CN109853539A - Spreading casing and its construction method - Google Patents
Spreading casing and its construction method Download PDFInfo
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- CN109853539A CN109853539A CN201910092494.3A CN201910092494A CN109853539A CN 109853539 A CN109853539 A CN 109853539A CN 201910092494 A CN201910092494 A CN 201910092494A CN 109853539 A CN109853539 A CN 109853539A
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- casing
- spreading
- waiting
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Abstract
The invention discloses a kind of spreading casings, the spreading casing includes: variable diameter casing, variable diameter casing includes the casing epimerite, casing middle node and casing coxopodite sequentially coaxially connected, and the diameter of the casing epimerite is less than the diameter of the casing coxopodite, and the diameter of the casing epimerite is configured as identical as the diameter of casing waiting.Multiple guide parts that the casing coxopodite is directed into for the casing waiting, multiple guide part intervals are set on the casing coxopodite.Present invention efficiently solves can efficiently solve under underwater casing damaged condition, replacement or the difficult problem of spreading casing construction.
Description
Technical field
The present invention relates to field of bridge construction, and in particular to spreading casing and its construction method.
Background technique
Casing, since soil property is unstable, is protected using retaining wall device to hole stake during carrying out artificial digging pile
Round tank, collapse hole can be prevented to avoid influencing construction speed and safety.
When constructing pile foundation in water, casing is common device, especially in the pile foundation construction of high bearing platform supported on piles in deep water.It is applying
During work, abnormal conditions are such as encountered, so that casing is impaired, pile foundation normal construction can not be carried out.
To guarantee pile foundation normal construction, need to pull out casing and then again inserting piling casing.When encountering casing and being difficult to pull out,
The undamaged portion casing in riverbed or more can be first cut off under water, then Underwater Welding spreading part casing.Underwater Welding is due to water
Presence, become more complicated welding process, and will appear the problem of welding of various land is be encountered, to pile foundation
Construction brings extreme difficulties, extends the construction time.
Summary of the invention
In view of the deficiencies in the prior art, the purpose of the present invention is to provide a kind of spreading casing and its construction parties
Method can efficiently solve under underwater casing damaged condition, the problem of replacement or spreading casing construction hardly possible.
To achieve the above objectives, the technical solution adopted by the present invention is that:
The one side present invention provides a kind of spreading casing, comprising:
Variable diameter casing, variable diameter casing include the casing epimerite, casing middle node and casing coxopodite sequentially coaxially connected, and
The diameter of the casing epimerite is less than the diameter of the casing coxopodite, and the diameter of the casing epimerite is configured as and casing waiting
Diameter it is identical；And
It is multiple along the spaced guide part of casing coxopodite circumferencial direction.
Based on the above technical solution, each guide part includes:
Two pieces of guiding basils for being fixed on the casing coxopodite, the guiding basil is bevel edge on one side, and it is described tiltedly
While extending into casing middle node；
Connecting plate connects two pieces of guiding basils, and vertical with two pieces of guiding basils.
Based on the above technical solution, the guiding basil is equipped with the notch connecting with the casing coxopodite.
Based on the above technical solution, the spreading casing is equipped with 6 guide parts.
Based on the above technical solution, the spreading casing further includes multiple locating parts, and multiple locating parts are set
In in the casing middle node.
Based on the above technical solution, the locating part is polygonized structure, and multiple locating parts are close
The side of guide part is in the same sagittal plane of the casing middle node.
Based on the above technical solution, the spreading casing is equipped with 6 locating parts.
Based on the above technical solution, the variable diameter casing, guide part and locating part use same steel.
On the other hand, the present invention provides a kind of construction method of long casing, and the construction method includes:
Cut-out casing waiting；
It is lifted to casing position waiting using loop wheel machine lifting spreading casing, spreading casing is slowly transferred, is made using guide part
Spreading casing is docked with casing waiting；
Inserting piling spreading casing buries, until stopping inserting piling when the locating part of spreading casing touches casing waiting；
Cement injection mortar makes spreading casing and casing waiting form entirety to gap between casing coxopodite and former cylinder.
Based on the above technical solution, the casing middle node is equipped with multiple locating parts, the spreading described in inserting piling
When casing buries, until stopping inserting piling when the locating part on the casing middle node touches casing waiting.
Based on the above technical solution, it is successively used between the casing epimerite, casing middle node and casing coxopodite
Double groove welding.
Compared with the prior art, the advantages of the present invention are as follows: when using the spreading casing, in cut-out casing waiting
Afterwards, dock spreading casing with casing waiting using guide part.Inserting piling variable diameter casing buries, until the locating part of variable diameter casing connects
When contacting casing waiting, stop inserting piling, gap between cement injection mortar to casing coxopodite and former cylinder reaches certain strong to mortar
After degree, that is, the spreading work of casing is completed, subsequent drilling construction can be carried out.Greatly reduce the work of underwater operation
Amount, greatly mentioning reduces operating risk, and safety is also improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of variable diameter casing in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of spreading casing in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram in the embodiment of the present invention after the construction of spreading casing；
Fig. 4 is the schematic view of the front view of guide part in the embodiment of the present invention；
Fig. 5 is the overlooking structure diagram of guide part in the embodiment of the present invention；
Fig. 6 is the schematic view of the mounting position of guide part in the embodiment of the present invention；
Fig. 7 is the schematic view of the mounting position of locating part in the embodiment of the present invention.
In figure: 1, variable diameter casing；11, casing epimerite；12, casing middle node；13, casing coxopodite；2, guide part；21, it leads
To the basil；211, notch；22, connecting plate；3, locating part；4, casing waiting.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and embodiments.
Fig. 1 is the structural schematic diagram of variable diameter casing in the embodiment of the present invention, and Fig. 2 is spreading casing in the embodiment of the present invention
Structural schematic diagram, Fig. 3 are the structural schematic diagram in the embodiment of the present invention after the construction of spreading casing.As shown in Figure 1 to Figure 3, this hair
Bright embodiment provides a kind of spreading casing, comprising:
Variable diameter casing 1, variable diameter casing include the casing epimerite 11, casing middle node 12 and casing coxopodite sequentially coaxially connected
13, and the diameter D1 of casing epimerite 11 be less than casing coxopodite 13 diameter D2, the diameter D1 of casing epimerite 11 be configured as with
The diameter of casing 4 waiting is identical；
It is multiple along the spaced guide part 2 of 13 circumferencial direction of casing coxopodite.
When using the spreading casing, after cut-out casing waiting, make spreading casing and shield waiting using guide part
Cylinder docking.Inserting piling variable diameter casing buries, until stopping inserting piling, priming petock when the locating part of variable diameter casing touches casing waiting
Cement mortar completes the spreading work of casing after mortar reaches some strength to gap between casing coxopodite and former cylinder, can
To carry out subsequent drilling construction.The workload of underwater operation is greatly reduced, greatly mentioning reduces operating risk, safety
It is improved.
In the present embodiment, guide part 2 is that casing 4 waiting is directed into casing coxopodite 13 and play the guiding role multiple guide parts
2 intervals are set on casing coxopodite 13, and the medial surface of multiple guide parts 2 is in same round table surface.
In the present embodiment, the diameter of the bigger diameter end of round table surface is greater than the diameter of casing coxopodite, the miner diameter end of round table surface
Diameter is slightly larger than the diameter of casing waiting.Casing 4 i.e. waiting and 2 clearance fit of guide part.
Fig. 4 is the schematic view of the front view of guide part in the embodiment of the present invention, and Fig. 5 is guide part in the embodiment of the present invention
Overlooking structure diagram.It is as shown in Figure 4 and Figure 5:
Preferably, guide part 2 includes:
The guiding basil 21 of two pieces of polygons for being fixed on casing coxopodite 13, which is bevel edge on one side, and
The bevel edge extends into casing middle node 12；
Connecting plate 22 connects two pieces of guiding basils 21, and vertical with two pieces of guiding basils.
In the present embodiment, it is bevel edge, multiple guiding basils 21 that the guiding basil 21, which is mounted on the inside after casing coxopodite 13,
In same round table surface, round table surface play the guiding role when casing 4 waiting is inserted into casing coxopodite 13, facilitates casing 4 waiting
Insertion.And it is oriented to the formation sharp shaped material of the basil 21 to facilitate in insertion riverbed.
Preferably, the guiding basil 21 is equipped with the notch 211 connecting with casing coxopodite 13.Slot is set in the guiding basil 21
Mouth 211 can make to be oriented to the basil 21 and the connection of casing coxopodite is more convenient.In the present embodiment, casing coxopodite 13 and guiding sword
Angle 21 is connected by way of welding.And being oriented to the basil 21 with connecting plate 22 is also to be connected by way of welding.
Fig. 6 is the overlooking structure diagram of spreading casing in the embodiment of the present invention, as shown in Figure 6, it is preferable that variable diameter casing
1 casing is equipped with 6 guide parts 2.6 guide parts 2 are arranged on variable diameter casing 1 can make spreading casing and casing waiting 4 more square
Just it docks.In this city embodiment, 6 guide parts 2 uniform intervals on casing coxopodite 13 are arranged.Certainly in other embodiments
In, it also can be used 3 or 4 guide parts 2 uniform intervals on casing coxopodite 13 be arranged.
Fig. 7 is the schematic view of the mounting position of locating part in the embodiment of the present invention, as shown in Figure 7:
Preferably, spreading casing further includes multiple locating parts 3, and multiple locating parts 3 are set in casing middle node 12.
In the present embodiment, multiple locating parts 3 are set in casing middle node 12, it can be to avoid in the inserting piling variable diameter casing
When 1, casing 4 waiting is withstood on casing middle node 12, is collided, and causes to damage.
Preferably, locating part 3 is polygonized structure, and multiple locating parts 3 are in same diameter close to the side of guide part 2
Into face.
In the present embodiment, locating part 3 is polygonized structure, is equivalent to plate muscle, locating part 3 can be made to have better stress
Intensity.And multiple locating parts 3 are in same sagittal plane close to the side of guide part 2 can be such that locating part 3 preferably limits
The position of casing 4 waiting docks spreading casing steadily with casing 4 waiting.
Preferably, spreading casing is equipped with 6 locating parts 3.6 locating parts are set on the casing middle node 12 of spreading casing
3 can preferably limit the position of casing 4 waiting.In this city embodiment, 6 locating parts 3 are uniform on casing middle node 12
Interval setting.Certainly in other embodiments, also can be used 3 or 4 locating parts 3 on casing middle node 12 uniformly between
Every setting.
In the present embodiment, variable diameter casing 1, guide part 2 and locating part 3 use same steel.Variable diameter in the present embodiment
Casing 1 can be rolled using steel plate, and the steel plate processing and fabricating of same model can also be used in guide part 2 and locating part 3, can make to utilize
The leftover pieces for making guide part 2 make locating part 3, keep the utilization rate of material high, reduce costs.
On the other hand, the present invention also provides a kind of construction method of spreading casing, which is connect using above-mentioned one kind
Long casing realizes that the construction method includes:
S1: cut-out casing 4 waiting.
In this city embodiment, the part in the riverbed of the damage of casing 4 waiting or more is cut off, one is reserved more than riverbed
Section is docked with spreading casing.
S2: it is lifted to 4 position of casing waiting using loop wheel machine lifting spreading casing, spreading casing is slowly transferred, utilizes guiding
Part 2 docks spreading casing with casing 4 waiting.
Guide part 2 can be convenient docking for spreading casing and casing 4 waiting, in docking also to be made using leading truck guiding
With accurate positioning, facilitate docking for spreading casing and casing 4 waiting.
S3: inserting piling spreading casing buries.
It when inserting piling spreading casing buries, is buried using vibration hammer or jump bit inserting piling variable diameter casing, inserts spreading casing
Enter riverbed, it is made to have certain support force.
Preferably, multiple locating parts 3 are equipped on casing middle node 12, when inserting piling spreading casing buries, until casing
When locating part 3 on middle node 12 touches casing 4 waiting, stop inserting piling.It can avoid between casing 4 and casing middle node waiting
It collides.
S4: cement injection mortar to gap between casing coxopodite and casing makes spreading casing and casing waiting form entirety.
To before cement injection mortar in gap between casing coxopodite and casing, first sand throwing bag is formed in the surrounding of spreading casing
It blocks, can be come out to avoid cement mortar from gap leaking loss.
In the present embodiment, can be by punching cement injection mortar on the casing coxopodite 13 of spreading casing, it can also be with
It is irrigated cement mortar by conduit inserted into gap, spreading casing and casing waiting is made to form entirety.
Preferably, successively using two-sided between the casing epimerite 11 of spreading casing, casing middle node 12 and casing coxopodite 13
Groove welding.
The form welded using double groove, can greatly reduce casing epimerite 11, casing middle node 12 and casing bottom
The concentrated stress for saving 13 welds improves the intensity of weld.
In conclusion it is convenient and efficient using spreading casing progress casing spreading constructing operation, the duration can also be saved.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of spreading casing characterized by comprising
Variable diameter casing (1), variable diameter casing include the casing epimerite (11), casing middle node (12) and casing bottom sequentially coaxially connected
It saves (13), and the diameter of the casing epimerite (11) is less than the diameter of the casing coxopodite (13), the casing epimerite (11)
Diameter be configured as it is identical as the diameter of casing waiting (4)；And
It is multiple along the spaced guide part of casing coxopodite (13) circumferencial direction (2).
2. spreading casing as described in claim 1, which is characterized in that each guide part (2) includes:
Two pieces of guiding basils (21) for being fixed on the casing coxopodite (13), the guiding basil (21) is bevel edge on one side, and
And the bevel edge extends into casing middle node (12)；
Connecting plate (22) connects two pieces of guiding basils (21), and vertical with two pieces of guiding basils (21).
3. spreading casing as described in claim 1, it is characterised in that: the guiding basil (21) is equipped with and the casing bottom
Save the notch (211) of (13) connection.
4. a kind of spreading casing as described in claim 1, it is characterised in that: the spreading casing is equipped with 6 guide parts
(2)。
5. spreading casing as described in claim 1, it is characterised in that: the spreading casing further includes multiple locating parts (3), more
A locating part (3) is set in the casing middle node (12).
6. spreading casing as claimed in claim 5, it is characterised in that: the locating part (3) is polygonized structure, and multiple
The locating part (3) is in the same sagittal plane of the casing middle node (12) close to the side of guide part (2).
7. spreading casing as claimed in claim 5, it is characterised in that: the spreading casing is equipped with 6 locating parts (3).
8. a kind of construction method using spreading casing as described in claim 1, which is characterized in that the construction method packet
It includes:
Cut-out casing waiting (4)；
It is lifted to casing waiting (4) position using loop wheel machine lifting spreading casing, the spreading casing is slowly transferred, utilizes guide part
(2) the spreading casing is docked with casing waiting (4)；
Spreading casing described in inserting piling buries；
Cement injection mortar forms the spreading casing with casing waiting whole to gap between the casing coxopodite and former cylinder
Body.
9. construction method as claimed in claim 8, which is characterized in that the casing middle node (12) is equipped with multiple locating parts
(3), when the spreading casing described in inserting piling buries, until the locating part (3) on the casing middle node (12) touches shield waiting
When cylinder (4), stop inserting piling.
10. construction method as claimed in claim 8, which is characterized in that in the casing epimerite (11) of the spreading casing, casing
It is successively welded using double groove between segmentum intercalaris (12) and casing coxopodite (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092494.3A CN109853539B (en) | 2019-01-30 | 2019-01-30 | Lengthening pile casing and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910092494.3A CN109853539B (en) | 2019-01-30 | 2019-01-30 | Lengthening pile casing and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109853539A true CN109853539A (en) | 2019-06-07 |
| CN109853539B CN109853539B (en) | 2021-05-14 |
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ID=66896955
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910092494.3A Active CN109853539B (en) | 2019-01-30 | 2019-01-30 | Lengthening pile casing and construction method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952453A (en) * | 2019-11-25 | 2020-04-03 | 通号建设集团有限公司 | Construction method of abutment structure |
| CN113136861A (en) * | 2021-04-26 | 2021-07-20 | 四川瑞云建设工程有限公司 | Prefabricated cylinder retaining wall of manual hole digging pile and construction method |
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| CN101845831A (en) * | 2009-12-23 | 2010-09-29 | 中铁大桥局集团第一工程有限公司 | Deepwater pile extension technology |
| CN202644527U (en) * | 2012-07-10 | 2013-01-02 | 上海港务工程公司 | Detachable steel casing of variable-section drilling filling pile |
| KR20130012106A (en) * | 2012-05-18 | 2013-02-01 | 동부건설 주식회사 | Transition piece and momopile connection structure of offshore wind turbine |
| CN205712156U (en) * | 2016-03-31 | 2016-11-23 | 广州华申建设工程管理有限公司 | The device being connected with dry method grouting for leveling under water |
| CN205822228U (en) * | 2016-07-25 | 2016-12-21 | 福建永福电力设计股份有限公司 | A kind of offshore fan tower base structure |
| JP2017115373A (en) * | 2015-12-22 | 2017-06-29 | 株式会社熊谷組 | Grout joining structure |
| CN108342983A (en) * | 2018-01-15 | 2018-07-31 | 中铁大桥局集团有限公司 | Underwater steel pile casting connects high method in constructing for deep-water bridge foundation |
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2019
- 2019-01-30 CN CN201910092494.3A patent/CN109853539B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101845831A (en) * | 2009-12-23 | 2010-09-29 | 中铁大桥局集团第一工程有限公司 | Deepwater pile extension technology |
| KR20130012106A (en) * | 2012-05-18 | 2013-02-01 | 동부건설 주식회사 | Transition piece and momopile connection structure of offshore wind turbine |
| CN202644527U (en) * | 2012-07-10 | 2013-01-02 | 上海港务工程公司 | Detachable steel casing of variable-section drilling filling pile |
| JP2017115373A (en) * | 2015-12-22 | 2017-06-29 | 株式会社熊谷組 | Grout joining structure |
| CN205712156U (en) * | 2016-03-31 | 2016-11-23 | 广州华申建设工程管理有限公司 | The device being connected with dry method grouting for leveling under water |
| CN205822228U (en) * | 2016-07-25 | 2016-12-21 | 福建永福电力设计股份有限公司 | A kind of offshore fan tower base structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110952453A (en) * | 2019-11-25 | 2020-04-03 | 通号建设集团有限公司 | Construction method of abutment structure |
| CN110952453B (en) * | 2019-11-25 | 2021-11-12 | 通号建设集团有限公司 | Construction method of abutment structure |
| CN113136861A (en) * | 2021-04-26 | 2021-07-20 | 四川瑞云建设工程有限公司 | Prefabricated cylinder retaining wall of manual hole digging pile and construction method |
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| CN109853539B (en) | 2021-05-14 |
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