Risk assessment method, system and equipment based on project safety indexes

Abstract

The invention discloses a project safety index-based risk assessment method, system and equipment, and the method comprises the steps: firstly, collecting safety index data of a project at the aspects of resource environment, social economy and project operation risk; then, according to the subordination relationship of the third-level safety indexes in the third-level safety index hierarchical model, acquiring evaluation data of the third-level safety indexes; a third-level safety index evaluation model is constructed based on evaluation data of a third-level safety index; and finally, performing comprehensive risk assessment on the project by using the three-level safety index assessment model. According to the method, the safety index data can be acquired in real time, and the three-level safety index evaluation model is constructed to obtain the comprehensive evaluation value of the project safety risk, so that the real-time and accurate evaluation of the project safety risk is realized.

Description

Technical Field

[0001] The present invention relates to the field of safety risk assessment, and in particular to a risk assessment method, system and equipment based on project safety indicators. Background Art

[0002] The project implementation process usually involves comprehensive safety risk assessment needs in the fields of resource environment, social economy, project operation, etc. In terms of project safety risk monitoring and assessment, relevant research at home and abroad usually conducts modeling research based on sufficient project implementation data, and the factors considered in the constructed models are not comprehensive. When there is a lack of sufficient project implementation data, it is impossible to conduct accurate project risk assessment through data models. Summary of the invention

[0003] Aiming at the technical problem that the existing project safety risk monitoring and assessment work needs to rely on project implementation data, the factors considered are not comprehensive, and the risk assessment accuracy is not high, the present invention studies the project implementation process and proposes a risk assessment method based on project safety indicators.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0005] The first aspect provides a risk assessment method based on project safety indicators, including:

[0006] According to the safety indicator data collected from the project at the resource environment, social economy, and project operation risk levels, a three-level safety indicator hierarchy model is established, where the three-level safety indicator hierarchy model is a project-level-indicator hierarchy model;

[0007] According to the subordinate relationship of the three-level safety indicators in the three-level safety indicator hierarchy model, the evaluation data of the third-level safety indicators are collected, wherein the first level is the project, the second level is the risk level, and the third level is the safety indicator. The subordinate relationship of the three-level safety indicators includes that the safety indicator is subordinate to the risk level, and the risk level is subordinate to the project;

[0008] Based on the evaluation data of the third-level safety indicators, a three-level safety indicator evaluation model is constructed;

[0009] A three-level safety indicator assessment model is used to conduct a comprehensive risk assessment of the project.

[0010] In one implementation, a three-level safety indicator hierarchy model is established based on the safety indicator data collected from the project at the resource environment, social economy, and project operation risk levels, including:

[0011] The safety index data of the project in terms of resource environment, social economy, and project operation risk are used and constructed into a safety index vector. The safety index vector ψ m Specifically:

[0012] ψ m =[ψ m,1 ψ m,2 …ψ m,n ]

[0013] Among them, {ψ m,n ,m=1,...,C,n=1,...,Z} represents the nth security index value from the mth layer, C represents the number of layers, and Z represents the number of security indicators;

[0014] According to the safety index vector, a three-level safety index hierarchy model is established, which is expressed as:

[0015] Ψ p =(ψ1ψ2…ψ m )

[0016] =(ψ 1,1 ψ 1,2 …ψ 1,n …ψ m,1 ψ m,2 …ψ m,n )

[0017] Among them, p It is the three-level safety indicator hierarchical model of project p.

[0018] In one embodiment, the evaluation data of the third-level safety index constitutes a matrix T3, which is expressed as:

[0019]

[0020] Among them, τ m,n represents the nth security index ψ of the mth layer m,n The evaluation data value of is expressed as:

[0021]

[0022] Among them, τ m,n ∈[1,5].

[0023] In one implementation, based on the evaluation data of the third-level safety indicators, a third-level safety indicator evaluation model is constructed, including:

[0024] Based on the evaluation data of the third-level safety indicators, the set indicator weight vector and evaluation vector, a risk comprehensive evaluation value calculation model for the third-level safety indicators is constructed;

[0025] Based on the set indicator weight vector, evaluation vector and the membership degree of the third-level safety indicator pair, a risk comprehensive assessment value calculation model for the second-level safety indicator is constructed;

[0026] Based on the set evaluation vector and the membership of the secondary level safety indicators to the evaluation level, a risk comprehensive evaluation value calculation model for the primary project safety indicators is constructed;

[0027] A three-level safety indicator assessment model is constructed based on the risk comprehensive assessment value calculation model for the third-level safety indicators, the risk comprehensive assessment value calculation model for the second-level safety indicators, and the risk comprehensive assessment value calculation model for the first-level project safety indicators.

[0028] In one embodiment, the risk comprehensive assessment value calculation model of the three-level safety indicators is constructed as follows:

[0029] R z =Ω3L3G

[0030] Among them, R z is the comprehensive risk assessment value of the three-level safety index, Ω3 is the weight vector of the three-level safety index, Ω3=[ω1ω2…ω n ],ω n is the nth safety indicator weight, expressed as Z represents the total number of safety indicators, E n is the data information entropy value, expressed as: τ n ,

[0031] L3 is a three-level evaluation matrix, expressed as:

[0032]

[0033] l i,j is the evaluation data τ i,j For the membership degree of the jth indicator, count(τ i,j ) represents the evaluation data τ in the jth indicator i,j The number of occurrences, G is the evaluation vector.

[0034] In one embodiment, the risk comprehensive assessment value calculation model of the secondary level safety indicator is constructed as follows:

[0035] R c =Ω2L2G

[0036] Among them, R c is the comprehensive risk assessment value of the secondary level safety index, Ω2 is the weight vector of the secondary level safety index, represents the weight of the mth level, G is the evaluation vector, and L2 is the secondary evaluation matrix, which can be expressed as: It represents the membership degree of the third-level security index to the level q, expressed as: a and b represent the starting and ending serial numbers of the third-level safety indicators at the mth level, respectively.

[0037] In one implementation, the risk comprehensive assessment value calculation model of the first-level project safety index is constructed as follows:

[0038] R p =L1G

[0039] Among them, G is the evaluation vector, L1 is the first-level evaluation matrix, expressed as: It represents the membership of the secondary level safety index to the assessment level k, expressed as: a and b represent the starting and ending serial numbers of the third-level safety indicators at the mth level, respectively.

[0040] In one implementation, a three-level safety indicator assessment model is used to conduct a comprehensive risk assessment of a project, including:

[0041] According to the three-level safety indicator assessment model, the comprehensive risk assessment value of the third-level safety indicator, the comprehensive risk assessment value of the second-level safety indicator, and the comprehensive risk assessment value of the first-level project safety indicator are calculated respectively;

[0042] Based on the comprehensive risk assessment value of the third-level safety indicators, the comprehensive risk assessment value of the second-level safety indicators and the comprehensive risk assessment value of the first-level project safety indicators, the comprehensive assessment value of the project safety risk is obtained, and the comprehensive risk assessment result of the project is obtained.

[0043] Based on the same inventive concept, the second aspect of the present invention provides a risk assessment system based on project safety indicators, comprising:

[0044] The three-level safety indicator hierarchical model establishment module is used to establish a three-level safety indicator hierarchical model based on the safety indicator data collected from the project at the resource environment, social economy, and project operation risk levels. The three-level safety indicator hierarchical model is a project-level-indicator hierarchical model;

[0045] The third-level safety indicator evaluation data collection module is used to collect evaluation data of the third-level safety indicators according to the subordinate relationship of the three-level safety indicators in the three-level safety indicator hierarchy model, wherein the first level is the project, the second level is the risk level, and the third level is the safety indicator. The subordinate relationship of the three-level safety indicators includes that the safety indicator is subordinate to the risk level, and the risk level is subordinate to the project;

[0046] A three-level safety indicator evaluation model construction module is used to construct a three-level safety indicator evaluation model based on the evaluation data of the third-level safety indicator;

[0047] Comprehensive risk assessment module, used to conduct comprehensive risk assessment of projects using a three-level safety indicator assessment model

[0048] Based on the same inventive concept, the third aspect of the present invention provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the risk assessment method based on project safety indicators described in the first aspect is implemented.

[0049] Compared with the prior art, the advantages and beneficial technical effects of the present invention are as follows:

[0050] The present invention proposes a risk assessment method based on project safety indicators, collects safety indicator data at risk levels including resource environment, social economy, project operation, etc., considers safety indicators at multiple risk levels, and establishes a three-level safety indicator hierarchical model. On this basis, according to the subordinate relationship of the three-level safety indicators in the three-level safety indicator hierarchical model, the evaluation data of the third-level safety indicators is collected, and then based on the evaluation data of the third-level safety indicators, a multi-level safety indicator evaluation model is constructed; finally, the three-level safety indicator evaluation model is used to conduct a comprehensive risk assessment of the project, so that an accurate risk assessment of the project can be conducted. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0052] Figure 1 An overall flow chart of a risk assessment method based on project safety indicators provided by an embodiment of the present invention;

[0053] Figure 2 A structural diagram of a risk assessment system based on project safety indicators provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0054] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0055] Embodiment 1

[0056] The present invention discloses a risk assessment method based on project safety indicators, see Figure 1 ,include:

[0057] S1: Based on the safety indicator data collected from the project at the resource environment, social economy, and project operation risk levels, a three-level safety indicator hierarchy model is established, where the three-level safety indicator hierarchy model is a project-level-indicator hierarchy model;

[0058] S2: According to the subordinate relationship of the three-level safety indicators in the three-level safety indicator hierarchy model, the evaluation data of the third-level safety indicators are collected, wherein the first level is the project, the second level is the risk level, and the third level is the safety indicator. The subordinate relationship of the three-level safety indicators includes that the safety indicator is subordinate to the risk level, and the risk level is subordinate to the project;

[0059] S3: Based on the evaluation data of the third-level safety indicators, a three-level safety indicator evaluation model is constructed;

[0060] S4: Use the three-level safety indicator assessment model to conduct a comprehensive risk assessment of the project.

[0061] During the specific implementation process, the safety indicators at the resource environment, social economy, and project operation risk levels in step S1 are shown in Table 1.

[0062] Table 1 Three-level safety indicators

[0063]

[0064]

[0065] In one embodiment, step S1 establishes a safety index vector ψ based on the risk level m of key project resources and environment, social economy, project operation, etc. m , expressed as:

[0066] ψ m =[ψ m,1 ψ m,2 … ψ m,n ] (1)

[0067] Among them, {ψ m,n ,m=1,...,C,n=1,...,Z} is the nth safety indicator value from the mth layer, C represents the number of layers, and Z represents the number of safety indicators. Safety indicators at the same risk level are stored in a database named after project p. p In the above, a hierarchical model of “project-level-indicator” is constructed, which can be expressed as:

[0068]

[0069] In one embodiment, based on the three-level security indicator hierarchy database Ψ pCollect the evaluation data of the third-level safety indicators by the project management implementation personnel m , forming a matrix Τ3, expressed as:

[0070]

[0071] Among them, τ m,n ∈[1,5] is the nth security index ψ of the mth layer m,n Evaluate the data value, expressed as:

[0072]

[0073]

[0074] In one embodiment, step S4 includes:

[0075] According to the three-level safety indicator assessment model, the comprehensive risk assessment value of the third-level safety indicator, the comprehensive risk assessment value of the second-level safety indicator, and the comprehensive risk assessment value of the first-level project safety indicator are calculated respectively;

[0076] Based on the comprehensive risk assessment value of the third-level safety indicators, the comprehensive risk assessment value of the second-level safety indicators and the comprehensive risk assessment value of the first-level project safety indicators, the comprehensive assessment value of the project safety risk is obtained, and the comprehensive risk assessment result of the project is obtained.

[0077] In the specific implementation process, the comprehensive risk assessment value R of the three-level safety indicators is first calculated. z , expressed as:

[0078] R z =Ω3L3G (6)

[0079] Ω3 is the weight vector of the third-level safety index, expressed as:

[0080] Ω3=[ω1 ω2 … ω n ] (7)

[0081] Among them, ω n is the nth safety index weight, expressed as:

[0082]

[0083] Among them, Z represents the total number of safety indicators, E n is the data information entropy value, expressed as:

[0084]

[0085] L3 is a three-level evaluation matrix, expressed as:

[0086]

[0087] Among them, l i,j is the evaluation data τ i,j The membership degree of the jth index is expressed as:

[0088]

[0089] Among them, count() represents the evaluation data τ in the jth indicator i,j Number of occurrences.

[0090] G is the evaluation vector, expressed as:

[0091] G = [20 40 60 80 100] T (12)

[0092] Then, the comprehensive risk assessment value R of the secondary level safety index is calculated c , expressed as:

[0093] R c =Ω2L2G (13)

[0094] Ω2 is the weight vector of the secondary level security index, expressed as:

[0095]

[0096] in, It represents the weight of the mth level, which is obtained by calculating the sum of the weights of the three-level safety indicators of the mth level in Ω3, and is expressed as:

[0097]

[0098] Among them, a and b represent the starting and ending serial numbers of the third-level safety indicators at the mth level respectively.

[0099] L2 is the secondary evaluation matrix, expressed as:

[0100]

[0101] in, It represents the membership degree of the third-level security index to the level q, expressed as:

[0102]

[0103] Among them, a and b represent the starting and ending serial numbers of the third-level safety indicators at the mth level respectively.

[0104] Finally, calculate the comprehensive risk assessment value R of the first-level project safety index p , expressed as:

[0105] R p=L1G (18)

[0106] L1 is the first-level evaluation matrix, expressed as:

[0107]

[0108] in, It represents the membership of the secondary level safety index to the assessment level k, expressed as:

[0109]

[0110] Among them, a and b represent the starting and ending serial numbers of the third-level safety indicators at the mth level, respectively. Finally, the comprehensive assessment value of project safety risk can be obtained by combining the “project-level-indicator risk value”.

[0111] Among them, in the specific implementation, the project-level-indicator hierarchical model takes three levels, each level containing three indicators as an example to illustrate the specific calculation process of the risk assessment method based on project safety indicators. For details, please refer to Table 2 and Table 3.

[0112] Table 2 Calculation of three-level risk assessment values

[0113]

[0114]

[0115] Table 3 Calculation of secondary risk assessment value and primary risk assessment value

[0116]

[0117] Among them, according to the subordinate relationship of the three-level safety indicators in the three-level safety indicator hierarchical model, the evaluation data of the third-level safety indicators is collected and expressed by formula (3). Formula (9) represents the three-level evaluation matrix, and the risk comprehensive evaluation value calculation model of the three-level safety indicators, the risk comprehensive evaluation value calculation model of the second-level safety indicators, and the risk comprehensive evaluation value calculation model of the first-level project safety indicators are formula (5), formula (12) and formula (17) respectively.

[0118] Embodiment 2

[0119] Based on the same inventive concept, this embodiment discloses a risk assessment system based on project safety indicators, see Figure 2 ,include:

[0120] The three-level safety indicator hierarchical model establishment module 201 is used to establish a three-level safety indicator hierarchical model based on the safety indicator data collected from the project at the resource environment, social economy, and project operation risk levels, wherein the three-level safety indicator hierarchical model is a project-level-indicator hierarchical model;

[0121] The third-level safety indicator evaluation data collection module 202 is used to collect evaluation data of the third-level safety indicator according to the subordinate relationship of the three-level safety indicators in the three-level safety indicator hierarchy model, wherein the first level is the project, the second level is the risk level, and the third level is the safety indicator. The subordinate relationship of the three-level safety indicators includes that the safety indicator is subordinate to the risk level, and the risk level is subordinate to the project;

[0122] A three-level safety index evaluation model construction module 203 is used to construct a three-level safety index evaluation model based on the evaluation data of the third-level safety index;

[0123] The comprehensive risk assessment module 204 is used to conduct a comprehensive risk assessment on the project using a three-level safety indicator assessment model.

[0124] Since the system introduced in the second embodiment of the present invention is a system used to implement the risk assessment method based on project safety indicators in the first embodiment of the present invention, based on the method introduced in the first embodiment of the present invention, the person skilled in the art can understand the specific structure and deformation of the system, so it is not repeated here. All systems used in the method in the first embodiment of the present invention belong to the scope of protection of the present invention.

[0125] Embodiment 3

[0126] The present invention also provides a computer device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the method described in Embodiment 1 when executing the program.

[0127] Since the computer device introduced in the third embodiment of the present invention is the computer device used to implement the risk assessment method based on project safety indicators in the first embodiment of the present invention, the person skilled in the art can understand the specific structure and deformation of the computer device based on the method introduced in the first embodiment of the present invention, so it is not repeated here. All computer devices used in the method of the first embodiment of the present invention belong to the scope of protection of the present invention.

[0128] Those skilled in the art will appreciate that embodiments of the present invention may be provided as methods, systems, or computer program products. Therefore, the present invention may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present invention may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0129] The present invention is described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present invention. It should be understood that each process and / or block in the flowchart and / or block diagram, as well as the combination of processes and / or blocks in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor, or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0130] Although preferred embodiments of the present invention have been described, additional changes and modifications may be made to these embodiments by those skilled in the art once the basic creative concepts are known. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention. Obviously, those skilled in the art may make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if these modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A risk assessment method based on project safety indicators, characterized in that: include: According to the safety indicator data collected from the project at the resource environment, social economy, and project operation risk levels, a three-level safety indicator hierarchy model is established, where the three-level safety indicator hierarchy model is a project-level-indicator hierarchy model; According to the subordinate relationship of the three-level safety indicators in the three-level safety indicator hierarchy model, the evaluation data of the third-level safety indicators are collected, wherein the first level is the project, the second level is the risk level, and the third level is the safety indicator. The subordinate relationship of the three-level safety indicators includes that the safety indicator is subordinate to the risk level, and the risk level is subordinate to the project; Based on the evaluation data of the third-level safety indicators, a three-level safety indicator evaluation model is constructed; A three-level safety indicator assessment model is used to conduct a comprehensive risk assessment of the project.

2. The risk assessment method based on project safety indicators according to claim 1, characterized in that: Based on the safety indicator data collected from the project at the resource environment, social economy, and project operation risk levels, a three-level safety indicator hierarchy model is established, including: The safety index data of the project in terms of resource environment, social economy, and project operation risk are used and constructed into a safety index vector. The safety index vector ψ m Specifically: ψ m =[ψ m,1 ψ m,2 …ψ m,n ] Among them, {ψ m,n ,m=1,...,C,n=1,...,Z} represents the nth security index value from the mth layer, C represents the number of layers, and Z represents the number of security indicators; According to the safety index vector, a three-level safety index hierarchy model is established, which is expressed as: P p =(ψ1ψ2…ψ m ) =(ψ 1,1 ψ 1,2 …ψ 1,n …ψ m,1 ψ m,2 …ψ m,n ) Among them, p It is the three-level safety indicator hierarchical model of project p.

3. The risk assessment method based on project safety indicators according to claim 1, characterized in that: The evaluation data of the third-level safety indicators constitutes the matrix T3, which is expressed as: Among them, τ m,n represents the nth security index ψ of the mth layer m,n The evaluation data value of is expressed as: Among them, τ m,n ∈[1,5].

4. The risk assessment method based on project safety indicators according to claim 1, characterized in that: Based on the evaluation data of the third-level safety indicators, a three-level safety indicator evaluation model is constructed, including: Based on the evaluation data of the third-level safety indicators, the set indicator weight vector and evaluation vector, a risk comprehensive evaluation value calculation model for the third-level safety indicators is constructed; Based on the set indicator weight vector, evaluation vector and the membership degree of the third-level safety indicator pair, a risk comprehensive assessment value calculation model for the second-level safety indicator is constructed; Based on the set evaluation vector and the membership of the secondary level safety indicators to the evaluation level, a risk comprehensive evaluation value calculation model for the primary project safety indicators is constructed; A three-level safety indicator assessment model is constructed based on the risk comprehensive assessment value calculation model for the third-level safety indicators, the risk comprehensive assessment value calculation model for the second-level safety indicators, and the risk comprehensive assessment value calculation model for the first-level project safety indicators.

5. The risk assessment method based on project safety indicators according to claim 4 is characterized in that: The calculation model of the comprehensive risk assessment value of the three-level safety indicators is constructed as follows: R z =Ω3L3G Among them, R z is the comprehensive risk assessment value of the three-level safety index, Ω3 is the weight vector of the three-level safety index, Ω3=[ω1ω2…ω n ],ω n is the nth safety indicator weight, expressed as Z represents the total number of safety indicators, E n is the data information entropy value, expressed as: τ n represents the evaluation data of the nth safety indicator, L3 is a three-level evaluation matrix, expressed as: l i,j is the evaluation data τ i,j For the membership degree of the jth indicator, count(τ i,j ) represents the evaluation data τ in the jth indicator i,j The number of occurrences, G is the evaluation vector.

6. The risk assessment method based on project safety indicators according to claim 4 is characterized in that: The calculation model for the comprehensive risk assessment value of the secondary level safety indicators is constructed as follows: R c =Ω2L2G Among them, R c is the comprehensive risk assessment value of the secondary level safety index, Ω2 is the weight vector of the secondary level safety index, represents the weight of the mth level, G is the evaluation vector, and L2 is the secondary evaluation matrix, which can be expressed as: It represents the membership degree of the third-level security index to the level q, expressed as: a and b represent the starting and ending numbers of the third-level safety indicators at the qth level, respectively.

7. The risk assessment method based on project safety indicators according to claim 6 is characterized in that: The calculation model for the comprehensive risk assessment value of the first-level project safety indicators is constructed as follows: R p =L1G Among them, G is the evaluation vector, L1 is the first-level evaluation matrix, expressed as: It represents the membership of the secondary level safety index to the evaluation level k, which is expressed as: a and b represent the starting and ending serial numbers of the third-level safety indicators at the mth level, respectively.

8. The risk assessment method based on project safety indicators according to claim 1, characterized in that: A three-level safety indicator assessment model is used to conduct a comprehensive risk assessment of the project, including: According to the three-level safety indicator assessment model, the comprehensive risk assessment value of the third-level safety indicator, the comprehensive risk assessment value of the second-level safety indicator, and the comprehensive risk assessment value of the first-level project safety indicator are calculated respectively; Based on the comprehensive risk assessment value of the third-level safety indicators, the comprehensive risk assessment value of the second-level safety indicators and the comprehensive risk assessment value of the first-level project safety indicators, the comprehensive assessment value of the project safety risk is obtained, and the comprehensive risk assessment result of the project is obtained.

9. A risk assessment system based on project safety indicators, characterized in that: include: The three-level safety indicator hierarchical model establishment module is used to establish a three-level safety indicator hierarchical model based on the safety indicator data collected from the project at the resource environment, social economy, and project operation risk levels. The three-level safety indicator hierarchical model is a project-level-indicator hierarchical model; The third-level safety indicator evaluation data collection module is used to collect evaluation data of the third-level safety indicators according to the subordinate relationship of the three-level safety indicators in the three-level safety indicator hierarchy model, wherein the first level is the project, the second level is the risk level, and the third level is the safety indicator. The subordinate relationship of the three-level safety indicators includes that the safety indicator is subordinate to the risk level, and the risk level is subordinate to the project; A three-level safety indicator evaluation model construction module is used to construct a three-level safety indicator evaluation model based on the evaluation data of the third-level safety indicator; The comprehensive risk assessment module is used to conduct a comprehensive risk assessment of the project using a three-level safety indicator assessment model.

10. A computer device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that: When the processor executes the program, the risk assessment method based on project safety indicators as described in any one of claims 1 to 8 is implemented.

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