WO2023071518A1 - 一种高桩码头灌注桩施工用平台的搭设方法 - Google Patents

一种高桩码头灌注桩施工用平台的搭设方法 Download PDF

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Publication number
WO2023071518A1
WO2023071518A1 PCT/CN2022/116505 CN2022116505W WO2023071518A1 WO 2023071518 A1 WO2023071518 A1 WO 2023071518A1 CN 2022116505 W CN2022116505 W CN 2022116505W WO 2023071518 A1 WO2023071518 A1 WO 2023071518A1
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WIPO (PCT)
Prior art keywords
platform
pile
cast
construction
area
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PCT/CN2022/116505
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English (en)
French (fr)
Chinese (zh)
Inventor
范剑祥
傅志霖
傅建兴
吴雄程
陈少梅
李幼春
林志捷
Original Assignee
中交第三航务工程局有限公司
中交三航局第六工程(厦门)有限公司
中交第三航务工程局有限公司厦门分公司
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Priority to KR1020247007484A priority Critical patent/KR20240039045A/ko
Publication of WO2023071518A1 publication Critical patent/WO2023071518A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/027—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto steel structures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/06—Moles; Piers; Quays; Quay walls; Groynes; Breakwaters ; Wave dissipating walls; Quay equipment
    • E02B3/068—Landing stages for vessels
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/10—Deep foundations
    • E02D27/12—Pile foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/10—Deep foundations
    • E02D27/12—Pile foundations
    • E02D27/14—Pile framings, i.e. piles assembled to form the substructure
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0039—Methods for placing the offshore structure
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056—Platforms with supporting legs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2300/00—Materials
    • E02D2300/0026—Metals
    • E02D2300/0029—Steel; Iron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters

Definitions

  • the invention relates to a method for setting up a platform for cast-in-situ pile construction of a high pile wharf.
  • the construction platform When carrying out engineering projects such as wharf hydraulic engineering, road bridges, etc., the construction platform should be erected first, and then the wharf structure should be constructed on the construction platform. If cast-in-situ piles are used as foundation piles of the wharf, the support system of the construction platform should meet the bearing capacity requirements during the construction of cast-in-place piles. Therefore, what kind of support system to choose for the construction platform and how to erect the construction platform according to the geological conditions of the wharf have become technical problems to be solved urgently.
  • the purpose of the present invention is to overcome the defects of the prior art and provide a method for setting up a platform for cast-in-situ pile construction in high-pile wharf. It has high overall stability and long service life, can ensure the whole process of wharf construction, and can protect The security and stability of the wharf and revetment.
  • a method for setting up a platform for cast-in-situ pile construction of a high-pile wharf includes a public road area arranged along the shoreline and a platform area and a platform area vertically connected to the head end of the public road area in turn Wharf area; 3 rows of pile foundations are arranged in the public road area, and each row of pile foundations is composed of 20 cast-in-place piles; the first row of pile foundations located on the near shore side of the public road area and the second row of pile foundations located in the public road area They are all located on the bank revetment riprap foundation bed, and the first to ninth cast-in-place piles are all located on the non-bank revetment riprap foundation bed in the third row of pile foundations near the platform area in the public road area.
  • the 10th to 20th cast-in-situ piles of the column pile foundation are all located on the bank revetment riprap foundation bed; 11 columns of pile foundations are arranged in the platform area, and each row of pile foundations is composed of 5 cast-in-situ piles; the near-shore side of the platform area The first column of pile foundations and the second column of pile foundations are all located on the revetment riprap foundation bed, and the third to eleventh column pile foundations in the platform area are all located on non-bank revetment riprap foundation beds; the wharf area is arranged in 19 rows Pile foundations, each row of pile foundations is composed of 5 cast-in-place piles, and the pile foundations of the 1st row to the 19th row of pile foundations in the wharf area are all located on the non-bank riprap foundation bed;
  • the construction platform includes a set of cantilevered platforms for turnover, a construction platform for the shore section, and a construction platform for the standard section;
  • the implantation construction of the steel casing of the first row of pile foundations in the pile foundation and public road area, and each installation can only carry out the hole-forming construction of a single cast-in-situ pile into the steel casing;
  • the construction platform of the shore section includes the construction platform of the shore section of the platform area corresponding to the first row of pile foundations to the third row of pile foundations on the near-shore side of the platform area, and the first cast-in-place pile of the three rows of pile foundations in the public road area.
  • the construction platform of the standard section is connected to the outer end of the construction platform of the landing section in the platform area and corresponds to the 4th to 11th row of pile foundations in the platform area and corresponds to the 1st to 19th row of pile foundations in the wharf area correspond;
  • the cantilevered platform includes a cantilevered platform body, a weight device and a beam head stopper; the cantilevered platform body is composed of a platform cantilever section and a platform anchor section; the cantilevered platform body includes a platform longitudinal beam and a The platform panel on the beam; the platform stringer is composed of two groups of Bailey sheets, each group of Bailey sheets is composed of five Bailey sheets, and the distance between the two groups of Bailey sheets is greater than the distance between each group of Bailey sheets; The Bailey pieces are connected as a whole by six vertical truss pieces, and a horizontal truss piece is respectively connected between the upper chords and the lower chords of the two groups of Bailey pieces in the cantilever section of the platform; the platform panel is composed of multiple The channel steel is reversed; the weight device includes a number of weight blocks installed on the platform panel and two sets of limiters; the beam head limiter includes at least two parallel welded on the top surface of the steel plate The limit column and a limit cross bar that spans between the two limit columns and presse
  • the erection method of the construction platform of the present invention comprises the following processes: erection of the cantilevered platform, construction of steel casings for cast-in-place piles located on the non-bank revetment riprap foundation bed, erection of the construction platform at the shore section of the platform area, and construction of the first section of the public road area. Construction platform erection, construction platform erection of the second section of the public road area, construction platform erection of the standard section.
  • the cantilevered platform When carrying out the erection process of the cantilevered platform, first complete the assembly of the cantilevered platform body in the ground factory, and set four lifting lugs on the cantilevered platform body, then transport the cantilevered platform body to the site, and then place the cantilevered platform body
  • the anchorage section of the platform is placed on the top surface of the revetment parapet of the wharf within the shoreline, and then the ballast block is installed on the anchorage section of the platform; then a set of limit pieces are respectively installed on the inner end and the outer end of the ballast block, and finally
  • the inner end of the cantilever platform body and the fulcrum of the cantilever section of the platform are respectively fixed on the top surface of the revetment parapet of the wharf with beam head stoppers.
  • a piling ship When driving the steel casing of cast-in-place piles on the non-bank revetment riprap foundation bed, a piling ship is used to drive the steel casing of the third row of pile foundations in the platform area to the 19th row of pile foundations in the wharf area from the inside out
  • the steel casing of the first cast-in-place pile to the upper outer peripheral surface of the steel casing of the ninth cast-in-place pile in the third row of pile foundations in the public road area Weld two supporting corbels symmetrically, and then on the upper outer periphery of the steel casing of the first cast-in-place pile in the first row of pile foundations in the public road area to the upper outer periphery of the steel casing of the ninth cast-in-place pile Weld two supporting corbels symmetrically one after the other on the surface, and then pour the two supporting corbels on the steel casing of the first cast-in-place pile in the third row of pile foundations in the public road area to the ninth Between the two supporting corbels on the steel casing of the pile and between the two supporting corbels on the steel casing of the 1st cast-in-place pile of the 1st row of pile foundations in the public road area to the steel
  • the inner platform of the construction platform of the second section of the public road area is erected.
  • the steel casing of the cast-in-place pile is the fulcrum; first weld a supporting corbel on the outer surface of the steel casing of the 10th cast-in-place pile to the steel casing of the 20th cast-in-place pile in the first row of pile foundation in the public road area , and weld a back pressure corbel higher than the supporting corbel on the upper inner side of the steel casing of the 10th cast-in-place pile to the 20th cast-in-place pile in the first row of pile foundation in the public road area , and then lay double I-beam beams on the supporting corbels, and then place the anchor section of the Bailey sheet longitudinal beam of the inner platform on the top surface of the revetment parapet of the wharf and fix it with a beam head stopper, and the Bailey sheet of the inner platform
  • the cantilever section of the longitudinal beam extends to the position of the 10th to 20th cast-in
  • the inner platform of the construction platform of the second section of the public road area After the inner platform of the construction platform of the second section of the public road area is erected, it will be inspected and accepted, and then the full-rotary drilling rig will be hoisted to the inner platform to carry out the 10th to 20th cast-in-situ piles of the second row of pile foundations in the public road area.
  • the pile hole is implanted into the steel casing for construction;
  • the outer platform of the construction platform of the second section of the public road area is erected.
  • the steel casing of the cast-in-place pile is the fulcrum; first weld a supporting corbel on the outer surface of the steel casing of the 10th cast-in-place pile to the steel casing of the 20th cast-in-place pile in the second row of pile foundation in the public road area , and then lay double I-beam beams on the supporting corbels, and then connect the inner end of the Bayret stringer on the outer platform to the outer end of the Bayret stringer on the inner platform, and connect the outer end of the Bayret stringer on the outer platform
  • the anchorage section rests on the double I-beam beam, and the cantilever section of the Bayret longitudinal beam of the outer platform extends to the position of the 10th to 20th cast-in-place piles of the third row of pile foundations in the public road area, and then Lay I-beam distribution beams, multiple reversed panel channel steels and checkered steel
  • two supports are symmetrically welded on the upper outer peripheral surface of the steel casing of the 4th row of pile foundations in the platform area to the upper outer peripheral surface of the steel casing of the 19th row of pile foundations in the wharf area Corbels, then lay I-beam beams on the two supporting corbels of the steel casings of each row of pile foundations, and then install the Bailey sheet longitudinal beams of the construction platform of the standard section on the I-beam beams, and then construct in the standard section I-beam distribution beams, multiple reversed panel channel steels and checkered steel plates are laid sequentially on the Bailey sheet longitudinal beams of the platform.
  • the counterweight is a steel ingot or a water tank.
  • the construction platform of the platform area connecting to the shore adopts 9 Bailey sheet longitudinal beams, of which 5 Bailey sheet longitudinal beams Corresponding to the steel casings of the 5 perfusion pipes in the pile foundations of the first column to the third column in the platform area, and the other four beams are located between the adjacent steel casings, and each shell
  • the mine stringer is composed of two Bailey plates with a distance of 1.5m.
  • the method for erecting the platform for the construction of cast-in-situ piles in the above-mentioned high-pile wharf wherein, when carrying out the process of erecting the construction platform of the first section of the public road area, the construction platform of the first section of the public road area adopts 9 Bailey sheet longitudinal beams, and the 9 Douberet longitudinal beams and the steel casings of the first cast-in-place piles to the steel casings of the ninth cast-in-place piles corresponding to the pile foundations of the first row to the third row of pile foundations in the public road area;
  • the Bailey sheet stringer is composed of two Bailey sheets with a distance of 1.5m.
  • the method for erecting the platform for cast-in-place pile construction of the above-mentioned high-pile wharf wherein, when carrying out the construction process of the second subsection construction platform in the public road area, the inner platform and the outer platform both adopt 11 Bailey sheet longitudinal beams, and the 11 Bayley sheet stringers one by one correspond to the steel casing of the 10th cast-in-place pile to the steel casing of the 20th cast-in-place pile in the third row of pile foundations in the public road area, and the spacing of each Bailey sheet stringer is two It is composed of Bailey slices of 0.45m.
  • the full-sleeve drilling method is used to carry out the hole-forming construction of the cast-in-place piles by using the full-rotary drilling rig, which effectively avoids the risk of riprap collapse during the hole-forming process and ensures that the existing wharf during the construction process and the safety and stability of the revetment.
  • Fig. 1 is the plane layout drawing of the platform for cast-in-situ pile construction of high-pile wharf of the present invention
  • Fig. 2 is the vertical section view of the cantilevered platform erected in the erecting method of the platform for cast-in-situ pile construction of high-pile wharf of the present invention
  • Fig. 3 is the plan view of suspension platform of the present invention.
  • Fig. 4 is A-A direction view among Fig. 2;
  • Fig. 5 is the B-B direction view among Fig. 2;
  • Fig. 6 is the cross-sectional view of the construction platform of the platform area connecting to the shore section erected in the erecting method of the platform for cast-in-situ pile construction of the high-pile wharf of the present invention
  • Fig. 7 is the longitudinal sectional view of the construction platform of the platform area connecting to the shore section erected in the erecting method of the platform for cast-in-situ pile construction of high-pile wharf of the present invention
  • Fig. 8 a is the plan view of the supporting corbel adopted in the erecting method of the platform for cast-in-situ pile construction of high-pile wharf of the present invention
  • Figure 8b is a front view of Figure 8ad
  • Figure 8c is a right side view of Figure 8a
  • Fig. 9 is a longitudinal section view of the first subsection construction platform in the public road area set up in the method for setting up the platform for cast-in-situ pile construction in the high-pile wharf of the present invention
  • Fig. 10 is a cross-sectional view of the first subsection construction platform in the public road area set up in the method for setting up the platform for cast-in-situ pile construction in the high-pile wharf of the present invention
  • Fig. 11 is the longitudinal section view of the inner platform of the second subsection construction platform in the public road area set up in the erection method of the platform for cast-in-situ pile construction in the high-pile wharf of the present invention
  • Fig. 12 is a longitudinal section view of the outer platform of the second subsection construction platform in the public road area set up in the method for setting up the platform for cast-in-situ pile construction in the high-pile wharf of the present invention
  • Fig. 13 is the cross-sectional view of the standard section construction platform erected in the erection method of the platform for cast-in-situ pile construction of the high-pile wharf of the present invention
  • Fig. 14 is a vertical sectional view of a construction platform in a standard section erected in the method for erecting a platform for cast-in-situ pile construction of a high-pile wharf according to the present invention.
  • the plane of applicable high-pile wharf is L-shaped and comprises the public road area 10 that is arranged along the shoreline and is vertically connected successively in the public road area 10
  • the platform area 20 and the wharf area 30 at the head end three columns of pile foundations (A, B, C) with a spacing of 5.25m are arranged in the public road area 10, and each row of pile foundations consists of 20 cast-in-place piles (D1-D20) with a spacing of 7.4m ) composition;
  • the first row of pile foundations A on the shore side of the public road area 10 and the pile foundation B in the middle of the public road area 10 are all located on the embankment riprap foundation bed, and the third row of pile foundations located in the public road area 10
  • the construction platform of the present invention also has different erection methods according to different geological conditions; the construction platform includes a cantilevered platform 40 for turnover, a construction platform for the shore section and a construction platform 70 for the standard section.
  • the cantilevered platform 40 is used to plant the steel casing 201 of the first row of pile foundation A1 in the platform area and the steel casing 101 of the first row of pile foundation A in the public road area with the outer end of the top surface of the revetment parapet of the wharf as the fulcrum. Into the construction, and each installation can only carry out the hole-forming steel casing construction of a single cast-in-situ pile.
  • the construction platform of the shore section is divided into three sections, namely, the construction platform 50 of the platform area corresponding to the first row of pile foundations A1 to the third row of pile foundations A3 on the near-shore side of the platform area 20, and the three columns of the public road area 10.
  • the construction platform 70 of the standard section is connected to the outer end of the construction platform 50 of the landing section in the platform area and corresponds to the pile foundations A4 to A11 of the 4th column in the platform area 20 and corresponds to the pile foundations H1 to A11 in the 1st column of the wharf area 30.
  • Column 19 corresponds to pile foundation H19.
  • the cantilevered platform 40 comprises a cantilevered platform body, a weight device and a beam head limiter; the width of the cantilevered platform body is 4m, and the length is 15m, that is, the platform anchorage section 40A with a length of 9m and the platform cantilever with a length of 6m section 40B; the cantilevered platform body includes a platform stringer 41 and a platform panel 42 laid on the platform stringer 41; the platform stringer 41 is composed of two groups of Bailey sheets with a length of 15m, and each group of Bailey sheets consists of five It is composed of Baileys with a spacing of 225mm, and the distance between two groups of Baileys is 1800mm; the ten Baileys are connected as a whole by six vertical truss pieces 410, and the upper chords of the two groups of Baileys in the cantilever section 40B of the platform A horizontal truss piece (not shown) is respectively connected between the bottom chords and the bottom chords; the platform panel 42 is composed of multiple inverted channel steels
  • the method for erecting a platform for cast-in-situ pile construction in a high-piled wharf of the present invention includes the following processes: erecting a cantilevered platform, erecting steel casings for cast-in-situ piles located on a non-bank revetment riprap foundation bed, erecting a construction platform in the platform area connecting to the bank, and constructing a public road.
  • the cantilevered platform 40 When carrying out the erection process of the cantilevered platform 40, first complete the assembly of the cantilevered platform body in the ground factory, and set four lifting lugs on the cantilevered platform body, then transport the cantilevered platform body to the site, and then place the cantilevered platform
  • the platform anchoring section 40A of the main body is placed on the top surface of the revetment parapet 200 within the shoreline, and the platform cantilever section 40B extends to the position of the first row of pile foundations H1 in the dock area 30 or the first row of pile foundations A in the public road area
  • the ballast block 43 is installed on the platform anchor section 40A.
  • the installation range of the ballast block 43 is the ballast area 6m outward from the inner end of the platform anchor section 40A, leaving 3m as a channel;
  • a set of L-shaped stoppers (not shown) are respectively installed on the inner and outer ends of the block 43, and finally at the inner end of the cantilever platform body and the fulcrum of the platform cantilever section 40B (the inner end of the platform cantilever section 40B)
  • Beam head stoppers are respectively used to fix on the top surface of the revetment parapet 200 of the wharf to prevent the cantilevered platform body from slipping.
  • the surrounding of the cantilevered platform body is surrounded by a safety net with a height of 1.2m.
  • the cantilevered platform 40 After the cantilevered platform 40 is installed, inspection and acceptance are carried out, and then the full-rotary drilling rig is hoisted 100 to the platform cantilever section 40B of the cantilevered platform 40 to carry out the construction of a single cast-in-place pile into a steel casing;
  • the weight of the power station is 8t, which can be placed on the shore.
  • the full-rotary drilling rig 100 is hoisted away from the suspension platform 40, and then the weight device and For the beam head limiter, use the 85t crawler crane to hoist the cantilevered platform body to the next pile foundation position for installation, and then carry out the hole-forming construction with the full-rotary drilling rig, and repeat this until the steel casing of the first row of pile foundation A1 in the platform area is completed 201 implantation and the steel casing 101 implantation of the first row of pile foundation A in the public road area.
  • the cantilevered platform 40 is used as the construction platform for the first row of pile foundations A1 in the platform area and the first row of pile foundations A in the public road area.
  • the horizontal torsion is transmitted to the shore side through the reaction frame.
  • the crawler crane resists, so the overhanging platform 40 only considers the self-weight of the drilling rig during the construction process of the full-turn drilling rig, the self-weight of the casing and the frictional resistance during the drilling process, and does not consider other equipment operating on the overhanging platform 40 .
  • the piling ship When carrying out the process of driving the steel casing of the cast-in-situ pile on the non-bank revetment riprap foundation bed, the piling ship is used to drive the steel casing 203 of the third row of pile foundation A3 in the platform area from the inside to the outside at sea to the first row of the dock area.
  • the steel casing 201 of the first column of pile foundation A1 in the platform area that has been implanted into the foundation and the steel casing 201 of the third column of pile foundation A3 in the platform area are first placed.
  • two support brackets 80 are welded symmetrically, one inside and one outside; I-steel beam 800, lay I-steel beam 801 between the two supporting corbels 80 on the steel casing 201 of the first row of pile foundation A1 in the platform area, and then lay I-steel beam 801 on the double I-steel beam 800 and I-steel Install the Bailey sheet longitudinal beam 500 of the construction platform 50 of the platform area connecting to the shore section on the crossbeam 801, then lay the I-beam distribution beam 802 at a distance of 500mm on the Bailey sheet longitudinal beam 500 of the construction platform 50 of the platform area connecting to the shore section, and finally install On the beam distribution beam 802, a panel consisting of multiple reversed channel steels 803 and 10mm thick checkered steel plates 804 is laid at a distance of 500mm, and a safety fence with a height of 1.2m is installed on the outer edge of the construction platform 50 at the shore section of the platform area 805.
  • the Bailey sheet longitudinal beam 500 of the construction platform 50 in the platform area connecting to the shore adopts 9 Bailey sheet longitudinal beams, of which 5 Bailey sheet longitudinal beams correspond to the first row of pile foundations A1 to the third row of pile foundations in the platform area
  • the steel casing of 5 pouring pipes in A3, and the other 4 Bailey sheet longitudinal beams are located between adjacent steel casings, and each Bailey sheet longitudinal beam is composed of two Bailey sheets with a distance of 1.5m ( See Figures 6 and 7).
  • Above-mentioned supporting corbel 80 is ⁇ shape, promptly comprises top plate 81, bottom plate 82 and two webs 83 that are connected between top plate 81 and bottom plate 82, the length of top plate 81 is identical with the length of bottom plate 82, and the width of top plate 81 is greater than The width of the bottom plate 82 (see Figures 8a, 8b and 8c).
  • the steel casings 103 to 9 of the first cast-in-place pile D1 in the third row of pile foundation C in the public road area that has been implanted into the foundation are poured first.
  • Two support brackets 80 are symmetrically welded on the upper outer peripheral surface of the steel casing 103 of the pile D9, and then the steel casing of the first cast-in-place pile D1 in the first row of pile foundation A in the public road area that has been implanted into the foundation From the upper outer peripheral surface of the tube 101 to the upper outer peripheral surface of the steel casing 101 of the ninth cast-in-place pile D9, two support brackets 80 are symmetrically welded one after the other, and then the third column of pile foundations in the public road area Between the two support corbels 80 on the steel casing 103 of the first cast-in-place pile D1 in C to the two support corbels 80 on the steel casing 103 of the ninth cast-in-place pile D9 and the first in the public road area A public road is erected between the two supporting corbels 80 on the steel casing 101 of the first cast-in-place pile D1 of a row of pile foundation A to the two supporting corbels 80 on the steel casing 101 of the ninth cast-
  • the Bailey sheet longitudinal beam 600 of the construction platform 60A of the first section of the public road area adopts 9 Bailey sheet longitudinal beams, and the 9 Bailey sheet longitudinal beams correspond to the first row of pile foundations A to 1 in the public road area.
  • each Belay sheet stringer is two Bere sheets with a distance of 1.5m Composition (see Figure 9 and Figure 10).
  • the construction platform 60B of the second section of the public road area is supported on the steel casing 101 of the first row of pile foundations in the public road area, and a balance system composed of counter-pressure corbels 80A and pressure beams is used to complete the construction of the public road area.
  • the inner platform 61 of the construction platform 60B of the second section of the public road area is erected.
  • the steel casing 101 from cylinder 101 to the 20th cast-in-place pile D20 is the fulcrum; the steel casing 101 to the 20th steel casing 101 to the 20th steel casing of the 10th cast-in-place pile D10 in the first row of pile foundation A in the public road area that has been implanted in the foundation
  • a supporting corbel 80 is welded on the outer surface of the upper part of the steel casing 101 of the cast-in-place pile D20, and the steel casing 101 to the 20th cast-in-place pile of the 10th cast-in-place pile D10 in the first row of pile foundation A in the public road area
  • a counter pressure corbel 80A higher than the supporting corbel 80 is welded on the inner surface of the upper part of the steel casing 101 of D20, and then a double I-beam beam 800 is laid on the supporting corbel 80, and then the Bailey sheet of the inner platform 61
  • the cantilever section of the Bayret stringer 610 of the inner platform 61 extends to the second column of the public road area
  • the Bailey sheet longitudinal beam 610 of the inner platform 61 is installed on the double I-beam beam 800 on the supporting corbel 80, and on the reverse
  • the bottom surface of the pressure corbel 80A is back-pressed on the lower chord of the Bayley sheet longitudinal beam 610 of the inner platform 61 through the I-beam pressure beam 80B, and then the I-shaped beams are laid on the Bailey sheet longitudinal beam 610 of the inner platform 61 at a distance of 500 mm.
  • the above-mentioned counter pressure bracket 80A is an inverted form of the support bracket 80 .
  • the outer platform 62 of the construction platform 60B of the second section of the public road area is erected.
  • the steel casing 102 to the 20th cast-in-place pile is the fulcrum; the steel casing 102 to the 20th cast-in-place pile D20 of the 10th cast-in-place pile D10 in the second row of pile foundation B in the public road area that has been implanted in the foundation first
  • a supporting corbel 80 is welded on the upper outer side of the steel casing 102 of the steel casing 102, and then a double I-beam beam 800 is laid on the supporting corbel 80, and then the inner end of the Bailey sheet stringer 620 of the outer platform 62 is connected to the inner platform
  • the outer end of the Bailey sheet longitudinal beam 610 of 61 is connected, the anchor section of the Bailey sheet longitudinal beam 620 of the outer platform 62 rests on the double I-beam beam 800, and the cantilever section of the Bailey sheet longitudinal beam 620 of the outer platform 62 extends To the position of the 10
  • a panel composed of multiple reversed channel steels 803 and 10mm thick checkered steel plates 804 is laid at a distance of 500mm, and a safety guard with a height of 1.2m is installed on the outer edge of the outer platform 62.
  • Fence 805 (see Figure 12).
  • each Bere sheet stringer is composed of two Bere sheets with a spacing of 0.45m.
  • the full-rotary drilling rig 100 is hoisted to the outer platform 62 to form holes for the 10th cast-in-situ pile D10 to the 20th cast-in-situ pile D20 of the third row of pile foundation C in the public road area Implant steel casing construction.
  • other heavy vehicles or heavy objects are not allowed to be loaded on the outer platform 62 except the azimuth drilling machine 100.
  • the steel casing 310 of the 10th row of pile foundation H10 in the quayside area and the 11th row of pile foundation H10 in the quayside area Longitudinal scissor braces 90 are arranged between the steel casings 311 of the column pile foundation H11 (see Fig. 13 and Fig. 14 ).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Road Paving Structures (AREA)
  • Revetment (AREA)
PCT/CN2022/116505 2021-10-25 2022-09-01 一种高桩码头灌注桩施工用平台的搭设方法 WO2023071518A1 (zh)

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CN114000459B (zh) * 2021-10-25 2022-12-27 中交第三航务工程局有限公司 一种高桩码头灌注桩施工用平台的搭设方法
CN115198713A (zh) * 2022-08-01 2022-10-18 江苏山水环境建设集团股份有限公司 悬挑式钢混结构亲水平台施工方法

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CN103741657A (zh) * 2013-12-27 2014-04-23 中铁大桥局集团第一工程有限公司 大型多功能水上施工平台的施工方法
CN103806409A (zh) * 2014-02-13 2014-05-21 中交第四航务工程局有限公司 重力式码头基床的铣削成型系统及重力式码头结构的施工方法
CN113250166A (zh) * 2021-05-26 2021-08-13 张成瑞 钢板桩基础顶面搭建灌注桩钻孔平台的施工方法及平台
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