CN106988220B - A kind of continous way suspension bridge cat road head-rope crosses tower structure and method - Google Patents
A kind of continous way suspension bridge cat road head-rope crosses tower structure and method Download PDFInfo
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- CN106988220B CN106988220B CN201710148965.9A CN201710148965A CN106988220B CN 106988220 B CN106988220 B CN 106988220B CN 201710148965 A CN201710148965 A CN 201710148965A CN 106988220 B CN106988220 B CN 106988220B
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- 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
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- 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
- E01D11/02—Suspension bridges
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
Tower structure and method are crossed the present invention relates to a kind of continous way suspension bridge cat road head-rope, the corresponding ducts Chuan Ta of head-rope quantity in the roads suspension bridge king-tower tower body Zhong Sheyumao, it is worn above and below tower opening of the channel each, pre-buried junction steel plate, an arc-shaped transition beam is respectively welded above and below tower opening of the channel along wearing, it is each passed through the ducts Chuan Ta per the roads Gen Mao head-rope, after adjustment cat road head-rope is consistent with main cable alignment, head-rope is fixed at tower opening of the channel with rope card in close wear.
Description
Technical field
The invention belongs to suspension bridge construction technical fields, are related to the setting structure of suspension bridge cat road head-rope, more particularly to
A kind of structure and construction method for crossing suspension bridge king-tower for continous way cat road head-rope.
Background technology
The head-rope in continous way cat road is drawn from a bank to another bank, and intermediate demand crosses suspension bridge king-tower.Traditional side
Formula is to turn cable saddle in tower top setting for cat road head-rope to pass through, and turns cable saddle and is connect with tower top by foundation bolt, but turns cable saddle
Volume has seriously tied up the limited space of tower top very much greatly, is unfavorable for engineering construction.And to keep cat road and main rope of suspension bridge line
Shape is consistent, after king-tower is crossed in cat road, it is also necessary to its height is reduced, this need the head-rope displacement of king-tower both sides installation cat road,
Pull device, and large-scale operation platform, process and complicated, construction cost is high.
Invention content
It is an object of the present invention to which improving current cat road head-rope crosses tower structure and method, the roads Shi Mao head-rope is direct
Across tower body, to save tower top space, and head-rope drop-down, displacement process and device are omitted, to save construction cost.
For achieving the above object, the present invention provides a kind of tower structure excessively of continous way suspension bridge cat road head-rope, skill
Art scheme is as follows：
A kind of continous way suspension bridge cat road head-rope crosses tower structure, it is characterised in that：Equipped with cat road head-rope quantity
The corresponding ducts Chuan Ta for traversing suspension bridge king-tower, the ducts Chuan Ta are the bellowss for the diameter 10cm being embedded in tower body；
The ducts Chuan Ta both ends open is located in tower wall and each wears above and below tower opening of the channel in the tower wall of king-tower both sides,
Be embedded with junction steel plate, an arc-shaped transition beam set above and below tower opening of the channel respectively along wearing, the arc-shaped transition beam with it is described
Junction steel plate welds；Above the arc-shaped transition beam worn above tower opening of the channel and wear under arc-shaped transition beam below tower opening of the channel
Side, is respectively equipped with the floor that polylith is resisted against on transition beam, the floor is vertical with arc-shaped transition beam, and is welded on the connection
On steel plate；The ducts Chuan Ta are each passed through per the roads Gen Mao head-rope, it is solid on the position worn at tower opening of the channel on head-rope
Determine at least three rope card.
For achieving the above object, tower method is crossed the present invention also provides a kind of continous way suspension bridge cat road head-rope,
Technical solution is as follows：
(1) in suspension bridge Construction of Pylon, according to cat road design height in the roads tower body pre-buried Pai Yumao head-rope quantity
The corresponding ducts Chuan Ta for traversing suspension bridge king-tower, the ducts Chuan Ta both ends open are located in the tower wall of king-tower both sides in tower wall
It each wears above and below tower opening of the channel, pre-buried junction steel plate；
(2) edge is worn sets an arc-shaped transition beam respectively above and below tower opening of the channel, by the arc-shaped transition beam and the company
Connect steel plate welding；Above the arc-shaped transition beam worn above tower opening of the channel and wear below arc-shaped transition beam below tower opening of the channel,
The floor that polylith is resisted against on transition beam is set respectively, and the floor is vertical with arc-shaped transition beam, and is welded on the junction steel plate
On；
(3) fag end before head-rope is drawn from a bank tunnel anchorage to the end bay side of the bank king-tower, manually by load-bearing with tower crane
Fag end passes through the ducts Chuan Ta before rope, is connect with device is pulled, and after traction to another bank king-tower span centre side, releases and pull the company of device
It connects, by fag end before head-rope using being manually inserted through tower duct, then pulls in end bay side and again device and connect, draw to another bank
Tunnel anchorage；
(4) after the linear and sag of adjustment cat road head-rope is consistent with main rope of suspension bridge, in the king-tower both sides holes Chuan Ta
The roads Chu Jiangmao head-rope rope card in road junction is fixed, and in each gear for wearing and being equipped with a covering at tower opening of the channel and wearing tower opening of the channel
Baffle is welded on the arc-shaped transition beam by plate, and baffle is equipped with the arc-shaped slot that can accommodate head-rope, by cat road head-rope
It is stuck in the arc-shaped slot on baffle.
The present invention is passed through by the ducts Chuan Ta being located on tower body for cat road head-rope, need not be built cat road in tower top and be held
Rope turns cable saddle again, saves tower top space；After head-rope passes through the ducts Chuan Ta, it need not be conjugated, be pulled down in Sarasota both sides
I.e. controllable cat road is linear is consistent with main push-towing rope, saves construction material, while being more advantageous to raising into bridge installation accuracy, drops
Main push-towing rope tune rope difficulty in low construction can accomplish that cat road controls to minimum journey the added influence of permanent structure in practice of construction
Degree.The roads Shi Mao of the present invention line style keeps good, and personnel, which pass through, to be easy, and constructing operation is convenient, has very in 800m or less bridge types
Strong practicability.
Description of the drawings
The roads Tu1Shi Mao head-rope passes through the schematic view of facade structure in the ducts Chuan Ta；
The roads Tu2Shi Mao head-rope crosses the planar structure schematic diagram of tower structure；
Fig. 3 is enlarged drawing at A in Fig. 1, shows the detailed construction at the ducts Chuan Ta of the present invention；
Fig. 4 was set-up mode schematic diagram of the tower duct on king-tower side wall；
Fig. 5 is the status diagram worn after tower opening of the channel setting arc-shaped transition beam；
The roads Tu6Shi Jiangmao head-rope passes through the status diagram behind the ducts Chuan Ta.
Specific implementation mode
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention is equipped with the suspension bridge king-tower 2 of traversing corresponding with cat road 1 quantity of head-rope
The ducts Chuan Ta 3,3 both ends open of the ducts Chuan Ta are located in tower wall in the both sides tower wall of king-tower and each wear tower opening of the channel
Above and below, it is embedded with junction steel plate 4, an arc-shaped transition beam 5, the arc are set above and below tower opening of the channel respectively along wearing
Shape transition beam 5 is welded with the junction steel plate 4；The ducts Chuan Ta 3 are each passed through per the roads Gen Mao head-rope 1, are located in head-rope 1
It wears and fixes at least three rope card 6 on the position at tower opening of the channel.
Round steel pipe can be used in arc-shaped transition beam, and transverse weld is being worn above and below tower opening of the channel.For strengthening arc-shaped mistake
Bridging beam 5 above the arc-shaped transition beam worn above tower opening of the channel and can be worn below arc-shaped transition beam below tower opening of the channel, respectively
If polylith is resisted against the arc floor 7 on transition beam, the arc floor 7 is vertical with arc-shaped transition beam, and is welded on the company
It connects on steel plate 4.
It, can be in each gear for wearing and being equipped with a covering at tower opening of the channel and wearing tower opening of the channel for limitation cat road head-rope transverse shifting
Plate 8, baffle 8 are welded on the arc-shaped transition beam 5, and baffle 8 is equipped with the arc-shaped slot that can accommodate head-rope, cat road head-rope
1 passes through the ducts Chuan Ta by the arc-shaped slot on baffle.
When crossing tower construction of continous way suspension bridge cat road head-rope is carried out using the above structure, and detailed process is as follows：
(1) suitably high in the tower body of king-tower 2 according to cat road design height as shown in figure 4, in suspension bridge Construction of Pylon
The corresponding ducts Chuan Ta 3 for traversing suspension bridge king-tower of the roads pre-buried Pai Yumao head-rope quantity are spent, diameter can be used in the ducts Chuan Ta
The bellows of 10cm；The ducts Chuan Ta both ends open is located in tower wall in the tower wall of king-tower both sides and each wears the upper of tower opening of the channel
Side and lower section, pre-buried junction steel plate 4 facilitate the installation of later stage opening of the channel transition beam.
(2) as shown in figure 5, before the erection of cat road head-rope, an arc-shaped transition is set respectively above and below the ducts Chuan Ta 3
Beam 5 welds the arc-shaped transition beam 5 with the junction steel plate 4；Arc-shaped transition beam action is to prevent cat road head-rope in mistake
It is bent when hole, damages head-rope.The steel pipe and fill concrete of diameter 4.8cm can be used in transition beam, ensures the rigidity of steel pipe.
The top of the arc-shaped transition beam 5 of 3 overthe openings and arc-shaped transition beam 5 below tower opening of the channel is worn in the ducts Chuan Ta
Lower section sets the arc floor 7 that polylith is resisted against on transition beam respectively, and arc floor 7 is vertical with arc-shaped transition beam 5, and is welded on
On the junction steel plate 4；The radian of arc floor, which is arranged, makes it that can just block arc-shaped transition beam.
(3) as shown in fig. 6, being drawn the preceding fag end of head-rope 1 to the end bay of the bank king-tower 2 from a bank tunnel anchorage with tower crane
Fag end before head-rope 1 is manually passed through the ducts Chuan Ta 3 by side.Then head-rope is connect with device is pulled, traction to another bank king-tower
Behind span centre side, the connection of device is first released and pulls, by fag end before head-rope using tower duct was manually inserted through, then in end bay side
It is connect with device is pulled again, traction to another bank tunnel anchorage.
(4) as shown in Figure 1, Figure 2, Figure 3 shows, linear and the sag and main rope of suspension bridge of adjustment cat road head-rope are consistent
Afterwards, it wears the rope card 6 of the roads tower opening of the channel Chu Jiangmao head-rope 1 in king-tower both sides to fix, and is equipped at tower opening of the channel in each wear
The baffle 8 of tower opening of the channel is worn in one covering, and baffle 8 is welded on the arc-shaped transition beam, and baffle, which is equipped with, can accommodate head-rope
Arc-shaped slot, cat road head-rope is stuck in the arc-shaped slot on baffle.
All cat roads head-rope is sequentially completed using the above method and wears tower erection construction, you can carries out the laying of cat road wire side
Construction, it is no longer necessary to head-rope be pulled down, conjugated.
Claims (3)
1. a kind of continous way suspension bridge cat road head-rope crosses tower structure, it is characterised in that：Equipped with cat road head-rope quantity pair
That answers traverses the ducts Chuan Ta of suspension bridge king-tower, and the ducts Chuan Ta are the bellowss for the diameter 10cm being embedded in tower body；Institute
The ducts Chuan Ta both ends open is stated in the tower wall of king-tower both sides, is located in tower wall and each wears above and below tower opening of the channel, in advance
It is embedded with junction steel plate, an arc-shaped transition beam is set above and below tower opening of the channel respectively along wearing, the arc-shaped transition beam and the company
Connect steel plate welding；Above the arc-shaped transition beam worn above tower opening of the channel and wear below arc-shaped transition beam below tower opening of the channel,
It is respectively equipped with the floor that polylith is resisted against on transition beam, the floor is vertical with arc-shaped transition beam, and is welded on the connection steel
On plate；The ducts Chuan Ta are each passed through per the roads Gen Mao head-rope, it is fixed on the position worn at tower opening of the channel on head-rope
At least three rope card.
2. continous way suspension bridge cat road according to claim 1 head-rope crosses tower structure, it is characterised in that：It is worn each
The baffle that tower opening of the channel is worn in a covering is equipped at tower opening of the channel, the baffle is welded on the arc-shaped transition beam, is set on baffle
The arc-shaped slot of head-rope can be accommodated by having, and cat road head-rope passes through the ducts Chuan Ta by the arc-shaped slot on baffle.
3. a kind of continous way suspension bridge cat road head-rope crosses tower method, which is characterized in that include the following steps：
(1) it in suspension bridge Construction of Pylon, is corresponded in the roads tower body pre-buried Pai Yumao head-rope quantity according to cat road design height
The ducts Chuan Ta for traversing suspension bridge king-tower, the ducts Chuan Ta both ends open is located at each in tower wall in the tower wall of king-tower both sides
It wears above and below tower opening of the channel, pre-buried junction steel plate；
(2) edge is worn sets an arc-shaped transition beam respectively above and below tower opening of the channel, by the arc-shaped transition beam and the connection steel
Plate welds；It above the arc-shaped transition beam worn above tower opening of the channel and wears below arc-shaped transition beam below tower opening of the channel, respectively
If polylith is resisted against the floor on transition beam, the floor is vertical with arc-shaped transition beam, and is welded on the junction steel plate；
(3) fag end before head-rope is drawn from a bank tunnel anchorage to the end bay side of the bank king-tower with tower crane, it manually will be before head-rope
Fag end passes through the ducts Chuan Ta, is connect with device is pulled, and after traction to another bank king-tower span centre side, releases and pull the connection of device, will
Fag end was using being manually inserted through tower duct before head-rope, then pulls in end bay side and again device and connect, draws to another bank tunnel
Anchor；
(4) after the linear and sag of adjustment cat road head-rope is consistent with main rope of suspension bridge, tower opening of the channel is worn in king-tower both sides
The roads Chu Jiangmao head-rope rope card is fixed, and in each baffle for wearing and being equipped with a covering at tower opening of the channel and wearing tower opening of the channel, will
Baffle is welded on the arc-shaped transition beam, and baffle is equipped with the arc-shaped slot that can accommodate head-rope, and cat road head-rope is stuck in
In arc-shaped slot on baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148965.9A CN106988220B (en) | 2017-03-13 | 2017-03-13 | A kind of continous way suspension bridge cat road head-rope crosses tower structure and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148965.9A CN106988220B (en) | 2017-03-13 | 2017-03-13 | A kind of continous way suspension bridge cat road head-rope crosses tower structure and method |
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| CN106988220A CN106988220A (en) | 2017-07-28 |
| CN106988220B true CN106988220B (en) | 2018-10-30 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109371838B (en) * | 2018-10-15 | 2023-09-15 | 中交二航局第二工程有限公司 | Integral catwalk deflection steel frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2720339B2 (en) * | 1990-12-28 | 1998-03-04 | 株式会社竹中工務店 | Cable laying method |
| WO2005121456A1 (en) * | 2004-06-09 | 2005-12-22 | Incorporated Administrative Agency Public Works Research Institute | Cable stayed suspension bridge making combined use of one-box and two-box girders |
| CN201047059Y (en) * | 2007-05-15 | 2008-04-16 | 四川天元机械工程有限责任公司 | Suspension structure of rope-suspension bridge and rope clip thereof |
| CN202881852U (en) * | 2012-08-02 | 2013-04-17 | 巨力索具股份有限公司 | Suspension bridge cable installation system |
| CN105401524B (en) * | 2015-10-23 | 2017-07-04 | 中交第二公路工程局有限公司 | A kind of suspension bridge continous way cat road track cable crosses tower top constructional device |
| CN206667061U (en) * | 2017-03-13 | 2017-11-24 | 中交第四公路工程局有限公司 | A kind of continous way suspension bridge cat road head-rope crosses tower structure |
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Effective date of registration: 20180410 Address after: 301700 Tianjin city Wuqing District Fuyuan Road on the north side of business headquarters building 10 layer B11 Applicant after: THE SIXTH ENGINEERING CO., LTD OF CCCC FOURTH HIGHWAY ENGINEERING CO., LTD. Address before: 100022 Chaoyang District, Jianguo Road, No. 91, golden center, block A, floor 27, Beijing Applicant before: CCCC Fourth Highway Engineering Co., Ltd. Applicant before: THE SIXTH ENGINEERING CO., LTD OF CCCC FOURTH HIGHWAY ENGINEERING CO., LTD. |
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