CN104070603B - For producing the tensioning component of end-plate-free prestressed-concrete pile - Google Patents
For producing the tensioning component of end-plate-free prestressed-concrete pile Download PDFInfo
- Publication number
- CN104070603B CN104070603B CN201410241440.6A CN201410241440A CN104070603B CN 104070603 B CN104070603 B CN 104070603B CN 201410241440 A CN201410241440 A CN 201410241440A CN 104070603 B CN104070603 B CN 104070603B
- Authority
- CN
- China
- Prior art keywords
- cutting ferrule
- tensioning
- aperture
- baffle
- anchor ring
- 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.)
- Active
Links
- 239000011513 prestressed concrete Substances 0.000 title claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 47
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 28
- 210000003205 muscle Anatomy 0.000 claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 230000002787 reinforcement Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000004567 concrete Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 210000002435 tendon Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
- B28B23/02—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members
- B28B23/04—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects wherein the elements are reinforcing members the elements being stressed
- B28B23/043—Wire anchoring or tensioning means for the reinforcements
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The present invention provides a kind of tensioning component for being used to produce Endless board prestress concrete-pile, and stretch board, several matched tensioning screw rods, cutting ferrule nut and anchor ring including being equipped with tensioning through hole further include support column, equipped with the baffle for wearing muscle hole.Cutting ferrule nut has the end of thread of perforation and cutting ferrule end, and the aperture at cutting ferrule end is less than the aperture of the end of thread；It is semiorbicular anchor ring in a pair of of cross section that is internally provided with of every a pair of cutting ferrule nut being threadedly coupled and tensioning screw rod；The internal diameter of anchor ring is more than the muscle portion diameter of presstressed reinforcing steel and is less than its pier nose diameter；The outer diameter of anchor ring is more than the aperture at cutting ferrule nut cutting ferrule end and is less than the aperture of its end of thread.The configuration of the present invention is simple, it is easy to use.In production, using the present invention, the use of end plate can be reduced, makes the simple and reasonable of finished peg, improves the quality of finished peg；The rapidoprint and expense of end plate are saved, reduces production cost；Simplify the production process of prestressed-concrete pile, improve production efficiency.
Description
Technical field
The present invention relates to a kind of building mould, more particularly, to a kind of for producing prestressed concrete square pile or pile pile
Tensioning component.
Background technology
It is developed since the 1960s and using prestressed-concrete pile in China.By the development of more than 50 years, in advance
Prestressed concrete stake is widely used in all kinds of build（Structure）The foundation engineering of object is built, such as harbour, harbour, high-rise, public
The fields such as building, general industry and civil buildings, highway, bridge.At present, China master prestressed-concrete pile to be used
There are pile pile and square pile.The structure member of both is similar, mainly including components such as steel reinforcement cage, concrete, end plate, anchor ear plates.
Concrete and steel reinforcement cage composition pile body.Steel reinforcement cage is made of non-prestressing tendon, deformed bar and tie hoop, passes through seam welder
Tie hoop is welded on non-prestressed and presstressed reinforcing steel.End plate is mutually assembled with steel reinforcement cage, is located at pile body both ends, in general, will
End plate close to stretching end is known as end plate, and the end plate that will be close to fixing end is known as holding tailgate.Anchor ear plate passes through welding with end plate
Or the modes such as riveting are fixed together, so that the further anchor ear of end plate is on pile body.
The assembling of end plate and steel reinforcement cage includes following key step：（1）By the presstressed reinforcing steel after non-prestressing tendon, heading and
Stirrup forms steel reinforcement cage by seam welder roll welding；（2）End plate and anchor ear plate are welded to form pile crown；（3）By after heading it is pre- should
Power muscle, which first passes through, wears muscle hole through end plate, then moves to counter sink, heading is made to be stuck in counter sink.It is completed by above-mentioned steps
After the assembling of end plate and steel reinforcement cage, the mold that the assembly of end plate and steel reinforcement cage is moved into prefabricated pile carries out tensioning.
At present, prestressed stretch-draw, generally use tensioning head method are carried out using stretching machine.Tensioning is carried out using tensioning head method
The pass order of power is stretching machine → tensioning head → tensioning screw → stretch board → end tailgate → presstressed reinforcing steel → end in the process
Plate → fixing end.From the pass order of more than power, end plate and end tailgate are intended to bear prestressing force, so as to fulfill in advance should
Power muscle applies prestressing force.
In tensioned prestressing bar, end plate plays an important role.But it is asked when carrying out tensioning using end plate there are following
Topic：（1）The processing and fabricating program of end plate is more, and material and processing charges are high；（2）Welding or riveting are needed when end plate is assembled with anchor ear plate
It connects, adds process, occupy cost of labor and device resource；（3）End plate material is thick and heavy, and anchor ear plate matter is thin light, assembling,
The deformation of anchor ear plate is easily caused during transport, storage and use, influences finished product quality of pile；（4）Include end in finished peg
Plate adds the cost of finished peg.
In conclusion reducing the use of end plate in prestressed-concrete pile, it can reach and save finished peg production cost,
Finished product quality of pile is improved, reduces production process, improves the purpose of production efficiency.
The content of the invention
Technical problem：In view of the deficienciess of the prior art, one kind is provided for producing Endless board prestress concrete
The tensioning component of stake.
Technical solution：Provided by the present invention for producing the tensioning component of Endless board prestress concrete-pile
, including stretch board, several tensioning screw rods corresponding with each presstressed reinforcing steel position, the stretch board is equipped with and tensioning
The matched tensioning through hole of screw rod, innovation are that it further includes support column, baffle, cutting ferrule nut and anchor ring；
The baffle is arranged in parallel with stretch board, and shape, size are matched with the mold of concrete-pile, and baffle is equipped with
It is corresponding with each presstressed reinforcing steel position to wear muscle hole；Support column vertical support is between stretch board and baffle；The quantity of cutting ferrule nut
Identical with the quantity of matched tensioning screw rod, cutting ferrule nut has the end of thread of perforation and cutting ferrule end, the aperture at cutting ferrule end
Less than the aperture of the end of thread；The cutting ferrule nut being threaded togather in every a pair and the inside of tensioning screw rod, are equipped with a pair
Cross section is semiorbicular anchor ring；The internal diameter of every anchor ring is more than the muscle portion diameter of presstressed reinforcing steel, less than the pier nose of presstressed reinforcing steel
Diameter；The outer diameter of every anchor ring is more than the aperture at cutting ferrule nut cutting ferrule end, less than the aperture of the cutting ferrule nut end of thread.
To be easily achieved balanced support of the support column between stretch board and baffle, the support column sets four.
For ease of installation of the support column between stretch board and baffle, the support column at least one end is fixed on tensioning
On plate or baffle.
Preferably, support column and stretch board to be made to form an entirety to be suitable for producing the concrete of various specifications
Stake, one end of the support column is fixed on stretch board, and the other end is not fixed with baffle, baffle become one it is independent flat
Plate.
Advantageous effect：The configuration of the present invention is simple, it is easy to use.Prestressed-concrete pile is produced using the present invention, is reduced
The use of end plate makes the simple and reasonable of finished peg, improves the quality of finished peg；Also save end plate rapidoprint and
Expense reduces production cost；Meanwhile the production process of prestressed-concrete pile is also simplified, improve production efficiency.
Description of the drawings
Fig. 1 is tensioning component side view.
Fig. 2 is stretch board front view
Fig. 3 is baffle front view.
Fig. 4 is cutting ferrule nut schematic diagram.
Fig. 5 is anchor ring sectional view.
Fig. 6 is that tensioning component uses the schematic top plan view in stretching end.
Fig. 7 uses rear-end schematic top plan view for tensioning component.
Have in figure：Stretch board 1, short steel column 2, baffle 3, cutting ferrule nut 4, tensioning screw rod 5, anchor ring 6, through hole 7, wear muscle hole 8,
The cutting ferrule end perforate 9 of cutting ferrule nut, tensioning wire hole 10, tensioning screw 11, presstressed reinforcing steel 12, end snap-gauge 13, tensioning nut 14.
Specific embodiment
Referring to attached drawing, the present invention is further illustrated with attached drawing with reference to embodiments.
Embodiment 1：Using in stretching end, production Endless board prestress concrete square pile.
The tensioning component of the present embodiment includes stretch board 1, several tensioning screw rods 5 corresponding with each 12 position of presstressed reinforcing steel,
The stretch board 1 be equipped with 5 matched tensioning through hole 7 of tensioning screw rod, further include support column 2, baffle 3, cutting ferrule nut 4 and anchor
Ring 6.One end vertical welding of four support columns 2 is fixed on stretch board 1, baffle 3 be an independent tablet, four support columns
2 are supported between stretch board 1 and baffle 3, make baffle 3 and 1 keeping parallelism of stretch board, form the main body of the present embodiment.Stretch board 1
Shape with baffle 3 is square, and length and width size is matched with the mold of concrete-pile, be which is provided with and each presstressed reinforcing steel 12
Position is corresponding to wear muscle hole 8.The quantity of cutting ferrule nut 4 and the quantity of tensioning screw rod matched with its screw thread 5 are identical, cutting ferrule nut
4 have the end of thread of perforation and cutting ferrule end, and the aperture of cutting ferrule end perforate 9 is less than the aperture of the end of thread, referring to Fig. 4.In every a pair
The cutting ferrule nut 4 being together by a threaded connection and the inside of tensioning screw rod 5 are equipped with a pair of of cross section as semiorbicular anchor ring
6, referring to Fig. 5, the internal diameter of every anchor ring 6 is more than the muscle portion diameter of presstressed reinforcing steel 12, and less than the pier nose diameter of presstressed reinforcing steel 12；
The outer diameter of every anchor ring 6 is more than the aperture at 4 cutting ferrule end of cutting ferrule nut, and less than the aperture of 4 end of thread of cutting ferrule nut, make anchor ring 6
It can block and be placed in cutting ferrule nut 4.
The installation of tensioning component：Tensioning wire hole 10 on stretch board 1 is connected with tensioning screw 11.In production, head plate is pre- for no reason
During prestressed concrete square pile, after presstressed reinforcing steel 12, non-prestressing tendon and stirrup are welded into steel reinforcement cage using seam welder, in reinforcing bar
One end installation anchor ear plate and end plate of cage.The other end installs tensioning component and stretching machine, is known as stretching end, in installation tensioning component
When, by the presstressed reinforcing steel 12 with heading through baffle 3 wear muscle hole 8 after, cutting ferrule nut 4 is sleeved on presstressed reinforcing steel 12, and is made
The cutting ferrule end in the cutting ferrule hole 9 carried on cutting ferrule nut 4 is towards baffle 3.Then, two anchor rings 6 are fastened on presstressed reinforcing steel 12
And it is caught in cutting ferrule nut 4.Mobile tensioning component, makes cutting ferrule nut 4 and 7 position alignment of tensioning through hole on stretch board 1, will open
Screw rod 5 is drawn to be screwed in through tensioning through hole 7 in cutting ferrule nut 4, presstressed reinforcing steel 12 is connected on stretch board 1.
After installation is complete, handling reinforcing bar cage body is put into the square pile die of dimension size tensioning component, makes to be connected with
Tensioning component one end is close to stretching machine, and the other end of the reinforcing bar cage body with anchor ear plate and end plate is away from stretching machine, referring to Fig. 6, Fig. 6
The schematic top plan view in stretching end is used for tensioning component.At end position, tensioning screw 11 passes through end snap-gauge 13, in stake tail
Position is secured with end plate connection by end tail snap-gauge, and two snap-gauges installed are arranged at the outside of mould ends.At the end of stake
The purpose that head position sets end snap-gauge 13 is after the completion of 12 tensioning of presstressed reinforcing steel, and die end is blocked by end snap-gauge 13
Portion ensures that tensioning component does not bounce back；It is the mistake in tensioned prestressing bar 12 that the purpose of end tail snap-gauge is set in the end afterbody position of stake
Ensure that end plate does not move in journey, so as to ensure in stretching process prestressed smooth application and remove presstressed reinforcing steel after stretching machine
Prestressing force in 12 will not lose.After installing two snap-gauges, tensioning screw 11 with stretching machine is connected securely, starts tensioning
Machine, tensioned prestressing bar 12.When prestressing force in presstressed reinforcing steel 12 reaches regulation requirement, stop tensioning, end snap-gauge 13 is blocked
Tightly in mould ends, removal stretching machine.Afterwards, by cloth, vibrate, it is pre- to complete head plate for no reason for handling, the processes such as steam press maintenance
After the making of prestressed concrete square pile, mold and tensioning component are dismantled.It should be noted that when dismantling tensioning component and be initially switched off stretch board
Presstressed reinforcing steel 12 between 1 and baffle 3 after removing tensioning component, then cuts off the presstressed reinforcing steel 12 of prominent pile body, keeps an end
It is smooth.
Then, the tensioning component of the present invention is dismantled, in case reusing.The present invention demounting procedure be：Unscrew tensioning spiral shell
Bar 5 and cutting ferrule nut 4 take out the broken end of anchor ring 6 and presstressed reinforcing steel 12 therein.
Embodiment 2：Using in tail end, production tailgate prestressed concrete square pile for no reason.
At the stake tail of single-unit stake and the non-pile extension end of more piece stake, tailgate for no reason can be produced using the present invention
Prestressed concrete square pile, referring to Fig. 7.
The present embodiment is differed only in embodiment 1, when using stake tail or other non-pile extension end in single-unit stake
When, stretching machine need not be connected with the present invention, thus the end snap-gauge 13 in embodiment 1 is not required in the present embodiment, so, this reality
It is bigger than baffle 3 to apply the stretch board 1 of example, stretch board 1 is not located in mold, is directly placed at outside mold tail end.
When using present invention production end-plate-free pile for prestressed pipe, the shape of stretch board 1, baffle 3 need to only be done and mutually strained
Change, in addition to rotary process, installation, production method and production Endless board prestress concrete square pile are essentially identical, this
Specification repeats no more.
Claims (4)
1. it is a kind of for producing the tensioning component of end-plate-free prestressed-concrete pile, including stretch board（1）And each presstressed reinforcing steel
（12）The corresponding several tensioning screw rods in position（5）, the stretch board（1）It is equipped with and tensioning screw rod（5）Matched tensioning through hole
（7）, which is characterized in that it further includes support column（2）, baffle（3）, cutting ferrule nut（4）And anchor ring（6）；
The baffle（3）With stretch board（1）It is arranged in parallel, shape, size are matched with the mold of concrete-pile, baffle（3）
It is equipped with and each presstressed reinforcing steel（12）Position is corresponding to wear muscle hole（8）；
Support column（2）Vertical support is in stretch board（1）And baffle（3）Between；
Cutting ferrule nut（4）Quantity and matched tensioning screw rod（5）Quantity it is identical, cutting ferrule nut（4）With perforation
The end of thread and cutting ferrule end, the aperture at cutting ferrule end are less than the aperture of the end of thread；
In the cutting ferrule nut that every a pair is threaded togather（4）And tensioning screw rod（5）Inside, being equipped with a pair of of cross section is
Semiorbicular anchor ring（6）；Every anchor ring（6）Internal diameter be more than presstressed reinforcing steel（12）Muscle portion diameter, less than presstressed reinforcing steel（12）
Pier nose diameter；Every anchor ring（6）Outer diameter be more than cutting ferrule nut（4）The aperture at cutting ferrule end, less than cutting ferrule nut（4）The end of thread
Aperture.
2. tensioning component as described in claim 1, it is characterised in that the support column（2）Set four.
3. tensioning component as claimed in claim 2, it is characterised in that the support column（2）At least one end is fixed on tensioning
Plate（1）Or baffle（3）On.
4. tensioning component as claimed in claim 3, it is characterised in that the support column（2）One end be fixed on stretch board
（1）On, the other end not with baffle（3）It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241440.6A CN104070603B (en) | 2014-05-30 | 2014-05-30 | For producing the tensioning component of end-plate-free prestressed-concrete pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241440.6A CN104070603B (en) | 2014-05-30 | 2014-05-30 | For producing the tensioning component of end-plate-free prestressed-concrete pile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104070603A CN104070603A (en) | 2014-10-01 |
| CN104070603B true CN104070603B (en) | 2018-06-01 |
Family
ID=51592415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241440.6A Active CN104070603B (en) | 2014-05-30 | 2014-05-30 | For producing the tensioning component of end-plate-free prestressed-concrete pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104070603B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104385454A (en) * | 2014-10-08 | 2015-03-04 | 威海齐德新型建材有限公司 | Common threaded steel tensioning device and prefabricated square pile process |
| CN104989106A (en) * | 2015-07-08 | 2015-10-21 | 宿迁市保祥重工有限公司 | Full prestress tension plate external member |
| CN106976156B (en) * | 2016-01-18 | 2022-09-09 | 周兆弟 | Tensioning plate assembly of concrete precast pile mould |
| CN107599158A (en) * | 2017-09-26 | 2018-01-19 | 汤始建华建材（苏州）有限公司 | A kind of process for prestressed component two directions tension |
| CN109176864A (en) * | 2018-09-12 | 2019-01-11 | 安徽中源建设有限公司 | A kind of equipment for fixed stretching reinforcing bar |
| CN113152449B (en) * | 2021-04-16 | 2022-12-02 | 建华建材（中国）有限公司 | End plate sheet, precast pile, tensioning structure and method, pile splicing structure and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227159Y (en) * | 1994-03-02 | 1996-05-15 | 四川省建筑科学研究院 | Compound anchoring device for pre-stress tension fibre reinforcment |
| JPH09254133A (en) * | 1996-03-25 | 1997-09-30 | Asahi Chem Ind Co Ltd | Attaching/detaching device of fixed plate for molding concrete pile |
| CN1718970A (en) * | 2005-07-27 | 2006-01-11 | 同济大学 | Intelligent prestress system |
| CN102390083A (en) * | 2011-07-29 | 2012-03-28 | 广东建华管桩有限公司 | Novel part assembly and method for stretching main steel bar in producing prestressed pipe pile |
| CN202200392U (en) * | 2011-07-29 | 2012-04-25 | 广东建华管桩有限公司 | Tensioning component for tensioning main reinforcements of pre-stressed pipe piles |
| CN202622987U (en) * | 2012-05-24 | 2012-12-26 | 宁波浙东新冈建材设备有限公司 | Tensioning tool for simultaneously manufacturing a plurality of prestressed concrete pipe piles |
| CN203937017U (en) * | 2014-05-30 | 2014-11-12 | 江苏固丰管桩集团有限公司 | Stretch-draw assembly for the production of end-plate-free prestressed-concrete pile |
-
2014
- 2014-05-30 CN CN201410241440.6A patent/CN104070603B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2227159Y (en) * | 1994-03-02 | 1996-05-15 | 四川省建筑科学研究院 | Compound anchoring device for pre-stress tension fibre reinforcment |
| JPH09254133A (en) * | 1996-03-25 | 1997-09-30 | Asahi Chem Ind Co Ltd | Attaching/detaching device of fixed plate for molding concrete pile |
| CN1718970A (en) * | 2005-07-27 | 2006-01-11 | 同济大学 | Intelligent prestress system |
| CN102390083A (en) * | 2011-07-29 | 2012-03-28 | 广东建华管桩有限公司 | Novel part assembly and method for stretching main steel bar in producing prestressed pipe pile |
| CN202200392U (en) * | 2011-07-29 | 2012-04-25 | 广东建华管桩有限公司 | Tensioning component for tensioning main reinforcements of pre-stressed pipe piles |
| CN202622987U (en) * | 2012-05-24 | 2012-12-26 | 宁波浙东新冈建材设备有限公司 | Tensioning tool for simultaneously manufacturing a plurality of prestressed concrete pipe piles |
| CN203937017U (en) * | 2014-05-30 | 2014-11-12 | 江苏固丰管桩集团有限公司 | Stretch-draw assembly for the production of end-plate-free prestressed-concrete pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104070603A (en) | 2014-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104070603B (en) | For producing the tensioning component of end-plate-free prestressed-concrete pile | |
| CN103114717B (en) | A kind of both sides, shrinkage joint shear wall formwork system | |
| KR101308043B1 (en) | Form and exposed concrete constructing method using the same | |
| CN208072231U (en) | A kind of bridge hollow board internal die support device | |
| CN105855434B (en) | Plate-girder steel reinforcement cage global formation sizing mould bases and construction method | |
| CN102689358B (en) | Tensioning component and tensioning method of prestressed endless sheet pile and pile including component | |
| CN201377141Y (en) | Reinforcing steel bar positioning clamp of reinforced concrete column | |
| CN104060607A (en) | Prestress steel pipe pile and production method of prestress steel pipe pile | |
| CN203937017U (en) | Stretch-draw assembly for the production of end-plate-free prestressed-concrete pile | |
| CN205588458U (en) | Empty core plate roof beam combination mandrel of narrow and small inner chamber prestressing force | |
| CN102619286B (en) | Connecting joint of steel pipe concrete column and profile steel concrete beam | |
| CN204343699U (en) | A kind of concrete column compressive pre-stress steel pile casting | |
| CN109083401A (en) | The template erection method and formwork structure of cylinder beam and frame girder connection | |
| CN102031831B (en) | Reinforcement cage containing high-strength concrete inclined column transferring node and construction method thereof | |
| CN203569699U (en) | Beam-column joint hooping framework | |
| KR101084700B1 (en) | Prestressed concrete girder using coupler and blockout and construction method thereof | |
| CN206360354U (en) | A kind of channel-section steel back cord | |
| CN208009263U (en) | Bridge cored slab core model floating structure is prevented using existing exhaust pipe tapping pipe | |
| CN206539005U (en) | Formwork structure for narrow and small movement joint both sides shear wall construction | |
| CN108252443A (en) | Bed die detachable hang formula steel bar girder floor slab structure and its construction method | |
| CN102975282A (en) | Method for forming unnonuniformly reinforcement-arranged precast pile | |
| CN107327066B (en) | Structure for the constraint of honeycomb core anti-floating | |
| CN207863153U (en) | A kind of building bar coagulation structure | |
| JP2012224991A (en) | Concrete pile | |
| CN105235065B (en) | Partial presressed pole tensioning, connecting and anchoring equipment and anchoring method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211014 Address after: 222047 room 337, building 2, Jiangsu Avenue SME Park, Xuwei new area, Lianyun District, Lianyungang City, Jiangsu Province Patentee after: Lianyungang Guquan new building materials Co.,Ltd. Address before: 223800 No. 1, Xuanyuan Avenue, Sucheng Economic Development Zone, Suqian City, Jiangsu Province Patentee before: JIANGSU GUFENG PILE GROUP Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Tensioning components for producing prestressed concrete piles without end plates Effective date of registration: 20230407 Granted publication date: 20180601 Pledgee: Bank of China Limited Lianyungang Economic and Technological Development Zone Branch Pledgor: Lianyungang Guquan new building materials Co.,Ltd. Registration number: Y2023980037576 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20180601 Pledgee: Bank of China Limited Lianyungang Economic and Technological Development Zone Branch Pledgor: Lianyungang Guquan new building materials Co.,Ltd. Registration number: Y2023980037576 |