6 results about "Mixture designs" patented technology

This invention relates to the field of scale inhibitor formulation optimization technology, and to a method and system for optimizing circulating water scale inhibitor formulations based on mixing design. The method includes: confirming the formulation optimization environment based on scale inhibitor formulation optimization instructions; performing simplex centroid design based on the effective raw material component set and initial constraint boundary set; mixing and preparing multiple sets of basic mixing formulations to obtain multiple sets of test samples; measuring the multiple sets of test samples separately using a scale inhibition performance testing unit; conducting water circulation experiments based on the theoretically optimal formulation; calculating the actual dynamic scale inhibition rate and actual dynamic corrosion inhibition rate based on dynamic scaling amount and coupon weight loss; and comparing the actual comprehensive performance index with the maximum performance index. This invention can improve the efficiency, comprehensive performance, and verification reliability of circulating water scale inhibitor formulation optimization.

The invention relates to a steel bridge deck pavement sensing analysis system and method based on multi-dimensional data. The method comprises the following steps: testing raw materials to obtain construction retention time and interface parameters so as to guide mixture design, preparing a test piece according to the construction retention time and the interface parameters, and measuring a dynamic modulus main curve, a fatigue damage model and limit strain; establishing a reduced-scale test piece finite element model based on the main curve to predict bending-tensile strain, and performing a fatigue test in combination with limit strain to obtain reduced-scale life; obtaining a key stress range of the steel plate through full-scale model finite element analysis, and formulating an acceleration loading scheme according to the key stress range; loading is executed, multi-source monitoring data are collected, and the full-scale final fatigue life is determined; calibrating a fatigue damage model according to the service life; and finally evaluating the performance of the paving system based on the calibration model, the main curve and the full-scale life. According to the closed-loop verification process from the material to the full scale, the prediction model is iteratively calibrated through multi-scale test data, and the accuracy and reliability of long-term performance evaluation of the steel bridge deck pavement system are remarkably improved.

The application provides a full-component multi-source solid waste asphalt mixture design method and system, relates to the technical field of data processing, and comprises the following steps: preprocessing test proportioning data of obtained solid waste asphalt mixture to generate a mixture data set; filtering the mixture data set by using a preset constraint condition to obtain a plurality of candidate proportioning points meeting performance index characteristics; the performance index characteristics include gradation structure characteristics related to particle size, bonding system characteristics related to high-temperature fluidity and water sensitivity, molding volume and construction characteristics related to void ratio and saturation, and context embedding characteristics related to a service scene; inputting the performance index characteristics after splicing into a trained gate expert network to obtain corresponding performance prediction mean and performance fluctuation mean; performing reliability analysis on the candidate proportioning points based on the performance prediction mean and the performance fluctuation mean, and determining a candidate proportioning point with a reliability greater than a preset threshold as a target proportioning point.

The invention relates to the technical field of scale inhibitor formula optimization, in particular to a circulating water scale inhibitor formula optimization method and system based on material mixing design, and the method comprises the steps: confirming a formula optimization environment based on a scale inhibitor formula optimization instruction, and carrying out simplex gravity center design based on an effective raw material component set and an initial constraint boundary set; the method comprises the following steps: carrying out mixing preparation based on a plurality of groups of basic mixing formulas to obtain a plurality of groups of to-be-tested samples, respectively measuring the plurality of groups of to-be-tested samples based on a scale inhibition performance test unit, carrying out a water circulation experiment based on a theoretical optimal formula, and calculating an actual dynamic scale inhibition rate and an actual dynamic corrosion inhibition rate based on a dynamic scaling amount and a coupon weight loss value. And comparing the actual comprehensive performance index with the maximum performance index. According to the method, the formula optimization efficiency, the comprehensive performance and the verification reliability of the circulating water scale inhibitor can be improved.

The invention relates to the technical field of recycled asphalt mixture design, and discloses a recycled asphalt mixture design method and device, computer equipment and a storage medium, and the method comprises the following steps: constructing a grading modulus data set; determining a grading optimization domain; constructing a collaborative optimization mechanism; the design model is based on a target modulus, a collaborative optimization mechanism is combined, individuals of an adaptive target are iteratively screened in a grading optimization domain according to a gradient strategy of first modulus primary screening and then cost-working condition double-constraint fine screening, and an optimal grading result with the target modulus reaching the standard, the cost being controllable and the working condition being adaptive is output. The device, the computer equipment and the storage medium all correspond to the method. According to the method, the optimization precision of the high-aging RAP and the grading fluctuation aggregate is improved through the collaborative optimization mechanism of the grading modulus data set and the adaptive reclaimed material characteristics, and the gradient screening strategy is combined, so that it is guaranteed that the target modulus reaches the standard, cost controllability and working condition adaptation are considered, the trial preparation cost is reduced, and the reclaimed material utilization rate and the engineering practicability of the design scheme are improved.

The invention discloses an asphalt mixture mix proportion design method based on a response surface method, and aims to solve the problems of high subjectivity, insufficient optimization and low efficiency and precision of traditional asphalt mixture mix proportion design. The method comprises the following steps: determining key design variables and response indexes, arranging an experimental scheme by adopting a central composite design in a response surface method, and combining a three-control-point hyperbolic theory to generate complete mineral aggregate gradation; a test piece is prepared, performance indexes are tested, a quadratic polynomial prediction model is established, an optimal design variable combination is solved through multi-objective optimization, and finally the optimal mix proportion is determined through verification. According to the method, on the basis of a mathematical statistical method, human experience interference is reduced, multi-factor interaction can be accurately quantified, the global optimal mix proportion is obtained with fewer test times, the performance potential of the material is maximized, and scientific and efficient technical support is provided for asphalt mixture design.