CN204551222U - A kind of Novel inclined drag-line bridge construction for hydraulic engineering - Google Patents
A kind of Novel inclined drag-line bridge construction for hydraulic engineering Download PDFInfo
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- CN204551222U CN204551222U CN201520059966.2U CN201520059966U CN204551222U CN 204551222 U CN204551222 U CN 204551222U CN 201520059966 U CN201520059966 U CN 201520059966U CN 204551222 U CN204551222 U CN 204551222U
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- bridge
- bridge pier
- pier
- suspension cable
- floor
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Abstract
The utility model discloses a kind of Novel inclined drag-line bridge construction for hydraulic engineering, bridge floor is positioned at above water route, and bridge floor is by bridge tower frame supports, and bridge tower framework upwards extends along bridge pier, and bridge pier extends in water; Bridge pier is the hollow circular cylinder be made up of steel concrete, comprises footing portion, and in embedding riverbed, the bottom silt of footing portion, top extends along waterline or exceeds waterline; Bridge pier is in suspension cable bridge supported underneath bridge; Bridge floor is hung up by multiple suspension cable; Buffer bar is arranged around bridge pier, comprises raft, is attached to bridge pier with multiple flexible connector; Raft is polygon platform; Bridge pier comprises the lock chamber of at least one hollow; The inwall of lock chamber is coated with water-resistant liner, foam of polymers or air bag; Stake extends along bridge pier to basement rock; Lock chamber is pumped into by water or pumps the buoyancy reached needed for bridge pier.
Description
Technical field
The utility model relates to bridge, particularly relates to the stayed-cable bridge girder construction for hydraulic engineering aspect.
Background technology
Design and the large bridge Structural Engineering of building as suspension bridge and suspension cable bridge, the problem run into when building construction is many-sided.First, bridge construction must have enough intensity, for supporting self design load as flow etc.; Secondly, bridge also will bear the surrounding environment load from installing, and such as, comprises wind, other dynamic fluid load or potential seismic (seismal etc.Usually, bridge construction, when designing, must be designed to provide necessary rigidity, to react certain Design cooling load, and have certain flexibility, can not produce bust to bear the load of other designs.In addition, the aim of bridge structure design normally uses as permanent structure, therefore, needs a kind of guarantee As time goes on badly, the bridge construction that the strength and stability of bridge does not change.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of Novel inclined drag-line bridge construction for hydraulic engineering, solves As time goes on, the technical problem that the strength and stability of bridge changes.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of Novel inclined drag-line bridge construction for hydraulic engineering, suspension cable bridge is arranged in the water route in riverbed, comprise bridge floor, bridge tower framework, bridge pier, buffer bar and connector, bridge pier comprises lock chamber, stake and footing portion, bridge floor is positioned at above water route, and the distance of distance waterline will ensure that marine vehicles can pass through below suspension cable bridge; Bridge floor is supported by one or more bridge tower framework, and bridge floor is positioned at suspension cable on bridge floor is hung up by multiple, suspension cable from bridge tower framework to bridge floor by stretching for suspension cable bridge in suspension status; The lower end of bridge tower framework is connected with bridge pier, and the upper end of bridge tower framework extends along bridge pier heavenwards through bridge floor; Bridge pier is provided with altogether two, is symmetrically distributed in below suspension cable bridge, for supporting suspension cable bridge; Bridge pier is the Caisson type Structure that bottom opens, and comprises two footing portion be symmetrically distributed in outside bridge pier, and footing portion embeds in the silt in riverbed.
Bridge pier sinks along riverbed to waterline direction to downward-extension, each bridge pier comprises the lock chamber of at least one hollow, lock chamber is filled by air or is filled by lightweight polymer foams or similar item at least partly, there is provided bridge pier buoyancy upwards with this, make the riverbed as navigation channel need not bear the immense strength applied from suspension cable bridge; The inwall of lock chamber is covered with water-resistant liner, foam of polymers or air bag, immerses and damage bridge pier to prevent water; Buffer bar is symmetrical arranged around bridge pier, comprises a ring-type raft, and raft is attached on bridge pier by multiple connector and is evenly provided with multiple around bridge pier; Described connector is stressed scalable, to cushion the impact suffered by raft; Prevent various marine communication means from producing impact load because accidentally bumping against buffer bar to bridge pier; In addition, buffer bar not only can prevent boats and ships, floating thing and similar item by during drag-line bridge to the potential damage that bridge pier collides, and the raft that buffer bar comprises can also use as the platform of various activity; Raft is polygon platform, is used for receiving or docking boats and ships; Stake extends in basement rock along bridge pier, and as preferably, stake and basement rock or the material more stable than riverbed engage.
Bridge pier is hollow circular cylinder, is made up of steel concrete; In the embedding riverbed, bottom of each footing portion, top extends along waterline or exceeds waterline, and footing portion has at least part to be filled by the deposit of construction ground; The net buoyancy that bridge pier produces approximates the weight of the water produced by bridge pier displacement, and this net buoyancy is less than the weight of bridge pier itself, and direction vertically upward; The part in the footing portion embedding riverbed of bridge pier preferably fills the deposit of bridge pier displacement; Therefore substantially can not increase buoyancy makes bridge pier move, and then firm suspension cable bridge.
The superstructure weight of suspension cable bridge can be offset by the buoyancy of fundamental sum on bridge pier, makes these powerful strength from suspension cable bridge and bridge pier can not cause very large impact to riverbed; The buoyancy produced due to bridge pier size Selection approximates the moiety by weight of drag-line bridge, and thus bridge pier supports this part weight.Net buoyancy at least supports 80% or 90% of suspension cable bridge weight, is the nominal design load of described bridge pier; Lock chamber pumps into by water or pumps the buoyancy reached needed for bridge pier, and therefore, the large I of this buoyancy is aspirated by pump and controlled.
Bridge pier structure can be prefabricated, and bridge pier has enough buoyancy and can float, and is then drawn to desired location in place; Pump, valve or other device is used to be transferred to by water in bridge pier until bridge pier has net buoyancy; Then bridge pier is directed in riverbed in place, and use hydraulic pressure foundation ditch method, embedded by bridge pier in riverbed, deposit occupies a part for bridge pier internal volume; Pump access footing portion, can apply hydraulic moving and be positioned at deposit immediately below footing portion.There is Single port contiguous footing portion upper end, so that Parts of deposits is discharged from footing portion.Once bridge pier in place after, or period in place can build the superstructure of drag-line bridge, the bridge superstructure part particularly supported by bridge pier, water is pumped out bridge pier, air, other gases or light material such as foam of polymers is used to fill lock chamber, make the superstructure weight substantially offsetting bridge to buoyancy of described bridge pier, but do not have enough buoyancy to offset the weight of deposit ballast in the footing portion of bridge pier, thus fix suspension cable bridge.
As time goes on the utility model solves bridge, the instability problem that the strength and stability of bridge changes, and adapts to be installed on many river mouths, facilitates traffic, is also suitable for the riverbed that the deposit of bed mud is more tiny.There is very strong practicality.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram.
Wherein: riverbed 91, water route 92, waterline 93, basement rock 94, cable stayed bridge 100, bridge tower framework 102, lock chamber 103, bridge pier 104, footing portion 106, bridge pier 107, suspension cable 108, bridge floor 110, buffer bar 130, raft 132, connector 134.
Fig. 2 is the utility model lateral view.
Wherein: riverbed 91, water route 92, basement rock 94, cable stayed bridge 100, bridge tower framework 102, lock chamber 103, bridge pier 104, footing portion 106, stake 107, suspension cable 108, bridge floor 110.
Fig. 3 is the utility model front view.
Wherein: riverbed 91, water route 92, basement rock 94, cable stayed bridge 100, bridge tower framework 102, bridge pier 104, footing portion 106, stake 107, suspension cable 108, bridge floor 110.
Detailed description of the invention
Below in conjunction with the embodiment described by accompanying drawing, the utility model is described in further detail.
A kind of Novel inclined drag-line bridge construction for hydraulic engineering as shown in Figure 1, suspension cable bridge 100 is arranged in the water route 92 in riverbed 91, comprise bridge floor 110, bridge tower framework 102, bridge pier 104, buffer bar 130 and connector 134, bridge pier 104 comprises lock chamber 103, stake 107 and footing portion 106, and buffer bar 130 comprises raft 132.
Bridge floor 110 is positioned at above water route 92, and distance waterline 93 has enough distances, to ensure that marine vehicles can pass through below suspension cable bridge 100; Bridge floor 110 is supported by one or more bridge tower framework 102, and bridge floor 110 is hung up by multiple suspension cable 108 be positioned on bridge floor 110, suspension cable 108 from bridge tower framework 102 to bridge floor 110 by stretching for suspension cable bridge 100 in suspension status; The lower end of bridge tower framework 102 is connected with bridge pier 104, and the upper end of bridge tower framework 102 extends along bridge pier 104 heavenwards through bridge floor 110; Bridge pier 104 is provided with altogether two, is symmetrically distributed in below suspension cable bridge 100, for supporting suspension cable bridge 100; The Caisson type Structure that bridge pier 104 opens for bottom, comprise two footing portion 106 be symmetrically distributed in outside bridge pier 104, footing portion 106 embeds in the silt in riverbed 91.
Bridge pier 104 is along riverbed 91 to waterline 93 direction to downward-extension and sink, each bridge pier 104 comprises the lock chamber 103 of at least one hollow, lock chamber 103 is filled by air or is filled by lightweight polymer foams or similar item at least partly, there is provided bridge pier 104 buoyancy upwards with this, make the riverbed 91 as navigation channel need not bear the immense strength applied from suspension cable bridge 100; The inwall of lock chamber 103 is covered with water-resistant liner, foam of polymers or air bag, immerses and damage bridge pier 104 to prevent water; Buffer bar 130 is symmetrical arranged around bridge pier 104, comprise a ring-type raft 132, raft 132 is attached on bridge pier 104 by multiple connector 134, connector 134 is scalable, all directions along bridge pier 104 are arranged, serving as the damper of bridge pier 104, preventing various marine communication means from producing impact load because accidentally bumping against buffer bar 130 to bridge pier 104; In addition, buffer bar 130 not only can prevent boats and ships, floating thing and similar item by during drag-line bridge 100 to the potential damage that bridge pier 104 collides, and the raft 132 that buffer bar 130 comprises can also use as the platform of various activity; Such as, can be used for suspension cable bridge 100 or its bracing frame execution routine inspection, or for carrying out the activity that other not immediately relate to suspension cable bridge 100, such as river mouth monitoring project, recreation, or similar item is movable; Raft 132 is polygonal flat shape, as octagon, is used for receiving or docking boats and ships; Stake 107 extends in basement rock 94 along bridge pier 104, and as preferably, stake 107 and basement rock 94 or the material more stable than riverbed 91 engage.
Figure 2 shows that the lateral view of suspension cable bridge 100, Figure 3 shows that the partial front elevation view of drag-line bridge 100, Fig. 2 and Fig. 3 be suspension cable bridge 100 remove buffer bar 130 and bridge floor 110 after drag-line bridge 100 simplify view.As shown in Figures 2 and 3, bridge pier 104 is hollow circular cylinder, is made up of steel concrete; In the embedding riverbed, bottom 91 of each footing portion 106, top extends along waterline 93 or exceeds waterline 93, and footing portion 106 has at least part to be filled by the deposit of construction ground; The net buoyancy that bridge pier 104 produces approximates and to be shifted the weight of water produced by bridge pier 104, and this net buoyancy is less than the weight of bridge pier 104 itself, and direction vertically upward; The part that the footing portion 106 of bridge pier 104 embeds riverbed 91 preferably fills the deposit that bridge pier 104 is shifted; Therefore substantially can not increase buoyancy makes bridge pier 104 move, and then firm suspension cable bridge 100.
The superstructure weight of suspension cable bridge 110 can be offset by the buoyancy of fundamental sum on bridge pier 104, makes these powerful strength from suspension cable bridge 110 and bridge pier 104 can not cause very large impact to riverbed 91; The buoyancy produced due to bridge pier 104 size Selection approximates the moiety by weight of drag-line bridge 100, and thus bridge pier 104 supports this part weight.Net buoyancy at least supports 80% or 90% of suspension cable bridge 100 weight, is the nominal design load of described bridge pier 104; Lock chamber 103 pumps into by water or pumps the buoyancy reached needed for bridge pier 104, and therefore, the large I of this buoyancy is aspirated by pump and controlled.
Bridge pier 104 structure can be prefabricated, and bridge pier 104 has enough buoyancy and can float, and is then drawn to desired location in place; Pump, valve or other device is used to be transferred to by water in bridge pier 104 until bridge pier 104 has net buoyancy; Then bridge pier 104 is directed in riverbed 91 in place, and use hydraulic pressure foundation ditch method, embedded by bridge pier 104 in riverbed 91, deposit occupies a part for bridge pier 104 internal volume; Pump access footing portion 106, can apply hydraulic moving and be positioned at deposit immediately below footing portion 106.There is Single port (not shown) contiguous footing portion 106 upper end, so that Parts of deposits is discharged from footing portion 106.Once bridge pier 104 in place after, or period in place can build the superstructure of drag-line bridge 100, the bridge superstructure part particularly supported by bridge pier 104, water is pumped out bridge pier 104, air, other gases or light material such as foam of polymers is used to fill lock chamber 103, make the superstructure weight substantially offsetting bridge 100 to buoyancy of described bridge pier 104, but do not have enough buoyancy to offset the weight of deposit ballast in the footing portion 106 of bridge pier 104, thus fix suspension cable bridge 100.
The utility model solves the instability problem that bridge causes because bridge pier is floating, adapts to be installed on many river mouths, facilitates traffic, is also suitable for the riverbed that the deposit of bed mud is more tiny.There is very strong practicality.
Claims (2)
1. the Novel inclined drag-line bridge construction for hydraulic engineering, it is characterized in that: comprise bridge floor, bridge tower framework, bridge pier, buffer bar and connector, bridge pier comprises lock chamber, stake and footing portion, bridge floor is positioned at above water route, the distance of distance waterline will ensure that marine vehicles can pass through below suspension cable bridge, bridge floor is supported by bridge tower framework, and bridge floor is positioned at suspension cable on bridge floor is hung up by multiple, suspension cable from bridge tower framework to bridge floor by stretching for suspension cable bridge in suspension status; The lower end of bridge tower framework is connected with bridge pier, and the upper end of bridge tower framework extends along bridge pier heavenwards through bridge floor; Described bridge pier is provided with altogether two, is symmetrically distributed in below suspension cable bridge, and to support suspension cable bridge, bridge pier is the Caisson type Structure that bottom opens; Described footing portion is symmetrically distributed in the outside of bridge pier and embeds in the silt in riverbed, and a part for footing portion is filled by the deposit of construction ground, with firm suspension cable bridge; Described bridge pier along riverbed to waterline direction to downward-extension and sink, each bridge pier comprises the lock chamber of at least one hollow, and lock chamber is filled by air or filled by lightweight polymer foams at least partly; The inwall of described lock chamber is coated with water-resistant liner, foam of polymers or air bag; Described buffer bar is symmetrical arranged around bridge pier, comprises the raft of ring-type, and raft is attached on bridge pier by multiple connector, is evenly provided with multiple around bridge pier; Described connector is stressed scalable, to cushion the impact suffered by raft; Described raft is polygon platform, to receive or to dock boats and ships; Described stake extends downwards along bridge pier and engages with basement rock in basement rock.
2. a kind of Novel inclined drag-line bridge construction for hydraulic engineering according to claim 1, it is characterized in that: described bridge pier is hollow circular cylinder, is by the bridge pier of reinforced concrete support; There is Single port the upper end of described footing portion, so that deposit discharges from footing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059966.2U CN204551222U (en) | 2015-01-28 | 2015-01-28 | A kind of Novel inclined drag-line bridge construction for hydraulic engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520059966.2U CN204551222U (en) | 2015-01-28 | 2015-01-28 | A kind of Novel inclined drag-line bridge construction for hydraulic engineering |
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| CN204551222U true CN204551222U (en) | 2015-08-12 |
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| CN201520059966.2U Expired - Fee Related CN204551222U (en) | 2015-01-28 | 2015-01-28 | A kind of Novel inclined drag-line bridge construction for hydraulic engineering |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127269A (en) * | 2020-09-28 | 2020-12-25 | 徐兰萍 | Device for floating pier in water |
-
2015
- 2015-01-28 CN CN201520059966.2U patent/CN204551222U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112127269A (en) * | 2020-09-28 | 2020-12-25 | 徐兰萍 | Device for floating pier in water |
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| 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 |
Granted publication date: 20150812 Termination date: 20160128 |
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| EXPY | Termination of patent right or utility model |