CN107245953B - A kind of crossed construction method of multilayer bridge structure - Google Patents

A kind of crossed construction method of multilayer bridge structure Download PDF

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Publication number
CN107245953B
CN107245953B CN201710574228.5A CN201710574228A CN107245953B CN 107245953 B CN107245953 B CN 107245953B CN 201710574228 A CN201710574228 A CN 201710574228A CN 107245953 B CN107245953 B CN 107245953B
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China
Prior art keywords
bridge
bailey
framed bent
bowl buckle
girder
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CN201710574228.5A
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Chinese (zh)
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CN107245953A (en
Inventor
孙强
吴进科
张鹏
周阳
文言
高明生
汪凉
吴江
张全贺
黄振龙
刘羽
王雄
付贵庆
高万夫
王鹏
陈斌
陈伟
汤明
崔宇声
王彬
张冰
崔少光
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Beijing No1 Municipal Constriction Engineering Co Ltd
Beijing Municipal Construction Co Ltd
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Beijing No1 Municipal Constriction Engineering Co Ltd
Beijing Municipal Construction Co Ltd
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Priority to CN201710574228.5A priority Critical patent/CN107245953B/en
Publication of CN107245953A publication Critical patent/CN107245953A/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
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01CCONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C1/00Design or layout of roads, e.g. for noise abatement, for gas absorption
    • E01C1/04Road crossings on different levels; Interconnections between roads on different levels

Abstract

The present invention relates to a kind of crossed construction methods of multilayer bridge structure, and setting up handover pier in irregular box-girder handover pier stud position expires hall bowl buckle framed bent;Set up support top bowl buckle framed bent and door opening bowl buckle framed bent among Bailey beam respectively on two width bridge floor of main line bridge;Set steel pipe column support respectively in the every width two sides in main line bridge bridge bottom, and connect along bridge above steel pipe column support to Bailey beam, along bridge to above Bailey beam across direction across bridge Bailey beam;Beam bottom bracket is arranged in direction across bridge Bailey beam to connect with irregular box-girder beam bottom mother plate, intermediate building has not only been avoided, but also meet bearing capacity and the stability requirement of whole framed bent, to ensure that construction safety and construction speed;Corresponding framed bent is arranged according to different location respectively, therefore construction cost can be saved;Simultaneously because on main deck door opening bowl buckle framed bent setting, and can satisfy the requirement that has a good transport and communication network.

Description

A kind of crossed construction method of multilayer bridge structure
Technical field
The present invention relates to engineering construction technology fields, apply more particularly, to a kind of intersection for multilayer bridge structure Work technology.
Background technique
With the development of the society, transportation network also goes from strength to strength.Since space is limited, the bridge structure number of plies of design is more next More, height is also higher and higher.And in the work progress of multilayer bridge structure, it is used to support the concrete frame of bridge structure The selection of form and position are particularly important, it will directly influence the construction safety of multilayer bridge structure, construction speed, Construction cost has a good transport and communication network.
For main line bridge middle position, there are building structure (such as station, exhibition center, theaters), and need above building structure The multilayer bridge structure that the traffic of four direction is connected to by irregular box-girder is set, and the construction of irregular box-girder is led The influence of building structure among line bridge and main line bridge, selection and the position of framed bent form it is also contemplated that it is limited because Element.
Existing framed bent form has following three kinds of forms: full hall bowl fastening type framed bent, full hall disk mouth formula framed bent, steel pipe column combination shellfish Lei Liang.
The based process range of full hall bowl fastening type framed bent therein is big, and framed bent is caused to set up position and main line bridge middle position Existing building structure conflict influences the construction speed of building structure among main line bridge.
Due to the presence of intermediate building structure, full hall disk button framed bent therein can not be attached with contiguous structure object, It is unsatisfactory for full hall disk button framed bent code requirement, the overall stability of the full hall disk button framed bent is difficult to ensure;And framed bent is taken It is located on main line bridge, construction road can be blocked, be unsatisfactory for that the road is clear and require.
For steel pipe column combination Bailey beam construction method, to guarantee that the current headroom of main line bridge vehicle, Bailey beam cannot adopt With Bailey beam is reinforced, its deflection value in this way can be more than code requirement, be unsatisfactory for security requirement.
As it can be seen that existing any one box beam framed bent form is unable to satisfy whole constructions of above-mentioned multilayer bridge structure situation It is required that be easy to cause can not on time, safety, smooth construction and the demand having a good transport and communication network.
Summary of the invention
The purpose of the present invention is it is more to provide one kind aiming at the problem that framed bent form is unsatisfactory for multilayer bridge structure construction requirement Layer bridge structure crossed construction method, can guarantee the duration, safety, the coast is clear construction requirement.
The purpose of the present invention is achieved through the following technical solutions:
The present invention provides a kind of bent device of multilayer bridge structure comprising:
Handover pier expires hall bowl buckle framed bent, support top bowl buckle framed bent among Bailey beam, door opening bowl buckle framed bent, steel pipe column support, shellfish Lei Liang and beam bottom bracket;
The handover pier expires hall bowl buckle framed bent and is located at four handover pier stud positions of irregular box-girder;The handover pier expires hall bowl buckle Thick pillar connection is carried out using profile between framed bent and adjacent pier stud;
Support top bowl buckle framed bent is located at middle position of the main line bridge wherein on a width bridge floor among the Bailey beam;The door opening Bowl buckle framed bent is located on another width bridge floor of main line bridge;
The steel pipe column supports totally four row, is located at the two sides of the every width bridge floor of main line bridge, and in the support of every row's steel pipe column, It is welded as a whole between adjacent steel string supports using fashioned iron;
The Bailey beam includes along bridge to Bailey beam and direction across bridge Bailey beam;The suitable bridge is fixedly connected on institute to Bailey beam Steel pipe column support top is stated, extends to the pier stud at irregular box-girder both ends to direction along bridge;The direction across bridge Bailey beam is across institute It states along bridge to the top of support top bowl buckle framed bent and door opening bowl buckle framed bent among Bailey beam, Bailey beam, direction across bridge direction extends to different The pier stud at shape box beam both ends;
The beam bottom bracket is located at the top of direction across bridge Bailey beam, irregular box-girder beam bottom mother plate lower section.
It is highly preferred that the beam bottom bracket includes:
Beam bottom bowl buckle framed bent or the lumps of wood;
When direction across bridge Bailey beam is greater than setting height threshold value away from irregular box-girder bottom beam end template distance, the beam bottom is set Bowl buckle framed bent is located at the top of direction across bridge Bailey beam, irregular box-girder beam bottom mother plate lower section, and uses full hall bowl buckle rack form;
When direction across bridge Bailey beam away from irregular box-girder bottom beam end template distance be less than setting height threshold value constantly, described in support pad side Wood is below the top of direction across bridge Bailey beam, irregular box-girder beam bottom mother plate.
It is highly preferred that the handover pier, which is expired, places plank between hall bowl buckle framed bent and its basis.
It is highly preferred that among the Bailey beam before the bottom of support top bowl buckle framed bent and main line bridge between place
Steel plate;
And/or
Steel plate is placed between before the bottom of door opening bowl buckle framed bent and main line bridge.
It is highly preferred that laying observation point in the direction across bridge Bailey beam.
It is highly preferred that a kind of bent device of multilayer bridge structure further include:
In the full hall bowl buckle framed bent of the ring road pars basilaris pontis setting joined with main line bridge.
It is highly preferred that expiring hall bowl buckle framed bent in the handover pier, support top bowl buckle framed bent and door opening bowl buckle row among Bailey beam In frame, upright bar horizontal spacing is not less than horizontal spacing threshold, and longitudinal pitch is not less than to indulge spacing threshold, and step pitch is not less than step pitch threshold Value;Along short transverse, one of horizontal cross brace is then set at interval of the first interval threshold.
The present invention also provides a kind of crossed construction methods of multilayer bridge comprising:
Step S101 sets up main line bridge box beam, and carries out main line bridge bridge deck concrete pavement based on main line bridge box beam;
Step S102, the pier stud positioned at the center of irregular box-girder are constructed;
Step S103 constructs to all steel pipe column brace foundations for being located at the every width two sides of main line bridge at main line bridge bridge bottom And the assembly of steel pipe column support;It constructs simultaneously to fabric structure among main line bridge;
Step S104 sets up suitable bridge to Bailey beam above steel pipe column support;Then along bridge to setting up above Bailey beam Direction across bridge Bailey beam;It constructs simultaneously to fabric structure among main line bridge;
Step S105, full hall bowl buckle bent foundation construction;Expire hall bowl buckle bent foundation based on this, sets up friendship in handover Dun Chu Connecing pier expires hall bowl buckle framed bent;Support top bowl buckle framed bent among Bailey beam is set up on the side bridge floor of main line bridge, on the bridge floor of the other side Set up door opening bowl buckle framed bent;Beam bottom bracket is set up on direction across bridge Bailey beam;Simultaneously to fabric structure among main line bridge into Row construction;
Step S106, special-shaped box girder construction, and suspend during special-shaped box girder construction to fabric structure among main line bridge Construction.
It is highly preferred that the crossed construction method of the multilayer bridge further include:
Full hall bowl buckle row is arranged in the ring road pars basilaris pontis joined with main line bridge in step S100 before step S101 Frame.
It is highly preferred that the crossed construction method of the multilayer bridge further include:
After the completion of Bailey beam is set up, observation point is laid in direction across bridge Bailey beam, and place and observe in the observation point Equipment;
During step S106 carries out special-shaped box girder construction, Bailey beam amount of deflection is monitored by the observation device and is sunk The excessive abnormal conditions of amount of deflection such as occur for value, suspend subsequent irregular box-girder construction.
The present invention has the following technical effect that it can be seen from the technical solution of aforementioned present invention
Setting up handover pier in four handover pier stud positions of irregular box-girder expires hall bowl buckle framed bent;In two width opposite direction of main line bridge Bridge floor on set up support top bowl buckle framed bent and door opening bowl buckle framed bent among Bailey beam respectively;In the two sides of the every width bridge floor of main line bridge point Row's steel pipe column support is not set up, and is fixedly connected above steel pipe column support along bridge to Bailey beam and is extended to along bridge to direction The pier stud at irregular box-girder both ends, along bridge to above Bailey beam across direction across bridge Bailey beam and direction across bridge direction extends to irregular box The pier stud at beam both ends;Setting beam bottom bracket connects with irregular box-girder beam bottom mother plate above direction across bridge Bailey beam, both avoids centre Building, and bearing capacity and the stability requirement of whole framed bent are met, to ensure that construction safety and construction speed;Due to Corresponding framed bent is arranged according to different location respectively, therefore construction cost can be saved;Simultaneously because door opening bowl buckle on main deck The setting of framed bent, and can satisfy the requirement that has a good transport and communication network.
Detailed description of the invention
Fig. 1 is a kind of applicable multilayer bridge structure schematic diagram of bent device of multilayer bridge structure provided by the invention;
Fig. 2 is a kind of elevation of the bent device of multilayer bridge structure provided by the invention;
Fig. 3 is a kind of plan view of the bent device of multilayer bridge structure provided by the invention;
Fig. 4 is a kind of construction process figure of the crossed construction method of multilayer bridge structure provided by the invention;
In attached drawing:
Handover pier expires hall bowl buckle framed bent 1, support top bowl buckle framed bent 2 among Bailey beam, door opening bowl buckle framed bent 3, steel pipe column support 4, Bailey beam 5, beam bottom bowl buckle framed bent 6, the lumps of wood 7;Along bridge to Bailey beam 5-1 and direction across bridge Bailey beam 5-2.
Specific embodiment
The present invention is described in further details below with reference to attached drawing.
Embodiment one:
The embodiment of the present invention one provides a kind of bent device of multilayer bridge structure, and it is suitable for multilayers as shown in Figure 1 Bridge structure, the multilayer bridge structure are from top to bottom total to four-layer structure: first layer is irregular box-girder structure, is probably in cross, The traffic of four direction is connected to, structure type be cast-in-place prestressed reinforced concrete structure, the four of irregular box-girder structure Pier stud is respectively provided with below a angle, number is respectively B1P10, B1P8, B2-1P6, B2-2P0, the middle position of irregular box-girder structure B1P9 pier stud is set;B1P8 pier stud is located at irregular box-girder east side, and the vehicle of east side bridge is connect with irregular box-girder;B1P10 pier Column is located at irregular box-girder west side, and the vehicle of west side bridge is connect with irregular box-girder;B2-1P6 pier stud is located at irregular box-girder north side, The vehicle of north side bridge is connect with irregular box-girder;B2-2P0 pier stud is located at irregular box-girder southern side, by the vehicle of southern side bridge with Irregular box-girder connection.The second layer is station, is located at irregular box-girder in the following, structure type is reinforced concrete frame structure;Third layer is Main line bridge east width and western width, are located at station east and west sides, and structure type is precast prestressed box beam;4th layer is and main line The S2 ramp bridge that bridge connects is located at station north side, enters and leaves from main line bridge east width and western width and bypasses along camber line from station north side, and The ramp bridge bridge floor is located at below main line bridge, and structure type is cast-in-place prestressed reinforced concrete structure.
The structure of embodiment one is as shown in Figures 2 and 3, including such as lower component:
Handover pier expires hall bowl buckle framed bent 1, support top bowl buckle framed bent 2 among Bailey beam, door opening bowl buckle framed bent 3, steel pipe column support 4, Bailey beam 5, beam bottom bowl buckle framed bent 6, the lumps of wood 7.Wherein Bailey beam 5 includes along bridge to Bailey beam 5-1 and direction across bridge Bailey beam 5- 2。
Handover pier expires hall bowl buckle framed bent 1 and is located at four handover pier stud positions of irregular box-girder, due to irregular box-girder be located at this four The part box beam of top is solid in a handover pier stud band of position, and concrete load is larger, therefore the handover pier stud position area 1 structure of hall bowl buckle framed bent is expired using handover pier in domain, can increase reaction of bearing and integrally-built stability, while can reduce shellfish Thunder beam section span increases safety.Handover pier, which is expired, to be carried out between hall bowl buckle framed bent 1 and adjacent pier stud using profile (such as steel pipe) Thick pillar connection, the vertical spacing of profile for thick pillar connection are the vertical spacing threshold (such as 4m) not less than thick pillar profile;Handover Pier expires the upright bar horizontal spacing in hall bowl buckle framed bent 1 not less than horizontal spacing threshold value (such as 0.6m), and it is vertical that longitudinal pitch, which is not less than, To spacing threshold (0.6m), step pitch is not less than step pitch spacing threshold (such as 0.6m);Along short transverse, at interval of the first interval threshold One of horizontal cross brace is then arranged in value (2.4m).Handover pier expires the outside of hall bowl buckle framed bent 1 at interval of the second interval threshold (such as 4.2m) one of vertical bridging of setting, for the brace and ground angle of bridging between 45 °~60 °, surrounding is continuous the bottom of to top Setting.Expire in the stress to main line bridge bridge floor of hall bowl buckle framed bent 1 to uniformly transfer handover pier, expires hall bowl buckle row in the handover pier Plank is placed between frame 1 and its basis.
Support top bowl buckle framed bent 2 is located at the middle position on the width bridge floor of main line bridge east among Bailey beam.Due to the main line bridge east The deflection deformation of middle position spandrel girder on width bridge floor is maximum, so in the middle position using branch pagoda of bowls among Bailey beam It detains framed bent 2 and support top is carried out to the irregular box-girder on top, can reduce the middle position spandrel girder on the width bridge floor of main line bridge east Amount of deflection is capable of increasing simultaneously so that the deflection value of the middle position spandrel girder on the width bridge floor of main line bridge east is within the specified scope The contact area of support top bowl buckle framed bent 2 and main line bridge bridge floor, the load that top is transmitted are changed into linearly among Bailey beam Load, bridge floor will not be subject to crushing.Among the Bailey beam in support top bowl buckle framed bent 2, upright bar horizontal spacing is not less than horizontal spacing threshold (such as 0.6m), longitudinal pitch are not less than to indulge spacing threshold (0.6m), and step pitch is not less than step pitch threshold value (such as 0.6m);Along height One of horizontal cross brace is then arranged at interval of the first interval threshold (2.4m) in direction.
To increase the contact area among Bailey beam between support top bowl buckle framed bent 2 and main line bridge east width bridge floor, in Bailey beam Place steel plate in the bottom of intermediate support top bowl buckle framed bent 2.
Door opening bowl buckle framed bent 3 is located on the western width bridge floor of main line bridge.Keep main bridge passage road unobstructed to meet in work progress It is required that the middle position of the door opening bowl buckle framed bent 3 is door opening, door opening two sides are respectively to expire hall bowl buckle framed bent.To prevent on top Safety accident occurs for dropped object in structure construction procedure, is placed with protective plate above door opening.To guarantee that vehicle can smoothly lead to It crosses, the width and height of door opening are not less than 5m.In the bowl buckle framed bent of door opening two sides, upright bar horizontal spacing is not less than horizontal spacing threshold (such as 0.6m), longitudinal pitch are not less than to indulge spacing threshold (0.6m), and step pitch is not less than step pitch threshold value (such as 0.6m);Along height One of horizontal cross brace is then arranged at interval of the first interval threshold (2.4m) in direction.To increase door opening bowl buckle framed bent 3 and main line bridge Contact area between western width bridge floor places steel plate between 3 bottom of door opening bowl buckle framed bent and the western width bridge floor of main line bridge.
Above-mentioned is that door opening bowl buckle is arranged to select the western width of main line bridge as Construction traffic running route, therefore in the western width of main line bridge Framed bent 3.Certainly, if selected main line bridge east width is Construction traffic running route, door opening bowl can also be set in main line bridge east width Detain framed bent 3.
4 totally four row of steel pipe column support, is located at main line bridge east width two sides and the western width two sides of main line bridge, adjacent steel pipe column branch For average headway between support 4 no more than equal spacing threshold (such as 2.0m) is managed, the maximum spacing between adjacent steel string supports 4 is little In largest tube spacing threshold (such as 2.2m).
Within the scope of being located at station because of the support of part steel pipe column, frame AT STATION is put into the steel pipe column support 4 of these parts Other than setting a roof beam in place, when applying station floor layer, this part steel pipe column supports the floor concrete of 4 positions that wouldn't pour, to top Irregular box-girder pours completion, segmented dismounting steel pipe column support 4.Floor layer reinforcing bar is attached by code requirement, then pours this Position floor concrete.For convenience of steel pipe column support 4 is removed, the steel pipe column support 4 within the scope of station is saved using 2m/, outside the range of station Steel pipe column support 4 using 6m/ save.
Since steel pipe column support 4 is single placement, and thick pillar connection can not be carried out with pier stud, therefore adjacent steel string supports It is welded as a whole between 4 using profile (such as I-steel), reinforces overall stability, while the steel pipe column support 4 in strip footing More high-intensitive expansion foundation bolts are played in position, will expand the anchor connection of foundation bolt whole, avoid producing during box girder construction The accident of raw unstability.
Bailey beam 5 includes being all made of not reinforced Bailey beam to Bailey beam 5-1 and direction across bridge Bailey beam 5-2 along bridge.Along bridge It is located at 4 top of steel pipe column support to Bailey beam 5-1, northwards extends to the B2-1P6 pier stud of irregular box-girder north side, extend to southwards The B2-2P0 pier stud in irregular box-girder southern side;To prevent that unstable phenomenon occurs in work progress, this is along bridge to Bailey beam 5-1 and steel pipe Firm welding is carried out using U-shaped card between column support 4.Direction across bridge Bailey beam 5-2 is positioned across Yu Shunqiao to Bailey beam 5-1, shellfish The top of support top bowl buckle framed bent 2 and door opening bowl buckle framed bent 3, westwards extends to the B1P10 pier stud in irregular box-girder west side among Lei Liang, It extends eastward to the B1P8 pier stud in irregular box-girder east side.
Observation point is laid on direction across bridge Bailey beam 5-2, Bailey beam amount of deflection sinking is monitored at any time in the construction process, such as sends out The excessive abnormal conditions of raw amount of deflection, should suspend the construction of irregular box-girder, and take emergency measures, ensure the safety of construction worker.
Beam bottom bowl buckle framed bent 6 is located at the top of direction across bridge Bailey beam 5-2, irregular box-girder beam bottom mother plate lower section, using full hall Bowl buckle rack form.
Can not be carried out by bowl buckle and taken apart from too small region away from irregular box-girder bottom beam end template by direction across bridge Bailey beam 5-2 If therefore the beam bottom bracket that the region uses no longer is beam bottom bowl buckle framed bent 6, but the support pad lumps of wood 7.
Full hall bowl buckle framed bent is arranged in S2 ring road pars basilaris pontis.Since S2 ramp bridge is shorter, so direct in its bottom box beam Full hall bowl buckle framed bent is set.
Embodiment two:
For main line bridge middle position, there are building structure (such as station, exhibition center, theaters), and need above building structure Three layers of bridge structure situation that the traffic of four direction is connected to by irregular box-girder are set.It is fitted with embodiment one With the case where compare, lacked with main line bridge handover S2 ramp bridge.In this case, using embodiment two.The embodiment two with It is in place of the difference of embodiment one, no longer includes the full hall bowl buckle framed bent that ring road bottom is set in the embodiment two, remaining It is the same as example 1, is not detailed herein.
Embodiment three:
For main line bridge middle position, there are intermediate building structure (such as station, exhibition center, theaters), and in building structure Side needs to be arranged three layers of bridge structure that the traffic of four direction is connected to by irregular box-girder, and the present invention also provides one kind The crossed construction method of multilayer bridge structure, construction process is as shown in figure 4, include the following steps:
Step S101 sets up main line bridge box beam, and carries out main line bridge bridge deck concrete pavement based on main line bridge box beam.
After prefabricated main line bridge box girder transport to construction site, first set up;Then carried out based on the main line bridge box beam Main line bridge bridge deck concrete pavement.
Step S102, the center B1P9 pier stud positioned at irregular box-girder are constructed.
Step S103, all steel pipe columns support the assembly of 4 foundation constructions and steel pipe column support 4.
Along bridge to direction, all steel pipe in main line bridge east width two sides and western width two sides is located at main line bridge bridge bottom Column supports the assembly of 4 foundation constructions and steel pipe column support 4;
The basis of steel pipe column support 4 is strip footing, using C30 reinforced concrete structure, between steel pipe column support 4 and its basis Using more high-strength expansion bolts, by foundation bolt whole anchor connection.
Step S104, Bailey beam are set up.
4 tops will be supported loaded on steel pipe column to Bailey beam 5-1 along bridge, direction across bridge Bailey beam 5-2 is across suitable bridge to shellfish Above thunder beam 5-1.
After the completion of Bailey beam is set up, observation point is laid on direction across bridge Bailey beam 5-2 and places observation device.
Step S105, all full hall bowl buckle bent foundation constructions and full hall bowl buckle framed bent are set up.
Full hall bowl buckle bent foundation construction, and carry out full hall bowl buckle framed bent after base concrete solidification and set up: joining Dun Chu, which sets up handover pier, expires hall bowl buckle framed bent 1;Support top bowl buckle framed bent 2 among Bailey beam is set up on the width bridge floor of main line bridge east, Door opening bowl buckle framed bent 3 is set up on the western width bridge floor of main line bridge;Beam bottom bowl buckle framed bent 6 or side are set up on direction across bridge Bailey beam 5-2 Wood 7.
Step S106, special-shaped box girder construction.
Abnormal shape of constructing above beam bottom bracket box beam.During irregular box-girder concrete placings, the construction at pause lower section station, to After the completion of box beam concrete placings, construction station can continue.Sight during special-shaped box girder construction by being placed in Bailey beam Measurement equipment monitors Bailey beam amount of deflection sinking at any time, and the excessive abnormal conditions of amount of deflection such as occur, should suspend subsequent irregular box-girder Construction, and take emergency measures, ensure the safety of construction worker.
Step S107, full hall framed bent dismounting → Bailey beam dismounting → steel pipe column support and basis are removed.
Carry out construction station structure construction simultaneously during step S103~S105 and step S107.
If station structure does not complete also, then continues to construct to the station structure after step S107 is completed.
Example IV:
For four layers of bridge structure as shown in Figure 1, the present invention also provides the crossed construction sides of another multilayer bridge structure Method, in four layers of bridge structure, there are building structure (such as station, exhibition center, theaters) in main line bridge middle position, and build knot It needs to be arranged irregular box-girder above structure to be connected to the traffic of four direction, main line pars basilaris pontis has S2 ring road.For this The crossed construction method for another multilayer bridge structure that inventive embodiments four provide, on the basis of above-described embodiment three, also Include:
Full hall bowl buckle row is arranged in the ring road pars basilaris pontis joined with main line bridge in step S100 before step S101 Frame.Since S2 ramp bridge is shorter, so full hall bowl buckle framed bent is directly arranged in its bottom box beam.
Above-mentioned is to be illustrated so that building among main line bridge is station as an example, but the present invention is not limited thereto, Intermediate building can also be other buildings such as exhibition center etc..
The present invention is used and is set up in four handover pier stud positions of irregular box-girder it can be seen from embodiments of the invention described above Handover pier expires hall bowl buckle framed bent 1;Support top bowl buckle among Bailey beam is set up respectively on the bridge floor of two width opposite direction of main line bridge to arrange Frame 2 and door opening bowl buckle framed bent 3;Row's steel pipe column support 4 is set up respectively in the two sides of the every width bridge floor of main line bridge, and in steel pipe column branch 4 top of support is fixedly connected with the pier stud that irregular box-girder both ends are extended to direction along bridge to Bailey beam 5-1 and along bridge, along bridge to shellfish The top thunder beam 5-1 is across direction across bridge Bailey beam 5-2 and direction across bridge direction extends to the pier stud at irregular box-girder both ends;Direction across bridge shellfish thunder Setting beam bottom bracket connects with irregular box-girder beam bottom mother plate above beam 5-2, has not only avoided intermediate building, but also meet whole row The bearing capacity of frame and stability requirement, to ensure that construction safety and construction speed;Due to being arranged respectively according to different location Corresponding framed bent, therefore construction cost can be saved;Simultaneously because on main deck door opening bowl buckle framed bent setting, and can satisfy Have a good transport and communication network requirement.
The present invention is by that can guarantee entire multilayer bridge structure with the combination framed bent of intermediate fabric structure crossed construction Construction speed.
Although the present invention has been described by way of example and in terms of the preferred embodiments, embodiment does not limit the present invention.This hair is not being departed from In bright spirit and scope, any equivalent change or retouch done also belongs to the protection scope of the present invention.Therefore the present invention Protection scope should be based on the content defined in the claims of this application.

Claims (7)

1. a kind of crossed construction method of multilayer bridge structure, which is characterized in that the multilayer bridge structure from top to bottom totally four Layer structure: first layer is irregular box-girder structure, is respectively provided with pier below four angles of the irregular box-girder structure and middle position Column;The second layer is station, is located at below irregular box-girder;Third layer is served as theme bridge, including two width bridge floors, and the station is located at Two sides;4th layer is the S2 ramp bridge to connect with main line bridge;The crossed construction method of the multilayer bridge structure includes:
Step S101 sets up main line bridge box beam, and carries out main line bridge bridge deck concrete pavement based on main line bridge box beam;
Step S102, the pier stud positioned at the center of irregular box-girder are constructed;
Step S103 supports (4) foundation construction to all steel pipe columns for being located at the every width two sides of main line bridge at main line bridge bridge bottom And the assembly of steel pipe column support (4);It constructs simultaneously to the building structure in main line bridge middle position;
Step S104 sets up along bridge to Bailey beam (5-1) above steel pipe column support (4) and extends to irregular box to direction along bridge The pier stud at beam both ends;Then setting up direction across bridge Bailey beam (5-2) to above Bailey beam (5-1) along bridge, make its across along bridge to The top of Bailey beam (5-1), direction across bridge direction extend to the pier stud at irregular box-girder both ends;Main line bridge middle position is built simultaneously Building structure is constructed;
Step S105, full hall bowl buckle bent foundation construction;Expire hall bowl buckle bent foundation based on this, in four handover piers of irregular box-girder Place, which sets up handover pier, expires hall bowl buckle framed bent (1), and the handover pier is expired between hall bowl buckle framed bent (1) and adjacent pier stud using profile Carry out thick pillar connection;Support top bowl buckle framed bent (2) among Bailey beam is set up on a width bridge floor of main line bridge, is taken on another width bridge floor Gating hole bowl buckle framed bent (3);Beam bottom bracket is set up on direction across bridge Bailey beam (5-2);Simultaneously to main line bridge middle position Building structure is constructed;
Step S106, special-shaped box girder construction, and building structure of the pause to main line bridge middle position during special-shaped box girder construction Construction;
The bent device of the multilayer bridge structure formed by the crossed construction method of the multilayer bridge structure includes:
Handover pier expires hall bowl buckle framed bent (1), support top bowl buckle framed bent (2), door opening bowl buckle framed bent (3), steel pipe column branch among Bailey beam It supports (4), Bailey beam (5) and beam bottom bracket;
The handover pier expires hall bowl buckle framed bent (1) and is located at four handover pier stud positions of irregular box-girder;The handover pier expires hall bowl buckle Thick pillar connection is carried out using profile between framed bent (1) and adjacent pier stud;
Support top bowl buckle framed bent (2) is located at middle position of the main line bridge wherein on a width bridge floor among the Bailey beam;The door opening Bowl buckle framed bent (3) is located on another width bridge floor of main line bridge;
The steel pipe column supports (4) totally four row, is located at the two sides of the every width bridge floor of main line bridge, and every row's steel pipe column support (4) In, adjacent steel string supports are welded as a whole between (4) using fashioned iron;
The Bailey beam (5) includes along bridge to Bailey beam (5-1) and direction across bridge Bailey beam (5-2);The suitable bridge is to Bailey beam (5- 1) it is fixedly connected on above the steel pipe column support (4), extends to the pier stud at irregular box-girder both ends to direction along bridge;The cross-bridges The suitable bridge is across to support top bowl buckle framed bent (2) and door opening bowl buckle among Bailey beam (5-1), Bailey beam to Bailey beam (5-2) The top of framed bent (3), direction across bridge direction extend to the pier stud at irregular box-girder both ends;
The beam bottom bracket is located at the top of direction across bridge Bailey beam (5-2), irregular box-girder beam bottom mother plate lower section.
2. a kind of crossed construction method of multilayer bridge structure according to claim 1, which is characterized in that the multilayer bridge The crossed construction method of girder construction further include:
Full hall bowl buckle framed bent is arranged in the ring road pars basilaris pontis joined with main line bridge in step S100 before step S101.
3. a kind of crossed construction method of multilayer bridge structure according to claim 1 or 2, which is characterized in that described more The crossed construction method of layer bridge structure further include:
After the completion of Bailey beam is set up, observation point is laid on direction across bridge Bailey beam (5-2), and place and observe in the observation point Equipment;
During step S106 carries out special-shaped box girder construction, Bailey beam amount of deflection sinking is monitored by the observation device, such as The excessive abnormal conditions of amount of deflection occur, suspend subsequent irregular box-girder construction.
4. a kind of crossed construction method of multilayer bridge structure according to claim 1, which is characterized in that the multilayer bridge Beam bottom bracket in the bent device of girder construction includes:
Beam bottom bowl buckle framed bent (6) or the lumps of wood (7);
When direction across bridge Bailey beam (5-2) is greater than setting height threshold value away from irregular box-girder bottom beam end template distance, the beam is set Bottom bowl buckle framed bent (6) is located at the top of direction across bridge Bailey beam (5-2), irregular box-girder beam bottom mother plate lower section, and uses full hall bowl buckle Rack form;
When direction across bridge Bailey beam (5-2) is less than setting height threshold value away from irregular box-girder bottom beam end template distance, side described in support pad Wooden (7) are below the top of direction across bridge Bailey beam (5-2), irregular box-girder beam bottom mother plate.
5. a kind of crossed construction method of multilayer bridge structure according to claim 4, which is characterized in that
Expire in the handover pier and places plank between hall bowl buckle framed bent (1) and its basis.
6. a kind of crossed construction method of multilayer bridge structure according to claim 4, which is characterized in that
Steel plate is placed between the bottom and main line bridge bridge floor of support top bowl buckle framed bent (2) among the Bailey beam;
And/or
Steel plate is placed between the bottom and main line bridge bridge floor of door opening bowl buckle framed bent (3).
7. a kind of crossed construction method of multilayer bridge structure according to claim 4, which is characterized in that
Expire in hall bowl buckle framed bent (1), Bailey beam centre support top bowl buckle framed bent (2) and door opening bowl buckle framed bent (3) in the handover pier, Upright bar horizontal spacing is not less than horizontal spacing threshold, and longitudinal pitch is not less than vertical spacing threshold, and step pitch is not less than step pitch threshold value;Along One of horizontal cross brace is then arranged at interval of the first interval threshold in short transverse.
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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107858930B (en) * 2017-11-21 2021-01-05 重庆建工市政交通工程有限责任公司 Multilayer cast-in-situ box girder overlapping construction method
CN108103947A (en) * 2017-12-21 2018-06-01 芜湖铁路桥梁制造有限公司 The construction method of three layers of bridge
CN108330835A (en) * 2018-01-31 2018-07-27 中铁二十二局集团第工程有限公司 The construction method of setting bracket
CN111455800B (en) * 2020-03-12 2021-04-27 中铁大桥局集团有限公司 Construction method of double-layer double-width bridge with wide top and narrow bottom

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005155080A (en) * 2003-11-21 2005-06-16 Ps Mitsubishi Construction Co Ltd Construction method of bridge girder
CN201502165U (en) * 2009-09-21 2010-06-09 中冶建工有限公司 Falsework structure for multi-layer overpass synchronous construction
CN201722615U (en) * 2010-06-01 2011-01-26 中铁二十二局集团有限公司 Spanning type construction system with large-span box girder
CN103321151A (en) * 2012-03-21 2013-09-25 中交二公局第六工程有限公司 Key construction technology for large-span continuous box beam to cross existing railway bracket
CN203782544U (en) * 2014-04-21 2014-08-20 北京市政建设集团有限责任公司 Combined bracket for river-crossing section of elevated bridge
CN204940121U (en) * 2015-07-29 2016-01-06 浙江天宇交通建设集团有限公司 Cast-in-situ box girder high large span form bracing system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005155080A (en) * 2003-11-21 2005-06-16 Ps Mitsubishi Construction Co Ltd Construction method of bridge girder
CN201502165U (en) * 2009-09-21 2010-06-09 中冶建工有限公司 Falsework structure for multi-layer overpass synchronous construction
CN201722615U (en) * 2010-06-01 2011-01-26 中铁二十二局集团有限公司 Spanning type construction system with large-span box girder
CN103321151A (en) * 2012-03-21 2013-09-25 中交二公局第六工程有限公司 Key construction technology for large-span continuous box beam to cross existing railway bracket
CN203782544U (en) * 2014-04-21 2014-08-20 北京市政建设集团有限责任公司 Combined bracket for river-crossing section of elevated bridge
CN204940121U (en) * 2015-07-29 2016-01-06 浙江天宇交通建设集团有限公司 Cast-in-situ box girder high large span form bracing system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"平行上跨既有桥梁的箱梁支架设计与施工";赵荣国;《铁道建筑》;20131130(第11期);文献第2.1节 *
"绕城互通跨线箱梁的施工与交通组织设计";李友谊等;《四川水力发电》;20140430(第2期);文献第2.1节 *

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