Preparation formula determination method of anti-corrosion magnesium pipe pile, preparation method and magnesium pipe pile

Abstract

The invention belongs to the technical field of salt resistance and corrosion prevention, and provides a preparation formula determination method of an anti-corrosion magnesium pipe pile, a preparation method and the magnesium pipe pile, firstly, according to a preset construction scene of the to-be-prepared pipe pile, the to-be-prepared pipe pile is divided into an underwater area, a splash area and an atmospheric area; then formulating formulas of materials required for preparing the pipe pile according to different areas, using magnesium concrete in the preparation formulas of the underwater area, the splash area and the atmospheric area to ensure the overall corrosion resistance of the pipe pile, using an anti-freezing agent and a preservative in the formula of the underwater area to reduce the direct damage of seawater to the pipe pile, and improving the corrosion resistance of the pipe pile. Carborundum and a waterproof compacting agent are used in the formula of the splash zone, the impact resistance is improved on the basis of improving the corrosion resistance, impact damage of seawater to the pipe pile is avoided, the waterproof compacting agent is added in the preparation formula of the atmosphere zone, and the economical efficiency is improved on the basis of improving the corrosion resistance; and the surface layer of the pipe pile does not need to be coated with a preservative, so that the requirement on a preparation process is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of salt resistance and corrosion resistance, and in particular relates to a method for determining a preparation formula of an anti-corrosion magnesium pipe pile, a preparation method and the magnesium pipe pile. Background Art

[0002] As an important new field of new energy development, offshore photovoltaic has the advantages of great development potential, high comprehensive benefits and friendly industry environment. However, the development of offshore and tidal flat photovoltaic industry has put forward higher requirements on the salt resistance, corrosion resistance and impact resistance of pipe piles.

[0003] The inventors found that in order to improve the salt resistance and corrosion resistance of pipe piles, the current measures generally include coating the entire surface of the pipe pile with an anticorrosive agent, or improving the corrosion resistance by changing the preparation formula of the pipe pile. However, coating the entire surface of the pipe pile with an anticorrosive agent not only increases the preparation process, but also causes rapid corrosion of the pipe pile by seawater after the coating is damaged during long-term use; the method of improving the corrosion resistance by changing the preparation formula of the pipe pile is generally costly, and the impact resistance and stability of the pipe pile prepared by using a formula that is solely considered to improve the corrosion resistance cannot be guaranteed. Summary of the invention

[0004] In order to solve the above problems, the present invention proposes a method for determining a preparation formula of an anti-corrosion magnesium pipe pile, a preparation method and a magnesium pipe pile. The present invention first divides the pipe piles to be prepared into zones, and then specifies different formulas for the pipe piles in different zones. The pipe piles prepared in this way can improve the impact resistance, economy and stability while ensuring corrosion resistance, and there is no need to coat the surface of the pipe piles with an anti-corrosion agent, thereby reducing the requirements for the preparation process.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0006] In a first aspect, the present invention provides a method for determining a preparation formula of an anti-corrosion magnesium pipe pile, comprising:

[0007] According to the preset construction scene of the pipe piles to be prepared, the pipe piles to be prepared are divided into underwater area, splash area and atmospheric area;

[0008] The preparation formula of the underwater zone includes magnesia concrete, waterproof compacting agent, antifreeze agent and preservative; the preparation formula of the splash zone includes magnesia concrete, corundum and waterproof compacting agent; the preparation formula of the atmospheric zone includes magnesia concrete and waterproof compacting agent.

[0009] Furthermore, the underwater area is the area between the lowest water level and the bottom of the pile in the preset construction scene; the splash zone is the area between the lowest water level and a preset height above the highest water level in the preset construction scene; and the atmospheric zone is the area between the preset height above the highest water level and the top of the pile in the preset construction scene.

[0010] Furthermore, the preparation formula of the underwater zone includes 400-440 parts of light-burned powder, 300-340 parts of brine, 2-4 parts of speed regulator, 2-2.5 parts of emulsion, 1100-1450 parts of gravel, 650-900 parts of river sand, 20-44 parts of microsilica powder, 0.3-0.5 parts of silicone waterproofing agent, and 4-20 parts of antifreeze.

[0011] Furthermore, the preparation formula of the underwater zone is 420 parts of light-burned powder, 315 parts of brine, 3.2 parts of speed regulator, 2.1 parts of emulsion, 40 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 10 parts of antifreeze, 1350 parts of gravel, and 680 parts of river sand.

[0012] Furthermore, the preparation formula of the splash zone includes 450-480 parts of light-burned powder, 350-390 parts of brine, 2-5 parts of speed regulator, 2-2.5 parts of emulsion, 1100-1500 parts of crushed stone, 600-900 parts of river sand, 17-45 parts of microsilica powder, and 0.3-0.5 parts of silicone waterproofing agent.

[0013] Furthermore, the formula of the splash zone is 400 parts of light-burned powder, 400 parts of brine, 3 parts of speed regulator, 25 parts of corundum, 2.3 parts of emulsion, 35 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 1200 parts of gravel, and 600 parts of river sand.

[0014] Furthermore, the preparation formula of the atmospheric zone includes 350-450 parts of light-burned powder, 350-450 parts of brine, 2-5 parts of speed regulator, 1.5-2.5 parts of emulsion, 1100-1350 parts of crushed stone, 500-800 parts of river sand, 17-45 parts of microsilica powder, and 0.3-0.5 parts of silicone waterproofing agent.

[0015] Furthermore, the formula package for the atmospheric zone is 450 parts of burnt powder, 370 parts of brine, 3 parts of speed regulator, 2.5 parts of emulsion, 30 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 1200 parts of gravel, and 600 parts of river sand.

[0016] In a second aspect, the present invention further provides a method for preparing a magnesium pipe pile, comprising:

[0017] Spray galvanizing on the pre-prepared steel bars; tie the steel cage, put it into the mold and insert the partition;

[0018] According to the preparation formula of the anti-corrosion magnesium pipe pile as described in the first aspect, pouring grouting material in different areas;

[0019] The partitions are extracted, the steel bars are tensioned, centrifugal forming is performed, curing and solidification is performed, and demoulding is performed.

[0020] In a third aspect, the present invention further provides a magnesium pipe pile, which is prepared by the formula determined in the method for determining the preparation formula of the anti-corrosion magnesium pipe pile described in the first aspect.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The present invention first divides the pipe piles to be prepared into an underwater area, a wave splash area and an atmospheric area according to the preset construction scene of the pipe piles to be prepared; then, the formulas of materials required for preparing the pipe piles are formulated according to different areas, wherein the preparation formula of the underwater area includes magnesia concrete, a waterproof compacting agent, an antifreeze agent and an anticorrosive agent; the preparation formula of the wave splashing area includes magnesia concrete, corundum and a waterproof compacting agent, and the preparation formula of the atmospheric area includes magnesia concrete and a waterproof compacting agent; on the basis of using magnesia concrete as a whole to ensure the anti-corrosion property, antifreeze agents and anticorrosive agents are used in the formula of the underwater area, thereby reducing the direct impact of seawater on the pipe piles. In order to prevent direct damage, corundum and waterproof compacting agent are used in the formula of the splash zone, which improves the impact resistance on the basis of improving the corrosion resistance, and avoids the impact damage to the pipe piles by seawater. Waterproof compacting agent is added to the preparation formula of the atmospheric zone, which improves the economy on the basis of improving the corrosion resistance. In summary, the present invention first divides the pipe piles to be prepared into zones, and then specifies different formulas for the pipe piles in different intervals. The pipe piles prepared in this way can improve the impact resistance, economy and stability on the basis of ensuring the corrosion resistance, and there is no need to coat the surface of the pipe piles with preservatives, thereby reducing the requirements for the preparation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings in the specification that constitute a part of this embodiment are used to provide a further understanding of this embodiment. The schematic embodiments of this embodiment and their descriptions are used to explain this embodiment and do not constitute improper limitations on this embodiment.

[0024] Figure 1 This is a schematic diagram of the process of Example 1 of the present invention. DETAILED DESCRIPTION

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] It should be noted that the following detailed descriptions are exemplary and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0027] Light-burned powder, magnesite calcined at 750-1100℃ is called "light burning", and its product is called light-burned magnesium powder, abbreviated as light-burned powder.

[0028] Speed ​​regulator, which can be mortar quick setting agent or accelerator, such as copper sulfate and aluminum sulfate;

[0029] Antifreeze is an admixture that can make concrete harden at negative temperatures and achieve the expected performance and sufficient antifreeze strength under specified curing conditions. It is a substance that can prevent the water in the material from freezing at low temperatures.

[0030] Embodiment 1:

[0031] In response to the deficiencies raised in the background technology, the present embodiment provides a method for determining the preparation formula of anti-corrosion magnesium pipe piles, and a method for preparing magnesium pipe piles according to the formula, which have the advantages of corrosion resistance, salt resistance, and impact resistance for the pipe piles, and solves the problem that the pipe piles are not well resistant to salt, corrosion, and impact.

[0032] Firstly, according to the preset construction scene of the pipe piles to be prepared, the pipe piles to be prepared are divided into an underwater area, a splash zone and an atmospheric area; then, the preparation formula of the underwater area includes magnesia concrete, a waterproof compacting agent, an antifreeze agent and a preservative; the preparation formula of the splash zone includes magnesia concrete, corundum and a waterproof compacting agent, and the preparation formula of the atmospheric zone includes magnesia concrete and a waterproof compacting agent.

[0033] In this embodiment, the underwater area is the area from the lowest water level to the bottom of the pile in the preset construction scene; the splash zone is the area from the lowest water level to a preset height above the highest water level in the preset construction scene; the atmospheric area is the area from a preset height above the highest water level to the top of the pile in the preset construction scene. In one embodiment, optionally, the underwater area is the area from the lowest water level to the bottom of the pile, the splash zone is the area from the lowest water level to the highest water level plus 1 meter, and the atmospheric area is the area from the highest water level plus 1 meter to the top of the pile.

[0034] In this embodiment, the distinction between the underwater area, the splash zone and the atmospheric zone, and the formulation of a formula for each area can ensure and improve the salt resistance, corrosion resistance and impact resistance of the pipe piles, avoid the problem of poor salt resistance, corrosion resistance and impact resistance of the existing pipe piles when they are in use, and solve the problem of corrosion of the pipe piles when used for a long time, which makes the offshore pipe piles unable to be used normally. It is suitable for popularization and use. Specifically, on the basis of using magnesium concrete as a whole to ensure corrosion resistance, antifreeze and preservatives are used in the formula of the underwater zone to reduce the direct damage of seawater to the pipe piles; corundum and waterproofing and compacting agents are used in the formula of the splash zone to improve the impact resistance on the basis of improving the corrosion resistance and avoid the impact damage to the pipe piles by seawater; waterproofing and compacting agents are added to the preparation formula of the atmospheric zone to improve the economy on the basis of improving the corrosion resistance; in summary, the present invention first divides the pipe piles to be prepared into zones, and then specifies different formulas for the pipe piles in different intervals. The pipe piles prepared in this way can improve the impact resistance, economy and stability on the basis of ensuring corrosion resistance, and there is no need to coat the surface of the pipe piles with preservatives, thereby reducing the requirements for the preparation process.

[0035] This embodiment uses magnesium gelling materials, composite functional materials and additives that are highly compatible with seawater to prepare salt-resistant and anti-corrosion magnesium pipe piles, which can not only overcome the problem of underwater mud corrosion, but also resist the impact and erosion of waves. Specifically:

[0036] The formula of the underwater zone can be optionally:

[0037] 400-440 parts of light-burned powder, 300-340 parts of brine, 2-4 parts of speed regulator, 2-2.5 parts of emulsion, 1100-1450 parts of gravel, 650-900 parts of river sand, 20-44 parts of microsilica powder, 0.3-0.5 parts of silicone waterproofing agent, and 4-20 parts of antifreeze.

[0038] The optional formula for the splash zone is: 450-480 parts of light-burned powder, 350-390 parts of brine, 2-5 parts of speed regulator, 2-2.5 parts of emulsion, 1100-1500 parts of gravel, 600-900 parts of river sand, 17-45 parts of microsilica powder, and 0.3-0.5 parts of silicone waterproofing agent.

[0039] The optional formula for the atmospheric zone is: 350-450 parts of light-burned powder, 350-450 parts of brine, 2-5 parts of speed regulator, 1.5-2.5 parts of emulsion, 1100-1350 parts of gravel, 500-800 parts of river sand, 17-45 parts of microsilica powder, and 0.3-0.5 parts of silicone waterproofing agent.

[0040] When preparing pipe piles, conventional processes can be used. Optional processes may also include spraying galvanizing or coating the steel bars with epoxy zinc-rich paint in advance → tying the steel cage → placing in the mold, inserting the partitions → pouring the grouting material in divided areas according to the proportion → removing the partitions → tensioning the steel bars → centrifugal forming → curing and solidification → demoulding → inspection and stacking.

[0041] This embodiment uses a galvanized layer and epoxy zinc-rich paint to isolate the direct contact between the steel bar and the slurry, and uses magnesium materials to isolate the direct contact between seawater and the steel bracket, thereby solving the corrosion of seawater to metal; the compatibility of magnesium materials with seawater is used to improve the density of the pipe pile surface and the strength of the pipe pile, while resisting the invasion of seawater and the erosion of salt; at the same time, microsilica powder improves the density of the pipe pile; antifreeze reduces the damage caused by the low temperature of the seabed to the pipe pile body and improves durability; corundum improves the pipe pile's resistance to wave impact erosion; waterproofing agent forms a barrier for the pipe pile, and the pipe pile forms a protective film to prevent the invasion of salt ions and acid radicals in seawater. The pipe pile has a simple structure, a simple production process, strong environmental friendliness, and is suitable for promotion and use.

[0042] In some embodiments, the first formula is: the formula of the underwater zone includes 420 parts of light-burned powder, 315 parts of brine, 3.2 parts of speed regulator, 2.1 parts of emulsion, 40 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 10 parts of antifreeze, 1350 parts of gravel, and 680 parts of river sand. The formula of the splash zone includes 400 parts of light-burned powder, 400 parts of brine, 3 parts of speed regulator, 25 parts of corundum, 2.3 parts of emulsion, 35 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 1200 parts of gravel, and 600 parts of river sand. The formula of the atmospheric zone includes 450 parts of light-burned powder, 370 parts of brine, 3 parts of speed regulator, 2.5 parts of emulsion, 30 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 1200 parts of gravel, and 600 parts of river sand.

[0043] Under the first formulation, pipe pile preparation is carried out, and the optional process includes spraying galvanizing or coating the steel bars with epoxy zinc-rich paint in advance → tying the steel cage → putting into the mold, inserting the partition → pouring the grouting material in the divided areas according to the proportion → removing the partition → tensioning the steel bars → centrifugal forming → curing and solidification → demoulding → inspection and stacking.

[0044] In some embodiments, the second formula is: the formula for the underwater area includes 410 parts of light-burned powder, 320 parts of brine, 2.7 parts of speed regulator, 2.2 parts of emulsion, 30 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 15 parts of antifreeze, 1250 parts of gravel, and 790 parts of river sand.

[0045] The formula of the splash zone includes 460 parts of light-burned powder, 350 parts of brine, 4 parts of speed regulator, 30 parts of corundum, 2.3 parts of emulsion, 30 parts of microsilica powder, 0.3 parts of silicone waterproofing agent, 1,300 parts of crushed stone and 700 parts of river sand.

[0046] The formula of the atmospheric zone includes 350 parts of light-burned powder, 350 parts of brine, 2 parts of speed regulator, 1.5 parts of emulsion, 20 parts of microsilica powder, 0.3 parts of organic silicon waterproofing agent, 1100 parts of crushed stone and 800 parts of river sand.

[0047] Under the second formulation, pipe pile preparation is carried out, and the optional process includes spraying galvanizing or coating the steel bars with epoxy zinc-rich paint in advance → tying the steel cage → putting into the mold, inserting the partition → pouring the grouting material in the divided areas according to the proportion → removing the partition → tensioning the steel bars → centrifugal forming → curing and solidification → demoulding → inspection and stacking.

[0048] In some embodiments, the third formula is: the formula for the underwater area includes 440 parts of light-burned powder, 340 parts of brine, 4.0 parts of speed regulator, 2.5 parts of emulsion, 40 parts of microsilica powder, 0.5 parts of silicone waterproofing agent, 20 parts of antifreeze, 1450 parts of gravel, and 900 parts of river sand.

[0049] The formula of the splash zone includes 480 parts of light-burned powder, 390 parts of brine, 5 parts of speed regulator, 40 parts of corundum, 2.5 parts of emulsion, 45 parts of microsilica powder, 0.5 parts of silicone waterproofing agent, 1500 parts of crushed stone and 600 parts of river sand.

[0050] The formula of the atmospheric zone includes 450 parts of light-burned powder, 450 parts of brine, 4 parts of speed regulator, 2.5 parts of emulsion, 40 parts of microsilica powder, 0.5 parts of organic silicon waterproofing agent, 1300 parts of crushed stone and 500 parts of river sand.

[0051] Under the third formulation, pipe pile preparation is carried out, and the optional process includes spraying galvanizing or coating the steel bars with epoxy zinc-rich paint in advance → tying the steel cage → putting into the mold, inserting the partition → pouring the grouting material in divided areas according to the proportion → removing the partition → tensioning the steel bars → centrifugal forming → curing and solidification → demoulding → inspection and stacking.

[0052] In some comparative embodiments, the first comparative formula is: the formula for the underwater area includes 350 parts of light-burned powder, 250 parts of brine, 1.5 parts of speed regulator, 1.5 parts of emulsion, 10 parts of microsilica powder, 0.2 parts of silicone waterproofing agent, 2 parts of antifreeze, 1500 parts of gravel, and 1000 parts of river sand.

[0053] The formula of the splash zone includes 380 parts of light-burned powder, 300 parts of brine, 1.5 parts of speed regulator, 10 parts of corundum, 3 parts of emulsion, 50 parts of microsilica powder, 0.2 parts of silicone waterproofing agent, 1700 parts of crushed stone and 500 parts of river sand.

[0054] The formula of the atmospheric zone includes 600 parts of light-burned powder, 550 parts of brine, 6 parts of speed regulator, 3.5 parts of emulsion, 50 parts of microsilica powder, 0.6 parts of organic silicon waterproofing agent, 1000 parts of crushed stone and 450 parts of river sand.

[0055] Under the first comparative formula, pipe pile preparation is carried out, and the optional process includes spraying galvanizing or coating the steel bars with epoxy zinc-rich paint in advance → tying the steel cage → putting into the mold, inserting the partition → pouring the grouting material in the area according to the proportion → removing the partition → tensioning the steel bars → centrifugal forming → curing and solidification → demoulding → inspection and stacking.

[0056] In some comparative embodiments, the formula for the underwater zone includes 470 parts of light-burned powder, 350 parts of brine, 4.5 parts of speed regulator, 3 parts of emulsion, 50 parts of microsilica powder, 0.2 parts of silicone waterproofing agent, 22 parts of antifreeze, 1000 parts of gravel, and 600 parts of river sand.

[0057] The formula of the splash zone includes 500 parts of light-burned powder, 400 parts of brine, 1 part of speed regulator, 10 parts of corundum, 3 parts of emulsion, 15 parts of microsilica powder, 0.2 parts of silicone waterproofing agent, 1000 parts of crushed stone and 550 parts of river sand.

[0058] The formula of the atmospheric zone includes 500 parts of light-burned powder, 500 parts of brine, 6 parts of speed regulator, 3 parts of emulsion, 100 parts of microsilica powder, 0.7 parts of organic silicon waterproofing agent, 1050 parts of crushed stone and 450 parts of river sand.

[0059] Under the second comparative formula, pipe pile preparation is carried out, and the optional process includes spraying galvanizing or coating the steel bars with epoxy zinc-rich paint in advance → tying the steel cage → putting into the mold, inserting the partition → pouring the grouting material in divided areas according to the proportion → removing the partition → tensioning the steel bars → centrifugal forming → curing and solidification → demoulding → inspection and stacking.

[0060] In some comparative embodiments, the third comparative formula is: the formula for the underwater area includes 600 parts of light-burned powder, 400 parts of brine, 5 parts of speed regulator, 5 parts of emulsion, 70 parts of microsilica powder, 1.2 parts of silicone waterproofing agent, 30 parts of antifreeze, 800 parts of gravel, and 1000 parts of river sand.

[0061] The formula of the splash zone includes 400 parts of light-burned powder, 400 parts of brine, 6 parts of speed regulator, 10 parts of corundum, 5 parts of emulsion, 50 parts of microsilica powder, 0.2 parts of silicone waterproofing agent, 850 parts of crushed stone and 550 parts of river sand.

[0062] The formula of the atmospheric zone includes 260 parts of light-burned powder, 240 parts of brine, 1 part of speed regulator, 1 part of emulsion, 10 parts of microsilica powder, 0.2 parts of organic silicon waterproofing agent, 1400 parts of crushed stone and 900 parts of river sand.

[0063] Under the third comparative formula, pipe pile preparation is carried out, and the optional process includes spraying galvanizing or coating the steel bars with epoxy zinc-rich paint in advance → tying the steel cage → putting into the mold, inserting the partition → pouring the grouting material in the area according to the proportion → removing the partition → tensioning the steel bars → centrifugal forming → curing and solidification → demoulding → inspection and stacking.

[0064] The pipe piles prepared under the above-mentioned first formula, second formula, third formula, first comparative formula, second comparative formula and third comparative formula were subjected to comparative tests, and the comparative results of the tests are shown in Table 1:

[0065] Table 1 Comparison of test results

[0066]

[0067]

[0068] It can be seen from Table 1 that the first formulation is better than the other formulations; and the first formulation, the second formulation and the third formulation are better than the first comparative formulation, the second comparative formulation and the third comparative formulation.

[0069] Embodiment 2:

[0070] This embodiment provides a method for preparing a magnesium pipe pile, comprising:

[0071] Spray galvanizing or apply epoxy zinc-rich paint to the steel bars; tie the steel cage, put it into the mold and insert the partition;

[0072] According to the preparation formula of the anti-corrosion magnesium pipe pile described in Example 1, pouring grouting material in different areas;

[0073] The partitions are extracted, the steel bars are tensioned, centrifugal forming is performed, curing and solidification is performed, and demoulding is performed.

[0074] Except for the determination of the formula, the equipment and process used in each process step in this embodiment can be achieved by conventional technology and will not be described in detail here.

[0075] Embodiment 3:

[0076] This embodiment provides a magnesium pipe pile, which is prepared by the formula determined in the method for determining the preparation formula of the anti-corrosion magnesium pipe pile described in Example 1. In addition to the formula determination, the equipment and process used in each process step of this embodiment can be achieved by conventional technology and will not be described in detail here.

[0077] The above description is only a preferred embodiment of the present embodiment and is not intended to limit the present embodiment. For those skilled in the art, the present embodiment may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present embodiment shall be included in the protection scope of the present embodiment.

Claims

1. A method for determining the preparation formula of an anti-corrosion magnesium pipe pile, characterized in that: include: According to the preset construction scene of the pipe piles to be prepared, the pipe piles to be prepared are divided into an underwater area, a splash area and an atmospheric area; The preparation formula of the underwater zone includes magnesia concrete, waterproof compacting agent, antifreeze agent and preservative; the preparation formula of the splash zone includes magnesia concrete, corundum and waterproof compacting agent; the preparation formula of the atmospheric zone includes magnesia concrete and waterproof compacting agent.

2. The method for determining the preparation formula of an anti-corrosion magnesium pipe pile according to claim 1, characterized in that: The underwater area is the area between the lowest water level and the pile bottom in the preset construction scene; the splash zone is the area between the lowest water level and a preset height above the highest water level in the preset construction scene; the atmospheric zone is the area between a preset height above the highest water level and the pile top in the preset construction scene.

3. The method for determining the preparation formula of an anti-corrosion magnesium pipe pile according to claim 1, characterized in that: The preparation formula of the underwater zone includes 400-440 parts of light-burned powder, 300-340 parts of brine, 2-4 parts of speed regulator, 2-2.5 parts of emulsion, 1100-1450 parts of crushed stone, 650-900 parts of river sand, 20-44 parts of microsilica powder, 0.3-0.5 parts of silicone waterproofing agent, and 4-20 parts of antifreeze.

4. The method for determining the preparation formula of an anti-corrosion magnesium pipe pile according to claim 1, characterized in that: The preparation formula of the underwater zone is 420 parts of light-burned powder, 315 parts of brine, 3.2 parts of speed regulator, 2.1 parts of emulsion, 40 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 10 parts of antifreeze agent, 1350 parts of gravel, and 680 parts of river sand.

5. The method for determining the preparation formula of an anti-corrosion magnesium pipe pile according to claim 1, characterized in that: The preparation formula of the splash zone includes 450-480 parts of light-burned powder, 350-390 parts of brine, 2-5 parts of speed regulator, 2-2.5 parts of emulsion, 1100-1500 parts of crushed stone, 600-900 parts of river sand, 17-45 parts of microsilica powder, and 0.3-0.5 parts of silicone waterproofing agent.

6. The method for determining the preparation formula of an anti-corrosion magnesium pipe pile according to claim 1, characterized in that: The formula for the splash zone is: 400 parts of light-burned powder, 400 parts of brine, 3 parts of speed regulator, 25 parts of corundum, 2.3 parts of emulsion, 35 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 1200 parts of gravel, and 600 parts of river sand.

7. The method for determining the preparation formula of an anti-corrosion magnesium pipe pile according to claim 1, characterized in that: The preparation formula of the atmospheric zone includes 350-450 parts of light-burned powder, 350-450 parts of brine, 2-5 parts of speed regulator, 1.5-2.5 parts of emulsion, 1100-1350 parts of crushed stone, 500-800 parts of river sand, 17-45 parts of microsilica powder, and 0.3-0.5 parts of silicone waterproofing agent.

8. The method for determining the preparation formula of an anti-corrosion magnesium pipe pile according to claim 1, characterized in that: The formula package for the atmospheric zone is: 450 parts of burnt powder, 370 parts of brine, 3 parts of speed regulator, 2.5 parts of emulsion, 30 parts of microsilica powder, 0.4 parts of silicone waterproofing agent, 1200 parts of crushed stone, and 600 parts of river sand.

9. A method for preparing a magnesium pipe pile, characterized in that: The preparation formula of the anticorrosive magnesium pipe pile according to any one of claims 1 to 8 is adopted, comprising: Spray galvanizing on the pre-prepared steel bars; tie the steel cage, put it into the mold and insert the partition; According to the preparation formula of the anti-corrosion magnesium pipe pile according to any one of claims 1 to 8, pouring grouting material in different areas; Carry out the extraction of partitions, tensioning of steel bars, centrifugal forming, curing and solidification, and demoulding.

10. A magnesium pipe pile, characterized in that: The anti-corrosion magnesium pipe pile is prepared by the formula determined in the method for determining the preparation formula of the anti-corrosion magnesium pipe pile as described in any one of claims 1 to 8.

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