CN111364470A - Construction method for inner protective cylinder redrawing pile sinking - Google Patents
Construction method for inner protective cylinder redrawing pile sinking Download PDFInfo
- Publication number
- CN111364470A CN111364470A CN202010232813.9A CN202010232813A CN111364470A CN 111364470 A CN111364470 A CN 111364470A CN 202010232813 A CN202010232813 A CN 202010232813A CN 111364470 A CN111364470 A CN 111364470A
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- CN
- China
- Prior art keywords
- pile
- protecting cylinder
- inner protecting
- platform
- stabilizing platform
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- 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.)
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Classifications
-
- 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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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/02—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers specially adapted for placing or removing bulkheads
-
- 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
- E02D5/68—Mould-pipes or other moulds for making bulkheads or elements thereof
-
- 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
- E02D7/02—Placing by driving
- E02D7/06—Power-driven drivers
- E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a construction method for redrawing a pile sinking by an inner protective sleeve, which comprises the following steps: hoisting and detaching the drill bit and the drilling machine, hoisting the drilling machine to a deck, and firmly binding; descending the stable pile platform, and then readjusting the stable pile platform; sinking the inner protecting cylinder by using an S2000 hydraulic pile hammer, driving the inner protecting cylinder downwards continuously, and measuring and adjusting the verticality of the inner protecting cylinder at any time in the construction process; after the inner protecting cylinder is sunk, the drilling machine is installed and debugged again to drill holes, the construction method is reasonable and simple, the pile stabilizing platform descends at first, then the inner protecting cylinder is dug again through the S2000 hydraulic pile driving hammer, the verticality of the inner protecting cylinder is measured and adjusted at any time in the construction process, the inner protecting cylinder is enabled to sink piles stably, the mud penetration depth of the inner protecting cylinder is guaranteed, and therefore stability is greatly improved.
Description
Technical Field
The invention relates to the technical field of inner protective cylinder pile sinking, in particular to a construction method for re-driving a pile in an inner protective cylinder.
Background
Offshore piling is the construction operation of large-scale offshore pile foundations, and plays an important role in the fields of port expansion, bridge stabilization, development of offshore wind power resources, offshore mineral resources and oil gas resources and the like.
The steel pile casing is used for construction operation of cast-in-situ bored piles, is made of steel materials, is cylindrical, is generally a steel casing, is generally used for construction prevention and fixation, and the joint of the casing requires no protrusion in the casing, and is resistant to tension and pressure and water leakage.
In the existing marine piling process, the existing construction method has the condition that the inner pile casing cannot completely enter the mud and the mud entering depth is insufficient, so that the stability of the inner pile casing is insufficient, and the piling operation is influenced, so that an improved technology is urgently needed to solve the problem in the prior art.
Disclosure of Invention
The invention aims to provide a construction method for redrawing a pile by an inner protecting cylinder.
In order to achieve the purpose, the invention provides the following technical scheme: a construction method for re-driving a sinking pile by an inner protection barrel comprises the following steps:
the method comprises the following steps: hoisting and removing the drill bit and the drilling machine, configuring a drill bit hoisting sling tool on site according to a construction scheme, hoisting the drill bit from the inner protective cylinder, placing the drill bit into an assembly tower, binding and fixing, hoisting the drilling machine body to the top of the pile stabilizing platform to a deck by using a floating crane, and binding and fixing firmly;
step two: descending a pile stabilizing platform, configuring a pile stabilizing platform rigging according to a construction scheme on site, descending the pile stabilizing platform, removing a jacking lifting frame between the original pile stabilizing platform and an inner protecting cylinder, ensuring that the inner protecting cylinder can have a descending space, measuring the levelness of the pile stabilizing platform in the process, and ensuring that the levelness of the pile stabilizing platform meets the original requirements;
step three: sinking the pile of the inner protecting cylinder, mounting the transition section at the top of the inner protecting cylinder, fastening a connecting bolt, driving the inner protecting cylinder into a certain depth by using an S2000 hydraulic impact hammer, removing the transition section at the top of the inner protecting cylinder after the inner protecting cylinder is mounted in place, and pre-tightening a locking screw at the upper opening of the platform;
step four: after the inner protection barrel is driven to sink the pile again, the transition disc of the drilling machine, the drill bit and the like are hoisted and installed in sequence according to the construction scheme, and the drilling operation is restarted.
Preferably, in the second step, the surveyor utilizes the theodolite to measure the elevation and the levelness of the pile stabilizing platform, if the levelness does not exceed the standard, the survey need not to adjust, and if the levelness exceeds the standard, the levelness of the pile stabilizing platform needs to be adjusted.
Preferably, in the second step, the pile stabilizing platform is leveled: the planeness of the pile stabilizing is less than one thousandth.
Preferably, the perpendicularity of the inner protecting cylinder is measured and adjusted at any time in the construction process by adopting the S2000 hydraulic impact hammer in the third step.
Preferably, the maximum bearing capacity of the floating crane in the first step is not less than 400T.
Compared with the prior art, the invention has the beneficial effects that:
the construction method is reasonable and simple, firstly, the pile stabilizing platform is descended, then the inner protecting cylinder is driven to sink again through the S2000 hydraulic pile driving hammer, the verticality of the inner protecting cylinder is measured and adjusted at any time in the construction process, so that the inner protecting cylinder sinks the pile stably, the mud penetration depth of the inner protecting cylinder is ensured, and the stability is greatly improved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a technical scheme that: a construction method for re-driving a sinking pile by an inner protection barrel comprises the following steps:
the method comprises the following steps: hoisting and removing the drill bit and the drilling machine, configuring a drill bit hoisting sling tool according to a construction scheme on site, hoisting the drill bit from the inner protective cylinder, placing the drill bit into an assembly tower, binding and fixing the drill bit, hoisting a drilling machine body (about 350T) to the top of the pile stabilizing platform to a deck by using a floating crane (the maximum bearing capacity is not less than 400T), and binding and fixing the drill bit firmly;
step two: descend steady pile platform, on-the-spot steady pile platform rigging of configuration according to the construction scheme, descend in the steady pile platform, demolish jacking lift frame between original steady pile platform and the interior protective casing simultaneously, it can have the decline space to ensure interior protective casing, the levelness of steady pile platform is measured to the in-process, ensure that steady pile platform levelness accords with former requirement, survey crew utilizes elevation and the levelness of theodolite measurement steady pile platform, if the levelness does not exceed standard then do not need the adjustment, if the levelness exceeds standard, then need adjust steady pile platform levelness, steady pile platform leveling requirement: the planeness of the pile stabilizing is less than one thousandth;
step three: sinking the pile of the inner protecting cylinder, mounting the transition section on the top of the inner protecting cylinder, fastening a connecting bolt, driving the inner protecting cylinder into a certain depth by using an S2000 hydraulic impact hammer, measuring and adjusting the verticality of the inner protecting cylinder at any time in the construction process, dismounting the transition section on the top of the inner protecting cylinder after the inner protecting cylinder is mounted in place, and pre-tightening a locking screw on the upper opening of the platform;
step four: after the inner protection barrel is driven to sink the pile again, the transition disc of the drilling machine, the drill bit and the like are hoisted and installed in sequence according to the construction scheme, and the drilling operation is restarted.
Aiming at the insufficient mud penetration depth of the inner protection barrel, the construction steps of the special secondary drilling are briefly described as follows: 1. hoisting and detaching the drill bit and the drilling machine, hoisting the drilling machine to a deck, and firmly binding; 2. descending the stable pile platform, and then readjusting the stable pile platform; 3. sinking the inner protecting cylinder by using an S2000 hydraulic pile hammer, driving the inner protecting cylinder downwards continuously, and measuring and adjusting the verticality of the inner protecting cylinder at any time in the construction process; 4. and after the inner protection barrel is sunk, the drilling machine is installed and debugged again to drill. The construction method is reasonable and simple, firstly, the pile stabilizing platform is descended, then the inner protecting cylinder is driven to sink again through the S2000 hydraulic pile driving hammer, the verticality of the inner protecting cylinder is measured and adjusted at any time in the construction process, so that the inner protecting cylinder sinks the pile stably, the mud penetration depth of the inner protecting cylinder is ensured, and the stability is greatly improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A construction method for re-driving a sinking pile by an inner protection barrel is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: hoisting and removing the drill bit and the drilling machine, configuring a drill bit hoisting sling tool on site according to a construction scheme, hoisting the drill bit from the inner protective cylinder, placing the drill bit into an assembly tower, binding and fixing, hoisting the drilling machine body to the top of the pile stabilizing platform to a deck by using a floating crane, and binding and fixing firmly;
step two: descending a pile stabilizing platform, configuring a pile stabilizing platform rigging according to a construction scheme on site, descending the pile stabilizing platform, removing a jacking lifting frame between the original pile stabilizing platform and an inner protecting cylinder, ensuring that the inner protecting cylinder can have a descending space, measuring the levelness of the pile stabilizing platform in the process, and ensuring that the levelness of the pile stabilizing platform meets the original requirements;
step three: sinking the pile of the inner protecting cylinder, mounting the transition section at the top of the inner protecting cylinder, fastening a connecting bolt, driving the inner protecting cylinder into a certain depth by using an S2000 hydraulic impact hammer, removing the transition section at the top of the inner protecting cylinder after the inner protecting cylinder is mounted in place, and pre-tightening a locking screw at the upper opening of the platform;
step four: after the inner protection barrel is driven to sink the pile again, the transition disc of the drilling machine, the drill bit and the like are hoisted and installed in sequence according to the construction scheme, and the drilling operation is restarted.
2. The construction method of the inner casing redrawing pile according to claim 1, characterized in that: and in the second step, the surveyor utilizes the theodolite to measure the elevation and the levelness of the pile stabilizing platform, if the levelness does not exceed the standard, the survey need not to adjust, and if the levelness exceeds the standard, the levelness of the pile stabilizing platform needs to be adjusted.
3. The construction method of the inner casing redrawing pile according to claim 1, characterized in that: and II, meeting the leveling requirement of the pile stabilizing platform: the planeness of the pile stabilizing is less than one thousandth.
4. The construction method of the inner casing redrawing pile according to claim 1, characterized in that: and in the third step, the perpendicularity of the inner protective barrel is measured and adjusted at any time in the construction process by adopting the S2000 hydraulic impact hammer.
5. The construction method of the inner casing redrawing pile according to claim 1, characterized in that: the maximum bearing capacity of the floating crane in the step one is not less than 400T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010232813.9A CN111364470A (en) | 2020-03-28 | 2020-03-28 | Construction method for inner protective cylinder redrawing pile sinking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010232813.9A CN111364470A (en) | 2020-03-28 | 2020-03-28 | Construction method for inner protective cylinder redrawing pile sinking |
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| Publication Number | Publication Date |
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| CN111364470A true CN111364470A (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010232813.9A Pending CN111364470A (en) | 2020-03-28 | 2020-03-28 | Construction method for inner protective cylinder redrawing pile sinking |
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| CN (1) | CN111364470A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774947A (en) * | 2021-08-16 | 2021-12-10 | 江苏龙源振华海洋工程有限公司 | Bare rock machine position construction method |
Citations (6)
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| CN106400764A (en) * | 2016-11-25 | 2017-02-15 | 平煤建工集团特殊凿井工程有限公司 | Assembled offshore single-pile foundation construction platform and construction process thereof |
| CN108301409A (en) * | 2018-03-07 | 2018-07-20 | 江苏龙源振华海洋工程有限公司 | A kind of interior casing mounting process |
| CN108396762A (en) * | 2018-01-12 | 2018-08-14 | 江苏龙源振华海洋工程有限公司 | A kind of steady stake platform of monoblock type |
| CN108532604A (en) * | 2018-03-07 | 2018-09-14 | 江苏龙源振华海洋工程有限公司 | A kind of steady stake platform construction technique |
| CN108547293A (en) * | 2018-03-07 | 2018-09-18 | 江苏龙源振华海洋工程有限公司 | A kind of embedding rock single pile plantation construction technology |
| CN108842806A (en) * | 2018-06-29 | 2018-11-20 | 中交第三航务工程局有限公司 | A kind of construction technology of the non-embedding rock single pile of offshore wind power foundation |
-
2020
- 2020-03-28 CN CN202010232813.9A patent/CN111364470A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106400764A (en) * | 2016-11-25 | 2017-02-15 | 平煤建工集团特殊凿井工程有限公司 | Assembled offshore single-pile foundation construction platform and construction process thereof |
| CN108396762A (en) * | 2018-01-12 | 2018-08-14 | 江苏龙源振华海洋工程有限公司 | A kind of steady stake platform of monoblock type |
| CN108301409A (en) * | 2018-03-07 | 2018-07-20 | 江苏龙源振华海洋工程有限公司 | A kind of interior casing mounting process |
| CN108532604A (en) * | 2018-03-07 | 2018-09-14 | 江苏龙源振华海洋工程有限公司 | A kind of steady stake platform construction technique |
| CN108547293A (en) * | 2018-03-07 | 2018-09-18 | 江苏龙源振华海洋工程有限公司 | A kind of embedding rock single pile plantation construction technology |
| CN108842806A (en) * | 2018-06-29 | 2018-11-20 | 中交第三航务工程局有限公司 | A kind of construction technology of the non-embedding rock single pile of offshore wind power foundation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113774947A (en) * | 2021-08-16 | 2021-12-10 | 江苏龙源振华海洋工程有限公司 | Bare rock machine position construction method |
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Application publication date: 20200703 |
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