CN106544959B - The construction method of king-tower lifting segment and bridge main tower saddle containing saddle - Google Patents

The construction method of king-tower lifting segment and bridge main tower saddle containing saddle Download PDF

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Publication number
CN106544959B
CN106544959B CN201611137030.2A CN201611137030A CN106544959B CN 106544959 B CN106544959 B CN 106544959B CN 201611137030 A CN201611137030 A CN 201611137030A CN 106544959 B CN106544959 B CN 106544959B
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China
Prior art keywords
saddle
anchor
tower
construction
guide pipe
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CN201611137030.2A
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CN106544959A (en
Inventor
林明伟
许颖强
刘翠云
潘东发
马涛
毛伟琦
涂满明
庞凤起
杨晖
吴问兵
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China Railway Major Bridge Engineering Group Co Ltd MBEC
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China Railway Major Bridge Engineering Group Co Ltd MBEC
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Priority to CN201611137030.2A priority Critical patent/CN106544959B/en
Publication of CN106544959A publication Critical patent/CN106544959A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

Abstract

The present invention relates to field of bridge construction, it is related to a kind of king-tower lifting segment containing saddle, the lifting segment includes stiff skeleton and the multigroup saddle being fixed in the stiff skeleton, it is arranged in a crossed manner in scissor-shaped between the adjacent saddle in two groups of left and right in the saddle, it is parallel and be set in distance between upper and lower saddle, every group of saddle includes an anchor body and a cable guide pipe, and anchor body is connected with cable guide pipe face.A kind of construction method of bridge main tower saddle is further related to, is comprised the following steps:Step 1:Assembled multigroup saddle, every group of saddle are made of an anchor body and a cable guide pipe;Step 2:Multigroup saddle is assembled into a lifting segment with stiff skeleton, and adjusts the relative position in lifting segment between every group of saddle to design standard, and the lifting segment of the assembly is at least one;Step 3:It installs and fixes on lifting lifting segment to king-tower.The present invention can reduce the high-altitude difficulty of construction of saddle, accelerate construction progress, and working at height is converted into Ground Operation.

Description

The construction method of king-tower lifting segment and bridge main tower saddle containing saddle
Technical field
The present invention relates to field of bridge construction, and in particular to a kind of king-tower lifting segment containing saddle and a kind of bridge master The construction method of tower saddle.
Background technology
The saddle of king-tower anchorage zone is generally composed of anchor body and cable guide pipe, the more traditional cable guide pipe of such combining form For form, suspension cable can be converted into the pulling force of king-tower area load of the anchor body to king-tower concrete surface, so that king-tower Stress more rationally.The characteristics of this anchor body and the saddle of cable guide pipe combining form is:Each group anchor body and cable guide pipe composition Structural system levels staggeredly, it is inside and outside staggeredly, and the spatial position of anchor body, cable guide pipe is complicated.Thus carrying out such combination During the saddle construction of form, space orientation difficulty is big, and the assembling of anchor body and cable guide pipe, difficulty and wind need to be carried out in working at height Danger is larger.
The content of the invention
For defect in the prior art, it is an object of the invention to provide a kind of king-towers containing saddle to lift section Section and a kind of construction method of bridge main tower saddle, can reduce the high-altitude difficulty of construction of saddle, accelerate construction progress simultaneously.
To achieve the above objectives, the present invention adopts the technical scheme that:Including stiff skeleton and it is fixed on the stiffness bone Multigroup saddle in frame, it is arranged in a crossed manner between the adjacent saddle in two groups of left and right in multigroup saddle, it is parallel between upper and lower saddle and be in It is arranged at intervals, every group of saddle includes an anchor body and a cable guide pipe, and anchor body is connected with cable guide pipe face, and the saddle is double-deck same To revolution saddle.
Based on the above technical solutions, the anchor body is connected between cable guide pipe by flange.
Based on the above technical solutions, the stiff skeleton is frame structure, and including more transverse directions and vertically vertical The girder steel directly set.
The present invention also provides a kind of construction method of bridge main tower saddle,
Based on the above technical solutions, the saddle is double-deck revolution saddle in the same direction, is comprised the following steps:
Step 1:Assembled multigroup saddle, every group of saddle are made of an anchor body and a cable guide pipe;
Step 2:Multigroup saddle is assembled into a lifting segment with stiff skeleton;
Step 3:It installs and fixes on lifting lifting segment to king-tower.
Based on the above technical solutions, the step 1 is specially:Assembled place is chosen, and carries out anchor body and is led with rope The assembly of pipe forms multigroup saddle, and every group of saddle is connected to form by an anchor body and a cable guide pipe face.
Based on the above technical solutions, the anchor body is connected between cable guide pipe by flange.
Based on the above technical solutions, the assembled place is additionally provided with platform for lining (5), anchor body and cable guide pipe The assembly of assembled and saddle and stiff skeleton is completed on platform for lining.
Based on the above technical solutions, the step 2 is specially:
Stiff skeleton and multigroup saddle are pre-splicing to dress up at least one lifting segment, and adjusts the position of every group of saddle in lifting segment Put to predeterminated position, it is to be adjusted it is complete after, it is fixed between saddle and stiff skeleton and arranged in a crossed manner between the two groups of adjacent saddles in left and right, on It is parallel and be set in distance between lower saddle.
Based on the above technical solutions, the opposite position in lifting segment between every group of saddle is adjusted using three-way jack It puts.
Compared with prior art, the advantage of the invention is that:The assembling of saddle, lifting segment is completed on the ground, will The high-altitude location and installation of complicated saddle changes into bottom surface operation, considerably reduces difficulty of construction, while also improves operation Precision.
Description of the drawings
Fig. 1 is the structure diagram of saddle;
Structure diagram when Fig. 2 is lifting section assembling;
Fig. 3 is the structure diagram of lifting segment.
In figure:1- anchor bodies, 2- cable guide pipes, 3- stiff skeletons, 4- three-way jacks, 5- platform for lining.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
The present invention provides a kind of king-tower lifting segment containing saddle, and in the present embodiment, saddle is double-deck revolution saddle in the same direction Seat, as shown in figure 3, the lifting segment is including the stiff skeleton 3 in frame structure and is fixed on multigroup in the stiff skeleton 3 Saddle, stiff skeleton 3 are welded by more transverse directions and vertical vertically disposed girder steel, the adjacent saddle in two groups of left and right in saddle Between it is arranged in a crossed manner in scissor-shaped, parallel between upper and lower saddle and be set in distance, every group of saddle includes an anchor body 1 and a cable guide pipe 2, As shown in Figure 1, and it is connected between anchor body 1 and cable guide pipe 2 by flange face.
Of the invention to provide a kind of construction method of bridge main tower saddle, saddle turns round saddle, the construction party in the same direction to be double-deck Method specifically includes following steps:
Step 1:One assembled place is set near bridge, and settings in assembled place should meet operation sky during assembly Between, lifting when lifting space demand, and platform for lining 5 is set on the ground in consolidation shed, anchor body 1 is carried out on platform for lining 5 With the assembly of cable guide pipe 2, multigroup saddle is formed, every group of saddle is connected to form by an anchor body 1 and 2 face of a cable guide pipe, and anchor body 1 Flanged joint is used between cable guide pipe 2.
Step 2:It is shown in Figure 2, on platform for lining 5 by stiff skeleton 3 with multigroup saddle is pre-splicing dresses up a lifting section Section, the position in stiff skeleton 3 between saddle meets:It is arranged in a crossed manner in scissor-shaped between the two groups of adjacent saddles in left and right, between upper and lower saddle It is parallel and be set in distance.The relative position every group of saddle in lifting segment is adjusted using three-way jack 4, we Can also one coordinate system be set in assembled place, in order to be adjusted relative position every group of saddle, lifting section to be adjusted In section after position to the predeterminated position of every group of saddle, as shown in figure 3, passing through welding or other means between saddle and stiff skeleton 3 It is fixed.The lifting segment being assembled into is at least one, and the dimensions of bridge is different, and the number of required lifting segment is not yet Together, the predeterminated position of every group of saddle is also different.The predeterminated position of every group of saddle designs completion when bridge is designed work, tool Body includes specific location of the saddle on stiff skeleton 3 and the space spacing between left and right, upper and lower saddle.
Step 3:Lifting segment is hung on king-tower successively using lifting equipment, is fixed between adjacent lifting segment.Cause It is distributed for the angle of suspension cable in fan-shaped, the angle of suspension cable and horizontal plane below king-tower anchorage zone is larger, corresponding The length of cable guide pipe 2 is also longer, and during being lifted on king-tower, the deformation of the cable guide pipe 2 at the position is relatively large, if will Cable guide pipe 2 and anchor body 1 are carried out at the same time integral hoisting, then need once to adjust the outlet of cable guide pipe 2 after lifting is in place Work, therefore the cable guide pipe 2 in the region can be handled by the way of being followed by, i.e., by saddle in integral hoisting saddle After carrying out accurately lifting positioning with stiff skeleton 3, then cable guide pipe is installed by the way of rapid abutting joint.
In above-mentioned construction method, the assembling of saddle, lifting segment is completed on the ground, and the high-altitude of complicated saddle is determined Position changes into Ground Operation, considerably reduces difficulty of construction, while also improves homework precision.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from On the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention Within the scope of.The content not being described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.

Claims (9)

1. a kind of king-tower lifting segment containing saddle, it is characterised in that:Including stiff skeleton (3) and it is fixed on the stiffness bone Multigroup saddle in frame (3), it is arranged in a crossed manner between the adjacent saddle in two groups of left and right in multigroup saddle, it is parallel between upper and lower saddle and It is set in distance, every group of saddle includes an anchor body (1) and a cable guide pipe (2), and anchor body (1) is connected with cable guide pipe (2) face, institute Saddle is stated as double-deck revolution saddle in the same direction.
2. a kind of king-tower lifting segment containing saddle as described in claim 1, it is characterised in that:The anchor body (1) and rope Conduit is connected between (2) by flange.
3. a kind of king-tower lifting segment containing saddle as described in claim 1, it is characterised in that:The stiff skeleton (3) For frame structure, and including more transverse directions and vertical vertically disposed girder steel.
4. a kind of construction method of bridge main tower saddle, it is characterised in that:The saddle is double-deck revolution saddle in the same direction, including with Lower step:
Step 1:Assembled multigroup saddle, every group of saddle are made of an anchor body (1) and a cable guide pipe (2);
Step 2:Multigroup saddle is assembled into a lifting segment with stiff skeleton (3);
Step 3:It installs and fixes on lifting lifting segment to king-tower.
5. a kind of construction method of bridge main tower saddle as claimed in claim 4, which is characterized in that the step 1 is specific For:Assembled place is chosen, and the assembly for carrying out anchor body (1) and cable guide pipe (2) forms multigroup saddle, every group of saddle is by an anchor Body (1) is connected to form with a cable guide pipe (2) face.
6. a kind of construction method of bridge main tower saddle as claimed in claim 5, which is characterized in that the anchor body (1) and rope Conduit is connected between (2) by flange.
7. a kind of construction method of bridge main tower saddle as claimed in claim 5, it is characterised in that:The assembly place is also set Platform for lining (5) is equipped with, assembly and saddle of the anchor body (1) with cable guide pipe (2) are put down with the assembled of stiff skeleton (3) in assembly Platform is completed on (5).
8. a kind of construction method of bridge main tower saddle as claimed in claim 4, which is characterized in that the step 2 is specific For:
Stiff skeleton (3) and multigroup saddle are pre-splicing to dress up at least one lifting segment, and adjusts the position of every group of saddle in lifting segment Put to predeterminated position, it is to be adjusted it is complete after, it is fixed between saddle and stiff skeleton (3) and arranged in a crossed manner between the two groups of adjacent saddles in left and right, It is parallel and be set in distance between upper and lower saddle.
9. a kind of construction method of bridge main tower saddle as claimed in claim 8, it is characterised in that:Using three-way jack (4) relative position in adjustment lifting segment between every group of saddle.
CN201611137030.2A 2016-12-12 2016-12-12 The construction method of king-tower lifting segment and bridge main tower saddle containing saddle Active CN106544959B (en)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108487064B (en) * 2018-03-09 2019-06-25 济南城建集团有限公司 Separate installment main cable saddle of suspension bridge seat construction method
CN111287085A (en) * 2020-01-08 2020-06-16 中铁大桥勘测设计院集团有限公司 Novel steel-concrete combined stay cable tower anchoring structure and construction method thereof
CN112064514A (en) * 2020-09-14 2020-12-11 浙江交工金筑交通建设有限公司 Cable saddle rigid structure and integral positioning and mounting method thereof

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CN201506952U (en) * 2009-04-17 2010-06-16 四川路桥桥梁工程有限责任公司 Temporary cable matched hanging basket building concrete cable stayed bridge without supporting frame
CN101967796A (en) * 2010-09-19 2011-02-09 湖南路桥建设集团公司 Method for arranging parallel steel wire stay cable
CN103243649A (en) * 2013-05-21 2013-08-14 中交四航局第一工程有限公司 System and method for quickly installing and positioning cable saddle
CN105113411A (en) * 2015-08-03 2015-12-02 中铁港航局集团有限公司 Method for mounting and rapidly and accurately positioning main tower cable guide pipe of cable-stayed bridge
CN105648923A (en) * 2016-03-31 2016-06-08 中铁四局集团第工程有限公司 Stay cable saddle positioning device and positioning method thereof
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JPS6429505A (en) * 1987-07-24 1989-01-31 Ishikawajima Harima Heavy Ind Method of adjusting catwalk at time of erection of suspension bridge cable through method of air spinning construction
CN201506952U (en) * 2009-04-17 2010-06-16 四川路桥桥梁工程有限责任公司 Temporary cable matched hanging basket building concrete cable stayed bridge without supporting frame
CN101967796A (en) * 2010-09-19 2011-02-09 湖南路桥建设集团公司 Method for arranging parallel steel wire stay cable
CN103243649A (en) * 2013-05-21 2013-08-14 中交四航局第一工程有限公司 System and method for quickly installing and positioning cable saddle
CN105113411A (en) * 2015-08-03 2015-12-02 中铁港航局集团有限公司 Method for mounting and rapidly and accurately positioning main tower cable guide pipe of cable-stayed bridge
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