CN104294749A - Method for installing cylinder foundation trestle structure - Google Patents
Method for installing cylinder foundation trestle structure Download PDFInfo
- Publication number
- CN104294749A CN104294749A CN201410397891.9A CN201410397891A CN104294749A CN 104294749 A CN104294749 A CN 104294749A CN 201410397891 A CN201410397891 A CN 201410397891A CN 104294749 A CN104294749 A CN 104294749A
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- cylinder
- top cover
- cylinders
- cover plate
- bracket structure
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/24—Bridges or similar structures, based on land or on a fixed structure and designed to give access to ships or other floating structures
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Foundations (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a method for installing a cylinder foundation trestle structure. The method for installing the cylinder foundation trestle structure comprises the steps that firstly, the cylinder foundation trestle structure composed of four cylinders, cylinder top cover plates, round stand columns and two cross beams is inflated; secondly, the cylinder foundation trestle structure is hauled to an installation place, air is exhausted, and ballast is increased until the four cylinders are sunk to the position where the lower side faces of the cylinder top cover plates are in contact with a soft foundation; thirdly, a layer of concrete is poured on each cross beam, bridge deck slabs are lifted and installed, the bridge deck slabs are fixed between the two cross beams, and then installation is completed. In this way, transportation of the cylinder foundation trestle structure does not need a transportation barge, field installation does not need a large ship crane, the amount of offshore field installation work is small, the influence on construction of stormy waves is small, the construction efficiency is high, the construction quality is high, and the comprehensive construction cost is low.
Description
Technical field
The present invention relates to technical field of petroleum extraction, particularly a kind of mounting method of cylinder foundation trestle work structure.
Background technology
The petroleum resources of coastal waters shallow water area is developed, adopt the development mode of " Hai Youlu adopts ", be a kind of economic, quick, effective approach, namely the first sea-going road built man-made island at sea and link man-made island and land, then exploits submarine oil resources on man-made island.Cylinder foundation trestle work structure is a kind of sea-going road structure being applicable to coastal waters soft foundation.This structure is made up of reinforced concrete cylinder, cylinder top cover plate, circular abutment, crossbeam, bridge deck.At shallow sea water, the site-assembled mounting method of general employing prefabricated units, the efficiency of this construction method and quality are subject to the impact of stormy waves.Particularly in deeper water, wave and stream are all comparatively large, larger on the impact of site assembly construction.
For the feature of cylinder foundation trestle work structure, present invention employs a set of new method and assembled, transport is carried out to it and sinks to installing, to reduce the impact of on-site installation work amount and wave, improve efficiency of construction and workmanship, reduce construction cost.
Summary of the invention
Invention provides a kind of mounting method of cylinder foundation trestle work structure, be subject to the impact of stormy waves and the technical problem reduced to solve in prior art the efficiency that adopts the site-assembled mounting method of prefabricated units and quality.
For solving the problems of the technologies described above, the invention provides a kind of mounting method of cylinder foundation trestle work structure, detailed description of the invention is as follows:
(1) platform for lining is built under water: in waters, wharf apron, the sea bottom surface of a rectangular area is done smooth process, and place mat macadam or concrete slab, form platform for lining under water;
(2) cylinder foundation trestle work structure sea is assembled.
The assembled process of the cylinder foundation of cylinder foundation trestle work structure, cylinder top cover plate, circular abutment, crossbeam comprises:
1) 4 prefabricated cylinders are hung on platform for lining under water by trestle spacing and status requirement;
2) lift 4 groups of cylinder top cover plates and the prefabricated all-in-one-piece plate part of circular abutment is positioned on the bracket of 4 cylindrical walls, by the mode of pre-buried steel Member Welding, cylinder is connected with cylinder top cover plate;
3) lift 2 crossbeams to be positioned on the bracket on 2 groups of two circular abutment tops arranged side by side, circular abutment top and crossbeam are connected process, forms 2 groups of structures;
4) connect into an entirety by between 2 groups of structures with dismountable shaped steel, form cylinder foundation trestle work structure;
(3) the marine transportation by driving of cylinder foundation trestle work structure: inflate in 4 cylinders of cylinder foundation trestle work structure, structure is floated, and hauls to infield;
(4) cylinder foundation trestle work structure sinks to installing: cylinder foundation trestle work structure is behind location, infield, release the gas in cylinder, cylindrical wall is lowered in foundation soil by deadweight, add ballast afterwards again to make cylinder sink down into cylinder top cover plate downside to contact with mud face, seabed, cylinder foundation trestle work structure sinks to being in place;
(5) bridge deck are installed: on the crossbeam of cylinder foundation trestle work structure, build one deck blinding concrete, make cross rail top smooth, and make the crossbeam end face of all installations reach identical elevation, lift bridge deck afterwards and shelve and be fixed on two adjacent crossbeams.
Specifically being constructed as follows of the cylinder foundation trestle work structure that the present invention relates to, comprising: barrel assemblies, cylinder top cover plate assembly, circular abutment assembly, transverse beam assembly, bridge deck.
Described barrel assemblies is made up of described four cylinders, and described four cylinders are parallel and in forming rectangle, and be all reinforced concrete structure; Wherein, each cylinder is hollow type, and inside top wall is all provided with described ring bracket structure, and described ring bracket structure is for placing corresponding cylinder top cover plate.
Described cylinder top cover plate assembly is made up of four cylinder top cover plates, and each cylinder top cover plate is placed on corresponding ring bracket structure respectively.
Circular abutment assembly is made up of four circular abutments, and each circular abutment and corresponding cylinder top cover plate form one group of plate part; Wherein, the side, top of each circular abutment is provided with bracket structure; The bracket structure of four circular abutment sides is divided into two groups, and two the bracket structure opposition often organized are arranged, and are used for placing crossbeam.
Described transverse beam assembly is made up of two crossbeams, and each crossbeam is rigidly attached on two bracket structures of each group respectively.
Described bridge deck fixed placement is on two crossbeams.
By one or more technical scheme of the present invention, the present invention has following beneficial effect or advantage:
The mounting method of a kind of cylinder foundation trestle work structure provided by the invention, the transport of cylinder foundation trestle work structure does not need transport barge, and in-site installation does not need argosy to hang, marine on-site installation work amount is few, construction by Lidar Equation little, efficiency of construction and quality high, integrated construction expense is low.
Accompanying drawing explanation
Fig. 1 is the schematic cross-sectional view of cylinder foundation trestle work structure in the embodiment of the present invention;
Fig. 2 is the vertical section schematic diagram of cylinder foundation trestle work structure in the embodiment of the present invention;
Fig. 3 is the installation process figure of cylinder foundation trestle work structure in the embodiment of the present invention;
Fig. 4 is that in the embodiment of the present invention, 4 cylinders are lifted on the plan view from above on platform for lining waterborne;
Fig. 5 is that in the embodiment of the present invention, cylinder is lifted on the cross-sectional drawing on platform for lining waterborne;
Fig. 6 is the cross-sectional drawing after cylinder lifting in the embodiment of the present invention cylinder top cover plate and circular abutment;
Fig. 7 is lifting cross beam structure transverse face figure after connecting process on circular abutment in the embodiment of the present invention;
Fig. 8 connects the structure skiagraph after process by shaped steel 11 pairs of structures in the embodiment of the present invention;
Fig. 9 is the cylinder foundation trestle work structure plan view from above of assembled shaping in the embodiment of the present invention;
Figure 10 is the schematic diagram that in the embodiment of the present invention, cylinder foundation trestle work structure is in air float hauling state;
Figure 11 is the schematic diagram that in the embodiment of the present invention, cylinder foundation trestle work structure is in sinking state;
Figure 12 is that cylinder foundation trestle work structure sinks to being in place state.
Description of reference numerals: cylinder 1, cylinder top cover plate 2, circular abutment 3, crossbeam 4, bridge deck 5, ring bracket structure 6, bracket structure 7, the cast-in-place joint 8 of crossbeam, platform for lining 9 is under water harbour 10, shaped steel 11.
Detailed description of the invention
In order to make the application the technical staff in the technical field more clearly understand the application, below in conjunction with accompanying drawing, by specific embodiment, technical scheme is described in detail.
Cylinder foundation trestle work structure as depicted in figs. 1 and 2, mainly comprises: barrel assemblies, cylinder top cover plate assembly, circular abutment assembly, transverse beam assembly, bridge deck 5.
Barrel assemblies is made up of four cylinders 1, and four cylinders 1 are parallel and in forming rectangle, and for as braced structures, four cylinders 1 are all reinforced concrete structures.
Wherein, each cylinder 1 is hollow type, and inside top wall is all provided with ring bracket structure 6, and the bracket end face of ring bracket structure 6 arranges caulking gum packing ring; Ring bracket structure 6 is for placing corresponding cylinder top cover plate 2.Wherein, the race diameter of each cylinder 1 is 9.0m, wall thickness 0.25m, is highly 6.5m, the wide 0.3m of end face of ring bracket structure 6, and apart from barrel end face 0.5m, single cylinder 1 is heavy 125 tons.
Cylinder top cover plate assembly is made up of four cylinder top cover plates 2, and each cylinder top cover plate 2 is placed on corresponding ring bracket structure 6 respectively, lays degree for what mark cylinder foundation trestle work structure.Wherein, each cylinder top cover plate 2 diameter 8.4m, edge thickness is 0.5m.
Circular abutment assembly is made up of four circular abutments 3, and each circular abutment 3 is fixedly connected with corresponding cylinder top cover plate 2 and is integrally formed; Wherein, the side, top of each circular abutment 3 is provided with bracket structure 7; The bracket structure 7 of four circular abutment 3 sides is divided into two groups, and two bracket structures 7 often organized oppose and arrange, and is used for placing crossbeam 4.The edge thickness of circular abutment 3 is 0.8m, and external diameter is 1.5m, wall thickness 0.3m, height 5.0m, the wide 0.5m of end face of side, the top bracket structure 7 of circular abutment 3, one group of cylinder top cover plate 2 and circular abutment 3 heavy 108 tons.
Transverse beam assembly is made up of two crossbeams 4, and each crossbeam 4 is rigidly attached on two bracket structures 7 of each group respectively.The high 1.5m of crossbeam 4, wide 1.5m, long 9.5m, single beam weighs 54 tons.
Bridge deck 5 fixed placement is on two crossbeams 4.The thick 1.0m of single bridge deck 5, wide 1.0m, long 14m, weigh 35 tons.
Preferably, in order to fixedly make crossbeam 4 and bracket structure 7 in being rigidly connected better, cylinder foundation trestle work structure also comprises: the cast-in-place joint 8 of crossbeam, is cast in the junction of crossbeam 4 and bracket structure 7, is used for fixing crossbeam 4 and bracket structure 7.
Please refer to Fig. 3 below, introduce the mounting method of cylinder foundation trestle work structure:
Four cylinders 1 are hung on platform for lining 9 under water according to trestle spacing and trestle position by S1.
Wherein, after the soft foundation of one piece of rectangular area is specifically done smooth process by platform for lining 9 under water, the platform that place mat macadam and/or concrete slab are formed.
S2, lifts four groups and is placed on the ring bracket structure 6 of four cylinder 1 inside top by cylinder top cover plate 2 and side, the top prefabricated all-in-one-piece plate part correspondence of circular abutment 3 with bracket structure 7.
In addition, four groups of cylinder top cover plates 2 are welded on corresponding ring bracket structure 6.
S3, lifts two crossbeams 4 and is placed on the respective bracket structure 7 of two groups of circular abutments 3, and process that every root crossbeam 4 and corresponding bracket structure 7 are rigidly connected, to form two groups of structures.
S4, connects between two groups of structures with dismountable shaped steel 11, forms trestle bridge pier structure.
S5, inflates, to make trestle bridge pier structure floating in four cylinders 1.
S6, by the haul of trestle bridge pier structure to infield, then extracts the gas in four cylinders 1 out, four cylinders 1 is lowered in soft foundation.
S7, adds ballast and four cylinders 1 is sunk, until the downside of cylinder top cover plate 2 contacts with soft foundation.
S8, two crossbeams 4 build a layer concrete respectively, to make two with crossbeam 4 upper flat and to reach identical height.
S9, lifting bridge deck 5 are shelved and are fixed between two crossbeams 4.
Concrete example is used to be described below.
Element precast: reinforced concrete cylinder 1, cylinder top cover plate 2 and circular abutment 3, crossbeam 4, bridge deck 5 are first prefabricated respectively at land precasting yard.
Wherein, cylinder top cover plate 2 and circular abutment 3 prefabricated in aggregates.
Platform for lining 9 is built under water: in waters, harbour 10 forward position, the weak soil sea bottom surface of the rectangular area of wide 24m, long 28m is suitably dredged and does smooth process, the macadam that place mat 0.5 to 1.0m is thick, the concrete slab that the smooth rear laying 0.5m of macadam end face is thick, forms platform for lining 9 under water.When high-tide level, ensure that the depth of water on platform for lining is no less than 4.5m.
Cylinder foundation trestle work structure sea is assembled, is undertaken assembled by following process by prefabricated cylinder 1, cylinder top cover plate 2, circular abutment 3, crossbeam 4:
1) hang 4 prefabricated cylinders 1 on platform for lining 9 under water according to trestle spacing and trestle position, as shown in Figure 4 and Figure 5,4 prefabricated cylinders 1 are parallel to each other and form rectangle.In addition, the spacing between 4 prefabricated cylinders 1 can be different, and such as, side cylinder 1 center distance is 11m, and opposite side cylinder 1 center distance is 15m;
2) as shown in Figure 6, lift 4 groups of cylinder top cover plates 2 and the prefabricated all-in-one-piece plate part of circular abutment 3 is positioned on 4 ring bracket structures 6, by the mode of pre-buried steel Member Welding, cylinder 1 is connected with cylinder top cover plate 2;
3) as shown in Figure 7, lift 2 crossbeams 4 and be positioned on the bracket structure 7 on 2 groups of two circular abutment 3 tops arranged side by side, the top of circular abutment 3 and crossbeam 4 are connected process, forms 2 groups of structures;
4) as illustrated in figs. 8-9, connect into an entirety by between 2 groups of structures with dismountable auxiliary shaped steel 11, form cylinder foundation trestle work structure, its overall weight is about 1100 tons.
The marine transportation by driving of cylinder foundation trestle work structure: when the depth of water as the tide rises on platform for lining is greater than 4.5m, inflates in 4 cylinders 1 of cylinder foundation trestle work structure, structure is floated, hauls to infield.As shown in Figure 10, arrow represents the direction of haul.
Cylinder foundation trestle work structure sinks to installing: cylinder foundation trestle work structure is behind location, infield, and release the gas in cylinder 1, cylinder 1 is lowered in foundation soil by deadweight, and as shown in figure 11, what arrow represented is the direction of exitting.When exitting, be generally exitted by air valve, air valve bottom has pipeline to pass cylinder top cover plate 2 to be communicated with cylinder 1 internal cavity, opens air valve and just can release air in cylinder 1.Then, then add ballast and make cylinder 1 sink down into cylinder top cover plate 2 downside to contact with mud face, seabed, cylinder foundation trestle work structure sinks to being in place.As shown in figure 12, be the cylinder foundation trestle work structure be in place.
Bridge deck 5 are installed: on the crossbeam 4 of cylinder foundation trestle work structure, build one deck blinding concrete, make crossbeam 4 upper flat, and make crossbeam 4 end face of all installations reach identical elevation, lift bridge deck 5 afterwards and shelve and be fixed on two adjacent crossbeams 4.The bridge deck 5 of 9 pieces of wide 1.0m are placed side by side, form the bridge floor that 9.0m is wide.
The trestle of such construction, bridge deck 5 end face apart from mud face, seabed height at more than 8.3m, the wide 9.0m of bridge floor.
By one or more embodiment of the present invention, the present invention has following beneficial effect or advantage:
The mounting method of a kind of cylinder foundation trestle work structure provided by the invention, the transport of cylinder foundation trestle work structure does not need transport barge, and in-site installation does not need argosy to hang, marine on-site installation work amount is few, construction by Lidar Equation little, efficiency of construction and quality high, integrated construction expense is low.
Although described the preferred embodiment of the application, one of ordinary skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the application's scope.
Obviously, those skilled in the art can carry out various change and modification to the application and not depart from the spirit and scope of the application.Like this, if these amendments of the application and modification belong within the scope of the application's claim and equivalent technologies thereof, then the application is also intended to comprise these change and modification.
Claims (2)
1. a mounting method for cylinder foundation trestle work structure, is characterized in that, described method comprises:
Four cylinders are hung on platform for lining under water according to trestle spacing and trestle position; Wherein, after the soft foundation of one piece of rectangular area is specifically done smooth process by described platform for lining under water, the platform that place mat macadam and/or concrete slab are formed;
Lift four groups to be placed on the ring bracket structure inside four barrel top by cylinder top cover plate and side, the top prefabricated all-in-one-piece plate part correspondence of circular abutment with bracket structure, and four groups of cylinder top bridge weldings are connected on corresponding ring bracket structure;
Lift two crossbeams to be placed on two groups of circular abutments bracket structure separately, and process that every root crossbeam and corresponding bracket structure are rigidly connected, to form two groups of structures;
Connect between two groups of structures with dismountable shaped steel, form trestle bridge pier structure;
Inflate in described four cylinders, to make described trestle bridge pier structure floating;
By described trestle bridge pier structure haul to infield, then extract the gas in described four cylinders out, make described four cylinders be lowered in described soft foundation;
Adding ballast makes described four cylinders sink, until the downside of cylinder top cover plate contacts with described soft foundation;
Described two crossbeams build a layer concrete respectively, follows cross rail top smooth to make described two and reach identical height;
Lifting bridge deck are shelved and are fixed between two crossbeams.
2. the method for claim 1, is characterized in that, described cylinder foundation trestle work structure comprises:
Barrel assemblies, cylinder top cover plate assembly, circular abutment assembly, transverse beam assembly, bridge deck;
Described barrel assemblies is made up of described four cylinders, and described four cylinders are parallel and in forming rectangle, and be all reinforced concrete structure; Wherein, each cylinder is hollow type, and inside top wall is all provided with described ring bracket structure, and described ring bracket structure is for placing corresponding cylinder top cover plate;
Described cylinder top cover plate assembly is made up of four cylinder top cover plates, and each cylinder top cover plate is placed on corresponding ring bracket structure respectively;
Circular abutment assembly is made up of four circular abutments, and each circular abutment and corresponding cylinder top cover plate form one group of plate part; Wherein, the side, top of each circular abutment is provided with bracket structure; The bracket structure of four circular abutment sides is divided into two groups, and two the bracket structure opposition often organized are arranged, and are used for placing crossbeam;
Described transverse beam assembly is made up of two crossbeams, and each crossbeam is rigidly attached on two bracket structures of each group respectively;
Described bridge deck fixed placement is on two crossbeams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410397891.9A CN104294749B (en) | 2014-08-13 | 2014-08-13 | A kind of installation method of cylinder foundation trestle work structure |
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| CN201410397891.9A CN104294749B (en) | 2014-08-13 | 2014-08-13 | A kind of installation method of cylinder foundation trestle work structure |
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| CN104294749A true CN104294749A (en) | 2015-01-21 |
| CN104294749B CN104294749B (en) | 2016-08-31 |
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Cited By (6)
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| CN105780796A (en) * | 2016-03-17 | 2016-07-20 | 王燏斌 | Underwater multi-foundation combination integral construction method |
| CN107323619A (en) * | 2017-05-24 | 2017-11-07 | 中国建筑第六工程局有限公司 | A kind of extra large land conveyer method of Large-diameter Steel cylinder |
| CN107476199A (en) * | 2017-08-24 | 2017-12-15 | 温州市欧起机械设备有限公司 | A kind of bridge construction facility |
| CN108342984A (en) * | 2018-01-15 | 2018-07-31 | 中铁大桥局集团有限公司 | A kind of beach soft foundation trestle and its installation sedimentation method |
| CN111604643A (en) * | 2020-05-08 | 2020-09-01 | 友联船厂（蛇口）有限公司 | Manufacturing and mounting process of crane upright column for ship and ocean engineering |
| CN114283562A (en) * | 2021-12-08 | 2022-04-05 | 江苏科技大学 | Early warning system and early warning method for offshore trestle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105780796A (en) * | 2016-03-17 | 2016-07-20 | 王燏斌 | Underwater multi-foundation combination integral construction method |
| CN107323619A (en) * | 2017-05-24 | 2017-11-07 | 中国建筑第六工程局有限公司 | A kind of extra large land conveyer method of Large-diameter Steel cylinder |
| CN107476199A (en) * | 2017-08-24 | 2017-12-15 | 温州市欧起机械设备有限公司 | A kind of bridge construction facility |
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| CN108342984A (en) * | 2018-01-15 | 2018-07-31 | 中铁大桥局集团有限公司 | A kind of beach soft foundation trestle and its installation sedimentation method |
| CN108342984B (en) * | 2018-01-15 | 2020-08-04 | 中铁大桥局集团有限公司 | Soft foundation trestle for mudflat and installation and sedimentation method thereof |
| CN111604643A (en) * | 2020-05-08 | 2020-09-01 | 友联船厂（蛇口）有限公司 | Manufacturing and mounting process of crane upright column for ship and ocean engineering |
| CN111604643B (en) * | 2020-05-08 | 2021-06-15 | 友联船厂（蛇口）有限公司 | Manufacturing and mounting process of crane upright column for ship and ocean engineering |
| CN114283562A (en) * | 2021-12-08 | 2022-04-05 | 江苏科技大学 | Early warning system and early warning method for offshore trestle |
| CN114283562B (en) * | 2021-12-08 | 2023-12-22 | 江苏科技大学 | Marine trestle early warning system and early warning method thereof |
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|---|---|
| CN104294749B (en) | 2016-08-31 |
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Effective date of registration: 20170214 Address after: 100007 Dongcheng District, Dongzhimen, China, North Street, No. 9 Oil Mansion, No. Patentee after: China National Petroleum Corporation Patentee after: China Petroleum Pipeline Bureau Engineering Co., Ltd. Patentee after: Tianjin Dagang Oilfield Group Engineering Construction Co., Ltd. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Patentee before: China National Petroleum Corporation Patentee before: China Petroleum and Natural Gas Pipeline Bureau Patentee before: Tianjin Dagang Oilfield Group Engineering Construction Co., Ltd. |