CN113119296A

CN113119296A - Preparation method and system of partially prestressed concrete pile foundation for power transmission line tower

Info

Publication number: CN113119296A
Application number: CN202110397047.6A
Authority: CN
Inventors: 杨立新; 杨原; 杨静; 李首军; 樊永华; 孙以伶; 靳宇
Original assignee: Inner Mongolia Liyuan Pipe Culvert Engineering LLC
Current assignee: Inner Mongolia Liyuan Pipe Culvert Engineering LLC
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-07-16

Abstract

The application discloses a method and a system for preparing a partially prestressed concrete pile foundation for a power transmission line tower. The method comprises the following steps: designing a steel bar framework; manufacturing a steel bar framework; pouring concrete; pre-stress tension; centrifugally forming a pile body and performing steam curing; demolding operation and quality inspection; wherein, concrete placement operation includes: receiving a pouring instruction; responding to a pouring instruction, and acquiring an alignment mode of a filling machine and a mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge hole of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold; and sending an alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation. According to the technical scheme provided by the embodiment of the application, the method improves the uniformity of the density of the concrete pile foundation and improves the bearing capacity of the pile foundation.

Description

Preparation method and system of partially prestressed concrete pile foundation for power transmission line tower

Technical Field

The application relates to the technical field of concrete member manufacturing, in particular to a method and a system for preparing a partially prestressed concrete pile foundation for a power transmission line tower.

Background

The concrete pile foundation is widely applied in life and production, and for example, the concrete pile foundation is needed when a power transmission line tower, a house or a bridge is built. The important link of concrete pile foundation preparation is pouring concrete into the mould.

Currently, concrete is generally poured into a mold by the following method: the mould is vertically placed, and concrete is filled into the mould by using a filling machine. So that concrete is deposited in the mould from low to high, filling the mould.

According to the pouring process, the concrete is slowly deposited from low to high, so that the conditions of high density at the low position and low density at the high position are easily caused, the density consistency is poor, the strength of the bearing capacity of the concrete is influenced by the density consistency difference, and the problems of concrete pile breakage and the like can be seriously caused.

Disclosure of Invention

In view of the problem of poor density consistency in the prior art, the application provides a preparation method of a partially prestressed concrete pile foundation for a power transmission line tower, which can improve the consistency of concrete density and improve the bearing capacity of concrete.

In a first aspect, an embodiment of the present application provides a method for manufacturing a partially prestressed concrete pile foundation for a power transmission line tower, where the method includes:

receiving a pouring instruction;

responding to a pouring instruction, and acquiring an alignment mode of a filling machine and a mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge hole of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold;

and sending an alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation.

Optionally, the filling machine is connected with a first traction device, and the sending and aligning manner includes:

and sending the alignment mode to the first traction device so that the first traction device pulls the filling machine to move until a discharge hole of the filling machine is aligned with the pouring hole indicated in the alignment mode.

Optionally, the mold is connected with a second traction device, and the sending alignment mode includes:

and sending the alignment mode to a second traction device, so that the second traction device pulls the mold to move until the pouring hole indicated in the alignment mode is aligned with the filling opening.

Optionally, the pouring holes of the mold are uniformly arranged along the axial direction of the mold.

Optionally, the pouring operation is performed by a filling machine, and then performing the pouring operation includes:

obtaining a concrete pouring weight value;

and after aligning according to the alignment mode each time, pouring concrete into the pouring hole according to the pouring weight value.

Optionally, the concrete comprises the following components in parts by weight: 20-30 parts of cement, 100-150 parts of water, 10-20 parts of an admixture, 110-130 parts of an admixture, 600-700 parts of sand and 1000-1100 parts of gravel.

In a second aspect, an embodiment of the present application provides a device for preparing a partially prestressed concrete pile foundation for a power transmission line tower, the device including:

the receiving module is used for receiving a pouring instruction;

the acquisition module is used for responding to the pouring instruction and acquiring the alignment mode of the filling machine and the mould, wherein the alignment mode comprises that the mould is horizontally placed, and a discharge port of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mould;

and the sending module is used for sending an alignment mode, and the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation.

In a third aspect, an embodiment of the present application provides a computer device, including:

one or more processors;

a memory for storing one or more programs;

the one or more programs, when executed by the one or more processors, cause the one or more processors to perform a method that implements the first aspect described above.

In a fourth aspect, an embodiment of the present application provides a computer-readable storage medium, on which a computer program is stored, the computer program being configured to implement the method of the first aspect.

In a fifth aspect, an embodiment of the present application provides a system for preparing a partially prestressed concrete pile foundation for a power transmission line tower, where the pouring system includes: the device comprises a terminal, a filling machine, a mould and a traction device;

the terminal is used for receiving a pouring instruction; responding to a pouring instruction, and acquiring an alignment mode of the filling machine and the mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge hole of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold; sending an alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation;

the traction device is used for drawing the filling machine or the mould to move after receiving the alignment mode so as to align a discharge hole of the filling machine with a pouring hole of the mould according to the alignment mode;

the filling machine is used for pouring concrete into the pouring hole of the mold after receiving the filling instruction;

the mould is used for receiving the concrete and forming the concrete.

According to the preparation method of the partially prestressed concrete pile foundation for the power transmission line tower, the discharge hole of the filling machine is circularly aligned to the central pouring hole and the two side pouring holes of the mold; and sending an alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation. Compare like this and pour from one side to the another side in prior art, this application can mix the concrete of preparation many times in the different positions of pile foundation, like this after carrying out centrifugal operation, reduces the inconsistent condition of density easily, reduces the condition of breakpoint, improves the quality of concrete pile foundation, and then improves pile foundation bearing capacity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments or the prior art are briefly introduced below, and it is apparent that the drawings are only for the purpose of illustrating a preferred implementation method and are not to be considered as limiting the present application. It should be further noted that, for the convenience of description, only the relevant portions of the present application, not all of them, are shown in the drawings.

Fig. 1 is a flow chart of a method for preparing a partially prestressed concrete pile foundation for a power transmission line tower according to an embodiment of the application;

fig. 2 is an environmental architecture diagram of a concrete pile foundation pouring method implemented in the process of preparing a partially prestressed concrete pile foundation for a power transmission line tower according to an embodiment of the present application;

FIG. 3 is a flow chart illustrating a method for casting a concrete pile foundation according to an embodiment of the present disclosure;

FIG. 4 is a block diagram of a concrete pile foundation casting apparatus according to an embodiment of the present disclosure;

FIG. 5 is a block diagram illustrating a concrete pile foundation casting system according to an embodiment of the present disclosure;

FIG. 6 is a block diagram illustrating a computer system according to an embodiment of the present application;

fig. 7 is a flow chart illustrating a process for preparing a partially prestressed concrete pile foundation for a tower of a power transmission line according to an embodiment of the present application;

fig. 8 is a schematic view illustrating a concrete pile foundation structure according to an embodiment of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant disclosure and are not limiting of the disclosure. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The concrete pile foundation pouring mentioned in the present application is related steps involved in the preparation of a partially prestressed concrete pile foundation for a power transmission line tower, and therefore, before describing the concrete pile foundation pouring method shown in fig. 2 to implement an environmental architecture diagram, first, brief steps of the preparation of the prestressed concrete pile foundation for a power transmission line tower are described, and referring to fig. 1 in combination with fig. 7, the main steps are as follows:

step 101, designing a steel reinforcement framework

And finishing the design of the pile foundation according to the requirements of actual working conditions, and drawing a corresponding drawing and a reinforcing steel bar distribution diagram.

The steel reinforcement framework comprises prestressed main reinforcements and non-prestressed main reinforcements. The prestressed main reinforcements and the non-prestressed main reinforcements are adopted to jointly manufacture the framework, so that the toughness of the steel reinforcement framework can be improved compared with the mode that the prestressed main reinforcements are completely used, and the bearing capacity of the steel reinforcement framework can be improved compared with the mode that the non-prestressed main reinforcements are completely used.

Step 102, manufacturing a steel reinforcement framework

And (4) manufacturing a corresponding steel reinforcement framework according to the steel reinforcement distribution diagram in the step 101.

Optionally, winding a spiral rib on the outer circumference of the steel reinforcement framework, and welding and fixing the spiral rib and the steel reinforcement framework; and welding a steel plate ring and a connecting flange at the top of the steel reinforcement framework to obtain the new steel reinforcement framework.

The steel bar can be HRB400 hot rolled ribbed steel bar, and can improve the strength, the anti-collision performance and the toughness of the pile foundation so as to control the brittleness coefficient within a certain range.

Step 103, concrete pouring

And (3) placing the steel reinforcement framework manufactured in the step (102) into a mold, and pouring prefabricated concrete into the mold after the mold is closed.

Optionally, a release agent can be uniformly coated on the inner surface of the mold before pouring so as to facilitate the later demolding operation.

Step 104, prestress tension

And (3) carrying out prestress tensioning on the main bar of the steel bar framework by adopting a one-time tensioning method, uniformly loading during tensioning and repeatedly measuring the elongation value. In addition, if there is an abnormal tension during the tension, the tension is immediately stopped.

The concrete is prestressed in production, so that the crack resistance of the electric pole can be improved, no harmful cracks are generated in the operation of a line, and the rigidity of the electric pole is also improved.

105, centrifugally forming the pile body

Carrying out centrifugal operation on the assembly of the mould and the concrete, wherein the centrifugal process comprises a low-speed centrifugal process, a medium-speed centrifugal process and a high-speed centrifugal process, wherein the rotating speed of the low-speed centrifugal process is 1-300 r/min and the centrifugal time is 3-4min according to needs; the rotating speed in the middle-speed centrifugation process is 3-600 revolutions per minute, and the centrifugation time is 4-5 min; the rotating speed in the high-speed centrifugation process is 6-1500 rpm, and the centrifugation time is 12-15 min.

106, steam curing

And sending the combined part of the mould and the concrete pile into a steam curing pool for steam curing, wherein the steam curing process sequentially comprises four stages of standing, heating, constant temperature and cooling.

The environmental temperature of the static stage is 5-30 ℃, the static time is 2-3h, and simultaneously, the outer surface of the concrete pile is wrapped with a moisture-preserving layer, so that the concrete is prevented from cracking in the curing process.

The temperature rise speed in the temperature rise stage is less than 15 ℃/h, and the temperature rise time is 1-2 h.

In the constant temperature stage, the core temperature of the component is controlled to be lower than 55 ℃, and the maintenance time of constant temperature pinch-off is 4-6 h.

The temperature reduction speed in the temperature reduction stage is less than 15 ℃/h, and the temperature difference between the maintenance pool and the external environment is less than 15 ℃ after the temperature reduction is finished.

Step 107, demolding operation and quality inspection

The technical requirements of the raw materials used for preparing the concrete pile foundation are as follows:

1. the P.O52.5 ordinary portland cement is adopted, and the performance of the cement meets the GB175 specification.

2. The sand is hard sand with fineness modulus of 2.6-3.0, and coarse sand in the area II. The mud content is not more than 1 percent. The performance of the material is in accordance with the GB/T14684 regulation.

3. The stones are broken stones with 5-20 continuous size fractions, the crushing value is less than 12 percent, and the mud content is not more than 0.5 percent. The performance of the material is in accordance with the GB/T14685 specification.

4. The additive is a high-efficiency polycarboxylic acid water reducing agent.

5. The admixture is a high-performance mixed material prepared from fly ash, silica fume and superfine mineral powder.

When the pile foundation is manufactured, firstly, binding a corresponding steel reinforcement framework according to a drawing, then pouring concrete into a mold provided with the steel reinforcement framework, compacting loose concrete in a centrifugal mode after pouring is finished, and curing a concrete pile body through steam; compared with the prior art, the pile foundation is of a concrete structure, and compared with the traditional galvanized steel pile foundation, the pile foundation has higher structural stability, and meanwhile, the concrete layer can isolate the internal reinforcing steel bars from the external environment while improving the structural strength of the pile foundation, so that the internal reinforcing steel bars are better protected, and the service life of the pile foundation is prolonged.

The invention adopts the centrifugal molding process, which can effectively ensure the compactness of concrete and simultaneously prevent centrifugal layering, thereby effectively improving the quality of the whole pile foundation; and meanwhile, the steam curing is combined, so that cracks are prevented from occurring in the solidification process of the concrete, and the quality of the whole pile foundation is ensured.

The pile foundation is a novel line foundation material, and is produced by adopting high-strength steel bars in the market, preparing high-grade (> C80) concrete and utilizing special equipment and innovative technological methods and technological parameters.

Wherein, the C80 concrete formula is as follows:

unit: kilogram per cubic meter

The concrete pile foundation produced through the above steps is shown in fig. 8, and comprises a top flange 1, a steel plate ring 2, a rib plate 3, a main rib 4, a spiral rib 5, an inner steel hoop 6 and concrete 7.

Wherein, the top flange 1 is welded with the steel plate ring 2 and the rib plate 3 by electric welding; the main ribs 4 comprise prestressed main ribs and non-prestressed main ribs, and the main ribs 4 and the steel plate ring 2 are welded by electric welding; the main ribs 4 are uniformly distributed and welded on the inner steel hoop 6; the spiral rib 5 is wound on the periphery of the main rib 4; the concrete is centrifugally formed on the steel reinforcement framework through a centrifugal process.

Further, when the concrete pile foundation is produced by using the above steps, the requirements involved in the steps are as follows:

steel reinforcement framework

The amount of longitudinally stressed steel bars should be determined by design calculations. The longitudinal stress steel bars should be uniformly arranged along the circumferential direction of the electric pole, and the number of the steel bars arranged on the pole section should be not less than 20. In the longitudinal stress steel bars of a part of prestressed concrete electric pole, if ordinary steel bars need to be configured, the number of the steel bars is not less than 20, and the steel bars are uniformly configured. The diameter of the longitudinal stress steel bar is not larger than 2/5 of the wall thickness. The end face should be flat and should not be locally bent, and the surface should not have greasy dirt.

Spiral rib

(1) The spiral ribs should be aligned for rust removal and oil removal.

(2) The spiral stirrup and the prestressed reinforcement are connected by welding, and the strength loss of a welding spot is not more than 5% of the tensile strength of the material.

Manufacturing of flange plate

(1) The flange plate should be cleaned of rust slag and degreased.

(2) The flange plate and the pile body steel plate ring should be welded firmly and evenly and continuously.

Pouring of concrete

(1) The steel mould used to make the pile should have sufficient rigidity and the deformation of the steel mould should be strictly controlled.

(2) The efficient and reliable separant which has small pollution to the steel bars and is easy to clean is adopted. The coating isolation agent should be uniform and prevent brush leakage or rain.

(3) The quality control of the concrete should meet the regulations of the concrete quality control Standard GB 50164.

(4) The amount of concrete poured in each mould should be determined on the basis of calculations.

(5) The time from the beginning of stirring to the end of centrifuging of the concrete must not exceed the initial setting time of the cement.

(6) The slump of the concrete when entering the mold is generally 3-5 cm, and is properly increased to 4-7 cm in summer.

(7) The weighing error of the prepared concrete raw materials should not exceed the following regulation: cement, water, additive +/-1%; coarse and fine aggregates plus or minus 2 percent.

(8) The concrete should be fully stirred, and the stirring time should meet the relevant regulations of the existing concrete quality.

(9) Preferably, a feeding machine is adopted to pour concrete into the steel mould, the material is uniformly distributed along the length direction of the steel mould according to a feeding method of firstly feeding the concrete into the steel mould from the middle to the two ends and then feeding the concrete into the middle, and the concrete quantity within the range of 1m at the two ends is not less than the average consumption in the pipe mould.

(10) The steel reinforcement framework is adjusted and repaired before the concrete pouring is finished.

(11) After the concrete pouring is finished, cleaning up the concrete on two sides of the steel die and in the groove, then hoisting the upper fan steel die according to the steel die number, aligning two ends, and screwing down the bolt at the interface.

(12) When the prestressed reinforcing steel bar is placed in tension, the compressive strength of the concrete is not lower than 40 MPa.

Prestressed reinforcement tensioning

(1) Adopts a one-time stretching method. According to production needs, the over-tension which is improved by 2 percent compared with the design can be adopted, but the over-tension meets the regulation of 'concrete structure engineering quality acceptance standard' GB 50204.

(2) Accurate tensioning must be guaranteed to the tensioning equipment, the tensioning equipment should be regularly checked, and the dynamometer error should be less than or equal to 3%.

(3) When the prestressed reinforcement is tensioned, uniform loading is carried out, the elongation value is repeatedly measured, if the prestressed reinforcement is abnormal, tensioning is stopped, tensioning can be continued after the problem is solved, and after tensioning is finished, the anchoring nut is screwed down to ensure reliable anchoring.

Pile forming

(1) The pile is formed by adopting a centrifugal process, and the centrifugal forming process comprises four stages: low speed, low-medium speed, high speed. The centrifugal operation should ensure the compactness of concrete and not separate and layer.

(2) The rotating speed of the centrifuge and the centrifuging time of each stage are controlled according to different specifications of products.

(3) During centrifugation, the tube mould jumping state should be closely noticed and well recorded.

(4) The centrifuge should be periodically overhauled.

(5) And after the centrifugation is finished, immediately pouring the residual slurry separated from the concrete, checking whether the concrete on the inner wall of the tubular pile collapses or not and checking whether the concrete is early-coagulated before the centrifugation, and timely processing.

Maintaining in steam-curing pool

(1) The centrifugally formed piles are immediately put into a steam curing pool for normal-pressure steam curing.

(2) The normal pressure steam curing of the steam curing pool is divided into four processes: standing still (about 1.5 hours at normal temperature), heating (2 hours to curing temperature), keeping constant temperature (3 hours for maintaining curing temperature), and cooling (1.5 hours). The temperature should be raised uniformly and not too fast.

(3) The maintenance pool temperature meter should be checked periodically.

(4) The cover of the pool should be sealed, and the accumulated water at the bottom of the pool should be pumped and drained in time, so as to reduce the temperature difference between the upper layer and the lower layer in the pool.

(5) And (4) after the steam curing pool is cured, demolding, conveying to a storage yard for stacking, and continuously spraying water to the finished pile for natural curing. The water spraying times should be increased in summer.

Ground connection

(1) The pile foundation is welded by steel rings and main ribs, and the steel rings and the flanges are welded, so that the pile foundation can be regarded as a grounding electrode.

(2) The grounding flat iron is arranged outside the pile foundation and connected with the pile foundation main reinforcement framework, the upper part of the pile foundation extends to be connected with the tower in a grounding mode, the grounding resistance is not more than 10 ohms, and the grounding requirement is met.

(3) The pile should have product identification and product qualification certificate when leaving the factory.

Construction requirements

(1) When the pile with the partially prestressed concrete structure is lifted, loaded, unloaded and piled, the pile body cannot be impacted or vibrated, so that the pile body is prevented from being damaged. The storage place of the pile should be carefully planned in cooperation with the construction line and the transportation road, so that the situation of carrying for 2 times is avoided.

(2) When the pile is installed and hammered or subjected to static pressure construction, the pile is implemented according to the JGJ 94-2008 technical Specification of building pile foundations, sections 7.4 and 7.5. And after pile sinking is finished, if the soil in the middle of the pile sinks, backfilling by using powdery clay, and tamping layer by layer.

(3) During pile sinking, theodolite or gravity plumb line should be erected in 2 directions perpendicular to the pile body to observe the verticality of the pile body, and if the pile body deviates, the verticality should be corrected at any time. When the pile is set to the last 5m, special care should be taken to prevent lateral movement, and if there is an offset, it should be corrected when driving the pile. The position of the pile core, the verticality and the inclination deviation of the pile body after the driving is finished are all within the range of the specified allowable difference, otherwise, the driving or waste pile is pulled out. After pile sinking is finished, the pile opening part is covered by a concrete cover plate or a steel bar support net to ensure safety.

In the aspect of product structure, a partial prestressed concrete structure design is adopted, and a pile foundation is a reinforced concrete structure with mixed reinforcing bars, which is composed of tensioned prestressed high-strength steel wires (rods), hot-rolled high-strength reinforcing steel bars, high-performance concrete and other materials.

The pile foundation overcomes the problems of large brittleness and small bearing capacity of the common concrete pile foundation, is suitable for the condition of smaller construction operation surface, and has simple construction foundation and convenient installation.

In the production process of the pile foundation, the reinforcement ratio, the prestress value, the sectional area and the bearing force bending moment value of the pole section are changed along with the height according to the stress condition of the pole tower foundation on the power transmission line, and are matched with the bending moment generated by external force on the pole, so that the material is saved, the performance is good, and the structure is reasonable.

Due to the defect of poor anti-cracking capability of the reinforced concrete pole, the pile foundation absorbs the advantages of strong anti-cracking capability of the prestressed concrete pole and large bearing capacity of the reinforced concrete pole in the production process. The structural configuration prestress high-strength steel wire is used for ensuring the crack resistance and the rigidity of the electric pole, and the required bearing capacity of the electric pole is achieved by adjusting the specification and the number of common steel bars, so that the electric pole has good crack resistance, high bearing capacity and good impact toughness.

In addition, it should be noted that the concrete pile foundation pouring method shown in the embodiment of the present application is related to the foregoing step 103, and specific contents are shown in the drawings and related descriptions below.

Fig. 2 is an implementation environment architecture diagram of a concrete pile foundation casting method according to an embodiment of the present application. As shown in fig. 2, the implementation environment architecture includes: the device comprises a terminal 1, a filling machine 2, a mould 3 and a traction device 4.

The terminal 1 has a storage function, and stores a corresponding mode of a pre-designed pouring hole and a discharge hole of a filling machine. The terminal 1 further comprises a processor, and the processor is used for receiving the pouring instruction; responding to a pouring instruction, and acquiring an alignment mode of the filling machine and the mold; the alignment is then sent to the pulling device 4.

The type of the terminal 1 includes, but is not limited to, a smart phone, a tablet computer, a television, a notebook computer, a desktop computer, and the like, and this is not particularly limited in this embodiment of the application.

And the traction device 4 is used for drawing the filling machine or the mould according to the alignment mode after receiving the alignment mode, so that the discharge hole of the filling machine is aligned with the pouring hole of the mould according to the alignment mode.

The filling machine is used for pouring concrete into the pouring hole of the mold.

The mold is used for receiving and shaping concrete.

The mold may be rectangular parallelepiped, columnar, or the like. The pouring holes of the die are uniformly arranged along the axial direction of the die. When the mould receives the concrete sent by the filling machine, the mould is horizontally placed, and the filling machine pours the concrete into the mould through the pouring hole.

The terminal 1, the filling machine 2, the mould 3 and the traction device 4 are in communication connection through a wired or wireless network.

Fig. 3 is a flowchart illustrating a concrete pile foundation casting method according to an embodiment of the present disclosure. The method shown in fig. 3 may be performed by the terminal 1 in fig. 2, as shown in fig. 3, the method comprising the steps of:

step 201, receiving a pouring instruction.

Wherein the placement instructions are for instructing the concrete pile foundation placement system to begin performing a series of operations related to placement of the concrete pile foundation.

The pouring instruction may be an instruction input by a user through an input interface of the terminal, for example, the input interface is provided with an input key, and the user inputs the pouring instruction by clicking the input key, so that the terminal can receive the input instruction.

Wherein the concrete comprises the following components, by weight, 20-30 parts of cement, 150 parts of water 100-.

The additive is a high-performance polycarboxylic acid water reducing agent, and the admixture ash is prepared from fly ash, silica fume and superfine mineral powder; the gravel adopts 5-20 continuous size fraction stones, and the mud content of the gravel is not more than 0.5%; the sand is medium coarse sand with fineness modulus of 2.6-3.0, and the mud content is not more than 1%.

Step 202, responding to a pouring instruction, and acquiring an alignment mode of the filling machine and the mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge port of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold.

The filling machine is a device for pouring concrete into the mold, and is further provided with a discharge hole through which the concrete is poured into the mold.

The mould is provided with a plurality of pouring holes, and further the pouring holes are arranged along the axial direction of the mould and are arranged on the same side. Further, a plurality of pouring holes are uniformly arranged along the axial direction. The filling machine can pour concrete into the mould through the pouring hole.

The alignment mode is designed in advance and stored in a preset position of the terminal.

Further, the alignment manner may be designed according to the number, size and other factors of the casting holes included in the mold. First, the casting holes may be divided into a central casting hole and two side casting holes, the central casting hole is one or more casting holes with hole positions located in the middle of the mold, and the two side casting holes are a plurality of casting holes with hole positions located on both sides of the mold.

When the pouring holes are uniformly formed in the mold, the central pouring hole and the two side pouring holes can be divided according to the number of the pouring holes. For example, there are 9 casting holes, and the following are sequentially formed from one end of the mold to the other end: three two-side pouring holes, three central pouring holes and three two-side pouring holes.

When the terminal 1 receives the pouring instruction, the alignment mode is acquired from the preset storage position of the terminal 1.

Wherein, the hole is pour to the central authorities that the discharge gate circulation of filling machine aimed at the mould, both sides pour the hole and include: a discharge port of the filling machine is aligned with a central pouring hole of the mold, and then aligned with two side pouring holes of the mold; or aligning the pouring holes at the two sides of the mold, and aligning the pouring holes at the center of the mold.

And step 203, sending an alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation.

The terminal 1 sends the alignment mode to a traction device 4, and the traction device 4 is used for drawing a filling machine or a mould to move so that a discharge hole of the filling machine is aligned with a pouring hole of the mould in the alignment mode.

Alternatively, the traction device may be a first traction device connected to the filling machine; the sending alignment mode includes:

Optionally, the traction device may also be a second traction device connected to the mold; the sending alignment mode includes:

After alignment in the above alignment manner, the filling machine performs a pouring operation. Optionally, the casting operation comprises:

obtaining a concrete pouring weight value;

In addition, the concrete pile foundation pouring method can be used in various processes needing to prepare concrete pile foundations, such as the preparation process of prestressed concrete pile foundations for power transmission line towers, and the preparation process of other concrete pile foundations such as houses, bridges and the like.

The mould level is placed, erects in prior art and pours, and the footpath that can effectual reduction concrete pile foundation pour is dark, and convenient the shock avoids pile foundation inside a large amount of gas pockets to appear, influences the quality of pile foundation.

In addition, compared with the vertical placement, the horizontal placement can arrange more pouring holes, the pouring is more flexible, the uniformity of the filler can be effectively ensured, the pouring quality is improved, more filling machines can be arranged at more pouring points, and the pouring efficiency is effectively improved; meanwhile, the visual field is wider during horizontal pouring, so that the worker can conveniently supervise the pouring process, and the pouring quality is improved.

In addition, in the process of forming a pile foundation, concrete is prepared in advance, but sometimes, one-time preparation may not be enough to complete the pouring of the pile foundation, and multiple preparations are needed. However, in the case of multiple preparations, the amounts of the components in the concrete are not uniform, for example, the amount of water is 100 parts in the first preparation and 150 parts in the second preparation. Therefore, when pouring is carried out from one direction to the other direction in sequence, if the concrete prepared for many times is used, the condition that the density of the concrete pile is inconsistent is easy to occur, density break points are seriously likely to occur, the condition that the pile foundation is easy to break due to the inconsistent density can be caused, and the quality of the pile foundation is seriously influenced.

Moreover, for the density break point, since it is poured from one direction to another direction in sequence, that is, after the concrete filling material prepared at one time is finished, the concrete prepared at another time is used, it is difficult to alleviate the density break point even if the centrifugal operation is performed, resulting in a serious decrease in the quality of the pile foundation.

Compare in above-mentioned technique, the hole is pour to the central authorities that the mould was aimed at in the discharge gate circulation of filler machine in this application, both sides to carry out the operation of pouring, the concrete of preparing like this many times mixes in the different positions of pile foundation, like this after carrying out centrifugal operation, reduces the inconsistent condition of density easily, reduces the condition of breakpoint, improves the quality of concrete pile foundation.

Further, during pouring, the materials are uniformly distributed along the axial direction of the mould, and the concrete amount within the range of 1m at the two ends is not less than the average using amount in the pipe mould; the steel reinforcement framework is adjusted and reset before the concrete pile foundation is poured, so that the position deviation error of the steel reinforcement framework is reduced.

Fig. 4 shows a concrete pile foundation casting apparatus according to an example of the present application, which is installed in a terminal as shown in fig. 2, the apparatus including:

a receiving module 401, configured to receive a pouring instruction;

an obtaining module 402, configured to, in response to a pouring instruction, obtain an alignment manner of a filling machine and a mold, where the alignment manner includes that the mold is placed horizontally, and a discharge port of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold;

and a sending module 403, configured to send an alignment manner, where the alignment manner is used to instruct the filling machine and the mold to align according to the alignment manner and perform a pouring operation.

Optionally, a first traction device is connected to the filling machine, and the sending module 403 is further configured to:

Optionally, a second traction device is connected to the mold, and the sending module 403 is further configured to:

obtaining a concrete pouring weight value;

In addition, please refer to the method embodiment for related contents in the device embodiment, which are not described herein again.

In summary, the concrete pile foundation pouring device provided by the embodiment of the application has the advantages that the discharge port of the filling machine is circularly aligned to the central pouring hole and the two side pouring holes of the mold, and pouring operation is performed, so that concrete prepared for many times is mixed at different positions of the pile foundation, the situation of inconsistent density is easily reduced after centrifugal operation is performed, the situation of break points is reduced, and the quality of the concrete pile foundation is improved.

Fig. 5 illustrates a concrete pile foundation casting system according to an embodiment of the present application, the casting system including: a terminal 501, a filling machine 502, a mould 503 and a traction device 504.

The terminal 501 is used for receiving a pouring instruction; responding to a pouring instruction, and acquiring an alignment mode of the filling machine and the mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge hole of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold; and sending an alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation.

The traction device 504 is used for drawing the filling machine or the mould to move after receiving the alignment mode, so that the discharge hole of the filling machine is aligned with the pouring hole of the mould in the alignment mode.

The filling machine 502 is used for pouring concrete into the pouring hole of the mold after receiving the filling instruction;

the mold 503 is used to receive and shape the concrete.

In summary, according to the concrete pile foundation pouring system provided by the embodiment of the application, the discharge port of the filling machine is circularly aligned to the central pouring hole and the two side pouring holes of the mold, and pouring operation is performed, so that concrete prepared for many times is mixed at different positions of the pile foundation, and after centrifugal operation is performed, the condition of inconsistent density is easily reduced, the condition of break points is reduced, and the quality of the concrete pile foundation is improved.

Fig. 6 is a schematic structural diagram of a computer system 600 according to an embodiment of the present application, which includes a Central Processing Unit (CPU)601 that can execute various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)602 or a program loaded from a storage section into a Random Access Memory (RAM) 603. In the RAM603, various programs and data necessary for system operation are also stored. The CPU601, ROM602, and RAM603 are connected to each other via a bus 604. An input/output (I/O) interface 605 is also connected to bus 604.

The following components are connected to the I/O interface 605: an input portion 606 including a keyboard, a mouse, and the like; an output section including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker; a storage section 608 including a hard disk and the like; and a communication section 609 including a network interface card such as a LAN card, a modem, or the like. The communication section 609 performs communication processing via a network such as the internet. The drives are also connected to the I/O interface 605 as needed. A removable medium 611 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive 610 as necessary, so that a computer program read out therefrom is mounted in the storage section 608 as necessary.

In particular, the processes described by the flowcharts according to the embodiments of the present application may be implemented as computer software programs. For example, method embodiments of the present application include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network via the communication section, and/or installed from a removable medium. The above-described functions defined in the system of the present application are executed when the computer program is executed by the Central Processing Unit (CPU) 601.

It should be noted that the computer readable medium shown in the present application may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the present application, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In this application, however, a computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.

The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams or flowchart illustration, and combinations of blocks in the block diagrams or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

The units described in the embodiments of the present application may be implemented by software, or may be implemented by hardware, and the described units may also be disposed in a processor. Wherein the names of the elements do not in some way constitute a limitation on the elements themselves. The described units or modules may also be provided in a processor, and may be described as: a processor comprises a receiving module, an obtaining module and a sending module. Wherein the designation of a unit or module does not in some way constitute a limitation of the unit or module itself.

As another aspect, the present application also provides a computer-readable medium, which may be contained in the electronic device described in the above embodiments; or may exist separately without being assembled into the electronic device. The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to implement the concrete pile foundation casting method as described in the above embodiments.

For example, the electronic device may implement the following as shown in fig. 2: step 201, receiving a pouring instruction; 202, responding to a pouring instruction, acquiring an alignment mode of a filling machine and a mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge hole of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold; and step 203, sending an alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation.

It should be noted that although in the above detailed description several modules or units of the device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.

Moreover, although the steps of the methods of the present disclosure are depicted in the drawings in a particular order, this does not require or imply that the steps must be performed in this particular order, or that all of the depicted steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step execution, and/or one step broken down into multiple step executions, etc.

Through the above description of the embodiments, those skilled in the art will readily understand that the exemplary embodiments described herein may be implemented by software, or by software in combination with necessary hardware.

In summary, the computer system or computer readable medium for pouring a concrete pile foundation provided in the embodiment of the present application circularly aligns the central pouring hole and the two side pouring holes of the mold through the discharge port of the filling machine, and performs the pouring operation, so that the concrete prepared many times is mixed at different positions of the pile foundation, and thus, after the centrifugal operation is performed, the situation of inconsistent density is easily reduced, the situation of break points is reduced, and the quality of the concrete pile foundation is improved.

The embodiments in this specification are described in a progressive manner, and similar parts between the various embodiments are referred to each other. The examples below each step focus on the specific method below that step. The above-described embodiments are merely illustrative, and the specific examples are only illustrative of the present application, and those skilled in the art can make several improvements and modifications without departing from the principle described in the examples of the present application, and these improvements should be construed as the scope of the present application.

The foregoing is considered as illustrative only of the preferred embodiments of the invention and illustrative only of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the application referred to in the present application is not limited to the embodiments with a particular combination of the above-mentioned features, but also encompasses other embodiments with any combination of the above-mentioned features or their equivalents without departing from the scope of the application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A preparation method of a partially prestressed concrete pile foundation for a power transmission line tower is characterized by comprising the following steps:

acquiring reinforcement cage design information, wherein the design information comprises non-prestressed main reinforcement information and prestressed main reinforcement information;

generating a steel bar framework manufacturing instruction so as to respond to the steel bar framework manufacturing instruction to manufacture a steel bar framework according to the non-prestressed main reinforcement information and the prestressed main reinforcement information;

sending a concrete pouring instruction to place the steel reinforcement framework in a mold in response to the pouring instruction and executing a concrete pouring operation based on the mold;

sending a prestress tensioning instruction so as to perform prestress tensioning operation on the steel reinforcement framework which performs pouring operation according to the prestress tensioning instruction;

sending a pile body centrifugal forming and steam curing instruction so as to carry out centrifugal forming and steam curing operation on the steel reinforcement framework which is subjected to tensioning operation according to the instruction;

sending a demoulding operation and quality inspection instruction so as to execute the demoulding operation and the quality inspection operation according to the instruction;

wherein the concrete pouring operation comprises:

receiving a pouring instruction;

responding to the pouring instruction, and acquiring an alignment mode of a filling machine and a mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge hole of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold;

and sending the alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation.

2. The method for preparing a partially prestressed concrete pile foundation for a power transmission line tower according to claim 1, wherein said filling machine is connected with a first traction device, and said sending said alignment pattern comprises:

sending the alignment mode to the first traction device, so that the first traction device pulls the filling machine to move until a discharge hole of the filling machine is aligned with the pouring hole indicated in the alignment mode.

3. The method for preparing a partially prestressed concrete pile foundation for a power transmission line tower according to claim 1, wherein said mold is connected with a second traction device, and said sending said alignment pattern comprises:

sending the alignment mode to a second traction device, so that the second traction device pulls the mold to move, and the pouring hole indicated in the alignment mode is aligned with the filling opening.

4. The method for preparing the partially prestressed concrete pile foundation for the power transmission line tower according to claim 1 or 3, wherein the pouring holes of the mold are uniformly arranged along the axial direction of the mold.

5. The method for preparing a partially prestressed concrete pile foundation for electric transmission line towers according to claim 1 or 3, wherein said pouring operation is performed by said filling machine, and then said performing of the pouring operation comprises:

obtaining a concrete pouring weight value;

6. The method for preparing the partially prestressed concrete pile foundation for the power transmission line tower according to claim 1, wherein the step of circularly aligning a discharge port of the filling machine with a central pouring hole and two side pouring holes of the mold comprises the following steps: a discharge port of the filling machine is aligned with a central pouring hole of the mold, and then aligned with two side pouring holes of the mold; or aligning the pouring holes at the two sides of the mold, and aligning the pouring holes at the center of the mold.

7. The utility model provides a preparation facilities of partial prestressed concrete pile basis for transmission line shaft tower which characterized in that, the device includes:

the receiving module is used for receiving a pouring instruction;

the acquisition module is used for responding to the pouring instruction and acquiring an alignment mode of a filling machine and a mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge hole of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold;

and the sending module is used for sending the alignment mode, and the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation.

8. A computer device, the device comprising:

one or more processors;

a memory for storing one or more programs;

the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of any of claims 1-6.

9. A computer-readable storage medium, having stored thereon a computer program for:

the computer program, when executed by a processor, implements the method of any of claims 1-6.

10. The utility model provides a preparation system of partial prestressed concrete pile foundation for transmission line shaft tower which characterized in that, the casting system includes: the device comprises a terminal, a filling machine, a mould and a traction device;

the terminal is used for receiving a pouring instruction; responding to the pouring instruction, and acquiring an alignment mode of a filling machine and a mold, wherein the alignment mode comprises that the mold is horizontally placed, and a discharge hole of the filling machine is circularly aligned with a central pouring hole and two side pouring holes of the mold; sending the alignment mode, wherein the alignment mode is used for indicating the filling machine and the mould to align according to the alignment mode and executing pouring operation;

the filling machine is used for pouring concrete into the pouring hole of the mold after receiving a filling instruction;

the mould is used for receiving the concrete and forming the concrete.