CN115775122A - Building material detection and acceptance method - Google Patents
Building material detection and acceptance method Download PDFInfo
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Abstract
The invention relates to the technical field of inspection and detection, in particular to a building material inspection and acceptance method, which comprises the following steps of S1, establishing a building material information base; s2, when the building materials are warehoused, the qualification of the shipment detection report of the building materials meeting the warehousing conditions is judged; s3, after the building material is put in storage, determining the inspection period of the building material according to the first inspection quality level of the building material; s4, periodically detecting and recording the internal and external environment data of the storehouse; s5, carrying out storage detection on a single building material; and S6, when the building materials are delivered out of the warehouse, predicting the optimal use time of the building materials according to the variable quantity of the relevant characteristics in the inspection information. The invention is used for overcoming the problem that the prior art can not formulate an inspection scheme suitable for the building material according to the actual quality state of the building material so as to avoid detection deficiency or detection excess caused by mismatching of the detection frequency and the quality level of the material.
Description
Technical Field
The invention relates to the technical field of inspection and detection, in particular to a building material inspection and acceptance method.
Background
In the prior art, when building materials are accepted and warehoused, relevant quality qualification and production permission certification which are specified by the state must be required from suppliers, equipment and materials adopted by a project are qualified after inspection and meet the requirements of design and corresponding current standards, wherein witness sampling and inspection are required to be carried out, a construction unit must inform supervision units of carrying out witness sampling, the inspected material inspection unit must have corresponding detection conditions and capabilities, and after the inspection is qualified by a quality technology supervision department or an authorized department thereof, the inspection work can be undertaken, and the purchased products are required to be subjected to occupational health safety and environmental management requirements in the processes of inspection, transportation, transfer, storage and the like, so that the influences on the occupational health safety and the environment are avoided.
In practical application, material inspection is an important component in quality management, and corresponding inspection items and inspection periods are generally set according to types of materials, but for the same type of materials, the adopted inspection periods are the same, and for the same type of materials with different quality levels, setting the same inspection period is not beneficial to quality monitoring of the materials with lower quality levels on one hand, and for the materials with stable quality levels, setting a fixed inspection period causes unnecessary inspection cost waste.
Chinese patent application publication No.: CN111190394A discloses a raw material monitoring and management system, comprising: the system comprises a plurality of groups of identity information carrying units, a plurality of groups of first material information carrying units, a plurality of groups of second material information carrying units, a plurality of groups of third material information carrying units, a plurality of groups of machine information carrying units, a plurality of portable electronic devices and at least one central monitoring system. Particularly, after the portable electronic device is used for reading basic information carried by the information carrying units, the central monitoring system at the rear end can ensure that the operator can carry out raw material warehousing operation, raw material ex-warehouse operation, material using operation or recycling operation according to standard operation programs after confirming the authority of the operator, the state of the machine station and whether the data of the raw materials are correct. In this way, all the operations can be ensured to be carried out under the electronic system management, any paper book record is eliminated, and the occurrence of artificial operation abnormity in the process of executing the related operation program of the raw materials can be effectively avoided. Therefore, the raw material monitoring and managing system has the following problems:
1. in the technical scheme, only the code consistency of the raw material is confirmed, but the quality of the raw material is not confirmed, and the quality drift of the raw material cannot be monitored;
2, the object of the supervision system is the behavior of the personnel performing the operation, but not the quality state of the raw material, and the quality level of the raw material after the operation cannot be detected.
Disclosure of Invention
Therefore, the invention provides a building material detection and acceptance method, which is used for overcoming the problem that in the prior art, an inspection scheme suitable for the building material cannot be formulated according to the actual quality state of the building material so as to avoid detection deficiency or detection excess caused by mismatching of detection frequency and the quality level of the material.
In order to achieve the above object, the present invention provides a method for detecting and accepting a building material, comprising:
step S1, building material information base is established, wherein the building material information base comprises name, code, material standard, acceptance item, acceptance standard and relevant numerical data of qualified samples of building materials;
s2, when the building materials are put in storage, the material identification module identifies the information of the building materials and matches the information with codes in the building material information base, if the storage condition is met, the material identification module identifies the shipment inspection report of the building materials and transmits the shipment inspection report to the inspection information storage module, and the inspection and acceptance control module controls the data analysis module to judge the qualification of the shipment inspection report of the building materials so as to determine that the building materials can be normally stored in the storage;
s3, after the building materials are put in storage, the inspection acquisition module carries out first inspection on the single building materials, the inspection control module determines the inspection period of the building materials according to the production date and the effective date of the single building materials, the preset standard storage period and the maximum storage period corresponding to the materials and the first inspection quality level of the building materials, and the inspection information storage module stores first inspection data and the set inspection period aiming at the single building materials;
s4, the monitoring acquisition module periodically detects and records temperature and humidity environment data in the storeroom and weather information of the place where the storeroom is located to the inspection information storage module so as to provide data support for the acceptance control module to determine whether the single building material needs to be detected or not;
s5, the acceptance acquisition module performs storage detection on a single building material according to a set detection period and a set detection mode, and if the acceptance control module judges that the current detection is qualified, the storage detection record is stored to the detection information storage module; if the building material is judged to be unqualified, the acceptance control module judges that the inspection quantity/item is increased, and the material is detected again to determine whether the building material is qualified or not;
and S6, when the building materials are delivered from the warehouse, the acceptance control module calls the inspection information of the building materials and judges whether the materials can be normally used according to the inspection information, if the materials can be normally used, the acceptance control module predicts the optimal use time of the building materials according to the variable quantity of the relevant characteristics in the inspection information and controls the marking module to mark the building materials as qualified and optimal use time.
Further, in the step S3, the acceptance collecting module performs a first inspection on the single building material, wherein the items of the first inspection include a visual inspection, a weight inspection, a size inspection, a key index item inspection and a validity date inspection.
Further, in the step S2, the acceptance control module controls the data analysis module to analyze whether the detection value of a single detection item in the shipment inspection report of the building material meeting the warehousing condition exceeds the acceptance criterion and calculates the number D of the detection items exceeding the acceptance criterion, the acceptance control module determines whether the building material can be normally warehoused according to D, the acceptance control module is provided with a warehousing acceptance over-range item standard D0, wherein D0 is more than or equal to 0,
when D is less than or equal to D0, the acceptance control module judges that the building material is qualified and can be normally warehoused, and the acceptance control module judges that the step S3 is executed on the building material;
and when D is larger than D0, the acceptance control module judges that the building material is unqualified, and controls the marking module to make a self-inspection unqualified mark on the building material and records the number corresponding to the building material into a warehouse-returning file.
Further, in the step S3, the method includes:
step S31, the acceptance acquisition module carries out first inspection on the single building material to determine the quality level of the single building material;
step S32, the acceptance control module preliminarily determines the inspection period of the building material according to the production date and the effective date of the single building material, the corresponding preset standard storage period of the material and the maximum storage period;
and S33, adjusting the preliminarily determined inspection period of the building material according to the quality level of the single building material by the inspection control module to determine the detection period of the building material.
Further, in the step S31, the acceptance control module controls the acceptance collection module to determine the quality level of the single building material according to the percentage of the number of inspection items meeting the quality levels of the category a, the category B and the category C contained in the inspection items of the first inspection of the single building material to the total number of all the inspection items of the first inspection, the acceptance control module is provided with a quality level determination rule for comparing the result measured in the single inspection item with the acceptance criterion and determining the quality level of the single inspection item according to the position of the single inspection item in the acceptance criterion qualified range, the acceptance control module is provided with a minimum quality criterion C1 and an optimum quality criterion A1, wherein, C1 is greater than or equal to 0 and less than or equal to 30%, A1 is greater than or equal to 0 and less than or equal to 50%,
when all the first-time inspection of a certain building material i is finished, recording the percentage of inspection items meeting the A-type quality level to the total number of all the first-time inspection items as ai, recording the percentage of inspection items meeting the B-type quality level to the total number of all the first-time inspection items as bi, and recording the percentage of inspection items meeting the C-type quality level to the total number of all the first-time inspection items as ci,
when ci is more than C1, the acceptance control module judges that the quality level of the building material i does not meet the minimum acceptance standard and controls the marking module to mark the building material i for first-check non-acceptance so as to leave the building material;
when ci is less than or equal to C1, the acceptance control module judges that the quality level of the building material i meets the minimum acceptance standard and determines the quality level according to ai;
when ai is larger than or equal to A1, the acceptance control module judges that the quality level of the building material i meets the optimal quality standard and records the quality level of the building material i as a first-grade quality level;
and when ai is less than A1, the acceptance control module judges that the quality level of the building material i does not accord with the best quality standard, and records the quality level of the building material i as a secondary quality level.
Further, in the step S31, the quality level determination rule is: the acceptance control module is provided with an acceptance standard range Saij aiming at the single inspection item ij of the building material id, the acceptance standard range Sbeijh and the standard-exceeding acceptance standard range Scij, wherein the Saij belongs to S0ij, the Sbeij belongs to S0ij, and Saij + Sbeij = S0ij,
and Scij and S0ij have no intersection, and the acceptance is performedThe control module records the determination of the individual checking item ij of the building material id as sij,
if sij belongs to Saij, the acceptance control module judges that the single inspection item ij of the building material i meets the strict acceptance standard and records the quality level of the single inspection item ij of the building material i as the A-type quality level;
if sij belongs to Sbij, the acceptance control module judges that the quality level of the single inspection item ij of the building material i meets the qualified acceptance standard and records the quality level of the single inspection item ij of the building material i as a B-type quality level;
and if sij belongs to Scij, the acceptance control module judges that the quality level of the single inspection item ij of the building material i meets the qualified acceptance standard and records the quality level of the single inspection item ij of the building material i as the C-type quality level.
Further, in the step S32, the data analysis module calculates total days mz of the effective date of the single building material i, days md of the current date from the effective date of the building material i and a standard storage period M0 of the building material i, wherein M0 is greater than 0 and less than or equal to 360day, the acceptance control module compares md with M0 to determine an interim inspection adjustment coefficient of the building material i and preliminarily determines the inspection period of the building material i according to the percentage p of md to mz,
when md is larger than or equal to kM0, the acceptance control module judges that the building material i does not lose efficacy in the storage period, the acceptance control module sets theta to be theta =1, and preliminarily determines the inspection period of the building material i according to theta and p;
and when md is less than kM0, the acceptance control module judges that the building material i is about to fail in the storage period, the acceptance control module sets theta to be theta = md/kM0 and preliminarily determines the inspection period of the building material i according to theta and p, wherein k is a failure adjustment coefficient, and k is more than 1.
Further, in the step S32, the acceptance control module determines a corresponding building material i inspection period calculation manner according to P and corrects the calculated inspection period by using θ to preliminarily determine the inspection period of the building material i, and the acceptance control module is provided with a first validity period percentage standard P1, a second validity period percentage standard P2, a first validity period calculation coefficient β 1, a second validity period calculation coefficient β 2, and a third validity period calculation coefficient β 3, wherein P1 is more than 10% < 35% < P2 < 70%, β 1 is more than 0.6 < 1 < β 2 < β 3 < 1.5, and P = md/mz is set,
when P is less than P1, the acceptance control module judges that the validity period is short and calculates the inspection period of the building material i by adopting a first validity period calculation coefficient beta 1;
when P1 is not more than P and is less than P2, the acceptance control module judges that the validity period is normal and calculates the inspection period of the building material i by adopting a second validity period calculation coefficient beta 2;
when P is larger than or equal to P2, the acceptance control module judges that the validity period is long and calculates the inspection period of the building material i by adopting a third validity period calculation coefficient beta 3;
when the acceptance control module judges that the gamma valid period calculation coefficient beta gamma is adopted to calculate the inspection period of the building material i, wherein gamma =1,2,3, the calculation formula of the preliminary inspection period T1i of the building material i is set as follows: t1i = T0 × β γ/θ, where T0 is a preset base verification period.
Further, in the step S33, the acceptance control module adjusts the preliminarily determined inspection period of the building material according to the quality level of the single building material to determine the inspection period of the building material, and the acceptance control module is provided with a primary quality level adjustment coefficient μ 1 and a secondary quality level adjustment coefficient μ 2, where μ 1 > μ 2 > 0,
when the quality level of the building material i is a first-grade quality level, the acceptance control module judges that the detection period of the building material i is adjusted by adopting a first-grade quality level adjustment coefficient mu 1;
when the quality level of the building material i is a secondary quality level, the acceptance control module judges that the detection period of the building material i is adjusted by adopting a secondary quality level adjustment coefficient mu 2;
when the acceptance control module judges that the detection period of the building material i is adjusted by adopting the f-level quality level adjustment coefficient muf, a calculation formula for setting the detection period T2i of the building material i is as follows: t2i = T1i × μ f, where f =1,2.
Further, in step S4, the monitoring and collecting module periodically detects and records the data of the internal and external environments of the warehouse, the acceptance control module determines whether to initiate the quality detection of the environment exceeding the storage environment standard of the building material according to whether the detected data of the internal and external environments of the warehouse exceed the storage environment standard of the building material, when the acceptance control module determines that the data of the environment exceeding the standard exists, the acceptance control module controls the acceptance collecting module to store and detect the building material to determine whether the building material is qualified, and the data of the internal and external environments of the warehouse include the data of the temperature and humidity environment in the warehouse for storing the building material and the data of the weather information of the location of the warehouse.
Further, in the step S6, the acceptance control module retrieves inspection information of a certain building material n that can be normally used and calculates an optimal usage time of the building material according to a data variation of a single inspection item in the inspection information, the acceptance control module records an inventory time of the building material n as g, a maximum variation of inspection data of the single inspection item of the building material n in the inventory time as li, a variation percentage of the inspection data of the single inspection item of the building material n in the inventory time as qi, and sets qi = li/L0, the acceptance control module is provided with a quality variation percentage standard Q, where 0 < Q < 50%, and L0 is an allowable data variation of the single inspection item of the building material n,
when qi is less than or equal to Q, the acceptance control module judges that the quality of the building material n is stable, and sets the effective use time of the building material n as the optimal use time;
when qi is larger than Q, the acceptance control module judges that the quality of the building material n is unstable, and sets a calculation formula of the optimal service time Tj of the building material n as follows:
tj = ta × qi × δ/g, where ta is the effective usage time of the building material n, δ is the optimal usage adjustment factor, 0.5 < δ < 0.9.
Compared with the prior art, the method has the advantages that after the building materials are put in storage, the single building materials are firstly inspected, the inspection period of the building materials is determined by the inspection and acceptance control module according to the production date and the effective date of the single building materials, the storage period of the preset standard corresponding to the building materials, the maximum storage period and the first inspection quality level of the building materials, the building materials are matched with the corresponding inspection period according to the specific first detection data of the building materials for storage and detection, the actual quality level of the building materials is judged to be the detection period suitable for the matching of the building materials, the condition that the materials are invalid and cannot be used due to overlong detection period but the material stock is insufficient due to the fact that the quality invalid state of the materials cannot be known in time is avoided, the inspection and acceptance method can effectively ensure that the inspection and acceptance period suitable for the building materials can be formulated according to the actual quality state of the building materials, and the method can guarantee that the quality state of the building materials can be better through setting the corresponding detection period.
Furthermore, the invention analyzes whether the detection value of a single detection item in the shipment inspection report of the building materials meeting the warehousing condition exceeds the acceptance standard or not and calculates the number d of the detection items exceeding the acceptance standard, determines whether the building materials can be warehoused normally or not according to d, effectively filters unqualified building materials by analyzing the shipment report, avoids the rise of detection cost caused by the first inspection of all the incoming building materials, and further ensures that the method can better know the quality state of the building materials.
Furthermore, the quality level of the single building material is determined according to the percentage of the number of the inspection items which are contained in the inspection items of the first inspection of the single building material and meet the quality levels of the A type, the B type and the C type in the total number of all the inspection items of the first inspection, the quality level of the building material is effectively evaluated by using the inspection data of the first inspection, and the quality state of the building material is further effectively known.
Furthermore, the quality level judgment rule which accords with the inspection item is set, the quality state of the building material is visually represented by the detection value, and the quality level of the building material is further graded and refined, so that the detection period of the building material calculated by the method provided by the invention is effectively ensured to be consistent with the quality level of the building material.
Furthermore, the total days mz of the effective date of a single building material i, the days md of the current date from the effective date of the building material i and the standard storage period M0 of the building material i are calculated, md is compared with M0 to determine the temporary inspection adjustment coefficient of the building material i, the inspection period of the building material i is preliminarily determined according to the percentage p of md in mz, and the building material can be effectively ensured to better know the quality state of the building material through setting the corresponding detection period within the storage time of the building material.
Furthermore, the method determines a calculation mode of the inspection period of the corresponding building material i according to p and corrects the calculated inspection period by theta to preliminarily determine the inspection period of the building material i, and detects the building material which is subjected to failure in the storage period by adopting a mode of shorter detection period according to whether the building material is subjected to failure in the storage period so as to match a proper correction coefficient, thereby effectively ensuring that the method can better know the quality state of the building material and timely know the quality level of the building material with failure risk.
Further, the building material quality level detection method adjusts a preliminarily determined building material inspection period according to the quality level of a single building material to determine the building material detection period, adjusts the detection period according to the quality level of the building material after the preliminarily determined building material inspection period, increases the detection period of the building material with a better quality level to reduce inspection frequency and save inspection cost, and shortens the detection period of the building material with a poorer quality level to better monitor the quality level, so that the detection period of the building material calculated by the building material quality level detection method is consistent with the quality level of the building material.
Furthermore, the monitoring and collecting module periodically detects and records the data of the internal and external environments of the storehouse, the acceptance control module determines whether to initiate the quality detection of the environment overrun according to whether the detected data of the internal and external environments of the storehouse exceeds the storage environment standard of the building materials, the detection times are increased by monitoring the change of the environment data, the condition of the quality level change caused by the environment change in the storage of the building materials is better avoided, and the method can be ensured to know the quality level of the building materials in time.
Furthermore, the method calculates the optimal use time of the building material according to the data variable quantity of a single detection item in the detection information so as to guide the use time of the building material, effectively calculates and evaluates the quality level of the building material in use according to the quality fluctuation of the building material reflected in a plurality of detections, and predicts the quality level of the building material by determining the optimal use time so as to ensure that the detection mode of the method not only can better know the current quality level of the building material, but also can predict the expected quality level of the building material through reasonable calculation of the detection data so as to guide production, thereby having good practicability.
Drawings
FIG. 1 is a diagram illustrating steps of a method for inspecting and accepting a building material according to the present invention;
fig. 2 is a step diagram of the building material inspection and acceptance method of the present invention in step S3.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, which is a flow chart of a method for detecting and accepting a building material according to the present invention, the present invention provides a method for detecting and accepting a building material, including:
step S1, building material information base is established, wherein the building material information base comprises name, code, material standard, acceptance item, acceptance standard and relevant numerical data of qualified samples of building materials;
s2, when the building materials are put in storage, the material identification module identifies the information of the building materials and matches the information with codes in the building material information base, if the storage condition is met, the material identification module identifies the shipment inspection report of the building materials and transmits the shipment inspection report to the inspection information storage module, and the inspection and acceptance control module controls the data analysis module to judge the qualification of the shipment inspection report of the building materials so as to determine that the building materials can be normally stored in the storage;
s3, after the building materials are put in storage, the inspection acquisition module carries out first inspection on the single building materials, the inspection control module determines the inspection period of the building materials according to the production date and the effective date of the single building materials, the preset standard storage period and the maximum storage period corresponding to the materials and the first inspection quality level of the building materials, and the inspection information storage module stores first inspection data and the set inspection period aiming at the single building materials;
s4, the monitoring acquisition module periodically detects and records temperature and humidity environment data in the storeroom and weather information of the place where the storeroom is located to the inspection information storage module so as to provide data support for the acceptance control module to determine whether a single building material needs to be detected or not;
s5, the acceptance acquisition module performs storage detection on a single building material according to a set detection period and a set detection mode, and if the acceptance control module judges that the current detection is qualified, the storage detection record is stored to the detection information storage module; if the building material is judged to be unqualified, the acceptance control module judges that the inspection quantity/item is increased, and the material is detected again to determine whether the building material is qualified or not;
and S6, when the building materials are delivered from the warehouse, the acceptance control module calls the inspection information of the building materials and judges whether the materials can be normally used according to the inspection information, if the materials can be normally used, the acceptance control module predicts the optimal use time of the building materials according to the variable quantity of the relevant characteristics in the inspection information and controls the marking module to mark the building materials as qualified and optimal use time.
After the building material is put in storage, the single building material is firstly inspected, the inspection and acceptance control module determines the inspection period of the building material according to the production date and the effective date of the single building material, the preset standard storage period and the maximum storage period corresponding to the material and the first inspection quality level of the building material, the material is matched with the corresponding inspection period according to specific first inspection data of the building material for storage and inspection, the actual quality level of the building material is judged to be the appropriate inspection period matched with the building material, the condition that the material is invalid and cannot be used due to the overlong inspection period but the material storage is insufficient due to the fact that the quality failure state of the material cannot be known in time is avoided, the inspection and acceptance period suitable for the material can be set according to the actual quality state of the building material, and the quality state of the building material can be better mastered by setting the corresponding inspection period.
Specifically, in the step S2, the acceptance control module controls the data analysis module to analyze whether the detection value of a single detection item in the shipment inspection report of the building material meeting the warehousing condition exceeds the acceptance criterion and calculates the number D of the detection items exceeding the acceptance criterion, the acceptance control module determines whether the building material can be normally warehoused according to D, the acceptance control module is provided with a warehousing acceptance over-range item criterion D0, wherein D0 is not less than 0,
when D is less than or equal to D0, the acceptance control module judges that the building material is qualified and can be normally warehoused, and the acceptance control module judges that the step S3 is executed on the building material;
and when D is larger than D0, the acceptance control module judges that the building material is unqualified, and controls the marking module to make a self-inspection unqualified mark on the building material and count the number corresponding to the building material into a withdrawal file.
In practical application, the warehousing acceptance exceeding item standard D0 can be set according to technical standards, can also be set according to the minimum acceptance standard for relaxation, and can be set according to specific practical situations, which are not specifically described herein.
According to the method, whether the detection numerical value of a single detection item in the shipment inspection report of the building materials meeting the warehousing condition exceeds the acceptance standard or not is analyzed, the number d of the detection items exceeding the acceptance standard is calculated, whether the building materials can be normally warehoused or not is determined according to the d, unqualified building materials are effectively filtered through analyzing the shipment report, the rise of detection cost caused by the first inspection of all the incoming building materials is avoided, and the quality state of the building materials can be better known.
Specifically, in the step S3, the acceptance collection module performs a first inspection on the single building material, wherein the items of the first inspection include a visual inspection, a weight inspection, a size inspection, a key index item inspection, and a valid date inspection.
Specifically, in the step S3, the number of samples of the building material extracted in the first inspection and the extraction standard may be formulated according to a specific detection standard, which is applicable to the prior art and will not be described herein again.
Please refer to fig. 2, which is a diagram illustrating a step S3 of the method for detecting and accepting building materials according to the present invention, wherein the step S3 includes:
step S31, the acceptance acquisition module carries out primary inspection on the single building material to determine the quality level of the single building material;
step S32, the acceptance control module preliminarily determines the inspection period of the building material according to the production date and the effective date of the single building material, the corresponding preset standard storage period of the material and the maximum storage period;
and S33, adjusting the preliminarily determined inspection period of the building material by the acceptance control module according to the quality level of the single building material so as to determine the detection period of the building material.
Specifically, in step S31, the acceptance control module controls the acceptance collection module to determine the quality level of a single building material according to the percentage of the number of inspection items meeting the quality levels of class a, class B, and class C, which are included in inspection items of a first inspection of the single building material, to the total number of all the first inspection items, the acceptance control module is provided with a quality level determination rule for comparing a result measured in the single inspection item with an acceptance criterion and determining which quality level the single inspection item is at according to a position where the single inspection item is within an acceptance criterion qualified range, the acceptance control module is provided with a minimum quality criterion C1 and an optimum quality criterion A1, where C1 is 0 or more and less than or equal to 30%, A1 is 0 or more and less than or equal to 50%,
after all the first-time inspections of a certain building material i are finished, the percentage of inspection items meeting the A-type quality level to the total number of all the first-time inspection items is recorded as ai, the percentage of inspection items meeting the B-type quality level to the total number of all the first-time inspection items is recorded as bi, the percentage of inspection items meeting the C-type quality level to the total number of all the first-time inspection items is recorded as ci,
when ci is more than C1, the acceptance control module judges that the quality level of the building material i does not meet the minimum acceptance standard and controls the marking module to mark the building material i for first-check non-acceptance so as to leave the building material;
when ci is less than or equal to C1, the acceptance control module judges that the quality level of the building material i meets the minimum acceptance standard and determines the quality level according to ai;
when ai is more than or equal to A1, the acceptance control module judges that the quality level of the building material i meets the optimal quality standard and marks the quality level of the building material i as a first-level quality level;
and when ai is less than A1, the acceptance control module judges that the quality level of the building material i does not accord with the best quality standard, and records the quality level of the building material i as a secondary quality level.
The quality level of the single building material is determined according to the percentage of the number of the inspection items which are contained in the inspection items of the single building material and meet the quality levels of the A type, the B type and the C type in the total number of all the inspection items of the first inspection, the quality level of the building material is effectively evaluated by using the inspection data of the first inspection, and the quality state of the building material is further effectively known.
Specifically, in step S31, the quality level determination rule is: the acceptance control module is provided with an acceptance standard range Saij aiming at the single inspection item ij of the building material id, the acceptance standard range Sbeijh and the standard-exceeding acceptance standard range Scij, wherein the Saij belongs to S0ij, the Sbeij belongs to S0ij, and Saij + Sbeij = S0ij,
and Scij does not intersect with S0ij, the acceptance control module records the determination result of the single inspection item ij of the building material id as sij,
if sij belongs to Saij, the acceptance control module judges that the quality level of the single inspection item ij of the building material i meets the tightening acceptance standard and records the quality level of the single inspection item ij of the building material i as an A-type quality level;
if sij belongs to Sbij, the acceptance control module judges that the single inspection item ij of the building material i meets the acceptance standard and records the quality level of the single inspection item ij of the building material i as the B-class quality level;
and if sij belongs to Scij, the acceptance control module judges that the single inspection item ij of the building material i meets the acceptance standard and records the quality level of the single inspection item ij of the building material i as the quality level of class C.
According to the invention, the quality level judgment rules which accord with each inspection item are set, the quality state of the building material is visually represented by the detection value, and the quality level of the building material is further graded and refined, so that the detection period of the building material calculated by the method provided by the invention is effectively ensured to accord with the quality level of the building material.
Specifically, in the step S32, the data analysis module calculates total days mz of the effective date of the single construction material i, days md of the current date that have expired from the effective date of the construction material i, and a standard storage period M0 of the construction material i, where 0 < M0 ≦ 360day, the acceptance control module compares md with M0 to determine an interim inspection adjustment coefficient of the construction material i and preliminarily determines an inspection period of the construction material i according to a percentage p of md to mz,
when md is larger than or equal to kM0, the acceptance control module judges that the building material i does not lose efficacy in the storage period, the acceptance control module sets theta to be theta =1, and preliminarily determines the inspection period of the building material i according to theta and p;
and when md is less than kM0, the acceptance control module judges that the building material i is about to fail in the storage period, the acceptance control module sets theta to be theta = md/kM0 and preliminarily determines the inspection period of the building material i according to theta and p, wherein k is a failure adjustment coefficient, and k is more than 1.
According to the method, the total days mz of the effective date of a single building material i, the days md of the current date ending from the effective date of the building material i and the standard storage period M0 of the building material i are calculated, md and M0 are compared to determine the temporary inspection adjustment coefficient of the building material i, the inspection period of the building material i is preliminarily determined according to the percentage p of md in mz, and the building material can be effectively guaranteed to be better known about the quality state of the building material through setting a corresponding detection period within the storage time of the building material.
Specifically, in the step S32, the acceptance control module determines a corresponding building material i inspection period calculation manner according to P and corrects the calculated inspection period by using θ to preliminarily determine the inspection period of the building material i, and the acceptance control module is provided with a first validity period percentage standard P1, a second validity period percentage standard P2, a first validity period calculation coefficient β 1, a second validity period calculation coefficient β 2, and a third validity period calculation coefficient β 3, wherein P1 is more than 10% < P1 < 35% < P2 < 70%, β 1 is more than 0.6 < 1 < β 2 < β 3 < 1.5, and P = md/mz is set,
when P is less than P1, the acceptance control module judges that the validity period is short and calculates the inspection period of the building material i by adopting a first validity period calculation coefficient beta 1;
when P1 is more than or equal to P and less than P2, the acceptance control module judges that the validity period is normal and calculates the inspection period of the building material i by adopting a second validity period calculation coefficient beta 2;
when P is larger than or equal to P2, the acceptance control module judges that the validity period is long and calculates the inspection period of the building material i by adopting a third validity period calculation coefficient beta 3;
when the acceptance control module judges that the gamma valid period calculation coefficient beta gamma is adopted to calculate the inspection period of the building material i, wherein gamma =1,2,3, the calculation formula of the preliminary inspection period T1i of the building material i is set as follows: t1i = T0 × β γ/θ, where T0 is a preset base verification period.
According to the method, the calculation mode of the inspection period of the corresponding building material i is determined according to p, the calculated inspection period is corrected by adopting theta to preliminarily determine the inspection period of the building material i, and the inspection is performed on the building material which is subjected to failure in the storage period by judging whether the building material is subjected to failure in the storage period so as to match a proper correction coefficient, so that the detection is performed on the building material which is subjected to failure in the storage period in a mode of shorter detection period, and the method can effectively ensure that the quality state of the building material can be better known, and the quality level of the building material with failure risk can be known in time.
Specifically, in the step S33, the acceptance control module adjusts the preliminarily determined inspection period of the building material according to the quality level of the single building material to determine the inspection period of the building material, and the acceptance control module is provided with a primary quality level adjustment coefficient μ 1 and a secondary quality level adjustment coefficient μ 2, where μ 1 > μ 2 > 0,
when the quality level of the building material i is a first-grade quality level, the acceptance control module judges that the detection period of the building material i is adjusted by adopting a first-grade quality level adjustment coefficient mu 1;
when the quality level of the building material i is a secondary quality level, the acceptance control module judges that the detection period of the building material i is adjusted by adopting a secondary quality level adjustment coefficient mu 2;
when the acceptance control module judges that the detection period of the building material i is adjusted by adopting the f-level quality level adjustment coefficient muf, a calculation formula for setting the detection period T2i of the building material i is as follows: t2i = T1i × μ f, where f =1,2.
The building material inspection method adjusts the preliminarily determined inspection period of the building material according to the quality level of the single building material to determine the inspection period of the building material, adjusts the inspection period according to the quality level of the building material after the preliminarily determined inspection period of the building material, lengthens the inspection period of the building material with better quality level to reduce the inspection frequency and save the inspection cost, shortens the inspection period of the building material with poorer quality level to better monitor the quality level, and further ensures that the inspection period of the building material calculated by the method of the invention is consistent with the quality level of the building material.
Specifically, in step S4, the monitoring and collecting module periodically detects and records the internal and external environmental data of the warehouse, the acceptance control module determines whether to initiate the quality detection of the environment exceeding the storage environment standard of the building material according to whether the detected internal and external environmental data of the warehouse exceed the storage environment standard of the building material, when the acceptance control module determines that the environmental data exceeding the standard exists, the acceptance control module controls the acceptance collecting module to store and detect the building material to determine whether the building material is qualified, and the internal and external environmental data of the warehouse include the temperature and humidity environmental data in the warehouse where the building material is stored and the weather information data of the warehouse.
According to the invention, the monitoring acquisition module periodically detects and records the data of the internal and external environments of the storehouse, the acceptance control module determines whether to initiate the quality detection of the environment overrun according to whether the detected data of the internal and external environments of the storehouse exceeds the storage environment standard of the building material, the detection times are increased by monitoring the change of the environment data, the condition of quality level change caused by the environment change in the storage of the building material is better avoided, and the method can be ensured to know the quality level of the building material in time.
Specifically, in the step S5, the acceptance control module is provided with a mode of increasing the number of inspection pieces and a mode of increasing inspection item contents, and the acceptance control module can select the mode of increasing the number of inspection pieces and/or the mode of increasing the inspection item contents to inspect the building material according to actual conditions;
the number of the inspection pieces is increased by the following mode: when the acceptance control module judges that the inspection is unqualified, extracting more building material samples than the number of the samples of the inspection again from the building materials for inspection, and judging whether the inspection is qualified or not according to the inspection data;
the content mode of the added check items is set as follows: when the acceptance control module judges that the inspection is unqualified, the building material samples with the same number as the samples of the inspection are extracted from the building materials again to carry out the inspection for increasing the content of the inspection item, and whether the inspection is qualified is judged according to the inspection data.
Specifically, in step S6, the acceptance control module retrieves inspection information of a certain building material n that can be normally used and calculates an optimal usage time of the building material according to a data change amount of a single inspection item in the inspection information, the acceptance control module records an inventory time of the building material n as g, a maximum change amount of inspection data of the single inspection item of the building material n in the inventory time as li, a change percentage of the inspection data of the single inspection item of the building material n in the inventory time as qi, and sets qi = li/L0, the acceptance control module is provided with a quality change percentage criterion Q, where 0 < Q < 50%, and L0 is an allowable data change amount of the single inspection item of the building material n,
when qi is less than or equal to Q, the acceptance control module judges that the quality of the building material n is stable, and sets the effective use time of the building material n as the optimal use time;
when qi is larger than Q, the acceptance control module judges that the quality of the building material n is unstable, and sets a calculation formula of the optimal service time Tj of the building material n as follows:
tj = ta × qi × δ/g, where ta is the effective usage time of the building material n, δ is the optimal usage adjustment factor, 0.5 < δ < 0.9.
The method calculates the optimal use time of the building material according to the data variation of a single detection item in the inspection information to guide the use time of the building material, effectively calculates and evaluates the quality level of the building material in use according to the quality fluctuation reflected by the building material in a plurality of detections, and can better utilize the detection data to predict the quality level of the building material by determining the optimal use time to use the building material, thereby ensuring that the detection mode of the method not only can better know the current quality level of the building material, but also can predict the expected quality level of the building material by reasonably calculating the detection data to guide production, and having good practicability.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can be within the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A building material detection and acceptance method is characterized by comprising the following steps:
step S1, building material information base is established, wherein the building material information base comprises name, code, material standard, acceptance item, acceptance standard and relevant numerical data of qualified samples of building materials;
s2, when the building materials are put in storage, the material identification module identifies the information of the building materials and matches the information with codes in the building material information base, if the storage condition is met, the material identification module identifies the shipment inspection report of the building materials and transmits the shipment inspection report to the inspection information storage module, and the inspection and acceptance control module controls the data analysis module to judge the qualification of the shipment inspection report of the building materials so as to determine that the building materials can be normally stored in the storage;
s3, after the building materials are put in storage, the acceptance collection module carries out first-time inspection on the single building materials, the acceptance control module determines the inspection period of the building materials according to the production date and the effective date of the single building materials, the preset standard storage period and the maximum storage period corresponding to the materials and the first-time inspection quality level of the building materials, and the inspection information storage module stores first-time inspection data and the set inspection period aiming at the single building materials;
s4, the monitoring acquisition module periodically detects and records temperature and humidity environment data in the storeroom and weather information of the place where the storeroom is located to the inspection information storage module so as to provide data support for the acceptance control module to determine whether the single building material needs to be detected or not;
s5, the acceptance acquisition module performs storage detection on a single building material according to a set detection period and a set detection mode, and if the acceptance control module judges that the current detection is qualified, the storage detection record is stored to the detection information storage module; if the building material is judged to be unqualified, the acceptance control module judges that the inspection quantity/item is increased, and the material is detected again to determine whether the building material is qualified or not;
and S6, when the building materials are delivered from the warehouse, the acceptance control module calls the inspection information of the building materials and judges whether the building materials can be normally used according to the inspection information, if the building materials can be normally used, the acceptance control module predicts the optimal use time of the building materials according to the variable quantity of the relevant characteristics in the inspection information and controls the marking module to mark the building materials as qualified and optimal use time.
2. The building material detection and acceptance method according to claim 1, wherein in the step S2, the acceptance control module controls the data analysis module to analyze whether the detection value of a single detection item in the shipment inspection report of the building material meeting the warehousing condition exceeds the acceptance criterion and calculate the number D of the detection items exceeding the acceptance criterion, the acceptance control module determines whether the building material can be normally warehoused according to D, the acceptance control module is provided with a warehousing acceptance over-range item criterion D0, wherein D0 is more than or equal to 0,
when D is less than or equal to D0, the acceptance control module judges that the building material is qualified and can be normally warehoused, and the acceptance control module judges that the step S3 is executed on the building material;
and when D is larger than D0, the acceptance control module judges that the building material is unqualified, and controls the marking module to make a self-inspection unqualified mark on the building material and records the number corresponding to the building material into a warehouse-returning file.
3. The building material detection and acceptance method according to claim 2, wherein in the step S3, the method includes:
step S31, the acceptance acquisition module carries out primary inspection on the single building material to determine the quality level of the single building material;
step S32, the acceptance control module preliminarily determines the inspection period of the building material according to the production date and the effective date of the single building material, the preset standard storage period corresponding to the material and the maximum storage period;
and S33, adjusting the preliminarily determined inspection period of the building material according to the quality level of the single building material by the inspection control module to determine the detection period of the building material.
4. The building material inspection and acceptance method according to claim 3, wherein in the step S31, the acceptance control module controls the acceptance acquisition module to determine the quality level of the single building material according to the percentage of the number of inspection items meeting the quality levels of class A, class B and class C contained in the inspection items of the first inspection of the single building material to the total number of all the inspection items of the first inspection, the acceptance control module is provided with a quality level determination rule for comparing the result measured in the single inspection item with the acceptance criterion and determining the quality level of the single inspection item according to the position of the single inspection item within the qualified range of the acceptance criterion, the acceptance control module is provided with a minimum quality criterion C1 and an optimum quality criterion A1, wherein, 0 is more than or equal to C1 and less than 30%,0 is more than or equal to A1 and less than or equal to 50%,
after all the first-time inspections of a certain building material i are finished, the percentage of inspection items meeting the A-type quality level to the total number of all the first-time inspection items is recorded as ai, the percentage of inspection items meeting the B-type quality level to the total number of all the first-time inspection items is recorded as bi, the percentage of inspection items meeting the C-type quality level to the total number of all the first-time inspection items is recorded as ci,
when ci is larger than C1, the acceptance control module judges that the quality level of the building material i does not meet the minimum acceptance standard and controls the marking module to mark the building material i for first-check ineligibility so as to leave the building material;
when ci is less than or equal to C1, the acceptance control module judges that the quality level of the building material i meets the minimum acceptance standard and determines the quality level according to ai;
when ai is larger than or equal to A1, the acceptance control module judges that the quality level of the building material i meets the optimal quality standard and records the quality level of the building material i as a first-grade quality level;
and when ai is less than A1, the acceptance control module judges that the quality level of the building material i does not accord with the best quality standard, and records the quality level of the building material i as a secondary quality level.
5. The building material detection acceptance method according to claim 4, wherein in the step S31, the quality level determination rule is: the acceptance control module is provided with an acceptance standard range Saij aiming at the single inspection item ij of the building material id, the acceptance standard range Sbeijh and the standard-exceeding acceptance standard range Scij, wherein the Saij belongs to S0ij, the Sbeij belongs to S0ij, and Saij + Sbeij = S0ij,
and Scij does not intersect with S0ij, the acceptance control module records the determination result of the single inspection item ij of the building material id as sij,
if sij belongs to Saij, the acceptance control module judges that the quality level of the single inspection item ij of the building material i meets the tightening acceptance standard and records the quality level of the single inspection item ij of the building material i as an A-type quality level;
if sij belongs to Sbij, the acceptance control module judges that the single inspection item ij of the building material i meets the acceptance standard and records the quality level of the single inspection item ij of the building material i as the B-class quality level;
and if sij belongs to Scij, the acceptance control module judges that the single inspection item ij of the building material i meets the acceptance standard and records the quality level of the single inspection item ij of the building material i as the quality level of class C.
6. The building material inspection and acceptance method according to claim 5, wherein in the step S32, the data analysis module calculates total days mz of the effective date of the individual building material i, days md of the current date which have expired from the effective date of the building material i, and a standard storage period M0 of the building material i, where 0 < M0 ≦ 360day, the acceptance control module compares md with M0 to determine the provisional inspection adjustment coefficient of the building material i and preliminarily determines the inspection period of the building material i according to the percentage p of md to mz,
when md is larger than or equal to kM0, the acceptance control module judges that the building material i does not lose efficacy in the storage period, the acceptance control module sets theta to be theta =1 and preliminarily determines the inspection period of the building material i according to theta and p;
and when md is less than kM0, the acceptance control module judges that the building material i is close to failure in the storage period, and the acceptance control module sets theta to be theta = md/kM0 and preliminarily determines the inspection period of the building material i according to theta and p, wherein k is a failure adjustment coefficient and is greater than 1.
7. The building material inspection and acceptance method according to claim 6, wherein in the step S32, the acceptance control module determines a corresponding building material i inspection cycle calculation manner according to P and corrects the calculated inspection cycle by using θ to preliminarily determine the inspection cycle of the building material i, the acceptance control module is provided with a first validity period percentage criterion P1, a second validity period percentage criterion P2, a first validity period calculation coefficient β 1, a second validity period calculation coefficient β 2 and a third validity period calculation coefficient β 3, wherein 10% < P1 < 35% < P2 < 70%,0.6 < β 1 < β 2 < β 3 < 1.5, and P = md/mz is set,
when P is less than P1, the acceptance control module judges that the validity period is short and calculates the inspection period of the building material i by adopting a first validity period calculation coefficient beta 1;
when P1 is more than or equal to P and less than P2, the acceptance control module judges that the validity period is normal and calculates the inspection period of the building material i by adopting a second validity period calculation coefficient beta 2;
when P is larger than or equal to P2, the acceptance control module judges that the validity period is long and calculates the inspection period of the building material i by adopting a third validity period calculation coefficient beta 3;
when the acceptance control module judges that the gamma valid period calculation coefficient beta gamma is adopted to calculate the inspection period of the building material i, wherein gamma =1,2,3, the calculation formula of the preliminary inspection period T1i of the building material i is set as follows: t1i = T0 × β γ/θ, where T0 is a preset base verification period.
8. The building material inspection and acceptance method according to claim 7, wherein in the step S33, the acceptance control module adjusts the preliminarily determined inspection period of the building material according to the quality level of the individual building material to determine the inspection period of the building material, the acceptance control module is provided with a primary quality level adjustment coefficient μ 1 and a secondary quality level adjustment coefficient μ 2, wherein μ 1 > μ 2 > 0,
when the quality level of the building material i is a first-grade quality level, the acceptance control module judges that the detection period of the building material i is adjusted by adopting a first-grade quality level adjustment coefficient mu 1;
when the quality level of the building material i is a secondary quality level, the acceptance control module judges that the detection period of the building material i is adjusted by adopting a secondary quality level adjustment coefficient mu 2;
when the acceptance control module judges that the f-level quality level adjustment coefficient muf is adopted to adjust the detection period of the building material i, the calculation formula of the detection period T2i of the building material i is set as follows: t2i = T1i × μ f, where f =1,2.
9. The method for detecting and accepting building materials according to claim 8, wherein in step S4, the monitoring and collecting module periodically detects and records warehouse internal and external environment data, the acceptance control module determines whether to initiate an environment out-of-limit quality detection according to whether the detected warehouse internal and external environment data exceed the storage environment standard of the building materials, when the acceptance control module determines that the environment data exceed the standard, the acceptance control module controls the acceptance collecting module to perform storage detection on the building materials to determine whether the building materials are qualified, and the warehouse internal and external environment data include temperature and humidity environment data in a warehouse for storing the building materials and weather information data of a place where the warehouse is located.
10. The method as claimed in claim 9, wherein in the step S6, the acceptance control module retrieves the inspection information of a certain building material n capable of being normally used and calculates the optimal usage time of the building material according to the data variation of a single inspection item in the inspection information, the acceptance control module records the storage time of the building material n as g, the maximum variation of the inspection data of the single inspection item of the building material n in the storage time as li, the variation percentage of the inspection data of the single inspection item of the building material n in the storage time as qi, and sets qi = li/L0, and the acceptance control module is provided with a quality variation percentage standard Q, wherein 0 < Q < 50%, and L0 is the allowable variation of the data of the single inspection item of the building material n,
when qi is less than or equal to Q, the acceptance control module judges that the quality of the building material n is stable, and sets the effective use time of the building material n as the optimal use time;
when qi is larger than Q, the acceptance control module judges that the quality of the building material n is unstable, and sets a calculation formula of the optimal service time Tj of the building material n as follows:
tj = ta × qi × δ/g, where ta is the effective usage time of the building material n, δ is the optimal usage adjustment coefficient, and 0.5 < δ < 0.9.
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