CN213507989U - Deepwater steel trestle capable of being constructed quickly - Google Patents
Deepwater steel trestle capable of being constructed quickly Download PDFInfo
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- CN213507989U CN213507989U CN202022258790.7U CN202022258790U CN213507989U CN 213507989 U CN213507989 U CN 213507989U CN 202022258790 U CN202022258790 U CN 202022258790U CN 213507989 U CN213507989 U CN 213507989U
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Abstract
The utility model discloses a rapid construction deep water steel trestle, which comprises a steel pipe buttress, an assembled Bailey beam and a combined bridge deck; the steel pipe buttress comprises a buttress main body and a transverse support frame which is arranged at the top of the buttress main body and used for supporting the assembled Bailey beam, wherein the top of the buttress main body is provided with a clamping groove, and the transverse support frame is provided with a clamping block matched with the clamping groove; the assembled Bailey beam is formed by assembling a plurality of Bailey beam units, and the Bailey beam units are fixedly connected through fixing pins; the combined bridge deck is provided with a plurality of bridge deck plates, and adjacent bridge deck plates are fixedly connected through round steel components. The utility model discloses in construction landing stage abutment, at bank processing factory welding steel pipe buttress, equipment bailey roof beam and combination decking, shorten landing stage construction period, steel pipe buttress integral hoisting inserts with joint vibratory hammer and beats, guarantees to insert the straightness and the plane position of beating the buttress, improves the lateral stability of buttress.
Description
Technical Field
The utility model relates to a landing stage construction technical field such as deep water bridge, deep water pier, national defence, emergency rescue are protected to lead to especially relates to a deep water steel landing stage that can be under construction fast.
Background
As the foundation construction of China enters a high-speed development stage, more and more structures are built in deep water, such as bridges and wharfs. How to rapidly, safely and reliably transport materials, mechanical equipment and personnel to a specified position in deep water is a key problem for controlling the construction period and the cost of constructing the deep water structure.
The traditional steel trestle building method comprises the steps of building a trestle abutment on the bank side, inserting and driving a single steel pipe pile of a single buttress into a deep water covering layer from the bank side, then stably connecting the steel pipe pile inserted and driven in place at the position of the single buttress above the water surface by using a parallel connection and an oblique connection, leveling the steel pipe, installing transverse supporting section steel, erecting a Bailey beam, installing a distribution beam on the Bailey beam, and paving a bridge deck steel plate on the distribution beam.
The traditional steel trestle erecting method has the following defects: firstly, the construction of the trestle is limited by an operation working face, the parallel construction of an upper part structure and a lower part structure cannot be realized, and the construction period of the trestle is long; secondly, limited by steel pipe inserting and striking equipment and hoisting equipment, the common span is 8-14 m, the construction process is complicated, and the repetition times are large; thirdly, during the inserting and driving process of a single steel pipe pile, the designed position is easy to incline or deviate, and the original eccentricity easily causes insufficient bearing capacity; fourthly, welding on water is needed during parallel connection and oblique connection, and construction quality is unstable.
In order to improve the traditional steel trestle erecting structure, in the existing construction process, a construction platform can be erected in deep water firstly, steel trestle materials are conveyed to the platform through a ship for construction, the operation working face is increased through the construction platform, and the construction period is shortened. However, in the construction, the platform is erected in deep water, so that the construction difficulty is high, and a large number of large construction machines need to be matched; moreover, the ship is easily affected by wind and waves, and the limited factors of the berthing platform are more; in addition, some deep water areas, such as reservoirs and deep canyons, cannot enter large ships.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a reasonable in design, deep water steel landing stage that can be under construction fast.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model relates to a deep water steel trestle that can be under construction fast, which is characterized in that the deep water steel trestle comprises a steel pipe buttress, an assembled Bailey beam and a combined bridge deck;
the steel pipe buttress comprises a buttress main body and a transverse support frame which is arranged at the top of the buttress main body and used for supporting the assembled Bailey beam, wherein the top of the buttress main body is provided with a clamping groove, and the transverse support frame is provided with a clamping block matched with the clamping groove;
the assembled Bailey beam is formed by assembling a plurality of Bailey beam units, and the Bailey beam units are fixedly connected through fixing pins;
the combined bridge deck is provided with a plurality of bridge deck plates, and adjacent bridge deck plates are fixedly connected through round steel components.
Preferably, the round steel subassembly is equipped with the round steel body, is equipped with the plug-in components that set up perpendicularly with the axis of round steel body symmetrically on the lateral wall of round steel body, is equipped with on the decking that meets with the round steel subassembly with plug-in components complex jack.
Preferably, the insert is an insert rod welded or integrally formed with the round steel body.
Preferably, each bailey beam unit is formed by assembling a plurality of bailey frames, a vertical sliding groove is formed in the bailey frame on one side of the bailey beam unit, a sliding rod connected with the vertical sliding groove is arranged on the bailey frame on the other side of the bailey beam unit, and positioning holes for inserting fixing pins are formed in the vertical sliding groove and the sliding rod.
Preferably, at least two positioning holes are arranged on the same sliding rod and are arranged side by side along the axis of the sliding rod.
Preferably, the buttress main body is formed by vertically assembling a plurality of buttress units, and the buttress units are fixedly connected through a flange plate.
Preferably, the transverse supporting frame is formed by assembling a plurality of transverse supporting section steels, and the adjacent transverse supporting section steels are fixedly connected through a flange plate.
Compared with the prior art, the utility model discloses following technological effect has: 1. while constructing the trestle abutment, welding steel pipe buttresses, assembling bailey beams and combined bridge decks in an onshore processing plant, and shortening the construction period of the trestle; 2. the temporary buttress is set up by the steel pipe buttress in an assembled form, the span is increased to 16-25 m, and the buttress steel pipe is welded on the shore in a parallel connection and an oblique connection manner, so that the quality of a welding seam is ensured; 3. the steel pipe buttress is integrally hoisted and is inserted and beaten by a combined vibration hammer, the perpendicularity and the plane position of the inserted and beaten buttress are ensured, and the lateral stability of the buttress is improved.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of a deep water steel trestle of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a block diagram of a round steel assembly;
FIG. 4 is a mounting structure view of a round steel assembly and a bridge deck;
description of reference numerals: the method comprises the following steps of 1-temporary buttress, 2-flange plate, 3-transverse support frame, 4-assembled Bailey beam, 5-combined bridge deck, 6-permanent buttress, 7-round steel body and 8-plug-in.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-4, the utility model provides a deep water steel trestle which can be rapidly constructed, comprising steel pipe buttresses 1 and 6, an assembled bailey beam 4 and a combined bridge deck 5;
the steel pipe buttress comprises a buttress main body and a transverse support frame 3 which is arranged at the top of the buttress main body and used for supporting the assembled Bailey beam, wherein a clamping groove is formed in the top of the buttress main body, a clamping block matched with the clamping groove is arranged on the transverse support frame 3, the buttress main body is formed by vertically assembling a plurality of buttress units, the buttress units are fixedly connected through a flange 2, the transverse support frame 3 is formed by assembling a plurality of transverse support section steels, and adjacent transverse support section steels are fixedly connected through the flange 2;
the assembled Bailey beam 4 is formed by assembling a plurality of Bailey beam units, and the Bailey beam units are fixedly connected through fixing pins;
the combined bridge deck plates 5 are provided with a plurality of bridge deck plates, and adjacent bridge deck plates are fixedly connected through round steel assemblies.
The round steel subassembly is equipped with round steel body 7, is equipped with the plug-in components 8 that set up perpendicularly with the axis of round steel body symmetrically on the lateral wall of round steel body 7, is equipped with on the decking that meets with round steel subassembly 7 with plug-in components 8 complex jacks, the plug-in components be with round steel body welding or integrated into one piece's inserted bar, through establishing the round steel subassembly in the space department between two decking, rethread plug-in components and jack's cooperation realize that the round steel subassembly meets with the fixed of decking, and the stability of decking installation is guaranteed to the assistance with the welding mode again, and the round steel subassembly still can be used as deceleration strip and antislip strip, and the equipment of decking is convenient, swift.
Each bailey beam unit is formed by assembling a plurality of bailey frames, a vertical sliding groove is formed in the bailey frame on one side of the bailey beam unit, a sliding rod connected with the vertical sliding groove is arranged on the bailey frame on the other side of the bailey beam unit, positioning holes for inserting fixing pins are formed in the sliding groove and the sliding rod, at least two positioning holes are formed in the same sliding rod, the two positioning holes are arranged side by side along the axis of the sliding rod, and the stability of installation between the bailey beam units is guaranteed.
The deep water steel trestle's work progress does:
firstly, construction preparation, namely determining the hole span arrangement and the size of an upper lower structure of a steel trestle according to the actual topographic and geological conditions of a site, preparing materials and equipment required by trestle construction, determining a processing site of material stacking and the upper lower structure, and hardening a corresponding transportation road;
secondly, segmenting the trestle structure according to the hoisting and transporting capacity of existing equipment on a construction site, while constructing a trestle abutment, welding a steel pipe support temporary buttress 1 and a permanent buttress 6, assembling a Bailey beam 4 and a segmented combined bridge deck 5 in a segment mode in a shore processing plant, welding the bridge deck into a framework through connecting section steel on the shore, welding the framework into a whole through a round steel assembly to obtain an integral combined bridge deck, hoisting the combined bridge deck to the upper side of the Bailey beam for pre-installation, fixing the combined bridge deck with the Bailey beam through a clamp, and separately stacking after numbering;
thirdly, according to the actual depth of water and the geological conditions on site, determining the length of inserting and beating of the single temporary buttress in the integral hoisting for the first time (adjustment of a flange plate is needed by bolts underwater), under the premise of ensuring the hoisting safety, enabling the top of the temporary buttress to be exposed out of the water surface by 1m under the self-stabilization condition as much as possible, after the temporary buttress is lengthened by the flange plate, inserting and beating the self-stabilized temporary buttress 1 to the designed depth by using a combined vibration hammer, leveling the height of the temporary buttress through the length adjustment of the top section, installing transverse supporting section steel between the two temporary buttresses 1, and respectively and integrally installing the assembled Bailey beam 4 and the combined bridge deck 5.
And fourthly, integrally hoisting the steel pipe support permanent buttress 6 which is firstly inserted and beaten, inserting and self-stabilizing, lengthening the flange plate, inserting and beating the self-stabilized permanent buttress 6 to the designed depth by using a combined vibration hammer, adjusting the height of the permanent buttress 6 to be leveled through the length of the top section, and respectively and integrally installing the assembled Bailey beam 4 and the combined bridge deck 5.
Fifthly, dismantling the flange plate bolt of the section steel transversely supported on one side between the temporary buttresses 1 by using a manual hoist, dismantling the top sections of the temporary buttresses, dismantling the temporary buttresses 1 by vibration, and performing circular construction to complete the construction of the whole trestle.
And sixthly, the final temporary buttress 1 can be reserved in situ or removed to be close to the permanent buttress 6 according to actual conditions so as to provide the side support of the trestle.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a deep water steel landing stage that can be under construction fast which characterized in that: the deepwater steel trestle comprises steel pipe buttresses, an assembled Bailey beam and a combined bridge deck;
the steel pipe buttress comprises a buttress main body and a transverse support frame which is arranged at the top of the buttress main body and used for supporting the assembled Bailey beam, wherein the top of the buttress main body is provided with a clamping groove, and the transverse support frame is provided with a clamping block matched with the clamping groove;
the assembled Bailey beam is formed by assembling a plurality of Bailey beam units, and the Bailey beam units are fixedly connected through fixing pins;
the combined bridge deck is provided with a plurality of bridge deck plates, and adjacent bridge deck plates are fixedly connected through round steel components.
2. The deep water steel trestle of claim 1, characterized in that: the round steel subassembly is equipped with the round steel body, is equipped with the plug-in components that set up perpendicularly with the axis of round steel body symmetrically on the lateral wall of round steel body, is equipped with on the decking that meets with the round steel subassembly with plug-in components complex jack.
3. The deep water steel trestle of claim 2, characterized in that: the plug-in components are plug-in poles welded or integrally formed with the round steel body.
4. The deep water steel trestle of claim 1, characterized in that: each Bailey beam unit is formed by assembling a plurality of Bailey frames, a vertical sliding groove is arranged on the Bailey frame on one side of the Bailey beam unit, a sliding rod connected with the vertical sliding groove is arranged on the Bailey frame on the other side of the Bailey beam unit, and positioning holes for inserting fixing pins are formed in the vertical sliding groove and the sliding rod.
5. The deep water steel trestle of claim 4, characterized in that: the positioning holes on the same sliding rod are at least two and are arranged side by side along the axis of the sliding rod.
6. The deep water steel trestle of claim 1, characterized in that: the buttress main body is formed by vertically assembling a plurality of buttress units, and the buttress units are fixedly connected through flange plates.
7. The deep water steel trestle of claim 1, characterized in that: the transverse support frame is formed by assembling a plurality of transverse support section steels, and the adjacent transverse support section steels are fixedly connected through a flange plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022258790.7U CN213507989U (en) | 2020-10-12 | 2020-10-12 | Deepwater steel trestle capable of being constructed quickly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022258790.7U CN213507989U (en) | 2020-10-12 | 2020-10-12 | Deepwater steel trestle capable of being constructed quickly |
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| CN213507989U true CN213507989U (en) | 2021-06-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737662A (en) * | 2021-10-14 | 2021-12-03 | 中铁六局集团有限公司 | Quick construction method for striding existing high-speed railway on large-span and large-section pedestrian overpass |
-
2020
- 2020-10-12 CN CN202022258790.7U patent/CN213507989U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737662A (en) * | 2021-10-14 | 2021-12-03 | 中铁六局集团有限公司 | Quick construction method for striding existing high-speed railway on large-span and large-section pedestrian overpass |
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