatly save and apply
Work cost and shorten the construction period, the environment on periphery is influenced it is small, since whole process uses underground job, traffic and structures to ground
Do not influence.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
Shield jointed underground structure, including two shield machines tunneled in opposite directions at same driving route both ends, two shield machines
Opposite face be provided with expandable cutterhead, the back of the two expandable cutterheads is connected with driving part；
The shield shell inner surface of one shield machine is provided with insertion ring casing, and the insertion ring casing front end is provided with the first sealing
Part is provided with insertion ring in the insertion ring room, and the end of the insertion ring is connected with jack；
The shield shell inner surface of another shield machine is provided with reception ring casing corresponding with the insertion ring casing, the reception
Second seal is provided in ring casing.
The first seal includes twice lip seal circle, and the insertion ring passes through the sealing ring, the insertion ring
Guide ring is provided between the lower surface of the insertion ring casing.
The reception ring casing is an annular groove, is provided with the second seal, the second seal in the annular groove
For the gasket of annular porous.
The expandable cutterhead includes cutterhead outer ring, and the diameter of the cutterhead outer ring is identical as the diameter of the shield shell
And the cutterhead outer ring is arranged concentrically with the shield shell；Several scalable spokes are provided in the cutterhead outer ring, it is described to stretch
Contracting spoke includes hollow spoke shell radially, is provided in each spoke cavity of the spoke shell flexible
Spoke bar, the free end of the flexible spoke bar by connector be connected in the cutterhead outer ring inner surface or with the cutterhead outer ring
Mutually separate.
The grafting for being connected with the cutterhead outer ring is provided on the connector and the contact surface of the cutterhead outer ring
Part.Plug connector includes the jack for being set to the protrusion of the cutterhead inner surface and being arranged on the connector, described convex
It rises and is adapted with the jack.
The front end of the insertion ring is angle.
The insertion ring is steel.
The jack is hydraulic jack.
The construction method of shield jointed underground structure, comprising the following steps:
S01 stops driving when two shield machines to go in the same direction reach specified docking location；
S02, the expandable cutterhead are reduced to extreme position, separate the connector mutually with the cutterhead outer ring；
S03 opens the jack, the insertion ring is inserted into the reception ring casing of another shield machine, formation pair
Connect ring；
S04 removes the dregs in the butt joint ring and the shield machine；
S05 is welded with steel plate along the insertion ring for one week at the butt joint ring, and two shield machines are done whole connect
It closes；
S06 removes all components of two shield machines in addition to shield shell；
S07 pours two lining concrete in the shield shell inner surface, two sections of tunnels is linked to be an entirety.
In S06, method for dismounting includes cutting off.
The invention has the following advantages:
1, grounding point is not influenced by ground, geology and underground utilities, is free to select.
2, this construction method is carried out under the protection of the insertion ring of steel, can safely and reliably carry out construction operation.
3, the present invention influences the environment on periphery small, since whole process uses underground job, traffic and structures to ground
Do not influence.
4, the butt-joint operation that the present invention uses is without carrying out geology improvement work, and is not required to apply active well, can save significantly
About construction cost and shorten the construction period.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is structural schematic diagram when expandable cutterhead extends radially out in the present invention；
Structural schematic diagram when Fig. 3 is expandable cutterhead radial contraction in the present invention；
Fig. 4 is the structural schematic diagram that ring casing is inserted into the present invention；
Fig. 5 is the structural schematic diagram that ring casing is received in the present invention；
Structural schematic diagram when Fig. 6 is two shield machine docking in the present invention；
Fig. 7 is structural schematic diagram when two shield machines dock to form a tunnel entirety in the present invention.
Specific embodiment
In order to be more clear the objectives, technical solutions, and advantages of the present invention, with reference to the accompanying drawings and embodiments to this hair
It is bright to be further elaborated.Described herein specific examples are only used to explain the present invention, is not used to limit this hair
It is bright.
As shown in Figure 1, being included in same driving route both ends phase present embodiment discloses a kind of shield jointed underground structure
To two shield machines 1 of driving, the opposite face of two shield machines 1 is provided with expandable cutterhead 2, can be radial described in two
The back (back is located inside shield machine 1) of flexible cutterhead 2 is connected with driving part 3, and driving part 3 can be hydraulic horse
It reaches.
The shield shell inner surface of one shield machine 1 is provided with insertion ring casing 5, and 5 front end of insertion ring casing is provided with the
One sealing element 6 is provided with insertion ring 7 in the insertion ring casing 5, and the end of the insertion ring 7 is connected with jack 8；
The shield shell inner surface of another shield machine 1 is provided with reception ring casing 9 corresponding with the insertion ring casing 5, described
It receives in ring casing 9 and is provided with second seal 10.
Two shield machines 1 of the present embodiment tunnel two sides in opposite directions on same driving route, on the shield shell of two shield machines 1
It is provided with shield driving jack 20, when reaching specified docking location, by the expandable cutterhead of two shield machines 1
Then the built-in insertion ring 7 of one shield machine 1 is inserted into the reception ring casing 9 of another shield machine 1, makes two by 2 reduced diameters
Platform shield machine 1 is mechanical to be combined as a whole.It is poured after the dregs of artificial removing docking chamber interior and the components inside shield machine 1 again
Two lining concrete 19 are built, tunnel is made to form an entirety.
In the present embodiment, the specific structure of expandable cutterhead 2 is as shown in Fig. 2 ~ Fig. 3, the expandable cutterhead 2
Including cutterhead outer ring 12, the diameter of the cutterhead outer ring 12 cutterhead outer ring 12 identical and described with the diameter of the shield shell with it is described
Shield shell is arranged concentrically；Several scalable spokes 13 are provided in the cutterhead outer ring 12, the scalable spoke 13 includes in spoke
The hollow spoke shell 14 of shape is penetrated, is provided with flexible spoke bar 16 in each spoke cavity 15 of the spoke shell 14,
The free end of the flexible spoke bar 16 by connector 17 be connected in the cutterhead outer ring 12 inner surface or with outside the cutterhead
Enclose the separation of 12 phases.
It is provided on the connector 17 and the contact surface of the cutterhead outer ring 12 for being connected with the cutterhead outer ring 12
Plug connector.
Plug connector includes being set to the protrusion of 12 inner surface of cutterhead outer ring and being arranged in slotting on the connector 17
Hole, the protrusion are adapted with the jack.Since expandable cutterhead 2 is radial expansion, therefore plug connector will not influence it
Radial expansion, and can guarantee expandable cutterhead 2 when extending radially out, the bonding strength of connector 17 and cutterhead outer ring 12,
To guarantee the normal use of expandable cutterhead 2.
What two shield machines 1 of the present embodiment were all made of is scalable spoke wheel, is reached in two shield machines 1 specified
Docking location when, the spoke (i.e. flexible spoke bar 16) of shield machine 1 is shunk, and cutterhead outer ring 12 abandons, and vacates sky for insertion ring 7
Between.
As shown in figure 4, the first seal 6 includes twice lip seal circle, the insertion ring 7 passes through the sealing
Circle is provided with guide ring 11 between the insertion ring 7 and the lower surface of the insertion ring casing 5.The insertion ring 7 is steel.
The present embodiment insertion ring casing 5 specific structure are as follows: insertion 5 front end Internal and external cycle of ring casing using twice lip seal come
1 leak of shield machine is prevented, and one guide ring 11 is installed for supporting insertion ring 7, insertion ring 7 in the inner ring of insertion ring casing 5
Rear end insertion ring 7 is ejected using hydraulic jack, the front end of insertion ring 7 is made into angle shape to reduce jacking resistance.
As shown in figure 5, the reception ring casing 9 is an annular groove, the second seal 10, institute are provided in the annular groove
State the gasket that second seal 10 is annular porous.
The specific structure of the reception ring casing 9 of the present embodiment are as follows: receiving ring casing 9 is by the gasket installation of an annular porous
On the annular groove of another 1 front end of shield machine, when on the top to the gasket of annular porous of insertion ring 7, sealing and anti-leakage is played
Effect, the gasket are porous design, it is therefore an objective to increase the shrinkage of gasket, can play better seal effect.
As shown in Fig. 6 ~ Fig. 7, present embodiment discloses a kind of construction methods of shield jointed underground structure, including following step
It is rapid:
S01 stops driving when two shield machines 1 to go in the same direction reach specified docking location；
The expandable cutterhead 2 is contracted to extreme position by S02, and extreme position is that flexible spoke bar 16 is fully retracted spoke
Position when cavity 15；It separates the connector 17 with 12 phase of cutterhead outer ring, is 7 vacating space of insertion ring；
S03 opens the jack 8, the insertion ring 7 is inserted into the reception ring casing 9 of another shield machine 1, shape
At butt joint ring, extraneous Water And Earth Pressures are resisted with the insertion ring 7 of steel；
S04, the artificial dregs removed in butt joint ring and shield machine 1；
S05 is welded with steel plate along the insertion ring for 7 one weeks at the butt joint ring, and two shield machines 1 are done entirety
Engagement, further increases the ability that insertion ring 7 resists extraneous Water And Earth Pressures；
S06 removes all components of (cutting off) the two described shield machines 1 in addition to shield shell；
S07 pours two lining concrete 19 in the shield shell inner surface, two sections of tunnels is linked to be an entirety.
The shield jointed underground structure and construction method of the present embodiment, have the advantage that
1, grounding point is not influenced by ground, geology and underground utilities, is free to select.
2, this construction method is carried out under the protection of the insertion ring of steel, can safely and reliably carry out construction operation.
3, the present embodiment influences the environment on periphery small, since whole process uses underground job, traffic to ground and constructs
Object does not influence.
4, the butt-joint operation of the present embodiment is without carrying out geology improvement work, and is not required to apply active well, can greatly save
It construction cost and shortens the construction period.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. shield jointed underground structure, it is characterised in that: including two shield machines tunneled in opposite directions at same driving route both ends
(1), the opposite face of two shield machines (1) is provided with expandable cutterhead (2)；
The shield shell inner surface of one shield machine (1) is provided with insertion ring casing (5), and insertion ring casing (5) front end is provided with
First seal (6), the insertion ring casing (5) is interior to be provided with insertion ring (7), the end and jack (8) of the insertion ring (7)
It is connected；
The shield shell inner surface of another shield machine (1) is provided with reception ring casing corresponding with insertion ring casing (5)
(9), second seal (10) are provided in the reception ring casing (9).
2. shield jointed underground structure according to claim 1, it is characterised in that: the first seal (6) includes two
Road lip seal circle, the insertion ring (7) pass through the sealing ring, the following table of the insertion ring (7) and insertion ring casing (5)
Guide ring (11) are provided between face.
3. shield jointed underground structure according to claim 1, it is characterised in that: the reception ring casing (9) is a ring
Slot is provided with the second seal (10) in the annular groove, and the second seal (10) is the gasket of annular porous.
4. shield jointed underground structure according to claim 1, it is characterised in that: expandable cutterhead (2) packet
Include cutterhead outer ring (12), the diameter of the cutterhead outer ring (12) the cutterhead outer ring (12) identical and described with the diameter of the shield shell with
The shield shell is arranged concentrically；Several scalable spokes (13), the scalable spoke are provided in the cutterhead outer ring (12)
It (13) include hollow spoke shell (14) radially, in each spoke cavity (15) of the spoke shell (14)
It is provided with flexible spoke bar (16), the free end of the flexible spoke bar (16) is connected in the cutterhead outer ring (12) by connector (17)
Inner surface or mutually separated with the cutterhead outer ring (12).
5. shield jointed underground structure according to claim 4, it is characterised in that: the connector (17) and the cutterhead
The plug connector for being connected with the cutterhead outer ring (12) is provided on the contact surface of outer ring (12).
6. shield jointed underground structure according to claim 1 or 2, it is characterised in that: the front end of the insertion ring (7) is
Angle.
7. shield jointed underground structure according to claim 1 or 2, it is characterised in that: the insertion ring (7) is steel.
8. shield jointed underground structure according to claim 1, it is characterised in that: the jack (8) is hydraulic jack
Top.
9. the construction method of described in any item shield jointed underground structures according to claim 1 ~ 8, it is characterised in that: including with
Lower step:
S01 stops driving when two shield machines (1) to go in the same direction reach specified docking location；
S02, the expandable cutterhead (2) are contracted to extreme position, make the connector (17) and the cutterhead outer ring
(12) it mutually separates；
S03 opens the jack (8), and the insertion ring (7) is inserted into the reception ring casing of another shield machine (1)
(9) in, butt joint ring is formed；
S04 removes the dregs in the butt joint ring and the shield machine (1)；
S05 is welded with steel plate along the insertion ring at the butt joint ring, two shield machines (1) is done for (7) one weeks
Whole engagement；
S06 removes all components of two shield machines (1) in addition to shield shell；
S07 pours two lining concrete (19) in the shield shell inner surface, two sections of tunnels is linked to be an entirety.
10. the construction method of shield jointed underground structure according to claim 9, it is characterised in that: in S06, dismounting side
Method includes cutting off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623576.6A CN110242311A (en) | 2019-07-11 | 2019-07-11 | Shield jointed underground structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623576.6A CN110242311A (en) | 2019-07-11 | 2019-07-11 | Shield jointed underground structure and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110242311A true CN110242311A (en) | 2019-09-17 |
Family
ID=67891843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910623576.6A Pending CN110242311A (en) | 2019-07-11 | 2019-07-11 | Shield jointed underground structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110242311A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324447A (en) * | 2020-12-05 | 2021-02-05 | 中铁工程装备集团有限公司 | Shield equipment capable of realizing underground butt joint and butt joint method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258095A (en) * | 1986-05-01 | 1987-11-10 | 清水建設株式会社 | Method of underground joining construction of shield-tunnel |
| US5221160A (en) * | 1990-04-26 | 1993-06-22 | Shimizuo Construction Co. | Subterranean connecting method for construction of shield tunnel and connecting apparatus therefor |
| CN102071953A (en) * | 2010-12-15 | 2011-05-25 | 广东华隧建设股份有限公司 | Method for casting surrounding concrete of lined steel pipe of shield tunnel |
| CN210134935U (en) * | 2019-07-11 | 2020-03-10 | 江苏格睿特管网工程有限公司 | Shield underground butt joint structure |
-
2019
- 2019-07-11 CN CN201910623576.6A patent/CN110242311A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62258095A (en) * | 1986-05-01 | 1987-11-10 | 清水建設株式会社 | Method of underground joining construction of shield-tunnel |
| US5221160A (en) * | 1990-04-26 | 1993-06-22 | Shimizuo Construction Co. | Subterranean connecting method for construction of shield tunnel and connecting apparatus therefor |
| CN102071953A (en) * | 2010-12-15 | 2011-05-25 | 广东华隧建设股份有限公司 | Method for casting surrounding concrete of lined steel pipe of shield tunnel |
| CN210134935U (en) * | 2019-07-11 | 2020-03-10 | 江苏格睿特管网工程有限公司 | Shield underground butt joint structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324447A (en) * | 2020-12-05 | 2021-02-05 | 中铁工程装备集团有限公司 | Shield equipment capable of realizing underground butt joint and butt joint method |
| CN112324447B (en) * | 2020-12-05 | 2022-04-29 | 中铁工程装备集团有限公司 | Shield equipment capable of realizing underground butt joint and butt joint method |
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