CN207452680U - A kind of curve chord steel truss is put more energy into continuous beam - Google Patents
A kind of curve chord steel truss is put more energy into continuous beam Download PDFInfo
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- CN207452680U CN207452680U CN201721362490.5U CN201721362490U CN207452680U CN 207452680 U CN207452680 U CN 207452680U CN 201721362490 U CN201721362490 U CN 201721362490U CN 207452680 U CN207452680 U CN 207452680U
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Abstract
It puts more energy into continuous beam the utility model discloses a kind of curve chord steel truss, the girder superstructure includes steel truss structure and main beam structure, the steel truss structure, main beam structure are connected by steel truss node, the steel truss structure includes top boom, web member, the top boom both ends are end chord member, and the end chord member is for curve chord formula or to roll over for musical form.The large span curve chord steel truss of the utility model is put more energy into continuous beam, and girder building height is small, can further reduce bridge height, and visual effect is slim and graceful；Overall modern design, grace, landscape are good；Dead load is lighter；Girder is vertically crept, and control is relatively reliable, vertical temperature deformation is small；System does not have axially temperature stress so as to be limited from pier is high.The utility model can overcome large-span continuous beam from it is great, on build the limitations such as height is high, time deformation is big.Rational in infrastructure, the modern design, grace of the utility model, it is highly practical, there is wide application prospect.
Description
Technical field
The utility model is related to a kind of bridge Oil pipelines, and in particular to a kind of curve chord steel truss is put more energy into continuous beam.
Background technology
Bridge span uses prestressed concrete continuous beam more between 30 ~ 150m at this stage, when span continues to increase,
It is less that beam type may be selected, and have its shortcoming.
If using prestressed concrete continuous beam, girder is very high, is difficult to control from great, time deformation；According to
Prestressed concrete rigid frame-continuous girder, Forces are difficult to discharge and cause structural internal force excessive when pier height is shorter；According to arch
Put more energy into prestressed concrete continuous beam, there are arch rib from the vertical temperature deformation of great, structure it is larger the problems such as；Using steel structural bridge
Beam, then cost is excessively high, later maintenance workload is huge.
The content of the invention
The utility model for solve the problems, such as it is existing in the prior art propose, the purpose is to provide a kind of curve chord steel truss to put more energy into
Continuous beam.
The technical solution of the utility model is：A kind of curve chord steel truss is put more energy into continuous beam, and the girder superstructure includes steel
Purlin structure and main beam structure, the steel truss structure, main beam structure are connected by steel truss node, and the steel truss structure includes winding up
Bar, web member, the top boom both ends are end chord member, and the end chord member is for curve chord formula or to roll over for musical form.
The main beam structure is continuous structure.
The main beam structure includes two end bays, one or more mid-spans.
The end bay, mid-span are put more energy into using steel truss structure.
The main beam structure lower part is provided with substructure, and the substructure is included in middle pier, abutment pier, support in pier
Pier cushion cap, the abutment pier cushion cap for supporting abutment pier.
The abutment pier and abutment pier cushion cap are arranged on the beam-ends of main beam structure, and the Zhong Dun and middle pier cushion cap are arranged on mid-span branch
At point.
The steel truss structure for fraction steel truss structure again, without cross bar again fraction steel truss structure, without montant trigonometric expression steel truss knot
Structure has montant trigonometric expression steel truss structure, Hua Lunshi steel truss structures.
The main beam structure is prestressed concrete continuous beam or steel continuous beam.
When the main beam structure is prestressed concrete continuous beam, main beam structure uses box beam, trough girder or T beams, described
Box section is single box single chamber, single-box multi-cell or more case multicell sections.
The end bay span is 20 ~ 200m, and mid-span span is 30 ~ 300m.
The large span curve chord steel truss of the utility model is put more energy into continuous beam, and girder building height is small, can further reduce bridge height,
And visual effect is slim and graceful；Overall modern design, grace, landscape are good；Dead load is lighter；Girder vertically creeps control more
Reliably, vertical temperature deformation is small；System does not have axially temperature stress so as to be limited from pier is high.
The utility model can overcome large-span continuous beam from it is great, on build the limitations such as height is high, time deformation is big.This reality
It is highly practical with new rational in infrastructure, modern design, grace, there is wide application prospect.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is that steel truss structure is the schematic diagram of fraction steel truss structure again in the utility model；
Fig. 3 is that steel truss structure is the schematic diagram of no cross bar fraction steel truss structure again in the utility model；
Fig. 4 is that steel truss structure is the schematic diagram of no montant trigonometric expression steel truss structure in the utility model；
Fig. 5 is that steel truss structure is the schematic diagram for having montant trigonometric expression steel truss structure in the utility model；
Fig. 6 is the schematic diagram that steel truss structure is Hua Lunshi steel truss structures in the utility model；
Fig. 7 is the schematic diagram of the utility model middle girder structure；
Wherein：
1 steel truss structure, 2 main beam structure
Pier in 3 steel truss nodes 4
Pier cushion cap in 5 abutment piers 6
7 abutment pier cushion caps
1-1 ends chord member 1-2 top booms
1-3 web members
2-1 mid-span 2-2 end bays.
Specific embodiment
Hereinafter, the utility model is described in detail with embodiment referring to the drawings：
As shown in Fig. 1 ~ 7, a kind of curve chord steel truss is put more energy into continuous beam, and the girder superstructure includes steel truss structure 1 and main
Girder construction 2, the steel truss structure 1, main beam structure 2 are connected by steel truss node 3, the steel truss structure 1 include top boom 1-2,
Web member 1-3, the top boom 1-2 both ends are end chord member 1-1, and the end chord member 1-1 is for curve chord formula or to roll over for musical form.
The loading characteristic of arch is showed in the end chord member 1-1 structures, is disperseed simultaneously with web member 1-3 in the utility model
The stress of chord member 1-1 is held, reduces end chord member 1-1 and girder connecting node design difficulty, avoids end chord member 1-1 constructions excessively thick
Weight makes structural modeling novel graceful, reasonable stress.
The main beam structure 2 is continuous structure.
The main beam structure 2 includes two end bay 2-2, one or more mid-span 2-1.During the mid-span 2-1 quantity determines
The quantity of pier 4, middle pier cushion cap 6.
The end bay 2-2, mid-span 2-1 are put more energy into using steel truss structure 1.
2 lower part of main beam structure is provided with substructure, and the substructure includes pier 4 in middle pier 4, abutment pier 5, support
Middle pier cushion cap 6, support abutment pier 5 abutment pier cushion cap 7.
The abutment pier 5 and abutment pier cushion cap 7 are arranged on the beam-ends of main beam structure 2, and the middle pier 4 and middle pier cushion cap 6 are arranged on
At mid-span 2-1 fulcrums.
Each one group of abutment pier 5 in both ends, the abutment pier cushion cap 7 of the main beam structure 2.The quantity of the middle pier 4 and middle pier cushion cap 6 by
Mid-span 2-1 quantity determines.
The steel truss structure 1 for fraction steel truss structure again, without cross bar again fraction steel truss structure, without montant trigonometric expression steel truss knot
Structure has montant trigonometric expression steel truss structure, Hua Lunshi steel truss structures.
Steel truss structure 1 in the utility model can be, but not limited to above-mentioned several.
The main beam structure 2 is prestressed concrete continuous beam or steel continuous beam.
When the main beam structure 2 is prestressed concrete continuous beam, main beam structure 2 is using box beam, trough girder or T beams, institute
Box section is stated as single box single chamber, single-box multi-cell or more case multicell sections.
The end bay 2-2 spans are 20 ~ 200m, and mid-span 2-1 spans are 30 ~ 300m.
The large span curve chord steel truss of the utility model is put more energy into continuous beam, and girder building height is small, can further reduce bridge height,
And visual effect is slim and graceful；Overall modern design, grace, landscape are good；Dead load is lighter；Girder vertically creeps control more
Reliably, vertical temperature deformation is small；System does not have axially temperature stress so as to be limited from pier is high.
The utility model can overcome large-span continuous beam from it is great, on build the limitations such as height is high, time deformation is big.This reality
It is highly practical with new rational in infrastructure, modern design, grace, there is wide application prospect.
Claims (10)
- The continuous beam 1. a kind of curve chord steel truss is put more energy into, including girder, it is characterised in that：The girder superstructure includes steel truss structure （1）And main beam structure（2）, the steel truss structure（1）, main beam structure（2）Pass through steel truss node（3）Connection, the steel truss structure （1）Including top boom（1-2）, web member（1-3）, the top boom（1-2）Both ends are end chord member（1-1）, the end chord member（1-1） For curve chord formula or to roll over for musical form.
- The continuous beam 2. a kind of curve chord steel truss according to claim 1 is put more energy into, it is characterised in that：The main beam structure（2）For Continuous structure.
- The continuous beam 3. a kind of curve chord steel truss according to claim 1 is put more energy into, it is characterised in that：The main beam structure（2）Bag Include two end bays（2-2）, one or more mid-span（2-1）.
- The continuous beam 4. a kind of curve chord steel truss according to claim 3 is put more energy into, it is characterised in that：The end bay（2-2）, mid-span （2-1）Use steel truss structure（1）It puts more energy into.
- The continuous beam 5. a kind of curve chord steel truss according to claim 3 is put more energy into, it is characterised in that：The main beam structure（2）Under Portion is provided with substructure, and the substructure includes middle pier（4）, abutment pier（5）, pier in support（4）Middle pier cushion cap（6）, branch Support abutment pier（5）Abutment pier cushion cap（7）.
- The continuous beam 6. a kind of curve chord steel truss according to claim 5 is put more energy into, it is characterised in that：The abutment pier（5）And abutment pier Cushion cap（7）It is arranged on main beam structure（2）Beam-ends, the middle pier（4）And middle pier cushion cap（6）It is arranged on mid-span（2-1）At fulcrum.
- The continuous beam 7. a kind of curve chord steel truss according to claim 1 is put more energy into, it is characterised in that：The steel truss structure（1）For Again fraction steel truss structure, without cross bar again fraction steel truss structure, without montant trigonometric expression steel truss structure, have montant trigonometric expression steel truss knot Structure, Hua Lunshi steel truss structures.
- The continuous beam 8. a kind of curve chord steel truss according to claim 1 is put more energy into, it is characterised in that：The main beam structure（2）For Prestressed concrete continuous beam or steel continuous beam.
- The continuous beam 9. a kind of curve chord steel truss according to claim 8 is put more energy into, it is characterised in that：The main beam structure（2）For During prestressed concrete continuous beam, main beam structure（2）Using box beam, trough girder or T beams, the box section is single box single chamber, Single-box multi-cell or more case multicell sections.
- The continuous beam 10. a kind of curve chord steel truss according to claim 3 is put more energy into, it is characterised in that：The end bay（2-2）Span For 20 ~ 200m, mid-span（2-1）Span is 30 ~ 300m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362490.5U CN207452680U (en) | 2017-10-23 | 2017-10-23 | A kind of curve chord steel truss is put more energy into continuous beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362490.5U CN207452680U (en) | 2017-10-23 | 2017-10-23 | A kind of curve chord steel truss is put more energy into continuous beam |
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| Publication Number | Publication Date |
|---|---|
| CN207452680U true CN207452680U (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721362490.5U Active CN207452680U (en) | 2017-10-23 | 2017-10-23 | A kind of curve chord steel truss is put more energy into continuous beam |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740338A (en) * | 2017-10-23 | 2018-02-27 | 中国铁路设计集团有限公司 | Curve chord steel truss is put more energy into continuous beam |
| CN113139993A (en) * | 2021-06-22 | 2021-07-20 | 中铁大桥科学研究院有限公司 | Intelligent identification method for ultra-wide and ultra-large bridge-crossing linear data |
-
2017
- 2017-10-23 CN CN201721362490.5U patent/CN207452680U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107740338A (en) * | 2017-10-23 | 2018-02-27 | 中国铁路设计集团有限公司 | Curve chord steel truss is put more energy into continuous beam |
| CN113139993A (en) * | 2021-06-22 | 2021-07-20 | 中铁大桥科学研究院有限公司 | Intelligent identification method for ultra-wide and ultra-large bridge-crossing linear data |
| CN113139993B (en) * | 2021-06-22 | 2021-12-14 | 中铁大桥科学研究院有限公司 | Intelligent identification method for bridge linear data |
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