WO2023173687A1 - 一种装配式高桩码头插槽式预制构件的安装方法 - Google Patents

一种装配式高桩码头插槽式预制构件的安装方法 Download PDF

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WO2023173687A1
WO2023173687A1 PCT/CN2022/115358 CN2022115358W WO2023173687A1 WO 2023173687 A1 WO2023173687 A1 WO 2023173687A1 CN 2022115358 W CN2022115358 W CN 2022115358W WO 2023173687 A1 WO2023173687 A1 WO 2023173687A1
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component
slot
pile
installation
type
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PCT/CN2022/115358
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English (en)
French (fr)
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刘鹏
周厚亚
张跃辉
贺军
徐华锋
王国正
董浩
张运修
赵振宇
杨登辉
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中交第三航务工程局有限公司江苏分公司
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Publication of WO2023173687A1 publication Critical patent/WO2023173687A1/zh

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    • 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
    • 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
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/08—Sinking workpieces into water or soil inasmuch as not provided for elsewhere
    • 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
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • 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

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  • the invention relates to a high-pile wharf project, in particular to an installation method of slot-type prefabricated components of an assembled high-pile wharf.
  • the existing slot-type prefabricated component is a new type of component with built-in cavities made of concrete, steel bars, steel structures and other materials. It is used in prefabricated high pile wharf projects and is a component directly connected to the pile foundation. Connecting the horizontally arranged pile foundations into a whole is equivalent to cast-in-place pile caps, cast-in-place cap beams, etc. The pile foundation extends 1m into the component. Accurate positioning and installation of such a slotted component is a difficult problem.
  • slot-type installation is different from the slot-type prefabricated component installation involved in the patent of this invention.
  • the bridge project is constructed on land, and the position tolerance of the lower structure is small. It is easy to adjust the component installation position during installation.
  • the installation of high-pile wharf components is affected by offshore wind and wave conditions. The impact makes it impossible to control slotted components in a timely and accurate manner.
  • the technical problem to be solved by the present invention is to address the shortcomings of the existing technology and propose an installation method for slot-type prefabricated components of an assembled high pile wharf that is reasonably designed and easy to use.
  • the slotted component is a component with a built-in cavity.
  • the built-in cavity is cylindrical, the center of the circle coincides with the center of the pile foundation, and the diameter is 200mm to 400mm larger than the diameter of the pile foundation.
  • the pile foundation extends into the component cavity.
  • the steps are:
  • the installation and operation platform uses steel hoops to be fixed on the pile foundations at the front and rear edges of the rack.
  • a unilateral limiter is placed on the top of the installation and operation platform.
  • the unilateral limiter is made of I-beam steel.
  • the surveyor shall Use measuring tools such as a total station to measure the position of the installation edge line, and fix it on the operating platform through bolting or welding;
  • the crane ship uses a rotatable single hook operation.
  • the hook is connected to the component lifting ring through a wire rope. After the component is lifted, the top surface of the component should be kept horizontal and vertical.
  • the crane ship moves longitudinally through the pre-thrown figure-eight cable to hoist the components to the installation rack;
  • the components are lifted laterally to the installation position: the crane ship is equipped with front and rear core pulling cables, and is moved to the installation position through transverse winch anchors, and by adjusting the front traction rope of the components, the center lines of the components and the racks are basically coincident;
  • Component drop installation Pause when the component drops to about 15 to 30cm from the top of the pile. Check the gap between the built-in cavity and the pile foundation. It is required to be no less than 10cm. When the component falls again, pause when it is about 10 to 15cm away from the operating platform. Construction personnel use Jack or manually push the component to the unilateral limit device, and then the component drops to the pile top support surface again;
  • the slot-type component adopts the method of self-supporting on the pile top.
  • a steel pile core structure is set up in the pile foundation.
  • the top is a 10mm annular steel plate and a 10mm thick rubber pad, which plays the role of leveling and buffering.
  • the same row of pile tops The surface height difference shall not be greater than 3mm, and the flatness of the top of the same pile foundation shall not be greater than 3mm;
  • the pile foundation extends 1m into the component cavity.
  • step (1) the crane ship adopts a fixed pole type or a full rotation type.
  • a fixed pole type crane it should be additionally equipped with 1
  • a positioning ship is used for docking of component transport barges.
  • step (7) the thickness of the annular steel plate is 10mm and the thickness of the rubber pad is 10mm.
  • the technical solution of the present invention solves the problems of precise positioning, 90-degree steering, and support systems for the installation of slot-type components of the prefabricated high-pile wharf, so that the components can be successfully applied.
  • the technical solution of the present invention is to set a cross traction rope on the lifting ring at the front of the component, use a winch to tighten the traction rope, and achieve 90-degree rotation of the component through mechanized operation.
  • the construction is efficient and convenient, and labor input is avoided.
  • the technical solution of the present invention solves the problem of component installation accuracy by setting up a steel hoop operating platform and a unilateral limiting device.
  • Figure 1 is a structural diagram of the connection between the slotted component and the pile foundation
  • Figure 2 is a 90-degree rotation control diagram of "vertical to transverse" slot-type components
  • Figure 3 is a diagram of the installation operating platform and one-sided limiting device
  • Figure 4 is a schematic diagram of the installation of slot-type components.
  • 1-slot type component 2-component built-in cavity, 3-pile core steel structure, 4-pile top shelf structure (10mm steel plate + 10mm rubber pad), 5-lifting arm, 6-component front lifting ring 1 , 7-member front lifting eye 2, 8-traction rope 1, 9-traction rope 2, 10-winch 1, 11-winch 2, 12-crane ship, 13-steel hoop installation and operation platform, 14-single side limit Position device, 15-steel wire rope, 16-front core-pulling cable, 17-rear core-pulling cable.
  • the slot-type component is a component with a built-in cavity.
  • the built-in cavity is cylindrical, and the center of the circle coincides with the center of the pile foundation.
  • the diameter is larger than the pile foundation.
  • the base diameter is 200mm to 400mm larger, and the pile foundation extends 1m into the component cavity.
  • the steps are:
  • Vessel in position including 1 crane ship and 1 transport barge.
  • the crane ship can be of fixed boom type or full rotation type. When a fixed boom type crane is used, an additional positioning vessel should be equipped. Stop at the component transport barge.
  • the installation and operation platform uses steel hoops to be fixed on the pile foundations at the front and rear edges of the rack.
  • a unilateral limiter is placed on the top of the installation and operation platform.
  • the unilateral limiter is made of 25# I-beam steel. Measurement The personnel use measuring tools such as a total station to measure the position according to the installation edge line, and fix it on the operating platform through bolting or welding.
  • the crane ship uses a rotatable single hook operation.
  • the hook is connected to the component lifting ring through a wire rope. After the component is lifted, the top surface of the component should be kept horizontal and vertical.
  • the crane ship moves longitudinally through the pre-thrown figure-eight cable to hoist the components to the installation rack.
  • the components are laterally lifted to the installation position: the crane ship is equipped with front and rear core pulling cables, and is moved to the installation position through transverse winch anchors.
  • the component and the center line of the rack are basically coincident by adjusting the leading edge traction rope of the component.
  • Component drop installation Pause when the component drops to about 15cm from the top of the pile, and check the gap between the built-in cavity and the pile foundation, which is required to be no less than 10cm. The component falls again and pauses when it is about 10cm away from the operating platform. The construction personnel use a jack or manually push the component to the unilateral limit device, and the component falls again to the pile top support surface.
  • the slot-type component adopts the method of self-supporting on the pile top.
  • a steel pile core structure is set up in the pile foundation.
  • the top is a 10mm annular steel plate and a 10mm thick rubber pad, which plays the role of leveling and buffering.
  • the same row of pile tops The surface height difference shall not be greater than 3mm, and the flatness of the top of the same pile foundation shall not be greater than 3mm.
  • 1-slotted component 2-built-in cavity of the component, 3-pile core steel structure, 4-pile top shelf structure (10mm steel plate + 10mm rubber pad), 5-lifting arm, 6 - Component front lifting eye 1, 7 - Component front lifting eye 2, 8 - Traction rope 1, 9 - Traction rope 2, 10 - Winch 1, 11 - Winch 2, 12 - Crane ship, 13 - Steel hoop installation and operation platform, 14-unilateral limiting device, 15-steel wire rope, 16-front core-pulling cable, 17-rear core-pulling cable.
  • the components can also be installed using a full-rotation crane vessel.
  • the transport barge docks next to the crane ship. After the crane ship lifts the components, it rotates the boom to the top of the installation rack without the need for longitudinal or transverse anchor movement.
  • a jack can also be used for the unilateral limit device, and the edge position of the component installation is determined through the telescopic jack screw.
  • the component installation can also be shelved using a steel hoop support system, and the shelving at the top of the cavity is changed to the shelving at the bottom of the component.
  • Double hooks can also be used for component installation.
  • a special rotating suspension beam must be designed to rotate the components 90 degrees.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

一种装配式高桩码头插槽式预制构件的安装方法，插槽式构件(1)为一种带有内置空腔的构件，内置空腔(2)为圆柱形，圆心与桩基中心重合，直径比桩基直径大200mm～400mm，桩基伸入构件空腔(2)内，其步骤为：1)船舶就位；2)架设安装操作平台(13)；3)起重船起吊插槽式构件(1)；4) 插槽式构件(1)纵向转横向90°旋转；5) 插槽式构件(1)横向吊运至安装位置；6) 插槽式构件(1)下落安装；7)插槽式构件(1)采用桩顶自支撑的方法；8)插槽式构件(1)安装完成后，内置空腔(2)内及时浇筑混凝土或灌浆料，以形成稳固的后浇节点连接。本安装方法能精确定位，避免了大量围囹支撑系统的使用，降低施工成本；施工高效、方便，避免人力投入。

Description

一种装配式高桩码头插槽式预制构件的安装方法 技术领域
本发明涉及一种高桩码头工程，特别是一种装配式高桩码头插槽式预制构件的安装方法。
背景技术
现有插槽式预制构件预制构是一种采用混凝土、钢筋、钢结构等材料制作的带有内置空腔的新型构件，应用于装配式高桩码头工程，是直接与桩基连接的构件，将横向排架桩基连接成整体，等同于现浇桩帽、现浇帽梁等。桩基伸入构件内1m，将这样的插槽式构件准确定位及安装是一个难题。
码头工程中尚没有上部构件和桩基插槽式连接的施工方法，在装配式桥梁工程中，预制墩身与盖梁、桩与承台处等采用了插槽式安装方法，但桥梁工程上插槽式安装和本发明专利涉及的插槽式预制构件安装不同，桥梁工程位于陆上施工，下部结构位置公差小，安装时容易调整构件安装位置，但高桩码头构件安装受海上风浪条件的影响，无法对插槽式构件进行及时、准确的控制。
发明内容
本发明要解决的技术问题是针对现有技术的不足，提出了一种设计合理、使用方便的装配式高桩码头插槽式预制构件的安装方法。
本发明要解决的技术问题是通过以下技术方案来实现的，一种装配式 高桩码头插槽式预制构件的安装方法，其特点是：
所述的插槽式构件为一种带有内置空腔的构件，内置空腔为圆柱形，圆心与桩基中心重合，直径比桩基直径大200mm～400mm，桩基伸入构件空腔内，
其步骤为：
(1)船舶就位：包括1条起重船、1条运输驳；
(2)架设安装操作平台：安装操作平台采用钢抱箍固定在排架前后沿桩基上，安装操作平台顶部放置单侧限位装置，单侧限位装置采用工字钢制作，测量人员根据安装边线使用全站仪等测量工具测设其位置，通过螺栓连接或焊接固定在操作平台上；
(3)起重船起吊构件：起重船采用可旋转单钩作业，吊钩通过钢丝绳连接构件吊环，将构件吊起后，构件应保持顶面水平、竖向垂直。起重船通过预先抛设的八字缆纵向绞锚移动，吊运构件至安装排架处；
(4)构件纵向转横向90°旋转：插槽式构件吊运至安装排架后，构件前沿2个吊环分别引两根交叉牵引绳至起重船上两台卷扬机，通过卷扬机收紧牵引绳实现构件的纵向转横向90°旋转；
(5)构件横向吊运至安装位置：起重船设置前后抽芯缆，通过横向绞锚移动至安装位置，并通过调整构件前沿牵引绳，实现构件与排架中心线基本重合；
(6)构件下落安装：构件下落至桩顶约15～30cm时暂停，检查内置空腔与桩基间隙，要求不小于10cm，构件再次下落，距离操作平台约10～15cm时暂停，施工人员使用千斤顶或人工将构件顶推至单侧 限位装置处，构件再次下落至桩顶支撑面上；
(7)插槽式构件采用桩顶自支撑的方法，桩基内设置型钢桩芯结构，顶部为10mm圆环形钢板和10mm厚橡胶垫，起到调平和缓冲的作用，同一排架桩顶面高差不得大于3mm，同一桩基顶部平整度不得大于3mm；
(8)插槽式构件安装完成后，构件内置空腔内及时浇筑混凝土或灌浆料，以形成稳固的后浇节点连接。
本发明要解决的技术问题还可以通过以下技术方案来进一步实现，桩基伸入构件空腔内1m。
本发明要解决的技术问题还可以通过以下技术方案来进一步实现，步骤(1)中，起重船采用固定扒杆式或全回转式，采用固定扒杆式起重船时，应额外配备1条定位船用于构件运输驳停靠。
本发明要解决的技术问题还可以通过以下技术方案来进一步实现，步骤(7)中，圆环形钢板厚为10mm，橡胶垫厚为10mm。
本发明与现有技术相比，有益效果是：
(1)本发明技术方案解决了装配式高桩码头插槽式构件安装精确定位、90度转向、支撑系统等难题，使该构件能够成功应用。
(2)本发明技术方案通过设置桩芯型钢结构，采用桩顶自支撑的方法，避免了大量围囹支撑系统的使用，降低施工成本。
(3)本发明技术方案通过在构件前沿吊环设置交叉牵引绳，使用卷扬机收紧牵引绳，机械化操作实现构件90度旋转，施工高效、方便，避免人力投入。
(4)本发明技术方案通过设置钢抱箍操作平台和单侧限位装置，解决了构件安装精度问题。
附图说明
图1为插槽式构件与桩基连接结构图；
图2为插槽式构件“纵向转横向”90度旋转控制图；
图3为安装操作平台及单侧限位装置图；
图4为插槽式构件安装示意图。
其中：1-插槽式构件，2-构件内置空腔，3-桩芯型钢结构，4-桩顶搁置结构(10mm钢板+10mm橡胶垫)，5-起重臂，6-构件前沿吊环1，7-构件前沿吊环2，8-牵引绳1，9-牵引绳2，10-卷扬机1，11-卷扬机2，12-起重船，13-钢抱箍安装操作平台，14-单侧限位装置，15-钢丝绳，16-前抽芯缆，17-后抽芯缆。
具体实施方式
以下进一步描述本发明的具体技术方案，为使本发明实施例的目的、技术方案和优点更加清楚，以便于本领域的技术人员进一步地理解本发明，下面将结合本发明实施例，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例，而不构成对其权利的限制。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
一种装配式高桩码头插槽式构件的安装方法，所述的插槽式构件为一种带有内置空腔的构件，内置空腔为圆柱形，圆心与桩基中心重合， 直径比桩基直径大200mm～400mm，桩基伸入构件空腔内1m。
其步骤为：
(1)船舶就位：包括1条起重船、1条运输驳，起重船可采用固定扒杆式和全回转式，采用固定扒杆式起重船时，应额外配备1条定位船用于构件运输驳停靠。
(2)架设安装操作平台：安装操作平台采用钢抱箍固定在排架前后沿桩基上，安装操作平台顶部放置单侧限位装置，单侧限位装置采用25#工字钢制作，测量人员根据安装边线使用全站仪等测量工具测设其位置，通过螺栓连接或焊接固定在操作平台上。
(3)起重船起吊构件：起重船采用可旋转单钩作业，吊钩通过钢丝绳连接构件吊环，将构件吊起后，构件应保持顶面水平、竖向垂直。起重船通过预先抛设的八字缆纵向绞锚移动，吊运构件至安装排架处。
(4)构件“纵向转横向”90度旋转：插槽式构件吊运至安装排架后，构件前沿2个吊环分别引两根交叉牵引绳至起重船上两台卷扬机，通过卷扬机收紧牵引绳实现构件的“纵向转横向”90度旋转。
(5)构件横向吊运至安装位置：起重船设置前后抽芯缆，通过横向绞锚移动至安装位置，并通过调整构件前沿牵引绳，实现构件与排架中心线基本重合。
(6)构件下落安装：构件下落至桩顶约15cm时暂停，检查内置空腔与桩基间隙，要求不小于10cm。构件再次下落，距离操作平台约10cm时暂停，施工人员使用千斤顶或人工将构件顶推至单侧限位装置处，构件再次下落至桩顶支撑面上。
(7)插槽式构件采用桩顶自支撑的方法，桩基内设置型钢桩芯结构，顶部为10mm圆环形钢板和10mm厚橡胶垫，起到调平和缓冲的作用，同一排架桩顶面高差不得大于3mm，同一桩基顶部平整度不得大于3mm。
(8)插槽式构件安装完成后，构件内置空腔内及时浇筑混凝土或灌浆料，以形成稳固的后浇节点连接。
如图所示：其中：1-插槽式构件，2-构件内置空腔，3-桩芯型钢结构，4-桩顶搁置结构(10mm钢板+10mm橡胶垫)，5-起重臂，6-构件前沿吊环1，7-构件前沿吊环2，8-牵引绳1，9-牵引绳2，10-卷扬机1，11-卷扬机2，12-起重船，13-钢抱箍安装操作平台，14-单侧限位装置，15-钢丝绳，16-前抽芯缆，17-后抽芯缆。
另外：(1)构件也可使用全回转式起重船进行安装。运输驳停靠在起重船边，起重船吊起构件后，旋转大臂至安装排架上方，无需纵向、横向绞锚移动。
(2)单侧限位装置也可使用千斤顶，通过伸缩千斤顶螺杆确定构件安装边线位置。
(3)构件安装也可采用钢抱箍围囹支撑系统进行搁置，由空腔顶部搁置改为构件底部搁置。
(4)构件安装也可使用双钩作业，采用双钩时需设计专用旋转吊梁进行构件的90度旋转。

Claims (4)

  1. 一种装配式高桩码头插槽式预制构件的安装方法，其特征在于：所述的插槽式构件为一种带有内置空腔的构件，内置空腔为圆柱形，圆心与桩基中心重合，直径比桩基直径大200mm～400mm，桩基伸入构件空腔内，
    其步骤为：
    (1)船舶就位：包括1条起重船、1条运输驳；
    (2)架设安装操作平台：安装操作平台采用钢抱箍固定在排架前后沿桩基上，安装操作平台顶部放置单侧限位装置，单侧限位装置采用工字钢制作，测量人员根据安装边线使用全站仪等测量工具测设其位置，通过螺栓连接或焊接固定在操作平台上；
    (3)起重船起吊构件：起重船采用可旋转单钩作业，吊钩通过钢丝绳连接构件吊环，将构件吊起后，构件应保持顶面水平、竖向垂直。起重船通过预先抛设的八字缆纵向绞锚移动，吊运构件至安装排架处；
    (4)构件纵向转横向90°旋转：插槽式构件吊运至安装排架后，构件前沿2个吊环分别引两根交叉牵引绳至起重船上两台卷扬机，通过卷扬机收紧牵引绳实现构件的纵向转横向90°旋转；
    (5)构件横向吊运至安装位置：起重船设置前后抽芯缆，通过横向绞锚移动至安装位置，并通过调整构件前沿牵引绳，实现构件与排架中心线基本重合；
    (6)构件下落安装：构件下落至桩顶约15～30cm时暂停，检查内置 空腔与桩基间隙，要求不小于10cm，构件再次下落，距离操作平台约10～15cm时暂停，施工人员使用千斤顶或人工将构件顶推至单侧限位装置处，构件再次下落至桩顶支撑面上；
    (7)插槽式构件采用桩顶自支撑的方法，桩基内设置型钢桩芯结构，顶部为10mm圆环形钢板和10mm厚橡胶垫，起到调平和缓冲的作用，同一排架桩顶面高差不得大于3mm，同一桩基顶部平整度不得大于3mm；
    (8)插槽式构件安装完成后，构件内置空腔内及时浇筑混凝土或灌浆料，以形成稳固的后浇节点连接。
  2. 根据权利要求1所述的装配式高桩码头插槽式预制构件的安装方法，其特征在于：桩基伸入构件空腔内1m。
  3. 根据权利要求1所述的装配式高桩码头插槽式预制构件的安装方法，其特征在于：步骤(1)中，起重船采用固定扒杆式或全回转式，采用固定扒杆式起重船时，应额外配备1条定位船用于构件运输驳停靠。
  4. 根据权利要求1所述的装配式高桩码头插槽式预制构件的安装方法，其特征在于：步骤(7)中，圆环形钢板厚为10mm，橡胶垫厚为10mm。
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