CN114753690A - Continuous casting process for tank body of outdoor recirculating aquaculture system - Google Patents
Continuous casting process for tank body of outdoor recirculating aquaculture system Download PDFInfo
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- 230000003134 recirculating effect Effects 0.000 title claims abstract description 38
- 238000009360 aquaculture Methods 0.000 title claims abstract description 34
- 244000144974 aquaculture Species 0.000 title claims abstract description 34
- 238000009749 continuous casting Methods 0.000 title claims description 19
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- 238000005266 casting Methods 0.000 claims abstract description 56
- 238000010276 construction Methods 0.000 claims abstract description 50
- 239000004567 concrete Substances 0.000 claims description 88
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- 229910000831 Steel Inorganic materials 0.000 claims description 11
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- 239000010959 steel Substances 0.000 claims description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 238000009395 breeding Methods 0.000 claims description 8
- 230000001488 breeding effect Effects 0.000 claims description 8
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/02—Containers for fluids or gases; Supports therefor
- E04H7/18—Containers for fluids or gases; Supports therefor mainly of concrete, e.g. reinforced concrete, or other stone-like material
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention discloses a continuous tank body pouring process of an outdoor circulating water culture system, wherein a tank group of the outdoor circulating water culture tank body system comprises a circulating water seedling culture system tank group and a circulating water parent culture system tank group; the continuous pool body pouring process of the outdoor recirculating aquaculture system comprises the following steps: dividing at least one set of circulating water fry culture system pond in a circulating water fry culture system pond group into a first circulating pouring water pond, and dividing at least one set of circulating water parent culture system pond in a circulating water parent culture system pond group into a second circulating pouring water pond; pretreating the bin surface where the circulating casting pool is located; and maintaining the poured circulating pouring pool. The technical scheme of the invention can flexibly arrange mechanical equipment, improve the utilization rate of the equipment and reduce the cross construction of each working surface; meanwhile, the impermeability and integrity of the tank body can be improved, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering, in particular to a continuous casting process for a pond body of an outdoor recirculating aquaculture system.
Background
The fish proliferation and releasing station is a special place built for protecting river fish resources and fish species diversity, and not only is the production system complex, but also the structural form of the water pool is diverse and the density is concentrated. Wherein, the outdoor recirculating aquaculture area is divided into an outdoor parent aquaculture area and an outdoor offspring seed aquaculture area. Each recirculating aquaculture area is simultaneously provided with a plurality of subareas, the interval between the length direction and the width direction of the water pools is small, the number of the water pools is large, the structure density is high, and the construction of equipment is inconvenient to organize; how to reasonably select the construction sequence and the construction process of the circulating water culture area directly influences the construction quality and progress.
Wherein, each recirculating aquaculture system contains a reinforced concrete aquaculture pond and a water treatment system pond, and belongs to a thin shell type structure, the structure is complex, the reinforcement ratio is high, and the seepage-proofing grade is high. The existing pouring construction process for most of pool bodies of the pool has poor effect in the construction of the pool bodies of an outdoor recirculating aquaculture system, not only has low construction efficiency, but also is easy to generate cracks, influences the impermeability and integrity of the pool, and cannot achieve the expected effect.
Disclosure of Invention
The invention mainly aims to provide a continuous casting process for a pond body of an outdoor recirculating aquaculture system, aiming at improving the impermeability and integrity of the pond body and improving the construction efficiency.
The above problems to be solved by the present invention are achieved by the following technical solutions:
a pool body continuous pouring process of an outdoor recirculating aquaculture system is characterized in that a pool body of the outdoor recirculating aquaculture pool system comprises a circulating water seedling culture system pool group and a circulating water parent culture system pool group; the continuous pool body pouring process of the outdoor recirculating aquaculture system comprises the following steps:
dividing a circulating water seedling culture pond in a circulating water seedling culture pond group and a circulating water parent culture pond in a circulating water parent culture pond group into at least one circulating pouring water pond respectively;
pretreating the bin surface where the circulating pouring pool is located;
integrally pouring the circulating pouring pool through the construction sequence of bidirectional propulsion and concrete; the integral casting comprises a casting bottom plate and a casting pool wall; the integral pouring sequence is that the bottom plate is poured firstly and then the pool wall is poured;
pouring a bottom plate around the pool wall; before the concrete of the bottom plate is initially set, pouring a first layer of the wall when the slump of the bottom plate is judged to be reduced; after the pouring of the first layer is finished, the circulating continuous pouring of the rest part of the pool wall is carried out;
and maintaining the poured circulating pouring pool.
Preferably, the step of dividing the circulating water fry culture pond in the circulating water fry culture pond group and the circulating water parent culture pond in the circulating water parent culture pond group into at least one circulating pouring water pond respectively comprises the following steps:
at least one circulating water fry culture system pond group forms a circulating water fry culture area;
at least one pond of the circulating water parent culture system forms a circulating water parent culture area;
the pond group of the circulating water seedling culture system comprises at least one row of circulating water seedling culture ponds, and each row of circulating water seedling culture pond comprises at least two sets of circulating water seedling culture ponds;
the pond group of the circulating water parent culture system comprises at least one row of circulating water parent culture ponds, and each row of circulating water parent culture pond comprises at least two sets of circulating water parent culture ponds;
wherein, two adjacent circulating water fry culture ponds in the circulating water fry culture system pond group are used as a circulating pouring pond;
and taking a single circulating water parent culture pond in the circulating water parent culture system pond group as a circulating pouring pond.
Preferably, the step of dividing the circulating water fry culture pond in the circulating water fry culture pond group and the circulating water parent culture pond in the circulating water parent culture pond group into at least one circulating pouring water pond respectively comprises the following steps:
a road not less than 3m is arranged between the circulating water seedling culture area and the circulating water parent culture area;
roads with the length not less than 3m are arranged between the adjacent pond groups of the circulating water seedling culture system; a pedestrian road not larger than 2m is arranged between the adjacent circulating water seedling culture ponds;
a road with the length of not less than 3m is arranged between the adjacent pond groups of the circulating water parent culture system; a pedestrian road not larger than 2m is arranged between the adjacent circulating water parent culture ponds;
sequentially pouring the pond group of the circulating water seedling culture system and the pond group of the circulating water parent culture system in parallel at the same time; or pouring according to the sequence that the pond group of the circulating water seedling culture system is prior to the pond group of the circulating water parent culture system; or pouring according to the sequence that the pond group of the circulating water parent culture system is prior to the pond group of the circulating water seedling culture system.
Preferably, the step of integrally casting the circulating casting pool by the construction sequence of the bidirectional propulsion and the concrete comprises the following steps:
the pouring sequence of the circulating pouring water pools in the pond group of the circulating water fry breeding system is as follows: and propelling construction is carried out from circulating pouring ponds at two sides of the circulating water seedling culture area along the direction of the middle part of the circulating water seedling culture system pond group, and propelling construction is carried out from circulating pouring ponds at the middle part of the circulating water seedling culture system pond group along the directions of two sides of the circulating water seedling culture system pond group.
Preferably, the step of integrally casting the circulating casting pool by the construction sequence of the bidirectional propulsion and the concrete comprises the following steps:
and performing propulsion construction from circulating pouring water pools on two sides of the circulating water parent culture system pond group in the circulating water parent culture area and along the middle direction of the circulating water parent culture system pond group.
Preferably, the circulating water seed culture system pond in the circulating water seed culture system pond group and the circulating water parent culture system pond in the circulating water parent culture system pond group both comprise at least two reinforced concrete culture ponds and a water treatment system pond; the bottom plate of the water tank of the water treatment system is lower than the reinforced concrete culture pond;
the step of integrally pouring the circulating pouring pool through the construction sequence of bidirectional propulsion and concrete comprises the following steps of:
in the process of pouring the outdoor circulating pouring pool, pouring and vibrating are carried out simultaneously;
in the process of pouring the bottom plate, pouring the bottom plate concrete from the center of the reinforced concrete culture pond to the periphery when the bottom plate concrete is put into a warehouse; wherein, a bottom plate template is added in time after the bottom plate of the water treatment system tank is vibrated.
Preferably, the step of pretreating the cabin surface where the circulating casting pool is located comprises the following steps of;
dividing the circulating casting pool into a bottom plate steel bar binding area, a pool wall steel bar binding area, a template mounting area and a to-be-cast area;
and cleaning and moisturizing the surface of the storehouse where the circulating pouring pool is located.
Preferably, the step of integrally pouring the circulating pouring pool by the concrete is performed before;
and selecting the type of concrete and a concrete conveying mode according to the concrete gradation and the bin surface structure performance, and carrying out temperature control protection on the conveyed concrete.
Preferably, the bottom plate around the pool wall is poured; before the concrete of the bottom plate is initially set, pouring a first layer of the wall when the slump of the bottom plate is judged to be reduced; the step of performing the circulating continuous pouring of the rest part of the pool wall after the pouring of the first layer is completed comprises the following steps: before the bottom plate concrete on the periphery of the pool wall is initially set, when the slump is reduced, the first layer concrete of the pool wall is poured, and inclined layered pouring is adopted so that the pouring height of the first layer of the circulating pool is higher than the height of the chamfer angle position of the pool wall of the circulating pool by at least 40 cm;
when the pouring height of the first layer of concrete is more than 2m, the starting point position adopts a chute to be put into a bin; after the first layer of concrete is poured, circularly and continuously pouring the remaining pool wall concrete in an oblique layering mode; the method comprises the following steps that the method of sequential circulating casting and/or symmetrical circulating casting is adopted for casting the pool wall of the circulating casting pool before initial setting of cast concrete;
and/or after the step of completing the pouring of the first layer and performing the circulating continuous pouring of the rest part of the pool wall, the method further comprises the following steps: after the integral pouring is finished, a wooden trowel is combined with a piano steel wire for surface collection, so that the flatness of the top surface of the wall body is higher.
Preferably, the step of maintaining the poured circulating pouring basin includes:
and carrying out watering covering maintenance on the poured circulating pouring pool within a preset time threshold, wherein the temperature of the curing water for watering and the temperature of the concrete in the circulating pouring pool are both within a first temperature value.
Has the advantages that: the technical scheme of the invention is that before the continuous casting of the pond body, the classification and division of the outdoor circulating water culture pond body system are carried out, and the pond body system is called as a circulating casting pond; after classification, the bin surface where the circulating pouring pool is located is pretreated, so that the stability and the fluency of subsequent pouring are guaranteed; then, integrally pouring the circulating pouring pool and the construction sequence pushed in the two directions by using the concrete; the integral casting comprises a casting bottom plate and a casting pool wall; the integral pouring sequence is that the bottom plate is poured firstly and then the pool wall is poured; pouring a bottom plate around the pool wall; before the concrete of the bottom plate is initially set, pouring a first layer of the wall when the slump of the bottom plate is judged to be reduced; after the pouring of the first layer is finished, the residual part of the pool wall is circularly and continuously poured; the leakage problem caused by the reserved construction gaps in the construction process can be avoided by integrally pouring the bottom plate and the pool wall, so that the sealing property and the construction quality of the pool body are ensured; after the integral pouring is finished, the poured circulating pouring pool is maintained, so that the pouring quality is improved; further obtaining a continuous tank body pouring process of the outdoor recirculating aquaculture system with high construction efficiency; and the continuous casting process of the tank body of the outdoor recirculating aquaculture system can further improve the seepage-proofing and integral effects of the tank body.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a flow chart of an embodiment of a continuous tank body pouring process of an outdoor recirculating aquaculture system.
FIG. 2 is a plan view of a recirculating aquaculture pond according to the present invention.
FIG. 3 is a sectional view of a recirculating aquaculture pond according to the present invention.
FIG. 4 is a cross-sectional view of a water treatment system basin according to the present invention.
The reference numbers illustrate:
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if the meaning of "and/or" and/or "appears throughout, the meaning includes three parallel schemes, for example," A and/or B "includes scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a continuous casting process for a pond body of an outdoor recirculating aquaculture system.
As shown in fig. 1-4, in an embodiment of the present invention, the pond group of the outdoor recirculating aquaculture pond system includes a recirculating fry breeding system pond group and a recirculating parent aquaculture system pond group; a pool body continuous pouring process of the outdoor recirculating aquaculture system; the method comprises the following steps:
s1, dividing a circulating water seedling culture pond in the circulating water seedling culture pond group and a circulating water parent culture pond in the circulating water parent culture pond group into at least one circulating pouring water pond respectively; dividing at least one set of circulating water seedling culture system pond in a circulating water seedling culture system pond group into a first circulating pouring water pond, and dividing at least one set of circulating water parent culture system pond in a circulating water parent culture system pond group into a second circulating pouring water pond;
s2, pretreating the bin surface where the circulating casting pool is located;
s3, performing integral casting on the circulating casting pool through the construction sequence of bidirectional propulsion and concrete; the integral casting comprises a casting bottom plate 3 and a casting pool wall 4; the integral pouring sequence is that the bottom plate is poured firstly and then the pool wall is poured; pouring a bottom plate around the pool wall; before the concrete of the bottom plate is initially set, pouring a first layer of the wall when the slump of the bottom plate is judged to be reduced; after the pouring of the first layer is finished, the circulating continuous pouring of the rest part of the pool wall is carried out;
and S4, curing the poured circulating pouring pool.
The technical scheme of the invention is that before the continuous casting of the pond body, the classification and division of the outdoor circulating water culture pond body system are carried out, and the pond body system is called as a circulating casting pond; after classification, the bin surface where the circulating pouring pool is located is pretreated, so that the stability and the fluency of subsequent pouring are guaranteed; then, integrally pouring the circulating pouring pool and the construction sequence pushed in the two directions by using the concrete; the integral casting comprises a casting bottom plate and a casting pool wall; the integral pouring sequence is that the bottom plate is poured firstly and then the pool wall is poured; pouring a bottom plate around the pool wall; before the concrete of the bottom plate is initially set, pouring a first layer of the wall when the slump of the bottom plate is judged to be reduced; after the pouring of the first layer is finished, the residual part of the pool wall is circularly and continuously poured; the leakage problem caused by the reserved construction gaps in the construction process can be avoided by integrally pouring the bottom plate and the pool wall, so that the sealing property and the construction quality of the pool body are ensured; after the integral pouring is finished, the poured circulating pouring pool is maintained, so that the pouring quality is improved; further, a pool body continuous pouring process of the outdoor recirculating aquaculture system with high construction efficiency can be obtained; and the continuous tank body pouring process of the outdoor recirculating aquaculture system can further improve the anti-seepage performance and the integral effect of the tank body.
Wherein, the parent means the short term of the hybrid parent, generally refers to the male and female individuals selected when animals and plants are hybridized. In the present embodiment, the circulating water parent culture pond refers to a male and female individual culture pond selected for fish hybridization.
Among them, concrete is one of the most important civil engineering materials of the present generation. The artificial stone is prepared by a cementing material, granular aggregate (also called aggregate), water, an additive and an admixture which are added if necessary according to a certain proportion, and is formed by uniformly stirring, compacting, forming, curing and hardening. The concrete also has the characteristics of high compressive strength, good durability, wide strength grade range and the like. Wherein, the common concrete is an artificial stone which is formed by mixing and hardening cement, coarse aggregate (broken stone or pebble), fine aggregate (sand), additive and water.
Specifically, in the S1, the step of classifying the outdoor recirculating aquaculture pond system into a recirculating casting pond includes:
the step of dividing the circulating water seedling culture pond in the circulating water seedling culture pond group and the circulating water parent culture pond in the circulating water parent culture pond group into at least one circulating pouring pond respectively comprises the following steps:
at least one circulating water seedling culture system pool group forms a circulating water seedling culture area;
at least one pond group of the circulating water parent culture system forms a circulating water parent culture area;
the circulating water seedling culture system pool group comprises at least one row of circulating water seedling culture ponds, and each row of circulating water seedling culture pond comprises at least two sets of circulating water seedling culture ponds;
the pond group of the circulating water parent culture system comprises at least one row of circulating water parent culture ponds, and each row of circulating water parent culture pond comprises at least two sets of circulating water parent culture ponds;
wherein, two adjacent circulating water fry culture ponds in the circulating water fry culture system pond group are used as a circulating pouring pond;
and taking a single circulating water parent culture pond in the circulating water parent culture system pond group as a circulating pouring pond.
That is, in some embodiments, the amount of concrete in the pond for cultivating the seedlings in the circulating water is 106m3And the concrete amount of the circulating water parent culture pond is 484m3The two adjacent circulating water seedling culture ponds can be used as one circulating pouring pond, and a single circulating water parent culture pond can be used as one circulating pouring pond for integral circulating pouring, so that the circulating water seedling culture system pond group and the circulating water parent culture system pond group can be quickly subjected to circulating pouring while the concrete is fully utilized, and the construction efficiency is improved.
Specifically, in S1, the step of dividing the circulating water fry culturing pond in the circulating water fry culturing pond group and the circulating water parent culturing pond in the circulating water parent culturing pond group into at least one circulating pouring pond respectively includes:
a road not less than 3m is arranged between the circulating water seedling culture area and the circulating water parent culture area;
roads with the length not less than 3m are arranged between the adjacent pond groups of the circulating water seedling culture system; a pedestrian road not larger than 2m is arranged between the adjacent circulating water seedling culture ponds;
roads with the length not less than 3m are arranged between the adjacent pond groups of the circulating water parent culture system; a pedestrian road with the length of not more than 2m is arranged between the adjacent circulating water parent culture ponds;
sequentially pouring the pond group of the circulating water seedling culture system and the pond group of the circulating water parent culture system in parallel at the same time; or pouring according to the sequence that the pond group of the circulating water seedling culture system is prior to the pond group of the circulating water parent culture system; or pouring according to the sequence that the pond group of the circulating water parent culture system is prior to the pond group of the circulating water seedling culture system.
Wherein, the pouring sequence of the circulating pouring water pond in the pond group of the circulating water fry breeding system is as follows: and performing propulsion construction from the circulating pouring water tanks on the two sides of the circulating water fry breeding area along the direction of the middle part of the circulating water fry breeding system pond group, and performing propulsion construction from the circulating pouring water tank in the middle part of the circulating water fry breeding system pond group along the directions of the two sides of the circulating water fry breeding system pond group. Namely, the pond group of the circulating water seedling culture system is pushed and constructed by running from two directions simultaneously, namely, the pond group is pushed and poured from two sides to the middle part and from the middle part to two sides; and further, the annular channel which is convenient for hoisting and flexible arrangement of warehousing equipment is arranged at the periphery of the construction area, and the cross construction of each working face is reduced.
Wherein, the pouring sequence of the circulating pouring water pond in the pond group of the circulating water parent culture system is as follows: performing propulsion construction from circulating pouring water pools on two sides of a circulating water parent culture area and along the middle direction of a pond group of a circulating water parent culture system; and further, the annular channel which is convenient for hoisting and flexible arrangement of warehousing equipment is arranged at the periphery of the construction area, and the cross construction of each working face is reduced.
Specifically, in some embodiments, the circulating water seed culture system pond group circulating water seed culture system pond and the circulating water parent culture system pond group circulating water parent culture system pond each comprise at least two reinforced concrete culture ponds 1 and one water treatment system pond; wherein the water tank bottom plate of the water treatment system is lower than the reinforced concrete culture pond 1;
the step of integrally pouring the circulating pouring pool through the construction sequence of bidirectional propulsion and concrete comprises the following steps of:
in the process of pouring the outdoor circulating pouring pool, pouring and vibrating treatment are needed to be carried out at the same time;
in the process of pouring the bottom plate, pouring the bottom plate concrete from the center of the reinforced concrete culture pond to the periphery when the bottom plate concrete is put into a warehouse; wherein, a bottom plate template is added in time after the bottom plate of the water treatment system pool 2 is vibrated.
Specifically, in S2, the step of pretreating the cabin surface where the circulating casting pool is located includes;
dividing the circulating pouring pool into a bottom plate steel bar binding area, a pool wall steel bar binding area, a template mounting area and a to-be-poured area;
and cleaning and moisturizing the surface of the storehouse where the circulating pouring pool is located. In some embodiments, solid impurities (such as large stones, household garbage, and the like) and loose surface materials (such as loose soil) must be left on the surface of the bin before pouring; therefore, the surface of the bin is cleaned before concrete pouring, and impurities on the surface of the bin and loose bodies on the surface layer are removed; wherein, the air-water gun is used for cleaning the sprayed surface before spraying construction, and removing pumice, stone slag or deposits on the excavated surface. And (3) removing pumice, stone slag or deposits on the excavated surface, washing the sprayed surface and wet argillized rocks by using a high-pressure air-water gun, and cleaning the rock surface by using high-pressure air. After the cleaning is finished, the surface of the bin is subjected to wetting treatment, but excessive accumulated water cannot exist, so that the quality of concrete is prevented from being influenced.
Specifically, before the step of S3, the step of integrally casting the concrete into a circulating casting pool;
and selecting the type and the concrete conveying mode of the concrete according to the concrete gradation and the bin surface structure performance, and carrying out temperature control protection on the conveyed concrete. Wherein, in some embodiments, the concrete is delivered in a horizontal position using 10m3The concrete tank truck adopts a crown pump to convey concrete when the concrete is conveyed at a position with a height difference; during concrete transportation, according to the requirements of concrete gradation, construction site conditions, warehousing strength and the like, measures for shortening the transportation time as much as possible and measures for building a sunshade net during high-temperature transportation are mainly adopted during the transportation process, so that the quality and the transportation stability of the concrete are guaranteed. Wherein, the natural pump can convey the concrete to a certain height, which makes up for other concreteA deficiency in pump delivery; and can realize that automatic feeding, stirring, pump sending are as an organic whole, accomplished mechanized construction really. The four sections of M-shaped arm frames are arranged on the automobile chassis, the whole machine is flexibly moved, the structural design is reasonable, the automobile body is smaller than a pump truck in the same industry, the occupied area is small, the four sections of M-shaped arm frames are more suitable for narrow space construction, and the four sections of M-shaped arm frames are convenient and flexible. Wherein, the grading is the distribution condition of particles with different grain diameters of the aggregate, and can be determined by a sieve analysis test. And (4) classification: 1. continuous grading: the continuous gradation is that after a certain mineral aggregate is screened in a standard sleeve screen, the particles of the mineral aggregate are continuously distributed from large to small, and each level occupies a proper proportion. The mineral mixture which has gradually-increased grain size and is prepared by mutually matching the grain sizes in proportion is called continuous graded mixture. 2. Discontinuous grading: in the whole interval of mineral aggregate particle distribution, one or continuous particle fractions are removed from the middle to form a discontinuous grading, namely a discontinuous grading; 3. continuous open grading: the overall mineral aggregate particle distribution is narrow, and occurs in a continuous manner only in a few size fractions from the maximum particle size to the minimum particle size, forming what is known as a continuous open gradation.
Specifically, in S3, after the step of performing the circulating continuous casting of the remaining part of the pool wall after the casting of the first layer is completed, the method further includes: after the integral casting is finished, a wooden trowel is combined with a piano steel wire for surface collection, so that the flatness of the top surface of the wall body is higher;
and/or pouring the bottom plate around the pool wall; before the concrete of the bottom plate is initially set, pouring a first layer of the wall when the slump of the bottom plate is judged to be reduced; the step of performing the circulating continuous pouring of the rest part of the pool wall after the pouring of the first layer is completed comprises the following steps: before the bottom plate concrete on the periphery of the pool wall is initially set, when the slump is reduced, the first layer concrete of the pool wall is poured, and inclined layered pouring is adopted so that the pouring height of the first layer of the circulating pool is higher than the height of the chamfer angle position of the pool wall of the circulating pool by at least 40 cm;
when the pouring height of the first layer of concrete is more than 2m, the starting point position adopts a chute to put in a warehouse; after the first layer of concrete is poured, circularly and continuously pouring the remaining pool wall concrete in an oblique layering mode; the method comprises the following steps that the method of sequential circulating casting and/or symmetrical circulating casting is adopted for casting the pool wall of the circulating casting pool before initial setting of cast concrete; in some embodiments, after concrete of the pool wall is poured, a wooden trowel is adopted to be combined with a piano steel wire for surface collection, so that the flatness of the top surface of the pool wall is ensured; and welding L30mm x 3mm galvanized angle iron at the position of the steel template which is 1-2cm higher than the designed elevation, wherein the specific position is determined according to the thickness of the wooden trowel. The concrete initial setting refers to that silicate cement is dry powder, a proper amount of water is added and mixed to form plastic cement paste, and the cement paste gradually thickens at normal temperature until the plasticity begins to lose, which is called as cement initial setting.
The slump refers to the workability of concrete, and particularly guarantees the normal operation of construction, wherein the slump includes the water retention, the fluidity and the cohesiveness of the concrete. The slump is measured by a quantitative index, and is used for judging whether the construction can be normally carried out. Wherein, aggregate separation passes through slump test, observes the condition of central accumulation aggregate and slurry, and then looks at the range circle of marginal slurry and the distance of aggregate range circle.
In some embodiments, the thickness of the bottom plate of the pond group of the circulating water seedling culture system is 30cm, and the thickness of the bottom plate of the parent pond group is 50cm, so that the pond bodies are integrally installed and poured in a warehouse. For the circulating water seedling culture pond, a circulating pouring water pond of the circulating water seedling culture system pond group comprises two circulating water seedling culture ponds and a water collecting well; when the bottom plate concrete is put in a warehouse, pouring from a water collecting well at the lowest part of one of the culture ponds to the periphery, wherein the height of the bottom plate of the pond of the middle water treatment system is lower than that of the bottom plates of the culture ponds at two sides, and covering wood templates in time after the bottom plate of the pond of the water treatment system is vibrated; and the other culture pond starts to store and pour the bottom plate from the water collecting well at the lowest position to the periphery.
Specifically, before the step S3, the concrete needs to be tested for slump, workability, temperature, and other indicators. And the concrete poured into the warehouse surface can be leveled in time without accumulation.
The circulating pouring water tanks in the circulating water seedling culture system pool group comprise two reinforced concrete culture tanks, and the middle part is a water treatment system pool; and carrying out pouring and vibrating treatment during pouring of the circulating water seedling culture pond. Wherein, the vibration adopts phi 50 and phi 30 inserted vibrating rods, and the vibrating distance of the vibrating rods is strictly not more than 30cm in the vibrating process, so that the vibration leakage in the vibrating process is avoided.
Specifically, in S5, the step of curing the poured circulating casting pool includes:
and carrying out watering covering maintenance on the poured circulating pouring pool within a preset time threshold, wherein the temperature of the exposed maintenance water and the temperature of the concrete of the circulating pouring pool are both within a first temperature value. In some embodiments, the concrete is timely subjected to watering covering maintenance after final setting, and in order to avoid surface cracks caused by a large difference between the maintenance water temperature and the concrete surface temperature and ensure that the water temperature and the concrete surface temperature are within 15 ℃, a deep water pumping well is adopted for the maintenance water. In the daytime, the watering maintenance frequency is properly encrypted according to the weather conditions, the maintenance time is 28 days on site, a specially-assigned person is arranged for maintenance, a maintenance record board is arranged, and a site manager can check in time. The deep well is a well for obtaining deep underground water, and is generally used in arid areas such as northwest China, and is mainly used for obtaining deep underground water (i.e. water below 20 meters underground).
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A continuous casting process for a pond body of an outdoor circulating water culture system is characterized in that a pond group of the outdoor circulating water culture pond body comprises a circulating water seedling culture system pond group and a circulating water parent culture system pond group; the continuous pool body pouring process of the outdoor recirculating aquaculture system comprises the following steps:
dividing a circulating water seedling culture pond in a circulating water seedling culture pond group and a circulating water parent culture pond in a circulating water parent culture pond group into at least one circulating pouring water pond respectively;
pretreating the bin surface where the circulating pouring pool is located;
integrally pouring the circulating pouring pool through the construction sequence of bidirectional propulsion and concrete; the integral casting comprises a casting bottom plate and a casting pool wall; the integral pouring sequence is that the bottom plate is poured firstly and then the pool wall is poured;
pouring a bottom plate around the pool wall; before the concrete of the bottom plate is initially set, pouring a first layer of the wall when the slump of the bottom plate is judged to be reduced; after the pouring of the first layer is finished, the circulating continuous pouring of the rest part of the pool wall is carried out;
and maintaining the poured circulating pouring pool.
2. A continuous casting process for outdoor circulating water culture system pond according to claim 1, wherein the step of dividing the circulating water fry culture pond in the circulating water fry culture pond group and the circulating water parent culture pond in the circulating water parent culture pond group into at least one circulating casting pond respectively comprises:
at least one circulating water fry culture system pond group forms a circulating water fry culture area;
at least one pond of the circulating water parent culture system forms a circulating water parent culture area;
the pond group of the circulating water seedling culture system comprises at least one row of circulating water seedling culture ponds, and each row of circulating water seedling culture pond comprises at least two sets of circulating water seedling culture ponds;
the pond group of the circulating water parent culture system comprises at least one row of circulating water parent culture ponds, and each row of circulating water parent culture pond comprises at least two sets of circulating water parent culture ponds;
wherein, two adjacent circulating water fry culture ponds in the circulating water fry culture system pond group are used as a circulating pouring pond;
and taking a single circulating water parent culture pond in the circulating water parent culture system pond group as a circulating pouring pond.
3. A continuous casting process for outdoor circulating water culture system pond according to claim 1 or 2, wherein the step of dividing the circulating water seed culture pond in the circulating water seed culture pond group and the circulating water parent culture pond in the circulating water parent culture pond group into at least one circulating casting pond respectively comprises:
a road not less than 3m is arranged between the circulating water seedling culture area and the circulating water parent culture area;
a road with the length not less than 3m is arranged between the adjacent circulating water seedling culture system pond groups; a pedestrian road not larger than 2m is arranged between the adjacent circulating water seedling culture ponds;
roads with the length not less than 3m are arranged between the adjacent pond groups of the circulating water parent culture system; a pedestrian road not larger than 2m is arranged between the adjacent circulating water parent culture ponds;
sequentially pouring the pond group of the circulating water seedling culture system and the pond group of the circulating water parent culture system in parallel at the same time; or pouring according to the sequence that the pond group of the circulating water seedling culture system is prior to the pond group of the circulating water parent culture system; or pouring according to the sequence that the pond group of the circulating water parent culture system is prior to the pond group of the circulating water seedling culture system.
4. A continuous casting process for a pond body of an outdoor recirculating aquaculture system as claimed in claim 3, wherein said step of integrally casting said recirculating casting pond by bidirectional advancing construction sequence and concrete comprises the steps of:
the pouring sequence of the circulating pouring water pools in the pond group of the circulating water fry breeding system is as follows: and propelling construction is carried out from circulating pouring ponds at two sides of the circulating water seedling culture area along the direction of the middle part of the circulating water seedling culture system pond group, and propelling construction is carried out from circulating pouring ponds at the middle part of the circulating water seedling culture system pond group along the directions of two sides of the circulating water seedling culture system pond group.
5. A continuous casting process for a pond body of an outdoor recirculating aquaculture system as claimed in claim 3, wherein said step of integrally casting said recirculating casting pond by bidirectional advancing construction sequence and concrete comprises the steps of:
and propelling construction is carried out from circulating pouring water pools on two sides of the circulating water parent culture system pond group in the circulating water parent culture area and along the middle direction of the circulating water parent culture system pond group.
6. A continuous casting process for a pond body of an outdoor circulating water culture system according to claim 1, wherein each of the circulating water seed culture system pond in the circulating water seed culture system pond group and the circulating water parent culture system pond in the circulating water parent culture system pond group comprises at least two reinforced concrete culture ponds and a water treatment system pond; the bottom plate of the water tank of the water treatment system is lower than the reinforced concrete culture pond;
the step of integrally pouring the circulating pouring pool through the construction sequence of bidirectional propulsion and concrete comprises the following steps of:
in the process of pouring the outdoor circulating pouring pool, pouring and vibrating are carried out simultaneously;
in the process of pouring the bottom plate, pouring the bottom plate concrete from the center of the reinforced concrete culture pond to the periphery when the bottom plate concrete is put into a warehouse; wherein, a bottom plate template is added in time after the bottom plate of the water treatment system tank is vibrated.
7. A continuous casting process for a pond body of an outdoor recirculating aquaculture system according to claim 1, wherein the step of pretreating the surface of the pond where the recirculating casting pond is located comprises;
dividing the circulating pouring pool into a bottom plate steel bar binding area, a pool wall steel bar binding area, a template mounting area and a to-be-poured area;
and cleaning and moisturizing the surface of the storehouse where the circulating pouring pool is located.
8. A continuous casting process for a pond body of an outdoor recirculating aquaculture system according to claim 1, wherein the concrete is cast integrally with the recirculating casting pond;
and selecting the type and the concrete conveying mode of the concrete according to the concrete gradation and the bin surface structure performance, and carrying out temperature control protection on the conveyed concrete.
9. A continuous casting process for pond body of outdoor recirculating aquaculture system as claimed in claim 1, wherein the casting is performed on the bottom plate around the wall of said pond; before the concrete of the bottom plate is initially set, pouring a first layer of the wall when the slump of the bottom plate is judged to be reduced; the step of performing the circulating continuous pouring of the rest part of the pool wall after the pouring of the first layer is completed comprises the following steps: before the bottom plate concrete on the periphery of the pool wall is initially set, beginning to pour the first layer concrete of the pool wall when the slump is reduced, and adopting oblique layered pouring to ensure that the pouring height of the first layer of the circulating pool is at least 40cm higher than the height of the chamfer angle position of the pool wall of the circulating pool;
when the pouring height of the first layer of concrete is more than 2m, the starting point position adopts a chute to be put into a bin; after the first layer of concrete is poured, circularly and continuously pouring the remaining pool wall concrete in an oblique layering mode; the method comprises the following steps that the method of sequential circulating casting and/or symmetrical circulating casting is adopted for casting the pool wall of the circulating casting pool before initial setting of cast concrete;
and/or after the step of completing the pouring of the first layer and performing the circulating continuous pouring of the rest part of the pool wall, the method further comprises the following steps: after the integral pouring is completed, a wooden trowel is adopted to combine with a piano steel wire to perform surface folding, so that the top surface of the wall body is higher in flatness.
10. A continuous casting process for outdoor recirculating aquaculture pond body according to claim 1, wherein said step of maintaining the cast recirculating casting pond comprises:
and carrying out watering covering maintenance on the poured circulating pouring pool within a preset time threshold, wherein the temperature of maintenance water for watering and the temperature of concrete in the circulating pouring pool are both within a first temperature value.
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| CN114232983A (en) * | 2021-12-31 | 2022-03-25 | 中铁二十局集团第六工程有限公司 | Construction method and system of pool wall template |
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| CN103015719A (en) * | 2012-12-07 | 2013-04-03 | 中国石油集团川庆钻探工程有限公司 | Integral casting process for reinforced concrete wastewater tank in predrilling engineering |
| CN106121335A (en) * | 2016-08-21 | 2016-11-16 | 中铁四局集团有限公司 | Water treatment building base plate and the one-time formed formwork for placing of pool wall and construction method |
| JP2018178546A (en) * | 2017-04-13 | 2018-11-15 | 株式会社安部日鋼工業 | Construction method of steel tank integrated with concrete wall |
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