CN116289602A - Quick construction method for deep water bare rock area support trestle drilling platform - Google Patents

Abstract

The application discloses a quick construction method for a deep water bare rock area trestle drilling platform, which comprises the following steps: installing a guide frame; one end of the guide frame is fixed on the main trestle, and the guide frame is perpendicular to the advancing direction of the main trestle; one end of the guide frame, which is far away from the main trestle, is connected with a positioning part comprising a reserved hole site; setting out and positioning pile positions; inserting and driving a steel pipe pile; installing a connecting system; the connecting system comprises a vertical rod, an inclined rod and at least two cross rods; paving a Bailey beam on the connection system to construct a temporary working surface, and constructing anchor piles; welding pile caps and placing distribution beams; transferring the bailey beam to a distribution beam to complete system conversion; paving a bridge deck system. According to the quick construction method for the deep water bare rock area support trestle drilling platform, construction of the support trestle drilling platform is carried out by means of the main trestle which is constructed, the expansion of a working face is facilitated, the problems that the anchor pile construction time is long, the working procedure conversion is slow and the like are solved, flowing water construction is formed in each working procedure, the construction efficiency is greatly improved, and the construction period is shortened.

Description

Quick construction method for deep water bare rock area support trestle drilling platform

Technical Field

The specification relates to the technical field of bridge construction, in particular to a quick construction method for a deep water bare rock area trestle drilling platform.

Background

In the modern bridge construction process, the steel trestle becomes an indispensable auxiliary tool in the bridge construction process so as to meet the transfer requirements of various construction resources such as people, materials, machines and the like. The traditional drilling platform is similar to the construction method of trestle, and adopts a fishing method or a jacket method, and extends longitudinally and forwards, so that the problems of difficult expansion of working face, low construction efficiency, long construction period and the like exist.

In particular, in the deep water bare rock area, after the steel pipe pile is driven, the construction of the anchor pile is required, and then pile caps, distribution beams, upper structures and the like are installed, which is labor-consuming. After the construction of the main trestle is completed, how to use the existing structural system to improve the construction efficiency and quickly finish the construction of the drilling platform is a considerable problem when the drilling platform of the trestle is constructed.

Disclosure of Invention

In view of the shortcomings of the prior art, one purpose of the specification is to provide a quick construction method for a deep water bare rock area support trestle drilling platform, construction of the support trestle drilling platform is carried out by means of a main trestle which is completed through construction, expansion of a working face is facilitated, the problems that anchor pile construction time is long, working procedures are slow to convert and the like are solved, flowing water construction is formed in each working procedure, construction efficiency is greatly improved, and construction period is shortened.

In order to achieve the above purpose, the embodiment of the specification provides a rapid construction method for a deep water bare rock area trestle drilling platform, which comprises the following steps:

installing a guide frame; one end of the guide frame is fixed on the main trestle, and the guide frame is perpendicular to the advancing direction of the main trestle; one end of the guide frame, which is far away from the main trestle, is connected with a positioning part comprising a reserved hole site;

setting out and positioning pile positions; adjusting the position of the positioning part according to the pile position;

inserting and driving a steel pipe pile; inserting and driving the steel pipe pile into the reserved hole site;

installing a connecting system; installing the connecting system between adjacent steel pipe piles, wherein the connecting system comprises a vertical rod, an inclined rod and at least two cross rods; the vertical rods and the inclined rods are arranged between the two cross rods, the cross rods are perpendicular to the steel pipe piles, and the vertical rods are parallel to the steel pipe piles;

paving a Bailey beam on the connecting system to construct a temporary working surface, and constructing anchor piles; the bailey beam is placed on the cross bar above, and is arranged along the advancing direction perpendicular to the main trestle; paving a roadbed plate on the Bailey beam to construct a temporary working surface; punching the steel pipe pile on the temporary working surface by utilizing a percussion drill, cleaning holes after impacting to a designated elevation, placing a reinforcement cage and filling the pile;

welding pile caps and placing distribution beams; welding the pile cap and the top of the cut steel pipe pile, and placing a distribution beam above the pile cap and welding after the welding is finished;

transferring the bailey beam to the distribution beam to complete system conversion;

paving a bridge deck system; and paving a bridge deck plate above the bailey beam.

As a preferred embodiment, in the step of installing the guide frame, a flower frame is used to pre-splice the double-spliced beret beam, and the double-spliced beret beam is used as the guide frame.

As a preferred embodiment, the guide frame and the main trestle are fixedly connected through bolts; the guide frame is located below the Bailey beam of the main trestle, and a base plate is arranged between the Bailey beam of the main trestle and the bolts.

As a preferred embodiment, in the step of inserting and driving the steel pipe pile, a crawler crane is used for driving piles at the reserved hole site in cooperation with an impact hammer; after the steel pipe pile at one position is subjected to sinking, the guide frame is moved to the other position in the advancing direction of the main trestle, and the steel pipe pile at the next position is inserted and driven; and after all the steel pipe piles at the same pier position are inserted and driven, executing the step of installing the connecting system.

In a preferred embodiment, in the step of installing the connection system, the vertical rod and the cross rod, the diagonal rod and the cross rod, and the cross rod and the steel pipe pile are all connected by welding; the vertical rods and the two cross bars are respectively intersected at the middle points of the two cross bars, one end of each inclined rod and the cross bar positioned above are respectively intersected at the middle points of the cross bars positioned above, the other end of one inclined rod and the cross bar positioned below are intersected at the position close to the steel pipe pile, and the other end of the other inclined rod and the cross bar positioned below are intersected at the position close to the other steel pipe pile.

As a preferred embodiment, a bracket is provided below the junction between the upper cross bar and the steel pipe pile.

In a preferred embodiment, in the step of laying the bailey beam on the connecting system to construct the temporary working surface, 12 bailey pieces are arranged between every two steel pipe piles, and a first transverse limiter is welded between the bailey beam and the cross rod.

In a preferred embodiment, in the step of laying beret beams on the connection system to construct a temporary working surface, adjacent roadbed plates are connected by welding steel plates; and a second transverse limiter is welded between the roadbed plate and the Bailey beam and used for limiting the roadbed plate.

As a preferred embodiment, before the step of transferring the bailey beam to the distribution beam, performing measurement lofting on the distribution beam, determining the mounting position of the bailey beam and mounting a damping rubber sheet at the corresponding position;

in the step of transferring the bailey beam onto the distribution beam, the bailey beam comprises a plurality of mounting units, and the mounting units comprise a plurality of groups 321 of bailey beams; the installation unit is hoisted by using a 150t crawler crane;

and after the step of transferring the bailey beam to the distribution beam, welding a bailey beam transverse limiter at a preset position of the distribution beam.

As a preferred embodiment, in the step of laying a deck system, the deck slab is a C30 concrete precast slab having a size of 8m×2m×0.2m; and hanging the precast slab on an upper chord of the bailey beam by using a crawler crane.

The beneficial effects are that:

according to the quick construction method for the deep water bare rock area support trestle drilling platform, the single span is used as a basic unit to be converted from traditional longitudinal propulsion to transverse (namely, the X direction shown in fig. 2 is the same as the X direction) propulsion by means of the main trestle which is constructed, so that flow production can be realized. In the transverse pushing process, the Bailey beam is temporarily placed by means of a connecting system, and a temporary construction platform is constructed and used as a temporary working face for anchor pile construction. After the anchor pile construction is completed, installing pile caps and distribution beams, transferring the Bailey beams to the distribution beams, completing system conversion, and finally paving a bridge deck system. Compared with the traditional construction mode, the technical scheme realizes the conversion from the main trestle to the drilling platform of the branch trestle, is favorable for the expansion of the working face, solves the problems of long anchor pile construction time, slow process conversion and the like, and greatly improves the construction efficiency and shortens the construction period due to the fact that each process forms the running water construction.

Specific embodiments of the invention are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the invention may be employed. It should be understood that the embodiments of the invention are not limited in scope thereby.

Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments in combination with or instead of the features of the other embodiments.

It should be emphasized that the term "comprises/comprising" when used herein is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a step flowchart of a method for quickly constructing a landing stage drilling platform in a deep water bare rock area provided in this embodiment;

fig. 2 is a schematic plan view of the guide frame and the main trestle after step S10 in fig. 1 is completed;

FIG. 3 is a schematic structural view of the connecting system and the steel pipe pile after the completion of step S40 in FIG. 1;

fig. 4 is a schematic structural diagram of the beret beam placed in step S50 in fig. 1;

fig. 5 is a schematic structural diagram of the circuit board laid in step S50 in fig. 1;

FIG. 6 is a schematic view of the structure of the percussion drill in step S50 in FIG. 1;

FIG. 7 is a schematic diagram illustrating the structure after the completion of step S60 in FIG. 1;

FIG. 8 is a schematic diagram illustrating the structure after the completion of step S70 in FIG. 1;

FIG. 9 is a schematic diagram illustrating the structure after the completion of step S80 in FIG. 1;

FIG. 10 is a schematic perspective view of a guide frame and main trestle;

FIG. 11 is an enlarged schematic view of a portion of the junction of the guide frame and the main bridge.

Reference numerals illustrate:

1. a main trestle; 101. beret beams of the main trestle; 2. a guide frame; 21. flower stand; 22. double-spliced bailey beam; 23. a bolt; 24. a backing plate; 3. a positioning part; 31. reserving hole sites; 32. a bottom cross brace; 4. a steel pipe pile; 5. a connection system; 51. a vertical rod; 52. a diagonal rod; 53. a cross bar; 54. a bracket; 6. bailey beam; 7. a circuit board; 8. percussion drilling; 9. a pile cap; 10. a distribution beam; 12. a bridge deck; x, advancing direction.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1. The embodiment of the application provides a quick construction method for a deep water bare rock area trestle drilling platform, which comprises the following steps:

step S10: the guide frame 2 is installed.

In step S10, as shown in fig. 10, one end of the guide frame 2 is fixed to the main bridge 1, and the guide frame 2 is perpendicular to the advancing direction X of the main bridge 1. One end of the guide frame 2 far away from the main trestle 1 is connected with a positioning part 3. The positioning part 3 comprises a reserved hole site 31.

Specifically, as shown in fig. 2, a pergola 21 may be used to pre-splice the double-spliced beret beam 22, and the double-spliced beret beam 22 may be used as the guide frame 2.

Preferably, as shown in fig. 2 and 11, the guide frame 2 and the main trestle 1 are fixedly connected by bolts 23. The guide frame 2 is located below the bailey beam 101 of the main trestle 1, and a base plate 24 is arranged between the bailey beam 101 of the main trestle 1 and the bolt 23. The guide frame 2 is formed integrally with the bailey beam 101 of the main trestle 1 by bolts 23. The extending direction of the positioning part 3 can be parallel to the advancing direction X of the main trestle 1, and a bottom cross brace 32 is arranged below the positioning part 3. The number of the guide frames 2 can be two, and the guide frames are arranged in parallel. The number of the reserved holes 31 on the positioning part 3 can be two, and the reserved holes are arranged near the end part of the positioning part 3. The two reserved gaps are respectively positioned at two sides of the two guide frames 2.

Step S20: and (5) lofting and positioning pile positions.

The existing main trestle 1 is used as coarse positioning guide of the steel pipe pile 4 to be constructed, and accurate positioning is completed through accurate lofting in the step S20. The position of the positioning part 3 can be adjusted according to the pile position, so that the position of the reserved hole site 31 is accurate.

Step S30: and inserting and driving the steel pipe pile 4.

In step S30, the steel pipe pile 4 is inserted into the reserved hole site 31. Specifically, after step S20, a crawler crane is used to drive piles at the reserved hole site 31 in cooperation with an impact hammer. After the steel pipe pile 4 at one position is deposited, the guide frame 2 is moved to the other position in the advancing direction X of the main trestle 1, and the steel pipe pile 4 at the next position is inserted and driven. When all the steel pipe piles 4 at the same pier position are inserted, the following step S40 is performed.

Step S40: a connection system 5 is installed.

In step S40, the connecting system 5 is installed between adjacent steel pipe piles 4. As shown in fig. 3, the connecting system 5 comprises a vertical bar 51, a diagonal bar 52 and at least two cross bars 53. The vertical rod 51 and the inclined rod 52 are arranged between the two cross rods 53, the cross rods 53 are perpendicular to the steel pipe pile 4, and the vertical rod 51 is parallel to the steel pipe pile 4.

Specifically, the vertical rod 51 and the cross rod 53, the inclined rod 52 and the cross rod 53, and the cross rod 53 and the steel pipe pile 4 are all connected by field welding. The vertical rod 51 and the two cross bars 53 respectively intersect at the midpoints of the two cross bars 53, one end of the two diagonal rods 52 intersects with the cross bar 53 located above at the midpoint of the cross bar 53 located above, the other end of one diagonal rod 52 intersects with the cross bar 53 located below at a position close to the steel pipe pile 4, and the other end of the other diagonal rod 52 intersects with the cross bar 53 located below at a position close to the other steel pipe pile 4. This arrangement makes the connection system 5 more stable and reliable.

Preferably, a bracket 54 is arranged below the joint of the upper cross rod 53 and the steel pipe pile 4 to ensure the construction safety.

Step S50: and paving the Bailey beam 6 on the connection system 5 to construct a temporary working surface and constructing anchor piles.

The step S50 specifically includes the following steps performed in sequence:

step S501: placing a bailey beam 6;

step S502: paving a road base plate 7;

step S503: and (5) drilling construction by using the percussion drill 8.

In step S501, as shown in fig. 4, in order to facilitate the platform anchor pile construction, the bailey beam 6 is placed on the cross bar 53 located above. The bailey beams 6 are arranged in a direction X perpendicular to the advancing direction of the main trestle 1. 12 bailey pieces are arranged between every two steel pipe piles 4, and a first transverse limiter is welded between each bailey beam 6 and each transverse rod 53. And the bailey cotter is arranged on the bailey piece, and after the bailey cotter is arranged, a safety bolt is required to be arranged to prevent the bailey cotter from falling off. The connection system 5 and the bailey piece can be fixed by bolts.

In step S502, as shown in fig. 5, the roadbed 7 is placed on the laid beret beams 6, and a temporary working surface is constructed. The adjacent roadbed plates 7 are connected through welded steel plates. The second transverse limiter is welded between the roadbed 7 and the bailey beam 6 and used for limiting the roadbed 7, so that the construction safety is guaranteed.

In step S503, as shown in fig. 6, the steel pipe pile 4 is punched on the temporary working surface by the impact drill 8, and after the steel pipe pile is impacted to a predetermined elevation, the steel reinforcement cage is placed and the pile is poured.

Step S60: the pile caps 9 are welded and the distribution beams 10 are placed.

Before proceeding to step S60, the temporary working surface may be removed, i.e. the beret beams 6 and the foundations 7 on the connection system 5 are removed. The bailey beam 6 can be reused in a subsequent step S70 to save material.

In step S60, the pile cap 9 is welded to the top of the cut steel pipe pile 4, and the welding quality is checked after the welding is completed. A distribution beam 10 is then placed over the pile cap 9 and welded, as shown in fig. 7.

Step S70: the beret beam 6 is transferred to the distribution beam 10 to complete the system conversion. As shown in fig. 8.

Before step S70, a measurement lofting is performed on the distribution beam 10, the installation position of the beret beam 6 is determined, and a damping rubber sheet is installed at the corresponding position.

In step S70, the bailey beam 6 includes a plurality of mounting units. The mounting unit includes a plurality of sets of "321" bailey beams. In order to accelerate the field installation progress and reduce the overhead operation and the water operation, a plurality of groups of 321-shaped bailey beams are integrally installed as an installation unit. The hoisting operation is completed by adopting a 150t crawler crane.

After step S70, i.e. after the installation unit of the bailey beam 6 is installed in place, the bailey beam lateral limiters are welded at predetermined positions of the pile top distribution beam 10. After the bailey beam 6 is adjusted, the following step S80 is performed.

Step S80: paving a bridge deck system. As shown in fig. 9, an abutment plate 12 is laid over the bailey beam 6.

In step S80, the deck slab 12 is fabricated using C30 concrete precast slabs. The size of the prefabricated panel is 8m×2m×0.2m. And during prefabrication, the positions of embedded parts such as embedded steel sections and steel plates are noted, longitudinal bridge-direction embedded angle steel is reinforced, and the widening section of the local irregular platform is customized according to the actual size. After prefabricated plates are prefabricated in a back field, the prefabricated plates are transported to a construction site by using a flat car, and then the prefabricated plates are hung on an upper chord of the bailey beam 6 by using a crawler crane. Wherein the bridge deck 12 requires a tight and straight joint, is entirely flat, and has no warpage.

In the present embodiment, the construction heights of step S60, step S70, and step S80 are normal construction heights, and the construction height of step S50 is lower than the normal construction height.

According to the quick construction method for the deep water bare rock area support trestle drilling platform, the main trestle 1 which is constructed is used, and single span is used as a basic unit, so that traditional longitudinal propulsion is changed into transverse propulsion, and flow production can be realized. In the transverse pushing process, the bailey beam 6 is temporarily placed by the connection system 5, and a temporary construction platform is constructed and used as a temporary working surface for anchor pile construction. After the anchor pile construction is completed, the pile caps 9 and the distribution beams 10 are installed, the bailey beams 6 are transferred to the distribution beams 10, the system conversion is completed, and finally the bridge deck system is paved. Compared with the traditional construction mode, the technical scheme realizes that the main trestle 1 is converted into the drilling platform of the trestle, is favorable for the expansion of a working face, solves the problems of long anchor pile construction time, slow process conversion and the like, and greatly improves the construction efficiency and shortens the construction period due to the fact that each process forms the running water construction.

It should be noted that, in the description of the present specification, the terms "first," "second," and the like are used for descriptive purposes only and to distinguish between similar objects, and there is no order of preference therebetween, nor should it be construed as indicating or implying relative importance. In addition, in the description of the present specification, unless otherwise indicated, the meaning of "a plurality" is two or more.

Any numerical value recited herein includes all values of the lower and upper values that are incremented by one unit from the lower value to the upper value, as long as there is a separation of at least two units between any lower value and any higher value. For example, if it is stated that the number of components or the value of a process variable (e.g., temperature, pressure, time, etc.) is from 1 to 90, preferably from 20 to 80, more preferably from 30 to 70, then the purpose is to explicitly list such values as 15 to 85, 22 to 68, 43 to 51, 30 to 32, etc. in this specification as well. For values less than 1, one unit is suitably considered to be 0.0001, 0.001, 0.01, 0.1. These are merely examples that are intended to be explicitly recited in this description, and all possible combinations of values recited between the lowest value and the highest value are believed to be explicitly stated in the description in a similar manner.

Unless otherwise indicated, all ranges include endpoints and all numbers between endpoints. "about" or "approximately" as used with a range is applicable to both endpoints of the range. Thus, "about 20 to 30" is intended to cover "about 20 to about 30," including at least the indicated endpoints.

All articles and references, including patent applications and publications, disclosed herein are incorporated by reference for all purposes. The term "consisting essentially of …" describing a combination shall include the identified element, ingredient, component or step as well as other elements, ingredients, components or steps that do not substantially affect the essential novel features of the combination. The use of the terms "comprises" or "comprising" to describe combinations of elements, components, or steps herein also contemplates embodiments consisting essentially of such elements, components, or steps. By using the term "may" herein, it is intended that any attribute described as "may" be included is optional.

Multiple elements, components, parts or steps can be provided by a single integrated element, component, part or step. Alternatively, a single integrated element, component, part or step may be divided into separate plural elements, components, parts or steps. The disclosure of "a" or "an" to describe an element, component, section or step is not intended to exclude other elements, components, sections or steps.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the inventors regard such subject matter as not be considered to be part of the disclosed subject matter.

Claims (10)

1. A quick construction method for a deep water bare rock area trestle drilling platform is characterized by comprising the following steps:

installing a guide frame; one end of the guide frame is fixed on the main trestle, and the guide frame is perpendicular to the advancing direction of the main trestle; one end of the guide frame, which is far away from the main trestle, is connected with a positioning part comprising a reserved hole site;

setting out and positioning pile positions; adjusting the position of the positioning part according to the pile position;

inserting and driving a steel pipe pile; inserting and driving the steel pipe pile into the reserved hole site;

installing a connecting system; installing the connecting system between adjacent steel pipe piles, wherein the connecting system comprises a vertical rod, an inclined rod and at least two cross rods; the vertical rods and the inclined rods are arranged between the two cross rods, the cross rods are perpendicular to the steel pipe piles, and the vertical rods are parallel to the steel pipe piles;

paving a Bailey beam on the connecting system to construct a temporary working surface, and constructing anchor piles; the bailey beam is placed on the cross bar above, and is arranged along the advancing direction perpendicular to the main trestle; paving a roadbed plate on the Bailey beam to construct a temporary working surface; punching the steel pipe pile on the temporary working surface by utilizing a percussion drill, cleaning holes after impacting to a designated elevation, placing a reinforcement cage and filling the pile;

welding pile caps and placing distribution beams; welding the pile cap and the top of the cut steel pipe pile, and placing a distribution beam above the pile cap and welding after the welding is finished;

transferring the bailey beam to the distribution beam to complete system conversion;

paving a bridge deck system; and paving a bridge deck plate above the bailey beam.

2. The method for quickly constructing the deep water bare rock area trestle drilling platform according to claim 1, wherein in the step of installing the guide frame, a flower frame is used for pre-splicing double-spliced bailey beams, and the double-spliced bailey beams are used as the guide frame.

3. The quick construction method for the deep water bare rock area support trestle drilling platform according to claim 2, wherein the guide frame is fixedly connected with the main trestle through bolts; the guide frame is located below the Bailey beam of the main trestle, and a base plate is arranged between the Bailey beam of the main trestle and the bolts.

4. The method for quickly constructing the deep water bare rock area trestle drilling platform according to claim 1, wherein in the step of inserting and driving the steel pipe pile, a crawler crane is used for piling at the reserved hole site in cooperation with an impact hammer; after the steel pipe pile at one position is subjected to sinking, the guide frame is moved to the other position in the advancing direction of the main trestle, and the steel pipe pile at the next position is inserted and driven; and after all the steel pipe piles at the same pier position are inserted and driven, executing the step of installing the connecting system.

5. The quick construction method for the deep water bare rock area trestle drilling platform according to claim 1, wherein in the step of installing a connecting system, welding is adopted between the vertical rod and the cross rod, between the diagonal rod and the cross rod, and between the cross rod and the steel pipe pile; the vertical rods and the two cross bars are respectively intersected at the middle points of the two cross bars, one end of each inclined rod and the cross bar positioned above are respectively intersected at the middle points of the cross bars positioned above, the other end of one inclined rod and the cross bar positioned below are intersected at the position close to the steel pipe pile, and the other end of the other inclined rod and the cross bar positioned below are intersected at the position close to the other steel pipe pile.

6. The rapid construction method for the deep water bare rock area trestle drilling platform according to claim 5, wherein brackets are arranged below the connection parts of the cross bars and the steel pipe piles.

7. The rapid construction method for the deep water bare rock area trestle drilling platform according to claim 1, wherein in the step of paving the bailey beam on the connecting system to construct the temporary working surface, 12 bailey pieces are arranged between every two steel pipe piles, and a first transverse limiter is welded between the bailey beam and the cross rod.

8. The method for quickly constructing the deep water bare rock area trestle drilling platform according to claim 1, wherein in the step of paving roadbed plates on the bailey beams to construct temporary working surfaces, adjacent roadbed plates are connected through welded steel plates; and a second transverse limiter is welded between the roadbed plate and the Bailey beam and used for limiting the roadbed plate.

9. The method for quickly constructing the deep water bare rock area trestle drilling platform according to claim 1, wherein before the step of transferring the bailey beam onto the distribution beam, measuring and lofting is performed on the distribution beam, the installation position of the bailey beam is determined, and a damping rubber sheet is installed at the corresponding position;

in the step of transferring the bailey beam onto the distribution beam, the bailey beam comprises a plurality of mounting units, and the mounting units comprise a plurality of groups 321 of bailey beams; the installation unit is hoisted by using a 150t crawler crane;

and after the step of transferring the bailey beam to the distribution beam, welding a bailey beam transverse limiter at a preset position of the distribution beam.

10. The method for rapidly constructing the deep water bare rock area support trestle bridge drilling platform according to claim 1, wherein in the step of paving a bridge deck system, a C30 concrete precast slab is adopted as the bridge deck, and the precast slab has a size of 8m×2m×0.2m; and hanging the precast slab on an upper chord of the bailey beam by using a crawler crane.

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