CN204436457U - The prefabricated evacuation platform of a kind of shield structure running tunnel - Google Patents
The prefabricated evacuation platform of a kind of shield structure running tunnel Download PDFInfo
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- CN204436457U CN204436457U CN201520093006.8U CN201520093006U CN204436457U CN 204436457 U CN204436457 U CN 204436457U CN 201520093006 U CN201520093006 U CN 201520093006U CN 204436457 U CN204436457 U CN 204436457U
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- prefabricated
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- bottom girder
- evacuation platform
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Abstract
The utility model discloses the prefabricated evacuation platform of a kind of shield structure running tunnel, comprise the prefabricated evacuation platform support and prefabricated platform plate that connect with shield duct piece, prefabricated evacuation platform support comprises support cant beam and bottom girder, support on cant beam and be connected with crossbeam, crossbeam side connects reserved projection, support cant beam, bottom girder, crossbeam and reserved projection are prefabricated integral structure, support cant beam, crossbeam and bottom girder surround a space, cross beam support prefabricated platform plate, prefabricated platform grillage is located on the crossbeam of two prefabricated evacuation platform supports, the edge of prefabricated platform plate is provided with the breach matched with reserved projection, bottom girder is provided with preformed hole, bottom girder is fixedly connected with shield duct piece.Prefabricated evacuation platform connects reliable, reasonable stress with section of jurisdiction, and arc bottom girder can well transmit load, and improves the positioning precision of installing; Beam-end is reserved projection and is played fixation to landing slab, and decrease landing slab other mechanical connections with crossbeam, installation is convenient and quick.
Description
Technical field
The utility model relates to the prefabricated evacuation platform of a kind of shield structure running tunnel.
Background technology
Along with the continuous expansion of city size, it is thirsted for day by day to large conveying quantity, low stain, dynamical urban track traffic, and current China has the construction process that urban track traffic is just being actively pushed forward in more than 30 city.
Shield construction have speed of application fast, vibrate little, noise is low, safe and reliable, little to surrounding environment influence feature, become interval, urban track traffic underground and build one of maximum construction technology of application, but the circular shape tunnel sectional dimension that shield duct piece is formed is limited, meeting while gauge requires, reasonable Arrangement and the reliable connection with section of jurisdiction of carrying out large number quipments pipeline are very important.Evacuation platform is responsible for the important function of daily operation maintenance in subterranean tunnel and in particular cases passenger safety rapid evacuation, it is the critical facility that must arrange in tunnel, the evacuation platform of current use mostly is steelframe combining structure, section of jurisdiction snail tie connect, composite panel face, this evacuation platform exists that construction is complicated, installation accuracy is low, under the complex environment of underground perishable poor durability, vibrating load effect connect shortcomings such as easily loosening.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, and provide a kind of shield structure running tunnel prefabricated evacuation platform, this evacuation platform can adapt to the particular surroundings in subterranean tunnel preferably, and simple installation, reasonable stress.
For achieving the above object, the utility model adopts following technical proposals:
The prefabricated evacuation platform of a kind of shield structure running tunnel, comprise the prefabricated evacuation platform support and prefabricated platform plate that connect with shield duct piece, described prefabricated evacuation platform support comprises support cant beam and bottom girder, described support cant beam is connected with crossbeam, described crossbeam side connects reserved projection, described support cant beam, bottom girder, crossbeam and reserved projection are prefabricated integral structure, described cross beam support prefabricated platform plate, described prefabricated platform grillage is located on the crossbeam of two prefabricated evacuation platform supports, the edge of described prefabricated platform plate is provided with the breach matched with reserved projection, be located at after on two prefabricated evacuation platform supports to make prefabricated platform grillage and complete the fixing of prefabricated platform plate between the reserved projections of embedding two, described bottom girder is provided with preformed hole, described bottom girder is fixedly connected with shield duct piece.
Described prefabricated evacuation platform support and prefabricated platform plate are precast reinforced concrete structure, and there is not the connector leaked outside.
The height of described reserved projection is identical with the height of prefabricated platform plate.
Described bottom girder is arc bottom girder, and the outside radian of described arc bottom girder is identical with shield duct piece internal diameter radian, is convenient to contact and installs and transmit load.
Described prefabricated platform plate is precast prestressed empty platforms plate, and prefabricated platform plate is provided with preformed hole, alleviates landing slab deadweight.
Described arc bottom girder is provided with two square preformed holes, and different according to evacuation platform loading characteristic, its middle and upper part preformed hole is half flow-through square hole, and bottom preformed hole is wildcard-filter style square hole.
Described bottom girder half flow-through square hole place is perpendicular to the pre-buried reinforcement steel plate of square hole, mainly play a part conveniently to connect and ensure all bolt strained equilibriums, described reinforcement steel plate is reserved with expansion bolt installing hole, expansion bolt is fixed on shield duct piece through the expansion bolt installing hole strengthened on steel plate, complete the fixing of bottom girder and shield duct piece, expansion bolt mainly bears pulling force.
Described bottom girder wildcard-filter style square hole place is provided with prefabricated truncated cone-shaped shearing block, and described prefabricated truncated cone-shaped shearing block is connected with shield duct piece plug-in type, mainly bears shearing.
Described two square preformed holes all carry out tamping shutoff with pea gravel concreten.
Described prefabricated shearing block is truncated cone-shaped prefabricated reinforced concrete block.
The beneficial effects of the utility model are:
(1) the interval prefabricated evacuation platform primary structural member of shield structure all adopts the industrialization of overall factory prefabricated, improve quality and the durability of component, save great deal of steel, the high requirement to structure durability under tunnel complex environment can be met, greatly reduce and disposablely build peace expense and later maintenance expense.
(2) prefabricated evacuation platform connects reliable, reasonable stress with section of jurisdiction, and arc bottom girder can well transmit load, and improves the positioning precision of installing; According to evacuation platform loading characteristic, upper and lower two reserved square holes have employed different connected modes, and the last pea gravel concreten that all adopts tamps shutoff, there is not the connecting portion exposed, not easily be corroded, improve the durability of connection, and avoid the adverse effect of vehicle operating vibration to it.
(3) prefabricated evacuation platform beam-end is reserved projection and is played fixation to landing slab, and decrease landing slab other mechanical connections with crossbeam, installation is convenient and quick.
(4) adopt precast prestressed hollowcore slab as landing slab, high from heavy and light, intensity, save material, and adopt batch production integral prefabricated, be designed to pre-stress hollow structure, be directly erected in the middle of support, connect without the need to carrying out other, installation is convenient and swift.
Accompanying drawing explanation
Fig. 1 is the lateral view of the prefabricated evacuation platform of the utility model;
Fig. 2 is the top view of the prefabricated evacuation platform of the utility model;
Fig. 3 is prefabricated platform plate sectional drawing in Fig. 1;
Fig. 4 is the radial schematic diagram that in Fig. 1, half flow-through reserves square hole;
Fig. 5 is the radial schematic diagram that in Fig. 1, wildcard-filter style reserves square hole;
Fig. 6 is the connection diagram that wildcard-filter style reserves square hole, prefabricated shearing block;
Fig. 7 is the front view of prefabricated shearing block;
Fig. 8 is the top view of prefabricated shearing block;
In figure, 1 is prefabricated platform plate, and 2 is preformed hole, 3 is reserved projection, and 4 is crossbeam, and 5 for supporting cant beam, 6 is arc bottom girder, 7 is that half flow-through reserves square hole, and 8 reserve square hole for wildcard-filter style, and 9 is prepared screw-bolt hole, 10 for strengthening steel plate, 11 is prefabricated shearing block, and 12 is shield duct piece, and 13 is shield duct piece boring.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated.
As shown in Figure 1, the prefabricated evacuation platform of shield structure running tunnel, is made up of prefabricated evacuation platform support and prefabricated platform plate 1.Prefabricated platform plate 1 is provided with preformed hole 2, adopt precast hollow prestressed slab, factory's manufacturing industryization is produced, hollow design is high from heavy and light intensity, and by length reasonable in design, different tunnel sweeps can be adapted to, prefabricated platform plate 1 is directly erected in the middle of prefabricated evacuation platform support, connect without the need to carrying out other, installation is convenient and swift.Prefabricated evacuation platform support is made up of crossbeam 4, support cant beam 5, arc bottom girder 6, reserved projection 3, integral prefabricated, factory's manufacturing industryization is produced, and there is not other mechanical connections, crossbeam 4 pairs of prefabricated platform plate 1 supporting functions between prefabricated evacuation platform support each several part; Support cant beam 5 and transmit crossbeam load to arc bottom girder 6; The curved surfaces identical with shield duct piece 12 inner surface radius of the radian is designed to outside arc bottom girder 6, be convenient to the contact of same shield duct piece 12 install and transmit load, conveniently connect with section of jurisdiction, by controlling the installing drill hole site of crossbeam to the distance just energy accurate positioning support of tread, installation accuracy is higher; Reserved upper and lower two prescription holes on arc bottom girder 6, according to loading characteristic, top is that half flow-through reserves square hole 7, and reserved four expansion bolt installing holes, i.e. prepared screw-bolt hole 9, carry out bolt connection with shield duct piece 12, mainly bear pulling force; Bottom is that wildcard-filter style reserves square hole 8, adopts circular prefabricated shearing block 11 to connect with shield duct piece 12, mainly bears shearing; Connect latter two square hole all to carry out tamping shutoff with pea gravel concreten, solve support Fast Installation, connect reliable, reasonable stress, not perishable, be not afraid of a difficult problem for vibration.Crossbeam 4 end is provided with reserved projection 3, be one overall with prefabricated evacuation platform support, play the effect of fixing prefabricated platform plate 1, reserved projection 3 height is highly identical with prefabricated platform plate 1, there is reserved projection 3 need not carry out other mechanical connections to prefabricated platform plate 1 and prefabricated evacuation platform support again, convenient and quick construction, eliminates Vehicular vibration to the adverse effect connected.Half flow-through is reserved square hole 7 place and is provided with and strengthens steel plate 10, expansion bolt connection reinforcement steel plate and shield duct piece, completes the fixing of bottom girder and shield duct piece, and strengthening steel plate 10, that bolt is connected is more reliable and conveniently.
As shown in Figure 2, prefabricated platform plate 1 is supported on evacuation platform crossbeam 5, and embed two evacuation platform supports and reserve between projection 3, the displacement that projection 3 limits prefabricated platform plate 1 reserved by evacuation platform support, no longer needs other to connect.Prefabricated platform plate is reserved and the breach reserved projection 3 and coordinate, and the height of reserved projection 3 is identical with prefabricated platform plate 1.
As shown in Figure 3, prefabricated platform plate 1 is precast prestressed hollowcore slab, and prefabricated platform plate 1 corner reserves the breach coordinated with reserved projection 3, can adjust prefabricated length according to the requirement of route curve radius.
Be the radial schematic diagram that half flow-through reserves that square hole 7 and wildcard-filter style reserve square hole 8 as shown in fig. 4-5, half flow-through reserves square hole 7 and wildcard-filter style reserves square hole 8 for becoming size hole, and the side undersized connected with shield duct piece, opposite side size is bigger.
Be illustrated in figure 6 wildcard-filter style and reserve square hole 8 by the connection diagram of prefabricated shearing block 11 with shield duct piece 12, shield duct piece 12 is opened shield duct piece boring 13, prefabricated shearing block 11 is inserted section of jurisdiction boring 13, and carry out tamping shutoff with pea gravel concreten, realize prefabricated shearing block 11 arc bottom girder 6 is connected with shield duct piece 12, mainly bear shearing.
As shown in Figs. 7-8, prefabricated shearing block 11 is prefabricated reinforced concrete hollow round table shape shearing block.
By reference to the accompanying drawings detailed description of the invention of the present utility model is described although above-mentioned; but the restriction not to the utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection domain of the present utility model.
Claims (10)
1. the prefabricated evacuation platform of shield structure running tunnel, it is characterized in that, comprise the prefabricated evacuation platform support and prefabricated platform plate that connect with shield duct piece, described prefabricated evacuation platform support comprises support cant beam and bottom girder, described support cant beam is connected with crossbeam, described crossbeam side connects reserved projection, described support cant beam, bottom girder, crossbeam and reserved projection are prefabricated integral structure, described cross beam support prefabricated platform plate, described prefabricated platform grillage is located on the crossbeam of two prefabricated evacuation platform supports, the edge of described prefabricated platform plate is provided with the breach matched with reserved projection, be located at after on two prefabricated evacuation platform supports to make prefabricated platform grillage and complete the fixing of prefabricated platform plate between the reserved projections of embedding two, described bottom girder is provided with preformed hole, described bottom girder is fixedly connected with shield duct piece.
2. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 1, it is characterized in that, the height of described reserved projection is identical with the height of prefabricated platform plate.
3. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 1, it is characterized in that, described bottom girder is arc bottom girder, and the outside radian of described arc bottom girder is identical with shield duct piece internal diameter radian.
4. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 1, it is characterized in that, described prefabricated evacuation platform support and prefabricated platform plate are precast reinforced concrete structure.
5. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 1, it is characterized in that, described prefabricated platform plate is precast prestressed empty platforms plate, and prefabricated platform plate is provided with preformed hole, and reserves the position of corresponding reserved projection in its corner.
6. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 3, it is characterized in that, described arc bottom girder is provided with two square preformed holes, and the preformed hole of its middle and upper part is half flow-through square hole, and the preformed hole of bottom is wildcard-filter style square hole.
7. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 6, it is characterized in that, described bottom girder half flow-through square hole place is perpendicular to the pre-buried reinforcement steel plate of square hole, described reinforcement steel plate is reserved with expansion bolt installing hole, expansion bolt is fixed on shield duct piece through the expansion bolt installing hole strengthened on steel plate, completes fixing of bottom girder and shield duct piece.
8. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 6, it is characterized in that, described bottom girder wildcard-filter style square hole place is provided with prefabricated shearing block, and described prefabricated shearing block is connected with shield duct piece plug-in type.
9. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 6, it is characterized in that, described two square preformed holes all carry out tamping shutoff with pea gravel concreten.
10. the prefabricated evacuation platform of shield structure running tunnel as claimed in claim 8, it is characterized in that, described prefabricated shearing block is truncated cone-shaped prefabricated reinforced concrete block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093006.8U CN204436457U (en) | 2015-02-09 | 2015-02-09 | The prefabricated evacuation platform of a kind of shield structure running tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520093006.8U CN204436457U (en) | 2015-02-09 | 2015-02-09 | The prefabricated evacuation platform of a kind of shield structure running tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436457U true CN204436457U (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520093006.8U Expired - Fee Related CN204436457U (en) | 2015-02-09 | 2015-02-09 | The prefabricated evacuation platform of a kind of shield structure running tunnel |
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| Country | Link |
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| CN (1) | CN204436457U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653222A (en) * | 2015-02-09 | 2015-05-27 | 济南轨道交通集团有限公司 | Prefabricated evacuation platform for shield interval tunnel |
| CN107989622A (en) * | 2018-01-23 | 2018-05-04 | 上海隧道工程有限公司 | Tunnel internal double-decker precast assembly construction method |
| CN110593943A (en) * | 2019-01-31 | 2019-12-20 | 洛阳双瑞橡塑科技有限公司 | Evacuation platform for tunnel |
-
2015
- 2015-02-09 CN CN201520093006.8U patent/CN204436457U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653222A (en) * | 2015-02-09 | 2015-05-27 | 济南轨道交通集团有限公司 | Prefabricated evacuation platform for shield interval tunnel |
| CN104653222B (en) * | 2015-02-09 | 2017-02-01 | 济南轨道交通集团有限公司 | Prefabricated evacuation platform for shield interval tunnel |
| CN107989622A (en) * | 2018-01-23 | 2018-05-04 | 上海隧道工程有限公司 | Tunnel internal double-decker precast assembly construction method |
| CN110593943A (en) * | 2019-01-31 | 2019-12-20 | 洛阳双瑞橡塑科技有限公司 | Evacuation platform for tunnel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150701 Termination date: 20170209 |