CN110106783A - Bridge structure and construction method on a kind of cable - Google Patents
Bridge structure and construction method on a kind of cable Download PDFInfo
- Publication number
- CN110106783A CN110106783A CN201910471682.7A CN201910471682A CN110106783A CN 110106783 A CN110106783 A CN 110106783A CN 201910471682 A CN201910471682 A CN 201910471682A CN 110106783 A CN110106783 A CN 110106783A
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- China
- Prior art keywords
- bridge
- steelframe
- cable
- installation
- bridge pier
- Prior art date
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- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 58
- 239000000126 substance Substances 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 238000005246 galvanizing Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- E01D19/00—Structural or constructional details of bridges
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses bridge structures on a kind of cable, including bridge steelframe on cable and electric power pipe trench, bridge steelframe includes bridge pier installation steelframe, pile equipment steelframe and guardrail installation steelframe on the cable, bridge pier installation steelframe is mounted on one of bridge pier of bridge by chemical bolt, bridge pier installation steelframe is accepted with the bridge pier by the same cushion cap, the pile equipment steelframe is mounted in the box beam of bridge by chemical bolt, and guardrail installation steelframe is mounted on the guardrail of bridge by chemical bolt；The upper end of bridge pier installation steelframe is inserted into the lower end of the pile equipment steelframe, and the lower end of pile equipment steelframe can install the upper end movement of steelframe relative to the bridge pier；The electric power pipe trench is arranged on ground.The present invention is guided to cable below bridge pier by electric power pipe trench, installs steelframe in the side of bridge pier setting bridge pier using bridge pier as load-bearing carrier, and cable enters bridge by bridge pier installation steelframe, bridge on completion cable, and difficulty of construction is low, good economy performance, short time limit.
Description
Technical field
The invention belongs to bridge fields, more particularly, to bridge structure and construction method on a kind of cable.
Background technique
There are two kinds of situation cables to need upper bridge in urban track traffic implementation process.1) main transformer station accesses main track station
Or section be overhead station or overhead section when, cable must go up bridge and meet power reguirements.2) turn the boundary of underground bridge tunnel overhead
Place setting waste water pump house follow institute's cable needs to meet waste water pump house and blower power load need to be arranged and follow institute
Upper bridge meets water pump and blower power demand.
Bridge common practice on cable at present: in order to reduce the influence cable to urban landscape from main transformer station or follow institute
It is led to below bridge using electric power pipe trench, then shape is individually built similar to bridge pier in some position among two bridge piers of bridge
Cable on bridge steel frame construction, using bridge steel frame construction on cable as supporting body complete cable on bridge.Due to overhead section bridge
Face is wider, and steelframe both sides respectively overhang sometimes up to 4-5 meters, and steel construction must satisfy when design in wind load, earthquake lotus
Self-strength, rigidity, stability under the operating conditions such as load, cable load combine urban landscape requirement, often build the knot come
Structure figure is huge, and the basis of bridge steel frame construction usually selects isolated footing on cable, must even use pile foundation sometimes
It is just able to satisfy bearing capacity and settlement calculation requirement, causes difficulty of construction high, long in time limit in this way, is brought very to design and construction
Big workload.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides bridge structure and construction parties on a kind of cable
Method, light structure, difficulty of construction be low, good economy performance, short time limit.
To achieve the above object, according to one aspect of the present invention, bridge structure on a kind of cable is provided, feature exists
In, including bridge steelframe and electric power pipe trench on cable, wherein
Bridge steelframe includes bridge pier installation steelframe, pile equipment steelframe and guardrail installation steelframe, bridge pier peace on the cable
Steel loading frame is mounted on the installation of the outside on one of bridge pier of bridge and close to the bridge pier, bridge pier peace by chemical bolt
Steel loading frame is accepted with the bridge pier by the same cushion cap, which is mounted in the box beam of bridge by chemical bolt
And it is installed close to the outside of the box beam, guardrail installation steelframe is mounted on the guardrail of bridge and is pasted by chemical bolt
The guardrail outside installation；
The upper end of the bridge pier installation steelframe is provided with installation sleeve, and the installation set is inserted into the lower end of the pile equipment steelframe
In cylinder, the lower end of pile equipment steelframe can be moved up and down with respect to the installation sleeve, and the lower end of the pile equipment steelframe is outer
There are gaps between side and the inner wall of the installation sleeve, to adapt to the deformation of bridge；
The electric power pipe trench is arranged on ground, for arranging cable.
Preferably, there are two bridge steelframe is arranged on the cable and their direction across bridge are arranged, bridge is located at the two cables
Between upper bridge steelframe.
Preferably, the electric power pipe trench include a tap drain and Liang Ge branch ditch, each branch's ditch respectively with the master
Bridge steelframe on a cable is respectively set above ditch connection and each branch's ditch, is connected with bridge steelframe on cable
The bridge pier is located between the two branch's ditches.
Preferably, the skeleton of bridge steelframe is welded by square steel on the cable, and is provided between square steel opposite
In the inclined bearing diagonal steel pipe of horizontal plane.
Preferably, the outside of the square steel and bearing diagonal steel pipe carries out hot galvanizing processing.
Other side according to the invention additionally provides the side that bridge structure on a kind of cable carries out bridge construction on cable
Method, which comprises the following steps:
1) cable is introduced into the side of the bridge pier by electric power pipe trench；
2) bridge steelframe on cable is transported to after scene, guardrail is first installed into steelframe and pile equipment steelframe respectively in bridge
The outside of guardrail and the outside of box beam adjust good position, guardrail is then installed into steelframe and pile equipment steel by chemical anchor bolts
Frame is separately mounted on guardrail and box beam；
3) bridge pier installation steelframe is adjusted into good position in the outside of the bridge pier installation steelframe of bridge, will be installed in step 2)
The lower end of pile equipment steelframe be inserted into the upper end of bridge pier installation steelframe, and make pile equipment steelframe lower end can it is opposite should
The upper end that bridge pier installs steelframe is mobile, and then bridge pier installation steelframe is fixed therein on a bridge pier by chemical anchor bolts；
4) cable is pulled out from electric power pipe trench and is guided on cable and is fixed on bridge steelframe and bridge, by this method, is realized
The upper bridge construction of cable.
Preferably, after cable is fixed, aluminium sheet can be set on bridge steelframe on steel cable.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show
Beneficial effect:
1) present invention can be guided to cable below corresponding bridge pier by excavating electric power pipe trench in ground, then be utilized
Bridge pier mounting bracket, pile equipment branch is arranged in their outside respectively as load-bearing carrier in bridge pier, box beam and the guardrail of bridge
Frame and guardrail mounting bracket, cable enter elevated bridge from bridge on electric power pipe trench by these mounting brackets, complete bridge on cable,
Have many advantages, such as low light structure, difficulty of construction, good economy performance, short time limit.
2) lower end of pile equipment steelframe of the invention be inserted into the bridge pier installation steelframe on installation sleeve in, and this two
Part can be relatively movable, so as to the expansion joint on bridge combine adaptation it is parallel, perpendicular to bridge axes side
To deformation.
Detailed description of the invention
Fig. 1 is Electrical pipe trench floor plan in the present invention；
Fig. 2 is cable bearer sectional view in the present invention；
Fig. 3 is cable bearer top view in the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below
Not constituting a conflict with each other can be combined with each other.
As shown in FIG. 1 to 3, bridge structure on a kind of cable, including bridge steelframe 1 and electric power pipe trench 2 on cable, the cable
The skeleton of upper bridge steelframe 1 is welded by square steel 101, and be provided between square steel 101 be inclined relative to horizontal it is oblique
The outside of supporting steel pipe 102, the square steel 101 and bearing diagonal steel pipe 102 carries out hot galvanizing processing, so that bridge on cable
The support strength of steelframe 1 is high, and due on cable bridge steelframe 1 be an exposure in air, the work of anti-corrosion can also be played
With bearing diagonal steel pipe 102 can play the role of further reinforcing to the skeleton of bridge steelframe 1 on cable, wherein
Bridge steelframe 1 includes that bridge pier installation steelframe 11, pile equipment steelframe 12 and guardrail install steelframe 13 on the cable, should
Bridge pier installation steelframe 11 is mounted on one of bridge pier 4 of bridge by chemical bolt 3 and is pacified close to the outside of the bridge pier 4
Dress, the bridge pier are installed steelframe 11 and the bridge pier 4 and are accepted by the same cushion cap 7, can make 11 benefit of bridge pier installation steelframe in this way
Be supported with original cushion cap 7, the pile equipment steelframe 12 be mounted in the box beam 5 of bridge by chemical bolt 3 and
Installed close to the outside of the box beam 5, guardrail installation steelframe 13 be mounted on the guardrail 6 of bridge by chemical bolt 3 and
It is installed close to the outside of the guardrail 6；Bridge pier installs steelframe 11, pile equipment steelframe 12 and the corresponding installation of guardrail installation steelframe 13
The position where same section bridge pier 4 in bridge；Steelframe 11, pile equipment steelframe 12 and guardrail are installed in bridge pier, steelframe 13 is installed
On be preferably provided with pre-buried angle steel 9, chemical bolt 3 passes through and bridge pier is installed steelframe 11, pile equipment steelframe after pre-buried angle steel 9
12 and guardrail installation steelframe 13 be separately mounted on bridge pier 4, box beam 5 and guardrail 6；If there is disconnected between two parts of bridge
Seam can be first arranged at breaking joint using postposition steel plate 8, then sequentially pass through pre-buried angle steel 9 and postposition steel plate using chemical bolt 3
It is extend into bridge again after 8.
The upper end of the bridge pier installation steelframe 11 is provided with installation sleeve, and the peace is inserted into the lower end of the pile equipment steelframe 12
In sleeved, the lower end of pile equipment steelframe 12 can be moved up and down with respect to the installation sleeve, and the pile equipment steelframe 12
There are gaps between the outside of lower end and the inner wall of the installation sleeve, to adapt to the deformation of bridge；Bridge is perpendicular to bridge axis
Line and the direction for being parallel to bridge axes can have deformation, therefore bridge expanssion joint is provided on bridge to adapt to this change
Shape, and keel expansion joint, energy and bridge expanssion joint is collectively formed in the lower end of pile equipment steelframe 12 of the invention and installation sleeve
Common cooperation is to adapt to bridge deformation.
The electric power pipe trench 2 is arranged on ground, for arranging that cable, cable are drawn out to cable by electric power pipe trench 2
On upper bridge steelframe 1, then it is re-introduced on bridge.
Further, there are two bridge steelframe 1 is arranged on the cable and their direction across bridge are arranged, bridge is located at the two cables
Between upper bridge steelframe 1, it can be routed in this way from the two sides of bridge.
Further, the electric power pipe trench 2 includes a tap drain 21 and Liang Ge branch ditch 22, and each branch's ditch 22 is distinguished
It is connect with the tap drain 21 and bridge steelframe 1 on a cable is respectively set in the top of each branch's ditch 22, on cable
The connected bridge pier 4 of bridge steelframe 1 is located between the two branch's ditches 22.The bifurcated formed by the two branch's ditches 22, can
One cable is divided into two strands, bridge on cable is then realized by bridge steelframe 1 on the cable of 4 two sides of bridge pier.
Other side according to the invention additionally provides the side that bridge structure on a kind of cable carries out bridge construction on cable
Method, comprising the following steps:
1) cable is introduced into the side of the bridge pier 4 by electric power pipe trench 2；
2) bridge steelframe 1 on cable is transported to after scene, guardrail is first installed into steelframe 13 and pile equipment steelframe 12 is distinguished
Good position (pre-installation) is adjusted in the outside of the guardrail 6 of bridge and the outside of box beam 5, then passes through chemical anchor bolts for guardrail
Installation steelframe 13 and pile equipment steelframe 12 are separately mounted on guardrail 6 and box beam 5；
3) bridge pier installation steelframe 11 is adjusted into good position (pre-installation) in the outside of the bridge pier installation steelframe 11 of bridge,
The lower end of pile equipment steelframe 12 mounted in step 2) is inserted into the upper end of bridge pier installation steelframe 11, and pacifies box beam
The upper end that the lower end of steel loading frame 12 can install steelframe 11 relative to the bridge pier is mobile, and bridge pier is then installed steelframe by chemical anchor bolts
11 are fixed therein on a bridge pier 4；By the bond stress and mechanical snap power collective effect between chemical bolt 3 and concrete
Come resistance to plucking and bolt itself and carry out shearing resistance, bridge pier installation steelframe 11, pile equipment steelframe 12 and guardrail installation steelframe 13 can be made
It is fixedly mounted on bridge；
4) cable is pulled out and is guided on cable from electric power pipe trench 2 and is fixed on bridge steelframe 1 and bridge, by this method, real
The upper bridge construction of existing cable.
5) after cable is fixed, aluminium sheet can be set on bridge steelframe 1 on steel cable.Aluminium sheet not only can be to bridge steelframe on cable
1 plays certain protective action, and can be adapted with surrounding landscape to beautify bridge steelframe 1 on cable.
The present invention is using the bridge for completion of having constructed as supporting body, the bridge steelframe 1 on the outside of bridge setting cable,
Cable enters elevated bridge from bridge on electric power pipe trench 2 by bridge steelframe 1 on cable, completes bridge on cable, has low cost, construction
The advantages that difficulty is low, good economy performance, short time limit.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
1. bridge structure on a kind of cable, which is characterized in that including bridge steelframe on cable and electric power pipe trench, wherein
Bridge steelframe includes that bridge pier installation steelframe, pile equipment steelframe and guardrail installation steelframe, the bridge pier install steel on the cable
Frame is mounted on the installation of the outside on one of bridge pier of bridge and close to the bridge pier by chemical bolt, which installs steel
Frame is accepted with the bridge pier by the same cushion cap, the pile equipment steelframe be mounted in the box beam of bridge by chemical bolt and
It is installed close to the outside of the box beam, guardrail installation steelframe is mounted on the guardrail of bridge and close to institute by chemical bolt
State the outside installation of guardrail；
The upper end of the bridge pier installation steelframe is provided with installation sleeve, and the installation sleeve is inserted into the lower end of the pile equipment steelframe
Interior, the lower end of pile equipment steelframe can be moved up and down with respect to the installation sleeve, and the outside of the lower end of the pile equipment steelframe
There are gaps between the inner wall of the installation sleeve, to adapt to the deformation of bridge；
The electric power pipe trench is arranged on ground, for arranging cable.
2. bridge structure on a kind of cable according to claim 1, which is characterized in that on the cable there are two the settings of bridge steelframe
And their direction across bridge are arranged, bridge is located on the two cables between bridge steelframe.
3. bridge structure on a kind of cable according to claim 2, which is characterized in that the electric power pipe trench includes a tap drain
And Liang Ge branch ditch, each branch's ditch connect with the tap drain respectively and are respectively set one above each branch's ditch
Bridge steelframe on the cable, the bridge pier being connected with bridge steelframe on cable are located between the two branch's ditches.
4. bridge structure on a kind of cable according to claim 1, which is characterized in that the skeleton of bridge steelframe is logical on the cable
It crosses square steel to be welded, and is provided with the bearing diagonal steel pipe being inclined relative to horizontal between square steel.
5. bridge structure on a kind of cable according to claim 4, which is characterized in that the square steel and bearing diagonal steel pipe it is outer
Side carries out hot galvanizing processing.
6. a kind of method that bridge structure carries out bridge construction on cable on cable, which comprises the following steps:
1) cable is introduced into the side of the bridge pier by electric power pipe trench；
2) bridge steelframe on cable is transported to after scene, guardrail is first installed into steelframe and pile equipment steelframe respectively in the shield of bridge
The outside on column and the outside of box beam adjust good position, and guardrail is then installed steelframe and pile equipment steelframe point by chemical anchor bolts
It is not mounted on guardrail and box beam；
3) bridge pier installation steelframe is adjusted into good position in the outside of the bridge pier installation steelframe of bridge, by case mounted in step 2)
The upper end of bridge pier installation steelframe is inserted into the lower end of beam installation steelframe, and makes the lower end of pile equipment steelframe can be with respect to the bridge pier
The upper end for installing steelframe is mobile, and then bridge pier installation steelframe is fixed therein on a bridge pier by chemical anchor bolts；
4) cable is pulled out from electric power pipe trench and is guided on cable and is fixed on bridge steelframe and bridge, by this method, realizes cable
Upper bridge construction.
7. according to the method described in claim 6, it is characterized in that, can be arranged on bridge steelframe on steel cable after cable is fixed
Aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471682.7A CN110106783B (en) | 2019-05-31 | 2019-05-31 | Cable upper bridge structure and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910471682.7A CN110106783B (en) | 2019-05-31 | 2019-05-31 | Cable upper bridge structure and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110106783A true CN110106783A (en) | 2019-08-09 |
| CN110106783B CN110106783B (en) | 2023-12-15 |
Family
ID=67493464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910471682.7A Active CN110106783B (en) | 2019-05-31 | 2019-05-31 | Cable upper bridge structure and construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110106783B (en) |
Citations (11)
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|---|---|---|---|---|
| US4642830A (en) * | 1983-12-07 | 1987-02-17 | Bouygues | Bridge truss, bridge span including such trusses, and method of constructing the truss |
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2019
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| Publication number | Publication date |
|---|---|
| CN110106783B (en) | 2023-12-15 |
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