CN206916737U - A kind of wear-resistant corrosion-proof joint of precast square pile - Google Patents
A kind of wear-resistant corrosion-proof joint of precast square pile Download PDFInfo
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- CN206916737U CN206916737U CN201720465475.7U CN201720465475U CN206916737U CN 206916737 U CN206916737 U CN 206916737U CN 201720465475 U CN201720465475 U CN 201720465475U CN 206916737 U CN206916737 U CN 206916737U
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Abstract
The utility model discloses a kind of wear-resistant corrosion-proof joint of precast square pile.It includes corrosion-inhibiting coating, pile body, steel sleeve, annular square steel；The annular square steel is respectively welded on the pre-buried steel hoop of upper section stake and lower section stake, and the pre-buried steel hoop is embedded in section stake in advance respectively and lower section stake closes on the region of connection stake steel cap；The steel sleeve upper end is welded on the annular square steel in section stake, and the steel sleeve lower end is welded on the annular square steel in lower section stake；Ribbed stiffener is arranged between annular square steel and pre-buried steel hoop, and each side of annular square steel is respectively provided with three ribbed stiffeners；Corrosion-inhibiting coating is coated on connection stake steel cap outer surface, and annular square steel, which is arranged at, closes on connection stake steel cap area surfaces, and steel sleeve is arranged on the outside of the corrosion-inhibiting coating；The annular square steel and the steel sleeve are square；The section length of side of the steel sleeve and the annular square steel is all higher than coating the pile body contact cross-section length of side of corrosion-inhibiting coating.It is strong with abrasion resistance, the advantages of reliability is high.
Description
Technical field
Pile foundation corrosion-resistant field is the utility model is related to, more specifically it is a kind of wear-resistant corrosion-proof joint of precast square pile.
Background technology
Precast square pile joint can typically use anchor method or welding, should be connect for 7 degree and above area using welding
Stake.It need to consider to take anticorrosive measure to prefabricated pile steel joint when Regional Soil is corrosive to steel construction residing for pile joint.
According to GB50046-2008《Code for design of corrosion prevention of industrial buildings》4.9.6 bar, the staking in pollution soil layer
Head, pile extension steel part should brushing anticorrosion wear-resistant coating or increase steel part thickness corrosion allowance be not less than 2mm, when having ready conditions
Also thermal contraction polyethylene mantle can be used to protect.For prefabricated tubular pile, because pile body is circle, friction during pile sinking suffered by pile body
Than more uniform, therefore the effect for carrying out with the method for brushing anticorrosion wear-resistant coating or polyethylene mantle anti-corrosion protection is preferable, when
When condition limits, the method for (interior brush anticorrosive coating) is wound using adhesive tape can also play preferable protection effect.And for pre-
Square pile processed, because pile body is square, the welding of generally use angle steel carries out pile extension, and during pile sinking, pile body corner can form stress collection
In, friction all concentrates on corner, and now according to the anti-corrosion of anticorrosion wear-resistant coating or polyethylene mantle, then corner is easily ground
Damage, it is difficult to play reliable anticorrosion protection effect.And based on stake engineering important component, can not after coming into operation
Repair maintenance is carried out, its durability then requires and the overall structure same life-span.In addition, pile foundation construction belongs to concealed work, work as use
The not high Corrosion prevention scheme of reliability carries out anti-corrosion protection and is also difficult to examination, assessment of conformity, therefore, for precast square pile
Steel joint anti-corrosion, the high safeguard procedures of reliability need to be used.
Existing Application No. 201520087289.5, patent name are《The prefabricated reinforced concrete component of non-melting welding more piece connection》
A kind of prefabricated reinforced concrete component of non-melting welding more piece connection is disclosed, is mainly used in foundation pit enclosure stake, does not consider anti-corrosion situation；
Application No. 200720109331.4, patent name are《A kind of concrete square pile joint》Disclose and connect with two square piles
The end plate in face is welded with a kind of concrete square pile joint that tension supplement plate is closely welded between connecting plate, end plate and connecting plate,
Unprotect cover, it is impossible to make abrasion during anticorrosive coat resistance pile sinking；
Application No. 201520113072.7, patent name are《Solid square pile end plate pile joint》Disclose a kind of termination
The solid square pile end plate pile joint that sheet pile joint is connected as a single entity with pile body cage bar, program driving cap pile extension unprotect cover, no
Abrasion during anticorrosive coat resistance pile sinking can be made；
Application No. 201620805396.1, patent name are《Prefabricated concrete solid square pile》Disclose a kind of using wrong
Position skirtboard and grafting joint combination, using modified epoxy strengthen corrosion resistance, using rod iron or steel strand wires and transverse direction
The prefabricated concrete solid square pile of the combination of load enhancing muscle, the program use a kind of mode of mortise-tenon joint, connection side
Just, but can not gather materials on the spot needs specialized factory to produce.
The content of the invention
The purpose of this utility model is to provide a kind of wear-resistant corrosion-proof joint of precast square pile, safeguard structure entirety abrasion resistance
By force, reliability is high, it is ensured that the service life of pile foundation engineering.
To achieve these goals, the technical solution of the utility model is：A kind of wear-resistant corrosion-proof joint of precast square pile, bag
Include corrosion-inhibiting coating, pile body, it is characterised in that：Also include steel sleeve, annular square steel；The annular square steel is respectively welded in upper section stake
On the pre-buried steel hoop of lower section stake, the pre-buried steel hoop is embedded in section stake in advance respectively and lower section stake closes on connection stake steel cap
Region；The steel sleeve upper end is welded on the annular square steel in section stake, and the steel sleeve lower end is welded in lower section stake
On annular square steel；Ribbed stiffener is arranged between the annular square steel and pre-buried steel hoop, and each side of the annular square steel is respectively provided with
Three ribbed stiffeners；For the corrosion-inhibiting coating coated on connection stake steel cap outer surface, the annular square steel, which is arranged at, closes on connection
Stake steel cap area surfaces, the steel sleeve are arranged on the outside of the corrosion-inhibiting coating；The annular square steel and the steel sleeve are equal
It is square；The section length of side of the steel sleeve and the annular square steel is all higher than coating the pile body contact cross-section of corrosion-inhibiting coating
The length of side；The pre-buried steel hoop section length of side is equal with the pile body section length of side.
In the above-mentioned technical solutions, two U-shaped part splicings are welded into steel sleeve；Steel bushing tube thickness is about 3mm.Surveyed through experiment
Examination, the abrasive action of Pile side soil when 3mm thickness steel sleeves have sufficient intensity resistance pile foundation construction.
In the above-mentioned technical solutions, the section length of side of annular square steel is 15mmx18mm.
In the above-mentioned technical solutions, pre-buried steel hoop width is 100mm, needs enough width so as between steel hoop and pile body
Cohesive force resist Pile side soil frictional force enough；Pre-buried steel hoop thickness is 6mm, burn-through when avoiding welding.
Each side of annular square steel is respectively provided with three ribbed stiffeners, plays the connection strengthened between annular square steel and pre-buried steel hoop
Effect；Pre-buried steel hoop is not required to set dowel, is slid by steel plate and the direct cohesive force resistance of concrete；Steel sleeve both ends pass through weldering
Connect and be fixed on annular square steel, leave gap between steel sleeve and corrosion-inhibiting coating, steel sleeve can make corrosion-inhibiting coating and stake during pile sinking
Around soil isolation, avoid corrosion-inhibiting coating and be worn when pile foundation construction destruction.
The utility model has the following advantages that：
(1) by setting steel sleeve to completely cut off the soil around pile extension corrosion-inhibiting coating and stake, corrosion-inhibiting coating is avoided in pile foundation
Be worn destruction when construction；
(2) abrasion resistance is strong, and reliability is high, it is ensured that the service life of pile foundation engineering；
(3) material therefor is conventional easily buying material, without special processing.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is Fig. 1 A-A to structural representation.
Fig. 3 is Fig. 1 B-B direction structural representation.
1- steel sleeves in figure, 2- annular square steel, the pre-buried steel hoops of 3-, 4- corrosion-inhibiting coatings, 5- pile bodies, 6- ribbed stiffeners, 7- connect
Pile extension steel cap, stake is saved on 8-, stake is saved under 9-.
Embodiment
Describe performance of the present utility model in detail below in conjunction with the accompanying drawings, but they are not formed to of the present utility model
Limit, it is only for example.The advantages of making the utility model by explanation simultaneously, is more clear and is readily appreciated that.
Understood refering to accompanying drawing：A kind of wear-resistant corrosion-proof joint of precast square pile, including corrosion-inhibiting coating 4, pile body 5, its feature exist
In：Also include steel sleeve 1, annular square steel 2；The pre-buried steel bushing in upper section stake 8 and lower section stake 9 is respectively welded in the annular square steel 2
On hoop 3, the pre-buried steel hoop 3 is embedded in section stake 8 in advance respectively and lower section stake 9 closes on the region of connection stake steel cap 7；The steel bushing
The upper end of pipe 1 is welded on the annular square steel 2 in section stake 8, and the lower end of steel sleeve 1 is welded in the annular square steel 2 in lower section stake 9
On；Ribbed stiffener 6 is arranged between the annular square steel 2 and pre-buried steel hoop 3, and each side of the annular square steel 2 is respectively provided with three
The ribbed stiffener 6；For the corrosion-inhibiting coating 4 coated on the outer surface of connection stake steel cap 7, the annular square steel 2, which is arranged at, closes on connection
The area surfaces of stake steel cap 7, the steel sleeve 1 are arranged at the outside of corrosion-inhibiting coating 4；The annular square steel 2 and the steel bushing
Pipe 1 is square；The section length of side of the steel sleeve 1 and the annular square steel 2 is all higher than coating the pile body of corrosion-inhibiting coating 4
The 5 contact cross-section length of sides；The section length of side of pre-buried steel hoop 3 is equal with the section length of side of pile body 5.Two U-shaped part splicings are welded into
Steel sleeve 1；The thickness of steel sleeve 1 is about 3mm.The section length of side of annular square steel 2 is 15mmx18mm.Pre-buried steel hoop width is
100mm；The pre-buried thickness of steel hoop 3 is 6mm.
Other unaccounted parts belong to prior art.
Claims (4)
1. a kind of wear-resistant corrosion-proof joint of precast square pile, including corrosion-inhibiting coating (4), pile body (5), it is characterised in that：Also include steel
Sleeve pipe (1), annular square steel (2)；The pre-buried steel hoop in upper section stake (8) and lower section stake (9) is respectively welded in the annular square steel (2)
(3) on, the pre-buried steel hoop (3) is embedded in section stake (8) in advance respectively and lower section stake (9) closes on the region of connection stake steel cap (7)；
Steel sleeve (1) upper end is welded on the annular square steel (2) in section stake (8), and steel sleeve (1) lower end is welded in lower section
On annular square steel (2) in stake (9)；Ribbed stiffener (6) is arranged between the annular square steel (2) and pre-buried steel hoop (3), described
Each side of annular square steel (2) is respectively provided with three ribbed stiffeners (6)；The corrosion-inhibiting coating (4) is coated on connection stake steel cap (7) outside
Surface, the annular square steel (2), which is arranged at, closes on connection stake steel cap (7) area surfaces, and the steel sleeve (1) is arranged at described
On the outside of corrosion-inhibiting coating (4)；The annular square steel (2) and the steel sleeve (1) are square；The steel sleeve (1) and the ring
The section length of side of shape square steel (2) is all higher than coating the pile body (5) contact cross-section length of side of corrosion-inhibiting coating (4)；The pre-buried steel
Cuff (3) the section length of side is equal with pile body (5) section length of side.
A kind of 2. wear-resistant corrosion-proof joint of precast square pile according to claim 1, it is characterised in that：Two U-shaped part splicings
It is welded into steel sleeve (1)；Steel sleeve (1) thickness is 3mm.
A kind of 3. wear-resistant corrosion-proof joint of precast square pile according to claim 1 or 2, it is characterised in that：Annular square steel (2)
The section length of side be 15mmx18mm.
A kind of 4. wear-resistant corrosion-proof joint of precast square pile according to claim 3, it is characterised in that：Pre-buried steel hoop (3)
Width is 100mm；Pre-buried steel hoop (3) thickness is 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720465475.7U CN206916737U (en) | 2017-04-28 | 2017-04-28 | A kind of wear-resistant corrosion-proof joint of precast square pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720465475.7U CN206916737U (en) | 2017-04-28 | 2017-04-28 | A kind of wear-resistant corrosion-proof joint of precast square pile |
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| CN206916737U true CN206916737U (en) | 2018-01-23 |
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| CN201720465475.7U Active CN206916737U (en) | 2017-04-28 | 2017-04-28 | A kind of wear-resistant corrosion-proof joint of precast square pile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111958809A (en) * | 2020-08-20 | 2020-11-20 | 凡天建筑科技有限公司 | Method for manufacturing precast pile rod |
| CN114922167A (en) * | 2022-05-22 | 2022-08-19 | 中建八局第二建设有限公司 | Prefabricated square pile for geological condition of mud flat sludge, construction method and composition |
-
2017
- 2017-04-28 CN CN201720465475.7U patent/CN206916737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111958809A (en) * | 2020-08-20 | 2020-11-20 | 凡天建筑科技有限公司 | Method for manufacturing precast pile rod |
| CN114922167A (en) * | 2022-05-22 | 2022-08-19 | 中建八局第二建设有限公司 | Prefabricated square pile for geological condition of mud flat sludge, construction method and composition |
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