CN109505245B - Construction method of shallow-covering-layer anchor pile type construction channel in ocean deep water area - Google Patents
Construction method of shallow-covering-layer anchor pile type construction channel in ocean deep water area Download PDFInfo
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- CN109505245B CN109505245B CN201811143308.6A CN201811143308A CN109505245B CN 109505245 B CN109505245 B CN 109505245B CN 201811143308 A CN201811143308 A CN 201811143308A CN 109505245 B CN109505245 B CN 109505245B
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- steel pipe
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- anchor pile
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- 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
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
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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
- 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
- E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
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- Engineering & Computer Science (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
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Abstract
The invention discloses a construction method of a shallow overburden anchor pile type construction channel in an ocean deep water area, which comprises the following steps: s1, inserting anchor pile steel pipe piles into the water bottom at two sides of the temporary trestle, and fixedly connecting the anchor pile steel pipe piles with the steel pipe piles of the temporary trestle; s2, drilling holes in the anchor pile steel pipe piles, placing a reinforcement cage in the holes, and pouring concrete to enable the concrete steel pipe anchor piles and the temporary trestle to jointly form a construction channel so as to facilitate construction. The construction method is simple and practical, and the construction channel can be built under the conditions that the steel pipe pile without a covering layer or a shallow covering layer cannot meet the stress requirement and the like.
Description
Technical Field
The invention relates to the field of construction channels. More particularly, the invention relates to a construction method of a shallow overburden anchor pile type construction channel in an ocean deep water area.
Background
In the bridge construction, a steel trestle is generally adopted to form a construction channel at a water middle pier position, a steel pipe pile is driven into soil to form a foundation structure, and a Bailey sheet and a distribution beam are paved on the foundation structure to serve as channels. The covering layer of the common water area is sand, soil or silt, and the steel pipe pile can easily enter the covering layer to form a stable structure. If the steel pipe pile cannot enter a geological soil layer in a water area without a covering layer or a shallow covering layer, the steel trestle cannot form a construction channel.
Disclosure of Invention
The invention provides a construction method of a shallow covering layer anchor pile type construction channel in an ocean deep water area, which can be applied to construction in a water area without a covering layer or a shallow covering layer to form a construction channel.
In order to achieve the purpose, the invention provides a construction method of a shallow covering layer anchor pile type construction channel in an ocean deep water area, which comprises the following steps:
s1, inserting anchor pile steel pipe piles into the water bottom at two sides of the temporary trestle, and fixedly connecting the anchor pile steel pipe piles with the steel pipe piles of the temporary trestle;
s2, drilling holes in the anchor pile steel pipe piles, placing a reinforcement cage in the holes, and pouring concrete to enable the concrete steel pipe anchor piles and the temporary trestle to jointly form a construction channel so as to facilitate construction.
Preferably, the method for constructing a channel in the form of an anchor pile for a shallow overburden layer in a deep sea area further includes, before step S1:
and S0, erecting the steel pipe piles in the construction water area to form a temporary trestle.
Preferably, the construction method of the channel in the anchor pile form of the shallow covering layer of the ocean deep water area comprises the following steps:
the outer circumference of the steel pipe main body is horizontally and annularly provided with an annular bottom plate for bearing and fixing the hydraulic rod; the top end of the steel pipe main body is hinged with a plurality of limiting blocks outwards;
the hydraulic rods are fixed on the annular bottom plate at intervals, and the telescopic ends of the hydraulic rods are fixed on the same limiting ring at the same time;
when the limiting blocks freely fall to the outer side of the steel pipe main body, the limiting rings are clamped between the steel pipe main body and the limiting blocks;
the limiting ring realizes up-and-down reciprocating motion along with synchronous extension of the plurality of hydraulic rods, so that the plurality of limiting blocks are driven to rotate along the hinged part at the top end of the steel pipe main body, all the limiting blocks form an annular structure together, and the steel reinforcement cage to be placed is subjected to preliminary guiding and limiting;
the bottom of the steel pipe main body extends outwards in the same direction to form a plurality of insertion plates, the insertion plates are in a cambered triangular shape, and the thickness of each insertion plate is gradually reduced along the direction far away from the steel pipe main body;
the steel pipe main body is provided with a plurality of parallel slide rails along the height direction; the annular bottom plate slides up and down along the slide rail under the action of external steel wire rope tension, and can be temporarily fixed under the action of the steel wire rope tension.
Preferably, in the construction method of the marine deep water area shallow covering layer anchor pile type construction channel, the steel pipe main body is internally sleeved with a limiting buffer device which comprises a middle sleeve and side sleeves spliced at two ends of the middle sleeve, and one ends of the two side sleeves, which are far away from the middle sleeve, are fixedly connected to two ends of the steel pipe main body respectively; the side sleeve is in arc transition and is in a trumpet shape; and the middle sleeve, the side sleeves and the inner side wall of the steel pipe main body are connected through springs.
Preferably, the construction method of the marine deep water region shallow covering layer anchor pile type construction channel further comprises:
and the controller controls all the hydraulic rods to synchronously lift.
Preferably, in the construction method of the marine deep water area shallow covering layer anchor pile type construction channel, in step S2, a reinforcement cage is placed in an anchor pile steel pipe pile, and the concrete operations are as follows:
1) hoisting the reinforcement cage;
2) the controller controls all the hydraulic rods to extend synchronously so as to push the limiting rings to preset positions, so that all the limiting blocks are synchronously jacked and clamped and temporarily fixed, all the limiting blocks form an annular structure together at the moment, and the preliminary guiding and limiting function is performed on the reinforcement cage to be placed;
3) adjusting the reinforcement cage to a proper position, then lowering the reinforcement cage until the reinforcement cage is lowered to a limiting block to form an annular structure together; and continuing to transfer the steel reinforcement cage into a limiting buffer device of the steel tube main body until the steel reinforcement cage is completely changed and transferred.
Preferably, the construction method of the marine deep water area shallow covering layer anchor pile type construction channel is characterized in that a smooth coating is coated on the surface of the limit ring.
Preferably, according to the construction method of the marine deep water area shallow covering layer anchor pile type construction channel, when the limiting ring is pushed to the preset position, the limiting ring is in contact with all limiting blocks, the limiting blocks are fixed temporarily, and the parts of the limiting ring, which are in contact with the limiting blocks, are recessed downwards to form grooves so as to limit and clamp the limiting blocks, so that the limiting blocks move upwards under the pushing of the limiting rings more smoothly.
Preferably, the construction method of the channel in the ocean deep water area shallow covering layer anchor pile form comprises the steps that the spring comprises a cylindrical central spring positioned in the middle and an outer spring sleeved outside the central spring, and the two ends of the outer spring are large and the middle of the outer spring is small.
The invention at least comprises the following beneficial effects: the construction method is simple and practical, and the construction channel can be built under the conditions that the steel pipe pile without a covering layer or a shallow covering layer cannot meet the stress requirement and the like.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of the first step in example 1;
FIG. 2 is a schematic view of the second step in example 1;
FIG. 3 is a schematic view of the third step in example 1;
FIG. 4 is a schematic view of the construction in the fourth step in example 1;
fig. 5 is a schematic structural view of the anchor pile steel pipe pile of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, firstly, sinking a trestle steel pipe 1 to complete the upper structure;
as shown in fig. 2, in the second step, the pile casing 2 is sunk and temporarily fixed on the panel by a guy cable;
in a third step, as shown in fig. 3, the drilling rig 3 drills to 7 meters below the river bed;
as shown in fig. 4, the fourth step, the drilling machine is withdrawn, and the steel casing is sunk above the gravel surface;
a reinforcement cage 4 is placed downwards, and the length of the cage is 7 mm;
placing the guide pipe downwards, and pouring underwater concrete; the concrete steel pipe anchor pile and the temporary trestle form a construction channel together, so that construction is facilitated.
Example 2
The invention provides a construction method of a shallow covering layer anchor pile type construction channel in an ocean deep water area, which comprises the following steps:
and S0, erecting the steel pipe piles in the construction water area to form a temporary trestle.
S1, inserting anchor pile steel pipe piles into the water bottom at two sides of the temporary trestle 1, and fixedly connecting the anchor pile steel pipe piles with the steel pipe piles of the temporary trestle;
s2, drilling holes in the anchor pile steel pipe piles, placing a reinforcement cage in the holes, and pouring concrete to enable the concrete steel pipe anchor piles and the temporary trestle to jointly form a construction channel so as to facilitate construction.
In another embodiment, as shown in fig. 5, the method for constructing a channel in the form of an anchor pile for a shallow covering layer in an ocean deep water region includes: the steel pipe comprises a steel pipe body 6, wherein the outer circumference of the steel pipe body is horizontally and annularly provided with an annular bottom plate 7 for bearing and fixing a hydraulic rod 8; the top end of the steel pipe main body 6 is hinged with a plurality of limiting blocks 9 outwards; the hydraulic rods 8 are fixed on the annular bottom plate 7 at intervals, and the telescopic ends of the hydraulic rods are simultaneously fixed on the same limiting ring 10; when the limiting blocks 9 freely fall on the outer side of the steel pipe main body 6, the limiting rings 10 are clamped between the steel pipe main body 6 and the limiting blocks 9; the limiting ring 10 can realize vertical reciprocating motion along with synchronous extension of the plurality of hydraulic rods 8, so that the plurality of limiting blocks 9 are driven to rotate along the hinged position of the top end of the steel pipe main body 6, all the limiting blocks 9 form an annular structure together, and preliminary guiding and limiting are carried out on a reinforcement cage to be placed; the bottom of the steel pipe main body 6 extends outwards in the same direction to form a plurality of insertion plates 11, the insertion plates 11 are in a cambered triangular shape, and the thickness of the insertion plates 11 is gradually reduced along the direction far away from the steel pipe main body 6; the steel pipe main body 5 is provided with a plurality of parallel slide rails along the height direction; the annular bottom plate slides up and down along the slide rail under the action of external steel wire rope tension, and can be temporarily fixed under the action of the steel wire rope tension. And the controller controls all the hydraulic rods to synchronously lift.
In actual construction, when a reinforcement cage needs to be placed down, firstly 1) hoisting the reinforcement cage; 2) the controller controls all the hydraulic rods to extend synchronously so as to push the limiting rings to preset positions, so that all the limiting blocks are synchronously jacked and clamped and temporarily fixed, all the limiting blocks form an annular structure together at the moment, and the preliminary guiding and limiting function is performed on the reinforcement cage to be placed; 3) adjusting the reinforcement cage to a proper position, then lowering the reinforcement cage until the reinforcement cage is lowered to a limiting block to form an annular structure together; and continuing to transfer the steel reinforcement cage into a limiting buffer device of the steel tube main body until the steel reinforcement cage is completely changed and transferred.
In another embodiment, in the construction method of the marine deep water area shallow covering layer anchor pile type construction channel, as shown in fig. 5, a limiting and buffering device is sleeved in the steel pipe main body, and includes a middle sleeve 12 and side sleeves 13 spliced at two ends of the middle sleeve, and one ends of the two side sleeves 13 far away from the middle sleeve are respectively and fixedly connected to two ends of the steel pipe main body 6; the side sleeve 13 is in arc transition and is in a trumpet shape; and the middle sleeve 12, the side sleeve 13 and the inner side wall of the steel pipe main body 6 are connected through a spring 14. The spring 14 comprises a cylindrical central spring positioned in the middle and an outer spring sleeved outside the central spring, wherein the two ends of the outer spring are large and the middle of the outer spring is small. Here, the side sleeve 13 is in a trumpet-shaped arc transition, so that the reinforcement cage can be gradually guided and gradually transited to further ensure that the reinforcement cage is placed downwards; and set up the spring between middle sleeve 12 and the steel pipe main part 6, can guarantee that the steel reinforcement cage transfers the process and prevent that it from rocking and lead to the fact the harm to the steel protects a section of thick bamboo.
In another embodiment, the construction method of the channel in the form of the anchor pile of the shallow covering layer of the ocean deep water area comprises the step of coating a smooth coating on the surface of the limit ring.
In another embodiment, according to the construction method of the anchor pile type construction channel of the shallow covering layer of the ocean deep water area, when the limiting ring is pushed to the preset position, the limiting ring is in contact with all limiting blocks, the limiting blocks are temporarily fixed, and the parts of the limiting ring, which are in contact with the limiting blocks, are recessed downwards to form grooves so as to limit and clamp the limiting blocks, so that the limiting blocks move upwards under the pushing action of the limiting rings more smoothly.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. A construction method of a shallow covering layer anchor pile type construction channel in an ocean deep water area is characterized by comprising the following steps:
s1, inserting anchor pile steel pipe piles into the water bottom at two sides of the temporary trestle, and fixedly connecting the anchor pile steel pipe piles with the steel pipe piles of the temporary trestle;
s2, drilling a hole in the anchor pile steel pipe pile, placing a reinforcement cage in the hole, and pouring concrete to enable the concrete steel pipe anchor pile and the temporary trestle to form a construction channel together so as to facilitate construction;
before step S1, the method further includes:
s0, erecting steel pipe piles in a construction water area to form a temporary trestle;
the anchor pile steel pipe pile includes:
the outer circumference of the steel pipe main body is horizontally and annularly provided with an annular bottom plate for bearing and fixing the hydraulic rod; the top end of the steel pipe main body is hinged with a plurality of limiting blocks outwards;
the hydraulic rods are fixed on the annular bottom plate at intervals, and the telescopic ends of the hydraulic rods are fixed on the same limiting ring at the same time;
when the limiting blocks freely fall to the outer side of the steel pipe main body, the limiting rings are clamped between the steel pipe main body and the limiting blocks;
the limiting ring realizes up-and-down reciprocating motion along with synchronous extension of the plurality of hydraulic rods, so that the plurality of limiting blocks are driven to rotate along the hinged part at the top end of the steel pipe main body, all the limiting blocks form an annular structure together, and the steel reinforcement cage to be placed is subjected to preliminary guiding and limiting;
the bottom of the steel pipe main body extends outwards in the same direction to form a plurality of insertion plates, the insertion plates are in a cambered triangular shape, and the thickness of each insertion plate is gradually reduced along the direction far away from the steel pipe main body;
the steel pipe main body is provided with a plurality of parallel slide rails along the height direction; the annular bottom plate slides up and down along the slide rail under the action of external steel wire rope tension, and can be temporarily fixed under the action of the steel wire rope tension.
2. The construction method of the anchor pile type construction channel of the shallow covering layer of the ocean deep water area as claimed in claim 1, wherein the steel pipe main body is internally sleeved with a limiting and buffering device which comprises a middle sleeve and side sleeves spliced at two ends of the middle sleeve, and one ends of the two side sleeves far away from the middle sleeve are respectively and fixedly connected to two ends of the steel pipe main body; the side sleeve is in arc transition and is in a trumpet shape; and the middle sleeve, the side sleeves and the inner side wall of the steel pipe main body are connected through springs.
3. The method for constructing a construction passage in the form of an anchor pile for a shallow overburden of a marine deep water as recited in claim 2, further comprising:
and the controller controls all the hydraulic rods to synchronously lift.
4. The method for constructing the anchor pile-type construction passage of the shallow covering layer in the ocean deep water region as claimed in claim 3, wherein in the step S2, a reinforcement cage is put into the anchor pile steel pipe pile, and the concrete operations are as follows:
1) hoisting the reinforcement cage;
2) the controller controls all the hydraulic rods to extend synchronously so as to push the limiting rings to preset positions, so that all the limiting blocks are synchronously jacked and clamped and temporarily fixed, all the limiting blocks form an annular structure together at the moment, and the preliminary guiding and limiting function is performed on the reinforcement cage to be placed;
3) adjusting the reinforcement cage to a proper position, then lowering the reinforcement cage until the reinforcement cage is lowered to a limiting block to form an annular structure together; and continuing to transfer the steel reinforcement cage into a limiting buffer device of the steel tube main body until the whole steel reinforcement cage transferring process is completed.
5. The method for constructing a construction passage in the form of an anchor pile for a shallow overburden of a marine deepwater as claimed in claim 1, wherein a surface of said retainer ring is coated with a smooth coating.
6. The method according to claim 4, wherein when the stop ring is pushed to a predetermined position, the stop ring is in contact with all the stop blocks and temporarily fixes the stop blocks, and the portions of the stop ring contacting the stop blocks are recessed downward to form grooves for limiting and clamping the stop blocks, so that the stop blocks can move upward under the pushing action of the stop ring, thereby being more smooth.
7. The method for constructing a shallow overburden anchor pile type construction channel in a deep sea water area as recited in claim 2, wherein said spring comprises a central cylindrical spring positioned in the middle and an outer spring sleeved on the outside thereof, and said outer spring has two ends which are larger and the middle which is smaller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811143308.6A CN109505245B (en) | 2018-09-28 | 2018-09-28 | Construction method of shallow-covering-layer anchor pile type construction channel in ocean deep water area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811143308.6A CN109505245B (en) | 2018-09-28 | 2018-09-28 | Construction method of shallow-covering-layer anchor pile type construction channel in ocean deep water area |
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| CN109505245A CN109505245A (en) | 2019-03-22 |
| CN109505245B true CN109505245B (en) | 2020-09-08 |
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| CN115324039B (en) * | 2022-07-29 | 2024-05-31 | 中交路桥建设有限公司 | Construction process of simple foundation pile |
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| CN101899829B (en) * | 2010-07-22 | 2011-08-24 | 浙江中隧桥波形钢腹板有限公司 | Evaginable wing plate hollow steel pipe pile |
| CN102312442A (en) * | 2011-07-01 | 2012-01-11 | 中铁大桥局股份有限公司 | Construction method of trestle steel pipe pile foundation |
| CN104404861A (en) * | 2014-11-05 | 2015-03-11 | 中交第二航务工程局有限公司 | Steel trestle provided with steel anchor pile and construction method of steel trestle |
| JP6531634B2 (en) * | 2015-11-24 | 2019-06-19 | 日本製鉄株式会社 | Construction method of pile type foundation structure |
| CN108442232B (en) * | 2018-04-30 | 2023-09-26 | 安徽省公路桥梁工程有限公司 | Assembled steel temporary bridge structure and construction method thereof |
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