CN102633472A - High-strength and high-durability pre-stressed concrete pile and production method thereof - Google Patents
High-strength and high-durability pre-stressed concrete pile and production method thereof Download PDFInfo
- Publication number
- CN102633472A CN102633472A CN2012101099405A CN201210109940A CN102633472A CN 102633472 A CN102633472 A CN 102633472A CN 2012101099405 A CN2012101099405 A CN 2012101099405A CN 201210109940 A CN201210109940 A CN 201210109940A CN 102633472 A CN102633472 A CN 102633472A
- Authority
- CN
- China
- Prior art keywords
- concrete
- pile
- durability
- gelling material
- water
- 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.)
- Pending
Links
Abstract
The invention discloses a high-strength and high-durability pre-stressed concrete pile and a production method thereof. The high-strength and high-durability pre-stressed concrete pile provided by the invention is formed by casting pumped high-strength concrete. The pumped high-strength concrete comprises the following components: a binding material, fine aggregate, coarse aggregate, a polycarboxylate high-property water reducing agent and water. The pre-stressed concrete pile provided by the invention has higher strength and anti-corrosive and durable properties.
Description
Technical field
The present invention relates to high-durability prestressed concrete-pile of a kind of HS and working method thereof.
Background technology
Prestressed-concrete pile has the bearing capacity of single pile height with it; Low price; Characteristics such as anti-bending strength is good, sinkability is little, steady quality is reliable, speed of application is fast, the duration is short, the working-yard is civilized, no sandstone, grout pollution have been widely used in Industrial buildings; Covil construction and bridge, foundation workss such as harbour.Wide day by day along with the prestressed-concrete pile range of application; And harsh geologic media; Like the engineering of the higher western part of corrosive medium concentration in ocean, harbour, cold district, the underground water, coastal and hinterland, also intensity and the endurance quality to prestressed-concrete pile proposed increasingly high requirement.The prestressed-concrete pile of domestic production at present be difficult to satisfy in architectural design, the practice of construction can (high frost resistance, high resisting erosion of sulfate, high chloride-penetration resistance) to high-durability requirement.
Therefore, need the high-durability prestressed concrete-pile of a kind of new HS to address the above problem.
Summary of the invention
Goal of the invention: the objective of the invention is provides high-durability prestressed concrete-pile of a kind of HS and working method thereof to the deficiency of prestressed-concrete pile aspect intensity and endurance quality in the prior art.
Technical scheme: for realizing the foregoing invention purpose, the high-durability prestressed concrete-pile of HS of the present invention can adopt following technical scheme:
The high-durability prestressed concrete-pile of a kind of HS; Build by the pumping high-strength concrete and to form; Said pumping high-strength concrete comprises following component: gelling material, fine aggregate, coarse aggregate, polycarboxylate high performance dehydragent and water, said concrete unit weight is 2400kg/m
3-2600kg/m
3, the consumption of gelling material is 300kg-500kg described in every cubic metre of said concrete, and water-cement ratio is 0.2-0.4, and sand coarse aggregate ratio is 35%-48%, and the solid volume of said polycarboxylate high performance dehydragent is the 0.2%-0.45% of said gelling material weight.
Beneficial effect: the high-durability prestressed concrete-pile of HS of the present invention adopts the pump concrete technology with respect to technology, the kind of existing concrete stake, makes the compaction rate of concrete-pile be greatly improved, and endurance quality is greatly improved; In pump concrete, use polycarboxylate high performance dehydragent, the intensity of concrete-pile is improved a lot; The solid volume of having optimized polycarboxylate high performance dehydragent combines with the pump concrete technology, has obtained the high-durability prestressed concrete-pile of beyond thought HS.
For realizing the foregoing invention purpose, the working method of the high-durability prestressed concrete-pile of HS of the present invention can adopt following technical scheme:
The working method of the high-durability prestressed concrete-pile of a kind of HS comprises the steps:
(1) with said fine aggregate and said gelling material; Put in the concrete mixer; Stirring is until evenly; Then 70～90% of the weight of said water is dropped into concrete mixers, stir again until evenly, drop into said coarse aggregate, polycarboxylate high performance dehydragent and remainder water at last successively and stir again until evenly;
(2) concrete that stirs in advance in the step (1) is evenly packed into through the pump machine be equipped with in the mould of the good reinforcement cage skeleton of stretch-draw, stretching force is the 70%-75% of the total tensile strength of deformed bar;
(3) concrete mould will be housed and carry out the centrifugal forming operation, until the concrete-pile moulding;
(4) treat that the mould that concrete and Framework Of Steel Reinforcement cage will be housed after the centrifugal end carries out atmospheric steam curing, the demoulding behind the atmospheric steam curing gets into autoclave again and carries out autoclave curing; The thermostat temperature of wherein said atmospheric steam curing is 65 ℃-95 ℃, and curing time is 4-6 hour; The constant voltage pressure of wherein said autoclave curing is 1.0 ± 0.05Mpa, and thermostat temperature is 160 ℃-200 ℃, and curing time is 6-8 hour.
Beneficial effect: the working method of the high-durability prestressed concrete-pile of HS of the present invention has adopted the pump concrete technology, makes that the compaction rate of concrete-pile is improved very much, and endurance quality is greatly improved; In pump concrete, use polycarboxylate high performance dehydragent, made the intensity of concrete-pile improve a lot; Adopt the pump concrete technology to produce concrete-pile, improved production efficiency, practiced thrift production cost, reduced working strength of workers, production environment is cleaner and tidier.
Embodiment
Pass through specific embodiment below; Further illustrate the present invention; Should understand these embodiment only be used to the present invention is described and be not used in the restriction scope of the present invention; After having read the present invention, those skilled in the art all fall within the application's accompanying claims institute restricted portion to the modification of the various equivalent form of values of the present invention.
Specific embodiment:
Embodiment 1
The high-durability prestressed concrete-pile of HS is built by pump concrete and to be formed, and the pump concrete component is made up of gelling material, sand, rubble, high-performance water reducing agent and water; Wherein concrete density is 2500kg/m
3, gelling material is cement and levigate sand according to the mixture of forming at 1: 0.5, and the consumption of gelling material is 420kg in every cubic meter of concrete, and water-cement ratio is 0.2; The fineness modulus of sand is 2.8, and sand coarse aggregate ratio is 38%; The particle diameter of rubble is 5mm-25mm, and crush values is 5%; Water reducer is a high performance water reducing agent of polyocarboxy acid, and the solid volume is 0.35% of a gelling material weight.
Production process:
(1) earlier to concrete mixer drop into sand, gelling material is stirred to evenly, adds 85% water then, stirs, and adds rubble at last, water reducer and remaining 15% water stir until evenly again.
The concrete that (2) will stir is in advance imported in the mould that matched moulds is good through concrete pump, in advance the good reinforcement cage skeleton of stretch-draw has been installed in the mould, and stretching force is 70% of the total tensile strength of deformed bar.
(3) treat that concrete pump is delivered to mould after, the mould that pump concrete is housed is carried out the centrifugal forming operation, until the concrete-pile moulding.
(4) after the centrifugal end, the mould that pump concrete and Framework Of Steel Reinforcement cage are housed is carried out atmospheric steam curing, atmospheric steam curing carries out the demoulding, cooling after finishing.The temperature of wherein said atmospheric steam curing is 85 ℃, and the time is 4.5 hours.
Place autoclave to carry out autoclave curing concrete-pile molded after the demoulding and that have certain intensity, after autoclave curing finished, concrete-pile cooled off, get final product final finished.The thermostat temperature of wherein said autoclave curing is 170 ℃, and pressure is 1.0 ± 0.05MPa, and the time is 7.0 hours.
(5) autoclave curing finishes, and can obtain finished product after the concrete-pile cooling, and can dispatch from the factory transports the building site injection to.
Embodiment 2
The high-durability prestressed concrete-pile of HS is built by pump concrete and to be formed, and pump concrete comprises: gelling material, sand, rubble, high-performance water reducing agent and water; Wherein the capacity of pump concrete is 2450kg/m
3, gelling material is cement and breeze according to the mixture of forming at 1: 0.6, and the consumption of gelling material is 400kg in every cubic metre of pump concrete, and water-cement ratio is 0.30; The fineness modulus of sand is 2.9, and sand coarse aggregate ratio is 43%; The particle diameter of rubble is 5mm-25mm, and crush values is 5%; Water reducer is a high performance water reducing agent of polyocarboxy acid, and the solid volume is 0.22% of a gelling material weight.
Production process:
(1) earlier to concrete mixer drop into sand, gelling material is stirred to evenly, adds 85% water then, stirs, and adds rubble at last, water reducer and remaining 15% water stir until evenly again.
The concrete that (2) will stir is in advance imported in the mould that matched moulds is good through concrete pump, in advance the good reinforcement cage skeleton of stretch-draw has been installed in the mould, and stretching force is about 70% of the total tensile strength of deformed bar.
(3) treat that concrete pump is delivered to mould after, the mould that pump concrete is housed is carried out the centrifugal forming operation, until the concrete-pile moulding.
(4) after the centrifugal end, the mould that pump concrete and Framework Of Steel Reinforcement cage are housed is carried out atmospheric steam curing, atmospheric steam curing carries out the demoulding, cooling after finishing.It is 80 ℃ that wherein said normal pressure steams steam-cured thermostat temperature, and the time is 5.0 hours.
Place autoclave to carry out high-pressure curing concrete-pile molded after the demoulding and that have certain intensity, after autoclave curing finished, concrete-pile cooled off, get final product final finished.The thermostat temperature of wherein said autoclave curing is 165 ℃, and pressure is 1.0 ± 0.05MPa, and the time is 7.5 hours.
(5) autoclave curing finishes, and can obtain finished product after the concrete-pile cooling, and can dispatch from the factory transports the building site injection to.
Embodiment 3
High-strength high durability concrete stake is built by pump concrete and to be formed, and pump concrete comprises: gelling material, sand, rubble, high performance water reducing agent of polyocarboxy acid and water; Wherein concrete density is 2550kg/m
3Gelling material is cement and levigate sand, breeze according to the mixture of forming at 1: 0.3: 0.3, and the consumption of gelling material is 420kg in every cubic metre of pump concrete, and water-cement ratio is 0.28; The fineness modulus of sand is 3.0, and sand coarse aggregate ratio is 46%; The particle diameter of rubble is 5mm-25mm, and crush values is 5%; Water reducer is a high performance water reducing agent of polyocarboxy acid, and the solid volume is 0.45% of a gelling material weight.
Production process:
(1) earlier to concrete mixer drop into sand, gelling material is stirred to evenly, adds 85% water then, stirs, and adds rubble at last, water reducer and remaining 15% water stir until evenly again.
The concrete that (2) will stir is in advance imported in the mould that matched moulds is good through concrete pump, in advance the good reinforcement cage skeleton of stretch-draw has been installed in the mould, and stretching force is 70% of the total tensile strength of deformed bar.
(3) treat that concrete pump is delivered to mould after, the mould that pump concrete is housed is carried out the centrifugal forming operation, until the concrete-pile moulding.
(4) after the centrifugal end, the mould that pump concrete and Framework Of Steel Reinforcement cage are housed is carried out atmospheric steam curing, atmospheric steam curing carries out the demoulding, cooling after finishing.The thermostat temperature of wherein said atmospheric steam curing is 85 ℃, and the time is 4.5 hours.
Place autoclave to carry out high-pressure curing concrete-pile molded after the demoulding and that have certain intensity, after autoclave curing finished, concrete-pile cooled off, get final product final finished.The thermostat temperature of wherein said autoclave curing is 160 ℃, and pressure is 1.0 ± 0.05MPa, and the time is 8.0 hours.
(5) autoclave curing finishes, and can obtain finished product after the concrete-pile cooling, and can dispatch from the factory transports the building site injection to.
Embodiment 4
The high-durability prestressed concrete-pile of HS is built by pump concrete and to be formed, and the pump concrete component is made up of gelling material, sand, rubble, high-performance water reducing agent and water; Wherein concrete density is 2400kg/m
3, gelling material is cement and levigate sand according to the mixture of forming at 1: 0.3, and the consumption of gelling material is 300kg in every cubic meter of concrete, and water-cement ratio is 0.35; The fineness modulus of sand is 2.3, and sand coarse aggregate ratio is 35%; The particle diameter of rubble is 5mm-25mm, and crush values is 5%; Water reducer is a high performance water reducing agent of polyocarboxy acid, and the solid volume is 0.2% of a gelling material weight.
Production process:
(1) earlier to concrete mixer drop into sand, gelling material is stirred to evenly, adds 70% water then, stirs, and adds rubble at last, water reducer and remaining 30% water stir until evenly again.
The concrete that (2) will stir is in advance imported in the mould that matched moulds is good through concrete pump, in advance the good reinforcement cage skeleton of stretch-draw has been installed in the mould, and stretching force is 75% of the total tensile strength of deformed bar.
(3) treat that concrete pump is delivered to mould after, the mould that pump concrete is housed is carried out the centrifugal forming operation, until the concrete-pile moulding.
(4) after the centrifugal end, the mould that pump concrete and Framework Of Steel Reinforcement cage are housed is carried out atmospheric steam curing, atmospheric steam curing carries out the demoulding, cooling after finishing.The temperature of wherein said atmospheric steam curing is 65 ℃, and the time is 6 hours.
Place autoclave to carry out autoclave curing concrete-pile molded after the demoulding and that have certain intensity, after autoclave curing finished, concrete-pile cooled off, get final product final finished.The thermostat temperature of wherein said autoclave curing is 200 ℃, and pressure is 1.0 ± 0.05MPa, and the time is 6.0 hours.
(5) autoclave curing finishes, and can obtain finished product after the concrete-pile cooling, and can dispatch from the factory transports the building site injection to.
Embodiment 5
The high-durability prestressed concrete-pile of HS is built by pump concrete and to be formed, and the pump concrete component is made up of gelling material, sand, rubble, high-performance water reducing agent and water; Wherein concrete density is 2600kg/m
3, gelling material is cement and levigate sand according to the mixture of forming at 1: 1, and the consumption of gelling material is 500kg in every cubic meter of concrete, and water-cement ratio is 0.4; The fineness modulus of sand is 3.5, and sand coarse aggregate ratio is 48%; The particle diameter of rubble is 5mm-25mm, and crush values is 5%; Water reducer is a high performance water reducing agent of polyocarboxy acid, and the solid volume is 0.35% of a gelling material weight.
Production process:
(1) earlier to concrete mixer drop into sand, gelling material is stirred to evenly, adds 90% water then, stirs, and adds rubble at last, water reducer and remaining 10% water stir until evenly again.
The concrete that (2) will stir is in advance imported in the mould that matched moulds is good through concrete pump, in advance the good reinforcement cage skeleton of stretch-draw has been installed in the mould, and stretching force is 75% of the total tensile strength of deformed bar.
(3) treat that concrete pump is delivered to mould after, the mould that pump concrete is housed is carried out the centrifugal forming operation, until the concrete-pile moulding.
(4) after the centrifugal end, the mould that pump concrete and Framework Of Steel Reinforcement cage are housed is carried out atmospheric steam curing, atmospheric steam curing carries out the demoulding, cooling after finishing.The temperature of wherein said atmospheric steam curing is 95 ℃, and the time is 4 hours.
Place autoclave to carry out autoclave curing concrete-pile molded after the demoulding and that have certain intensity, after autoclave curing finished, concrete-pile cooled off, get final product final finished.The thermostat temperature of wherein said autoclave curing is 160 ℃, and pressure is 1.0 ± 0.05MPa, and the time is 8.0 hours.
(5) autoclave curing finishes, and can obtain finished product after the concrete-pile cooling, and can dispatch from the factory transports the building site injection to.
The ultimate compression strength and the endurance quality index of the prestressed-concrete pile that embodiment 1,2,3,4,5 is made detect, and the result sees table 1:
The performance index table of table 1 concrete-pile
Table 1 shows that the high-durability prestressed concrete-pile of HS of the present invention is at the prestressed concrete pipe pile that more is superior to aspect intensity, the endurance quality index producing with normal concrete.
The high-durability prestressed concrete-pile of HS of the present invention to various models has carried out the detection of anti-bending strength, and detected result is found the concrete-pile mechanical property requirements of defined among cracking moment and the equal National standard GB13476-2009 of ultimate bending moment.
As stated, the high-durability prestressed concrete-pile of HS of the present invention adopts pumping high-strength concrete technology with respect to technology, the kind of existing concrete stake, makes that the compaction rate of concrete-pile is improved very much, and endurance quality is greatly improved; In the pumping high-strength concrete, use polycarboxylate high performance dehydragent, the intensity of concrete-pile is improved a lot; Optimized the solid volume of polycarboxylate high performance dehydragent, and combined the high-durability prestressed concrete-pile better effects if of the HS that obtains with the pump concrete technology.Make the high-durability prestressed concrete-pile of HS of the present invention more be superior to the prestressed-concrete pile that normal concrete is produced aspect intensity and the endurance quality.
Claims (6)
1. high-durability prestressed concrete-pile of HS; It is characterized in that; Build by the pumping high-strength concrete and to form; Said pumping high-strength concrete comprises following component: gelling material, fine aggregate, coarse aggregate, polycarboxylate high performance dehydragent and water, said concrete unit weight is 2400kg/m
3-2600kg/m
3, the consumption of gelling material is 300kg-500kg described in every cubic metre of said concrete, and water-cement ratio is 0.2-0.4, and sand coarse aggregate ratio is 35%-48%, and the solid volume of said polycarboxylate high performance dehydragent is the 0.2%-0.45% of said gelling material weight.
2. the high-durability prestressed concrete-pile of HS as claimed in claim 1; It is characterized in that: said gelling material is cement or cement and adulterant according to 1: 0.3～1 mixture formed, wherein said adulterant be in levigate sand, breeze or the flyash any one or multiple.
3. the high-durability prestressed concrete-pile of HS as claimed in claim 1 is characterized in that: the fineness modulus of said fine aggregate is 2.3-3.5.
4. the high-durability prestressed concrete-pile of HS as claimed in claim 1 is characterized in that: the particle diameter of said coarse aggregate is 5mm-25mm.
5. the high-durability prestressed concrete-pile of HS as claimed in claim 1 is characterized in that: said coarse aggregate is a rubble.
6. like the working method of the high-durability prestressed concrete-pile of each described HS of claim 1-5, it is characterized in that, comprise the steps:
(1) with said fine aggregate and said gelling material; Put in the concrete mixer; Stirring is until evenly; 70%-90% with the weight of said water drops into concrete mixer then, stirs until evenly again, drops into said coarse aggregate, polycarboxylate high performance dehydragent and remainder water at last successively and stirs until evenly again;
(2) concrete that stirs in advance in the step (1) is evenly packed into through the pump machine be equipped with in the mould of the good reinforcement cage skeleton of stretch-draw, stretching force is the 70%-75% of the total tensile strength of deformed bar;
(3) concrete mould will be housed and carry out the centrifugal forming operation, until the concrete-pile moulding;
(4) treat that the mould that concrete and Framework Of Steel Reinforcement cage will be housed after the centrifugal end carries out atmospheric steam curing, the demoulding behind the atmospheric steam curing gets into autoclave again and carries out autoclave curing; The thermostat temperature of wherein said atmospheric steam curing is 65 ℃-95 ℃, and curing time is 4-6 hour; The constant voltage pressure of wherein said autoclave curing is 1.0 ± 0.05Mpa, and thermostat temperature is 160 ℃-200 ℃, and curing time is 6-8 hour.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101099405A CN102633472A (en) | 2012-04-13 | 2012-04-13 | High-strength and high-durability pre-stressed concrete pile and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101099405A CN102633472A (en) | 2012-04-13 | 2012-04-13 | High-strength and high-durability pre-stressed concrete pile and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102633472A true CN102633472A (en) | 2012-08-15 |
Family
ID=46618074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101099405A Pending CN102633472A (en) | 2012-04-13 | 2012-04-13 | High-strength and high-durability pre-stressed concrete pile and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102633472A (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102797253A (en) * | 2012-08-24 | 2012-11-28 | 江苏建华管桩有限公司 | Precast concrete pile and manufacturing method thereof |
| CN102795821A (en) * | 2012-08-24 | 2012-11-28 | 江苏建华管桩有限公司 | Production method of ceramsite lightweight concrete batten by using non-autoclaved technology |
| CN102951877A (en) * | 2012-09-26 | 2013-03-06 | 北票电力电杆制造有限公司 | Manufacturing process for cement concrete product with super early strength and high strength |
| CN103086675A (en) * | 2013-02-07 | 2013-05-08 | 江苏东浦管桩有限公司 | Prestress corrosion preventing tubular pile used in coastal special geological conditions as well as manufacturing method thereof |
| CN103613332A (en) * | 2013-11-15 | 2014-03-05 | 泰州中海建材有限公司 | High-strength concrete of aggregate nickel-doped slag |
| CN104016640A (en) * | 2014-06-18 | 2014-09-03 | 上海建华管桩有限公司 | Non-autoclaved high-performance corrosion-resistant pile and preparation method thereof |
| CN104150828A (en) * | 2014-07-29 | 2014-11-19 | 深圳市顺昌龙商砼服务有限公司 | Pumping concrete, pumping concrete precast pile and production method thereof |
| CN104478303A (en) * | 2014-09-25 | 2015-04-01 | 佘季秋 | A preparing method of burn-free siliceous shale aggregate composite bonded concrete |
| CN104773982A (en) * | 2015-03-31 | 2015-07-15 | 仲恺农业工程学院 | Novel high performance concrete and preparation method thereof |
| CN108439911A (en) * | 2018-05-11 | 2018-08-24 | 安徽砼宇特构科技有限公司 | A kind of high durability concrete component and preparation method thereof |
| CN112252807A (en) * | 2020-09-24 | 2021-01-22 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel tube-concrete composite electric pole and preparation method thereof |
| CN112267747A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel pipe-ultra-high performance concrete composite electric pole and preparation method thereof |
| CN112267746A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Prestressed stainless steel pipe-concrete composite electric pole and preparation method thereof |
| CN112267743A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel pipe-ultra-high performance concrete composite electric pole and preparation method thereof |
| CN112267742A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Prestressed stainless steel pipe-concrete composite electric pole and preparation method thereof |
| CN112282482A (en) * | 2020-09-24 | 2021-01-29 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel tube-concrete composite electric pole and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172828A (en) * | 2007-10-17 | 2008-05-07 | 中国水电顾问集团贵阳勘测设计研究院 | High-performance hydraulic structure concrete and method for producing the same |
| CN102267180A (en) * | 2011-06-10 | 2011-12-07 | 江苏建华管桩有限公司 | Concrete pile production method free from steaming and pressing and pouring remaining slurry |
-
2012
- 2012-04-13 CN CN2012101099405A patent/CN102633472A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101172828A (en) * | 2007-10-17 | 2008-05-07 | 中国水电顾问集团贵阳勘测设计研究院 | High-performance hydraulic structure concrete and method for producing the same |
| CN102267180A (en) * | 2011-06-10 | 2011-12-07 | 江苏建华管桩有限公司 | Concrete pile production method free from steaming and pressing and pouring remaining slurry |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102795821A (en) * | 2012-08-24 | 2012-11-28 | 江苏建华管桩有限公司 | Production method of ceramsite lightweight concrete batten by using non-autoclaved technology |
| CN102797253A (en) * | 2012-08-24 | 2012-11-28 | 江苏建华管桩有限公司 | Precast concrete pile and manufacturing method thereof |
| CN102951877A (en) * | 2012-09-26 | 2013-03-06 | 北票电力电杆制造有限公司 | Manufacturing process for cement concrete product with super early strength and high strength |
| US9435095B2 (en) | 2013-02-07 | 2016-09-06 | Jiangsu Dongpu Pile. Co., Ltd. | Pre-stress corrosion-resistant tubular pile used in special coastal geological conditions and manufacturing method |
| CN103086675A (en) * | 2013-02-07 | 2013-05-08 | 江苏东浦管桩有限公司 | Prestress corrosion preventing tubular pile used in coastal special geological conditions as well as manufacturing method thereof |
| CN103086675B (en) * | 2013-02-07 | 2013-11-13 | 江苏东浦管桩有限公司 | Prestress corrosion preventing tubular pile used in coastal special geological conditions as well as manufacturing method thereof |
| WO2014121736A1 (en) * | 2013-02-07 | 2014-08-14 | 江苏东浦管桩有限公司 | Pre-stress corrosion-resistant tubular pile used in special coastal geological conditions and manufacturing method thereof |
| CN103613332A (en) * | 2013-11-15 | 2014-03-05 | 泰州中海建材有限公司 | High-strength concrete of aggregate nickel-doped slag |
| CN104016640A (en) * | 2014-06-18 | 2014-09-03 | 上海建华管桩有限公司 | Non-autoclaved high-performance corrosion-resistant pile and preparation method thereof |
| CN104150828A (en) * | 2014-07-29 | 2014-11-19 | 深圳市顺昌龙商砼服务有限公司 | Pumping concrete, pumping concrete precast pile and production method thereof |
| CN104478303A (en) * | 2014-09-25 | 2015-04-01 | 佘季秋 | A preparing method of burn-free siliceous shale aggregate composite bonded concrete |
| CN104773982A (en) * | 2015-03-31 | 2015-07-15 | 仲恺农业工程学院 | Novel high performance concrete and preparation method thereof |
| CN108439911A (en) * | 2018-05-11 | 2018-08-24 | 安徽砼宇特构科技有限公司 | A kind of high durability concrete component and preparation method thereof |
| CN112252807A (en) * | 2020-09-24 | 2021-01-22 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel tube-concrete composite electric pole and preparation method thereof |
| CN112267747A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel pipe-ultra-high performance concrete composite electric pole and preparation method thereof |
| CN112267746A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Prestressed stainless steel pipe-concrete composite electric pole and preparation method thereof |
| CN112267743A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel pipe-ultra-high performance concrete composite electric pole and preparation method thereof |
| CN112267742A (en) * | 2020-09-24 | 2021-01-26 | 惠州富盈新材料科技有限公司 | Prestressed stainless steel pipe-concrete composite electric pole and preparation method thereof |
| CN112282482A (en) * | 2020-09-24 | 2021-01-29 | 惠州富盈新材料科技有限公司 | Non-prestressed stainless steel tube-concrete composite electric pole and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102633472A (en) | High-strength and high-durability pre-stressed concrete pile and production method thereof | |
| CN101863079B (en) | Method for manufacturing prestressed concrete tubular pile | |
| CN102659373B (en) | High-performance corrosion-resisting concrete pile and preparation method thereof | |
| CN102491702A (en) | Concrete pile and preparation method thereof | |
| CN101581095B (en) | Anti-corrosive pre-stressed concrete pipe pile foundation | |
| CN105272020B (en) | A kind of heat resistance is 500 DEG C of C40 pump concretes | |
| CN102603233A (en) | Preparation method of high-durability prestressed centrifugal concrete pile | |
| CN102267180A (en) | Concrete pile production method free from steaming and pressing and pouring remaining slurry | |
| CN101723620A (en) | Polyvinyl alcohol fiber reinforced cement-based material composition and preparation method and application thereof | |
| CN103224374A (en) | Ecological type nanometer super high performance cement based composite material and preparation method thereof | |
| CN102951876A (en) | Vibration-free self-compacting concrete composition | |
| CN104291757A (en) | Non-autoclaved PHC (Pre-stressed High-strength Concrete) tubular pile suitable for corrosive environment | |
| CN107032695B (en) | Steel fiber self-compacting concrete, preparation method thereof and prefabricated part | |
| CN103922669B (en) | Prepare the concrete of PHC piles and the preparation method of pile tube | |
| CN104150835A (en) | Concrete pole | |
| CN107200524A (en) | A kind of superhigh intensity and high bond performance fibre reinforced concrete and preparation method thereof | |
| CN103317596A (en) | Method for manufacturing prestressed centrifugal anti-corrosion concrete hollow square piles through pre-tensioning method | |
| CN102126846B (en) | Manufacturing method for high pumping concrete | |
| CN103804620B (en) | A kind of naphthalene system poly carboxylic acid anti-subsided water reducer and preparation method thereof | |
| CN104420465A (en) | Prestressed concrete pile and production method thereof | |
| CN101745984A (en) | Production method of pretensioned prestressing strong concrete pipe piles | |
| CN103274648A (en) | Granite stone powder doped high-strength concrete tubular pile and production method thereof | |
| CN105884287A (en) | Non-autoclaved precast tubular pile and preparation method thereof | |
| CN102211908A (en) | Method for preparing high-performance concrete and application | |
| CN102491667A (en) | Plastic expanding agent used for cement base material shrinkage and compensation, its preparation method and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120815 |