CN114434628A - Production method of tubular pile - Google Patents
Production method of tubular pile Download PDFInfo
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- CN114434628A CN114434628A CN202210172560.XA CN202210172560A CN114434628A CN 114434628 A CN114434628 A CN 114434628A CN 202210172560 A CN202210172560 A CN 202210172560A CN 114434628 A CN114434628 A CN 114434628A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000004568 cement Substances 0.000 claims abstract description 20
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 11
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 230000000996 additive effect Effects 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 8
- -1 gravel Substances 0.000 claims abstract description 3
- 239000004575 stone Substances 0.000 claims description 18
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 13
- 238000009826 distribution Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 7
- 238000005406 washing Methods 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
- B28B21/62—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements circumferential laterally tensioned
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/10—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means
- B28B21/22—Methods or machines specially adapted for the production of tubular articles by casting into moulds using compacting means using rotatable mould or core parts
- B28B21/30—Centrifugal moulding
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/24—Prefabricated piles
- E02D5/30—Prefabricated piles made of concrete or reinforced concrete or made of steel and concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/58—Prestressed concrete piles
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0007—Production methods using a mold
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/0046—Production methods using prestressing techniques
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Piles And Underground Anchors (AREA)
Abstract
The invention discloses a production method of a tubular pile, which comprises the following steps: the mud making part comprises a material mixing step and a material stirring step, wherein in the material mixing step, raw materials comprise cement, gravel, water and an additive, the additive comprises 0.5-0.7% of a glue reducer and 1.5-3.5% of a water reducer, and in the material stirring step, the raw materials are stirred and mixed to prepare concrete mud; manufacturing a cage part, wherein the cage part comprises a cage body processing step, an end plate processing step and a steel ferrule assembling step; the pile manufacturing part comprises a charging step, a centrifuging step and a steam curing step which are sequentially arranged, wherein the charging step comprises a cage filling step, a cloth step, a mold locking step and a tensioning step, the centrifuging step drives a pipe pile mold to rotate, and the steam curing step comprises a normal pressure steam curing step, a mold removing step and a high pressure steam curing step which are sequentially arranged. The production method of the tubular pile can reduce energy consumption and save water and cement.
Description
Technical Field
The invention relates to the manufacture of a tubular pile, in particular to a production method of the tubular pile.
Background
A tubular pile is a pipe made of steel bars and concrete.
In the manufacturing mode, the manufacturing steps mainly comprise cage manufacturing, cage loading, material distribution, mold closing, centrifugation, steam curing and the like.
Wherein, the manufacturing step has still rationally arranged the tensioning to promote the quality of tubular pile.
However, the energy consumption for manufacturing the tubular pile is high, and more water and cement are consumed.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a production method of a tubular pile, which can reduce energy consumption and save water and cement.
According to the first aspect embodiment of the invention, the production method of the tubular pile comprises the following steps: the mud making part comprises a material mixing step and a material stirring step, wherein in the material mixing step, raw materials comprise cement, gravel, water and an additive, the additive comprises a glue reducing agent accounting for 0.5-0.7% and a water reducing agent accounting for 1.5-3.5%, and in the material stirring step, the raw materials are stirred and mixed to prepare concrete mud; the method comprises the steps of manufacturing a cage part, wherein the cage manufacturing step comprises a cage body processing step, an end plate processing step and a steel ferrule assembling step, reinforcing steel bars are woven into a cylindrical cage body in the cage body processing step, the end plate with a threaded sleeve is manufactured in the end plate processing step, and the steel ferrule is assembled between the cage body and the end plate in the steel ferrule assembling step to form a reinforcing steel cage; the pile manufacturing part comprises a charging step, a centrifuging step and a steam curing step which are sequentially arranged, wherein the charging step comprises a cage loading step, a cloth loading step, a mold locking step and a tension step, the cage loading step is used for loading a steel bar cage into a tubular pile mold, the cloth loading step is used for distributing concrete mud in the tubular pile mold, the mold locking step is used for covering and locking the tubular pile mold, the tension step is used for tensioning the steel bar cage, the centrifuging step drives the tubular pile mold to rotate, and the steam curing step comprises a normal pressure steam curing step, a mold removing step and a high pressure steam curing step which are sequentially arranged.
According to some embodiments of the invention, cement and gravel are loaded into a hopper in the batching step, a discharge port and a turnover cover are arranged at the bottom of the hopper, the turnover cover intermittently seals the discharge port, a conveying belt is arranged below the hopper and conveys the cement and gravel into a stirring machine, and then, in the stirring step, water and additives are added into the stirring machine and the stirring machine is started to stir.
According to some embodiments of the invention, the dosing step is preceded by a washing step, which rinses the stones with water, and a screening step, which screens the stones with a vibrating screen.
According to some embodiments of the invention, in the step of processing the cage body, a fixed-length reinforcing steel bar is cut, and then pier heads are performed on two ends of the reinforcing steel bar, so that pier heads are formed at two ends of the reinforcing steel bar.
According to some embodiments of the invention, in the tensioning step, a plurality of buckles are arranged along a circumferential direction of the end plate, the buckles abutting against the end plate to tension the reinforcement cage.
According to some embodiments of the invention, in the step of processing the cage body, the cage body has a spiral rib that extends spirally in an axial direction of the cage body.
According to some embodiments of the invention, in the cage loading step, a separant is coated on the inner surface of the tubular pile die, and then the reinforcement cage is placed into the tubular pile die.
According to some embodiments of the present invention, in the distributing step, a distributing cart is used, which moves in a length direction of the pipe pile mold while loading the concrete mud into the pipe pile mold.
According to some embodiments of the invention, in the distributing step, a bottom of the distributing cart is provided with a scraper having an inner circular surface which scrapes off a top of the concrete mud in the pipe pile mold.
According to some embodiments of the invention, in the centrifuging step, two parallel supporting rollers are provided, the pipe pile die is located between the two supporting rollers, and the supporting rollers rotate to drive the pipe pile die to rotate.
The production method of the tubular pile according to the embodiment of the invention at least has the following beneficial effects:
1. according to the invention, the mud making part is arranged, so that the raw materials contain the glue reducing agent and the water reducing agent, on one hand, the glue reducing agent is utilized to improve the fluidity of the concrete mud, so that the raw materials are uniformly mixed and stirred, and the quality of the concrete mud is improved, on the other hand, the water reducing agent is utilized to improve the activity of the cement, so that the cement is conveniently dispersed, the water dependence is reduced, the water consumption is further reduced, and the cement consumption is also saved.
2. According to the invention, the cage manufacturing part is provided with the cage body processing step, the end plate processing step and the steel sleeve hoop assembling step, so that the manufacturing of the steel reinforcement cage can be divided into three parts which are reasonable and orderly and are not easy to be confused, the end plate and the cage body can be conveniently fixed by using the steel sleeve hoop, the strength of the cage body is improved, the steel reinforcement cage is not easy to deform, meanwhile, the end plate can be conveniently stretched subsequently, the strength of a tubular pile is improved, and the end plate is provided with the screw sleeve, so that a pile tip can be conveniently installed, and various requirements are met.
3. The pile manufacturing method comprises the steps of arranging a pile manufacturing part, enabling the pile manufacturing part to have a charging step, a centrifuging step and a steam curing step which are sequentially arranged, wherein the charging step comprises a cage loading step, a cloth distributing step, a mold locking step and a tensioning step, the cage loading step loads a steel bar cage into a tubular pile mold, the cloth distributing step distributes concrete mud in the tubular pile mold, the mold locking step covers and locks the tubular pile mold, the tensioning step stretches the steel bar cage, the centrifuging step drives the tubular pile mold to rotate, and the steam curing step comprises a normal pressure steam curing step, a mold removing step and a high pressure steam curing step which are sequentially arranged, so that the steel bar cage and the concrete mud are loaded into the tubular pile mold, and then the mold locking, the tensioning and the centrifuging are carried out, so that the tubular pile is shaped.
4. The invention sets the steam curing step, so that the steam curing step comprises the normal pressure steam curing step, the form removal step and the high pressure steam curing step, therefore, the normal pressure steam curing step is utilized to further solidify the tubular pile, the tubular pile is not easy to be damaged and deformed, the form removal is convenient, and the high pressure steam curing is carried out after the form removal, so that the inside and the outside of the tubular pile can be uniformly solidified, the tubular pile is prevented from generating cracks, and the quality of the tubular pile is ensured.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a flow chart of a production method of a tubular pile according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A method for producing a tube pile according to an embodiment of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides an embodiment of a method for producing a tube pile.
In this embodiment, the production method of the tubular pile mainly comprises a mud making part, a cage making part and a pile making part.
Wherein, system mud part can go on in proper order with system cage part, also can go on simultaneously, satisfy system stake part needs can, system stake part is settled after system mud part and system cage part, finally produces the tubular pile.
For the mud making part, the mud making part mainly comprises a cleaning step, a screening step, a batching step and a material mixing step.
Wherein, in the cleaning step, the stones are placed on a conveyor belt, and the conveyor belt conveys the stones from the stockpile to a subsequent process.
Above the conveyer belt, can set up multiunit spray header, the spray header water washs the stone, removes the earth on sand stone and stone surface, avoids influencing the quality of concrete mud.
In the screening step, the gravel is conveyed onto the vibrating screen by the conveyor belt, and the pores of the vibrating screen enable large stones to be left on the vibrating screen and small stones to fall below the vibrating screen.
On the shale shaker, be provided with the shower pipe equally, the further washing of shower pipe for the stone is cleaner, still avoids vibrating to produce the dust.
The vibrating screen can be arranged in multiple layers, so that stones are increased into multiple specifications, muddy water is prevented from being mixed with the bottommost stones, and qualified stones are provided.
To the stone that the shale shaker sieved, the conveyer belt that the rethread set up in addition is carried to different position, makes things convenient for the back process to choose for use.
In the batching step, because the use amount is great, can use the loader, the hopper is put into with cement, grit to the loader, and the hopper can be a plurality of to batching in advance adapts to subsequent agitator tank or the productivity demand or the work rhythm of trucd mixer, avoids the ratio to change.
To the structure of hopper, the bottom of hopper sets up discharge gate and flip cover, and flip cover intermittent type seals the discharge gate, and the below of hopper is provided with the conveyer belt, and the conveyer belt is with cement and gravel input mixer or agitator tank.
The gravel comprises stones and sand, the stones are obtained through a cleaning step and a screening step, and the sand is generally obtained from a river channel or can be purchased.
In the step of mixing materials, when cement and gravel enter a stirrer or a stirring tank, water and additives are synchronously added, so that the proportioning requirement and the reaction aging are met.
The raw materials comprise cement, sand, water and an additive according to the proportion, wherein the additive comprises 0.5-0.7% of a glue reducer and 1.5-3.5% of a water reducer.
In this embodiment, the water reducing agent is a polycarboxylic acid, and the glue reducing agent should be triethanolamine or the like, so that the water reducing agent and the glue reducing agent are adapted to each other to meet the use requirement.
The cage manufacturing part mainly comprises a cage body processing step, an end plate processing step and a steel ferrule assembling step.
Wherein, the step of processing the cage body weaves the reinforcing steel bars into the cylindrical cage body.
Specifically, purchase the reinforcing bar earlier, then, cut off the reinforcing bar fixed length, then, carry out the pier nose to the both ends of reinforcing bar, make the both ends of reinforcing bar form the pier nose.
Then, annular reinforcing steel bars and spiral reinforcing steel bars are manufactured respectively, and then the spiral reinforcing steel bars and the annular reinforcing steel bars are woven together to form the cage body, so that the cage body is not easy to twist and deform.
Wherein, the spiral muscle extends along the axis direction spiral of cage body.
The end plate with the thread sleeve is manufactured in the end plate machining step, the end plate is used for installing two ends of the cage body, and the thread sleeve on the end plate can be used for installing a pile tip or fixing the pile tip, so that the use is convenient.
In the step of assembling the steel ferrule, the steel ferrule is assembled between the cage body and the end plate to form the steel reinforcement cage.
In addition, the operation of assembling the steel ferrule can be synchronously performed with the subsequent cage assembling step so as to be smoothly connected and reduce the process difficulty.
The steel ferrule is generally obtained by self-manufacturing or by purchase, and is very easy to obtain.
And for the pile making part, the pile making part comprises a charging step, a centrifuging step and a steam curing step which are sequentially arranged.
Wherein, the charging step comprises the steps of cage loading, material distribution, mold locking and tensioning.
Specifically, firstly, the inner surface of the pipe pile mould is coated with the isolating agent, then the cage filling step is carried out, the steel bar cage is filled into the pipe pile mould in the cage filling step, and a crane is used for filling the steel bar cage, so that the pipe pile mould is convenient and quick.
And the cloth process step is with concrete mud cloth in the tubular pile mould, and is concrete, uses the cloth car, and the cloth car removes along the length direction of tubular pile mould, and simultaneously, the cloth car is packed concrete mud into the tubular pile mould.
In some preferred embodiments, the bottom of the distribution vehicle is provided with a scraper having an inner circumferential surface that scrapes off the top of the concrete mud in the pipe pile mold, thereby making the distribution of the concrete mud in the pipe pile mold uniform.
In the mode locking process step, can use the combination of screw rod and nut to accomplish, the screw rod articulates on the tubular pile mould, the nut closes on the screw rod soon, and another board of tubular pile mould sets up the breach of holding screw rod, therefore, screw rod and nut can be convenient locking mould, still be difficult to lose screw rod and nut.
In the stretching step, a plurality of buckles are arranged along the circumference of the end plate, and the buckles abut against the end plate to stretch the reinforcement cage, which can be referred to CN202023037757.8 as a stretching tool for producing the tubular pile.
In the centrifugation step, the centrifugation step drives the tubular pile die to rotate, specifically, two parallel supporting rolls are arranged, the tubular pile die is positioned between the two supporting rolls, and the supporting rolls rotate to drive the tubular pile die to rotate.
The detailed structure can be seen in cn202022827750.x, a centrifugal unit and a centrifugal machine for producing tube piles, which are not described again.
And for the steam curing step, the steam curing step comprises a normal-pressure steam curing step, a form removing step and a high-pressure steam curing step which are sequentially arranged.
The specific parameters of the normal pressure steam curing step and the high pressure steam curing step can refer to the adjustment settings of time, temperature and air pressure in the concrete pile curing data, and are not described in detail.
In summary, the raw materials contain the gel reducing agent and the water reducing agent by arranging the mud making part, so that on one hand, the gel reducing agent is utilized to improve the fluidity of the concrete mud, the raw materials are mixed uniformly and uniformly, and the quality of the concrete mud is improved, on the other hand, the water reducing agent is utilized to improve the activity of the cement, facilitate the dispersion of the cement, reduce the water dependence, further reduce the water consumption, and also save the cement consumption.
Secondly, the cage manufacturing part is provided with the cage manufacturing part, so that the cage manufacturing part has the steps of cage body processing, end plate processing and steel hoop assembling, the steel reinforcement cage can be manufactured into three parts which are reasonable and orderly and not easy to be confused, the end plate and the cage body can be conveniently fixed by using the steel hoop, the strength of the cage body is improved, the steel reinforcement cage is not easy to deform, meanwhile, the end plate can be conveniently tensioned subsequently, the strength of the tubular pile is improved, in addition, the end plate is provided with the screw sleeve, the pile tip can be conveniently installed, and various requirements are met.
Furthermore, the pile manufacturing part is provided with a loading step, a centrifuging step and a steam curing step which are sequentially arranged, wherein the loading step comprises a cage loading step, a cloth distributing step, a mode locking step and a tensioning step, the cage loading step loads a reinforcement cage into a tubular pile mould, the cloth distributing step distributes concrete mud into the tubular pile mould, the mode locking step covers and locks the tubular pile mould, the tensioning step stretches the reinforcement cage, the centrifuging step drives the tubular pile mould to rotate, and the steam curing step comprises a normal pressure steam curing step, a mode removing step and a high pressure steam curing step which are sequentially arranged, so that the reinforcement cage and the concrete mud are loaded into the tubular pile mould, and then the tubular pile is locked, tensioned and centrifuged to shape the tubular pile.
In addition, the steam curing step is arranged, so that the steam curing step comprises the normal pressure steam curing step, the form removal step and the high pressure steam curing step, the tubular pile is further solidified by utilizing the normal pressure steam curing step, the tubular pile is not easy to damage and deform, the form removal is convenient, and the high pressure steam curing is carried out after the form removal, so that the inside and the outside of the tubular pile can be uniformly solidified, the tubular pile is prevented from generating cracks, and the quality of the tubular pile is ensured.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A production method of a tubular pile is characterized by comprising the following steps:
the mud making part comprises a material mixing step and a material stirring step, wherein in the material mixing step, raw materials comprise cement, gravel, water and an additive, the additive comprises a glue reducing agent accounting for 0.5-0.7% and a water reducing agent accounting for 1.5-3.5%, and in the material stirring step, the raw materials are stirred and mixed to prepare concrete mud;
the method comprises the steps of manufacturing a cage part, wherein the cage manufacturing step comprises a cage body processing step, an end plate processing step and a steel ferrule assembling step, reinforcing steel bars are woven into a cylindrical cage body in the cage body processing step, the end plate with a threaded sleeve is manufactured in the end plate processing step, and the steel ferrule is assembled between the cage body and the end plate in the steel ferrule assembling step to form a reinforcing steel cage;
the pile manufacturing part comprises a charging step, a centrifuging step and a steam curing step which are sequentially arranged, wherein the charging step comprises a cage loading step, a cloth loading step, a mold locking step and a tension step, the cage loading step is used for loading a steel bar cage into a tubular pile mold, the cloth loading step is used for distributing concrete mud in the tubular pile mold, the mold locking step is used for covering and locking the tubular pile mold, the tension step is used for tensioning the steel bar cage, the centrifuging step drives the tubular pile mold to rotate, and the steam curing step comprises a normal pressure steam curing step, a mold removing step and a high pressure steam curing step which are sequentially arranged.
2. The production method of the tubular pile according to claim 1, wherein in the burdening step, cement and gravel are loaded into a hopper, a discharge port and a turnover cover are arranged at the bottom of the hopper, the discharge port is intermittently sealed by the turnover cover, a conveyer belt is arranged below the hopper, the conveyer belt inputs the cement and gravel into a stirrer, and then in the stirring step, water and additives are added into the stirrer and the stirrer is started to stir.
3. The production method of the tubular pile according to claim 1, wherein the batching step is preceded by a washing step and a screening step, the washing step is performed by washing the stones with water, and then the screening step is performed by screening the stones with a vibrating screen.
4. The production method of the tubular pile according to claim 1, wherein in the step of processing the cage body, the reinforcing steel bars with fixed length are cut out, and then pier heads are performed on both ends of the reinforcing steel bars, so that pier heads are formed at both ends of the reinforcing steel bars.
5. The method for producing a tubular pile according to claim 1, wherein in the step of tensioning, a plurality of buckles are arranged along a circumferential direction of the end plate, the buckles abutting against the end plate to tension the reinforcement cage.
6. The production method of a tubular pile according to claim 1, wherein in the step of processing the cage body, the cage body has a spiral rib that extends spirally along an axial direction of the cage body.
7. The production method of a tubular pile according to claim 1, wherein in the cage loading step, a spacer is coated on the inner surface of the tubular pile die, and then the reinforcement cage is placed in the tubular pile die.
8. The production method of a tubular pile according to claim 1, wherein in the material distribution step, a material distribution cart is used, the material distribution cart moves in the length direction of the tubular pile mold, and at the same time, the material distribution cart loads the concrete mud into the tubular pile mold.
9. The production method of a tubular pile according to claim 8, wherein in the material distributing step, a scraper is provided at the bottom of the material distributing cart, the scraper having an inner circular surface that scrapes off the top of the concrete mud in the tubular pile mold.
10. The production method of the tubular pile according to claim 1, wherein in the centrifuging step, two parallel supporting rolls are provided, the tubular pile die is positioned between the two supporting rolls, and the supporting rolls rotate to drive the tubular pile die to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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