476results about "Shaping reinforcements" patented technology

The invention discloses a concrete pile formed by concrete casting; the concrete comprises the components including cementing material, fine aggregate, crushed stones, water-reducing agent and water, wherein the fine aggregate is a mixture of sand and industrial waste slag, and the weight the industrial waste slag is 10 to 50% of that of the fine aggregate; the volume weight of the concrete is 2400 to 2600 kg/m<3>; the use amount of the cementing material is 300 to 600 kg/m<3>, the water-binder ratio is 0.2 to 0.4, and the sand percentage is 27 to 44%; and the weight of water-reducing agent is 10 to 50% of that of the cementing material. The invention further discloses a preparation method of the concrete pile. According to the invention, 10 to 50% of sand is replaced by industrial waste slag, moreover, the resource of the industrial waste slag is relatively ample, and the quality is relatively stable, so that under the premise of ensuring the quality of the concrete pile, through resource utilization of the waste material, not only the pollution problem is solved, but also great economic benefits and social benefits can be produced.

Method and apparatus for forming cast members. Steps are provided in the cast member by sliding mounting flanges of hollow plastic step inserts into slots provided in the inner mold shell. The cast material is then poured into the mold. Once the cast material has set, the cast member is withdrawn from the mold assembly. The step insert mounting flanges are broken away, leaving hollow step inserts into which manhole steps are force-fittingly mounted. The inserts are provided with integral cover tabs which cover larger slots provided to facilitate insertion of the step inserts, preventing leakage of the cast material into the mold assembly. Integral cover tabs are similarly provided on enforcement ring support members mounted in a similar fashion to insertion slots provided on one of the mold members to cover larger width slot portions to prevent seepage of cast material. Similar seals are provided by cylindrical-shaped inserts for use in wetcast and drycast fabrication methods.

The invention provides a connecting sleeve used for a prefabricated part, the prefabricated part comprising the connecting sleeve as well as a production method and a connecting method of the prefabricated part. The connecting sleeve (1) is provided with a hole (10) along the axial direction; the outer wall of the connecting sleeve (1) is provided with external thread, or at least part of the hole (10) is provided with internal thread (101); the hole (10) also comprises a section of taper hole (102) with a cone shape, or is provided with a blocking table (105) arranged along the inner wall of the hole (10); the side wall of the connecting sleeve (1) is also provided with an open slot (11) extending into the hole (10); the open slot (11) passes through the lower end of the connecting sleeve (1) downwards. The connecting sleeve can greatly reduce the production cost of a precast pile, lightens the labor intensity of workers, increases the production efficiency and improves the product quality.

The invention discloses a production method of concrete piles free of autoclaving and pouring of residual slurry: first, sand, cementitious material, and mineral booster are put into a concrete mixer and stirred until uniform, and then water-reducing agents and the whole formula are put in successively. Add 75% of the water in the mixture, then stir until it is uniform, and finally put in gravel and the remaining 25% of the water and stir until it is even; put the pre-mixed concrete mixture in step A evenly into the mold with the steel cage skeleton installed In the middle, after the cloth is finished, mold closing and prestressed tensioning are carried out, and the tensioning force is about 70% of the total tensile strength of the prestressed steel bars; after the prestressed tensioning, the mold containing the concrete is subjected to centrifugal forming operations until the concrete Pile molding; after the centrifugation is completed, the mold equipped with concrete and steel skeleton cages is subjected to atmospheric pressure steam curing, and after atmospheric pressure steam curing, demoulding and cooling can be completed; the temperature of the atmospheric pressure steam curing is 75-95 ℃, curing time is 4-6 hours.

The invention discloses a manufacturing process of a pre-tensioned prestressed centrifugal concrete square pile. The manufacturing process includes the steps of a, measuring and stirring concrete materials; b, manufacturing end plates of the centrifugal square pile; c, manufacturing a frame; d, mounting the reinforced frame; e, distributing concrete; f, closing a mold; g, performing prestress tensioning; h, performing centrifuging; I, performing primary steam curing; j, performing stripping; and k, directly lifting stripped centrifugal square piles, having concrete design strength level reaching C60, to a product yard for stacking, and delivering out of the factory after natural curing is complete and delivery strength is reached; subjecting the stripped centrifugal square piles, having the concrete design strength level reaching C80 and above, to high-temperature steam curing in a high-pressure autoclave, and directly delivering the piles subjected to the high-pressure curing. The manufacturing process has the advantages that the manufacturing process is simple, manufacturing time is short, fewer materials are used, energy consumption is low, and the manufactured centrifugal pile has high strength and good quality.

The invention discloses a ribbed prestressed pipe pile, and a manufacturing method and a drilling-planting construction process thereof. The ribbed prestressed pipe pile comprises an upper ribbed prestressed pipe pile and a plurality of lower ribbed prestressed pipe piles. The upper and lower ends of each lower ribbed prestressed pipe pile are provided with an external thread end plate and a closed end plate. Two ends of the upper ribbed prestressed pipe pile are provided with an external thread end plate and an internal thread end plate. According to the drilling-planting construction process, gravels are placed at the bottom of the pile and around the pile, grout is injected to the bottom of the pile and around the pile, and accordingly, limit bearing capacity of the single pile can be improved significantly and piles are saved. In addition, an injection pipe can be recycled after grout injection, so that fewer injection pipes are needed.

A scaling ring (1) for sealing an annular gap between a concrete pipe socket and a concrete pipe spigot end is adapted to be mounted on a mould ring intended for casting of a concrete pipe comprising a socket so as to be fixed in the socket by said casting. The scaling ring is made in one piece by means of co-extrusion of a soft rubber material and a hard rubber material. The soft rubber material has a hardness of 30-40 IRHD and forms a radially inner sealing layer (6), which is intended to abut against the mould ring during said casting and to abut sealingly against the spigot end during use of the sealing ring (1). The hard rubber material forms a second layer (7) located radially outside the radially inner sealing layer.

The invention discloses equipment for producing a concrete pipe pile and a method for producing the concrete pipe pile by using the equipment. The equipment is characterized by comprising a pipe pile mold and a conveyor for filling concrete in the mold, wherein a discharging port of the conveyor is provided with a feeding steel pipe capable of extending into the pipe pile mold; the pipe pile mold is arranged on a material distributing flat wagon which is provided with an electronic metering scale; the pipe pile mold is loaded on the electronic metering scale; and the equipment further comprises an electric control device which can control the movement speed of the material distributing flat wagon according to the value change condition of the electronic metering scale in the process of casting concrete. The invention provides the equipment which is simple in structure, can realize closed concrete casting and is applicable to producing pretensioning prestressed concrete pipe piles for the purpose of overcoming the defects in the prior art. Another purpose of the invention is to provide a method for producing the concrete pipe pile by using the equipment.

A mould for forming the thin-wall hollow concrete member is composed of the form boards, the turnable parts for connecting the form boards in turnable mode, and the fasteners for fastening the closed form boards. It features that at least 3 form boards are sequentially connected and at least one form board has the fixed or movable male core mould to generate hole or pit on the product. Its advantages are simple structure and high strength.

The invention belongs to a production process of a PHC pile and relates to a PHC pile streamline conveying production line. The production line is characterized by comprising a whole production workshop formed by a left area, a middle area and a right area, wherein from the front part to the back part of the workshop, the left area is sequentially provided with a blending floor, an end plate processing area, a steel reinforcement cage, an end plate assembling area and a steel reinforcement cage roll welding area, the middle area is sequentially provided with a concrete spreading area, a cage loading area, an oil spraying pool, a die-cleaning pool, a die-detaching area, and a steel rod precisely cutting and heading area, and the right area is sequentially provided with a tensioning area, a centrifugal molding area, a steaming area, a pipe pile expanding area, a product inspection and code-spraying identifier area, a to-be-high pressure steamed semi-finished pipe pile storing area and a high pressure kettle-entering transition carriage pit. The production line has the beneficial effects that plane circular arrangement is adopted, and the occurrence rate of accidents is reduced due to the adoption of a stereo lifting technical mode that the upper surface and the lower surface are mutually moved; and due to the adoption of a slope platform and a slope rail, the pipe pile is moved, the distance of carriage movement is greatly shortened, and the energy consumption is reduced.

The invention discloses a stretch-draw anchoring piece for a pretensioning prestressed concrete pile, a pile body structure thereof and a method for manufacturing the stretch-draw anchoring piece. The stretch-draw anchoring piece is the key of the invention. The stretch-draw anchoring piece comprises a body (8), wherein the body (8) is provided with screw pores (2) mutually running through, a tendon settling pore (1) and a transitional pore (9) for connecting the screw pores (2) and the tendon settling pore (1); the pore diameter of the tendon settling pore (1) is matched with the diameter of a prestressed main tendon; the pore diameter of each screw pore (2) is larger than that of the tendon settling pore (1); and the tendon settling pore (1) is a cylindrical pore or a polygon prism pore. The stretch-draw anchoring piece has the advantages of simple structure and convenient manufacture, and can greatly reduce the manufacturing cost and the cost of raw materials.

An insulated telegraph pole comprises a main layer (1) and a surface coat (2) coating the main layer (1). The insulated telegraph pole is characterized in that the surface coat (2) is a functional waterproof layer formed by combining organic substance with inorganic substance; the main layer comprises a plurality of insulated fiberglass-reinforced plastic main reinforcements (11), at least one layer of insulated grid glass fiber cloth (12) entwined with the main reinforcements (11) and fiber reinforced cement (13) for wrapping the main reinforcements (11) and the insulated grid glass fiber cloth (12). The top end and the lower end of the main layer (1) are sealed, and coated with functional waterproof layers formed by combining the organic substance and the inorganic substance. The insulated telegraph pole has excellent insulating property, high strength and long performance life.

The invention relates to a production method of a non-residual slurry non-autoclaved prestressed concrete pipe pile. The production method comprises the following steps: (1) sequentially adding fine aggregate, coarse aggregate, cement, mineral powder, a mineral additive, water and a water reducing agent into a reaction kettle, and evenly stirring to obtain a concrete mixture; (2) prestressed tensioning the concrete mixture after material distribution and die assembling; (3) centrifuging the concrete mixture after prestressed tensioning, and sequentially carrying out low speed, low medium speed, medium speed and high speed centrifugation steps in centrifugation without producing residual slurry in the centrifugation process; (4) placing the centrifuged concrete mixture into a steam maintenance pool for steam maintenance. According to the production method, after multiple experiments, through contrastive analysis, the nanoscale mineral additive is added, and by matching with the compound high-performance water reducing agent and adjusting existing pipe pile centrifugation and steam maintenance steps, the non-residual slurry centrifugation and one-time demoulding strength of C80 are realized, so that the working procedures of pouring residual slurry and steam maintenance are eliminated, and the environmental pollution and energy consumption of enterprises are greatly reduced.

The invention discloses a novel highly-efficiency, energy-saving and environmentally-friendly method and a novel highly-efficiency, energy-saving and environmentally-friendly device for manufacturing a centrifugal concrete pile. The production process comprises the following: a step 1, processing a pile-shaped end plate according to national standards and requirements of a picture set; a step 2, producing two branched piles or square piles by using one die; a step 3, manufacturing two end plates with bolt holes at positions symmetrical to bolt holes in the picture set; and a step 4, cutting a part of each of four angles of a connection plate of a square pile hoop and the end plates. The method and device have the advantages that: slurry is not leaked during centrifugation; and the quality of the concrete pipe is not affected. Moreover, compared with the prior art, the method and the system have the advantages of simple pile manufacturing process, low cost, environment protection and waste recycling.

The invention discloses a production method of a high-strength concrete precast pile doped with a fiber enhanced plastic tendon. The method comprises the following steps: A. circularly arranging a plurality of prestressed reinforcements, welding spiral tendons on the outer sides of the plurality of prestressed reinforcements to cause the plurality of prestressed reinforcements to form a prestressed reinforcement skeleton cage, and arranging fiber enhanced plastic tendons in the prestressed reinforcement skeleton cage to form a compound skeleton cage; B. hoisting the compound skeleton cage into the lower die body of a cleaned die, and respectively installing end joint plates connected with an anchor ear plate onto two ends of the compound skeleton cage; C. conveying the pre-stirred concrete material to the die body by a concrete stirrer; D. horizontally putting the die in step C, and carrying out prestressed stretching on the compound skeleton cage; E. carrying out centrifugal shaping on the stretched die on a centrifugal machine, and completely pouring residual slurry on the inner wall after shaping; and F. hoisting the above die into a steam curing pool for steam curing, and removing the die after steam curing to obtain the pile.

The invention provides an activated powder concrete pole with high strength and high conductivity, which comprises an activated powder concrete pole base body, wherein a plurality of steel reinforcing ribs are arranged in the activated powder concrete pole base body. The activated powder concrete pole is characterized in that the activated powder concrete pole base body comprises SiO2, CaO, steelfibers, polypropylene, cement, silicon powder, water and a water reducing agent; and conducting corrosion resistant layers are attached on all the steel reinforcing ribs. The invention further provides a making method which comprises the following steps of: making a magnetic polyaniline polymer solution used for attaching the conducting corrosion resistant layers on the steel reinforcing ribs, making activated powder concrete and making the activated powder concrete pole finished product. The conducting corrosion resistant layers have good conducting property. When thunder acts on the pole, thunder current can be smoothly guided into the ground. The compressive strength and the anti-cracking property of the concrete are enhanced by the activated powder concrete. The making method is scientific and reasonable. The made activated powder concrete pole with high strength and high conductivity has the advantages of good quality, long service life and low cost.

The invention belongs to the technical field of buildings, and relates to a prestress tensioning mechanism for a steel reinforcement cage. The prestress tensioning mechanism comprises a stander, wherein a tensioning oil cylinder is fixed on the stander; a connecting shaft oil cylinder which is in sliding connection with the stander is arranged in the stander; the power output shaft of the tensioning oil cylinder is fixedly connected with the connecting shaft oil cylinder, and the power output shaft of the connecting shaft oil cylinder is connected with a taper sleeve which is provided with a conical inner cavity and in sliding connection with the inner wall of the stander; the taper sleeve can do reciprocating motion along the inner wall of the stander under the action of the power output shaft of the connecting shaft oil cylinder and is hinged with a plurality of catching blocks which are uniformly arranged along the circumferential direction of the taper sleeve and are in sliding connection with the taper sleeve. The prestress tensioning mechanism can automatically realize connection with a tensioning screw rod and tension the steel reinforcement cage; after the steel reinforcement cage is tensioned, the prestress tensioning mechanism can automatically lock and tension large nuts and is high in automation degree.

The invention relates to the field of immersed tube tunnels, in particular to a movable reinforcement cage binding jig, which comprises a plurality of sliding tracks, an outer jig and an inner jig, wherein the sliding tracks are arranged in parallel, the outer jig is fixed out of a reinforcement cage, the inner jig is arranged in the reinforcement cage and is positioned on the sliding tracks, and the inner jig can move along the sliding tracks. The inner jig and the reinforcement cage of the movable reinforcement cage binding jig are arranged on the sliding tracks and can be removed and conveniently moved, the movable reinforcement cage binding jig is suitable for factory large-sized prefabricated parts, and a movable jig structure which can be quickly installed and removed is adopted, so that the work efficiency and the precision of binding the reinforcement cage are improved.

The invention discloses a vertical integral forming mould of a novel prefabricated concrete segment and a forming method thereof, and the forming mould is assembled by an inside template, an outside template, a partitioning board, a bottom die, a cover plate and a positioning spigot. The forming method comprises the following steps: firstly assembling the mould, positioning and fixing reinforcing bars in the segment to the mould, reserving pre-stressed ducts, casting high-intensity and self-compaction concrete, and finally installing the cover plate on the mould to form the prefabricated concrete segment with the special shape. In the forming mould and the forming method, prefabricated concrete segments with different shapes and sizes can be manufactured as needed and are accurate in size and simple in manufacturing method, thus the forming mould and the forming method are applied to industrialization quantity production.

The invention discloses a non-autoclaved prestressed high-strength centrifuge pipe pile and a preparation method thereof. The concrete used by the pipe pile comprises the following components in parts by weight: 550-650 parts of cement, 1761-1905 parts of sand and gravel, 1.65-2.6 parts of water reducing agent and 93.5-136.5 parts of water. The cement comprises the following components in percentage by weight: 70-90% of cement, 5-20% of microbead and 5-10% of silica fume. The method for preparing the pipe pile comprises the following steps:: A. proportionally adding water, sand, gravel and water reducing agent into cement to prepare concrete; B. distributing the concrete in a steel mold, closing the mold, stretching, and centrifugally forming a prestressed concrete pipe pile on a centrifugal machine, wherein the centrifugal forming technique comprises four stages, including low speed, medium speed, medium high speed and high speed; and C. carrying out primary atmospheric steam curing or water curing on the centrifugally formed prestressed concrete pipe pile while controlling the constant temperature at 75-95 DEG C, and naturally standing for 7 days. The strength level of the concrete satisfies C105 strength requirements.

The invention discloses a construction method for a connecting part of PHC tubular piles, which is characterized in that: the circumferential positioning of two butted PHC tubular piles (8) on each layer is carried out through a connecting piece (7); and the inside and outside of a pipe wall of the connecting part of the PHC tubular piles (8) on each layer are grouted from the bottom up. The construction method for the connecting part of the PHC tubular piles ensures good connecting effect between the PHC tubular piles (8) and low cost.

The invention discloses a preparation method of a prestress high-strength concrete (PHC) tubular pile, which comprises the steps of: mixing 8-22 percent by weight of all-spherical superfine fly ash into 78-92 percent by weight of over 42.5 grade high-grade portland cement or common portland cement to form a gel material; and fully stirring the gel material with sand, macadam, naphthalene series superplasticizer or carboxylic acid superplasticizer and water in a forced stirring machine together for 180-240s to obtain a mixture, then feeding the mixture into a lower half die of a tubular pile steel die loaded with prestressed steel, connecting an upper half die of the tubular pile steel die and tensioning the prestressed steel, placing the steel die in a centrifugal machine for centrifuging, then carrying out normal pressure steam curing for 4-5h at a temperature of 70-90 DEG C, cooling and demoulding and then statically curing for 1-3 days to obtain the prestress high-strength concrete tubular pile with compression strength exceeding C80. The density of the concrete is greatly improved, the durability is improved, and the early and later-stage compression strengths of the concrete are greatly enhanced.

The invention relates to a concrete pipe production process. The process includes the following steps: a vibration platform is set, the vibration platform is a mechanical vibration machine with double amplitude vibration sources and amplitude of 1-2, a movable or nonmovable mould is made, the specification Phi of the mould is 1000-3600mm; concrete is prepared; assembling is carried out and the mould is fixed, namely a core mould and an external mould are lifted and mounted and are connected with the base of the mould, and a skeleton steel bar cylinder mould is placed into the mould, and the mould is fixed on the vibration platform to be poured and vibrated; and a moulding opening is arranged on the vibration platform, and concrete is poured into the mould by virtue of an automatic pouring device. A vibration glue pier is arranged between landing legs of the vibration platform, and swing amplitude of eccentric block is reduced. The invention has high vibration frequency, low energy consumption, reasonable vibration distribution and high product moulding compaction rate, and no undesirable influence can be produced on longitudinal and transverse vibrations; vibration moulding speed is fast, equipment cost thereof is only one fourth that of core mould vibration equipment; besides, motor power is low, vibration time is short, and energy sourced is saved.

The invention discloses a production method of a non-surplus-slurry and non-autoclaved prestressed concrete pipe pile, which comprises the following steps of preparing raw materials, performing material distribution, die assembly and tensioning treatment, performing low speed, low medium speed, medium speed and high speed centrifugation sequentially, and performing normal temperature steam curing, wherein in the step of preparing the raw materials, the raw materials consist of the following ingredients in parts by weight: 380-420 parts of cement, 80-120 parts of pulverized fuel ash, 650-790 parts of sand, 130-160 parts of water, 1050-1200 parts of gravel, 8-15 parts of novel polycarboxylate superplasticizer and 5-20 parts of excitant; in the step of the low speed centrifugation, a rotating speed is 70-75r/min and the time is 3-5min; in the step of the low medium speed centrifugation, the rotating speed is 120-140r/min and the time is 1.5-2.5min; in the step of the medium speed centrifugation, the rotating speed is set as 230-250r/min; in the step of the high speed centrifugation, the rotating speed is set as 450-550r/min; and the step of normal temperature steam curing comprises three stages, namely the heating stage, the constant temperature stage and the cooling stage. The production method can reduce the quantity of surplus slurry greatly, so that energy conservation and environmental protection are facilitated; the energy conservation and emission reduction are further realized only by an atmospheric pressure steam curing process; and the production method does not require solid microbead raw materials, so that the cost of the non-autoclaved prestressed concrete pipe pile is lowered greatly.

The invention relates to a vertical type vibratory molding process for a concrete tube of a lining type prestressed steel cylinder, which is used for molding a tube core of the concrete tube of the lining type prestressed steel cylinder; a vertical type mould is utilized for pouring and vibratory molding; the vertical type mould consists of a bottom mould, a cylindrical core mould and a top mould; the bottom mould and the top mould are respectively and correspondingly provided with a clamp table of the core mould and a clamp ring of the core mould; the core mould is assembled on the clamp table of the core mould and the clamp ring of the core mould; the top mould at the outer side of the clamp ring of the core mould is provided with a clamp ring of a faucet of the steel cylinder; a baiting port is arranged between the clamp ring of the core mould and the clamp ring of the faucet; and a vibrator is fixed on the inner wall of the core mould. The vertical type vibratory molding process can realize the mechanical feeding, vibratory molding, small labor intensity and high production efficiency.

A method of fabricating a double-walled shell of fiber reinforced plastic material is by centrifuging. The outer wall of the shell is made by projecting glass fibers and resin in a liquid phase against an inside face of a cylindrical mold rotating about its horizontal axis. A section member is then applied against the inside face of the outer wall by a plurality of turns having a diameter substantially equal to the inside diameter of the outer wall and separated from one another by a distance substantially equal to the thickness of the outer wall. The section member has a channel section with a web and two flanges extending radially outward, defining a sealed helical duct. The space between the turns is filled with resin by centrifuging, forming a helical spacer, and the inner wall is formed by centrifuging.

The invention discloses a process for manufacturing a centrifugal concrete pile. The process comprises the following flows of: (1) manufacturing a reinforcement cage, and placing the manufactured reinforcement cage in a lower mold; (2) assembling an end plate, and inserting a main reinforcement into a counter bored hole to be welded with the end plate; (3) uniformly stirring cement, sand, stones, a superplasticizer and a mineral additive, then distributing materials, and closing the mold to obtain a concrete pile; (4) applying prestressing force to the main reinforcement at one end of the concrete pile by using a prestressing force reinforcement stretch-draw machine according to the requirements of production processes; (5) after the stretch-draw process is finished, performing centrifugal molding which is divided into four stages, namely a low-speed stage, a middle-speed stage, a middle-high-speed stage and a high-speed stage; (6) hoisting the concrete pile and the mold into a steam curing pond, curing, opening a kettle and transporting the pile; and (7) hoisting the pile-containing mold to a demoulding area, demoulding, and then hoisting to a storage yard. In the concrete pile manufactured by the process, the design value of bending bearing force of a pile body can be improved by more than 12 percent, and the design value of drawing bearing force can be improved by more than 10 percent.

The invention provides a high-toughness pipe pile firstly, each pipe section uses an ultrahigh-toughness cementitious composite (UHTCC) as a pipe pile substrate, vertical rebars are provided in the pipe wall along the length direction of the pipe pile, and spiral stirrups are provided around the vertical rebars, steel end plates and steel hoops are provided on both end parts of each pipe section, the vertical rebars are welded to the steel end plates in way of plug welding, and all pipe sections are connected together via the steel end plates on the end parts in way of welding. The high-toughness pipe pile combines with common advantages of steel pipe pile and prestressed concrete pipe pile well, and guarantees endurance quality of pipe pile in marine environment with serious erosion.

The invention discloses a fabricating method of a concrete preformed pile in a saline soil region and belongs to the field of civil engineering. The fabricating method comprises the following steps of: mixing light calcined magnesia powder or a mixture of light calcined magnesia powder and calcined lime with mineral admixtures such as granulated blast-furnace slag, pulverized fuel ash, silica fume and steel slag according to a certain proportion and taking the mixture as a cementing material, mixing the cementing material, thick and thin aggregates such as sand stones, and water, taking the mixture as a base material for producing the preformed pile, and finally hardening the base material under a CO2 environment after processes of stirring, forming, pre-curing and the like. As the final products of the cementing material after being subjected to hydration and carburization are magnesium carbonate and calcium carbonate which are not corroded by salinity in the saline soil, the cementing material has enough durability. The corrosion-resistant concrete preformed pile is suitable for the saline soil having a salt content not higher than 44% (mass percentage content).

The process of making concrete pile includes the following steps: 1. mounting the reinforcing cage, skeleton and jig for the concrete pile integrally and setting on one rotating apparatus; 2. inclining the concrete pile jig to proper angle and aligning the material feeding port of the jig to the discharging port of the concrete material bin; 3. starting the rotating apparatus to rotate the jig in certain speed and feeding well stirred concrete into the jig; and 4. blocking the material feeding port of the jig after finishing feeding, and inclining the jig downwards while rotating properly. The process of making concrete pile has high production speed, high pile product quality, saving in concrete and other advantages, and may be applied widely in producing pipe pile, pole and other concrete product.