CN106272953A - A kind of processing method of prestressed concrete reinforcing steel stake - Google Patents
A kind of processing method of prestressed concrete reinforcing steel stake Download PDFInfo
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- CN106272953A CN106272953A CN201610669406.8A CN201610669406A CN106272953A CN 106272953 A CN106272953 A CN 106272953A CN 201610669406 A CN201610669406 A CN 201610669406A CN 106272953 A CN106272953 A CN 106272953A
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- 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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/093—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
- B28B1/0935—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material using only elements wholly or partly immersed in the material, e.g. cores
-
- 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
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0075—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rods of limited length
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- 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
- E02D5/58—Prestressed concrete piles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Structural Engineering (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Paleontology (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
The processing method of a kind of prestressed concrete reinforcing steel stake, first prepares by interlaced equilateral triangle frame for the integrally-built steel reinforcement cage with internal layer steel reinforcement cage and outside steel reinforcement cage based on the high-strength stirrup of support；Prestressed concrete reinforcing steel stake finished product is obtained through maintenance molding in strong concrete is inserted the punching block of Steel-bar Pile；It provides the benefit that, the stability of triangle strengthens the intensity of steel reinforcement cage；Equilateral triangle can ensure that main muscle spacing is uniform；So steel reinforcement cage of processing and fabricating can be greatly improved intensity from structure；Additionally using prestressed concrete steel stick prepared by special formula and processing technique, the intensity of its rod iron itself has exceeded 2000MPa, and elongation percentage is more than 7%, and has preferable ductility and anti-delayed fracture characteristic, substantially increases shearing resistance, bending resistance, cracking resistance；And preparation cost just corresponds to the prestressed concrete steel stick of 1420MPa level, it is greatly saved cost.
Description
Technical field
The present invention relates to building element technical field, the processing method of a kind of prestressed concrete reinforcing steel stake.
Background technology
When bridges and culverts or high-building construction, needing to carry out basis piling as requested, method is with utilizing machine to rush
Hole and water mill boring, and hole depth reaches to design requirement, then transfers steel reinforcement cage to stake holes, is inserted into conduit and carries out concrete and water
Note.
In Building Engineering Design, prefabricated normal concrete Steel-bar Pile is extremely difficult to the tension than higher-strength,
During pile sinking buries, often there is crack in prefabricated pile, through permanent application, due to infiltration and the erosion of harmful substance, and can be big
The big service life shortening Steel-bar Pile.This steel reinforcement cage just requiring to provide high intensity.
Summary of the invention
The technical problem to be solved is to provide a kind of intensity height, processing technology is simple, consumptive material saves, working (machining) efficiency
High prestressed concrete reinforcing steel cage and the method with the concrete reinforcement stake of this fabrication of reinforcing cage, so as to obtain anti-
Cut, bending resistance, concrete reinforcement stake that cracking resistance is higher.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is adding of a kind of prestressed concrete reinforcing steel stake
Work method, it is characterised in that comprise the steps.
First integrally-built steel reinforcement cage is prepared, first according to setting the specification outer rectilineal hoop of making, outside in rectilineal hoop
The equilateral triangle frame that attaching two is reverse interleaved；Then by dome contacts and the equilateral triangle frame of outer rectilineal hoop and equilateral triangle frame
Limit carry out welding or colligation with the cross-point on limit, and reserved metal binding wire, make high-strength stirrup；Then multiple high intensity is taken
Stirrup, the main muscle of bind on reserved metal binding wire, until each reserved metal binding wire colligation is complete；Rectilineal hoop the most outside
On continue the main muscle of colligation according to setpoint distance, make beyond outer reinforcement cage based on rectilineal hoop；Then at outer layer steel reinforcement cage
Rectilineal hoop in attaching on the internal bind main muscle on cross-point；And continuing colligation according to setpoint distance on interior rectilineal hoop
Main muscle, internal layer steel reinforcement cage based on rectilineal hoop within making；Thus make with interlaced equilateral triangle frame for propping up
The integrally-built steel reinforcement cage with internal layer steel reinforcement cage and outside steel reinforcement cage based on the high-strength stirrup of support；The master of steel reinforcement cage
Muscle uses prestressed concrete steel stick.
Then strong concrete is prepared.
Prepare mould again, separant coating on mould；Steel reinforcement cage is arranged on mould and tightens tensioning equipment, by product
Bending resistance grade reinforcing bar is carried out pre-stretch-draw, reach locking anchoring after requirement, time delay verified after 25-35 minute, underproof benefit
Fill stretch-draw, until time delay calibration is qualified；In the strong concrete feeding punching block that the most progressively will prepare, then by electromagnetic shaker
It is inserted in concrete, starts to vibrate from bottom, and progressively feed strong concrete, the most upwards extract electromagnetic shaker simultaneously,
Until the strong concrete in punching block is all tamped.
Use steam curing molding according to the design strength class requirement of concrete, make the intensity of concrete reach 35,000,000
Handkerchief, then carry out the demoulding, obtains Steel-bar Pile just finished product, and it is steam-cured to carry out autoclave the most again, until concrete strength reaches 75 MPas,
Obtain prestressed concrete reinforcing steel stake finished product.
In above-mentioned, the method preparing prestressed concrete steel stick is.
The chemical component weight percentage ratio that it uses is: carbon 0.38%, silicon 0.45%, manganese 0.72%, chromium 0.75%, molybdenum 0.32%,
Tungsten 0.45%, copper 0.15%, phosphorus 0.015%, sulfur 0.013%, lanthanide rare 0.12%, residual elements 0-0.05%, surplus is ferrum；Wherein
The constituent mass percentage ratio of lanthanide rare is lanthanum 17%, cerium 23.5%, praseodymium 24.5%, neodymium 18%, dysprosium 13.5%, remaining lanthanide series
3.5%。
Its preparation method used is.
1. smelt in steel mill according to percentage by weight and roll into rod iron.
2. the rod iron rolled feeding induction heater is heated to 976 DEG C, keeps heating-up temperature duration 5 minutes.
3. rod iron sensing heated directly carries out Quenching Treatment with quenching liquid, and quenching rate of cooling controls to be 209
DEG C/s, quenching 17s cool time, make rod iron temperature be cooled to following 17 DEG C of Ms point.
4. the rod iron after quenching is heated to 545 DEG C through tempering, is incubated 15s.
5. the rod iron after tempering is cooled to room temperature, is first cooled to 360 with water-cooling method with the rate of cooling of 2.5 DEG C/s
DEG C, then air cooling is to 295 DEG C, then is cooled to 240 DEG C with water-cooling method with the rate of cooling of 2.5 DEG C/s, last air cooling to room temperature,
Obtain prestressed concrete steel stick.
The invention has the beneficial effects as follows, outer rectilineal hoop is built-in has set two reverse interleaved equilateral triangle framves, due to triangle
Shape has stability, after loading onto two staggered trianglees, more has stability；Equilateral triangle contacts with outer rectilineal hoop
Dome contacts is equally distributed, so can ensure that main muscle spacing is also uniform；So steel reinforcement cage of processing and fabricating can be from
Intensity it is greatly improved in structure；Additionally use prestressed concrete steel stick prepared by special formula and processing technique, its rod iron
The intensity of itself has exceeded 2000MPa, and elongation percentage is more than 7%, and has preferable ductility and anti-delayed fracture characteristic, significantly carries
High shearing resistance, bending resistance, cracking resistance；And preparation cost just corresponds to the prestressed concrete steel stick of 1420MPa level, it is greatly saved
Cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of prestressed concrete reinforcing steel stake of the present invention.
Fig. 2 is the structural representation of high-strength stirrup in the present invention.
In figure: outer rectilineal hoop, 2. equilateral triangle frame, 3. dome contacts, 4. cross-point, 5. high-strength stirrup, the most main muscle, 7.
Outer reinforcement cage, 8. in rectilineal hoop, 9. internal layer steel reinforcement cage, 10. strong concrete.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, and following example are intended to illustrate rather than this
The further restriction of invention, should not limit the scope of the invention with this.
Embodiment 1.
A kind of prestressed high strength concrete steel reinforcement cage of preparation, processing and fabricating in accordance with the following steps.
First integrally-built steel reinforcement cage is prepared, first according to setting the specification outer rectilineal hoop 1 of making, rectilineal hoop 1 outside
The equilateral triangle frame 2 that interior attaching two is reverse interleaved；Then by the dome contacts 3 and positive three of outer rectilineal hoop 1 with equilateral triangle frame 2
The limit of angular frame 2 carries out welding or colligation with the cross-point 4 on limit, and reserved metal binding wire, makes high-strength stirrup 5；Then take
Multiple high-strength stirrups 5, the main muscle of bind 6 on reserved metal binding wire, until each reserved metal binding wire colligation is complete；So
After continue the main muscle of colligation 6 according to setpoint distance on rectilineal hoop 1 outside, make beyond outer reinforcement cage 7 based on rectilineal hoop 1；
Then rectilineal hoop 8 in attaching on the main muscle 6 on cross-point 4 of the bind within outer layer steel reinforcement cage 7；And at interior rectilineal hoop 8
On continue the main muscle of colligation 6 according to setpoint distance, internal layer steel reinforcement cage 9 based on rectilineal hoop 8 within making；Thus made with
Interlaced equilateral triangle frame 2 be support high-strength stirrup 5 based on there is internal layer steel reinforcement cage 9 and outer reinforcement cage 7
Integrally-built steel reinforcement cage；Wherein the main muscle 6 of steel reinforcement cage uses prestressed concrete steel stick.
Then strong concrete 10 is prepared.
Prepare mould again, separant coating on mould；Steel reinforcement cage is arranged on mould and tightens tensioning equipment, by product
Bending resistance grade reinforcing bar is carried out pre-stretch-draw, reach locking anchoring after requirement, time delay verified after 25-35 minute, underproof benefit
Fill stretch-draw, until time delay calibration is qualified；The most progressively will prepare strong concrete feeding punching block in 10, then will vibrations
Device is inserted in concrete, starts to vibrate from bottom, and progressively feeding strong concrete 10, the most upwards extracts vibrations simultaneously
Device, until all tamping the strong concrete 10 in punching block.
Use steam curing molding according to the design strength class requirement of concrete, make the intensity of concrete reach 35,000,000
Handkerchief, then carry out the demoulding, obtains Steel-bar Pile just finished product, and it is steam-cured to carry out autoclave the most again, until concrete strength reaches 75 MPas,
Obtain prestressed concrete reinforcing steel stake finished product.
Embodiment 2.
Prepare steel bar for prestressed concrete.
The chemical component weight percentage ratio that it uses is: carbon 0.38%, silicon 0.45%, manganese 0.72%, chromium 0.75%, molybdenum 0.32%,
Tungsten 0.45%, copper 0.15%, phosphorus 0.015%, sulfur 0.013%, lanthanide rare 0.12%, residual elements 0-0.05%, surplus is ferrum；Wherein
The constituent mass percentage ratio of lanthanide rare is lanthanum 17%, cerium 23.5%, praseodymium 24.5%, neodymium 18%, dysprosium 13.5%, remaining lanthanide series
3.5%。
Its preparation method used is.
1. smelt in steel mill according to percentage by weight and roll into rod iron.
2. the rod iron rolled feeding induction heater is heated to 976 DEG C, keeps heating-up temperature duration 5 minutes.
3. rod iron sensing heated directly carries out Quenching Treatment with quenching liquid, and quenching rate of cooling controls to be 209
DEG C/s, quenching 17s cool time, make rod iron temperature be cooled to following 17 DEG C of Ms point.
4. the rod iron after quenching is heated to 545 DEG C through tempering, is incubated 15s.
5. the rod iron after tempering is cooled to room temperature, is first cooled to 360 with water-cooling method with the rate of cooling of 2.5 DEG C/s
DEG C, then air cooling is to 295 DEG C, then is cooled to 240 DEG C with water-cooling method with the rate of cooling of 2.5 DEG C/s, last air cooling to room temperature,
Obtain prestressed concrete steel stick.
Through inspection, its intensity is more than 7% more than 2100MPa, elongation percentage.
Claims (2)
1. the processing method of a prestressed concrete reinforcing steel stake, it is characterised in that comprise the steps:
First integrally-built steel reinforcement cage is prepared, first according to setting the specification outer rectilineal hoop of making (1), rectilineal hoop (1) outside
The equilateral triangle frame (2) that interior attaching two is reverse interleaved；Then by the dome contacts (3) of outer rectilineal hoop (1) Yu equilateral triangle frame (2)
And the limit of equilateral triangle frame (2) carries out welding or colligation with the cross-point (4) on limit, and reserved metal binding wire, make high intensity
Stirrup (5)；Then multiple high-strength stirrup (5) is taken, the main muscle of bind (6) on reserved metal binding wire, until each reserved
Metal binding wire colligation is complete；The most outside on rectilineal hoop (1) according to setpoint distance continue the main muscle of colligation (6), make beyond hoop
Outer reinforcement cage (7) based on muscle (1)；Then the main muscle on cross-point (4) of the bind in outer layer steel reinforcement cage (7) inside
(6) rectilineal hoop (9) in upper attaching；And on interior rectilineal hoop (8), continuing the main muscle of colligation (6) according to setpoint distance, within making
Internal layer steel reinforcement cage (9) based on rectilineal hoop (8)；Thus make with interlaced equilateral triangle frame (2) for support
Based on high-strength stirrup (5), there is internal layer steel reinforcement cage (9) and the integrally-built steel reinforcement cage of outer reinforcement cage (7)；Reinforcing bar
The main muscle of cage uses prestressed concrete steel stick；
Then strong concrete (10) is prepared；
Prepare mould again, separant coating on mould；Steel reinforcement cage is arranged on mould and tightens tensioning equipment, resisting by product
Reinforcing bar is carried out pre-stretch-draw by curved grade, reaches locking anchoring after requirement, and time delay verified after 25-35 minute, underproof supplementary
Draw, until time delay calibration is qualified；In strong concrete (10) the feeding punching block that the most progressively will prepare, then by electromagnetic shaker
It is inserted in concrete, starts to vibrate from bottom, and progressively feed strong concrete (10), the most upwards extract vibrations simultaneously
Device, until all tamping the strong concrete (10) in punching block；
Use steam curing molding according to the design strength class requirement of concrete, make the intensity of concrete reach 35 MPas, then
Carrying out the demoulding, obtain Steel-bar Pile just finished product, it is steam-cured to carry out autoclave the most again, until concrete strength reaches 75 MPas, obtains
Prestressed concrete reinforcing steel stake finished product.
The processing method of prestressed concrete reinforcing steel stake the most according to claim 1, it is characterised in that main muscle uses in advance should
Power concrete rod iron makes, and the method making prestressed concrete steel stick is:
The chemical component weight percentage ratio used is: carbon 0.38%, silicon 0.45%, manganese 0.72%, chromium 0.75%, molybdenum 0.32%, tungsten
0.45%, copper 0.15%, phosphorus 0.015%, sulfur 0.013%, lanthanide rare 0.12%, residual elements 0-0.05%, surplus is ferrum；Wherein lanthanum
Be the constituent mass percentage ratio of rare earth be lanthanum 17%, cerium 23.5%, praseodymium 24.5%, neodymium 18%, dysprosium 13.5%, remaining lanthanide series 3.5%；
The preparation method used is:
1. smelt in steel mill according to percentage by weight and roll into rod iron；
2. the rod iron rolled feeding induction heater is heated to 976 DEG C, keeps heating-up temperature duration 5 minutes；
3. rod iron sensing heated directly carries out Quenching Treatment with quenching liquid, and quenching rate of cooling controls to be 209 DEG C/s,
Quenching 17s cool time, makes rod iron temperature be cooled to following 17 DEG C of Ms point；
4. the rod iron after quenching is heated to 545 DEG C through tempering, is incubated 15s；
5. the rod iron after tempering is cooled to room temperature, is first cooled to 360 DEG C with water-cooling method with the rate of cooling of 2.5 DEG C/s,
Then air cooling is to 295 DEG C, then is cooled to 240 DEG C with water-cooling method with the rate of cooling of 2.5 DEG C/s, and last air cooling, to room temperature, obtains
To prestressed concrete steel stick.
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| CN201610669406.8A CN106272953A (en) | 2016-08-16 | 2016-08-16 | A kind of processing method of prestressed concrete reinforcing steel stake |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217200A (en) * | 2017-06-22 | 2017-09-29 | 合肥汇之新机械科技有限公司 | A kind of deformed bar and its processing method |
| CN108330956A (en) * | 2018-02-24 | 2018-07-27 | 东莞福瑞来建筑劳务有限责任公司 | A kind of foundation pit fender pile |
| CN112343040A (en) * | 2020-10-29 | 2021-02-09 | 李飞虎 | Prestressed high-strength concrete pipe pile |
| CN112376551A (en) * | 2020-11-04 | 2021-02-19 | 李飞虎 | High-strength precast concrete tubular pile |
| CN113026726A (en) * | 2021-03-17 | 2021-06-25 | 哈尔滨工业大学 | Large-diameter PHC (prestressed high-strength concrete) tubular pile of double-layer reinforcement cage and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011142534A2 (en) * | 2010-05-13 | 2011-11-17 | Song Ki-Yong | Concrete pile and method for producing same |
| JP2012214984A (en) * | 2011-03-31 | 2012-11-08 | Nippon Steel & Sumikin Metal Products Co Ltd | Concrete pile with outer shell steel pipe, and method of manufacturing the same |
| CN103484789A (en) * | 2013-09-16 | 2014-01-01 | 江苏天舜金属材料集团有限公司 | Steel bar for high-ductility and superhigh-strength pre-stressed concrete and machining method thereof |
| CN103639650A (en) * | 2013-11-21 | 2014-03-19 | 江苏天舜金属材料集团有限公司 | Manufacturing method of high-yield non-bonding prestress steel bar |
| CN103643125A (en) * | 2013-11-21 | 2014-03-19 | 江苏天舜金属材料集团有限公司 | Steel bar for prestress concrete, and production process thereof |
| CN203625886U (en) * | 2013-12-09 | 2014-06-04 | 浙江中技桩业有限公司 | Prefabricated concrete square pile with high strength |
| CN104416675A (en) * | 2013-09-02 | 2015-03-18 | 青岛兴河建材有限公司 | Manufacturing process of pre-tensioned prestressed centrifugal concrete square pile |
| CN204645032U (en) * | 2015-04-30 | 2015-09-16 | 四川省建筑科学研究院 | A kind of cracking resistance prestress high intensity concrete preformed pile |
-
2016
- 2016-08-16 CN CN201610669406.8A patent/CN106272953A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011142534A2 (en) * | 2010-05-13 | 2011-11-17 | Song Ki-Yong | Concrete pile and method for producing same |
| JP2012214984A (en) * | 2011-03-31 | 2012-11-08 | Nippon Steel & Sumikin Metal Products Co Ltd | Concrete pile with outer shell steel pipe, and method of manufacturing the same |
| CN104416675A (en) * | 2013-09-02 | 2015-03-18 | 青岛兴河建材有限公司 | Manufacturing process of pre-tensioned prestressed centrifugal concrete square pile |
| CN103484789A (en) * | 2013-09-16 | 2014-01-01 | 江苏天舜金属材料集团有限公司 | Steel bar for high-ductility and superhigh-strength pre-stressed concrete and machining method thereof |
| CN103639650A (en) * | 2013-11-21 | 2014-03-19 | 江苏天舜金属材料集团有限公司 | Manufacturing method of high-yield non-bonding prestress steel bar |
| CN103643125A (en) * | 2013-11-21 | 2014-03-19 | 江苏天舜金属材料集团有限公司 | Steel bar for prestress concrete, and production process thereof |
| CN203625886U (en) * | 2013-12-09 | 2014-06-04 | 浙江中技桩业有限公司 | Prefabricated concrete square pile with high strength |
| CN204645032U (en) * | 2015-04-30 | 2015-09-16 | 四川省建筑科学研究院 | A kind of cracking resistance prestress high intensity concrete preformed pile |
Non-Patent Citations (4)
| Title |
|---|
| 中国建筑标准设计研究院等: "《混凝土结构施工图平面整体表示方法制图规则和构造详图（11G101-1）》", 31 August 2011, 中国计划出版社 * |
| 刘明维等: "《桩基工程》", 28 February 2015, 中国水利水电出版社 * |
| 郑少瑛等: "《土木工程施工技术（第2版）》", 31 May 2014, 中国电力出版社 * |
| 郭琦: "《钢筋工由新手变高手》", 31 January 2015, 金盾出版社 * |
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| CN108330956A (en) * | 2018-02-24 | 2018-07-27 | 东莞福瑞来建筑劳务有限责任公司 | A kind of foundation pit fender pile |
| CN112343040A (en) * | 2020-10-29 | 2021-02-09 | 李飞虎 | Prestressed high-strength concrete pipe pile |
| CN112376551A (en) * | 2020-11-04 | 2021-02-19 | 李飞虎 | High-strength precast concrete tubular pile |
| CN112376551B (en) * | 2020-11-04 | 2022-01-14 | 上海民航新时代机场设计研究院有限公司 | High-strength precast concrete tubular pile |
| CN113026726A (en) * | 2021-03-17 | 2021-06-25 | 哈尔滨工业大学 | Large-diameter PHC (prestressed high-strength concrete) tubular pile of double-layer reinforcement cage and preparation method thereof |
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