CN113379426A - Concrete quality tracing method based on block chain - Google Patents
Concrete quality tracing method based on block chain Download PDFInfo
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Abstract
The invention relates to the field of concrete quality traceability, and particularly discloses a concrete quality traceability method based on a block chain, wherein a block chain system is constructed firstly, a supervision organization brings a project into the block chain system, and issues a certificate to a node passing authentication; the concrete production user and the supervision department respectively input the related information into the distributed account book through the corresponding nodes; recording test piece manufacturing information into the RFID passive tag; and the detection unit checks the information in the RFID passive tag through a block chain system and inputs the detection result into the distributed account book. In the invention, the block chain technology is adopted to solve the problems of cipher text hijacking caused by a single network channel and data tampering caused by centralization of a server and centralization of data management, and the block chain technology is combined with the RFID anti-counterfeiting technology, so that data can be effectively prevented from being tampered by a user while data sharing is realized, and the safety of a supervision system is greatly improved.
Description
Technical Field
The invention relates to the field of concrete quality tracing, and particularly discloses a block chain-based concrete quality tracing method.
Background
As the concrete is used as a main raw material in construction engineering, along with the prosperous development of the current construction industry, the demand for the concrete is gradually increased year by year, and the stability of the concrete solid structure directly influences the construction quality. However, the problems that witnesses are found, a sampler cannot reach a construction site, a test block is used for maintenance instead (a ready-mixed commercial concrete enterprise directly provides a well-maintained test piece for a construction unit for inspection), and the like still exist, so that the concrete strength value on a test report cannot truly reflect the concrete strength value actually used by a project.
Moreover, due to the lack of a method for managing the whole detection work flow of the detection mechanism, a competent department cannot check and supervise the progress of the detection task and the conditions occurring in the detection process in real time, and check and supervise the progress of the detection task and the conditions occurring in the detection process, and detection data and detection reports are not uploaded to a supervision platform in real time, so that the authenticity of the uploaded data is difficult to distinguish, and the method is not favorable for the effective supervision of the supervision department.
In addition, the problems of difficult time-consuming balance and the like exist in the current centralized data sharing, reading, verifying and tracing; in terms of authority, data management in the concrete quality detection and tracing system depends on supervision of related departments, and a data logger or related personnel can selectively hide or even tamper with unfavorable basic data for private interest.
Disclosure of Invention
In view of the above, the present invention provides a block chain-based concrete quality tracing method for preventing data tampering.
In order to achieve the purpose, the invention provides the following technical scheme:
a concrete quality tracing method based on a block chain comprises the following steps:
step S1, constructing a block chain system, wherein the block chain system is provided with a supervision node, a production node, a supervision node, a detection node and a plurality of distributed accounts;
step S2, the supervising authority receives the project into the blockchain system after acquiring the project construction license, and issues the certificate to the production node, the supervision node and the detection node which pass the certification;
step S3, after the production node of the concrete production user obtains the node certification of the CA certification center, the production node inputs the production information into the corresponding distributed account book;
step S4, the concrete production user carries out self-checking on the produced concrete, and the self-checking information is recorded into a corresponding distributed account book through the production node;
step S5, the supervision project department inputs the pouring position, the slump information and the appearance quality evaluation information into a corresponding distributed account book through a supervision node;
s6, the supervision department supervises the construction unit to make test blocks on site, generates a detection batch number containing test piece making information, binds a unique two-dimensional code identifier, and inputs a corresponding distributed account book through a supervision node; meanwhile, test piece manufacturing information is input into the RFID passive tag through the reader-writer, the two-dimensional code mark is pasted on the surface of the test piece, the RFID passive tag is implanted into the test piece, and the test piece is sent to a detection unit;
step S7, the detection unit reads the information of the batch number in the RFID passive tag through the reader, scans the two-dimensional code mark on the surface of the test piece through the equipment connected with the detection node, acquires the test piece manufacturing information from the block chain system, compares the test piece manufacturing information with the test piece manufacturing information acquired by reading the RFID passive tag, and uploads the test piece manufacturing information acquired by reading the RFID passive tag as abnormal data to the block chain system if the two pieces of information are inconsistent;
step S8, after sending the test piece to a curing room for curing for a preset number of days, a detection unit detects whether the test piece is qualified or not, and records the detection result into a corresponding distributed account book through a detection node;
and when the test piece detection result is unqualified, the supervising mechanism traces the source and traces the duty through the account book information stored in the block chain database.
Further, the block chain system comprises a user layer, an application layer, a data layer, a consensus layer and a contract layer;
the user layer comprises a supervision user of a supervision mechanism, a production user of a manufacturer, a supervision user of a supervision project department and a detection user of a detection mechanism and is used for providing user traceability;
the application layer comprises a plurality of supervision platforms, and the supervision platforms comprise a concrete production data integrated management platform, a detection data integrated management platform and a quality supervision processing platform and are used for managing the process from production to detection of the concrete test block;
the data layer provides data support for the application layer, and comprises a block chain database which comprises account book data and state data;
the common identification layer is a common identification mechanism of a block chain, and aims to enable a plurality of nodes to jointly maintain a database and ensure that data is not tampered so as to ensure the safe operation of the whole system.
The contract layer is used for storing various contract mechanisms and script codes for stable and harmonious operation and running of the block chain system.
Further, each node maintains a plurality of distributed ledgers.
Further, each distributed account book is provided with a unique account book number.
Furthermore, when a supervision mechanism system administrator brings a project into the blockchain system, a project quality supervision number is generated firstly, and then a CA authentication center is configured at a supervision node and connected with a blockchain database.
Further, the self-checking information comprises a concrete test piece number, a concrete production line number, an engineering name and a design strength grade.
Further, the test piece manufacturing information comprises an engineering address marked on the electronic map, a defined electronic fence, and bound witness and sampler information.
Further, the RFID passive tag comprises a coupling element and a tag chip, wherein the coupling element comprises a coil and a micro antenna, and the tag chip comprises a memory and a control system; each of the RFID passive tags has a unique electronic code.
Furthermore, the reader and the reader-writer comprise a coupling module, a transceiver module, a control module and an interface unit, wherein the coupling module is used for providing energy and time sequence for the RFID passive tag.
Further, in the detection process of step S8, the wireless sensor network node is used to collect relevant environmental parameters such as humidity and temperature of the curing room and upload the environmental parameters to the corresponding distributed account book through the detection node, the detection node monitors the parameters, and when the parameters exceed a preset value, abnormal data are automatically reported to the supervision platform.
The working principle and the beneficial effects of the scheme are as follows:
the invention adopts the block chain technology to solve the problem of cipher text hijack brought by a single network channel, also solves the problem of data tampering brought by centralization of a server and centralization of data management, combines the block chain technology with the RFID anti-counterfeiting technology, can effectively prevent a user from tampering data while realizing data sharing, and greatly improves the safety of a supervision system.
Drawings
Fig. 1 is a flow chart of a preferred embodiment of the block chain-based concrete quality tracing method according to the invention.
Detailed Description
The following is further detailed by way of specific embodiments:
examples
The invention discloses a concrete quality tracing method based on a block chain, which comprises the following steps:
and step S1, constructing a blockchain system, wherein the blockchain system is provided with a supervision node, a production node, a supervision node, a detection node and a plurality of distributed accounts. Each node maintains a plurality of distributed accounts; each distributed account book is provided with a unique account book number, is similar to an identity card of the distributed account book, is a unique number, and can be used for quickly positioning and inquiring the required distributed account book when data is required to be traced.
The block chain system comprises a user layer, an application layer, a data layer, a consensus layer and a contract layer.
The user layer comprises a supervision user of a supervision mechanism, a production user of a manufacturer, a supervision user of a supervision project department and a detection user of a detection mechanism, and is used for providing user traceability.
The application layer comprises a plurality of supervision platforms, and the supervision platforms comprise a concrete production data integrated management platform, a detection data integrated management platform and a quality supervision processing platform and are used for managing the process from production to detection of the concrete test block.
The data layer provides data support for the application layer, and the data layer comprises a block chain database which comprises account book data and state data.
The common identification layer is a common identification mechanism of a block chain, and aims to enable a plurality of nodes to jointly maintain a database and ensure that data is not tampered so as to ensure the safe operation of the whole system.
The contract layer is used for storing various contract mechanisms and script codes for stable and harmonious operation and running of the block chain system.
In a block chain-based concrete quality traceability and detection system, each node (peer) maintains a plurality of distributed accounts, and according to information among transaction main bodies and the requirement of a super account on data, the super account mainly comprises the following elements:
(1) account book numbering: the identity card similar to the distributed account book is a unique serial number and is used for quickly positioning and inquiring the required distributed account book when data tracing is required.
(2) Account book data: i.e., the actual block transaction data.
(3) Block indexing: so as to quickly find the block or transaction, the block index stores the main data for searching the block/transaction, such as the block number, the block hash, the transaction number, etc.
(4) And (3) state data: to increase the speed of execution of the chain code, all latest values are stored in the state data.
Step S2, after the supervising authority obtains the project construction license, the system administrator starts to bring the project into the blockchain system, the project quality supervising number is generated firstly, then the supervising node is configured with the CA authorizing center, the blockchain database is connected, and the certificate is issued to the production node, the supervising node and the detection node which are determined through the certification.
And step S3, after the production node of the concrete production user obtains the node authentication of the CA authentication center, the production node inputs the production information into the corresponding distributed account book.
And S4, the concrete production user carries out self-checking on the produced concrete, and the self-checking information is recorded into the corresponding distributed account book through the production nodes. The self-checking information comprises a concrete test piece number, a concrete production line number, an engineering name and a design strength grade.
And step S5, the supervision project department inputs the pouring part, the slump information and the appearance quality evaluation information into a corresponding distributed account book through a supervision node.
And S6, the supervision project department supervises the site of the construction unit to manufacture test blocks and collects related test piece manufacturing information, wherein the test piece manufacturing information comprises engineering addresses marked on an electronic map, a defined electronic fence and bound witness and sampler information. And then, generating a detection batch single number containing the test piece manufacturing information, binding a unique two-dimensional code identifier, and inputting a corresponding distributed account book through a supervision node. Meanwhile, test piece manufacturing information is input into the RFID passive tag through the reader-writer, the two-dimensional code mark is pasted on the surface of the test piece, the RFID passive tag is implanted into the test piece, and the test piece is sent to a detection unit. The RFID passive tag comprises a coupling element and a tag chip, wherein the coupling element comprises a coil and a micro-antenna, and the tag chip comprises a memory and a control system. Each RFID passive tag has a unique electronic code.
And step S7, the detection unit reads the information of the batch number in the RFID passive tag through the reader, scans the two-dimensional code identification on the surface of the test piece through the equipment connected with the detection node, acquires the test piece manufacturing information from the block chain system, compares the test piece manufacturing information with the test piece manufacturing information acquired by reading the RFID passive tag, if the two information are inconsistent, the data is probably falsified, and uploads the test piece manufacturing information acquired by reading the RFID passive tag to the supervision platform of the block chain system as abnormal data.
The reader and the reader-writer comprise a coupling module, a transceiving module, a control module and an interface unit, and energy and time sequence can be provided for the RFID passive tag through the coupling module.
And step S8, after the test unit sends the test piece to a curing room for curing for a preset number of days, detecting whether the test piece is qualified or not, and recording the detection result into a corresponding distributed account book through the detection node. In the detection process, the wireless sensor network nodes are used for collecting relevant environmental parameters such as humidity and temperature of the curing room and uploading the environmental parameters to the corresponding distributed account book through the detection nodes, the detection nodes monitor the parameters, and when the parameters exceed preset values, abnormal data are automatically reported to the supervision platform.
In the whole quality detection process, a supervision mechanism can observe abnormal data in the block chain system in real time through a supervision platform; when the test piece detection result is unqualified, the account book information stored in the block chain database can be called for tracing the source and tracing the responsibility.
The block chain technology is adopted in the embodiment, the problem of ciphertext hijack brought by a single network channel is solved, the problem of data tampering brought by centralization of a server and centralization of data management is also solved, the block chain technology is combined with the RFID anti-counterfeiting technology, data can be effectively prevented from being tampered by a user while data sharing is achieved, and the safety of a supervision system is greatly improved.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the present invention.
Claims (10)
1. A concrete quality tracing method based on a block chain is characterized by comprising the following steps:
step S1, constructing a block chain system, wherein the block chain system is provided with a supervision node, a production node, a supervision node, a detection node and a plurality of distributed accounts;
step S2, the supervising authority receives the project into the blockchain system after acquiring the project construction license, and issues the certificate to the production node, the supervision node and the detection node which pass the certification;
step S3, the concrete production user inputs the production information into the corresponding distributed account book through the production node;
step S4, the concrete production user carries out self-checking on the produced concrete, and the self-checking information is recorded into a corresponding distributed account book through the production node;
step S5, the supervision project department inputs the pouring position, the slump information and the appearance quality evaluation information into a corresponding distributed account book through a supervision node;
s6, the supervision department supervises the construction unit to make test blocks on site, generates a detection batch number containing test piece making information, binds a unique two-dimensional code identifier, and inputs a corresponding distributed account book through a supervision node; meanwhile, test piece manufacturing information is input into the RFID passive tag through the reader-writer, the two-dimensional code mark is pasted on the surface of the test piece, the RFID passive tag is implanted into the test piece, and the test piece is sent to a detection unit;
step S7, the detection unit reads the information of the batch number in the RFID passive tag through the reader, scans the two-dimensional code mark on the surface of the test piece through the equipment connected with the detection node, acquires the test piece manufacturing information from the block chain system, compares the test piece manufacturing information with the test piece manufacturing information acquired by reading the RFID passive tag, and uploads the test piece manufacturing information acquired by reading the RFID passive tag as abnormal data to the block chain system if the two pieces of information are inconsistent;
step S8, after sending the test piece to a curing room for curing for a preset number of days, a detection unit detects whether the test piece is qualified or not, and records the detection result into a corresponding distributed account book through a detection node;
and when the test piece detection result is unqualified, the supervising mechanism traces the source and traces the duty through the account book information stored in the block chain database.
2. The blockchain-based concrete quality traceability method according to claim 1, wherein the blockchain system comprises a user layer, an application layer, a data layer, a consensus layer and a contract layer;
the user layer comprises a supervision user of a supervision mechanism, a production user of a manufacturer, a supervision user of a supervision project department and a detection user of a detection mechanism and is used for providing user traceability;
the application layer comprises a plurality of supervision platforms, and the supervision platforms comprise a concrete production data integrated management platform, a detection data integrated management platform and a quality supervision processing platform and are used for managing the process from production to detection of the concrete test block;
the data layer provides data support for the application layer, and comprises a block chain database which comprises account book data and state data;
the common identification layer is a common identification mechanism of a block chain, and aims to enable a plurality of nodes to jointly maintain a database and ensure that data is not tampered so as to ensure the safe operation of the whole system.
The contract layer is used for storing various contract mechanisms and script codes for stable and harmonious operation and running of the block chain system.
3. The blockchain-based concrete quality traceability method of claim 2, wherein each node maintains a plurality of distributed ledgers.
4. The blockchain-based concrete quality traceability method of claim 3, wherein each distributed ledger is provided with a unique ledger number.
5. The blockchain-based concrete quality tracing method according to claim 1, wherein when a supervision agency system administrator brings a project into the blockchain system, a project quality supervision number is generated, and then a CA certification center is configured at a supervision node and connected with a blockchain database.
6. The block chain-based concrete quality tracing method according to claim 1, wherein the self-inspection information comprises a concrete sample number, a concrete production flow number, an engineering name and a design strength grade.
7. The block chain-based concrete quality tracing method according to claim 1, wherein the test piece manufacturing information comprises an engineering address marked on an electronic map, a defined electronic fence, and bound witness and sampler information.
8. The blockchain-based concrete quality traceability method according to claim 1, wherein the RFID passive tag comprises a coupling element and a tag chip, wherein the coupling element comprises a coil and a micro antenna, and the tag chip comprises a memory and a control system; each of the RFID passive tags has a unique electronic code.
9. The concrete quality tracing method based on the block chain as claimed in claim 1, wherein the reader and the reader-writer comprise a coupling module, a transceiver module, a control module and an interface unit, and the coupling module is used for providing energy and time sequence for the RFID passive tag.
10. The block chain-based concrete quality tracing method according to claim 1, wherein in the detection process of step S8, a wireless sensor network node is used to collect relevant environmental parameters such as humidity and temperature of a curing room, and upload the environmental parameters to a corresponding distributed book through a detection node, the detection node monitors the parameters, and when the parameters exceed a preset value, abnormal data is automatically reported to the supervision platform.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114186647A (en) * | 2021-11-22 | 2022-03-15 | 北京恒华伟业科技股份有限公司 | Concrete test block based on RFID technology and test data tracing method thereof |
| CN115936540A (en) * | 2023-02-16 | 2023-04-07 | 南京方园建设工程材料检测中心有限公司 | Digital witness sampling and detecting system for building engineering |
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| CN117592871A (en) * | 2024-01-19 | 2024-02-23 | 中铁四局集团有限公司 | Concrete quality safety tracing and tracking management system based on big data |
| CN117592871B (en) * | 2024-01-19 | 2024-04-12 | 中铁四局集团有限公司 | Concrete quality safety tracing and tracking management system based on big data |
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