CN204185834U - Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system - Google Patents
Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system Download PDFInfo
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- CN204185834U CN204185834U CN201420658864.8U CN201420658864U CN204185834U CN 204185834 U CN204185834 U CN 204185834U CN 201420658864 U CN201420658864 U CN 201420658864U CN 204185834 U CN204185834 U CN 204185834U
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- steel
- abutment wall
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- hydropower station
- rock bolt
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system, belong to Hydraulic and Hydro-Power Engineering ancillary facility design and manufacturing technology field.There is provided a kind of excavation difficulty little, building course and the little Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system of other construction working mutual interference degree.Described abutment wall system comprises steel shell system, rail system and guard system, the middle and upper part of what described rail system was fixed be arranged on described steel shell system, described guard system cover is connected on the outside of described steel shell system, and described abutment wall system is fixedly connected with outside foundation of civil work by described steel shell system.
Description
Technical field
The utility model relates to a kind of Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system, belongs to Hydraulic and Hydro-Power Engineering ancillary facility design and manufacturing technology field.
Background technology
In tradition Underground Hydro-electric Power Station, bridge machine braced structures often adopts Rock Crane Rail Support form of structure, namely by anchor pole or anchor cable, concrete crane beam is anchored on crag, adopt this form of structure, can bearing capacity of the wall rock be made full use of, the excavation span of underground chamber can not only be reduced, be conducive to adjoining rock stability, and bridge machine can more early put into operation, favourable factory building bottom excavation and concrete and units' installation progress, remarkable in economical benefits.
But put into practice display for many years, Rock Crane Rail Support defect is also comparatively outstanding, main manifestations is that crag excavation requires high, complex process, duration longer, and at some middle and small scale power station cavern internal cause limited spaces, construction interference is larger; Secondly to belong to mass structural concrete, quantity of reinforcement also comparatively large for Rock Crane Rail Support, and often have temperature requirements for concreting, difficulty of vibrating when building is comparatively large, and the later stage often occurs thermal cracking, does over again, repair process workload is large.Rock Crane Rail Support region cavern system supporting Anchor cable-rod gathers, and often conflicts with Rock Crane Rail Support pull bar and causes pull bar to interrupt; Again, concrete structure is poor for underground rock cavern distortion compliance, although carry out a small amount of structural jointing, slight surrouding rock deformation still can cause beam body to ftracture, and increases reinstatement works amount and later maintenance work; Finally, Rock Crane Rail Support by upper and lower for abutment wall space partition, in traditional Upper Structure of Factory Building, need special setting to run through draining, the ventilating duct of Rock Crane Rail Support, the construction period very easily blocks, and strengthens difficulty of construction further, and runtime maintenance difficulty is large, actual motion effect is barely satisfactory.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of excavation difficulty little, building course and the little Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system of other construction working mutual interference degree.
For solving the problems of the technologies described above adopted technical scheme be: a kind of Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system, comprise steel shell system, rail system and guard system, the middle and upper part of what described rail system was fixed be arranged on described steel shell system, described guard system cover is connected on the outside of described steel shell system, and described abutment wall system is fixedly connected with outside foundation of civil work by described steel shell system.
Be further, described steel shell system comprises real abdomen post, upper post and connection boots beam, the bottom of described real abdomen post is provided with syndeton, described connection boots beam is arranged on the outside of described real abdomen column top, described real abdomen post is fixedly connected with outside foundation of civil work with the described connection boots beam at top by the syndeton of bottom, described rail system is arranged on the top of described real abdomen post, described upper post is arranged on described connection boots beam, and described guard system is connected on the outside of described steel shell system by described upper post cover.
The preferred embodiment of such scheme is, described syndeton comprises the link bolt hole and the threaded anchor pole of cross-under in described link bolt hole that are arranged on described real abdomen column bottom, one end that described anchor pole does not arrange screw thread is arranged in outside foundation of civil work, and threaded one end of described anchor pole is through the bottom being connected to described real abdomen post after described link bolt hole by nut.
Further, between described real abdomen post and the foundation of civil work of outside, be also coated with the outsourcing ruggedized construction of reinforced concrete structure, described syndeton is arranged in described outsourcing ruggedized construction.
Further, between the real abdomen post described in adjacent two, cross angle brace and horizontal braces is also provided with.
Be further, described guard system comprises circular arc type ceiling and fastening devices, described circular arc type ceiling is connected on the outside of described steel shell system by described upper post cover, and the middle and upper part of described upper post is fixedly connected with outside foundation of civil work by described fastening devices.
The preferred embodiment of such scheme is, described fastening devices comprises crab-bolt and is connected girder with steel, the outside that described steel connects one end of girder and the middle and upper part of described upper post is welded to connect, and the other end is fixedly connected with outside foundation of civil work by described crab-bolt.
Further, described rail system comprises I shape rail and stable connection device, and described I shape rail is packed in the middle and upper part of described steel shell system, and described stable connection Plant arrangement is between described I shape rail and guard system.
Further, described stable connection device comprises connection channel-section steel and is the junction steel plate of integrative-structure with described I shape rail top flange, is connected between described junction steel plate and described guard system by described connection channel-section steel.
Further, described I shape rail is made up of many welded steel beams, connects as a whole between the welded steel beam described in adjacent two by connecting bolt with the corresponding steel skeleton of described steel shell system.
The beneficial effects of the utility model are: on the basis arranged before the Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system provided due to the application is directly installed to after underground cavern excavation completes again, thus the construction of the abutment wall system of structure described in the application can not be disturbed with the excavation work of underground chamber.And because described Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system is independent of outside crag, so the excavation difficulty of crag also can be made to reduce greatly, excavation workload is being reduction, thus reduces construction cost on the basis of improving a rate of advance, excavation efficiency.And adopt the abutment wall system of steel structure, the crane girder of factory building and the weight of column system self can also be effectively reduced, improve the supporting capacity of factory building, can also construction speed be improved simultaneously.
Accompanying drawing explanation
Fig. 1 is the partial 3-D structural representation of the utility model Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system;
Fig. 2 is the connection diagram of the real abdomen post that relates to of the utility model and outside foundation of civil work;
Fig. 3 is the connection diagram between the I shape rail that relates to of the utility model and real abdomen post, upper post;
Fig. 4 is the connection diagram between the I shape rail that relates to of the utility model and real abdomen post;
Fig. 5 is the connection diagram between the guard system that relates to of the utility model and steel shell system.
Be labeled as in figure: steel shell system 1, rail system 2, guard system 3, real abdomen post 4, upper post 5, connection boots beam 6, syndeton 7, anchor pole 8, outsourcing ruggedized construction 9, cross angle brace 10, circular arc type ceiling 11, fastening devices 12, crab-bolt 13, steel connect girder 14, I shape rail 15, stable connection device 16, connect channel-section steel 17, junction steel plate 18, horizontal braces 19.
Detailed description of the invention
As shown in Figure 1, Figure 2, be that the one excavation difficulty that the utility model provides is little shown in Fig. 3, Fig. 4 and Fig. 5, building course and the little Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system of other construction working mutual interference degree.Described Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system comprises steel shell system 1, rail system 2 and guard system 3, the middle and upper part being arranged on described steel shell system 1 that described rail system 2 is fixing, described guard system 3 cover is connected on the outside of described steel shell system 1, and described abutment wall system is fixedly connected with outside foundation of civil work by described steel shell system 1.On the basis arranged before the Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system provided due to the application is directly installed to after underground cavern excavation completes again, thus the construction of the top mill construction of abutment wall system described in the application can not be disturbed with the excavation work of underground chamber.And because described Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system is independent of outside crag, so the excavation difficulty of crag also can be made to reduce greatly, excavation workload greatly reduces, thus reduces construction cost on the basis of improving a rate of advance, excavation efficiency.And adopt the abutment wall system of steel structure, the crane girder of factory building and the weight of column system self can also be effectively reduced, improve the supporting capacity of factory building, can also construction speed be improved simultaneously.
In above-mentioned embodiment, make full use of steel mill construction from heavy and light, intensity is high and have plasticity and toughness concurrently, span is large, bearing value is strong, speed of application is fast, layout is flexible, building area utilization rate is high, production plant, the feature of good processability, described steel shell system 1 comprises real abdomen post 4, upper post 5 be connected boots beam 6, the bottom of described real abdomen post 4 is provided with syndeton 7, described connection boots beam 6 is arranged on the outside at described real abdomen post 4 top, described real abdomen post 4 is fixedly connected with outside foundation of civil work with the described connection boots beam 6 at top by the syndeton 7 of bottom, described rail system 2 is arranged on the top of described real abdomen post 4, described upper post 5 is arranged on described connection boots beam 6, described guard system 3 is connected on the outside of described steel shell system 1 by described upper post 5 cover, described syndeton 7 comprises and is arranged on link bolt hole bottom described real abdomen post 4 and the threaded anchor pole 8 of cross-under in described link bolt hole, one end that described anchor pole 8 does not arrange screw thread is arranged in outside foundation of civil work, and threaded one end of described anchor pole 8 is through the bottom being connected to described real abdomen post 4 after described link bolt hole by nut, between described real abdomen post 4 and the foundation of civil work of outside, be also coated with the outsourcing ruggedized construction 9 of reinforced concrete structure, described syndeton 7 is arranged in described outsourcing ruggedized construction 9.And in order to strengthen the strength and stability of the main steel skeleton be made up of real abdomen post 4, between the real abdomen post 4 described in adjacent two, be also provided with cross angle brace 10 and horizontal braces 19.
Simultaneously, with reference to the feature of existing mill construction, again in conjunction with use occasion and the applying working condition of abutment wall system described in the application, described guard system 3 comprises circular arc type ceiling 11 and fastening devices 12, described circular arc type ceiling 11 is connected on the outside of described steel shell system 1 by described upper post 5 cover, and the middle and upper part of described upper post 5 is fixedly connected with outside foundation of civil work by described fastening devices 12; Described fastening devices 12 comprises crab-bolt 13 and is connected girder 14 with steel, and the outside that described steel connects one end of girder 14 and the middle and upper part of described upper post 5 is welded to connect, and the other end is fixedly connected with outside foundation of civil work by described crab-bolt 13.Like this, useful structure of the prior art can be made full use of, reduce design cost, improve design speed.The generation of the hazardous substances such as dust, smog simultaneously adopting described circular arc type ceiling 11 and fastening devices 12 can also effectively reduce in installation process is conducive to environmental protection and energy-saving and emission-reduction.
Same, in order to the suitable factorial praluction making described rail system same, convenient on-the-spot mounting and adjusting again, described rail system 2 comprises I shape rail 15 and stable connection device 16, described I shape rail 15 is packed in the middle and upper part of described steel shell system 1, and described stable connection device 16 is arranged between described I shape rail 15 and guard system 3; And described I shape rail 15 is preferably made up of many welded steel beams, connect as a whole by connecting bolt with the corresponding steel skeleton of described steel shell system 1 between the welded steel beam described in adjacent two; And described stable connection device 16 comprises connection channel-section steel 17 and is the junction steel plate 18 of integrative-structure with described I shape rail 15 top flange, connected by described connection channel-section steel 17 between described junction steel plate 18 and described guard system 3.Like this, just can the in-site installation of very convenient described rail system 2.
Above-mentioned steel structure top factory building and traditional Rock Crane Rail Support concrete column system duration and investment ratio is adopted to see the following form.The visible duration shifts to an earlier date remarkable benefit, also has some superiority to construction investment.
The utility model and traditional scheme duration and investment ratio table
Note: A type structure-full steel structure crane girder and the above column system of generator floor;
Type B structure-conventional concrete Rock Crane Rail Support and the above column system of generator floor.
And the steel structures coating described in the application is made up of the dismountable component of a pieces, has the unique advantage of independent replacement, renewal.Compare concrete structure more flexible, compliance is stronger.The application proposes and puts into practice the holotype steel work utilized to substitute traditional steel concrete Rock Crane Rail Support and its upper and lower column system containing damp-proofing wall first, for underground workshop superstructure design from now on provides new selection, new thinking, for underground power house structure, Decoration Design serve impetus towards the future development sooner, more economized.
Claims (10)
1. a Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system, it is characterized in that: comprise steel shell system (1), rail system (2) and guard system (3), the middle and upper part being arranged on described steel shell system (1) that described rail system (2) is fixing, described guard system (3) cover is connected on the outside of described steel shell system (1), and described abutment wall system is fixedly connected with outside foundation of civil work by described steel shell system (1).
2. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 1, it is characterized in that: described steel shell system (1) comprises real abdomen post (4), upper post (5) be connected boots beam (6), the bottom of described real abdomen post (4) is provided with syndeton (7), described connection boots beam (6) is arranged on the outside at described real abdomen post (4) top, described real abdomen post (4) is fixedly connected with outside foundation of civil work with the described connection boots beam (6) at top by the syndeton (7) of bottom, described rail system (2) is arranged on the top of described real abdomen post (4), described upper post (5) is arranged on described connection boots beam (6), described guard system (3) is connected on the outside of described steel shell system (1) by described upper post (5) cover.
3. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 2, it is characterized in that: described syndeton (7) comprises the link bolt hole and the threaded anchor pole (8) of cross-under in described link bolt hole that are arranged on described real abdomen post (4) bottom, one end that described anchor pole (8) does not arrange screw thread is arranged in outside foundation of civil work, and threaded one end of described anchor pole (8) is through the bottom being connected to described real abdomen post (4) after described link bolt hole by nut.
4. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 2, it is characterized in that: the outsourcing ruggedized construction (9) being also coated with reinforced concrete structure between described real abdomen post (4) and the foundation of civil work of outside, described syndeton (7) is arranged in described outsourcing ruggedized construction (9).
5. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 2, is characterized in that: between the real abdomen post (4) described in adjacent two, be also provided with cross angle brace (10) and horizontal braces (19).
6. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 2, it is characterized in that: described guard system (3) comprises circular arc type ceiling (11) and fastening devices (12), described circular arc type ceiling (11) is connected on the outside of described steel shell system (1) by described upper post (5) cover, and the middle and upper part of described upper post (5) is fixedly connected with outside foundation of civil work by described fastening devices (12).
7. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 6, it is characterized in that: described fastening devices (12) comprises crab-bolt (13) and is connected girder (14) with steel, the outside that described steel connects one end of girder (14) and the middle and upper part of described upper post (5) is welded to connect, and the other end is fixedly connected with outside foundation of civil work by described crab-bolt (13).
8. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 1, it is characterized in that: described rail system (2) comprises I shape rail (15) and stable connection device (16), described I shape rail (15) is packed in the middle and upper part of described steel shell system (1), and described stable connection device (16) is arranged between described I shape rail (15) and guard system (3).
9. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 8, it is characterized in that: described stable connection device (16) comprises connection channel-section steel (17) and is the junction steel plate (18) of integrative-structure with described I shape rail (15) top flange, is connected between described junction steel plate (18) and described guard system (3) by described connection channel-section steel (17).
10. Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system according to claim 9, it is characterized in that: described I shape rail (15) is made up of many welded steel beams, connect as a whole by connecting bolt with the corresponding steel skeleton of described steel shell system (1) between the welded steel beam described in adjacent two.
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CN201420658864.8U CN204185834U (en) | 2014-11-05 | 2014-11-05 | Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system |
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CN201420658864.8U CN204185834U (en) | 2014-11-05 | 2014-11-05 | Rock Bolt Beam in Underground Powerhouse at Hydropower Station levels steel work abutment wall system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104532805A (en) * | 2014-11-05 | 2015-04-22 | 中国电建集团成都勘测设计研究院有限公司 | Workshop structure for position above generator layer of underground powerhouse of hydropower station |
CN105350503A (en) * | 2015-10-10 | 2016-02-24 | 中国电建集团贵阳勘测设计研究院有限公司 | Hydropower station underground powerhouse plant-to-traffic-hole structure and construction method thereof |
CN107653848A (en) * | 2017-09-12 | 2018-02-02 | 中国葛洲坝集团基础工程有限公司 | A kind of attached cavern excavation supporting construction of sand gravel layer tunnel and its construction method |
-
2014
- 2014-11-05 CN CN201420658864.8U patent/CN204185834U/en not_active Withdrawn - After Issue
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104532805A (en) * | 2014-11-05 | 2015-04-22 | 中国电建集团成都勘测设计研究院有限公司 | Workshop structure for position above generator layer of underground powerhouse of hydropower station |
CN105350503A (en) * | 2015-10-10 | 2016-02-24 | 中国电建集团贵阳勘测设计研究院有限公司 | Hydropower station underground powerhouse plant-to-traffic-hole structure and construction method thereof |
CN107653848A (en) * | 2017-09-12 | 2018-02-02 | 中国葛洲坝集团基础工程有限公司 | A kind of attached cavern excavation supporting construction of sand gravel layer tunnel and its construction method |
CN107653848B (en) * | 2017-09-12 | 2019-04-09 | 中国葛洲坝集团基础工程有限公司 | A kind of attached cavern excavation support construction of sand gravel layer tunnel and its construction method |
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Granted publication date: 20150304 Effective date of abandoning: 20160525 |
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