Workshop ground construction structure and construction method thereof

Abstract

The invention discloses a factory building ground construction structure and a construction method thereof, the construction structure comprises a soil base layer, a plurality of pouring holes are drilled in the soil base layer, and reinforcing steel bar reinforcing piles are placed in the pouring holes; traction pieces are welded to the peripheries of the top ends of the steel bar reinforcing piles. Concrete materials are poured at the upper end of the soil base layer and in the pouring holes to form a concrete bottom layer, and carborundum materials are poured at the upper end of the concrete bottom layer to form a wear-resistant layer; the construction method comprises the following steps that S1, the pouring holes are drilled in the soil base layer; s2, the reinforcing steel bar reinforcing piles are inserted into the pouring holes; s3, supporting rods are welded between the adjacent steel bar reinforcing piles; s4, traction pieces are welded to the side walls of the top ends of the reinforcing steel bars on the steel bar reinforcing piles; s5, concrete material pouring operation is conducted on the interior of the pouring hole and the upper end of the soil base layer, and a concrete bottom layer is formed after preliminary solidification; s6, a carborundum material is poured on the concrete bottom layer, and a wear-resistant layer is formed after solidification; and S7, slotting operation is conducted on the upper end face of the wear-resistant layer.

Description

Technical Field

[0001] The invention relates to the field of building construction, and in particular to a factory floor construction structure and a construction method thereof. Background Art

[0002] At present, the first step in the floor construction of a factory building is to lay concrete. After the laying is completed, corundum is sprinkled to make the corundum and concrete solidify together for a better effect. Then, construction joints are cut on the ground to prevent the ground from being damaged due to thermal expansion and contraction. However, this construction method only leaves a layer of corundum on the surface, and its wear resistance is poor. After a period of use, the upper surface of the concrete will be damaged, and maintenance operations are required frequently, which increases the maintenance cost of the factory floor. In addition, the overall strength of the existing floor structure is poor. When large machinery is used on the ground, the floor structure is often damaged due to insufficient bearing pressure, which seriously affects the use effect of the factory floor. It is necessary to improve it. Summary of the invention

[0003] The object of the present invention is to provide a plant floor construction structure and a construction method thereof which has a simple structure and improves the strength of the construction structure and the construction efficiency in view of the above-mentioned problems.

[0004] In order to achieve the above object, the technical solution of the present invention is: A factory floor construction structure comprises a soil base, a plurality of grouting holes are evenly drilled on the soil base, the plurality of grouting holes are vertically arranged to the upper surface of the soil base, steel reinforcement piles are placed in the plurality of grouting holes, and the top ends of the steel reinforcement piles protrude from the upper surface of the soil base; a plurality of pulling pieces are welded to the outer periphery of the top ends of the steel reinforcement piles; concrete material is poured on the upper end of the soil base and in the grouting holes, and a concrete bottom layer is formed after the concrete material solidifies, corundum material is poured on the upper end of the concrete bottom layer, and a wear-resistant layer is formed after the corundum material solidifies, the bottom end of the pulling piece is poured in the concrete bottom layer, and the top end of the pulling piece is poured in the wear-resistant layer.

[0005] Furthermore, the steel reinforcement pile is made by welding a plurality of reinforcing steel bars and a plurality of annular steel bars; the plurality of annular steel bars are arranged in sequence along the height direction of the pouring hole and the plurality of annular steel bars are coaxially arranged with the pouring hole; the plurality of reinforcing steel bars are all arranged vertically, the plurality of reinforcing steel bars are arranged at equal intervals along the inner circumference of the annular steel bars and the outer peripheral side walls of the reinforcing steel bars are welded to the inner side walls of the annular steel bars.

[0006] Furthermore, among the several steel reinforcement piles, support rods are welded between adjacent steel reinforcement piles, the support rods are located between the top of the soil base layer and the bottom end of the pulling member and the support rods are cast in the concrete base layer, and the two ends of the support rods are respectively welded to the outer peripheral side walls of the annular steel bars on the two adjacent steel reinforcement piles.

[0007] Furthermore, the plurality of pulling members are arranged corresponding to the plurality of reinforcing steel bars on the steel reinforcement piles, the pulling members are located outside the corresponding reinforcing steel bars and are welded to the corresponding side walls of the reinforcing steel bars, and the top height of the pulling members is not lower than the top height of the reinforcing steel bars.

[0008] Furthermore, the pulling member includes a first pulling portion, a second pulling portion, and a pulling connection portion, the first pulling portion is located below the second pulling portion, the first pulling portion and the second pulling portion are arranged in parallel, the length directions of the first pulling portion and the second pulling portion are consistent with the radial direction of the annular steel bar and the first pulling portion and the second pulling portion extend in a direction away from the axis of the annular steel bar, and the first pulling portion and the second pulling portion are both parallel to the horizontal plane; the pulling connection portion is vertically arranged, and the upper and lower ends of the pulling connection portion are respectively fixedly connected to one end of the second pulling portion and the first pulling portion to form a horizontal U-shaped structure; the side wall of the pulling connection portion is welded to the outer side wall of the corresponding reinforcing steel bar, and the top height of the pulling connection portion is not lower than the height of the corresponding reinforcing steel bar.

[0009] Furthermore, the top height of the concrete bottom layer is higher than the height of the first pulling portion and lower than the height of the second pulling portion; the height of the wear-resistant layer is higher than the height of the second pulling portion.

[0010] Furthermore, the thickness of the wear-resistant layer is between 1 / 2 and 1 / 3 of the thickness of the concrete base layer.

[0011] Furthermore, the concrete material is made by mixing cement, coarse aggregate, mineral admixture, shrinkage reducer and modifier; the mass ratio of the cement, coarse aggregate, mineral admixture, shrinkage reducer and modifier is 10:22:8:2:1; the mixed water-cement ratio is 0.45-0.46; the coarse aggregate is a mixture of one or more of gravel, pebbles, crushed stone and slag; the mineral admixture is a mixture of one or two of fly ash and silica fume; the shrinkage reducer is a mixture of one or more of benzenesulfonic acid, dimethyl succinate and polyethylene glycol; the modifier is a mixture of one or more of gypsum, calcium hydroxide and aluminum hydroxide.

[0012] Furthermore, the corundum material is made by mixing corundum, cement, coarse aggregate, mineral admixture, reinforcing agent and water reducer; the mass ratio of the corundum, cement, coarse aggregate, mineral admixture, reinforcing agent and water reducer is 2:5:9:6:1:1; the mixed water-cement ratio is: 0.5; the coarse aggregate is a mixture of one or more of gravel, pebbles, crushed stone and slag; the mineral admixture is a mixture of one or two of fly ash and silica ash; the reinforcing agent is a mixture of one or two of silicate and sodium silicate; the water reducer is a sulfonate type water reducer or a polycarboxylic acid type water reducer.

[0013] A construction method for a factory floor construction structure comprises the following steps: S1. Use a spiral drill to evenly drill several grouting holes on the soil base; the distance between adjacent grouting holes should not be less than 2m; S2, inserting the pre-welded steel reinforcement pile into the casting hole; S3, welding support rods between the annular steel bars on adjacent steel reinforcement piles; S4. Welding a pulling piece on the top side wall of the reinforcement steel bar on the reinforcement pile; S5, pouring concrete into the pouring hole, and continuing to pour concrete on the upper end of the soil base after the pouring in the pouring hole is completed, with the pouring height being between the first pulling part and the second pulling part; after the concrete materials in the pouring hole and on the upper end of the soil base are initially solidified, a concrete bottom layer is formed; S6, pouring corundum material on the concrete bottom layer, with the pouring height being higher than the second pulling part, and forming a wear-resistant layer after solidification; S7. Perform cutting operation on the upper end surface of the wear-resistant layer. The cutting gap is located between the pulling pieces at the top of the adjacent steel reinforcement piles to complete the construction work on the factory floor.

[0014] Compared with the prior art, the present invention has the following advantages and positive effects: The present invention adopts a design of drilling a pouring hole on the soil base and pouring concrete materials in the pouring hole and on the upper end of the soil base to form a concrete bottom layer, so that the concrete bottom layer penetrates into the pouring hole, and a concrete support structure is formed inside the soil base, which effectively enhances the structural strength of the concrete bottom layer; at the same time, by placing steel reinforcement piles in the pouring hole and pouring them into the concrete bottom layer, the structural strength of the concrete is further enhanced by the steel structure; it effectively enhances the overall strength of the floor structure, so that the formed floor structure has a very strong bearing pressure, which can fully meet the support requirements of large machinery, avoids the situation where the factory floor is damaged due to insufficient bearing pressure, and effectively improves the use effect of the factory floor structure; On the other hand, the present invention abandons the design of the prior art of forming a wear-resistant layer by sprinkling corundum on the concrete base layer, and adopts the method of pouring corundum material on the initially solidified concrete base layer to form a wear-resistant layer. After the concrete base layer and the wear-resistant layer are completely solidified, a stable wear-resistant floor structure can be formed; in this floor structure, the wear-resistant layer is significantly increased in thickness, and can have wear-resistant and pressure-resistant effects for a long time, avoiding the occurrence of poor wear resistance and damage to the upper surface of concrete due to the thin wear-resistant layer, and does not require frequent maintenance of the wear-resistant layer, effectively reducing the maintenance cost of the factory floor; and, the present invention, through the design of pre-embedded pull members in the concrete base layer and the wear-resistant layer, enables the pull members to enhance the structural strength and tightness of the connection between the concrete base layer and the wear-resistant layer in the floor structure, avoiding poor bonding and stratification between the concrete base layer and the wear-resistant layer, and further improving the structural strength and use effect of the factory floor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a structural schematic diagram of the ground construction structure; Figure 2 The construction steps of the present invention Figure 1 ; Figure 3 The construction steps of the present invention Figure 2 ; Figure 4 For construction steps Figure 2 A top view of the structure; Figure 5 The construction steps of the present invention Figure 3 ; Figure 6 For construction steps Figure 3 A top view of the structure; Figure 7 The construction steps of the present invention Figure 4 ; Figure 8 For construction steps Figure 4 A top view of the structure; Fig. 9 The construction steps of the present invention Figure 5 ; Fig.10 The construction steps of the present invention Figure 6 ; Fig.11 The construction steps of the present invention Figure 7 . DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work, any modifications, equivalent substitutions, improvements, etc., should be included in the protection scope of the present invention.

[0018] like Figure 1 As shown, this embodiment discloses a factory floor construction structure, including a soil base 1, a plurality of grouting holes 101 are evenly drilled on the soil base 1, the plurality of grouting holes 101 are vertically arranged with the upper surface of the soil base 1, and steel reinforcement piles 4 are placed in the plurality of grouting holes 101, and the tops of the steel reinforcement piles 4 protrude from the upper surface of the soil base 1; The steel reinforcement pile 4 is made by welding a plurality of reinforcing steel bars 402 and a plurality of annular steel bars 401; the plurality of annular steel bars 401 are arranged in sequence along the height direction of the grouting hole 101 and the plurality of annular steel bars 401 are coaxially arranged with the grouting hole 101; the plurality of reinforcing steel bars 402 are all vertically arranged, the plurality of reinforcing steel bars 402 are arranged at equal intervals along the inner circumference of the annular steel bars 401 and the outer peripheral side walls of the reinforcing steel bars 402 are welded to the inner side walls of the annular steel bars 401.

[0019] Among the several steel reinforcement piles 4, support rods 6 are welded between adjacent steel reinforcement piles 4, the support rods 6 are located between the top of the soil base layer 1 and the bottom end of the pulling member 5, and the support rods 6 are cast in the concrete base layer 2, and the two ends of the support rods 6 are respectively welded to the outer peripheral side walls of the annular steel bars 401 on two adjacent steel reinforcement piles 4; multiple steel reinforcement piles 4 can be connected through the support rods 6, thereby improving the overall structural connection stability of the floor structure.

[0020] A plurality of pulling pieces 5 are welded on the outer periphery of the top end of the steel reinforcement pile 4; The plurality of pulling members 5 are arranged corresponding to the plurality of reinforcing steel bars 402 on the steel reinforcement pile 4; the pulling member 5 includes a first pulling portion 501, a second pulling portion 502, and a pulling connection portion 503, the first pulling portion 501 is located below the second pulling portion 502, the first pulling portion 501 and the second pulling portion 502 are arranged in parallel, and the length of the first pulling portion 501 and the second pulling portion 502 is about 0.8 meters; the length direction of the first pulling portion 501 and the second pulling portion 502 is consistent with the radial direction of the annular steel bar 401, and the first pulling portion 501, The second pulling portion 502 extends in a direction away from the axis of the annular steel bar 401, and the first pulling portion 501 and the second pulling portion 502 are both parallel to the horizontal plane; the pulling connection portion 503 is vertically arranged, and its length is about 1 meter; the upper and lower ends of the pulling connection portion 503 are respectively fixedly connected to the second pulling portion 502 and one end of the first pulling portion 501 to form a horizontal U-shaped structure; the side wall of the pulling connection portion 503 is welded to the outer side wall of the corresponding reinforcing steel bar 402, and the top height of the pulling connection portion 503 is higher than the height of the corresponding reinforcing steel bar 402.

[0021] Concrete material is poured into the upper end of the soil base layer 1 and the pouring hole 101, and after the concrete material solidifies, a concrete bottom layer 2 is formed. The top height of the concrete bottom layer 2 is higher than the height of the first pulling part 501 and lower than the height of the second pulling part 502. The concrete material is prepared by mixing cement, gravel, fly ash, benzenesulfonic acid and calcium hydroxide; the mass ratio of the cement, gravel, fly ash, benzenesulfonic acid and calcium hydroxide is 10:22:8:2:1; and the mixed water-cement ratio is 0.45-0.46.

[0022] The upper end of the concrete bottom layer 2 is poured with corundum material and forms a wear-resistant layer 3 after the corundum material solidifies. The thickness of the wear-resistant layer 3 is 1 / 2 of the thickness of the concrete bottom layer 2 ; the height of the wear-resistant layer 3 is higher than the height of the second pulling part 502 .

[0023] The corundum material is made by mixing corundum, cement, crushed stone, silica fume, silicate and polycarboxylic acid type water reducer; the mass ratio of the corundum, cement, crushed stone, silica fume, silicate and polycarboxylic acid type water reducer is 2:5:9:6:1:1; and the mixed water-cement ratio is 0.5.

[0024] By adding shrinkage reducers and improvers to concrete materials, the shrinkage deformation of concrete can be significantly reduced to prevent cracking; at the same time, by adding improvers, the cohesion and cohesion of concrete can be improved, and the crack resistance can be improved. Correspondingly, adding reinforcing agents and water reducing agents to corundum materials can improve the structural strength of the wear-resistant layer and improve the construction quality.

[0025] like Figures 2 to 11As shown, the construction steps of the above-mentioned plant floor construction structure are as follows: S1. Use an auger to evenly drill a number of grouting holes 101 on the soil base 1; the spacing between adjacent grouting holes 101 is not less than 2m; Figure 2 As shown; S2, insert the pre-welded steel reinforcement pile 4 into the grouting hole 101; the outer diameter of the steel reinforcement pile 4 is slightly smaller than the inner diameter of the grouting hole 101; Figure 3 , Figure 4 As shown; S3, welding support rods 6 between the annular steel bars 401 on adjacent steel reinforcement piles 4 to ensure the stability between the steel reinforcement piles during the concrete pouring operation, to avoid the steel reinforcement piles from tilting during the pouring process; and at the same time to improve the overall connection structure strength between the steel reinforcement piles; Figure 5 , Figure 6 As shown; S4, welding a pulling member 5 on the top side wall of the reinforcing steel bar 402 on the steel reinforcement pile 4; the top height of the pulling member 5 is higher than the top height of the welded reinforcing steel bar 402; Figure 7 , Figure 8 As shown; S5. Concrete materials are configured in proportion, and the concrete materials are poured into the pouring hole 101. After the pouring in the pouring hole is completed, the concrete materials are continued to be poured on the upper end of the soil base layer 1, and the pouring height is between the first pulling part 501 and the second pulling part 502; wait for 45 to 70 minutes to allow the concrete materials in the pouring hole 101 and the upper end of the soil base layer 1 to initially solidify to form a concrete bottom layer 2; the initial solidification state is: it is possible to stand on the concrete bottom layer to perform the pouring construction of the corundum material, which can promote the fusion between the concrete bottom layer and the wear-resistant layer, and improve the strength of the connection structure between the two, while improving the construction efficiency and speeding up the progress of the work; Fig. 9 As shown; S6, pouring corundum material on the concrete bottom layer 2, the pouring height is higher than the second pulling part 502, and forming a wear-resistant layer 3 after solidification; Fig.10 As shown; S7, after the concrete bottom layer 2 and the wear-resistant layer 3 are completely solidified, a slitting operation is performed on the upper end surface of the wear-resistant layer 3; when arranging the steel reinforcement piles 4, their specific positions need to be marked, and when performing the slitting operation, the cutting needs to be performed at the center position between adjacent steel reinforcement piles 4 to avoid cutting the second pulling portion 502; the slit gap 301 obtained by the final cutting is located between the pulling pieces 5 at the top ends of the adjacent steel reinforcement piles 4, such as Fig.11 After the slitting operation is completed, other construction operations can be performed on the surface of the wear-resistant layer 3 to complete the construction work on the factory floor.

[0026] The present invention adopts a design of drilling a pouring hole on the soil base and pouring concrete materials in the pouring hole and on the upper end of the soil base to form a concrete bottom layer, so that the concrete bottom layer penetrates into the pouring hole, and a concrete support structure is formed inside the soil base, which effectively enhances the structural strength of the concrete bottom layer; at the same time, by placing steel reinforcement piles in the pouring hole and pouring them into the concrete bottom layer, the structural strength of the concrete is further enhanced by the steel structure; it effectively enhances the overall strength of the floor structure, so that the formed floor structure has a very strong bearing pressure, which can fully meet the support requirements of large machinery, avoids the situation where the factory floor is damaged due to insufficient bearing pressure, and effectively improves the use effect of the factory floor structure; On the other hand, the present invention abandons the design of the prior art of forming a wear-resistant layer by sprinkling corundum on the concrete base layer, and adopts the method of pouring corundum material on the initially solidified concrete base layer to form a wear-resistant layer. After the concrete base layer and the wear-resistant layer are completely solidified, a stable wear-resistant floor structure can be formed; in this floor structure, the wear-resistant layer is significantly increased in thickness, and can have wear-resistant and pressure-resistant effects for a long time, avoiding the occurrence of poor wear resistance and damage to the upper surface of concrete due to the thin wear-resistant layer, and does not require frequent maintenance of the wear-resistant layer, effectively reducing the maintenance cost of the factory floor; and, the present invention, through the design of pre-embedded pull members in the concrete base layer and the wear-resistant layer, enables the pull members to enhance the structural strength and tightness of the connection between the concrete base layer and the wear-resistant layer in the floor structure, avoiding poor bonding and stratification between the concrete base layer and the wear-resistant layer, and further improving the structural strength and use effect of the factory floor.

Claims

1. A factory floor construction structure, including a soil base, characterized in that: A number of grouting holes are evenly drilled on the soil base layer, and the plurality of grouting holes are vertically arranged to the upper surface of the soil base layer. Steel reinforcement piles are placed in the plurality of grouting holes, and the top ends of the steel reinforcement piles protrude from the upper surface of the soil base layer; a number of pulling pieces are welded on the outer periphery of the top ends of the steel reinforcement piles; concrete material is poured on the upper end of the soil base layer and in the grouting holes, and a concrete bottom layer is formed after the concrete material solidifies, corundum material is poured on the upper end of the concrete bottom layer, and a wear-resistant layer is formed after the corundum material solidifies, the bottom end of the pulling piece is poured in the concrete bottom layer, and the top end of the pulling piece is poured in the wear-resistant layer.

2. The factory floor construction structure according to claim 1, characterized in that: The steel reinforcement pile is made by welding a plurality of reinforcing steel bars and a plurality of annular steel bars; the plurality of annular steel bars are arranged in sequence along the height direction of the pouring hole and the plurality of annular steel bars are coaxially arranged with the pouring hole; the plurality of reinforcing steel bars are all arranged vertically, the plurality of reinforcing steel bars are arranged at equal intervals along the inner circumference of the annular steel bars and the outer peripheral side walls of the reinforcing steel bars are welded to the inner side walls of the annular steel bars.

3. The factory floor construction structure according to claim 2, characterized in that: Among the several steel reinforcement piles, support rods are welded between adjacent steel reinforcement piles, the support rods are located between the top of the soil base and the bottom end of the pulling member and are cast in the concrete base layer, and the two ends of the support rods are respectively welded to the outer peripheral side walls of the annular steel bars on two adjacent steel reinforcement piles.

4. The factory floor construction structure according to claim 2, characterized in that: The plurality of pulling members are arranged corresponding to the plurality of reinforcing steel bars on the steel reinforcement piles, the pulling members are located outside the corresponding reinforcing steel bars and are welded to the corresponding side walls of the reinforcing steel bars, and the top height of the pulling members is not lower than the top height of the reinforcing steel bars.

5. The factory floor construction structure according to claim 4, characterized in that: The pulling member includes a first pulling portion, a second pulling portion, and a pulling connection portion, the first pulling portion is located below the second pulling portion, the first pulling portion and the second pulling portion are arranged in parallel, the length directions of the first pulling portion and the second pulling portion are consistent with the radial direction of the annular steel bar, and the first pulling portion and the second pulling portion extend in a direction away from the axis of the annular steel bar, and the first pulling portion and the second pulling portion are parallel to the horizontal plane; the pulling connection portion is vertically arranged, and the upper and lower ends of the pulling connection portion are respectively fixedly connected to one end of the second pulling portion and the first pulling portion to form a horizontal U-shaped structure; the side wall of the pulling connection portion is welded to the outer side wall of the corresponding reinforcing steel bar, and the top height of the pulling connection portion is not lower than the height of the corresponding reinforcing steel bar.

6. The factory floor construction structure according to claim 5, characterized in that: The top height of the concrete bottom layer is higher than the height of the first pulling portion and lower than the height of the second pulling portion; the height of the wear-resistant layer is higher than the height of the second pulling portion.

7. The factory floor construction structure according to claim 1, characterized in that: The thickness of the wear-resistant layer is between 1 / 2 and 1 / 3 of the thickness of the concrete base layer.

8. The factory floor construction structure according to claim 1, characterized in that: The concrete material is made by mixing cement, coarse aggregate, mineral admixture, shrinkage reducer and modifier; the mass ratio of the cement, coarse aggregate, mineral admixture, shrinkage reducer and modifier is 10:22:8:2:1; the mixed water-cement ratio is 0.45-0.46; the coarse aggregate is a mixture of one or more of gravel, pebbles, crushed stone and slag; the mineral admixture is a mixture of one or two of fly ash and silica fume; the shrinkage reducer is a mixture of one or more of benzenesulfonic acid, dimethyl succinate and polyethylene glycol; the modifier is a mixture of one or more of gypsum, calcium hydroxide and aluminum hydroxide.

9. The factory floor construction structure according to claim 1, characterized in that: The corundum material is made by mixing corundum, cement, coarse aggregate, mineral admixture, reinforcing agent and water reducer; the mass ratio of the corundum, cement, coarse aggregate, mineral admixture, reinforcing agent and water reducer is 2:5:9:6:1:1; the mixed water-cement ratio is 0.5; the coarse aggregate is a mixture of one or more of gravel, pebbles, crushed stone and slag; the mineral admixture is a mixture of one or two of fly ash and silica ash; the reinforcing agent is a mixture of one or two of silicate and sodium silicate; the water reducer is a sulfonate type water reducer or a polycarboxylic acid type water reducer.

10. A construction method for a factory floor construction structure according to claim 6, characterized in that: The following steps are involved: S1. Use a spiral drill to evenly drill several grouting holes on the soil base; the distance between adjacent grouting holes should not be less than 2m; S2, inserting the pre-welded steel reinforcement pile into the casting hole; S3, welding support rods between the annular steel bars on adjacent steel reinforcement piles; S4. Welding a pulling piece on the top side wall of the reinforcement steel bar on the reinforcement pile; S5, pouring concrete into the pouring hole, and continuing to pour concrete on the upper end of the soil base after the pouring in the pouring hole is completed, with the pouring height being between the first pulling part and the second pulling part; after the concrete materials in the pouring hole and on the upper end of the soil base are initially solidified, a concrete bottom layer is formed; S6, pouring corundum material on the concrete bottom layer, with the pouring height being higher than the second pulling part, and forming a wear-resistant layer after solidification; S7. Perform cutting operation on the upper end surface of the wear-resistant layer. The cutting gap is located between the pulling pieces at the top of the adjacent steel reinforcement piles to complete the construction work on the factory floor.

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