CN116043906A - Anchoring construction method for steel pipe pile in underwater bare rock area - Google Patents
Anchoring construction method for steel pipe pile in underwater bare rock area Download PDFInfo
- Publication number
- CN116043906A CN116043906A CN202211563230.XA CN202211563230A CN116043906A CN 116043906 A CN116043906 A CN 116043906A CN 202211563230 A CN202211563230 A CN 202211563230A CN 116043906 A CN116043906 A CN 116043906A
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- pipe pile
- pile
- underwater
- rock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 91
- 239000010959 steel Substances 0.000 title claims abstract description 91
- 239000011435 rock Substances 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 238000004873 anchoring Methods 0.000 title claims abstract description 24
- 238000005553 drilling Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000004080 punching Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000007667 floating Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/52—Submerged foundations, i.e. submerged in open water
- E02D27/525—Submerged foundations, i.e. submerged in open water using elements penetrating the underwater ground
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
- E02D27/14—Pile framings, i.e. piles assembled to form the substructure
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- 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
- E02D5/40—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds in open water
-
- 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
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Piles And Underground Anchors (AREA)
- Foundations (AREA)
Abstract
The invention discloses an underwater bare rock area steel pipe pile anchoring construction method, which comprises the following steps: firstly, punching a hole on an exposed rock surface through a floating box on water, then, placing a steel pipe pile into the hole through a crane, temporarily stabilizing the steel pipe pile, welding a parallel connection to connect the steel pipe pile into a whole, and erecting a platform of a geological drilling machine on the top of the steel pipe pile; installing a geological core pulling machine on a pile top platform, then penetrating a guide pipe into a riverbed rock surface in a steel pipe pile, and drilling into the rock layer by geological drilling for 3m; after core pulling is completed, a 4m long seamless concrete core steel pipe rod is inserted into the hole bottom through a guide pipe, and then the guide pipe is pulled out; installing a guide pipe for pile foundation pouring, and pouring 3m high C30 underwater concrete in the steel pipe pile according to an underwater pile foundation pouring process; after the concrete in the steel pipe pile is equal in strength, the steel pipe pile and the rock stratum form an anchoring structure through the concrete and the seamless steel pipe, the construction of the anchored steel pipe pile is completed, a geological drilling rig construction platform is removed, and the upper structure of the trestle is continuously erected.
Description
Technical Field
The invention relates to the technical field of steel pipe pile anchoring, in particular to an underwater bare rock area steel pipe pile anchoring construction method.
Background
The geological conditions in water in each region have great difference, which also leads to different geological conditions aiming at different water area environments, and different water construction platform erection methods are needed. The common trestle is erected with the steel pipe pile by adopting a construction mode of inserting and driving a vibrating hammer, so that the steel pipe pile shakes into a covering layer, the load of construction equipment is supported by using the friction resistance between the covering layer and the steel pipe pile, and in certain water areas, the geological condition of the bottom of a river bed is exposed rock. Aiming at the geological condition of the bare rock riverbed, the traditional method is to firstly adopt underwater blasting, then carry out punching treatment and finally embed the steel pipe pile, but the construction method has higher construction risk, and has the defects of long construction period, high input cost and the like.
Disclosure of Invention
The invention aims to solve the problems of the background technology and provides an underwater bare rock area steel pipe pile anchoring construction method.
The aim of the invention can be achieved by the following technical scheme:
an underwater bare rock area steel pipe pile anchoring construction method comprises the following steps:
step 1: firstly, punching a drilling platform through an overhead buoyancy tank, guiding holes to the exposed uneven rock surface at the bottom, then hoisting and lowering the steel pipe pile, temporarily stabilizing and installing a pile top geological drilling platform; a guide pipe is used for penetrating into a rock surface at the bottom of the steel pipe pile, and the steel pipe pile is drilled into the rock stratum by geological drilling equipment for 3m;
step 2: after core pulling by using a geological drilling machine is completed, inserting a 4m long concrete core seamless steel pipe into the hole bottom by using a guide pipe, reserving 1m inside a steel pipe pile when 3m of the seamless steel pipe is positioned in the hole, and then pulling out the guide pipe of the geological drilling machine;
step 3: pouring 3m high C30 underwater concrete in the steel pipe pile by adopting an underwater pile foundation pouring process;
step 4: after the concrete at the bottom of the steel pipe pile is equal in strength, the steel pipe pile and the rock stratum form an anchoring structure through the concrete and the seamless steel pipe, the construction of the anchored steel pipe pile is completed, a geological drilling rig construction platform is removed, and the upper structure of the trestle is continuously erected.
As a further scheme of the invention: in the step 1, the parallel connection structure is a parallel connection pipe, and the steel pipe pile is additionally provided with a horizontal scissor-supporting parallel connection pipe except for the common parallel and transverse bridge parallel connection.
As a further scheme of the invention: in step 1, the diameter of the geological drill pipe is 15cm.
As a further scheme of the invention: in the step 2, the diameter of the seamless steel pipe is 12cm, the number of the seamless steel pipes arranged in each steel pipe pile is three, the length of the seamless steel pipe is 4m, and C30 concrete is poured into the seamless steel pipe.
As a further scheme of the invention: in the step 2, the seamless steel pipe is inserted into a rock hole for 3m, and 1m is reserved outside the rock hole and inside the steel pipe pile.
As a further scheme of the invention: in the step 3, an underwater pile foundation pouring process is adopted, firstly, the air tightness and the bearing capacity of a pile foundation conduit are checked, then, the first-disc concrete meeting the minimum buried pipe depth is prepared, and the distance between the bottom of the pile foundation conduit and the river bed surface is controlled to be 30cm.
The invention has the beneficial effects that:
the invention uses the buoyancy tank to impact the platform to draw holes, the steel pipe pile is stably lowered, the drilling machine drills into the rock stratum, the core is pulled out, the seamless steel pipe is inserted as the anchor rod, the underwater concrete is poured, the concrete is combined with the anchor rod and the rock stratum to form an anchoring structure, therefore, the underwater bare rock area steel pipe pile anchoring construction method has the advantages of convenient construction and high anchoring stability
The problem of the steel-pipe pile of standing on the uncovered bare rock of first has been solved, further makes steel-pipe pile bottom and rock concretion become wholly through stock structural design, avoids the steel-pipe pile to receive rivers to influence and takes place to slide, and the concrete and the stock structure of bottom are effectual with steel-pipe pile upper portion load transfer to the stratum.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart of step 1 and step 2 in the steel pipe pile anchoring construction method of the present invention;
fig. 2 is a schematic flow chart of step 3 and step 4 in the steel pipe pile anchoring construction method of the present invention;
FIG. 3 is a schematic view of a water buoyancy tank impact drilling platform in step 1 in the steel pipe pile anchoring construction method of the present invention
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the invention discloses an underwater bare rock area steel pipe pile anchoring construction method, which comprises the following steps:
step 1: firstly, punching a drilling platform through a floating box on water, guiding holes on a rock surface with exposed bottom, then hoisting and lowering steel pipe piles, and installing a pile top geological drilling platform after welding a flat connection structure; three phi 15cm guide pipes are used for penetrating into the rock surface at the bottom of the steel pipe pile, and the steel pipe pile is drilled into the rock stratum for 3m through geological drilling equipment;
step 2: after core pulling is completed, three seamless steel pipes with the length of 4m and the length of phi 12cm are inserted into the hole bottom through the guide pipe, the seamless steel pipes are inserted into the rock holes for 3m, 1m of the outside of the rock holes is reserved in the steel pipe pile, and then the guide pipe with the length of phi 15cm is pulled out;
step 3: pouring 3m high C30 underwater concrete in the steel pipe pile by utilizing a conduit poured by the pile foundation;
step 4: after the bottom concrete of the steel pipe pile is equal in strength, the steel pipe pile and the rock face form an anchoring structure through the concrete and the seamless steel pipe, the construction of the anchoring steel pipe pile is completed, the anchor rod construction platform is removed, and the upper structure of the trestle is continuously erected.
In the step 1, the parallel connection structure is a parallel connection pipe, and the steel pipe pile is additionally provided with a horizontal scissor-supporting parallel connection pipe except for the common parallel and transverse bridge parallel connection.
In step 1, the diameter of the geological drill pipe is 15cm.
In the step 2, the diameter of the seamless steel pipe is 12cm, the number of the seamless steel pipes arranged in each steel pipe pile is three, the length of the seamless steel pipe is 4m, and C30 concrete is poured into the seamless steel pipe.
In the step 2, the seamless steel pipe is inserted into a rock hole for 3m, and 1m is reserved outside the rock hole and inside the steel pipe pile.
In the step 3, an underwater pile foundation pouring process is adopted, firstly, the air tightness and the bearing capacity of a pile foundation conduit are checked, then, the first-disc concrete meeting the minimum buried pipe depth is prepared, and the distance between the bottom of the pile foundation conduit and the river bed surface is controlled to be 30cm.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (6)
1. The anchoring construction method of the steel pipe pile in the underwater bare rock area is characterized by comprising the following steps of:
step 1: firstly, punching a drilling platform through an overhead buoyancy tank, guiding holes to the exposed uneven rock surface at the bottom, then hoisting and lowering the steel pipe pile, temporarily stabilizing and installing a pile top geological drilling platform; a guide pipe is used for penetrating into a rock surface at the bottom of the steel pipe pile, and the steel pipe pile is drilled into the rock stratum by geological drilling equipment for 3m;
step 2: after core pulling by using a geological drilling machine is completed, inserting a 4m long concrete core seamless steel pipe into the hole bottom by using a guide pipe, reserving 1m inside a steel pipe pile when 3m of the seamless steel pipe is positioned in the hole, and then pulling out the guide pipe of the geological drilling machine;
step 3: pouring 3m high C30 underwater concrete in the steel pipe pile by adopting an underwater pile foundation pouring process;
step 4: after the concrete at the bottom of the steel pipe pile is equal in strength, the steel pipe pile and the rock stratum form an anchoring structure through the concrete and the seamless steel pipe, the construction of the anchored steel pipe pile is completed, a geological drilling rig construction platform is removed, and the upper structure of the trestle is continuously erected.
2. The anchoring construction method for the steel pipe pile in the underwater bare rock area according to claim 1, wherein in the step 1, the parallel connection structure is a parallel connection pipe, and the steel pipe pile is additionally provided with a horizontal scissor-supporting parallel connection pipe except for a common parallel bridge and a transverse bridge.
3. The method for anchoring and constructing the steel pipe pile in the underwater bare rock area according to claim 1, wherein in the step 1, the diameter of the geological drilling rig pipe is 15cm.
4. The method according to claim 1, wherein in the step 2, the diameter of the seamless steel pipe is 12cm, the number of the seamless steel pipes arranged in each steel pipe pile is three, the length of the seamless steel pipe is 4m, and the inside of the seamless steel pipe is filled with C30 concrete.
5. The method for anchoring and constructing the steel pipe pile in the underwater bare rock area according to claim 1, wherein in the step 2, the seamless steel pipe is inserted into a rock hole for 3m, and 1m is reserved outside the rock hole in the steel pipe pile.
6. The method for anchoring and constructing the steel pipe pile in the underwater bare rock area according to claim 1, wherein in the step 3, an underwater pile foundation pouring process is adopted, firstly, the air tightness and the bearing capacity of a pile foundation guide pipe are checked, then, a head plate concrete meeting the minimum buried pipe depth is prepared, and the distance between the bottom of the pile foundation guide pipe and the river bed surface is controlled to be 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211563230.XA CN116043906A (en) | 2022-12-07 | 2022-12-07 | Anchoring construction method for steel pipe pile in underwater bare rock area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211563230.XA CN116043906A (en) | 2022-12-07 | 2022-12-07 | Anchoring construction method for steel pipe pile in underwater bare rock area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116043906A true CN116043906A (en) | 2023-05-02 |
Family
ID=86120751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211563230.XA Pending CN116043906A (en) | 2022-12-07 | 2022-12-07 | Anchoring construction method for steel pipe pile in underwater bare rock area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116043906A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103898910A (en) * | 2014-03-10 | 2014-07-02 | 中交一航局第三工程有限公司 | Method for anchoring trestle steel pipe piles on seabed rock bare landform |
| CN105239573A (en) * | 2015-10-28 | 2016-01-13 | 浙江省交通工程建设集团有限公司第二分公司 | Rock anchoring construction method for implanted pipe of structural steel trestle |
| CN106758759A (en) * | 2017-02-20 | 2017-05-31 | 中铁十九局集团第七工程有限公司 | A kind of trestle pile foundation and its anchoring process for deep water drift net riverbed |
| CN107386285A (en) * | 2017-08-03 | 2017-11-24 | 中铁六局集团有限公司 | A kind of novel steel tube pile foundation rock borehole anchorage method |
| CN108103939A (en) * | 2017-12-08 | 2018-06-01 | 中交路桥北方工程有限公司 | Oblique section steel trestle construction composite reinforcement mode and construction technology |
| CN113309132A (en) * | 2021-05-07 | 2021-08-27 | 中铁十一局集团第一工程有限公司 | Construction method based on steel trestle bridge anchoring pile |
-
2022
- 2022-12-07 CN CN202211563230.XA patent/CN116043906A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103898910A (en) * | 2014-03-10 | 2014-07-02 | 中交一航局第三工程有限公司 | Method for anchoring trestle steel pipe piles on seabed rock bare landform |
| CN105239573A (en) * | 2015-10-28 | 2016-01-13 | 浙江省交通工程建设集团有限公司第二分公司 | Rock anchoring construction method for implanted pipe of structural steel trestle |
| CN106758759A (en) * | 2017-02-20 | 2017-05-31 | 中铁十九局集团第七工程有限公司 | A kind of trestle pile foundation and its anchoring process for deep water drift net riverbed |
| CN107386285A (en) * | 2017-08-03 | 2017-11-24 | 中铁六局集团有限公司 | A kind of novel steel tube pile foundation rock borehole anchorage method |
| CN108103939A (en) * | 2017-12-08 | 2018-06-01 | 中交路桥北方工程有限公司 | Oblique section steel trestle construction composite reinforcement mode and construction technology |
| CN113309132A (en) * | 2021-05-07 | 2021-08-27 | 中铁十一局集团第一工程有限公司 | Construction method based on steel trestle bridge anchoring pile |
Non-Patent Citations (3)
| Title |
|---|
| 伍锦时: "《跨江钢栈桥及钢平台搭设技术探讨》", 《中国公路》, no. 16, pages 95 - 97 * |
| 吕建伟: "《钱塘江强涌潮抛石区钢管桩冲击引孔沉桩施工技术》", 《中国公路》, no. 21, pages 230 - 231 * |
| 王德明: "《谈急流及岩层裸露地区深水钢栈桥施工技术》", 《山西建筑》, vol. 43, no. 4, pages 185 - 186 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2016182957A (en) | Undersea anchoring system and method | |
| CN109024651B (en) | Steel pipe concrete mixed pile foundation and construction method | |
| CN102953362B (en) | A kind of drilled pile platform be arranged in deep water torrent intectate steep bare rock | |
| CN105275381A (en) | Drilling construction method for water-rich cobble stratum by utilizing impact drill | |
| CN110924307A (en) | Trestle construction method for bare rock geology | |
| CN112663600A (en) | Construction method of cast-in-situ bored pile for water-rich sandy stratum | |
| CN108166483A (en) | Bored pile construction method | |
| CN105569560A (en) | Full casing long-spiral bored pile machine and method of using same for construction | |
| CN107642041A (en) | The hollow clump of piles anchorage of super-large diameter | |
| CN105064328A (en) | Construction device and method for pile foundation | |
| CN112392400A (en) | Hole forming construction process for slope protection pile in complex geological environment | |
| CN105672314A (en) | Method for constructing steel pipe upright pile through semi-reversed-construction method | |
| CN105780806A (en) | Offshore wind turbine foundation for long-leg jacket of drilling piles and construction method of offshore wind turbine foundation | |
| CN109853531A (en) | A kind of pile foundation construction process of cast-in-situ bored pile | |
| CN114215049A (en) | Construction method for main steel casing of bored pile under deep water foundation and bare rock environment | |
| CN107642040A (en) | The construction method heavy stone used as an anchor of the hollow clump of piles anchorage of super-large diameter | |
| CN112281880A (en) | Construction method of complex stratum long spiral hole-leading inserting-driving locking opening steel pipe pile cofferdam | |
| CN210263062U (en) | Anti construction structures that floats of shallow earthing subway tunnel foundation ditch earthwork excavation in pit bottom | |
| CN207484290U (en) | The hollow clump of piles anchorage of super-large diameter | |
| CN110241731A (en) | A method of forming rock-socketed pile foundation in seabed | |
| CN106758759A (en) | A kind of trestle pile foundation and its anchoring process for deep water drift net riverbed | |
| CN201459749U (en) | Stable structure for construction platform of deep water steel pipe pile | |
| CN116043906A (en) | Anchoring construction method for steel pipe pile in underwater bare rock area | |
| CN216640561U (en) | Novel combined type enclosure structure | |
| CN110273413A (en) | A kind of efficient construction method of prefabricated pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20230502 |