CN205443962U - Self -supporting protective structure suitable for simply supported girder bridge construction - Google Patents
Self -supporting protective structure suitable for simply supported girder bridge construction Download PDFInfo
- Publication number
- CN205443962U CN205443962U CN201620195886.4U CN201620195886U CN205443962U CN 205443962 U CN205443962 U CN 205443962U CN 201620195886 U CN201620195886 U CN 201620195886U CN 205443962 U CN205443962 U CN 205443962U
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- self
- simply supported
- girder bridge
- bridge construction
- supported girder
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Abstract
The utility model belongs to bridge structures engineering field specifically indicates a self -supporting protective structure suitable for simply supported girder bridge construction, including a plurality of precast box girder, its special character lies in, is equipped with construction platform between the roof beam between adjacent precast box girder lower part, and the outside on marginal precast box girder upper portion is equipped with roof beam frontier defense and protects and enclose the fender. Stride the simply supported girder bridge's of existing road or structure thing the construction degree of difficulty on self -supporting protective structure suitable for simply supported girder bridge construction can reduce, more traditional emergency support protection access structure is more simple just to change the dismouting to the ability reduces the input of construction safety protection expense, reduction of erection time.
Description
Technical field
This utility model belongs to bridge structure engineering field, refers specifically to a kind of self-bearing type safeguard structure being applicable to simply supported girder bridge construction.
Background technology
Simply supported girder bridge belongs to single hole statically determinate structure, and its stress is clear and definite, and simple structure, easy construction, is bridge type most widely used in Short/Medium Span Bridge.The physical dimension of simply supported girder bridge is prone to carry out seriation and standardized designs, is conducive to organizing extensive Prefabrication, and it can be deployed in fabricated construction method, utilizes the crane gear of modernization to install.
Development along with highway in China cause, for the installation of prefabricated case beam when simply supported girder bridge overpass road or works, traditional protection method construction safety protection expense setting up emergency support passage puts into big and the duration is longer, easily delay the integral construction progress of bridge, and the routine use of the road traffic of lower section or works can be affected greatly.
Summary of the invention
The purpose of this utility model seeks to solve above-mentioned problems of the prior art, it is provided that a kind of be easy on across the self-bearing type safeguard structure of existing road or the construction of the simply supported girder bridge of works.
The self-bearing type safeguard structure being applicable to simply supported girder bridge construction described in the utility model includes some prefabricated case beams, and it is characterized in that, is provided with operation platform between beam between adjacent prefabricated case beam bottom, and the outside on prefabricated case beam top, edge is provided with beam frontier defense pad gear.
Beam frontier defense pad gear mainly prevents concrete slurry, aggregate or template associated components etc. from dropping under bridge, and building operation platform between beam carries out diaphragm plate and the layout of wet seam jig mainly for convenient construction personnel, prevents construction object and foreign material from dropping under bridge simultaneously.
Between described beam frontier defense pad gear and beam, operation platform all includes being spaced the built-in fitting being located at prefabricated case beam side, the support member that is connected with described built-in fitting and be layed in the panel on described support member.
A preferred version as beam frontier defense pad gear, described built-in fitting is the sleeve pipe that updip ground is embedded in edge prefabricated case beam upper outside in advance, described support member is to include that lower end is inserted the rod member of described sleeve pipe and is fixedly connected on the hound connecting sheet on described rod member top, and described panel is two ends and be connected sheet and fix the baffle plate of connection.
It is correspondingly provided with connecting hole on described baffle plate and connection sheet and is tied up by iron wire or the fixing connection of bolt.
Preferably, described sleeve pipe and rod member are hollow square steel material, and described baffle plate is bamboo slab rubber material.
Further, described baffle edge and hound and the gap of prefabricated case beam and connection hole all scribble foam seal glue, so can be better protected from small particles material and drop from bridge.
As one preferred version of operation platform between beam, described built-in fitting is the inner thread sleeve that level is embedded in prefabricated case beam lower side in advance, described support member is the bottom bracket being made up of assembling bolt, angle steel belt and cross rib, described angle steel belt is provided with the pilot hole corresponded to inner thread sleeve, and is fixed on prefabricated case beam side by the assembling bolt adapted with inner thread sleeve.Described cross rib interval is layed in two relative row angle steel interbands, and described panel is to be laid on the bearing plate above cross rib.
Preferably, described cross rib is solid wood material, and described bearing plate is solid wood board.
Further, between described beam, operation platform is the most completely covered with Tarpauling and fireproof asbestos cloth on bearing plate, the disaster hidden-trouble that may bring with the weld job preventing platform from seeping water and to stop to close on.
Further, between bearing plate and Tarpauling, between described beam, on operation platform, it is covered with insulation board, to adapt to construct in the case of there is high-tension line below bridge.
Just applying of diaphragm plate and wet seam can be carried out successively after operation platform has been set up between beam, later stage for ease of operation platform removes, should reserve a working hole between the imperforate diaphragm plate of adjacent twice when applying wet seam, the operation platform material after convenient dismounting transports.Should avoid the excessive risk position of road or works below pontic when arranging working hole, reducing may be on the impact of lower section when removing wet joint template at working hole as far as possible.Between beam frontier defense pad gear and beam, operation platform demolishing process also should carry out the antirust treatment to built-in fitting, in order to can continue to use in bridge inspection and maintenance in the future is constructed.
Described in the utility model be applicable to simply supported girder bridge construction self-bearing type safeguard structure can reduce on across existing road or the difficulty of construction of the simply supported girder bridge of works, the simplest and more easy to assemble compared with conventional security support protection channel structure, and the input of construction safety protection expense, reduction of erection time can be reduced.
Accompanying drawing explanation
Fig. 1: be applicable to the self-bearing type safeguard structure schematic diagram of simply supported girder bridge construction；
Fig. 2: built-in fitting, support member and the structural representation of panel be applicable to the self-bearing type safeguard structure of simply supported girder bridge construction；
Fig. 3: be applicable to the structural representation of the self-bearing type safeguard structure central sill frontier defense pad gear of simply supported girder bridge construction；
Fig. 4: be applicable to the rear view of the self-bearing type safeguard structure central sill frontier defense pad gear of simply supported girder bridge construction；
Fig. 5: be applicable to the structural representation of operation platform between the self-bearing type safeguard structure central sill of simply supported girder bridge construction；
Fig. 6: angle steel belt schematic diagram at prefabricated diaphragm plate be applicable to the self-bearing type safeguard structure of simply supported girder bridge construction.
Wherein: between 1-prefabricated case beam, 2-beam frontier defense pad gear, 3-beam, operation platform, 4-built-in fitting (41-sleeve pipe, 42-inner thread sleeve), 5-support member (51-hound, 52-bottom bracket), 6-panel (61-baffle plate, 62-bearing plate), 7-rod member, 8-connection sheet, 9-connecting hole, 10-sealing foamed glue coating, 11-assemble bolt, 12-angle steel belt, 13-cross rib, 14-pilot hole, 15-Tarpauling, 16-fireproof asbestos cloth, 17-insulation board, the prefabricated diaphragm plate of 18-.
Detailed description of the invention
Below in conjunction with specific embodiment, the self-bearing type safeguard structure being applicable to simply supported girder bridge construction described in the utility model is described further.
As shown in Figure 1, the self-bearing type safeguard structure being applicable to simply supported girder bridge construction described in the utility model includes some prefabricated case beams 1, it is characterized in that, is provided with operation platform 3 between beam between adjacent prefabricated case beam 1 bottom, and the outside on edge prefabricated case beam 1 top is provided with beam frontier defense pad gear 2.
Beam frontier defense pad gear 2 is mainly used in preventing concrete slurry, aggregate or template associated components etc. from dropping under bridge, and between beam, operation platform 3 convenient construction personnel can carry out diaphragm plate and the layout of wet seam jig, and prevents construction object or foreign material from dropping under bridge.
As shown in Figure 1, 2, between beam frontier defense pad gear 2 and beam, operation platform 3 all includes being spaced the built-in fitting 4 being located at prefabricated case beam 1 side, the support member 5 being connected with built-in fitting 4 and the panel 6 being layed on support member 5.
As shown in Figure 2,3, in beam frontier defense pad gear 2, built-in fitting 4 is the sleeve pipe 41 that updip ground is embedded in edge prefabricated case beam 1 upper outside in advance, support member 5 is to include that lower end is inserted the rod member 7 of described sleeve pipe 41 and is welded in the hound 51 connecting sheet 8 on rod member 7 top, and panel 6 is two ends and the baffle plate 61 being connected the fixing connection of sheet 8.
Sleeve pipe 41 and rod member 7 are hollow square steel material, and baffle plate 61 is bamboo slab rubber material.
Such as Fig. 1, shown in 4, baffle plate 61 and connect and be correspondingly provided with connecting hole 9 on sheet 8 and be bolted to connection.Baffle plate 61 edge all scribbles foam seal glue 10 at hound 51 and the gap of prefabricated case beam 1 and connecting hole 9, so can be better protected from small particles material and drop from bridge.
Such as Fig. 2, shown in 5, between beam in operation platform 3, built-in fitting 4 is the inner thread sleeve 42 that level is embedded in prefabricated case beam 1 lower side in advance, described support member 5 is the bottom bracket 52 being made up of assembling bolt 11, angle steel belt 12 and cross rib 13, angle steel belt 12 is provided with the pilot hole 14 corresponding with inner thread sleeve 42, and is fixed on prefabricated case beam 1 side by the assembling bolt 11 adapted with inner thread sleeve 42.Cross rib 13 interval is layed between two relative row angle steel belt 12, and described panel 6 is to be laid on the bearing plate 62 above cross rib 13.
Cross rib 13 is solid wood material, and bearing plate 62 is solid wood board.
Between beam, operation platform 3 is the most completely covered with Tarpauling 15 and fireproof asbestos cloth 16 on bearing plate 62, the disaster hidden-trouble that may bring with the weld job preventing platform from seeping water and to stop to close on.
Between bearing plate 62 and Tarpauling 15, insulation board 17 it is covered with on operation platform 3, to adapt to construct in the case of there is high-tension line below bridge between beam.
As shown in Figure 6, can walk around from below when at prefabricated diaphragm plate 18 on prefabricated case beam 1, angle steel belt 12 is set, angle steel belt 12 herein will be arranged to right angle half frame, and coordinate cross rib 13 and bearing plate 62 to be barricaded as a concave station, side seals with sheet material again, thus preferably other parts with operation platform adapt.
Claims (10)
1. the self-bearing type safeguard structure being applicable to simply supported girder bridge construction, including some prefabricated case beams (1), it is characterized in that, being provided with operation platform between beam (3) between adjacent prefabricated case beam (1) bottom, the outside on edge prefabricated case beam (1) top is provided with beam frontier defense pad gear (2).
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 1, it is characterized in that, between described beam frontier defense pad gear (2) and beam, operation platform (3) all includes that the built-in fitting (4) of prefabricated case beam (1) side is located at interval, the support member (5) being connected with described built-in fitting (4) and the panel (6) being layed on described support member (5).
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 2, it is characterized in that, in beam frontier defense pad gear (2), described built-in fitting (4) is the sleeve pipe (41) that updip ground is embedded in edge prefabricated case beam (1) upper outside in advance, described support member (5) is to include that lower end is inserted the rod member (7) of described sleeve pipe (41) and is fixedly connected on the hound (51) of connection sheet (8) on described rod member (7) top, and described panel (6) is two ends and is connected sheet (8) and fixes the baffle plate (61) of connection.
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 3, it is characterized in that, described baffle plate (61) and connection sheet (8) are correspondingly provided with connecting hole (9) and connect by iron wire colligation or bolt are fixing.
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 4, it is characterized in that, described baffle plate (61) edge and hound (51) and the gap of prefabricated case beam (1) and connecting hole (9) place all scribble foam seal glue (10).
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 4, it is characterised in that described sleeve pipe (41) and rod member (7) are hollow square steel material, and described baffle plate (61) is bamboo slab rubber material.
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 2, it is characterized in that, between beam in operation platform (3), described built-in fitting (4) is the inner thread sleeve (42) that level is embedded in prefabricated case beam (1) lower side in advance, described support member (5) is by assembling bolt (11), the bottom bracket (52) that angle steel belt (12) and cross rib (13) form, described angle steel belt (12) is provided with the pilot hole (14) corresponding with inner thread sleeve (42), and it is fixed on prefabricated case beam (1) side by the assembling bolt (11) adapted with inner thread sleeve (42), described cross rib (13) interval is layed between two relative row angle steel belt (12), described panel (6) is for be laid on the bearing plate (62) above cross rib (13).
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 7, it is characterised in that described cross rib (13) is solid wood material, and described bearing plate (62) is solid wood board.
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 7, it is characterized in that, between described beam, operation platform (3) is the most completely covered with Tarpauling (15) and fireproof asbestos cloth (16) on bearing plate (62).
It is applicable to the self-bearing type safeguard structure of simply supported girder bridge construction the most as claimed in claim 9, it is characterized in that, between bearing plate (62) and Tarpauling (15), between described beam, on operation platform (3), be covered with insulation board (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195886.4U CN205443962U (en) | 2016-03-14 | 2016-03-14 | Self -supporting protective structure suitable for simply supported girder bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195886.4U CN205443962U (en) | 2016-03-14 | 2016-03-14 | Self -supporting protective structure suitable for simply supported girder bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205443962U true CN205443962U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620195886.4U Expired - Fee Related CN205443962U (en) | 2016-03-14 | 2016-03-14 | Self -supporting protective structure suitable for simply supported girder bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205443962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858928A (en) * | 2017-11-02 | 2018-03-30 | 中建路桥集团有限公司 | Road and bridge enlarging construction cross-line safeguard structure and its construction method |
| CN109385959A (en) * | 2018-12-13 | 2019-02-26 | 西南交通建设集团股份有限公司 | Anti-collision wall construction platform |
-
2016
- 2016-03-14 CN CN201620195886.4U patent/CN205443962U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107858928A (en) * | 2017-11-02 | 2018-03-30 | 中建路桥集团有限公司 | Road and bridge enlarging construction cross-line safeguard structure and its construction method |
| CN109385959A (en) * | 2018-12-13 | 2019-02-26 | 西南交通建设集团股份有限公司 | Anti-collision wall construction platform |
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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: 20160810 Termination date: 20210314 |