CN116378041A - Construction method of temporary steel pipe pile in shallow water area - Google Patents
Construction method of temporary steel pipe pile in shallow water area Download PDFInfo
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- CN116378041A CN116378041A CN202310221874.9A CN202310221874A CN116378041A CN 116378041 A CN116378041 A CN 116378041A CN 202310221874 A CN202310221874 A CN 202310221874A CN 116378041 A CN116378041 A CN 116378041A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 158
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 114
- 239000010959 steel Substances 0.000 title claims abstract description 114
- 238000010276 construction Methods 0.000 title claims abstract description 56
- 238000012545 processing Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 25
- 230000002829 reductive effect Effects 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract description 5
- 238000007667 floating Methods 0.000 description 9
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
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- 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
- E02D5/24—Prefabricated piles
- E02D5/28—Prefabricated piles made of steel or other metals
- E02D5/285—Prefabricated piles made of steel or other metals tubular, e.g. prefabricated from sheet pile elements
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/402—River restoration
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses a construction method of a temporary steel pipe pile in a shallow water area, which comprises the following steps: hoisting a plurality of buoyancy tanks to the water surface to form independent boat bodies; assembling the boat bodies to form an integral structure so as to form a main body platform, and installing a power system on the main body platform; and moving a crawler pile driver to the main body platform to form the water moving working platform; the power system is utilized to move the water movable working platform to a preset pile position, and the crawler pile driver is utilized to pile the preset pile position so as to form pile holes on the river bed ground of the shallow water area; constructing a steel pipe in the pile hole to form the temporary steel pipe pile; and processing the temporary steel pipe pile to recover the river channel corresponding to the shallow water area. According to the invention, piling operation is performed by utilizing the water movable working platform, so that the construction period is shortened, the movement is convenient, the pile position is positioned more quickly, and compared with the traditional water pile foundation construction, the working procedures of cofferdam water pumping and the like are reduced.
Description
Technical Field
The invention relates to the technical field of construction of pile foundations on water, in particular to a construction method of a temporary steel pipe pile in a shallow water area.
Background
In the related art, when the water pile foundation is constructed, cofferdam pumping treatment is needed, and a working surface is provided for a pile driver so that the pile driver can be used for constructing the water pile foundation.
However, in the method of pumping water in the cofferdam to construct an on-water pile foundation, the moving procedure of the pile driver is complicated, so that the construction period is long and the construction efficiency is low.
Disclosure of Invention
The main purpose of the invention is that: the utility model provides a shallow water area temporary steel pipe pile construction method, aims at solving the cofferdam and draws water in order to apply the mode of pile foundation on water among the prior art, and the removal process of pile driver is loaded down with trivial details, leads to the construction cycle long, technical problem that the efficiency of construction is low.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention provides a construction method of a temporary steel pipe pile in a shallow water area, which comprises the following steps:
hoisting a plurality of buoyancy tanks to the water surface to form independent boat bodies;
assembling the boat bodies to form an integral structure so as to form a main body platform, and installing a power system on the main body platform;
and moving a crawler pile driver to the main body platform to form the water moving working platform;
the power system is utilized to move the water movable working platform to a preset pile position, and the crawler pile driver is utilized to pile the preset pile position so as to form pile holes on the river bed ground of the shallow water area;
applying a steel pipe in the pile hole to form the temporary steel pipe pile;
and processing the temporary steel pipe pile to recover the river channel corresponding to the shallow water area.
Optionally, in the shallow water area temporary steel pipe pile construction method, each buoyancy tank is provided with a bollard, and a fixed pile is arranged on a corresponding shore of the water surface;
the step of hoisting the plurality of buoyancy tanks to the water surface to form each independent boat body comprises the following steps:
after each buoyancy tank is hoisted to the water surface, one end of a mooring rope is connected with the bollard, and the other end of the mooring rope is connected with the fixed pile to form each independent boat body.
Optionally, in the shallow water area temporary steel pipe pile construction method, the step of assembling each boat body to form an integral structure to form a main body platform, and installing a power system on the main body platform comprises the following steps:
the power system is arranged on the main body platform and is used for driving the main body platform to move on the water surface;
and installing a deck on the main body platform, and installing the bollard, the cable guide, the manual anchor machine, the switch blade chain stopper, the anchor and the anchor chain on the deck.
Optionally, in the shallow water area temporary steel pipe pile construction method, the step of moving the crawler pile driver to the main body platform to form the water moving working platform includes:
setting a concrete precast block on the water movable working platform to form a temporary ship anchor;
temporarily fixing the main body platform by using the temporary ship anchor;
and moving the crawler pile driver to the main body platform by utilizing a jump plate beam so as to form the water moving working platform.
Optionally, in the shallow water area temporary steel pipe pile construction method, the step of moving the water moving working platform to a preset pile position by using the power system and piling the preset pile position by using the crawler pile driver to form a pile hole on the river bed ground of the shallow water area includes:
removing the temporary ship anchor, and moving the water moving working platform to the preset pile position by using the power system;
releasing the temporary ship anchor and temporarily fixing the water mobile working platform;
piling the preset pile position by using the crawler pile driver so as to form the pile hole on the river bed ground of the shallow water area.
Optionally, in the shallow water area temporary steel pipe pile construction method, the step of constructing a steel pipe in the pile hole to form the temporary steel pipe pile includes:
placing the steel pipe into the pile hole;
pouring concrete into the steel pipe until the top surface of the concrete in the steel pipe is flush with the river bed ground where the pile hole is positioned;
performing pile casing and wall protection on the pile hole, and extracting accumulated water in the pile casing;
pouring concrete into the pile casing;
and removing the protective cylinder after the concrete in the protective cylinder is solidified to form a sealing body.
Optionally, in the shallow water area temporary steel pipe pile construction method, the size of the steel pipe is phi 630mm, and the size of the pile casing is phi 1800mm.
Optionally, in the shallow water area temporary steel pipe pile construction method, the step of processing the temporary steel pipe pile to recover a river channel corresponding to the shallow water area includes:
machining a steel sleeve box, and moving the steel sleeve box to the position of the temporary steel pipe pile;
measuring, positioning and sinking the processing steel sleeve box;
extracting accumulated water in the steel sleeve box;
judging whether the top end of the steel pipe exceeds the ground of the river bed;
if not, paving a durable layer on the river bed ground so as to recover the river channel corresponding to the shallow water area.
Optionally, in the shallow water area temporary steel pipe pile construction method, the step of judging whether the top end of the steel pipe exceeds the river bed ground comprises the following steps:
if so, cutting off the steel pipe above the riverbed ground so that the top end of the steel pipe is flush with the riverbed ground.
Optionally, in the shallow water area temporary steel pipe pile construction method, if not, paving a durable layer on the surface of the river bed to recover the river channel corresponding to the shallow water area, wherein the step of recovering the river channel comprises the following steps:
paving a base layer on the river bed ground;
fully paving a reinforcing mesh on the base layer;
and pouring concrete on the reinforced net to form the durable layer so as to recover the river channel corresponding to the shallow water area.
The one or more technical schemes provided by the invention can have the following advantages or at least realize the following technical effects:
according to the construction method for the temporary steel pipe pile in the shallow water area, piling operation is carried out by utilizing the water-based movable working platform, the working procedure is simple, the construction period is greatly shortened, the movement is more convenient, the pile position is positioned more quickly, compared with the traditional water pile foundation construction, the working procedures of cofferdam water pumping and the like are reduced, and after the temporary steel pipe pile is used, the temporary steel pipe pile is removed, so that the pollution and damage to a water source are reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are required 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 may be obtained from the drawings provided without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for constructing a temporary steel pipe pile in a shallow water area according to the present invention;
FIG. 2 is a schematic view of the structure of the buoyancy tank according to the present invention;
FIG. 3 is a schematic structural view of a main platform according to the present invention;
FIG. 4 is a schematic view of a locking member according to the present invention;
FIG. 5 is a schematic diagram of a stud hook according to the present invention;
fig. 6 is a schematic structural diagram of the water mobile working platform according to the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the |
| 100 | Floating |
110 | |
| 120 | |
130 | |
| 140 | |
101 | |
| 200 | |
210 | |
| 300 | |
310 | |
| 320 | Screw part | 400 | |
| 500 | |
600 | |
| 700 | |
800 | |
| 900 | Electric hoist |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments 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, but not all embodiments of the present invention. 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, are intended to be within the scope of the invention.
It should be noted that, in the embodiment of the present invention, all directional indications (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously.
In the present invention, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be either a fixed connection or a removable connection or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; the communication between the two elements can be realized, or the interaction relationship between the two elements can be realized.
In the present invention, if there is a description referring to "first", "second", etc., the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In the present invention, suffixes such as "module", "assembly", "piece", "part" or "unit" used for representing elements are used only for facilitating the description of the present invention, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.
The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances. In addition, the technical solutions of the embodiments may be combined with each other, but it is based on the fact that those skilled in the art can implement the combination of the technical solutions, when the technical solutions contradict each other or cannot be implemented, the combination of the technical solutions should be considered as not existing and not falling within the protection scope of the present invention.
The inventive concept of the present invention is further elucidated below in connection with some embodiments.
The invention provides a construction method of a temporary steel pipe pile in a shallow water area.
Referring to fig. 1, 2, 3, 4, 5 and 6, fig. 1 is a schematic flow chart of a method for constructing a temporary steel pipe pile in a shallow water area according to the present invention; FIG. 2 is a schematic view of the structure of the buoyancy tank according to the present invention; FIG. 3 is a schematic structural view of a main platform according to the present invention; FIG. 4 is a schematic view of a locking member according to the present invention; FIG. 5 is a schematic diagram of a stud hook according to the present invention; fig. 6 is a schematic structural diagram of the water mobile working platform according to the present invention.
In an embodiment of the present invention, as shown in fig. 1, 2, 3, 4, 5 and 6, a method for constructing a temporary steel pipe pile in a shallow water region includes the following steps:
step S100: hoisting a plurality of buoyancy tanks to the water surface to form independent boat bodies;
step S200: assembling the boat bodies to form an integral structure so as to form a main body platform, and installing a power system on the main body platform;
step S300: and moving a crawler pile driver to the main body platform to form the water moving working platform;
step S400: the power system is utilized to move the water movable working platform to a preset pile position, and the crawler pile driver is utilized to pile the preset pile position so as to form pile holes on the river bed ground of the shallow water area;
step S500: applying a steel pipe in the pile hole to form the temporary steel pipe pile;
step S600: and processing the temporary steel pipe pile to recover the river channel corresponding to the shallow water area.
For ease of understanding, one embodiment is shown below:
the utility model provides a water mobile working platform, including main part platform 101, driving system and reduction gear, driving system is connected and installs in main part platform 101 with reducing gear, driving system is in order to be used for driving main part platform 101 and remove, main part platform 101 includes buoyancy tank 100 and retaining member 200, the quantity of buoyancy tank 100 is a plurality of, the quantity of retaining member 200 is a plurality of, be provided with front fixed orifices 110 and back fixed orifices 120 respectively around each buoyancy tank 100, retaining member 200's one end detachably installs in one buoyancy tank 100's front fixed orifices 110, retaining member 200's the other end detachably installs in the back fixed orifices 120 of another buoyancy tank 100 that is adjacent.
Determining the initial area of the preset area of the water construction working surface according to the current area of the water surface, determining the use quantity of the buoyancy tanks 100 according to the initial area of the preset area, sequentially hoisting the buoyancy tanks 100 to drain according to the use quantity of the buoyancy tanks 100 to form independent boat bodies, aligning the side strings of two adjacent boat bodies, aligning the front fixing holes 110 and the rear fixing holes 120 of the two adjacent buoyancy tanks 100, simultaneously flattening the gunwales of the two adjacent boat bodies by using a boat splicing device, aligning the locking pieces 200, pulling out the bolts 210 of the locking pieces, uniformly tightening the two adjacent boat bodies to form a straight line, sequentially connecting the rest buoyancy tanks 100 according to the method until all connection is completed, and installing a power system and a reduction gearbox on the combined buoyancy tank 100 again after the connection is completed, at this time, operators can move on the combined buoyancy tanks 100 through the power system and the reduction gear box to build bridges at required positions, meanwhile, the buoyancy tanks 100 can be added or disassembled according to different water surface sizes and construction requirements, so that the water moving working platforms can be suitable for different construction environments, the water moving working platforms do not need to be independently customized in different construction environments, the boat-splicing devices are used for flattening the gunwales of two adjacent boat bodies, so that the gunwales of the boat bodies are positioned on the same horizontal plane, the flatness of the water construction operation surface is ensured, the safety of the water construction operation is improved, and front fixing holes 110 and rear fixing holes 120 are respectively formed on the two opposite longitudinal sides of each buoyancy tank 100, namely, the front side and the rear side of the buoyancy tank 100; the steps of assembling the boat bodies to form a unitary structure to form the main body platform 101 include: one end of the locking member 200 is detachably installed to the front fixing hole 110 of any one buoyancy tank 100 of the two buoyancy tanks 100 adjacent in the longitudinal direction; the other end of the locking member 200 is detachably mounted to the rear fixing hole 120 of the other buoyancy tank 100 of the two buoyancy tanks 100 adjacent in the longitudinal direction to assemble the two buoyancy tanks 100 adjacent in the longitudinal direction into an integral structure. The quantity of preceding fixed orifices 110 is a plurality of, and the quantity of back fixed orifices 120 is a plurality of, and the direction is horizontal interval setting about the direction in the edge of a plurality of preceding fixed orifices 110, and a plurality of back fixed orifices 120 are along controlling the direction interval setting, and a plurality of preceding fixed orifices 110 and a plurality of back fixed orifices 120 quantity are equal and the one-to-one setting, and every buoyancy tank 100 group sets up a plurality of preceding fixed orifices 110 and a plurality of back fixed orifices 120, and rethread a plurality of retaining members 200 lock adjacent buoyancy tank 100, set up this structure and can further improve the connection fastness between the adjacent buoyancy tank 100. The locker 200 is provided with a body, and the body is further provided with a latch 210, and the latch 210 serves to block the body from entering the front fixing hole 110 or the rear fixing hole 120. The locking member 200 is provided with a body, the body is further provided with a latch 210, the latch 210 is used for blocking the body from entering the front fixing hole 110 or the rear fixing hole 120, when two adjacent buoyancy tanks 100 are not aligned, the locking member 200 cannot enter the front fixing hole 110 or the rear fixing hole 120, only after the alignment is confirmed, the latch 210 is pulled out, the locking member 200 can enter the front fixing hole 110 or the rear fixing hole 120 to lock two ends, the embodiment has the advantage of protecting the front fixing hole 110 or the rear fixing hole 120 from being damaged by the locking member 200, and the first locking hole 130 and the second locking hole 140 are respectively formed on two opposite lateral sides of each buoyancy tank 100; the steps of assembling the boat bodies to form a unitary structure to form the main body platform 101 include: one end of the stud hook 300 is detachably mounted to the first locking hole 130 of any one buoyancy tank 100 of the two transversely adjacent buoyancy tanks 100; the other end of the stud hook 300 is detachably mounted to the second locking hole 140 of the other buoyancy tank 100 of the laterally adjacent buoyancy tanks 100 to assemble the laterally adjacent buoyancy tanks 100 into an integral structure. The water movable working platform further comprises a plurality of stud hooks 300, the number of the stud hooks 300 is multiple, the first locking holes 130 and the second locking holes 140 are formed in the left side and the right side of the buoyancy tank 100, the first locking holes 130 and the second locking holes 140 are symmetrically formed, one end of each stud hook 300 is installed on the first locking hole 130 of the buoyancy tank 100, the other end of each stud hook 300 is installed on the second locking hole 140 of the adjacent buoyancy tank 100, the buoyancy tank 100 is turned 180 degrees to enable the first locking holes 130 to be aligned with the second locking holes 140 after being drained, and the two ends of each stud hook 300 are installed on the first locking holes 130 and the second locking holes 140 respectively. The stud hook 300 includes a stud, and a threaded portion 320 and a stud hook head 310 disposed at two ends of the stud, the first locking hole 130 is provided with threads, the threaded portion 320 is mounted on the threads, and the stud hook head 310 is clamped in the second locking hole 140. The threaded portion 320 of the stud hook 300 is installed into the first locking hole 130, the two buoyancy tanks 100 are close to each other, the buoyancy tank 100 on the right side is left, the stud hook head 310 enters the left side of the second locking hole 140 of the other buoyancy tank 100, after the two buoyancy tanks 100 are aligned, the stud hook head 310 slides into the right side of the buckle plate to be buckled, at the moment, the stud hook head 310 is completely clamped into the second locking hole 140 by covering the half second locking hole 140 through angle steel, and the two buoyancy tanks are transversely connected, so that the buoyancy tanks 100 can be added or detached on the transverse water surface through the arrangement, and the disassembly and the installation operations are convenient. The method comprises the steps of forming a water movable working platform by utilizing a plurality of buoyancy tanks 100, determining the initial area of a water construction working surface according to the current area of the water surface, determining the use quantity of the buoyancy tanks 100 according to the initial area, sequentially hoisting the plurality of buoyancy tanks 100 to be in water according to the use quantity of the buoyancy tanks 100 to form independent boat bodies, aligning the side chords of the two adjacent buoyancy tanks 100, aligning the front fixing holes 110 and the rear fixing holes 120 of the two adjacent buoyancy tanks 100, simultaneously flattening the sponsons of the two adjacent buoyancy tanks by using a boat splicing device, aligning the locking pieces 200, pulling out the bolts 210 of the locking pieces, uniformly tightening the locking pieces, enabling the two adjacent buoyancy tanks to form a straight line, sequentially connecting all the buoyancy tanks 100 according to the method until all the connection is completed, moving a power system and a reduction gearbox on the combined buoyancy tank 100 after the connection is completed, moving the power system and the reduction gearbox to a required position for building a bridge, simultaneously, and customizing the construction environment of the bridge according to the different water surface sizes and the requirements, and the construction environment requirements of the water construction working platform can be further customized.
After the crawler pile driver is moved to the main body platform, a water moving working platform is formed, the power system is utilized to move the water moving working platform to a preset pile position, the crawler pile driver is utilized to pile the preset pile position, so that pile holes are formed in the river bed ground of the shallow water area, and steel pipes are arranged in the pile holes to form the temporary steel pipe piles.
According to the technical scheme, piling operation is performed by utilizing the water movable working platform, the working procedure is simple, the construction period is greatly shortened, the movement is more convenient, the pile position is positioned more quickly, compared with the traditional water pile foundation construction, the working procedures of cofferdam water pumping and the like are reduced, and after the temporary steel pipe pile is used, the temporary steel pipe pile is removed, so that the pollution and damage to a water source are reduced.
In one embodiment, each buoyancy tank is provided with a bollard, and a fixed pile is arranged on the corresponding shore of the water surface;
the step of hoisting the plurality of buoyancy tanks to the water surface to form each independent boat body comprises the following steps:
step S110: after each buoyancy tank is hoisted to the water surface, one end of a mooring rope is connected with the bollard, and the other end of the mooring rope is connected with the fixed pile to form each independent boat body.
The water mobile working platform further comprises a deck and cables, the deck is provided with bollards, the bollards are mounted on the buoyancy tanks 100, one ends of the cables are connected with the buoyancy tanks 100, the other ends of the cables are used for being connected with shore fixing piles, the buoyancy tanks 100 are sequentially hoisted to be in water, and each buoyancy tank 100 is connected with the corresponding bollard through one end of each cable, and the other ends of the cables are connected with the shore fixing piles so as to prevent the buoyancy tanks 100 from being washed away by water flow.
In one embodiment, the steps of assembling each of the boat bodies to form a unitary structure to form a main body platform and mounting a power system on the main body platform include:
step S210: the power system is arranged on the main body platform and is used for driving the main body platform to move on the water surface;
step S220: and installing a deck on the main body platform, and installing the bollard, the cable guide, the manual anchor machine, the switch blade chain stopper, the anchor and the anchor chain on the deck.
The current area is increased or decreased to be the target area; judging whether the initial area is matched with the target area; if not, the number of uses of the buoyancy tank 100 is increased or decreased to increase or decrease the initial area to an actual use area that matches the target area.
Specifically, the buoyancy tanks 100 can be increased or disassembled according to different water surface areas and areas of water construction working surfaces required by construction so as to adjust the number of the buoyancy tanks 100, change the size of the main body platform 101, enable the water movable working platform to be applicable to different construction environments, and avoid the need of independently customizing the water movable working platform in different construction environments. When the current area is reduced to the target area, dismantling the individual buoyancy tanks 100 on the main body platform 101 to reduce the top surface area of the main body platform 101, thereby reducing the initial area to an actual use area matched with the target area;
when the current area is increased to the target area, an additional buoyancy tank 100 is installed on the main body platform 101 to increase the top surface area of the main body platform 101, thereby increasing the initial area to an actual use area that matches the target area.
It should be noted that, when the buoyancy tank 100 is newly added or removed from the main platform 101, the stud hook 300 and the locking member 200 are adopted, and a specific operation manner thereof is described in the following embodiments corresponding to the stud hook 300 and the locking member 200, and a disassembly process of the buoyancy tank is a reverse implementation installation process.
The cable passes the roller cable guide and is connected with the buoyancy tank 100, the other end of cable is used for being connected with the fixed pile on the bank, through setting up the roller cable guide and be used for guiding the cable to pass through or change the direction, in order to protect the cable from wearing and tearing, the manpower anchor machine is installed in the buoyancy tank 100, the one end of anchor chain is connected with the manpower anchor machine, the other end of anchor chain is connected with the anchor, when the waterborne movable working platform moves to the construction position, through the manpower anchor machine to put the anchor, make the waterborne movable working platform stable make the operation of operating personnel safe, when needing the movable position, through the reverse rotation of the manpower anchor machine again receive the anchor, move the working platform on the movable water to another position, put the anchor again, the brake cable stopper is installed in the buoyancy tank 100, and be close to the setting of the manpower anchor machine, the brake cable stopper is used for pressing from both sides tight chain, the brake cable stopper is fixed near the anchor machine, press from both sides tight chain after receiving anchor and anchor in place, anchor stopper bearing the anchor and the pulling force of anchor chain when anchor is received on the anchor chain drive, make it not be transmitted to the sprocket.
In one embodiment, the step of moving the crawler pile driver to the main body platform to form the water mobile work platform comprises:
step S310: setting a concrete precast block on the water movable working platform to form a temporary ship anchor;
step S320: temporarily fixing the main body platform by using the temporary ship anchor;
step S330: and moving the crawler pile driver to the main body platform by utilizing a jump plate beam so as to form the water moving working platform.
As an option to this embodiment, the pallet beam 400 and the lifting device are mounted on the main body platform 101; wherein one end of the diving board beam 400 is hinged to the main body platform 101; the lifting device comprises a lifting hook 500, a lifting rod 600, a steel cable 800, a guide pulley block 700 and an electric hoist 900, wherein the lifting rod 600 of the buoyancy tank 100 and the electric hoist 900 are arranged on the main body platform 101, the guide pulley block 700 is arranged between the electric hoist 900 and the lifting rod 600, one end of the steel cable 800 is provided with the lifting hook 500, the other end of the steel cable 800 passes through the guide pulley block 700 and then is connected with the driving end of the electric hoist 900, the lifting hook 500 is used for being connected with one end of the springboard beam 400 far away from the buoyancy tank 100, after the springboard beam 400 reaches a construction position, the lifting device is used for adjusting the springboard beam 400 to the corresponding installation position in the construction design, and the electric hoist 900 is used for driving the steel cable 800 to rotate clockwise or slide anticlockwise in the guide pulley block 700 so as to drive the springboard beam 400 to rotate clockwise or anticlockwise around the hinge position of the electric hoist with the buoyancy tank 100, so that the springboard beam 400 rotates or reverses to a position suitable for operation, and thus the construction of a water building is facilitated.
As another option of this embodiment, each springboard beam is fabricated from 4I 30I-beams (or equal strength steel materials according to the site situation), and the springboard beam length is not preferably less than 9m (adjusted according to the dock situation). The two end surfaces of the section steel are welded at intervals, the ends are welded first, and then the middle part is equally divided. The process of the floating pontoon on the crawler pile driving device and the 46t crawler pile driver is carried out according to the following steps: and fixing the floating vessel through 4 temporary vessel anchors, and placing the processed jumping plate girder on the floating vessel with the length of not less than 5 m. The two ends of the springboard beam are stacked with sleepers or sand bags to form a slope. Under the unified command of the commander, the pile driver is slowly started. The pile driver opens the end of the upper springboard beam and advances slowly. Personnel at key parts such as temporary ship anchors strengthen the observation, the pile driver moves to the heavy core line of the floating body area of the standard box deck, and the crawler crane stops and brakes.
In an embodiment, the step of moving the water moving platform to a preset pile position by using the power system and piling the preset pile position by using the crawler pile driver to form a pile hole on the river bed ground of the shallow water area includes:
step S410: removing the temporary ship anchor, and moving the water moving working platform to the preset pile position by using the power system;
step S420: releasing the temporary ship anchor and temporarily fixing the water mobile working platform;
step S430: piling the preset pile position by using the crawler pile driver so as to form the pile hole on the river bed ground of the shallow water area.
The road is leveled and temporary ship anchors are buried. And (3) leveling site roads at the equipment transportation channel and the sewer wharf and properly hardening to ensure smooth sunny and rainy days and enough bearing capacity. Temporary ship anchors are buried at proper positions on the shore, the included angle between the temporary ship anchors and the buoyancy tank is controlled to be about 60 degrees during position selection, and the length of the steel wire rope is controlled to be within 50 m. The temporary ship anchor can be embedded with embedded parts by utilizing a gantry crane track foundation or a pushing platform foundation, so that the tensile capacity of the temporary ship anchor is ensured. And (5) treating the sewage at a wharf. And safety inspection is carried out on the dock wall, so that the bearing capacity and stability of the dock in the running process of the crawler excavator are ensured. Meanwhile, one to two layers of sleepers are placed at the end part (the upper end of the shore) of the springboard beam, so that the crawler crane can smoothly open the end part of the springboard beam. The jump plate beam is assembled and welded in advance according to the requirement, so that the quality is ensured to be qualified; before the track excavator runs, all anchor ropes must be fastened to ensure the stability of the floating body. And meanwhile, the key parts such as the temporary ship anchor tension and the lap joint length of the end part of the gangway beam on the shore are comprehensively checked.
In one embodiment, the step of applying a steel pipe in the pile hole to form the temporary steel pipe pile includes:
step S510: placing the steel pipe into the pile hole;
step S520: pouring concrete into the steel pipe until the top surface of the concrete in the steel pipe is flush with the river bed ground where the pile hole is positioned;
step S530: performing pile casing and wall protection on the pile hole, and extracting accumulated water in the pile casing;
step S540: pouring concrete into the pile casing;
step S550: and removing the protective cylinder after the concrete in the protective cylinder is solidified to form a sealing body.
After pile driving equipment enters the temporary platform, a pile driver is temporarily fixed, a floating pontoon is driven by self power equipment of the floating pontoon to enter a designed position, temporary ship anchors (concrete precast blocks) are arranged at four corners, the floating pontoon is temporarily fixed, pile driving depth is designed to be 25m according to the measurement point position by the pile driving, and hydraulic long augers are matched with the guide holes if necessary.
And after the steel pipe pile (phi 630 mm) is driven to the designed depth, sealing the inside of the steel pipe by adopting concrete, wherein the height of the concrete is level with the ground of the river bed. The retaining wall of the retaining cylinder (phi 1800 mm) is utilized to extract accumulated water in the retaining cylinder, then concrete is poured, and the retaining cylinder is pulled out after the concrete is solidified to form a sealing body so as to prevent the leakage of river water in the river channel.
In one embodiment, the steel tube has a dimension of phi 630mm and the casing has a dimension of phi 1800mm.
In an embodiment, the step of processing the temporary steel pipe pile to recover the river corresponding to the shallow water zone includes:
step S610: machining a steel sleeve box, and moving the steel sleeve box to the position of the temporary steel pipe pile;
step S620: measuring, positioning and sinking the processing steel sleeve box;
step S630: extracting accumulated water in the steel sleeve box;
step S640: judging whether the top end of the steel pipe exceeds the ground of the river bed;
step S650: if not, paving a durable layer on the river bed ground so as to recover the river channel corresponding to the shallow water area.
In one embodiment, the step of determining whether the top end of the steel pipe exceeds the riverbed ground comprises:
step S641: if so, cutting off the steel pipe above the riverbed ground so that the top end of the steel pipe is flush with the riverbed ground.
In an embodiment, if not, paving a durable layer on the river bed ground to restore the river channel corresponding to the shallow water area includes:
step S651: paving a base layer on the river bed ground;
step S652: fully paving a reinforcing mesh on the base layer;
step S653: and pouring concrete on the reinforced net to form the durable layer so as to recover the river channel corresponding to the shallow water area.
After the main engineering of the bridge is finished, the cable-stayed bridge system conversion is completed, and the bracket above the water surface is removed, so that the anti-seepage geotextile at the bottom of the river is prevented from being damaged in the piling process, and the service life is influenced. After the support above the water surface is dismantled, processing the steel sleeve box, transporting the steel sleeve box to a temporary steel pipe column position by adopting two pontoons, measuring, positioning and sinking, extracting river water in the steel sleeve box, manually cleaning sundries such as bottom silt, cutting off partial steel pipes above the bottom of a river bed, paving two cloths and a film, erecting ash cakes on the two cloths and the film, fully paving phi 8 steel bar meshes, keeping the distance between the steel bar meshes to be 150mm multiplied by 150mm, pouring C30 impervious concrete, after final setting, removing the sleeve box, recovering the passage of a river channel so as to reduce pollution and damage to a water source.
It should be noted that, the foregoing reference numerals of the embodiments of the present invention are only for describing the embodiments, and do not represent the advantages and disadvantages of the embodiments. The above embodiments are only optional embodiments of the present invention, and not limiting the scope of the present invention, and all equivalent structures or equivalent processes using the descriptions of the present invention and the accompanying drawings or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. The construction method of the temporary steel pipe pile in the shallow water area is characterized by comprising the following steps of:
hoisting a plurality of buoyancy tanks to the water surface to form independent boat bodies;
assembling the boat bodies to form an integral structure so as to form a main body platform, and installing a power system on the main body platform;
and moving a crawler pile driver to the main body platform to form the water moving working platform;
the power system is utilized to move the water movable working platform to a preset pile position, and the crawler pile driver is utilized to pile the preset pile position so as to form pile holes on the river bed ground of the shallow water area;
applying a steel pipe in the pile hole to form the temporary steel pipe pile;
and processing the temporary steel pipe pile to recover the river channel corresponding to the shallow water area.
2. The shallow water temporary steel pipe pile construction method according to claim 1, wherein each buoyancy tank is provided with a bollard, and a fixed pile is arranged on the corresponding shore of the water surface;
the step of hoisting the plurality of buoyancy tanks to the water surface to form each independent boat body comprises the following steps:
after each buoyancy tank is hoisted to the water surface, one end of a mooring rope is connected with the bollard, and the other end of the mooring rope is connected with the fixed pile to form each independent boat body.
3. The shallow water temporary steel pipe pile construction method according to claim 2, wherein the assembling each of the boat bodies into an integral structure to form a main body platform, and installing a power system on the main body platform comprises:
the power system is arranged on the main body platform and is used for driving the main body platform to move on the water surface;
and installing a deck on the main body platform, and installing the bollard, the cable guide, the manual anchor machine, the switch blade chain stopper, the anchor and the anchor chain on the deck.
4. A shallow water section temporary steel pipe pile construction method according to claim 3, wherein the step of moving the crawler pile driver to the main body platform to form the water moving work platform comprises:
setting a concrete precast block on the water movable working platform to form a temporary ship anchor;
temporarily fixing the main body platform by using the temporary ship anchor;
and moving the crawler pile driver to the main body platform by utilizing a jump plate beam so as to form the water moving working platform.
5. The shallow water temporary steel pipe pile construction method according to claim 4, wherein the moving the water moving work platform to a preset pile position using the power system and piling the preset pile position using the track pile driver to form a pile hole in a riverbed ground of the shallow water comprises:
removing the temporary ship anchor, and moving the water moving working platform to the preset pile position by using the power system;
releasing the temporary ship anchor and temporarily fixing the water mobile working platform;
piling the preset pile position by using the crawler pile driver so as to form the pile hole on the river bed ground of the shallow water area.
6. The shallow water temporary steel pipe pile construction method according to claim 5, wherein the step of constructing a steel pipe in the pile hole to form the temporary steel pipe pile comprises:
placing the steel pipe into the pile hole;
pouring concrete into the steel pipe until the top surface of the concrete in the steel pipe is flush with the river bed ground where the pile hole is positioned;
performing pile casing and wall protection on the pile hole, and extracting accumulated water in the pile casing;
pouring concrete into the pile casing;
and removing the protective cylinder after the concrete in the protective cylinder is solidified to form a sealing body.
7. The shallow water temporary steel pipe pile construction method according to claim 5, wherein the steel pipe has a dimension of phi 630mm and the casing has a dimension of phi 1800mm.
8. The shallow water section temporary steel pipe pile construction method according to claim 5, wherein the step of processing the temporary steel pipe pile to restore a river channel corresponding to the shallow water section comprises:
machining a steel sleeve box, and moving the steel sleeve box to the position of the temporary steel pipe pile;
measuring, positioning and sinking the processing steel sleeve box;
extracting accumulated water in the steel sleeve box;
judging whether the top end of the steel pipe exceeds the ground of the river bed;
if not, paving a durable layer on the river bed ground so as to recover the river channel corresponding to the shallow water area.
9. The shallow water temporary steel pipe pile construction method according to claim 8, wherein the step of judging whether the top end of the steel pipe exceeds the riverbed ground comprises:
if so, cutting off the steel pipe above the riverbed ground so that the top end of the steel pipe is flush with the riverbed ground.
10. The shallow water section temporary steel pipe pile construction method according to claim 9, wherein if not, the step of laying a durable layer on the riverbed ground to restore the riverway corresponding to the shallow water section comprises:
paving a base layer on the river bed ground;
fully paving a reinforcing mesh on the base layer;
and pouring concrete on the reinforced net to form the durable layer so as to recover the river channel corresponding to the shallow water area.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310221874.9A CN116378041A (en) | 2023-03-08 | 2023-03-08 | Construction method of temporary steel pipe pile in shallow water area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310221874.9A CN116378041A (en) | 2023-03-08 | 2023-03-08 | Construction method of temporary steel pipe pile in shallow water area |
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| CN202310221874.9A Pending CN116378041A (en) | 2023-03-08 | 2023-03-08 | Construction method of temporary steel pipe pile in shallow water area |
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