CN108330812A - Using the cable-stayed bridge of revolution drag-line in the same direction - Google Patents
Using the cable-stayed bridge of revolution drag-line in the same direction Download PDFInfo
- Publication number
- CN108330812A CN108330812A CN201810259383.2A CN201810259383A CN108330812A CN 108330812 A CN108330812 A CN 108330812A CN 201810259383 A CN201810259383 A CN 201810259383A CN 108330812 A CN108330812 A CN 108330812A
- Authority
- CN
- China
- Prior art keywords
- drag
- line
- saddle
- sarasota
- cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims abstract description 20
- 239000004570 mortar (masonry) Substances 0.000 claims abstract description 8
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- 230000010412 perfusion Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000010410 reperfusion Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920006334 epoxy coating Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D11/00—Suspension or cable-stayed bridges
- E01D11/04—Cable-stayed bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to the cable-stayed bridges using revolution drag-line in the same direction, including girder, Sarasota, drag-line, the Sarasota is arranged on girder, it is arranged in pairs saddle on the Sarasota, the saddle being arranged in pairs is in encircle arranged crosswise using Sarasota center line as axis, the saddle on Sarasota is passed through in the middle part of the drag-line, both ends are anchored in the middle part of the girder of Sarasota the same side.Compared with prior art, the present invention feature that big, stroke is grown using drag-line bending section drift angle, for saddle using sub-wire pipe along journey method of clamping anchor cable, drag-line does not bond the measure of drag-line still further without sliding using perfusion epoxy resin mortar between saddle and drag-line.The present invention has the characteristics that the drag-line application pattern of standard, relatively-stationary Sarasota application range, different from traditional stayed structure using the cable-stayed bridge of revolution drag-line in the same direction.
Description
Technical field
The present invention relates to cable-stayed bridges, more particularly, to the cable-stayed bridge using revolution drag-line in the same direction.
Background technology
Long span stayed-cable bridge generally uses concrete box shaped Sarasota to obtain higher bearing capacity, but as how simply having
The mode of effect realizes the safe anchor cable of box-shaped Sarasota, is always international bridge circle issues that need special attention and problem.In the past 30 years,
People successively develop the prestressed constructions around tower wall, can be with steel anchor box in the Sarasota of balance portion pulling force and steel anchor beam knot
Structure, it is not only complicated, but also the phenomenon that tower wall crack in tension still when have disclosure.Analyze reason, be above-mentioned technology not from
Fundamentally change the structure construction and operation principle of Sarasota anchor cable.
Chinese patent CN103061245A discloses the cable-stayed bridge with revolution guy system in the same direction.Including main span girder,
The top of end bay girder, bridge tower and suspension cable, bridge tower is equipped with saddle；Saddle includes main span saddle and end bay saddle, and is set in pairs
It sets, the main span saddle and end bay saddle being arranged in pairs are in encircle arranged crosswise using bridge tower center line as axis on bridge tower；Suspension cable
Including main span suspension cable and end bay suspension cable, Suo Li is transmitted to Sarasota in the form of radial pressure, staggeredly turns round guy system in the same direction
It not only avoids and generates pulling force in Sarasota, and instead of former king-post ring orientation prestress, realize structure on force-mechanism
Fundamental change；Since the rope force difference of same section drag-line is only formed by the unbalance loading of mobile load, rope force difference is smaller, turns round drag-line in the same direction
System dexterously avoids the limitation that hawser force difference problem uses saddle；It is drawn with anchor on steel girder and concrete girder
The form of plate anchors, and can construct more convenient in the above tensioning of bridge floor.It further specifies and realizes cable tower saddle resistant slide anchor cable
Principle and mode.
As above drag-line solution is turned round in the same direction, breaches Traditional Thinking, and drag-line is continuously bypassed into king-post, it is same in Sarasota
It is anchored on the girder of side, becomes the tower wall pulling force of Sarasota anchor cable generation into circumferential pressure, to fundamentally solve the anchor cable of Sarasota
Problem of Cracking.But scheme, which only specifies, realizes principle and mode of the Sarasota tower wall without tensile stress anchor cable, and scheme becomes practical and shape
At propagable technology, technically also need solution structure stress, drag-line positioning, tower adaptation, system support etc. are a series of to ask
Specifically how topic simply and effectively realizes that drag-line being anchored without sliding on Sarasota is wherein suddenly to wait answering in a uniform manner
The problem of.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide using revolution drag-line in the same direction
Cable-stayed bridge.
The purpose of the present invention can be achieved through the following technical solutions：
Using the cable-stayed bridge of revolution drag-line in the same direction, including girder, Sarasota, drag-line, the Sarasota is arranged on girder, described
Saddle is arranged in pairs on Sarasota, the saddle being arranged in pairs is in encircle arranged crosswise using Sarasota center line as axis, in the drag-line
Portion passes through the saddle on Sarasota, both ends to be anchored on the girder of Sarasota the same side, and the anchor-hold is in the middle part of girder, anchoring
Point lateral distance is only limited by anchoring structure, and minimum takes 0.5m；The drag-line pass through Sarasota bending section bias angle theta=1.0~
1.05 π, π=180 °, length of curve S=R × θ, R are drag-line bending radius, and R=400d, d are drag-line steel strand wires individual wire
Diameter.
In the present invention, drag-line passes through the bending section drift angle of Sarasota big, and curve is long.
Since the drag-line both ends are anchored in the middle part of girder, two anchor point lateral distances are small, generated by girder torsion effect
Drag-line out-of-balance force it is small, generally below 45MPa.
The saddle bending section is corresponding with the drag-line bending section, and drift angle is big, curve is long, by drag-line diameter on bending section
Big to the frictional force range between the saddle and drag-line of reservation for pressure, frictional resistance anchor cable stroke length, the function of saddle are strong, and formation is different from
Previous disclosed saddle anchor cable feature.
What is actually occurred between saddle and drag-line resists the ranging from frictional resistance anchor of the frictional force of saddle both ends drag-line out-of-balance force
Suo Hangcheng, to have regular parameter.Small spanning end is reversed in girder, drag-line out-of-balance force is small, frictional resistance anchor cable stroke
It is corresponding small；It is reversed in girder in the middle part of big spanning, drag-line out-of-balance force is big, and frictional resistance anchor cable stroke is accordingly big；Drag-line out-of-balance force
When increasing to frictional resistance anchor cable stroke and reaching the bending segment length of saddle, saddle frictional resistance anchor cable function reaches maximum.
The anchor cable is in such a way that saddle is contacted with the corresponding sub-wire of drag-line, the bending of 2m minor radius, 350MPa/m high pressures
It realizes.The saddle is using sub-wire pipe along journey method of clamping anchor cable.
The saddle peripheral hardware outer steel shell plate, inside sets stainless steel sub-wire pipe and sub-wire pipe steel positioning plate, stainless steel sub-wire pipe and
Filler material forming is perfused after being assembled in outer steel shell intralamellar part in sub-wire pipe steel positioning plate, and the steel strand wires strand of the drag-line is worn respectively
The stainless steel sub-wire pipe in saddle is crossed, frictional resistance anchor cable is realized with the friction sum between strand and sub-wire pipe.The stainless steel point
Fiber tube is using the pipe of low frictional resistance or the V-arrangement pipe of high frictional resistance.Without bonding the perfusion ring of drag-line between the saddle and drag-line
Oxygen mortar.
In the present invention, when the drag-line continuously bypasses Sarasota, king-post anchor cable area is in three dimension stress state, is symmetrically to set respectively
The drag-line set apply along the front and back opposite effect power in girder direction and downward active force, due to along girder direction
Front and back opposite effect power offsets, and therefore, king-post is only by down force, not by radial pulling force or pressure, structure safety
It is durable.
In an embodiment of the invention, the girder uses split type girder or monoblock type girder.
In the present invention, big using drag-line bending section drift angle, stroke length feature, saddle is using sub-wire pipe along journey method of clamping
Anchor cable, drag-line do not bond the measure of drag-line still further without sliding using perfusion epoxy resin mortar between saddle and drag-line.
The present invention is using the cable-stayed bridge of revolution drag-line in the same direction, drag-line application pattern, relatively-stationary Sarasota with standard
Application range, different from traditional stayed structure feature.
Compared with prior art, the present invention feature that big, stroke is grown using drag-line bending section drift angle, saddle use sub-wire pipe
Along journey method of clamping anchor cable, drag-line does not still further bond drag-line between saddle and drag-line without sliding using perfusion epoxy resin mortar
Measure.The present invention forms that the out-of-balance force that drag-line is generated by girder torsion is small, pass through Sarasota bending section drift angle is big, curve is long
System feature, the frictional force on bending section between the steel strand wires strand and saddle sub-wire pipe of drag-line can fully ensure that the frictional resistance of saddle
Anchor cable.
The present invention further specifies on the basis of realizing Sarasota tower wall without tensile stress anchor cable and realizes that cable tower saddle rubs entirely
Wipe the principle and mode of power anchor cable.Drag-line not only without sliding, between saddle and drag-line also not Reperfu- sion to mutually cohesive ring
Oxygen mortar.This has great importance to the popularization and application of new technology.
Description of the drawings
Fig. 1 is double limb single plane cable stayed bridge swinging guy system schematic diagrames of the present invention；
Fig. 2 is anchor cable principle schematic on the cable-stayed bridge swinging guy system tower of Fig. 1.
In figure：The bis- limb single plane cable stayed bridges of 1-；2- swinging drag-lines；3- open side type upper king-post strut Sarasotas；4- girders；5- saddles
6- drag-line bending sections.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1
Referring to Fig. 1, Fig. 2, the double limb single plane cable stayed bridges 1 of the only tower of Four-Lane Road 165m main span+85m end bays, the swinging of use
Guy system includes swinging drag-line 2, open side type upper king-post strut Sarasota 3, girder 4.In system, double limb single cable plane swinging drag-lines 2
Middle part passes through the saddle 5 in the upper king-post strut of open side type upper king-post strut Sarasota 3, is anchored in the middle part of Sarasota the same side girder 4.Double limb lists
Rope face swinging drag-line 2 uniformly takes 2.25m in two anchor point lateral distances of girder 4, passes through the drag-line bending section 6 of saddle 5
Radius R is 2.25m to main span side, is 2.75m to end bay side, and bias angle theta is 1~1.05 π.
Double limb single cable plane swinging drag-lines 2 are anchored in the middle part of girder 4, and two anchor point lateral distances are small, reversed by girder
It is small to influence the drag-line out-of-balance force generated, is 0~15MPa by spanning end to middle part, and is radially pressed by drag-line on drag-line bending section 6
It is big that frictional force range between the saddle and drag-line of power deposit but can reach 7~8m.This is provided for saddle 5 using frictional resistance anchor cable mode
It fully ensures that.
In Fig. 2, (A) figure is that traditional drag-line saddle anchors principle schematic, and (B) figure is swinging drag-line in the present embodiment
Saddle anchors principle schematic.
Wherein, saddle resistant slide safety coefficient is K, and friction coefficient is μ between drag-line and saddle, and the drag-line power at saddle both ends is
F1、F2, and F1＞ F2, then K=γ × θ, γ=μ/ln (F1/F2)。
In Fig. 2, on (A) figure or (B) figure, arrow indicates frictional resistance anchor cable stroke.
In structure, swinging drag-line 2 is made of 19~55 strands of epoxy coating strand strands, and saddle 5 is by outer steel shell plate, circle
Shape stainless steel sub-wire pipe, sub-wire pipe steel positioning plate and saddle filler material composition.When installation, the steel strand wires strand of swinging drag-line 2
The sub-wire pipe of corresponding saddle 5 is each passed through with the radius of minimum 2m, therebetween not Reperfu- sion epoxy resin mortar.In use, pressing strand
Friction coefficient 0.25, minimal-contact pressure 203MPa/m are calculated between sub-wire pipe, and saddle 5 carries out the resistant slide safety of frictional resistance anchor cable
Coefficient is 4 or more, and far more than 2.5, the frictional resistance anchor cable stroke of the saddle 5 actually occurred reaches far away 6 length of drag-line bending section
Half.
Drag-line is utilized in the present embodiment, and because girder reverses, the out-of-balance force generated is small, big across the bending section drift angle of Sarasota,
The feature of curve length is furthermore achieved the complete of cable tower saddle and rubs on the basis of realization Sarasota tower wall is without tensile stress anchor cable
Wipe power anchor cable.Saddle anchor cable definite principle, mode are simple, simple for structure, and drag-line is also no longer filled without sliding between saddle and drag-line
It notes to mutually cohesive epoxy resin mortar.This has great importance to the popularization and application of new technology.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be the present invention's
Within protection domain.
Claims (6)
1. using the cable-stayed bridge of revolution drag-line in the same direction, including girder, Sarasota, drag-line, the Sarasota are arranged on girder, the rope
Saddle is arranged in pairs on tower, the saddle being arranged in pairs is in encircle arranged crosswise using Sarasota center line as axis, in the middle part of the drag-line
Saddle on Sarasota, both ends are anchored on the girder of Sarasota the same side, which is characterized in that the anchor-hold is in girder
Middle part, anchor point lateral distance are only limited by anchoring structure, and minimum takes 0.5m；The drag-line passes through the bending section drift angle of Sarasota
The π of θ=1.0~1.05, length of curve S=R × θ, R are drag-line bending radius, and R=400d, d are drag-line steel strand wires individual wire
Diameter.
2. according to claim 1 using the cable-stayed bridge of revolution drag-line in the same direction, which is characterized in that actually sent out between saddle and drag-line
The ranging from frictional resistance anchor cable stroke of the raw frictional force for resisting saddle both ends drag-line out-of-balance force, to have regular parameter,
Small spanning end is reversed in girder, drag-line out-of-balance force is small, and frictional resistance anchor cable stroke is accordingly small；It is reversed in girder in big spanning
Portion, drag-line out-of-balance force is big, and frictional resistance anchor cable stroke is accordingly big；Drag-line out-of-balance force increases to frictional resistance anchor cable stroke and reaches saddle
When being bent segment length, saddle frictional resistance anchor cable function reaches maximum.
3. according to claim 1 using the cable-stayed bridge of revolution drag-line in the same direction, which is characterized in that the saddle peripheral hardware outer steel shell
Plate, inside sets stainless steel sub-wire pipe and sub-wire pipe steel positioning plate, and stainless steel sub-wire pipe and sub-wire pipe steel positioning plate are assembled in outer steel shell
Filler material forming is perfused after intralamellar part, the steel strand wires strand of the drag-line is each passed through the stainless steel sub-wire pipe in saddle, with
Friction sum between strand and sub-wire pipe realizes frictional resistance anchor cable.
4. according to claim 3 using the cable-stayed bridge of revolution drag-line in the same direction, which is characterized in that the stainless steel sub-wire pipe is adopted
With the pipe of low frictional resistance or the V-arrangement pipe of high frictional resistance.
5. the cable-stayed bridge according to claim 1 or claim 2 using revolution drag-line in the same direction, which is characterized in that the girder, which uses, to be divided
Body formula girder or monoblock type girder.
6. the cable-stayed bridge according to claim 1 or claim 2 using revolution drag-line in the same direction, which is characterized in that the saddle and drag-line
Between without bonding the perfusion epoxy resin mortar of drag-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259383.2A CN108330812A (en) | 2018-03-27 | 2018-03-27 | Using the cable-stayed bridge of revolution drag-line in the same direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810259383.2A CN108330812A (en) | 2018-03-27 | 2018-03-27 | Using the cable-stayed bridge of revolution drag-line in the same direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108330812A true CN108330812A (en) | 2018-07-27 |
Family
ID=62931678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810259383.2A Pending CN108330812A (en) | 2018-03-27 | 2018-03-27 | Using the cable-stayed bridge of revolution drag-line in the same direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108330812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775443A (en) * | 2022-05-20 | 2022-07-22 | 安徽省公路桥梁工程有限公司 | Small-radius equidirectional rotary saddle installation space positioning construction method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912727A (en) * | 2012-11-02 | 2013-02-06 | 江阴法尔胜住电新材料有限公司 | Partial extradosed bridge wire distributing pipe cable saddle capable of avoiding slipping of stranded wires of inclined stay cable |
| CN102995558A (en) * | 2012-12-25 | 2013-03-27 | 合肥斯派索材料科技有限公司 | Pulling-rope diverter for inclination of rope tower |
| CN103015319A (en) * | 2013-01-07 | 2013-04-03 | 合肥斯派索材料科技有限公司 | Raindrop-shaped stainless steel wire distribution pipe for stay cable steering device of cable-stayed bridge tower |
| CN103061245A (en) * | 2013-01-25 | 2013-04-24 | 安徽省交通投资集团有限责任公司 | Cable-stayed bridge with same-direction rotation stayed cable system |
| CN104099874A (en) * | 2014-07-28 | 2014-10-15 | 上海市城市建设设计研究总院 | Steel strand inhaul cable tension construction method by taking slip-resistant stud as locking device |
| CN105672130A (en) * | 2016-03-17 | 2016-06-15 | 安徽省交通规划设计研究总院股份有限公司 | Cable division pipe and inhaul cable combined piece thereof |
| CN107724226A (en) * | 2017-11-13 | 2018-02-23 | 安徽省交通控股集团有限公司 | Suspension cable suspension cable co-operative system bridge is turned round in a kind of four rope faces in the same direction |
| CN208039003U (en) * | 2018-03-27 | 2018-11-02 | 安徽省交通控股集团有限公司 | Using the cable-stayed bridge of revolution drag-line in the same direction |
-
2018
- 2018-03-27 CN CN201810259383.2A patent/CN108330812A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912727A (en) * | 2012-11-02 | 2013-02-06 | 江阴法尔胜住电新材料有限公司 | Partial extradosed bridge wire distributing pipe cable saddle capable of avoiding slipping of stranded wires of inclined stay cable |
| CN102995558A (en) * | 2012-12-25 | 2013-03-27 | 合肥斯派索材料科技有限公司 | Pulling-rope diverter for inclination of rope tower |
| CN103015319A (en) * | 2013-01-07 | 2013-04-03 | 合肥斯派索材料科技有限公司 | Raindrop-shaped stainless steel wire distribution pipe for stay cable steering device of cable-stayed bridge tower |
| CN103061245A (en) * | 2013-01-25 | 2013-04-24 | 安徽省交通投资集团有限责任公司 | Cable-stayed bridge with same-direction rotation stayed cable system |
| CN104099874A (en) * | 2014-07-28 | 2014-10-15 | 上海市城市建设设计研究总院 | Steel strand inhaul cable tension construction method by taking slip-resistant stud as locking device |
| CN105672130A (en) * | 2016-03-17 | 2016-06-15 | 安徽省交通规划设计研究总院股份有限公司 | Cable division pipe and inhaul cable combined piece thereof |
| CN107724226A (en) * | 2017-11-13 | 2018-02-23 | 安徽省交通控股集团有限公司 | Suspension cable suspension cable co-operative system bridge is turned round in a kind of four rope faces in the same direction |
| CN208039003U (en) * | 2018-03-27 | 2018-11-02 | 安徽省交通控股集团有限公司 | Using the cable-stayed bridge of revolution drag-line in the same direction |
Non-Patent Citations (3)
| Title |
|---|
| 刘士林: "《斜拉桥》", 31 August 2002, 人民交通出版社, pages: 31 * |
| 梅应华等: "芜湖长江公路二桥桥塔锚索系统性能研究", 《世界桥梁》 * |
| 赵可肖: "同向回转索塔锚固区受力性能数值分析", 《公路交通科技 (应用技术版)》》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114775443A (en) * | 2022-05-20 | 2022-07-22 | 安徽省公路桥梁工程有限公司 | Small-radius equidirectional rotary saddle installation space positioning construction method |
| CN114775443B (en) * | 2022-05-20 | 2024-02-13 | 安徽省公路桥梁工程有限公司 | Small-radius homodromous rotary saddle installation space positioning construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107386091B (en) | The suspension bridge and construction method of saddle paraboloid spatial mixing cable system | |
| CN104213507B (en) | High-damping composite stay cable based on carbon fibers and steel strands | |
| WO2021143647A1 (en) | Ultra-long steel strand threading construction method for continuous beam | |
| CN103292721A (en) | Fiber grating wide-range strain sensor for monitoring strain of pre-stressed steel stranded wires | |
| CN107724226B (en) | Four-rope-surface homodromous rotary stay cable-suspension cable cooperation system bridge | |
| CN106958189A (en) | A kind of cable-stayed type suspension bridge structure suitable for Ultra-Long Spans | |
| CN208039003U (en) | Using the cable-stayed bridge of revolution drag-line in the same direction | |
| CN106498837A (en) | A kind of novel bridge and its construction method | |
| CN108330812A (en) | Using the cable-stayed bridge of revolution drag-line in the same direction | |
| CN108708368A (en) | Multistage anchoring prestress muscle continuous underground wall structure and its construction method | |
| CN102493661A (en) | Bonding anchoring method and anchoring tool for carbon fiber composite stranded wire | |
| CN201809660U (en) | Fiber pre-stressed rope with high-toughness wear-resistant sleeve | |
| BRPI1001417A2 (en) | saddle-type anchor for wire rope | |
| CN209211243U (en) | A kind of pipeline suspension crossing structures under wind system | |
| CN106884371A (en) | A kind of non-uniform beam and suspension cable combined bridge structural system | |
| CN207210939U (en) | Cable-stayed bridge vibration absorber | |
| CN106948263A (en) | A kind of cable-stayed bridge concrete pylon anchor tie plate | |
| Santoh | CFCC (carbon fiber composite cable) | |
| CN102912727A (en) | Partial extradosed bridge wire distributing pipe cable saddle capable of avoiding slipping of stranded wires of inclined stay cable | |
| CN202543803U (en) | Finished cable consisting of steel strands | |
| CN205741868U (en) | A kind of all-steel-pipe concrete composite bridge | |
| CN209722683U (en) | A kind of lightweight steel-concrete composite beams bridge structure | |
| CN209211244U (en) | A kind of pipeline suspension crossing wind resistance system | |
| CN203286991U (en) | Fiber grating wide-range strain sensor for monitoring strain of prestress steel strand | |
| CN207555004U (en) | PCCP pipeline prestressed reinforcement structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |