CN201351498Y - Full circular steel segment structure with closed protective door - Google Patents
Full circular steel segment structure with closed protective door Download PDFInfo
- Publication number
- CN201351498Y CN201351498Y CNU2008202064493U CN200820206449U CN201351498Y CN 201351498 Y CN201351498 Y CN 201351498Y CN U2008202064493 U CNU2008202064493 U CN U2008202064493U CN 200820206449 U CN200820206449 U CN 200820206449U CN 201351498 Y CN201351498 Y CN 201351498Y
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- tunnel segment
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Abstract
The utility model discloses a full circular steel segment structure with a closed protective door, which is provided with a full circular steel segment frame. The structure is characterized in that the full circular steel segment frame is assembled by a main body frame and a detachable frame; the full circular steel segment frame is also provided with a protective door; the protective door is positioned in the full circular steel segment frame and is fixedly installed on the main body frame; the installation position is corresponding to the position of the detachable frame; and the area enclosed by the protective door and the detachable frame forms a closed cavity. The full circular steel segment structure can effectively prevent earth and water from entering the shield tunnel when construction accidents of collapse, water gushing and the like happen during the excavation process of communication channel, and greatly improves the security of construction.
Description
Technical field
The utility model relates to a kind of full-ring steel tunnel segment structure, specifically is meant a kind of full-ring steel tunnel segment structure with seal protection door.
Background technology
Mostly the interval service channel penetrating ground of domestic city metro shield is layer of sand, soft stratum or karst strata at present, and the main construction sequence of shield tunnel service channel is as follows:
(1) earlier service channel place surface line is moved change, traffic discongests, after carry out ground rotary churning pile, agitation pile or slip casting stratum consolidation.
(2) UNICOM's way place shield structure running tunnel assembly unit steel concrete is strengthened the section of jurisdiction.
(3) in the upright interim support of shield structure running tunnel internal frame, stay pipe chip architecture.
(4) above duct pieces of shield tunnel punches, the rig punching adopts leading ductule that grouting and reinforcing is carried out on stratum, service channel top.
(5) on the running tunnel concrete pipe sheet, punch, service channel is carried out detecting water by pilot hole.
(6) cutting concrete pipe sheet and outward transport.
(7) excavation service channel, preliminary bracing.
In above-mentioned stratum, adopt the reinforced concrete segment structure, but there is not airtight safety protection structure in the reinforced concrete segment structure, the service channel that causes constructing has a big risk, when caving in, during construction accident such as water burst, can't preventing that earth, water burst from entering shield tunnel.At present domesticly taken place repeatedly to cave in, the gushing water accident.
The utility model content
The purpose of this utility model provides a kind of full-ring steel tunnel segment structure with seal protection door, and this structure is in the service channel digging process, when caving in, during construction accident such as water burst, can preventing effectively that earth, water burst from entering shield tunnel.
The purpose of this utility model is achieved by the following technical solution: a kind of full-ring steel tunnel segment structure with seal protection door, it has the full-ring steel tunnel segment framework, it is characterized in that: described full-ring steel tunnel segment framework is assembled by main body frame and detachable framework, described full-ring steel tunnel segment structure also has protective door, this protective door is positioned at the full-ring steel tunnel segment framework, it is fixedly mounted on the described main body frame, installation site and described detachable framework are in the opposite position place, and described protective door and described detachable framework institute region form an airtight chamber.
The utlity model has the full-ring steel tunnel segment structure of seal protection door, seal protection door and the welding of full-ring steel tunnel segment framework, after closing, protective door has seal, impermeability, bad because of stratum consolidation in the service channel digging process, when caving in, during accident such as water burst, can closing seal protection door, prevent that earth, water burst from entering running tunnel, guarantee the running tunnel stability and security, seal protection door can be designed to difform steel plate structure based on the circular tunnel section.
In the utility model, described main body frame is the loop configuration of side perforate, and it is assembled by polylith steel tunnel segment piece, and adjacent steel tunnel segment piece connects by bolt, the size of described perforate and described detachable framework and protective door big or small suitable.
Described polylith steel tunnel segment piece is respectively the steel tunnel segment piece that binds that is positioned at the top, be positioned at the shoulder side in abutting connection with the steel tunnel segment piece, be positioned at left lumbar region a pair of support steel tunnel segment piece, be positioned at the standard steel section of jurisdiction piece of right lumbar region and be positioned at the standard steel section of jurisdiction piece of bottom, described a pair of support steel tunnel segment piece is an opening opposed U-shaped block structure, two openings constitute the perforate of main body frame, and described detachable framework is positioned at described perforate.
The scheme that breaks the whole up into parts that adopts is gone up in main body frame design in the utility model, and design is divided into polylith, is convenient to the production of steel tunnel segment piece, by the high-strength bolt assembly unit, constitutes the unitary body frame construction between the steel tunnel segment piece of polylith.
Described detachable framework is assembled by polylith dismounting piece, and polylith dismounting piece supports the steel tunnel segment piece with described U-shaped respectively and links to each other by bolt, and also links to each other by bolt between the dismounting piece adjacent one another are.
Polylith dismounting piece in the detachable framework can conveniently be dismantled, assembly unit, for the installation and maintenance of protective door is provided convenience.
Described steel tunnel segment piece is the multi-disc steel plate and is welded.
In the utility model, described protective door is made up of door body and doorframe, described doorframe by the upper and lower doorframe steel plate that is positioned at the Men Tiyi side and left and right doorframe steel plate totally four blocks of doorframe steel plates form, four block plates are welded on respectively on the main body frame of described full-ring steel tunnel segment framework, described door body is hinged on the right doorframe steel plate, after the door body was closed, it was connected by bolt with left-hand door frame steel plate.
The plate body structure of described Men Tiwei hollow, it comprise interior paranotum, outer paranotum and be arranged in many channel-section steel crosspieces between paranotum and the outer paranotum, described many channel-section steel crosspieces are separated into a plurality of airtight hollow unit with the space between interior paranotum and the outer paranotum, the external part of at least one channel-section steel crosspiece in the described many channel-section steel crosspieces is provided with door hinge, and this door hinge is hinged on the described right doorframe steel plate.
Described four blocks of doorframe steel plates and described door body between also be provided with sealing mat, play sealing effectiveness.
It is layer of sand, soft stratum or karst strata service channel that the full-ring steel tunnel segment structure that the utlity model has seal protection door is used for the interval penetrating ground of city underground shield structure, be used for the river, cross and to pass through soft stratum, service channel that water permeability is strong between the extra large two-wire shield tunnel, compared with prior art, it has the following advantages:
(1) the utlity model has the full-ring steel tunnel segment structure of seal protection door, when cave in, during construction accident such as water burst, can close seal protection door rapidly, can prevent effectively that earth, water burst from entering shield tunnel, effectively guarantee the stability and security of running tunnel.
(2) the steel tunnel segment piece batch production in the utility model full-ring steel tunnel segment structure is made on-site consolidation conveniently, efficiently, fast.
When (3) the dismounting piece is removed in the utility model full-ring steel tunnel segment structure, can not destroy overall structure, not change the stress system of structure.
(4) the utility model full-ring steel tunnel segment structure is by the geological conditions of steel tunnel segment preformed hole detection channels, conveniently, simply.
(5) full-ring steel tunnel segment in the utility model full-ring steel tunnel segment structure does not need fluid concrete ring frame beam, reduces investment, the reduction of erection time.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
Fig. 1 is the overall structure schematic diagram that the utlity model has the full-ring steel tunnel segment structure of seal protection door;
Fig. 2 is the overall structure schematic diagram that the utlity model has full-ring steel tunnel segment framework in the full-ring steel tunnel segment structure of seal protection door;
Fig. 3 is the left view that the utlity model has the full-ring steel tunnel segment structure of seal protection door;
Fig. 4 is the view behind the removal dismounting piece among Fig. 3;
Fig. 5 is the right view that the utlity model has the full-ring steel tunnel segment structure of seal protection door;
Fig. 6 is the structural representation that the utlity model has the steel tunnel segment piece that binds in the full-ring steel tunnel segment structure of seal protection door;
Fig. 7 is the A-A sectional drawing of Fig. 6;
Fig. 8 is the B-B sectional drawing of Fig. 7;
Fig. 9 is the structural representation in abutting connection with the steel tunnel segment piece that the utlity model has the full-ring steel tunnel segment structure of seal protection door;
Figure 10 is the C-C sectional drawing of Fig. 9;
Figure 11 is the D-D sectional drawing of Figure 10;
Figure 12 is the structural representation of standard steel section of jurisdiction piece that the utlity model has the full-ring steel tunnel segment structure of seal protection door;
Figure 13 is the E-E sectional drawing of Figure 12;
Figure 14 is the F-F sectional drawing of Figure 13;
Figure 15 is the structural representation of support steel tunnel segment piece that the utlity model has the full-ring steel tunnel segment structure of seal protection door;
Figure 16 is the partial enlarged drawing that the utlity model has the full-ring steel tunnel segment structure of seal protection door, shows the installation site relation of protective door;
Figure 17 is the elevation of protective door that the utlity model has the full-ring steel tunnel segment structure of seal protection door;
Figure 18 is the H-H sectional drawing of Figure 16;
Figure 19 is the partial enlarged drawing that the utlity model has the full-ring steel tunnel segment structure of seal protection door, the position relation of the door body of demonstration protective door and the doorframe of a side;
Figure 20 is the partial enlarged drawing that the utlity model has the full-ring steel tunnel segment structure of seal protection door, the position relation of the door body of demonstration protective door and the doorframe of opposite side.
The specific embodiment
As Fig. 1 to a kind of full-ring steel tunnel segment structure shown in Figure 20 with seal protection door, it has full-ring steel tunnel segment framework 1, full-ring steel tunnel segment framework 1 is assembled by main body frame and detachable framework, full-ring steel tunnel segment structure also has protective door 3, this protective door 3 is positioned at full-ring steel tunnel segment framework 1, it is fixedly mounted on the main body frame, the installation site is in the opposite position place with detachable framework, protective door 3 and detachable framework institute region form an airtight chamber 2, after protective door 3 is closed, this airtight chamber 2 has seal and impermeability, can prevent earth, water burst enters shield tunnel.
The main body frame of full-ring steel tunnel segment framework 1 is the loop configuration of side perforate, it is assembled by polylith steel tunnel segment piece, polylith steel tunnel segment piece is respectively the steel tunnel segment piece 11 that binds that is positioned at the top, be positioned at the shoulder side in abutting connection with steel tunnel segment piece 12, be positioned at a pair of support steel tunnel segment piece 13 of left lumbar region, be positioned at the standard steel section of jurisdiction piece 14 and the standard steel section of jurisdiction piece 15 that is positioned at the bottom of right lumbar region, polylith steel tunnel segment piece is the arc block structure, all steel tunnel segment pieces are the multi-disc steel plate and are welded, connect by bolt between the adjacent steel tunnel segment piece, this a pair of support steel tunnel segment piece 13 is an opening opposed U-shaped block structure, two openings constitute the perforate 16 of main body frame, the size of perforate 16 is big or small suitable with detachable framework and protective door 3, and detachable framework is positioned at perforate 16.
The detachable framework of full-ring steel tunnel segment framework 1 is assembled by six dismounting pieces 17, and six dismounting pieces 17 are symmetry shape and distribute, and support steel tunnel segment piece 13 with U-shaped respectively and link to each other by bolt, and also continuous between the dismounting piece 17 adjacent one another are by bolt.
Claims (8)
1. full-ring steel tunnel segment structure with seal protection door, it has full-ring steel tunnel segment framework (1), it is characterized in that: described full-ring steel tunnel segment framework (1) is assembled by main body frame and detachable framework, described full-ring steel tunnel segment structure also has protective door (3), this protective door (3) is positioned at full-ring steel tunnel segment framework (1), it is fixedly mounted on the described main body frame, installation site and described detachable framework are in the opposite position place, and described protective door (3) and described detachable framework institute region form an airtight chamber (2).
2. a kind of full-ring steel tunnel segment structure according to claim 1 with seal protection door, it is characterized in that: described main body frame is the loop configuration of side perforate, it is assembled by polylith steel tunnel segment piece, adjacent steel tunnel segment piece connects by bolt, the size of described perforate and described detachable framework and protective door big or small suitable.
3. a kind of full-ring steel tunnel segment structure according to claim 2 with seal protection door, it is characterized in that: described polylith steel tunnel segment piece is respectively the steel tunnel segment piece (11) that binds that is positioned at the top, be positioned at the shoulder side in abutting connection with steel tunnel segment piece (12), be positioned at a pair of support steel tunnel segment piece (13) of left lumbar region, be positioned at the standard steel section of jurisdiction piece (14) of right lumbar region and be positioned at the bottom standard steel section of jurisdiction piece (15), described a pair of support steel tunnel segment piece (13) is an opening opposed U-shaped block structure, two openings constitute the perforate (16) of main body frame, and described detachable framework is positioned at described perforate (16).
4. a kind of full-ring steel tunnel segment structure according to claim 3 with seal protection door, it is characterized in that: it is assembled that described detachable framework is dismantled piece (17) by polylith, polylith dismounting piece (17) supports steel tunnel segment piece (13) with described U-shaped respectively and links to each other by bolt, and also links to each other by bolt between the dismounting piece (17) adjacent one another are.
5. a kind of full-ring steel tunnel segment structure with seal protection door according to claim 3 is characterized in that: described steel tunnel segment piece is the multi-disc steel plate and is welded.
6. a kind of full-ring steel tunnel segment structure according to claim 1 with seal protection door, it is characterized in that: described protective door (3) is made up of door body and doorframe, described doorframe by the upper and lower doorframe steel plate (31,32) that is positioned at the Men Tiyi side and left and right doorframe steel plate (33,34) totally four blocks of doorframe steel plates form, four block plates are welded on respectively on the main body frame of described full-ring steel tunnel segment framework (1), described door body is hinged on the right doorframe steel plate (34), after the door body was closed, it was connected by bolt (4) with left-hand door frame steel plate (33).
7. a kind of full-ring steel tunnel segment structure according to claim 6 with seal protection door, it is characterized in that: the plate body structure of described Men Tiwei hollow, it comprises interior paranotum (35), outer paranotum (36) and be arranged in many channel-section steel crosspieces (37) between paranotum and the outer paranotum, described many channel-section steel crosspieces (37) are separated into a plurality of airtight hollow unit (38) with the space between interior paranotum (35) and the outer paranotum (36), the external part of at least one channel-section steel crosspiece in the described many channel-section steel crosspieces is provided with door hinge (39), and this door hinge (39) is hinged on the described right doorframe steel plate (34).
8. a kind of full-ring steel tunnel segment structure with seal protection door according to claim 7 is characterized in that: described four blocks of doorframe steel plates and described door body between also be provided with sealing mat (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202064493U CN201351498Y (en) | 2008-12-30 | 2008-12-30 | Full circular steel segment structure with closed protective door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202064493U CN201351498Y (en) | 2008-12-30 | 2008-12-30 | Full circular steel segment structure with closed protective door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201351498Y true CN201351498Y (en) | 2009-11-25 |
Family
ID=41374885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202064493U Expired - Lifetime CN201351498Y (en) | 2008-12-30 | 2008-12-30 | Full circular steel segment structure with closed protective door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201351498Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457648B (en) * | 2008-12-30 | 2010-09-01 | 中铁隧道勘测设计院有限公司 | Full-ring steel tunnel segment structure with seal protection door |
| CN102444408A (en) * | 2011-11-18 | 2012-05-09 | 中铁十二局集团有限公司 | Secondary lining split mounting type blocking head device for metro underground excavation tunnel |
-
2008
- 2008-12-30 CN CNU2008202064493U patent/CN201351498Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101457648B (en) * | 2008-12-30 | 2010-09-01 | 中铁隧道勘测设计院有限公司 | Full-ring steel tunnel segment structure with seal protection door |
| CN102444408A (en) * | 2011-11-18 | 2012-05-09 | 中铁十二局集团有限公司 | Secondary lining split mounting type blocking head device for metro underground excavation tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091125 Effective date of abandoning: 20081230 |