574 results about "Load distribution" patented technology

The invention discloses a cooperative control method for double-crane lifting of a large-span steel structure, which comprises the following steps of: pre-installing sensor modules on a crane hook and a steel structure key node before construction, acquiring load distribution and structural deformation data in real time through a multi-source sensor fusion technology, and establishing a unified coordinate system; and the cooperative control system is started to control the hoisting process. The invention further discloses a safety monitoring system for double-crane lifting of the large-span steel structure. According to the invention, the action matching height precision of the two cranes is ensured, the construction precision and the hoisting efficiency are improved, the safety of hoisting operation is guaranteed in all directions, and the accident rate is reduced.

The invention relates to the technical field of building curtain wall keel structure design, and discloses a curtain wall keel structure intelligent optimization design method, which comprises the following steps: firstly, obtaining geometric parameters, load distribution data and material performance indexes, and verifying the geometric parameters, the load distribution data and the material performance indexes; analyzing the verified data to generate multi-dimensional structure characteristic parameters, and constructing a structure optimization reference model; keel structure data are verified in real time according to the model, and abnormal matching of node displacement and stress distribution is quantitatively evaluated; according to a verification result, generating a structural anomaly index to judge a design defect; and when defects exist, optimization design schemes including keel section adjustment, node reinforcement and the like are automatically generated and sequenced. According to the method, multiple factors are comprehensively considered, multi-objective optimization is achieved, the curtain wall keel structure design quality and efficiency can be improved, the structure safety is guaranteed, and the cost is reduced.

The invention discloses a fabricated building curtain wall assembly control system and method in the technical field of building industrialization. The method comprises the steps that building curtain wall assembly data are obtained; respectively inputting the building curtain wall assembly data into the module adaptation degree calculation model, the dynamic load distribution calculation model and the connection efficiency evaluation function calculation model to obtain an adaptation degree coefficient, a dynamic load value and a connection efficiency index; performing dynamic adaptation on the curtain wall unit and the building main body structure based on the adaptation degree coefficient; performing real-time positioning deviation compensation in the installation process based on the dynamic load value; and performing quantitative control on the connection node strength and the overall load distribution based on the connection efficiency index. Compared with the limitation of geometric accuracy and structure safety separation control in the traditional process, the scheme synchronously completes curved surface matching degree improvement and aerodynamic performance optimization in the curtain wall unit installation process, and the industrial pain point that modeling accuracy and wind resistance of a special-shaped curtain wall are difficult to consider at the same time is fundamentally solved.

The invention relates to the technical field of concrete structure construction, and discloses a super-long concrete post-cast strip structure and a manufacturing method.The structure comprises an interface treatment layer, a fiber grid layer, a micro-expansion concrete layer and a steel fiber protection layer which are sequentially arranged from bottom to top, and the interface treatment layer is used for providing combination transition of new concrete and old concrete; the fiber grid layer is used for achieving deformation constraint and stress transfer, the micro-expansion concrete layer is used for forming an autonomous compensation deformation area, and the steel fiber protection layer is used for providing final structure protection and load distribution. The interface treatment layer is a concrete base surface treated by high-pressure water jet, and is coated with a silane-based interface treatment agent. The bonding strength of new concrete and old concrete is enhanced through the interface treatment layer, the fiber grid layer provides effective deformation constraint, the micro-expansion layer achieves automatic shrinkage compensation, the steel fiber layer controls crack development, the layers are matched with one another to form a complete anti-crack system, the problem that the anti-crack performance of a traditional post-cast strip is insufficient is solved, and the overall anti-crack performance is improved.

The invention relates to the technical field of building structure reinforcement, and discloses a calculation method for increasing photovoltaic reinforcement on the roof of an existing building, which comprises the following steps of: constructing a load distribution model containing a vertical load layer (self weight of a photovoltaic module and accumulated snow load) and a horizontal load layer (wind load and earthquake load), and cooperatively transmitting the load through a node support system and an anchoring connecting piece; generating a roof reinforcement analysis model containing a supporting node model and a connecting component model; generating a reinforcement assembly sequence according to the photovoltaic system installation position distribution information and the reinforcement analysis model; generating a load distribution scheme based on the component sequence; and the distribution scheme and the reinforcement analysis model are combined, and the supporting node arrangement density and the connecting component material specification are determined through multi-objective optimization. According to the method, multi-load and structure aging are comprehensively considered, multi-target optimization is achieved, the safety and economical efficiency of the reinforcement scheme are improved, and the method is suitable for photovoltaic reinforcement calculation of the existing building roof.

The invention relates to a stress analysis method and system based on a small and medium span bridge steel-concrete composite structure, and belongs to the technical field of stress analysis, and the method comprises the following steps: S1, building a finite element parameterized model of a steel-concrete composite bridge; s2, constructing a slippage effect model of a steel-concrete interface based on the constitutive relationship of the steel-concrete composite bridge; s3, applying a moving load working condition, and dividing a load position of the steel-concrete composite bridge through a dynamic grid; s4, solving and correcting the structural stress of the steel-concrete composite bridge; s5, key section stress distribution of the steel-concrete composite bridge is output so as to identify the maximum tension and compression stress area; the method has the beneficial effects that the dynamic change of the load action can be accurately reflected in the model so as to reflect the stress state of the bridge under the actual traffic load; and an accurate structural stress solution is gradually approximated, and a reliable stress analysis result is obtained by comprehensively considering material characteristics, structural geometrical shapes and load distribution factors.

The invention discloses a control method for reducing slippage of a tension roller, and the control method comprises the steps: firstly constructing a digital twin initial control model, and then carrying out the continuous iterative optimization of the constructed digital twin initial control model through the real-time operation data of unit operation parameters, thereby improving the accuracy of the model. The stress condition between the tension roller and the strip steel can be analyzed in real time through the digital twinning final control model obtained through continuous iterative optimization, and the running state of the current unit can be judged more accurately. When the tension roller slips, the final control model can recalculate the load distribution ratio according to the current operation data of the unit and automatically send the calculation result to the unit, so that the operation stability of the unit is improved, and the surface scratch of strip steel caused by the slipping of the tension roller is reduced; and when the final control model cannot find proper control parameters to ensure that the unit stably operates according to the set operation speed and tension, an early warning is given out, so that a crew can conveniently process in time.

The invention belongs to the field of bridge main body structure monitoring, and particularly discloses a bridge main body structure health monitoring and abnormity identification method, which comprises the following steps: arranging a vibration sensor array in a bridge span structure load distribution area to carry out vibration data acquisition, and carrying out wind-induced component correction on a vibration signal in combination with real-time wind speed data; accurate acquisition of vibration data required by bridge structure health monitoring is realized, and at the same time, when bridge structure abnormity identification is carried out based on a vibration signal after wind-induced vibration correction, a vibration energy propagation path map is constructed by carrying out phase and amplitude conjoint analysis on vibration wave data. On the basis, anomaly recognition is performed in combination with the frequency concentration degree and the amplitude mutation degree of the nodes, and on one hand, non-structural vibration interference is effectively eliminated through propagation path modeling; and on the other hand, the energy state change of the node in the propagation path is utilized to realize accurate identification of the energy abnormal propagation position, and the accuracy of damage positioning is improved.

The invention discloses an eccentric quasi-static loading device for the structural rigidity of an existing brick masonry and a testing method, and relates to the technical field of quasi-static loading testing of the brick masonry, the eccentric quasi-static loading device comprises a loading pedestal, a loading assembly is arranged above the loading pedestal, a load distribution assembly is arranged above the loading assembly, and the loading assembly is connected with the loading pedestal. The reaction walls are arranged at the two ends of the load distribution assembly and the two ends of the loading assembly, the loading assembly is connected with the reaction wall on one side, the portal is arranged between the reaction walls on the two sides, and the portal is connected with the load distribution assembly. By the adoption of the existing brick masonry structure rigidity eccentric pseudo-static loading device and the testing method, the authenticity of the load condition in the simulated wall pseudo-static test process in the test is guaranteed, the vertical load loading position is adjusted and refined, the load applying mode is optimized, the loading device is adjusted, and the test efficiency is improved. The influence of a vertical load on a horizontal dynamic load is reduced, and the overall precision of the test is improved.

The invention discloses an after-rolling stable position reduction type online cooling device and a control method thereof, and relates to the technical field of hot rolling cooling, the after-rolling stable position reduction type online cooling device comprises N unit type cooling mechanisms arranged in the moving direction of a cooling roller way, and each unit comprises a lifting assembly, a cooling assembly, a supporting assembly, a driving assembly and a control system. The lifting assembly drives the grating type movable framework to vertically ascend and descend through a spiral elevator, the upper collecting pipe is driven to adjust the distance between the upper collecting pipe and a hot-rolled product, the supporting assemblies are symmetrically distributed through supporting beams with I-shaped sections, and the height of the overall structure is reduced. The control method is based on unitized layout, the upper headers of a single unit are configured into 5-8 groups, the height, the flow and the cooling mode are independently regulated and controlled by the control system, and different process requirements are dynamically and accurately met. Through structure simplification, load distribution optimization and modular control, the problems that a traditional device is poor in stability, low in regulation and control precision and high in maintenance cost are solved, the cooling effect is remarkably improved, and the process adaptability and economical efficiency are improved.

The invention discloses a composite material compression test fixture capable of synchronously applying pressure. The composite material compression test fixture comprises a bottom frame and a clamping block, the bottom frame comprises a bottom plate capable of being installed on a test board, a back plate connected with the bottom plate and side plates on the two sides. The two pairs of clamping blocks are symmetrically arranged up and down, and each pair of clamping blocks are symmetrically arranged left and right; the upper clamping block and the lower clamping block on one side are installed on the same movable plate in a sliding mode through a first vertical guide structure, the side portion of the movable plate is installed on the back plate in a sliding mode through a transverse guide structure, and a clamping power piece is installed on the side, away from the clamping blocks, of the movable plate and faces the side plate on one side. The clamping power pieces are used for abutting against the side plates and pushing the clamping blocks on the sides to conduct clamping. The upper clamping block and the lower clamping block on the other side are installed on the same fixing plate in a sliding mode through a second vertical guide structure, and the fixing plate is installed on the other side plate. One end, close to the effective test area, of the clamping block is provided with an extension part and an arc-shaped chamfer. The clamp can effectively relieve stress concentration of the ends of the clamping blocks in an effective test area of a sample, and loads of the left clamping block and the right clamping block are evenly distributed.

The invention discloses a compressed air energy storage underground lining cavern optimization design method and system, and belongs to the technical field of compressed air energy storage. The method comprises the steps that numerical simulation is conducted according to obtained rock mass parameters and given structural design parameters of the compressed air energy storage underground lining cavern, and the burial depth range of the compressed air energy storage underground lining cavern is determined; according to the buried depth range of the compressed air energy storage underground lining cavern, physical and mechanical parameters of surrounding rock of the stratum where the cavern is located are determined, and the load borne by the compressed air energy storage underground lining cavern structure is calculated; according to the load borne under the compressed air energy storage underground lining cavern structure, the limit burial depth of the compressed air energy storage underground lining cavern is obtained based on a limit equilibrium analysis method; and carrying out stability analysis on the limit burial depth of the compressed air energy storage underground lining cavern. According to the method, through steel lining-concrete lining-surrounding rock collaborative bearing mechanism analysis, inter-structure load distribution is quantified, the conservative property of traditional burial depth design is broken through, and stability optimization of the cavern is achieved.

The invention relates to a foundation pit deformation control method and system based on dynamic load compensation, and belongs to the technical field of foundation pit supporting and computers. The foundation pit deformation control method based on dynamic load compensation comprises the steps that S1, a hydraulic supporting unit is arranged on the inner side of a foundation pit supporting pile or an underground diaphragm wall, the pressure of the hydraulic supporting unit and the displacement amount of the supporting pile or the underground diaphragm wall are monitored in real time, and the supporting force needing to be provided by the hydraulic supporting unit is calculated; s2, foundation pit soil strain data are monitored in real time, vehicle position, speed and load data are obtained, and a dynamic load distribution model is constructed; and S3, constructing a foundation pit deformation prediction model by using an LSTM neural network, and predicting the influence trend of vehicle passing on foundation pit deformation so as to adjust the supporting force of the supporting structure in advance and automatically optimize the vehicle path at the same time. According to the method, deformation is actively controlled through a dynamic compensation mechanism, construction safety and stability of surrounding facilities are guaranteed, and the method is particularly suitable for sensitive areas adjacent to underground facilities or important buildings.

A modular ecological system is disclosed, comprising an ecological structure with a base section featuring a body with a first end region, a second end region, and upper and lower curved surfaces extending between the ends. Side walls converge at an apex region, creating a defined thickness and supporting lateral rods extending outwardly. The system includes a wheel and axle assembly attachable to the rods and a truss assembly with elements extending from the wheel and axle assembly to the apex, providing structural reinforcement. Flotation devices are attachable through openings in the curved surfaces to facilitate buoyancy. The system may include symmetrically arranged flotation devices, connection points, looped cables, and a load distribution nub on the upper curved surface. A method for assembling the system involves positioning and securing the wheel and axle assembly, engaging axle receiving sections, and attaching flotation devices through defined openings for stability in various environments.

The invention belongs to the technical field of gravity energy storage, and particularly relates to a high-channel-utilization-rate gravity energy storage system based on vertical circulation operation, which comprises at least one energy conversion shaft, at least one empty return shaft, a top shaft transfer section and a bottom shaft transfer section, the top hoistway transfer section is communicated with the upper part of the energy conversion hoistway or the empty return hoistway through reciprocating translational motion, and the bottom hoistway transfer section is communicated with the lower part of the energy conversion hoistway or the empty return hoistway through reciprocating translational motion; racks are arranged on the inner walls of the hoistways, gears are arranged on the elevator, and the racks and the gears are meshed to achieve movement of the elevator in the circulating hoistways. Compared with an existing steel wire rope or chain annular conveying chain scheme, the conveying load is transferred to different heights of the vertical channel well wall in a distributed mode, the bottom and top horizontal transverse moving mechanism and the vertical load are transferred to a horizontal wheel rail, the conveying capacity is higher, the service life is longer and more reliable compared with a traditional circulating conveying chain cable, and the later operation and maintenance cost is reduced.

A portable, handheld system designed for anchoring and securing ladders, pump jack scaffolding, and walkways on pitched roofs or inclined surfaces. The invention includes three platform configurations, each with a variable pitch adjustment for leveling across multiple roof angles: (1) a ladder stop platform equipped with a 360-degree stop mechanism for multi-directional ladder stabilization; (2) a pump jack platform that provides a stable base for supporting pump jack systems and scaffolding; and (3) a walkway platform configured with parallel plank attachment bars and integrated guardrails for safe foot traffic. Each platform features anchor beds for secure attachment to structural elements like roof trusses and reinforced lateral rib members for uniform load distribution, enhancing structural integrity and load-bearing capacity across the system.

According to the method for designing the reasonable arch axis of the large-span arch bridge based on the hybrid calculation algorithm and the self-adaptive load distribution, an analytic equation method, a curve fitting method and an intelligent optimization algorithm are combined, and by selecting the initial arch axis, introducing a dynamic load distribution model and applying a genetic algorithm and a particle swarm optimization algorithm, the reasonable arch axis of the large-span arch bridge is designed. Global and local optimization is carried out, and the optimal shape and load distribution of the arch axis are ensured. And finally outputting design parameters, such as a control point, a bending moment, thrust and the like. According to the method, the design precision, flexibility and safety can be effectively improved, the material utilization rate is optimized, the cost is reduced, and the method is particularly suitable for design of large-span bridges and has high practical value.

The invention provides a civil engineering construction period structure safety monitoring method and system based on image recognition, and belongs to the technical field of combination of computer vision and civil engineering safety monitoring. The method comprises the following steps: S1, collecting binocular image data of a construction site, and constructing a data set of a building material; s2, performing target detection and instance segmentation on the building material in the data set based on an improved Mask RCNN algorithm to obtain a mask and space coordinates; s3, carrying out stereo matching on the binocular image, generating a disparity map by adopting an SGM algorithm, and converting the disparity map into three-dimensional point cloud data; s4, calculating the volume of the building material based on the point cloud data, and optimizing a volume measurement result in combination with a correction coefficient k of the shooting angle theta; and S5, estimating the weight of the building material according to the material density and the corrected volume, and outputting a load distribution diagram. The method can replace traditional manual measurement, remarkably improves the construction load statistical efficiency and safety, and is suitable for real-time monitoring and early warning in a complex construction site environment.

The invention discloses an arc-shaped curved surface ribbed beam spherical roof construction optimization method based on spatial data, and relates to the technical field of building construction. According to the method, a multi-dimensional data acquisition and preprocessing system covering coordinates, loads and temperatures is constructed, a support, template and steel bar three-dimensional model is constructed based on a standardized data set, and dynamic regulation and control of template curved surface precision are realized in combination with curved surface modeling and a CPDI deviation index algorithm, so that the method is adaptive to the hyperboloid form of the cross arc ribbed beam, and the construction efficiency is improved. The load distribution uniformity of a supporting system is analyzed in real time, real-time linkage of data and a three-dimensional model is achieved by means of a digital twin platform, the construction parameter adjustment response time is effectively shortened, the formwork reworking and frame body reinforcing cost is reduced, and the node load standard deviation is greatly reduced through dynamic optimization of the vertical rod density and the inclined strut angle; in cooperation with temperature data closed-loop regulation and control, concrete inside and outside temperature difference over-limit cracking is avoided, early warning and management and control of risks in the whole construction process are achieved, and it is guaranteed that the geometric shape of the roof meets the design requirement.

The invention discloses a BIM-based constructional engineering design method, and relates to the technical field of constructional engineering design methods.In BIM software, key data for constructional engineering design is extracted through a data acquisition module, and a structural performance evaluation index XP and a cost-efficiency ratio index CX are calculated through an evaluation and optimization design module; and according to the structural performance evaluation index XP and the cost-to-efficiency ratio index CX, performing design optimization, including adjustment of the structural size, material selection and load distribution, and finally evaluating the optimization potential and effect of the design scheme, and through an iterative decision module, comprehensively considering the structural performance evaluation index XP, the cost-to-efficiency ratio index CX and the design optimization index ZP, performing design optimization on the structural performance evaluation index XP, the cost-to-efficiency ratio index CX and the design optimization index ZP. And repeated iterative optimization is carried out, a final design decision is made, and multiple beneficial effects of improving design efficiency and quality, realizing quantitative evaluation and scientific decision, promoting information circulation and cooperation and reducing project risks are achieved.

The invention relates to the technical field of large gantry cranes, in particular to a method for monitoring camber change of a gantry crane girder on line. Calculating elastic modulus dynamic attenuation; calculating dynamic load-stress distribution; performing non-linear coupling analysis on camber change; and data driving and mechanism driving are combined for correction and early warning. According to the method, a dynamic load-camber coupling analysis model is introduced, and based on an elastic modulus attenuation function and load distribution dynamic coupling algorithm, coupling effects of various factors such as load, temperature and vibration can be comprehensively considered, camber changes of the gantry crane girder can be accurately calculated, and the accuracy of the camber changes of the gantry crane girder can be improved. By combining the double advantages of a data driving method and a mechanism driving method, dynamic correction and real-time updating are realized, the defects of low monitoring precision, poor real-time performance and lack of flexibility in the prior art are overcome, and the monitoring reliability and accuracy are greatly improved.

A grill grate device is provided. The device is comprised of a base, at least one fastener for removably attaching the base to a bottom grill grate, and at least one vertical attachment post extending upward from the base. The vertical post may be fixed or telescopic and includes at least one rotation point with a locking mechanism, allowing for angular and height adjustments. The lower end of the post may include a curved or angled bottom edge to provide a cantilever effect that enhances load distribution across the base. The upper grill grate attaches to the vertical post via reciprocal attachment points enabling secure yet detachable installation. The upper grill grate is suspended above the main grate and may be rotated laterally around the attachment point for repositioning.

The invention discloses a variable cross-section group anchor horizontal bearing capacity design method considering an anchor rod exerting coefficient. The group anchor foundation horizontal bearing capacity is the sum of anchor rod group horizontal resistance and bearing platform stand column horizontal resistance. Assuming a foundation soil horizontal resistance distribution function f (x) in a horizontal influence depth range; according to the foundation soil horizontal resistance distribution function f (x), calculating the ultimate horizontal bearing capacity # imgabs0 # of the bearing platform stand column; the variable cross-section anchor rod is regarded as a socketed pile, and the ultimate horizontal bearing capacity # imgabs1 # of a variable cross-section single anchor is calculated through an m method; calculating a horizontal bearing capacity exerting coefficient zeta of the anchor rod according to the buried depth of the bearing platform; according to the method, the effect of the horizontal resistance of the anchor rod is considered, the horizontal load distribution proportion of the bearing platform stand column and the anchor rod is quantified, and the problem that a traditional design method is too conservative is solved. According to the method, redundant design can be reduced, the structure economy is optimized, the engineering cost is reduced, and the method has remarkable engineering significance on environmental protection, water and soil conservation and terrain condition adaptation.

The invention relates to the technical field of portal cranes, in particular to an intelligent safety monitoring system for a portal crane, which comprises a rigidity calculation module used for generating a real-time rigidity attenuation rate of a speed reducing mechanism from a vibration component, load distribution, burst energy and an impact counting rate through a rigidity calculation model based on a gear tooth collision theory; the crack prediction module is used for generating a prediction crack type and a crack degree grade according to the real-time rigidity of the speed reducing mechanism, the crack vibration component and a crack prediction model based on the improved CNN; and the safety management module is used for adjusting the main beam load distribution safety coefficient of the portal crane according to the predicted crack type and crack degree grade. According to the method, the real-time stiffness attenuation rate of multi-sensor fusion is calculated, the data processing amount of the improved CNN model is reduced, predictive monitoring of major faults of the speed reducing mechanism of the gantry crane is achieved, the safety of the gantry crane is remarkably improved, and the service life of the gantry crane is remarkably prolonged.

The invention discloses a modification and parameter optimization method for a pin roller in a planetary pin roller screw, which comprises the following steps: determining an optimizable modification parameter and range according to a three-section pin roller modification method; establishing a load distribution calculation model considering roller modification; the load distribution calculation model is used for calculating the relationship between the thread tooth deformation and the load distribution state; an initial value of modification parameter optimization is determined, and the load distribution of the planetary roller screw pair in the state is calculated through model iteration; according to the optimization target, updating the modification parameters and then repeatedly calculating the load distribution so as to optimize the modification parameters; and outputting the optimized modification parameters and load distribution. The non-uniform degree of distribution of the thread load of the planetary roller screw pair is reduced after the modification design of the rollers, and is further reduced after the modification parameter optimization, and the uniform distribution of the load is beneficial to improving the bearing performance such as the rated load and the shock resistance and fatigue resistance of the planetary roller screw under the same specification.

The present invention discloses an on-line cooling device with post-rolling position stabilization and configuration reduction and its control method, which relates to the technical field of hot rolling cooling. It includes N unitary cooling mechanisms arranged along the moving direction of the cooling roller table. Each unit comprises a lifting assembly, a cooling assembly, a support assembly, a driving assembly and a control system. The lifting assembly drives the grid-type moving framework to vertically lift through a screw lift, driving the upper header to adjust the distance from the hot-rolled product. The support assembly is symmetrically distributed with I-shaped cross-section support beams, reducing the overall structural height. The control method is based on unitized layout. The upper headers of a single unit are configured into 5 to 8 groups, and the height, flow rate and cooling mode are independently regulated by the control system to achieve dynamic and precise adaptation to different process requirements. The present invention solves the problems of poor stability, low regulation accuracy and high maintenance cost of traditional devices by streamlining the structure, optimizing the load distribution and modular control, significantly improving the cooling effect and enhancing the process adaptability and economy.

The invention discloses a building construction monitoring method and system based on FEA and BIM, and relates to the technical field of building construction monitoring, and the method comprises the steps: building a construction disturbance behavior model, achieving the time sequence modeling of a construction process and the generation of a dynamic excitation function, inputting the time sequence modeling and dynamic excitation function into a finite element simulation model, and obtaining the structural response index of each stage; a risk distribution diagram is generated in combination with the BIM, monitoring points are divided, an intelligent sensor network is further arranged to collect structural data, control suggestions are output through trend recognition and a feedback function and are visualized in the BIM, and dynamic closed-loop control of construction monitoring is achieved. The construction disturbance tolerance difference is combined, and the system can output feedback suggestion strength, guide the construction rhythm and load distribution adjustment, so that construction closed-loop control based on risk perception is realized, and the intelligent level and the risk pre-judgment capability of the construction monitoring system are improved.

A crash load distribution structure of a fuselage, includes a floor frame defining a fuselage floor, a skid member fastened to the lower portion of the floor frame, and a crash box coupled to the skid member and extending to the lower portion of the floor frame, and configured to selectively deform in a crash load direction when an oblique crash occurs thereto.

The invention relates to a green low-carbon foundation reconstruction technology on an old pile site and a construction method. The green low-carbon foundation reconstruction technology comprises the following steps that old piles which need to be pulled out and old piles which can be recycled are determined through pile foundation detection; in combination with the characteristics of a stratum and a pile foundation, an optimal pile foundation pulling-out technology is selected to pull out an old pile; mgO-based carbon sequestration soil is adopted for backfilling of the pull-out holes, and a large amount of CO2 is injected through a spiral breather pipe to conduct carbonization reinforcement on a backfilled body; according to the pile foundation configuration principle and the load distribution condition of the upper layer structure, the position of a new pile is determined, and the foundation reinforcing effect of a backfill body is fully exerted; site surface soil is cleaned, and new and old pile heads are cleaned; and finally, a cushion layer and a raft are constructed and poured, and foundation construction is completed. According to the construction method, old piles are reused, the number of driven new piles can be reduced, the foundation manufacturing cost is saved, the construction period is shortened, resource waste caused by pulling out the old piles is avoided, the influence on the environment is reduced, and the positive effects of absorbing industrial solid waste, storing CO2 and improving and reinforcing a soil body are achieved.

This disclosure provides a configurable pallet or load-bearing platform, such as a pallet, for supporting goods. The load-bearing platform may include one or more plastic bases having two or more protrusions connected by one or more bridge pieces. The two or more protrusions are spaced apart one or more distances. The load-bearing platform further includes a cardboard base having openings spaced apart an amount wherein the openings are configured to receive the two or more protrusions of the plastic base. A load distribution member may be included and configured to contact at least a portion of the plastic base. The load distribution member may support at least a portion of the goods and distributes at least a portion of the weight of the goods to at least a portion of the plastic base. The size of the cardboard base, as well as other components of the load-bearing platform, in certain implementations, may be customized on demand.