CN104213501A - Cable-stayed bendable opening trestle structure and construction method thereof - Google Patents
Cable-stayed bendable opening trestle structure and construction method thereof Download PDFInfo
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Abstract
The invention discloses a cable-stayed bendable opening trestle structure and a construction method thereof. The method comprises the steps as follows: two groups of lattice columns are respectively arranged at each side of a set bridge floor position; a distribution base is arranged at the top end of each lattice column; a winding engine is arranged on each distribution base; fixed support piles are plugged into the inner sides of the lattice columns at two sides; bent pier pipe piles are plugged between the two groups of lattice columns at the same side; an H-shaped steel beam is hoisted on the tops of a plurality of bent pier pipe piles at each side; an upper structure of a unilateral bridge is arranged on the H-shaped steel beam at each side; the tension ends of front stay cables which are connected with two of the four winding engines at one side are fixed at the front end parts of front open sections at the same side; the tension ends of rear stay cables which are connected with the other two winding engines at the side are fixed at the front ends of rear open sections of the side. By adopting the method, the navigable clearance limit of a channel is removed by the design of a cable-stayed system bending structure, and a large ship can be ensured to pass under the permissive condition of the ship width.
Description
Technical field
The present invention relates to Bridge Construction field, relate in particular to a kind of for having structure and the construction method of the bridge construction trestle of navigation demand.
Background technology
The current known door type structure trestle mode that mainly adopts while carrying out bridge construction in the waters that has navigation demand, this kind of construction method only can allow small-sized, short boats and ships to pass through, and as excessively in navigational clearance can impact bridge both sides constructions, make to have inconvenient traffic, be unfavorable for the turnover of construction machinery, material.In addition, a kind of lifting appliance is disclosed in the patent of publication number CN202369929U and CN202688850U, this device only can provide limited navigational clearance, the height that exceeds the water surface that the limit height of its navigational clearance is the lattice column of its setting and suspension bridge height poor.
Summary of the invention
The object of the invention is to overcome the deficiency of prior art, provide a kind of width of opening the navigation or air flight wide and unlimited navigational clearance can be provided, can guarantee simultaneously trestle restore after the bent unlatching trestle work structure of smooth a kind of cable-stayed type and the construction method thereof of body structure surface.
For achieving the above object, the present invention adopts following technical proposals:
The bent unlatching trestle work structure of a kind of cable-stayed type of the present invention, it comprise along vertical bridge to bridge floor both sides spaced four groups of lattice columns for vertical load-bearing, between 4 steel pipes of each group lattice column, be welded and fixed connected, top at each group lattice column is fixed with distribution base, inner side at both sides lattice column has set respectively supporting pile, between two groups of lattice columns of homonymy, be provided with at least one and strengthen framed bent Temporary Piers, described reinforcement framed bent Temporary Piers comprises the many piece framed bent pier pile tubes of inserted to play between two groups of lattice columns of homonymy, between described framed bent pier pile tube, be weldingly connected, the many framed bent pier pipe pile top solder at homonymy are fixed an i iron crossbeam, two identical one-sided bridge superstructures form the whole bridge superstructure that can open, each one-sided bridge superstructure includes a plurality of shellfish thunder sheets connected with each other, on the upper chord of described shellfish thunder sheet, be fixed with many spaced horizontal i iron, on described horizontal i iron, be fixed with many spaced longitudinal i iron, on described longitudinal i iron, be fixed with bridge system structure, described shellfish thunder sheet a plurality of connected with each other comprises that the reinforcement chord member by shellfish thunder sheet is weldingly fixed on the canned paragraph on the i iron crossbeam of corresponding side, described canned paragraph front end is connected with the rear unlatching section rear end of extending to bridge central authorities by turning hinge, the described rear section front end of opening is connected with the front unlatching section rear end of extending to bridge central authorities by turning hinge, described rear unlatching section rear end and front portion are supported on respectively on i iron crossbeam and on supporting pile, the front front end of opening section of described bridge both sides adopts pin to connect when trestle work structure is set level, at each, distribute on base and be all fixed with four hoist engines, in the inner side of each lattice column, be respectively arranged with, lower limit crossbeam, the pulling force end that the pulling force end of the front suspension cable being connected with two hoist engines in four hoist engines of a side is fixed on the front rear suspension cable of opening the leading section of section and being connected with other two hoist engines of this side of homonymy is fixed on this side the rear front end of opening section, described front unlatching section can be under the drive of hoist engine turning-over support on upper limit crossbeam, described rear unlatching section can be under the drive of hoist engine turning-over support on lower limit crossbeam.
The bent unlatching trestle work structure of a cable-stayed type construction method, it comprises the following steps:
(1) in each side of bridge floor position of setting, two groups of lattice columns are set respectively, each group lattice column is comprised of 4 steel pipes, between 4 steel pipes of each group lattice column, be welded and fixed connected, then on each lattice column top, install and distribute base, then each distribute four hoist engines are installed on base and in each lattice column inner side between the upper and lower every the upper and lower spacing crossbeam of welding respectively;
(2) in the inner side of both sides lattice column along bridge to inserted to play fixed support stake respectively to setting absolute altitude;
(3) between two groups of lattice columns of homonymy, inserted to play framed bent pier pile tube, to setting absolute altitude, then forms at least one by being weldingly connected between described framed bent pier pile tube and strengthens framed bent Temporary Piers;
(4) on many framed bent Dun Guanzhuanzhuanding of every side, hang an i iron crossbeam, i iron crossbeam is placed on framed bent pier pipe pile center, top and adjusts after level, and i iron crossbeam is connected with framed bent pier pipe pile top solder;
(5) an one-sided bridge superstructure is installed on the i iron crossbeam of every side, two identical one-sided bridge superstructures form the whole bridge superstructure that can open, each one-sided bridge superstructure includes a plurality of shellfish thunder sheets connected with each other, and described shellfish thunder sheet a plurality of connected with each other comprises that the reinforcement chord member by shellfish thunder sheet is arranged on the canned paragraph on the i iron crossbeam of corresponding side; Described canned paragraph front end is connected with the rear unlatching section rear end of extending to bridge central authorities by turning hinge, described rear unlatching section rear end and front portion are supported on respectively on i iron crossbeam and on supporting pile, the described rear section front end of opening is connected with the front unlatching section rear end of extending to bridge central authorities by turning hinge, and the front front end of opening section of described bridge both sides adopts pin to connect when trestle work structure is set level temporarily;
(6) on the upper chord of the shellfish thunder sheet described in each side, lay fixing many spaced horizontal i iron;
(7) laterally on i iron, laying many spaced longitudinal i iron, laterally i iron and longitudinally i iron intersection area adopt full weld to be welded and fixed, fixing bridge system structure on described longitudinal i iron then;
(8) the pulling force end that is fixed on the front rear suspension cable of opening the leading section of section and being connected with other two hoist engines of this side of homonymy with the pulling force end of two front suspension cables that are connected in four hoist engines of a side is fixed on the rear front end of opening section of this side, remains that front suspension cable is connected with rear suspension cable and unlatching section.
The invention has the beneficial effects as follows:
(1) navigational clearance of having eliminated navigation channel by the design of oblique pull system bending structure limits, and can guarantee that large ship passes through under beam of hull enabled condition.
(2) adopt oblique pull bending trestle system can increase current channel width.
(3) can guarantee that the bridge floor of construction bridge when navigation does not require is smooth-going, can guarantee that oversize vehicle passes through.
(4) can meet the needs of the transhipments such as machinery, material of trestle both sides constructions.
(5) form that structure adopts welding to combine with bolt is connected, and good integrity can adapt to the structural requirement of unlatching system.
(6) structure is assembling, detachable and recycling.
(7) adopt hoist engine to carry out tractive, accurately control structure is opened precision.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bent unlatching trestle work structure of a kind of cable-stayed type of the present invention.
Fig. 2 is trestle opening schematic diagram not in the bent unlatching trestle work structure of a kind of cable-stayed type of the present invention.
Fig. 3 is the schematic diagram of turning hinge in the bent unlatching trestle work structure of a kind of cable-stayed type of the present invention.
Fig. 4 is trestle superstructure schematic diagram in the bent unlatching trestle work structure of a kind of cable-stayed type of the present invention.
Fig. 5 is the structural representation that the bent unlatching trestle work structure of a kind of cable-stayed type of the present invention is strengthened framed bent Temporary Piers.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, use of the present invention is described further.
The bent unlatching trestle work structure of a kind of cable-stayed type of the present invention as shown in drawings, it comprise along vertical bridge to bridge floor both sides spaced four groups of lattice columns 1 for vertical load-bearing.Each group lattice column 14 steel pipes between be welded and fixed connected, preferably each group lattice column 14 steel pipes between upper and lower by diagonal brace, be connected with stull 2 structure weldings respectively.At the top of each group lattice column 1, be fixed with and distribute base 3, inner side at both sides lattice column 1 has set respectively supporting pile 9, between two groups of lattice columns 1 of homonymy, be provided with at least one and strengthen framed bent Temporary Piers 22, as one embodiment of the present invention, described reinforcement framed bent Temporary Piers 22 comprises the many piece framed bent pier pile tubes 24 of inserted to play between two groups of lattice columns 1 of homonymy, between described framed bent pier pile tube 24, be weldingly connected, between preferred framed bent pier pile tube 24, adopt upper and lower spaced steel pipe 23 to carry out level to being weldingly connected, and adopt channel-section steel 21 between upper and lower steel pipe 23 by adjacent framed bent pier pile tube 24 scissors to being weldingly connected.24 top solder of many framed bent pier pile tubes at homonymy are fixed an i iron crossbeam 13, two identical one-sided bridge superstructures form the whole bridge superstructure that can open, each one-sided bridge superstructure includes a plurality of shellfish thunder sheets 14 connected with each other, conventionally adopts sizing support chip 16 to be connected between shellfish thunder sheet 14.On the upper chord of described shellfish thunder sheet 14, be fixed with many spaced horizontal i iron 17, on described horizontal i iron 17, be fixed with many spaced longitudinal i iron 18, on described longitudinal i iron 18, be fixed with bridge system structure, described bridge system structure generally includes the embossed steel plates 19 as bridge floor being arranged on described longitudinal i iron 18, is fixed with railing 20 in described embossed steel plates 19.Described shellfish thunder sheet 14 a plurality of connected with each other comprises that the reinforcement chord member 15 by shellfish thunder sheet is weldingly fixed on the canned paragraph on the i iron crossbeam 13 of corresponding side, described canned paragraph front end is connected with rear unlatching section 8 rear ends of extending to bridge central authorities by turning hinge 12, described rear section 8 front ends of opening are connected with front unlatching section 7 rear ends of extending to bridge central authorities by turning hinge 12, described rear unlatching section 8 rear ends and front portion are supported on respectively on i iron crossbeam 13 and on supporting pile 9, the front front end of opening section 7 of described bridge both sides adopts pin to connect when trestle work structure is set level, at each, distribute on base 3 and be all fixed with four hoist engines 4, in the inner side of each lattice column, be respectively arranged with, lower limit crossbeam 10, the pulling force end that is fixed on the front rear suspension cable 6 of opening the leading section of section 7 and being connected with other two hoist engines 4 of this side of homonymy with the pulling force end of two front suspension cables 5 that are connected in four hoist engines 4 of a side is fixed on this side rear sections 8 the front end of opening, described front unlatching section 7 can be under the drive of hoist engine 4 turning-over support on upper limit crossbeam, described rear unlatching section 8 can be under the drive of hoist engine 4 turning-over support on lower limit crossbeam.
The bent unlatching trestle work structure of a cable-stayed type construction method, it comprises the following steps:
(1) in each side of bridge floor position of setting, two groups of lattice columns are set respectively, each group lattice column is comprised of 4 steel pipes, between 4 steel pipes of each group lattice column 1, be welded and fixed connected, between 4 steel pipes of preferred each group lattice column 1, by diagonal brace and stull 2, be fixedly weldingly connected and form bridging form, then on each lattice column top, install and distribute base 3, then each distribute four hoist engines 4 are installed on base 3 and in each lattice column inner side between the upper and lower every the upper and lower spacing crossbeam 10 of welding respectively;
(2) in the inner side of both sides lattice column 1 along bridge to inserted to play fixed support stake 9 respectively to setting absolute altitude;
(3) between two groups of lattice columns 1 of homonymy inserted to play framed bent pier pile tube 24 to setting absolute altitude, then by being weldingly connected between described framed bent pier pile tube 24, form at least one and strengthen framed bent Temporary Piers 22, between preferred framed bent pier pile tube 24, adopt upper and lower spaced steel pipe 23 to carry out level to being weldingly connected, and adopt channel-section steel 21 between upper and lower steel pipe 23 by adjacent framed bent pier pile tube 24 scissors to being weldingly connected, make to form bridging form between framed bent pier pile tube 24;
(4) the many framed bent Dun Guanzhuanzhuanding in every side hang an i iron crossbeam 13, and i iron crossbeam 13 is placed on framed bent pier pipe pile center, top and adjusts after level, and i iron crossbeam is connected with framed bent pier pipe pile top solder.
(5) an one-sided bridge superstructure is installed on the i iron crossbeam of every side, two identical one-sided bridge superstructures form the whole bridge superstructure that can open, each one-sided bridge superstructure includes a plurality of shellfish thunder sheets 14 connected with each other, described shellfish thunder sheet 14 a plurality of connected with each other comprises that the reinforcement chord member 15 by shellfish thunder sheet is fixed on the canned paragraph on the i iron crossbeam 13 of corresponding side, preferred i iron crossbeam 13 adopts U-shaped to fix with canned paragraph intersection area, and i iron crossbeam 13 and canned paragraph are welded and fixed; Described canned paragraph front end is connected with rear unlatching section 8 rear ends of extending to bridge central authorities by turning hinge 12, described rear unlatching section 8 rear ends and front portion are supported on respectively on i iron crossbeam 13 and on supporting pile 9, described rear section 8 front ends of opening are connected with front unlatching section 7 rear ends of extending to bridge central authorities by turning hinge 12, and the front front end of opening section 7 of described bridge both sides adopts pin to connect when trestle work structure is set level temporarily;
(6) on the upper chord of the shellfish thunder sheet described in each side, all lay fixing many spaced horizontal i iron, between preferred laterally i iron 17 and shellfish thunder sheet with U-shaped connection with anti-slip, and weld and be fixed with full weld;
(7) laterally on i iron, laying many spaced longitudinal i iron, laterally i iron 17 and longitudinally i iron 18 intersection areas adopt full welds to be welded and fixed, fixing bridge system structure on described longitudinal i iron then.Bridge system structure generally includes the embossed steel plates 19 as bridge floor being arranged on described longitudinal i iron 18, is fixed with railing 20 in described embossed steel plates 19, and laterally i iron 17 and longitudinal i iron 18 are as distribution beam.The fixing of embossed steel plates 19 can be in the following ways: boring in embossed steel plates 19, connects with bolt and shellfish thunder sheet 14, and embossed steel plates 19 and longitudinal i iron 18 are welded and fixed.
(8) the pulling force end that is fixed on the front rear suspension cable of opening the leading section of section and being connected with other two hoist engines of this side of homonymy with the pulling force end of two front suspension cables that are connected in four hoist engines of a side is fixed on the rear front end of opening section of this side, remains that front suspension cable 5 is connected with forward and backward unlatching section with rear suspension cable 6.
When having navigational clearance requirement, start hoist engine 4 simultaneously, the bent unlatching trestle of cable-stayed type is opened.Be opened into after certain angle, front unlatching section 7 will touch upper limit crossbeam, now, stop the tractive of front suspension cable 5.Suspension cable 6 after continuation tractive, opens section 8 until rear and touches lower limit crossbeam, now, stops the tractive of rear suspension cable 6.Because front unlatching section 7 and rear unlatchings section 8 are all to greatest extent near lattice column 1, now can be in spanning part certain width unlimited navigational clearance and navigation width is provided, permission ship 11 passes through.
When navigational clearance require to be cancelled, suspension cable 5 before first discharging, makes front unlatchings section 7 drop to equal with rear unlatchings section 8 time the rear suspension cable 6 of release simultaneously again, until the bent unlatching trestle of cable-stayed type plane drops on supporting pile 9 again.
Embodiment 1
(1) in each side of bridge floor position of setting, two groups of lattice columns are set respectively, each group lattice column is comprised of 4 steel pipes, between 4 steel pipes of each group lattice column 1, be welded and fixed connected, between 4 steel pipes of preferred each group lattice column 1, by diagonal brace and stull 2, be fixedly weldingly connected and form bridging form, then on each lattice column top, install and distribute base 3, then each distribute four hoist engines 4 are installed on base 3 and in each lattice column inner side between the upper and lower every the upper and lower spacing crossbeam 10 of welding respectively;
(2) in the inner side of both sides lattice column 1 along bridge to inserted to play fixed support stake 9 respectively to setting absolute altitude;
(3) between two groups of lattice columns 1 of homonymy inserted to play framed bent pier pile tube 24 to setting absolute altitude, then by being weldingly connected between described framed bent pier pile tube 24, form at least one and strengthen framed bent Temporary Piers 22, between framed bent pier pile tube 24, adopt upper and lower spaced steel pipe 23 to carry out level to being weldingly connected, and adopt channel-section steel 21 between upper and lower steel pipe 23 by adjacent framed bent pier pile tube 24 scissors to being weldingly connected, make to form bridging form between framed bent pier pile tube 24;
(4) the many framed bent Dun Guanzhuanzhuanding in every side hang an i iron crossbeam 13, and i iron crossbeam 13 is placed on framed bent pier pipe pile center, top and adjusts after level, and i iron crossbeam is connected with framed bent pier pipe pile top solder.
(5) an one-sided bridge superstructure is installed on the i iron crossbeam of every side, two identical one-sided bridge superstructures form the whole bridge superstructure that can open, each one-sided bridge superstructure includes a plurality of shellfish thunder sheets 14 connected with each other, described shellfish thunder sheet 14 a plurality of connected with each other comprises that the reinforcement chord member 15 by shellfish thunder sheet is fixed on the canned paragraph on the i iron crossbeam 13 of corresponding side, preferred i iron crossbeam 13 adopts U-shaped to fix with canned paragraph intersection area, and i iron crossbeam 13 and canned paragraph are welded and fixed; Described canned paragraph front end is connected with rear unlatching section 8 rear ends of extending to bridge central authorities by turning hinge 12, described rear unlatching section 8 rear ends and front portion are supported on respectively on i iron crossbeam 13 and on supporting pile 9, described rear section 8 front ends of opening are connected with front unlatching section 7 rear ends of extending to bridge central authorities by turning hinge 12, and the front front end of opening section 7 of described bridge both sides adopts pin to connect when trestle work structure is set level temporarily;
(6) on the upper chord of the shellfish thunder sheet described in each side, all lay fixing many spaced horizontal i iron, between preferred laterally i iron 17 and shellfish thunder sheet with U-shaped connection with anti-slip, and weld and be fixed with full weld;
(7) laterally on i iron, laying many spaced longitudinal i iron, laterally i iron 17 and longitudinally i iron 18 intersection areas adopt full welds to be welded and fixed, fixing bridge system structure on described longitudinal i iron then.Bridge system structure comprises the embossed steel plates 19 as bridge floor being arranged on described longitudinal i iron 18, is fixed with railing 20 in described embossed steel plates 19, and laterally i iron 17 and longitudinal i iron 18 are as distribution beam.Fixing in the following ways of embossed steel plates 19: boring in embossed steel plates 19, connects with bolt and shellfish thunder sheet 14, and embossed steel plates 19 and longitudinal i iron 18 are welded and fixed.
(8) the pulling force end that is fixed on the front rear suspension cable of opening the leading section of section and being connected with other two hoist engines of this side of homonymy with the pulling force end of two front suspension cables that are connected in four hoist engines of a side is fixed on the rear front end of opening section of this side, remains that front suspension cable 5 is connected with forward and backward unlatching section with rear suspension cable 6.
Through check, adopt this method: the navigational clearance of having eliminated navigation channel by the design of oblique pull system bending structure limits, under beam of hull enabled condition, can guarantee that large ship passes through, adopt oblique pull bending trestle system can increase current channel width, structural safety is stable.
Claims (10)
1. the bent unlatching trestle work structure of cable-stayed type, it is characterized in that: it comprise along vertical bridge to bridge floor both sides spaced four groups of lattice columns for vertical load-bearing, between 4 steel pipes of each group lattice column, be welded and fixed connected, top at each group lattice column is fixed with distribution base, inner side at both sides lattice column has set respectively supporting pile, between two groups of lattice columns of homonymy, be provided with at least one and strengthen framed bent Temporary Piers, described reinforcement framed bent Temporary Piers comprises the many piece framed bent pier pile tubes of inserted to play between two groups of lattice columns of homonymy, between described framed bent pier pile tube, be weldingly connected, the many framed bent pier pipe pile top solder at homonymy are fixed an i iron crossbeam, two identical one-sided bridge superstructures form the whole bridge superstructure that can open, each one-sided bridge superstructure includes a plurality of shellfish thunder sheets connected with each other, on the upper chord of described shellfish thunder sheet, be fixed with many spaced horizontal i iron, on described horizontal i iron, be fixed with many spaced longitudinal i iron, on described longitudinal i iron, be fixed with bridge system structure, described shellfish thunder sheet a plurality of connected with each other comprises that the reinforcement chord member by shellfish thunder sheet is weldingly fixed on the canned paragraph on the i iron crossbeam of corresponding side, described canned paragraph front end is connected with the rear unlatching section rear end of extending to bridge central authorities by turning hinge, the described rear section front end of opening is connected with the front unlatching section rear end of extending to bridge central authorities by turning hinge, described rear unlatching section rear end and front portion are supported on respectively on i iron crossbeam and on supporting pile, the front front end of opening section of described bridge both sides adopts pin to connect when trestle work structure is set level, at each, distribute on base and be all fixed with four hoist engines, in the inner side of each lattice column, be respectively arranged with, lower limit crossbeam, the pulling force end that is fixed on the front rear suspension cable of opening the leading section of section and being connected with other two hoist engines of this side of homonymy with the pulling force end of two front suspension cables that are connected in four hoist engines of a side is fixed on this side the rear front end of opening section, described front unlatching section can be under the drive of hoist engine turning-over support on upper limit crossbeam, described rear unlatching section can be under the drive of hoist engine turning-over support on lower limit crossbeam.
2. the bent unlatching trestle work structure of cable-stayed type according to claim 1, is characterized in that: the upper and lower between 4 steel pipes of each group lattice column is weldingly connected by diagonal brace and transverse brace structure respectively.
3. the bent unlatching trestle work structure of cable-stayed type according to claim 1 and 2, it is characterized in that: between described framed bent pier pile tube, adopt upper and lower spaced steel pipe to carry out level to being weldingly connected, and adopt channel-section steel between upper and lower steel pipe by adjacent framed bent pier pile tube scissors to being weldingly connected.
4. the bent unlatching trestle work structure of cable-stayed type according to claim 3, is characterized in that: described i iron crossbeam and canned paragraph intersection area adopt U-shaped to fix, and i iron crossbeam and canned paragraph are welded and fixed.
5. the bent unlatching trestle work structure of a cable-stayed type construction method that realizes claim 1 structure, is characterized in that it comprises the following steps:
(1) in each side of bridge floor position of setting, two groups of lattice columns are set respectively, each group lattice column is comprised of 4 steel pipes, between 4 steel pipes of each group lattice column, be welded and fixed connected, then on each lattice column top, install and distribute base, then each distribute four hoist engines are installed on base and in each lattice column inner side between the upper and lower every the upper and lower spacing crossbeam of welding respectively;
(2) in the inner side of both sides lattice column along bridge to inserted to play fixed support stake respectively to setting absolute altitude;
(3) between two groups of lattice columns of homonymy, inserted to play framed bent pier pile tube, to setting absolute altitude, then forms at least one by being weldingly connected between described framed bent pier pile tube and strengthens framed bent Temporary Piers;
(4) on many framed bent Dun Guanzhuanzhuanding of every side, hang an i iron crossbeam, i iron crossbeam is placed on framed bent pier pipe pile center, top and adjusts after level, and i iron crossbeam is connected with framed bent pier pipe pile top solder;
(5) an one-sided bridge superstructure is installed on the i iron crossbeam of every side, two identical one-sided bridge superstructures form the whole bridge superstructure that can open, each one-sided bridge superstructure includes a plurality of shellfish thunder sheets connected with each other, and described shellfish thunder sheet a plurality of connected with each other comprises that the reinforcement chord member by shellfish thunder sheet is arranged on the canned paragraph on the i iron crossbeam of corresponding side; Described canned paragraph front end is connected with the rear unlatching section rear end of extending to bridge central authorities by turning hinge, described rear unlatching section rear end and front portion are supported on respectively on i iron crossbeam and on supporting pile, the described rear section front end of opening is connected with the front unlatching section rear end of extending to bridge central authorities by turning hinge, and the front front end of opening section of described bridge both sides adopts pin to connect when trestle work structure is set level temporarily;
(6) on the upper chord of the shellfish thunder sheet described in each side, lay fixing many spaced horizontal i iron;
(7) laterally on i iron, laying many spaced longitudinal i iron, laterally i iron and longitudinally i iron intersection area adopt full weld to be welded and fixed, fixing bridge system structure on described longitudinal i iron then;
(8) the pulling force end that is fixed on the front rear suspension cable of opening the leading section of section and being connected with other two hoist engines of this side of homonymy with the pulling force end of two front suspension cables that are connected in four hoist engines of a side is fixed on the rear front end of opening section of this side, remains that front suspension cable is connected with rear suspension cable and unlatching section.
6. the bent unlatching trestle work structure of cable-stayed type according to claim 5 construction method, is characterized in that: the upper and lower between 4 steel pipes of each group lattice column is weldingly connected by diagonal brace and transverse brace structure respectively.
7. according to the bent unlatching trestle work structure of the cable-stayed type described in claim 5 or 6 construction method, it is characterized in that: in described step (3), between framed bent pier pile tube, adopt upper and lower spaced steel pipe to carry out level to being weldingly connected, and adopt channel-section steel between upper and lower steel pipe by adjacent framed bent pier pile tube scissors to being weldingly connected, make to form bridging form between framed bent pier pile tube.
8. the bent unlatching trestle work structure of cable-stayed type according to claim 7 construction method, it is characterized in that: the i iron crossbeam in described step (5) and canned paragraph intersection area adopt U-shaped to fix, and i iron crossbeam 13 and canned paragraph are welded and fixed.
9. the bent unlatching trestle work structure of cable-stayed type according to claim 8 construction method, is characterized in that: in described step (6), between described horizontal i iron 17 and shellfish thunder sheet with U-shaped connection with anti-slip, and be fixed with full weld welding
10. the bent unlatching trestle work structure of cable-stayed type according to claim 9 construction method, it is characterized in that: in described step (7), bridge system structure comprises the embossed steel plates as bridge floor being arranged on described longitudinal i iron, in described embossed steel plates, be fixed with railing, fixing in the following ways of embossed steel plates: hole in embossed steel plates, with bolt and shellfish thunder sheet, connect, and embossed steel plates and longitudinal i iron are welded and fixed.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106368113A (en) * | 2016-11-14 | 2017-02-01 | 长安大学 | Vertical lifting opening type arch bridge and opening and closing method thereof |
| CN106968256A (en) * | 2017-03-22 | 2017-07-21 | 深圳市福田建安建设集团有限公司 | Foundation ditch assembled steel trestle construction method |
| CN106968256B (en) * | 2017-03-22 | 2019-02-22 | 深圳市福田建安建设集团有限公司 | Foundation pit assembled steel trestle construction method |
| CN106930179A (en) * | 2017-04-28 | 2017-07-07 | 茌平信发华宇氧化铝有限公司 | A kind of top car device of high-efficiency environment friendly purifying vehicle |
| CN109235234A (en) * | 2018-11-19 | 2019-01-18 | 江苏苏建路桥机械有限公司 | A kind of effective equalizer bar for adjusting beret slice steel bridge |
| CN109235234B (en) * | 2018-11-19 | 2023-10-10 | 江苏苏建路桥机械有限公司 | Balance beam for effectively adjusting bailey piece steel bridge |
| CN110820528A (en) * | 2019-12-12 | 2020-02-21 | 广州揽睿路桥设计有限公司 | Tie rod arch bridge with liftable bridge floor |
| CN111676799A (en) * | 2020-06-19 | 2020-09-18 | 杭州江润科技有限公司 | Height-adjustable simple cable-stayed diversion trench temporary bridge and construction method thereof |
| CN113215989A (en) * | 2021-04-14 | 2021-08-06 | 上海通涵建筑工程有限公司 | Steel trestle and construction method thereof |
| CN113215989B (en) * | 2021-04-14 | 2022-11-01 | 上海通涵建筑工程有限公司 | Steel trestle and construction method thereof |
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