1024 results about "Precast concrete" patented technology

The invention provides a node connecting structure of a fabricated building and a construction method of the node connecting structure, and relates to connecting nodes for splicing prefabricated concrete columns with foundation column piers, ground beams, interlayer beams, top beams and columns. Beam column connecting joints connected with the ground beams are located at the position 0.6-1 m below the ground layer, and inter-column connecting joints are located at the position 0.9-1.2 m above the elevation of the middle axis of the interlayer beams. Each node adopts a built-in box-type steel pipe or a steel tenon-and-mortise component and is fixed through tenon-and-mortise matching of a steel tenon and a steel mortise groove and a high-strength bolt, so that rapid and accurate assembly of the beam column or between the columns is realized; and after connection is completed, a formwork is erected in a node area, high-strength concrete is cast in place, and a steel reinforced concrete stress component is formed. And the shear bearing capacity, the integrity and the anti-seismic property of the joint are obviously improved. Meanwhile, components are prefabricated in a factory and assembled in a dry mode on site, construction is convenient and fast, quality is controllable, and the structure is suitable for assembly type buildings with high-rise and high-seismic fortification requirements.

The invention discloses a soft soil foundation embankment heightening and widening structure and a construction method, and belongs to the field of water conservancy projects. In order to solve the problems of uneven settlement, landslide instability and overlarge occupied area easily occurring when the soft soil foundation embankment is heightened and widened, the structure comprises precast concrete piles (top beams and ripraps are arranged on the tops of the piles) densely arranged at the slope toe outside the embankment, an inner side cantilever retaining wall (with drainage holes and a gravel inverted filter), geogrids laid in backfill soil in a layered mode, and CFG piles arranged on the lower portion in a plum blossom shape. The guardrail base and the flower bed are integrally poured with the retaining wall. The construction method comprises the steps of slide-resistant pile construction, earthwork excavation, CFG pile construction, retaining wall pouring, embankment body backfilling and embankment top road construction. Bidirectional control over settlement and horizontal displacement is achieved through cooperation of multiple structures, variable-stiffness leveling can be achieved by adjusting parameters of the CFG piles, and the variable-stiffness leveling structure has the advantages of skid resistance, stability, landscape optimization and land occupation saving and is suitable for soft soil foundation embankment upgrading and reinforcing projects.

The utility model discloses a bolted assembly type airport pavement structure, which comprises a plurality of adjacent prefabricated concrete upper cover plates and a plurality of prefabricated concrete base plates, the prefabricated concrete upper cover plates and the prefabricated concrete base plates are in bolted connection, each prefabricated concrete upper cover plate comprises an upper cover plate central part and four flange parts, the upper cover plate central part is a cube with the thickness of h, four flange parts with the thickness of h / 2 are arranged on the upper edges of the four side edges of the central part of the upper cover plate and partially extend outwards, the length of the long edge of each flange part is smaller than that of the central part of the upper cover plate, and the adjacent flange parts are not connected with each other; a boss is formed in the middle of the square precast concrete base plate with the thickness of h / 2, and the top face of the boss and the top face of the precast concrete upper cover plate are spliced to form a complete plane. The connecting mode is simple and practical, assembling and disassembling operation is easy and convenient, force transmission performance is excellent, and the stress requirement of an airport pavement structure is completely met.

The invention relates to the technical field of precast concrete proportioning, and discloses a precast concrete proportioning optimization method and system based on artificial intelligence. The system comprises a mix proportion design scheme obtaining module which is used for obtaining a first mix proportion scheme according to material proportion hierarchy according to component engineering requirements; the environmental parameter acquisition module is used for acquiring real-time environmental data of a production area; the performance reference prediction module is used for calculating reference parameters according to the material performance characteristic matrix in the first scheme and determining a first performance reference vector; the environment evolution prediction module is used for obtaining a multi-stage production environment parameter sequence based on a real-time data prediction trend; the performance deviation evaluation module is used for obtaining multi-stage performance deviation vectors through a prediction model in combination with the reference vector; the optimization decision generation module optimizes the allocation ratio parameters according to the allocation ratio parameters and generates an optimization strategy; and the proportioning control execution module is used for proportioning equipment parameters according to a strategy. The system adapts to a dynamic production environment, and accurate matching and stable quality are guaranteed.

The invention relates to an assembly type integrated fire-fighting smoke exhaust fan room structure which comprises a machine room enclosure bulkhead cylinder body which is provided with a bottom plate, a first side wall and a second side wall, the first side wall and the second side wall are connected with the bottom plate and vertically arranged in parallel, and the two ends of the machine room enclosure bulkhead cylinder body in the horizontal direction are provided with a first opening end and a second opening end which are oppositely arranged correspondingly; the end cover side wall is provided with a first end cover and a second end cover which are respectively arranged at the first opening end and the second opening end; smoke suction and exhaust ports are formed in the first end cover and the second end cover and are used for being connected with a ventilation pipeline; the machine room access door is arranged on the first side wall or the second side wall and can be opened and closed; the fan is arranged in an internal space formed by the machine room enclosure bulkhead cylinder body, the first end cover and the second end cover; the machine room enclosure bulkhead cylinder body, the first end cover, the second end cover and the machine room access door are all of a prefabricated concrete structure. The fabricated integrated design is adopted, the cost is low, the self weight is light, fireproof performance is achieved, and the advantages of being stable, reusable, attractive and the like are achieved.

The utility model discloses a formwork reinforcing and opposite-pulling device for building construction, and relates to the technical field of building construction auxiliary devices. The rotating rod is rotatably arranged on the penetrating pipe in a penetrating mode, the two ends of the rotating rod penetrate out of the two ends of the penetrating pipe respectively, the two ends of the rotating rod are each provided with a threaded section, and the screwing directions of threads of the two threaded sections are opposite; the number of the nut sleeves is two, and the two nut sleeves are connected to the two threaded sections in a threaded and sleeving mode correspondingly. And the pressing bracket is fixedly connected to the periphery of the nut sleeve. By arranging the penetrating pipe, the penetrating pipe is inserted into preformed holes of a concrete precast slab and a formwork, then the rotating rod rotates, the two threaded sections are screwed with the two nut sleeves in a threaded mode, in the threaded screwing process, the two nut sleeves drive the two pressing supports to move relatively, the pressing supports abut against the surface of the formwork, and therefore the formwork can be fixed. And then extrusion force is generated on the formwork, and the formwork is reinforced.

The invention discloses a polycarboxylate superplasticizer with a linear water-reducing rate as well as a preparation method and application of the polycarboxylate superplasticizer. The water reducing agent is prepared from a polyether macromonomer phosphating derivative, a carboxylic acid monomer, a sulfonic acid monomer, an ester slump retaining monomer, a linear regulation and control monomer and other units through a free radical emulsion polymerization process. Compared with a traditional polycarboxylic acid water reducer, the water reducer has more regular side chain arrangement, higher charge density, higher adsorption capacity and more stable dispersing performance, the water-reducing rate can be linearly increased along with the increase of the mixing amount within the effective mixing amount range, and the water-reducing efficiency is improved. The problem that the concrete fluidity is difficult to control due to nonlinear fluctuation of the water reducing rate of a traditional polycarboxylic acid water reducing agent is solved, and the method has important significance on improving the concrete construction stability and the engineering quality. The product provided by the invention has excellent mud resistance and slump loss resistance besides high linear water-reducing rate, is suitable for various cast-in-place and precast concrete projects, and has remarkable economic value and application prospect.

The invention provides a fabricated shear wall structure and a construction method thereof, and relates to the technical field of construction.After a lower prefabricated wall is installed and fixed, a prefabricated beam is hoisted, a beam end connecting assembly at the end of the prefabricated beam is connected with a lower wall top connecting assembly arranged at the top of the lower prefabricated wall, and a prefabricated floor slab can be hoisted after connection is completed; the prefabricated floor slab is placed on the top of the prefabricated beam or the lower prefabricated wall, then the upper prefabricated wall is hoisted, the upper wall bottom connecting assembly on the upper prefabricated wall is connected with the lower wall top connecting assembly, and therefore connection of the prefabricated beam, the upper prefabricated wall and the lower prefabricated wall is completed. Continuous and rapid assembly construction can be achieved, the construction period is effectively shortened, and the technical problems that in the prior art, grouting sleeves are adopted for connection between prefabricated concrete floors and shear walls and connection between beams and shear walls, the construction period is long, and temporary supporting structures need to be additionally used are solved.

The invention discloses a prestressed laminated slab as well as a manufacturing method and a using method thereof, and belongs to the technical field of constructional engineering. The prestressed laminated slab comprises a transverse pipeline, a prefabricated concrete bottom plate, reinforcing ribs, longitudinal prestressed tendons and transversely distributed steel bars, the transverse pipelines are arranged at intervals in the first direction, are partially embedded in the prefabricated concrete bottom plate and are parallel to the second direction; longitudinal prestressed tendons and transverse distributed steel bars are arranged in the prefabricated concrete bottom plate. The reinforcing ribs are arranged at intervals in the first direction, and the bottoms of the reinforcing ribs are fixed to the prefabricated concrete bottom plate. The first direction is the length direction of the precast concrete bottom plate, and the second direction is the width direction and is perpendicular to the precast concrete bottom plate. The reinforcing ribs can adopt various structures such as concrete ribs and steel pipe trusses, and light material blocks are arranged on the prefabricated concrete bottom plate and arranged in an area defined by the reinforcing ribs and the transverse pipelines. The manufacturing method comprises the following steps: cleaning a mold table, assembling the mold, distributing the reinforcements, tensioning, fixing the pipeline and the reinforcing ribs, pouring, maintaining and the like. During use, the two-way prestressed floor slab is formed through hoisting, pipeline connection, reinforcement, reinforcement penetrating, pouring, tensioning and grouting. The problems that an existing laminated slab is poor in stress performance, prone to cracking, insufficient in bonding strength and the like are solved, bidirectional prestress design, consistent bidirectional rigidity of a floor system and bidirectional force transmission performance are achieved, the integrality and crack resistance of a floor slab are improved, the self weight is reduced, the steel consumption is reduced, the construction process is simplified, and the laminated slab is suitable for large-span and heavy-load building scenes.

The invention relates to a handling device (100) for lifting and / or pivoting or turning concrete elements, in particular prefabricated concrete parts (400), and to concrete elements, in particular prefabricated concrete parts, for use in conjunction with such a handling device (100). The invention further relates to a moulding device (500) for producing such concrete elements, in particular prefabricated concrete parts.

The precast concrete processing vibration table comprises a bottom plate and a vibration table body arranged on the upper side of the bottom plate, and further comprises a damping non-slip mat which is installed at the lower end of the bottom plate, a first supporting frame is arranged on the outer side of the bottom plate, and a guide block is arranged on the inner side of the first supporting frame; a supporting rod is arranged on the inner side of the guide block, a damper is arranged in the middle of the supporting rod, and a positioning block is arranged on the upper side of the first supporting frame. According to the precast concrete processing vibration table convenient to unload, solidified concrete parts can be conveniently disassembled and unloaded after use, so that an operator does not need to spend a large amount of time cost when disassembling the solidified concrete parts, the use efficiency of the device is improved, meanwhile, the interior of the device is conveniently cleaned after the device is used, and the practicability of the precast concrete processing vibration table is improved. And therefore, the secondary use of the device is not easily influenced by residual chippings generated when the solidified concrete part is discharged, the processing quality of the device is ensured, and a better using effect is achieved.

The application provides a reset connecting device, which is arranged at the joint position of adjacent prefabricated concrete cable trenches, reset node assemblies of the connecting device are arranged on both sides of the joint, elastic reset sheets are connected between the reset node assemblies, the end of the elastic reset sheet is accommodated in a reset oil cylinder of the reset node assembly, when the prefabricated concrete cable trench is dislocated due to short-time external force, the elastic reset sheet is deformed under tension and compresses the oil in the reset oil cylinder; when the external load that causes the dislocation of the cable trench disappears, the elastic reset sheet rebounds under the hydraulic pressure in the reset oil cylinder, pulls the two reset node assemblies connected therewith to reset, and then resets the cable trench fixed therewith, so that the deformation and damage of the joint of the prefabricated concrete cable trench caused by the external short-time load are effectively avoided. The application further provides a resettable prefabricated concrete cable trench.

This invention belongs to the field of prefabricated building technology and discloses an installation device for precast concrete stair components, including a base. Through the cooperation of a positioning component and a hydraulic mechanism, a rubber plate presses against two support plates, causing the lower end of the rubber plate to squeeze the hydraulic oil inside the hydraulic cylinder into the telescopic rod, forcing it to extend the guide rod. The guide rod then moves the hydraulic oil between itself and the sealing plate, causing the oil pressure to pass through a metal rod and compress the air between the sealing plate and the sealing plate. The telescopic end of the hydraulic cylinder moves slowly, preventing damage to the precast concrete stair components and the device during movement. The hydraulic mechanism drives the support component to lower the positioning component and the precast concrete stair components to a suitable installation position, reducing the time spent installing the stair with a crane and minimizing the labor required to manually move the precast concrete stair components and align them in their installation positions.

The article to which this design relates is intended, for example, to support reinforcing bars embedded in precast concrete slabs.

The utility model relates to the technical field of hoisting of precast concrete, in particular to an auxiliary hoisting device for precast concrete. The two lifting hooks are used for hanging a concrete prefabricated part, and the two lifting hooks are rotationally arranged on the lower portion of the hanging bracket; the balance mechanism is fixedly arranged in the middle of the hanging bracket, the balance mechanism comprises a balance box with a containing cavity, a balancing weight arranged in the balance box and a driving assembly used for driving the balancing weight to reciprocate in the length direction of the balance box, and the balance of the concrete prefabricated part is adjusted by changing the position of the balancing weight in the balance box. According to the utility model, the balance mechanism is arranged on the hanging bracket, so that when the precast concrete is inclined during hoisting, the relative position of the balancing weight in the balance box is adjusted through the driving assembly, the gravity center distribution is changed, the posture of the hanging bracket is corrected to be in a balanced state, the shaking amplitude is reduced, the stability in the hoisting process is ensured, and the damage risk of the precast concrete is reduced; and the security threats of construction site personnel and peripheral settings are also reduced.

This invention relates to the field of precast concrete components, specifically disclosing an energy-saving and environmentally friendly precast concrete component, including a precast staircase assembly. The precast staircase assembly consists of multiple steps, each step having multiple drainage holes at its top and a water collection trough inside each step. A guide plate is connected inside the water collection trough. It also includes two guard plates, which are fixedly installed on both sides of the precast staircase assembly. One of the guard plates has a sloping groove inside, and a drainage component is fixedly installed inside the sloping groove. This invention can drain rainwater from the steps during rainy days, preventing rainwater or other liquids from accumulating on the steps, thereby reducing the risk of slipping and falling for workers. It also prevents the steps from being soaked in water, extending the service life of the precast concrete staircase. Furthermore, it filters and stores rainwater for subsequent use, saving water resources and improving the environmental friendliness of the equipment.

The invention provides an underground comprehensive pipe gallery belt water-stop disassembly-free end mold and a construction method. The underground comprehensive pipe gallery belt water-stop disassembly-free end mold comprises annular prefabricated concrete, and annular water-stop belts are arranged on the end faces of the two sides of the prefabricated concrete; the prefabricated concrete is further provided with an annular flexible deformation joint, and an annular U-shaped water stop strip is arranged in the flexible deformation joint; the flexible deformation joint is located between the two end faces of the prefabricated concrete and divides the prefabricated concrete into two parts. An outer step and an inner step which extend outwards are arranged on the two sides of the annular waterstop, and the height of the outer step and the height of the inner step are larger than or equal to the height of the annular waterstop. A horizontal waterstop reserved hole is formed in one side of the annular waterstop. According to the scheme of end mold prefabrication and disassembly-free and side wall cast-in-place, the structure which is complex in structure and high in anti-permeability performance contribution is arranged on the disassembly-free end mold, factory prefabrication is conducted, and large-batch, high-quality and low-cost production can be achieved through batch production and equipment assistance. And the size of the disassembly-free end mold is relatively small, so that the transportation cost is not high.

The invention discloses a vertical prefabricated concrete tower drum annular sheet steel bar binding tool and method.The vertical prefabricated concrete tower drum annular sheet steel bar binding tool comprises a binding support, a transverse steel bar end positioning plate, a transverse steel bar positioning plate and a longitudinal steel bar positioning plate, the binding support comprises a base distributed in an arc shape, and a plurality of stand columns are evenly distributed on the base; a sliding rail is arranged between every two adjacent stand columns, an installation pipe is arranged on each sliding rail in a sliding mode, the installation pipes can move in the axial direction of the sliding rails to form a binding area with the adjustable diameter, the transverse steel bar end positioning plates and the transverse steel bar positioning plates are matched to position and install transverse steel bars, the longitudinal steel bar positioning plates are detachably connected with the installation pipes, and the longitudinal steel bar positioning plates are detachably connected with the installation pipes. The longitudinal reinforcing steel bar binding tool is used for installing longitudinal reinforcing steel bars, the diameter of a binding area can be rapidly adjusted by moving the installation pipe, meanwhile, the longitudinal reinforcing steel bar positioning plate with the corresponding length is installed, the stable reinforcing steel bar binding tool can be formed, and therefore the tool adapts to concrete tower drum ring pieces of various structural diameters, and applicability is improved.

Method for producing concrete paving stones (2) with at least one predetermined surface structure, in which a core concrete (4) is poured into and compacted into at least one mold (3) having a plurality of recesses for the simultaneous production of several concrete paving stones (2), thereby first creating a core concrete layer, in which a facing concrete (12) is then poured onto the compacted core concrete (4) in the multiple recesses to create a facing concrete layer (12), and subsequently the poured concrete (4; 12) is hardened, in which, prior to the hardening of the concrete (4; 12), the surface of the produced facing concrete layer (12) is treated with at least one treatment device (17), thereby creating the predetermined surface structure in the form of depressions in the facing concrete layer (12).wherein the treatment device (17) is moved by means of a traversing and / or adjusting device (15) to one and / or more surface positions of the facing concrete layer (12) and / or along at least one surface section and / or surface area of ​​the facing concrete layer (12) to generate at least one predetermined surface structure of the facing concrete layer (12) in a program-controlled manner, wherein the surface of the facing concrete layer is treated with one or more treatment elements (22, 22.1, 22.2) of the treatment device (17) and the treatment element (22, 22.1, 22.2) of the treatment device (17) is selected in a program-controlled manner and wherein the depth of the depressions to be produced in the facing concrete layer is determined in a program-controlled manner.

The vertical connecting structure comprises a plate body, a protective frame is fixedly connected to one side of the plate body, a waterproof groove is formed in one side of the protective frame, placing frames are fixedly connected to the two sides of the inner wall of the protective frame, a plurality of ventilation openings are formed in the four sides of each placing frame, and the ventilation openings are communicated with the waterproof groove. A drying agent is arranged at the bottom of the inner wall of the placing frame, and the other side of the plate body is fixedly connected with a sealing ring. Through cooperative use of structures such as the protective frame, the waterproof groove, the placing frame, the air vent, the drying agent, the sealing ring, the insertion assembly, the clamping assembly and the bolts, waterproof work can be carried out on the splicing position after the two plate bodies are spliced; and external rainwater and moisture are prevented from permeating into the plate from the splicing seams to cause moisture in the plate, and corrosion of steel bars and cracking of concrete are prevented, so that the durability of the prefabricated concrete laminated plate is improved, and the service life of the whole building is prolonged.

The invention discloses recycled aggregate concrete slurry and a prefabricated concrete laminated slab, and belongs to the technical field of prefabricated building materials. The recycled aggregate concrete slurry consists of a cementing material, aggregate, a functional additive, an additive and mixing water, the functional additive is selected from super absorbent resin, end hook type steel fiber and polypropylene fiber; the aggregate is composed of recycled coarse aggregate, natural gravel and medium sand; the additive comprises a water reducing agent. Concrete prepared from the recycled aggregate concrete slurry has excellent normal-temperature comprehensive mechanical properties, excellent high-temperature burst resistance, good workability and volume stability and certain economical efficiency and environmental friendliness. The recycled aggregate concrete slurry is used for preparing the prefabricated concrete laminated slab, and the obtained prefabricated concrete laminated slab has excellent durability and good safety.

The application provides an assembled shear wall structure and a construction method thereof, and relates to the technical field of buildings. After the installation and fixation of a lower prefabricated wall are completed, a prefabricated beam is hoisted, a beam end connecting assembly at the end of the prefabricated beam is connected with a lower wall top connecting assembly arranged at the top of the lower prefabricated wall, after the connection is completed, the prefabricated floor is hoisted, the prefabricated floor is placed on the prefabricated beam or the top of the lower prefabricated wall, then an upper prefabricated wall is hoisted, an upper wall bottom connecting assembly on the upper prefabricated wall is connected with the lower wall top connecting assembly, thereby the connection of the prefabricated beam, the upper prefabricated wall and the lower prefabricated wall is completed, the installation process does not need to set a temporary support and wait for the strength formed by post-poured concrete, the continuous and rapid assembly construction can be realized, the construction period is effectively shortened, and the technical problem that the connection between the prefabricated concrete floor and the shear wall, the beam and the shear wall in the prior art needs to use a grouting sleeve connection construction period which is long and needs to use an additional temporary support structure is solved.

The utility model discloses a precast concrete member cassette which comprises a cassette body, the body is cylindrical, a hollow mounting cavity is arranged in the body, pipe joint groups communicated with the mounting cavity are arranged on the left side and the right side of the bottom of the mounting cavity, and an upper cover is arranged at the upper end of the mounting cavity. The pipe joint group comprises a plurality of first pipe joints which are arranged in a line, at least one second pipe joint is arranged on the body, a section type rotating groove is formed in the inner wall of the upper end of the mounting cavity, a connecting ring is rotationally connected in the section type rotating groove, and a dense tooth group is arranged on the connecting ring. According to the utility model, the large-aperture pipe joint with the conversion plug is additionally arranged in a conventional pipe joint group structure, so that the wiring is more flexible, and the application scene is wider; and meanwhile, the rotary connecting ring with the section adding type locking function is additionally arranged, so that the position and the direction of the cassette are easier to adjust during connection, and the cassette is convenient to connect and fix.

1. Name of the designed product: house (precast thermal insulation structure concrete house). 2. Use of the designed product: for a precast concrete house with thermal insulation structure. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The utility model discloses movable precast concrete vibrating equipment which comprises a movable vibrating mechanism, the movable vibrating mechanism comprises a vibrator mounting frame, and a plurality of vibrating structures with adjustable positions are mounted in the vibrator mounting frame; the vibrating structure comprises a rolling moving frame rolling in a vibrator mounting frame, and a vibrator is mounted on the rolling moving frame; the vibrator is suspended at the bottom of the rolling moving frame through a suspension structure; an upper top cover is mounted at the top of the vibrator mounting frame, a long rectangular sliding opening is formed in the upper top cover, a plurality of locking structures are fixedly connected to the top of the rolling moving frame, and the vibrator is positioned after the position is adjusted through the locking structures. According to the device structure, during construction, the distance between the vibrators can be adjusted according to the cage opening position of the reinforcement cage, then the multiple vibrators can be lowered synchronously in the vibrating process, one-time multi-position vibrating is achieved, the construction efficiency is greatly improved, and the defect that a transmission vibrator can only conduct vibrating step by step, and the efficiency is too low is effectively overcome.

The invention relates to the technical field of troweling devices, and provides a troweling device and a troweling method for a concrete prefabricated part, which can be matched with the concrete prefabricated part to form basic troweling and galling and can further assist in leveling, so that the quality uniformity of the concrete prefabricated part is effectively improved. The device is more practical, meanwhile, auxiliary adjustment can be conducted according to specific use conditions, the use flexibility is better, the device comprises an outer frame, a swing trowelling structure and a galling frame, the swing trowelling structure comprises an overhanging frame, two rotating frames are rotationally connected to the overhanging frame, and trowelling plates are fixedly connected to the bottom ends of the two rotating frames; a synchronous driving assembly is installed on the overhanging frame, the overhanging frame is in sliding connection with the outer frame, the galling frame is rotationally connected with two upper parallel frames and two lower parallel frames, the other ends of the two upper parallel frames and the two lower parallel frames are rotationally connected with the overhanging frame, and an adjusting assembly is installed between the galling frame and the overhanging frame. A lifting fine adjustment assembly is installed in the outer frame.

This invention discloses a dynamic scheduling method and system for precast concrete beams to meet the demand for beams from multiple construction sections. The method includes: S100, mapping the beam storage platforms to a spatiotemporal grid with turnover attributes, and converting the beam erection demand from multiple construction sections into a standardized production work order pool; S200, clustering all work orders to be produced based on a mold family library to generate an initial continuous production sequence that prioritizes reducing the frequency of mold disassembly and assembly and adjustment time; S300, verifying the platform occupancy of the initial sequence based on curing cycle parameters, and automatically inserting production intervals or adjusting the sorting when spatiotemporal conflicts are detected to correct the production schedule; S400, applying a weighted scoring model to quantitatively sort each plan, and locking the plan with the highest comprehensive score as the current execution target; S500, decomposing the final plan into mold modification, pouring, and beam moving operation instructions accurate to the hour and issuing them. Through multi-plan comparison, the ability of precast beam plants to fulfill complex beam supply demands is improved.

The utility model discloses a PCTSP wallboard assembly type self-locking connection node, and relates to the technical field of building industrialization, in particular to an assembly type self-locking connection node for a prefabricated concrete sandwich wallboard, which is technically characterized by comprising a first wallboard, a second wallboard and an I-shaped positioning piece, a first T-shaped groove is formed in one side of the first wall plate, a first locking groove is formed in the inner side wall of the first T-shaped groove, a second T-shaped groove is formed in one end of the second wall plate, a second locking groove is formed in the inner side wall of the second T-shaped groove, and two locking blocks are slidably mounted on each of the two sides of the I-shaped positioning part. By arranging the locking blocks, the first wall plate and the second wall plate can be positioned and self-locked, so that the connecting structure is suitable for rapid installation and structural connection between the wall plates in a modular building, three-dimensional stress self-locking and tool-free rapid installation are achieved, the connecting operation is convenient and fast, and the fabricated wall plates are accurate in construction positioning and good in anti-seismic property.

The invention discloses an inner and outer core variable cross-section composite pile and a construction method thereof.The inner and outer core variable cross-section composite pile comprises an outer core and an inner core, the inner core is a precast concrete pile and comprises a variable cross-section section located on the upper portion and at least one uniform cross-section section located on the lower portion, and the cross-section area of the variable cross-section section is decreased from top to bottom; the variable-section sections and the uniform-section sections are connected through connecting assemblies, every two adjacent uniform-section sections are connected through connecting assemblies, the outer core is a cement-soil mixing pile which is formed in situ on site, part of the section sections of the cement-soil mixing pile are in an expanding mode, and the central axis of the inner core coincides with the central axis of the outer core. The bearing performance, the economical and environment-friendly performance and the construction quality and efficiency of the pile foundation are comprehensively improved.

The utility model discloses a kind of assembled prestressed concrete column anti-splitting reinforcement devices, including concrete column main body, the concrete column main body is connected with reinforcing part, the reinforcing part includes: a plurality of prefabricated concrete boards, with concrete column main body surface adhesion;Several reinforcing strips, respectively inserted between concrete column main body and a plurality of prefabricated concrete boards, the utility model relates to concrete column anti-splitting reinforcement technical field.The assembled prestressed concrete column anti-splitting reinforcement device, let protective frame cooperate with spring, anti-drop strip, precast concrete board is resisted in concrete column main body surface and plays certain prestress treatment effect, precast concrete board cooperates with reinforcing strip and protective frame, and it plays reinforcing and anti-splitting effect to concrete column main body, and first mounting seat, second mounting seat, first bolt nut assembly, second bolt nut assembly, anti-drop component cooperate with each other, and support structure is installed on the outer side edge of protective frame.