CN110818326A - Artificial sand precast concrete pipe pile and manufacturing process - Google Patents
Artificial sand precast concrete pipe pile and manufacturing process Download PDFInfo
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- CN110818326A CN110818326A CN201911031978.3A CN201911031978A CN110818326A CN 110818326 A CN110818326 A CN 110818326A CN 201911031978 A CN201911031978 A CN 201911031978A CN 110818326 A CN110818326 A CN 110818326A
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- artificial sand
- raw materials
- water reducing
- reducing agent
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
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- 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
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- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses an artificial sand precast concrete pipe pile and a manufacturing process thereof, wherein the concrete pipe pile comprises the following raw materials in parts by weight: 300-600 parts of cement, 120-180 parts of fly ash, 1000-1100 parts of coal gangue, 850-900 parts of artificial sand and 10-20 parts of water reducing agent comprise the following raw materials in parts by weight: 300-600 parts of cement, 120-180 parts of fly ash, 1000-1100 parts of coal gangue, 850-900 parts of artificial sand and 10-20 parts of water reducing agent, wherein the manufacturing process of the concrete pipe pile comprises the following steps of S1, preparation of raw materials; s2, crushing and mixing the raw materials; s3, preparing a mould; and S4, forming the tubular pile. The invention has the advantages of convenient acquisition of raw materials, simple process and greatly reduced cost, can improve the pore structure and the sealing degree of concrete by using the coal ash powder, can greatly improve the water reducing effect by matching with the water reducing agent, and simultaneously replaces the common natural sand in the prior art by using the artificial sand, thereby protecting the environment, saving resources and meeting the requirements of sustainable development.
Description
Technical Field
The invention relates to the technical field of concrete pipe piles, in particular to an artificial sand precast concrete pipe pile and a manufacturing process thereof.
Background
At present, with the rapid development of urban construction, the modernization smell is gradually strong, and people are gradually widely applied to the pipe piles. The most common application is in building docks, buildings, highway facilities, industrial delivery rooms and the like, the most common application is the root of the application, the most common application is some characteristic factors of the tubular pile, the product structure of the tubular pile is reasonable, the specification and the variety are complete, the tubular pile can be effectively applied to different industries, and the tubular pile is favored and commented by a plurality of users. The pipe pile concrete has the characteristics of high strength, stability, safety and reliability in the using process, difficulty in bending and capability of well penetrating a dense sand layer.
In the prior art, natural sand is often used as one of raw materials to prepare concrete, but because the distribution of sand resources in China is uneven, natural sand resources in some regions are not abundant, such as Yunnan, Sichuan, Guizhou and other provinces, and river sand accounts for a small proportion in building sand in various provinces along the Yangtze river, the sand mining is limited in the Yangtze river at present, so that the contradiction of shortage of sand resources is increasingly prominent, and therefore an artificial sand precast concrete pipe pile and a manufacturing process are designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an artificial sand precast concrete tubular pile and a manufacturing process thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the artificial sand precast concrete tubular pile comprises the following raw materials in parts by weight: 300-600 parts of cement, 120-180 parts of fly ash, 1000-1100 parts of coal gangue, 850-900 parts of artificial sand and 10-20 parts of water reducing agent.
Preferably, the feed comprises the following raw materials in parts by weight: 500 parts of cement, 160 parts of fly ash, 1070 parts of coal gangue, 880 parts of artificial sand and 17 parts of water reducing agent.
Preferably, the water reducing agent is a lignosulfonate water reducing agent.
Preferably, the content of mud in the continuous-size coal gangue with the particle size of 8-20 mm is less than 0.5%.
Preferably, the fineness modulus of the artificial sand is 2.5-3.0, and the mud content is less than or equal to 1.0%
A process for preparing the artificial sand prefabricated concrete pipe pile includes such steps as preparing the concrete pipe pile,
s1, preparation of raw materials: weighing the weight of cement, fly ash, coal gangue, artificial sand and water reducing agent according to the proportion;
s2, crushing and mixing the raw materials: adding a proper amount of water into the stirrer, and then sequentially adding the raw materials weighed in the step S1 into the stirrer until the raw materials are uniformly mixed;
s3, preparation of mold: after the mould is fixed, coating a layer of release agent on the inner surface of the mould, and then putting the reinforcement cage framework into the mould;
s4, pipe pile forming: and (4) feeding the mixed raw materials in the step S2 into a mould, manually tamping, stretching the reinforcing steel bars by using a reinforcing steel bar tensioning device, then carrying out centrifugal forming, and pouring out residual slurry to obtain the formed concrete pipe pile.
Compared with the prior art, the invention has the beneficial effects that:
1. the raw materials are convenient to obtain, the process is simple, the coal ash is the main solid waste discharged by a coal-fired power plant, the coal gangue is the solid waste discharged in the coal mining process and the coal washing process, the artificial sand is convenient to obtain, the cost is greatly reduced, and the economic benefit is improved;
2. the coal ash powder can improve the pore structure of the concrete, increase the sealing degree, reduce the water consumption of the concrete and greatly improve the water reducing effect by matching with the water reducing agent;
3. according to the invention, the artificial sand is used for replacing common natural sand in the prior art, so that the effects of protecting the environment and saving resources can be achieved, the requirement of sustainable development is met, and the preparation method of the concrete is simple and convenient and is easy to operate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
The artificial sand precast concrete tubular pile comprises the following raw materials in parts by weight: 300 parts of cement, 120 parts of fly ash, 1000 parts of coal gangue, 850 parts of artificial sand and 10 parts of water reducing agent, wherein the water reducing agent is lignosulfonate water reducing agent, the coal gangue has continuous grain-size coal gangue with the grain diameter of 8, the mud content is lower than 0.5 percent, the fineness modulus of the artificial sand is 2.5, and the mud content is less than or equal to 1.0 percent.
Example two
The artificial sand precast concrete tubular pile comprises the following raw materials in parts by weight: 300-600 parts of cement, 140 parts of fly ash, 1020 parts of coal gangue, 860 parts of artificial sand and 12 parts of water reducing agent, wherein the water reducing agent is lignosulfonate water reducing agent, the coal gangue has a continuous grain grade coal gangue with the grain diameter of 12mm, the mud content is lower than 0.5%, the fineness modulus of the artificial sand is 2.5-3.0, and the mud content is less than or equal to 1.0%.
EXAMPLE III
The artificial sand precast concrete tubular pile comprises the following raw materials in parts by weight: 500 parts of cement, 160 parts of fly ash, 1070 parts of coal gangue, 880 parts of artificial sand and 17 parts of water reducing agent, wherein the water reducing agent is lignosulfonate water reducing agent, the coal gangue has continuous grain-size coal gangue with the grain diameter of 15mm, the mud content is lower than 0.5%, the fineness modulus of the artificial sand is 2.5-3.0, and the mud content is less than or equal to 1.0%.
Example four
The artificial sand precast concrete tubular pile comprises the following raw materials in parts by weight: 600 parts of cement, 180 parts of fly ash, 1100 parts of coal gangue, 900 parts of artificial sand and 20 parts of water reducing agent, wherein the water reducing agent is lignosulfonate water reducing agent, the coal gangue has continuous grain-size coal gangue with the grain diameter of 20mm, the mud content is lower than 0.5%, the fineness modulus of the artificial sand is 3.0, and the mud content is less than or equal to 1.0%.
The concrete pipe pile can be prepared by processing the raw materials in the embodiment by the following method, which comprises the following steps,
s1, preparation of raw materials: weighing the weight of cement, fly ash, coal gangue, artificial sand and water reducing agent according to the proportion;
s2, crushing and mixing the raw materials: adding a proper amount of water into the stirrer, and then sequentially adding the raw materials weighed in the step S1 into the stirrer until the raw materials are uniformly mixed;
s3, preparation of mold: after the mould is fixed, coating a layer of release agent on the inner surface of the mould, and then putting the reinforcement cage framework into the mould;
s4, pipe pile forming: and (4) feeding the mixed raw materials in the step S2 into a mould, manually tamping, stretching the reinforcing steel bars by using a reinforcing steel bar tensioning device, then carrying out centrifugal forming, and pouring out residual slurry to obtain the formed concrete pipe pile.
Four groups of examples four groups of concrete pipe piles prepared by the method are tested for flexural strength after 28 days, and the following table can be obtained:
as can be seen from the above table, the concrete pipe pile prepared in example three has the best flexural strength, that is, the concrete pipe pile prepared according to the raw material formula in example three is the best formula.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The artificial sand precast concrete tubular pile is characterized by comprising the following raw materials in parts by weight: 300-600 parts of cement, 120-180 parts of fly ash, 1000-1100 parts of coal gangue, 850-900 parts of artificial sand and 10-20 parts of water reducing agent.
2. The artificial sand precast concrete tubular pile according to claim 1, characterized by comprising the following raw materials in parts by weight: 500 parts of cement, 160 parts of fly ash, 1070 parts of coal gangue, 880 parts of artificial sand and 17 parts of water reducing agent.
3. The precast concrete tubular pile made of artificial sand of claim 1, wherein the water reducing agent is a lignosulfonate water reducing agent.
4. The artificial sand precast concrete tubular pile according to claim 1, characterized in that the coal gangue has continuous grain-size coal gangue with the grain size of 8-20 mm, and the mud content is lower than 0.5%.
5. The precast concrete tubular pile made of artificial sand as claimed in claim 1, wherein the fineness modulus of the artificial sand is 2.5-3.0, and the mud content is less than or equal to 1.0%.
6. A manufacturing process of an artificial sand precast concrete pipe pile is characterized by comprising the following steps of,
s1, preparation of raw materials: weighing the weight of cement, fly ash, coal gangue, artificial sand and water reducing agent according to the proportion;
s2, crushing and mixing the raw materials: adding a proper amount of water into the stirrer, and then sequentially adding the raw materials weighed in the step S1 into the stirrer until the raw materials are uniformly mixed;
s3, preparation of mold: after the mould is fixed, coating a layer of release agent on the inner surface of the mould, and then putting the reinforcement cage framework into the mould;
s4, pipe pile forming: and (4) feeding the mixed raw materials in the step S2 into a mould, manually tamping, stretching the reinforcing steel bars by using a reinforcing steel bar tensioning device, then carrying out centrifugal forming, and pouring out residual slurry to obtain the formed concrete pipe pile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911031978.3A CN110818326A (en) | 2019-10-28 | 2019-10-28 | Artificial sand precast concrete pipe pile and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911031978.3A CN110818326A (en) | 2019-10-28 | 2019-10-28 | Artificial sand precast concrete pipe pile and manufacturing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110818326A true CN110818326A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911031978.3A Pending CN110818326A (en) | 2019-10-28 | 2019-10-28 | Artificial sand precast concrete pipe pile and manufacturing process |
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Citations (2)
| 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 |
| CN109183782A (en) * | 2018-09-10 | 2019-01-11 | 福建宝丰管桩有限公司 | The anti-splitting prefabricated concrete pipe pile of one kind and production method |
-
2019
- 2019-10-28 CN CN201911031978.3A patent/CN110818326A/en active Pending
Patent Citations (2)
| 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 |
| CN109183782A (en) * | 2018-09-10 | 2019-01-11 | 福建宝丰管桩有限公司 | The anti-splitting prefabricated concrete pipe pile of one kind and production method |
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Application publication date: 20200221 |