阅读说明：本技术 一种高强度实心管桩的制备工艺 (Preparation process of high-strength solid pipe pile ) 是由 冯立新 于 2019-11-13 设计创作，主要内容包括：本发明公开了一种高强度实心管桩的制备工艺,包括矿粉90-135份,金刚砂80-90份,砂子600-700份,石子100-120份,胶凝材料40-45份,减水剂5-15份,水8-16份,钢纤维5-10份,胶凝材料为矿渣粉,粉煤灰,硅灰的混合料,在进行管桩浇筑的时候,在模具的内部设有匹配的钢筋笼支架,并将钢筋笼支架进行定位,管桩的内部全部采用物料进行填充,并采用震动器将浇筑在模具槽中的物料撼结实,静置直至管桩凝固成型,本发明制备的管桩不仅强度高,管桩抗压性好,耐腐蚀性好。(The invention discloses a preparation process of a high-strength solid pipe pile, which comprises 90-135 parts of mineral powder, 80-90 parts of carborundum, 700 parts of sand 600-containing materials, 120 parts of stones 100-containing materials, 40-45 parts of cementing materials, 5-15 parts of water reducing agents, 8-16 parts of water and 5-10 parts of steel fibers, wherein the cementing materials are mixtures of slag powder, fly ash and silica fume.)

1. A preparation process of a high-strength solid pipe pile is characterized by comprising the following steps: comprises 90-135 parts of mineral powder, 80-90 parts of carborundum, 700 parts of sand 600-containing sand, 120 parts of stones 100-containing sand, 40-45 parts of cementing materials, 5-15 parts of water reducing agents, 8-16 parts of water and 5-10 parts of steel fibers.

2. The preparation process of the high-strength solid pipe pile according to claim 1, wherein the preparation process comprises the following steps: 95 parts of mineral powder, 80 parts of carborundum, 650 parts of sand, 110 parts of stones, 42 parts of cementing materials, 8 parts of water reducing agent, 10 parts of water and 7 parts of steel fibers.

3. The preparation process of the high-strength solid pipe pile according to claim 1, wherein the preparation process comprises the following steps: the cementing material is a mixture of slag powder, fly ash, silica fume and high-efficiency setting cement.

4. The preparation process of the high-strength solid pipe pile according to claim 1, wherein the preparation process comprises the following steps: the water reducing agent is a polycarboxylic acid water reducing agent.

5. The preparation process of the high-strength solid pipe pile according to claim 1, wherein the preparation process comprises the following steps: the diameter of the steel fiber is 0.5-0.8 mm.

6. The preparation process of the high-strength solid pipe pile according to claim 1, wherein the preparation process comprises the following steps: the pipe pile release agent adopts one of synthetic paraffin and microcrystalline paraffin or a mixture of the synthetic paraffin and the microcrystalline paraffin.

7. The preparation process of the high-strength solid pipe pile according to claim 1, wherein the preparation process comprises the following steps: the stones are mixed materials of coarse stones and fine stones, the ratio of the coarse stones to the fine stones is 3:7, the diameter of the coarse stones is 8-13mm, and the diameter of the fine stones is 4-6 mm.

8. The preparation process for realizing the high-strength solid pipe pile of claim 1 comprises the following steps:

A. preparing a required material for pouring the tubular pile, and cleaning stones;

B. firstly, preparing dry powder materials for preparing the tubular pile according to a proportion, putting the prepared dry powder materials into a stirrer for stirring and mixing, and then adding a water reducing agent, a gelling agent and water for stirring and mixing;

C. coating a release agent on the inner wall of a die groove for pouring the tubular pile, and placing the prepared reinforcement cage bracket in the die groove;

D. pouring the stirred pouring material into a pouring mold groove, and shaking and compacting the material poured in the mold groove by using a shaker;

E. and standing and solidifying the poured pipe pile.

Technical Field

The invention relates to the technical field of tubular piles, in particular to a preparation process of a high-strength hollow square pile.

Background

At the end of the last 60 th century, the hogftai bridge factory of the Ministry of railways began to produce pretensioned prestressed concrete pipe piles (abbreviated as PC pipe piles), which were mainly used for the foundation construction of railway bridge engineering; the post-tensioning prestressed concrete pipe pile was developed and produced in the 70 s.

Since the 70 s, especially in the construction of Baoshan steel works in Shanghai, a large number of steel pipe piles introduced in Japan were used, which not only had high cost but also had poor durability. In order to meet the requirements of port construction development, the three navigation departments of the department of transportation in 1987 introduce a prestressed high-strength concrete pipe pile (PHC pipe pile for short) production line from Japan in a complete set, the main specification of the PHC pipe pile is from 600mm to 1000mm, in the later 80 s, Ningbo Zhedong cement product Limited company cooperates with related scientific research institutions, aiming at the characteristics of sludge weak geology in coastal areas of China, through the reconstruction of PC pipe piles, pretensioned prestressed concrete thin-wall pipe piles (PTC pipe piles for short) are developed, the main specifications of the PTC pipe piles are that the taper is 300mm to 600mm, 1989 to 1992, the former national building administration Suzhou concrete cement product research institute and Panyu city Qiaofeng cement product Limited company according to the actual conditions of China, through the digestion and absorption of the introduced tubular pile production line, the domestic prestressed high-strength concrete tubular pile is developed autonomously, and the achievement is listed as a national key promotion project by the original construction department in 1993.

At present, the use of tubular piles is more and more extensive, and platform is built in a lot of sleeps, especially builds the platform at the seaside, and the tubular pile soaks in aqueous for a long time, leads to the tubular pile to corrode with higher speed.

Disclosure of Invention

The invention aims to provide a preparation process of a high-strength hollow square pile, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a preparation process of a high-strength solid tubular pile comprises 90-135 parts of mineral powder, 80-90 parts of carborundum, 700 parts of sand 600-containing materials, 120 parts of stones 100-containing materials, 40-45 parts of cementing materials, 5-15 parts of a water reducing agent, 8-16 parts of water and 5-10 parts of steel fibers.

Preferably, the mineral powder comprises 95 parts of mineral powder, 80 parts of carborundum, 650 parts of sand, 110 parts of stones, 42 parts of cementing materials, 8 parts of water reducing agents, 10 parts of water and 7 parts of steel fibers.

Preferably, the cementing material is a mixture of slag powder, fly ash, silica fume and high-efficiency setting cement.

Preferably, the water reducing agent is a polycarboxylic acid water reducing agent.

Preferably, the steel fibers have a diameter of 0.5 to 0.8 mm.

Preferably, the pipe pile release agent is one of synthetic paraffin and microcrystalline paraffin or a mixture of the synthetic paraffin and the microcrystalline paraffin.

Preferably, the stones are mixed by coarse stones and fine stones, the ratio of the coarse stones to the fine stones is 3:7, the diameter of the coarse stones is 8-13mm, and the diameter of the fine stones is 4-6 mm.

Preferably, the preparation process of the high-strength solid pipe pile comprises the following steps:

A. preparing a required material for pouring the tubular pile, and cleaning stones;

B. firstly, preparing dry powder materials for preparing the tubular pile according to a proportion, putting the prepared dry powder materials into a stirrer for stirring and mixing, and then adding a water reducing agent, a gelling agent and water for stirring and mixing;

C. coating a release agent on the inner wall of a die groove for pouring the tubular pile, and placing the prepared reinforcement cage bracket in the die groove;

D. pouring the stirred pouring material into a pouring mold groove, and shaking and compacting the material poured in the mold groove by using a shaker;

E. and standing and solidifying the poured pipe pile.

Compared with the prior art, the invention has the beneficial effects that:

the tubular pile prepared by the invention has high strength, good pressure resistance and good corrosion resistance.

Detailed Description

The technical solutions in the embodiments of the present invention are 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides the following technical scheme: a preparation process of a high-strength solid pipe pile is characterized by comprising the following steps: comprises 90-135 parts of mineral powder, 80-90 parts of carborundum, 700 parts of sand 600-containing sand, 120 parts of stones 100-containing sand, 40-45 parts of cementing materials, 5-15 parts of water reducing agents, 8-16 parts of water and 5-10 parts of steel fibers.