CN112069578B - Method and device for processing cracking bending moment data of regenerated concrete beam and storage medium - Google Patents
Method and device for processing cracking bending moment data of regenerated concrete beam and storage medium Download PDFInfo
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Abstract
The invention provides a method, a device and a storage medium for processing cracking bending moment data of a regenerated concrete beam, wherein the method comprises the following steps: introducing crushing indexes and recycled aggregate parameter information for correcting cracking bending moment, and correcting the recycled aggregate parameter information according to the crushing indexes to obtain a concrete plasticity influence coefficient; substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate so as to obtain the cracking bending moment. The invention combines the current recycled concrete specification, considers the influence of recycled aggregate classification on the cracking bending moment of the recycled concrete beam, considers the specific parameters of the cracking bending moment formula under the substitution rate of the recycled aggregate to correct, and performs distinguishing treatment according to the aggregate classification.
Description
Technical Field
The invention mainly relates to the technical field of concrete design, in particular to a method and a device for processing cracking bending moment data of a regenerated concrete beam and a storage medium.
Background
Regarding the research of the cracking bending moment of the recycled concrete beam, the prior art focuses on the research of the recycled aggregate category. And the obtained conclusion is not specific to the research on the coefficient, or the influence of the substitution rate of the recycled aggregate on the coefficient is not considered, so that the influence cannot be specifically explained in the correction treatment process, the correction treatment process cannot be adapted to the specification, the influence of the substitution rate of the recycled aggregate is not considered, and the application under different substitution rates of the recycled aggregate cannot be realized. Therefore, the applicability of the modified treatment process is not high, and the existing problems are not fundamentally solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method and a device for processing cracking bending moment data of a regenerated concrete beam and a storage medium aiming at the defects of the prior art.
The technical scheme for solving the technical problems is as follows: a method for processing cracking bending moment data of a regenerated concrete beam comprises the following steps:
introducing crushing indexes and recycled aggregate parameter information for correcting cracking bending moment, and correcting the recycled aggregate parameter information according to the crushing indexes to obtain a concrete plasticity influence coefficient;
substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate so as to obtain the cracking bending moment.
The beneficial effects of the invention are as follows: the method has the advantages that the concrete plasticity influence coefficient is obtained through correction treatment of the recycled aggregate parameter information according to the crushing index, the concrete plasticity influence coefficient is substituted into a cracking bending moment calculation formula to calculate and obtain the cracking bending moment, and the method is combined with the existing concrete standard, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the recycled aggregate parameter information comprises a recycled aggregate substitution rate and an original concrete plasticity influence coefficient basic value; the process for correcting the recycled aggregate parameter information according to the crushing index to obtain the concrete plasticity influence coefficient comprises the following steps:
calculating the coefficient of the substitution rate of the recycled aggregate according to the crushing index to obtain a correction coefficient;
correcting the basic value of the original concrete influence coefficient according to the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient;
and correcting the basic value of the concrete plasticity influence coefficient to obtain the concrete plasticity influence coefficient.
The beneficial effects of adopting the further scheme are as follows: calculating the coefficient of the substitution rate of the recycled aggregate according to the crushing index to obtain a correction coefficient; according to the correction coefficient, correcting the basic value of the original concrete influence coefficient to obtain the basic value of the concrete plasticity influence coefficient; the concrete plasticity influence coefficient is obtained by correcting the concrete plasticity influence coefficient basic value, the current recycled concrete specification is combined, the influence of recycled aggregate classification on the cracking bending moment of the recycled concrete beam is considered, and the recycled concrete beam is distinguished according to the aggregate classification, and the concrete plasticity influence coefficient basic value is combined with the current concrete specification, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Further, the process of calculating the coefficient of the recycled aggregate substitution rate according to the crushing index to obtain the correction coefficient comprises the following steps:
when the crushing index is smaller than a preset threshold, calculating the coefficient of the substitution rate of the recycled aggregate according to a first formula and the crushing index to obtain a correction coefficient, wherein the first formula is as follows:
wherein 0<r is less than or equal to 1,
wherein r is the substitution rate of the recycled aggregate, y is a correction coefficient, and e is an exponent;
when the crushing index is greater than or equal to a preset threshold, calculating a coefficient of the recycled aggregate substitution rate according to a second formula and the crushing index to obtain a correction coefficient, wherein the second formula is as follows:
wherein 0<r is less than or equal to 1,
wherein r is the substitution rate of the recycled aggregate, y is a correction coefficient, and e is an exponent power.
The beneficial effects of adopting the further scheme are as follows: when the crushing index is smaller than the preset threshold, the coefficient of the substitution rate of the recycled aggregate is calculated according to the first formula and the crushing index to obtain a correction coefficient, when the crushing index is larger than or equal to the preset threshold, the coefficient of the substitution rate of the recycled aggregate is calculated according to the second formula and the crushing index to obtain the correction coefficient, the current recycled concrete specification is combined, the influence of the recycled aggregate classification on the cracking bending moment of the recycled concrete beam is considered, the specific parameters of the cracking bending moment formula under the substitution rate of the recycled aggregate are considered for correction, and the specific parameters are distinguished according to the aggregate classification, and the correction coefficient is combined with the current concrete specification, so that the engineering practicability and the precision of the cracking bending moment of the current recycled concrete beam are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Further, the process of correcting the basic value of the original concrete influence coefficient according to the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient comprises the following steps:
correcting the basic value of the original concrete influence coefficient according to a third formula and the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient, wherein the third formula is as follows:
wherein y is a correction coefficient, gamma m Is the basic value of the plastic influence coefficient of the original concrete,is the basic value of the plastic influence coefficient of the concrete.
The beneficial effects of adopting the further scheme are as follows: the concrete plasticity influence coefficient basic value is obtained by correcting the original concrete influence coefficient basic value according to the third formula and the correction coefficient, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Further, the process for correcting the basic value of the concrete plasticity influence coefficient to obtain the concrete plasticity influence coefficient comprises the following steps:
correcting the basic value of the concrete plasticity influence coefficient according to a fourth formula to obtain the concrete plasticity influence coefficient, wherein the fourth formula is as follows:
wherein h is the height of the cross section, gamma R Is the plastic influence coefficient of the concrete,is the basic value of the plastic influence coefficient of the concrete.
The beneficial effects of adopting the further scheme are as follows: and according to the fourth formula, the concrete plasticity influence coefficient is obtained by correcting the concrete plasticity influence coefficient basic value, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Further, the process of substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate and obtaining the cracking bending moment comprises the following steps:
substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula according to a fifth formula to calculate so as to obtain a cracking bending moment, wherein the fifth formula is as follows:
wherein, gamma R Is the plastic influence coefficient of concrete, W 0 Elastic moment resistance of tension edge of converted section of component, f tk Is the tensile strength of the axis of the concrete,is a cracking bending moment.
The beneficial effects of adopting the further scheme are as follows: according to the fifth formula, the concrete plasticity influence coefficient is substituted into the cracking bending moment calculation formula to calculate the cracking bending moment, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem existing in the cracking bending moment of the current regenerated concrete beam is fundamentally solved.
The other technical scheme for solving the technical problems is as follows: a recycled concrete beam cracking bending moment data processing device, comprising:
the correction processing module is used for introducing crushing indexes and regenerated aggregate parameter information for correcting the cracking bending moment, and correcting the regenerated aggregate parameter information according to the crushing indexes to obtain a concrete plasticity influence coefficient;
and the cracking bending moment obtaining module is used for substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate so as to obtain the cracking bending moment.
Further, the recycled aggregate parameter information comprises a recycled aggregate substitution rate and an original concrete plasticity influence coefficient basic value; the correction processing module is specifically configured to:
calculating the coefficient of the substitution rate of the recycled aggregate according to the crushing index to obtain a correction coefficient;
correcting the basic value of the original concrete influence coefficient according to the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient;
and correcting the basic value of the concrete plasticity influence coefficient to obtain the concrete plasticity influence coefficient.
The other technical scheme for solving the technical problems is as follows: the device for processing the cracking bending moment data of the regenerated concrete beam comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the method for processing the cracking bending moment data of the regenerated concrete beam is realized when the processor executes the computer program.
The other technical scheme for solving the technical problems is as follows: a computer readable storage medium storing a computer program which, when executed by a processor, implements the method for processing regenerative concrete beam cracking bending moment data as described above.
Drawings
Fig. 1 is a flow chart of a method for processing cracking bending moment data of a regenerated concrete beam according to an embodiment of the present invention;
fig. 2 is a block diagram of a device for processing cracking bending moment data of a regenerated concrete beam according to an embodiment of the invention.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Fig. 1 is a flow chart of a method for processing cracking bending moment data of a regenerated concrete beam according to an embodiment of the present invention.
As shown in FIG. 1, the method for processing the cracking bending moment data of the regenerated concrete beam comprises the following steps:
introducing crushing indexes and recycled aggregate parameter information for correcting cracking bending moment, and correcting the recycled aggregate parameter information according to the crushing indexes to obtain a concrete plasticity influence coefficient;
substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate so as to obtain the cracking bending moment.
And the recycled aggregate parameter information is obtained from a concrete structure design specification file.
The process of obtaining the crush index is specifically described below:
setting a plurality of beams, and setting 9 groups of beams, wherein one group is a control group, and 18 beams (2 beams in each group) are the same in reinforcement condition; the concrete is poured in one step, and 6 cube test blocks (100 mm multiplied by 100 mm) and 6 prism test blocks (100 mm multiplied by 300 mm) are poured at the same time, so that the cube compressive strength, the axle center compressive strength, the splitting tensile strength and the elastic modulus of the concrete are tested to determine the basic mechanical properties of the recycled concrete. Table 1 is a table of isotropic elastic wave equation simulation parameters.
TABLE 1
Wherein, C is HRB400 steel bar.
The crushing index is obtained through the treatment, and meanwhile, a cracking bending moment test value can be obtained, and the cracking bending moment test value is compared with a cracking bending moment calculated value obtained in the current concrete structure design rule to obtain a relative error value (namely a test value/calculated value). And (3) finding out a fitting formula of the error value and the preset recycled aggregate substitution rate, correcting the concrete plasticity influence coefficient by using the formula, and finally bringing the corrected concrete plasticity influence coefficient back into a cracking bending moment calculation formula, namely a cracking bending moment calculation formula suitable for recycled concrete.
In the embodiment, the concrete plasticity influence coefficient is obtained by correcting the recycled aggregate parameter information according to the crushing index, and is substituted into the cracking bending moment calculation formula to calculate the cracking bending moment, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Alternatively, as one embodiment of the present invention, the recycled aggregate parameter information includes a recycled aggregate substitution rate and a raw concrete plasticity influence coefficient basic value; the process for correcting the recycled aggregate parameter information according to the crushing index to obtain the concrete plasticity influence coefficient comprises the following steps:
calculating the coefficient of the substitution rate of the recycled aggregate according to the crushing index to obtain a correction coefficient;
correcting the basic value of the original concrete influence coefficient according to the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient;
and correcting the basic value of the concrete plasticity influence coefficient to obtain the concrete plasticity influence coefficient.
In the above embodiment, the coefficient of the substitution rate of the recycled aggregate is calculated according to the crushing index to obtain the correction coefficient; according to the correction coefficient, correcting the basic value of the original concrete influence coefficient to obtain the basic value of the concrete plasticity influence coefficient; the concrete plasticity influence coefficient is obtained by correcting the concrete plasticity influence coefficient basic value, the current recycled concrete specification is combined, the influence of recycled aggregate classification on the cracking bending moment of the recycled concrete beam is considered, and the recycled concrete beam is distinguished according to the aggregate classification, and the concrete plasticity influence coefficient basic value is combined with the current concrete specification, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Optionally, as an embodiment of the present invention, the process of calculating the coefficient of the recycled aggregate substitution rate according to the crushing index, and obtaining the correction coefficient includes:
when the crushing index is smaller than a preset threshold, calculating the coefficient of the substitution rate of the recycled aggregate according to a first formula and the crushing index to obtain a correction coefficient, wherein the first formula is as follows:
wherein 0<r is less than or equal to 1,
wherein r is the substitution rate of the recycled aggregate, y is a correction coefficient, and e is an exponent;
when the crushing index is greater than or equal to a preset threshold, calculating a coefficient of the recycled aggregate substitution rate according to a second formula and the crushing index to obtain a correction coefficient, wherein the second formula is as follows:
wherein 0<r is less than or equal to 1,
wherein r is the substitution rate of the recycled aggregate, y is a correction coefficient, and e is an exponent power.
Preferably, the preset threshold may be 15.
It will be appreciated that the formula used is determined from the crush index and the corresponding correction formula is determined.
In the above embodiment, when the crush index is smaller than the preset threshold, the coefficient of the replacement rate of the recycled aggregate is calculated according to the first formula and the crush index to obtain the correction coefficient, when the crush index is larger than or equal to the preset threshold, the coefficient of the replacement rate of the recycled aggregate is calculated according to the second formula and the crush index to obtain the correction coefficient, the current recycled concrete specification is combined, the influence of the recycled aggregate classification on the cracking bending moment of the recycled concrete beam is considered, the specific parameters of the cracking bending moment formula under the replacement rate of the recycled aggregate are considered for correction, and the differential processing is performed according to the aggregate classification, and in combination with the current concrete specification, the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Optionally, as an embodiment of the present invention, the process of correcting the original concrete influence coefficient basic value according to the correction coefficient to obtain the concrete plasticity influence coefficient basic value includes:
correcting the basic value of the original concrete influence coefficient according to a third formula and the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient, wherein the third formula is as follows:
wherein y is a correction coefficient, gamma m Is the basic value of the plastic influence coefficient of the original concrete,is the basic value of the plastic influence coefficient of the concrete.
It will be appreciated that the correction factors are brought into a correction formula to correct the original concrete plasticity influence coefficient base values.
In the embodiment, the concrete plasticity influence coefficient basic value is obtained by correcting the original concrete influence coefficient basic value according to the third formula and the correction coefficient, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Optionally, as an embodiment of the present invention, the process of correcting the basic value of the concrete plastic influence coefficient to obtain the concrete plastic influence coefficient includes:
correcting the basic value of the concrete plasticity influence coefficient according to a fourth formula to obtain the concrete plasticity influence coefficient, wherein the fourth formula is as follows:
wherein h is the height of the cross section, gamma R Is the plastic influence coefficient of the concrete,is the basic value of the plastic influence coefficient of the concrete.
In the above embodiment, the concrete plasticity influence coefficient is obtained by correcting the concrete plasticity influence coefficient basic value according to the fourth formula, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Optionally, as an embodiment of the present invention, the process of substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate the cracking bending moment includes:
substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula according to a fifth formula to calculate so as to obtain a cracking bending moment, wherein the fifth formula is as follows:
wherein, gamma R Is the plastic influence coefficient of concrete, W 0 Elastic moment resistance of tension edge of converted section of component, f tk Is the tensile strength of the axis of the concrete,is a cracking bending moment.
It should be understood that the concrete plasticity influence coefficient basic value is brought back into the cracking bending moment calculation formula to obtain a corrected cracking bending moment value.
In the embodiment, the concrete plasticity influence coefficient is substituted into the cracking bending moment calculation formula according to the fifth formula to calculate the cracking bending moment, so that the engineering practicability and the precision of the cracking bending moment are improved, and the problem of the cracking bending moment of the current recycled concrete beam is fundamentally solved.
Fig. 2 is a block diagram of a device for processing cracking bending moment data of a regenerated concrete beam according to an embodiment of the invention.
Alternatively, as another embodiment of the present invention, as shown in fig. 2, a recycled concrete beam cracking bending moment data processing apparatus includes:
the correction processing module is used for introducing crushing indexes and regenerated aggregate parameter information for correcting the cracking bending moment, and correcting the regenerated aggregate parameter information according to the crushing indexes to obtain a concrete plasticity influence coefficient;
and the cracking bending moment obtaining module is used for substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate so as to obtain the cracking bending moment.
Alternatively, as one embodiment of the present invention, the recycled aggregate parameter information includes a recycled aggregate substitution rate and a raw concrete plasticity influence coefficient basic value; the correction processing module is specifically configured to:
calculating the coefficient of the substitution rate of the recycled aggregate according to the crushing index to obtain a correction coefficient;
correcting the basic value of the original concrete influence coefficient according to the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient;
and correcting the basic value of the concrete plasticity influence coefficient to obtain the concrete plasticity influence coefficient.
Alternatively, another embodiment of the present invention provides a device for processing cracking bending moment data of a recycled concrete beam, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the computer program is executed by the processor to implement the method for processing the cracking bending moment data of the recycled concrete beam as described above. The device may be a computer or the like.
Alternatively, another embodiment of the present invention provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the method for processing the cracking bending moment data of the regenerated concrete beam as described above.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the apparatus and units described above may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of elements is merely a logical functional division, and there may be additional divisions of actual implementation, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment of the present invention.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. For such understanding, the technical solution of the present invention is essentially or part of what contributes to the prior art, or all or part of the technical solution may be embodied in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method of the various embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The present invention is not limited to the above embodiments, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and these modifications and substitutions are intended to be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (7)
1. The method for processing the cracking bending moment data of the regenerated concrete beam is characterized by comprising the following steps of:
introducing crushing indexes and recycled aggregate parameter information for correcting cracking bending moment, and correcting the recycled aggregate parameter information according to the crushing indexes to obtain a concrete plasticity influence coefficient;
substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate so as to obtain a cracking bending moment;
the recycled aggregate parameter information comprises a recycled aggregate substitution rate and an original concrete plasticity influence coefficient basic value; the process for correcting the recycled aggregate parameter information according to the crushing index to obtain the concrete plasticity influence coefficient comprises the following steps:
calculating the coefficient of the substitution rate of the recycled aggregate according to the crushing index to obtain a correction coefficient;
correcting the basic value of the original concrete influence coefficient according to the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient;
correcting the basic value of the concrete plasticity influence coefficient to obtain the concrete plasticity influence coefficient;
the process for calculating the coefficient of the substitution rate of the recycled aggregate according to the crushing index to obtain the correction coefficient comprises the following steps:
when the crushing index is smaller than 15, calculating the coefficient of the substitution rate of the recycled aggregate according to a first formula and the crushing index to obtain a correction coefficient, wherein the first formula is as follows:
wherein 0<r is less than or equal to 1,
wherein r is the substitution rate of the recycled aggregate, y is a correction coefficient, and e is an exponent;
when the crushing index is greater than or equal to 15, calculating the coefficient of the substitution rate of the recycled aggregate according to a second formula and the crushing index to obtain a correction coefficient, wherein the second formula is as follows:
wherein 0<r is less than or equal to 1,
wherein r is the substitution rate of the recycled aggregate, y is a correction coefficient, and e is an exponent power.
2. The method for processing the cracking bending moment data of the recycled concrete beam according to claim 1, wherein the process of correcting the basic value of the original concrete influence coefficient according to the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient comprises the following steps:
correcting the basic value of the original concrete influence coefficient according to a third formula and the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient, wherein the third formula is as follows:
wherein y is a correction systemNumber, gamma m Is the basic value of the plastic influence coefficient of the original concrete,is the basic value of the plastic influence coefficient of the concrete.
3. The method for processing the cracking bending moment data of the recycled concrete beam according to claim 2, wherein the process of correcting the basic value of the concrete plasticity influence coefficient to obtain the concrete plasticity influence coefficient comprises the following steps:
correcting the basic value of the concrete plasticity influence coefficient according to a fourth formula to obtain the concrete plasticity influence coefficient, wherein the fourth formula is as follows:
wherein h is the height of the cross section, gamma R Is the plastic influence coefficient of the concrete,is the basic value of the plastic influence coefficient of the concrete.
4. A method for processing cracking bending moment data of a recycled concrete beam according to any one of claims 1 to 3, wherein the process of substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate the cracking bending moment comprises the following steps:
substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula according to a fifth formula to calculate so as to obtain a cracking bending moment, wherein the fifth formula is as follows:
wherein, gamma R Is the plastic influence coefficient of concrete, W 0 Conversion of cross-section for componentElastic moment resistance of the tensioned edges, f tk Is the tensile strength of the axis of the concrete,is a cracking bending moment.
5. The utility model provides a recycled concrete roof beam fracture moment of bending data processing apparatus which characterized in that includes:
the correction processing module is used for introducing crushing indexes and regenerated aggregate parameter information for correcting the cracking bending moment, and correcting the regenerated aggregate parameter information according to the crushing indexes to obtain a concrete plasticity influence coefficient;
the cracking bending moment obtaining module is used for substituting the concrete plasticity influence coefficient into a cracking bending moment calculation formula to calculate so as to obtain a cracking bending moment;
the recycled aggregate parameter information comprises a recycled aggregate substitution rate and an original concrete plasticity influence coefficient basic value; the correction processing module is specifically configured to:
calculating the coefficient of the substitution rate of the recycled aggregate according to the crushing index to obtain a correction coefficient;
correcting the basic value of the original concrete influence coefficient according to the correction coefficient to obtain the basic value of the concrete plasticity influence coefficient;
correcting the basic value of the concrete plasticity influence coefficient to obtain the concrete plasticity influence coefficient;
in the correction processing module, the process of calculating the coefficient of the recycled aggregate substitution rate according to the crushing index to obtain the correction coefficient comprises the following steps:
when the crushing index is smaller than 15, calculating the coefficient of the substitution rate of the recycled aggregate according to a first formula and the crushing index to obtain a correction coefficient, wherein the first formula is as follows:
wherein 0<r is less than or equal to 1,
wherein r is the substitution rate of the recycled aggregate, y is a correction coefficient, and e is an exponent;
when the crushing index is greater than or equal to 15, calculating the coefficient of the substitution rate of the recycled aggregate according to a second formula and the crushing index to obtain a correction coefficient, wherein the second formula is as follows:
wherein 0<r is less than or equal to 1,
wherein r is the substitution rate of the recycled aggregate, y is a correction coefficient, and e is an exponent power.
6. A recycled concrete beam cracking bending moment data processing apparatus comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the computer program when executed by the processor implements the recycled concrete beam cracking bending moment data processing method of any one of claims 1 to 3.
7. A computer-readable storage medium storing a computer program, wherein the computer program, when executed by a processor, implements the method for processing the cracking bending moment data of the regenerated concrete beam according to any one of claims 1 to 3.
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