CN116467878B

CN116467878B - Method, system, equipment and medium for detecting safety and health of assembled building

Info

Publication number: CN116467878B
Application number: CN202310440126.XA
Authority: CN
Inventors: 陈志实
Original assignee: Guangzhou Feigong Zhizao Construction Technology Co ltd
Current assignee: Guangzhou Feigong Zhizao Construction Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2024-01-26
Anticipated expiration: 2043-04-21
Also published as: CN116467878A

Abstract

The invention relates to the technical field of building detection, in particular to an assembled building safety and health detection method, system, equipment and medium, wherein the assembled building safety and health detection method comprises the steps of acquiring self-vibration parameters of an assembled building and wind tunnel test parameters of each structure node in real time to obtain surface component partition data of the assembled building; performing interpolation calculation on the wind pressure coefficient time interval of each face component area in the face component area data to obtain a single-node wind pressure coefficient time interval of each face component area; calculating the stressed subordinate areas of all nodes of the whole structure according to the single-node wind pressure coefficient time interval to obtain the whole wind pressure coefficient time interval in each face group partition; and carrying out equivalent surface wind pressure coefficient time course fitting treatment on the integral single-node wind pressure coefficient time course of each surface component area according to the integral wind pressure coefficient time course to obtain an equivalent wind vibration power analysis result of the assembled building surface component areas. The method has the effect of improving the calculation accuracy of the actual wind load born by the fabricated building.

Description

Method, system, equipment and medium for detecting safety and health of assembled building

Technical Field

The invention relates to the technical field of building detection, in particular to a method, a system, equipment and a medium for detecting safety and health of an assembled building.

Background

At present, the assembled building structure becomes the mainstream of the current building more and more due to the characteristics of convenient construction process, attractive appearance and the like, and simultaneously, higher requirements are also put forward on the wind resistance of the assembled building.

The existing wind vibration power calculation mode of the assembled building is generally based on static equivalent wind load to perform wind resistance safety design, and is combined with design parameter indexes of the assembled building in a static state in building structure load standard and roof structure wind load standard to perform wind vibration power calculation of the assembled building in the static state, however, in actual use, the assembled building structure often needs to face the use environments such as super strong typhoon weather, and wind vibration power analysis in the static state cannot be equivalently applied to the application scenes of the super strong typhoon weather.

How to perform relatively accurate wind vibration dynamic response analysis on the assembled building structure under the conditions that the wind vibration dynamic response of the assembled building is complex and the equivalent static wind load is unstable.

Disclosure of Invention

In order to improve the calculation accuracy of the actual bearing wind load of the fabricated building structure and effectively characterize wind-induced vibration response of the fabricated building, the application provides a method, a system, equipment and a medium for detecting safety and health of the fabricated building.

The first object of the present invention is achieved by the following technical solutions:

a method of safety and health detection for an assembled building, the method comprising:

acquiring self-vibration parameters of the fabricated building and wind tunnel test parameters of each structural node in real time to obtain surface component area data of the fabricated building;

performing interpolation calculation on the wind pressure coefficient time interval of each face component area in the face component area data to obtain a single-node wind pressure coefficient time interval of each face component area;

calculating the stressed subordinate areas of all nodes of the whole structure according to the single-node wind pressure coefficient time interval to obtain the whole wind pressure coefficient time interval in each face group partition;

and carrying out equivalent surface wind pressure coefficient time interval fitting treatment on the integral single-node wind pressure coefficient time interval of each surface component area according to the integral wind pressure coefficient time interval to obtain an equivalent wind vibration power analysis result of the assembled building surface component areas.

By adopting the technical proposal, the self-vibration frequency of the assembled building structure is relatively close to the excitation frequency of wind load, and the assembled building structure is usually in a nonlinear structure, thereby determining that the pulsation wind-induced vibration response of the assembled building structure has certain randomness, therefore, the assembled building is subjected to surface component division through the self-vibration characteristic of the roof structure of the assembled building and the wind tunnel test parameters of each structural node by acquiring the self-vibration parameters of the assembled building and the wind tunnel test parameters of each structural node, the regional wind vibration analysis of the assembled building according to the surface component division data is facilitated, the single-node wind pressure coefficient time interval of each structural node is obtained by carrying out interpolation calculation on the wind-induced vibration condition suffered by each structural node, and the stress subordinate areas of all nodes of the whole structure, including the stress subordinate areas of the front and side elevation of the assembled building, are calculated to obtain the integral wind pressure coefficient time course of all the structure nodes, the integral wind pressure coefficient time course of the structure is obtained through independent calculation of single structure nodes, the complex wind vibration power response is calculated in a regional mode, the calculation efficiency of the wind vibration power response of the assembled building structure is improved, the equivalent surface wind pressure coefficient time course fitting processing is carried out on the integral wind pressure coefficient time course of the face component area according to the integral wind pressure coefficient time course, the uncertainty of the equivalent static wind load of the assembled building face component area is reduced according to the equivalent surface wind pressure coefficient time course fitting result, and therefore the accuracy of wind vibration power analysis on the integral equivalent of the assembled building face component area is improved.

The present application may be further configured in a preferred example to: the method comprises the steps of acquiring self-vibration parameters of the fabricated building and wind tunnel test parameters of each structural node in real time to obtain surface component zone data of the fabricated building, and specifically comprises the following steps:

acquiring structural node geometric distribution data and wind tunnel test measuring point geometric distribution data of an assembled building in real time;

according to the geometric distribution data of the structural nodes and the geometric distribution data of the wind tunnel test measuring points, analyzing the current wind pressure distribution condition of the fabricated building in real time to obtain wind pressure distribution data;

and carrying out equivalent surface component partition processing on all structural nodes of the assembled building according to the wind pressure distribution data to obtain surface component partition data of the assembled building.

By adopting the technical scheme, the current wind pressure distribution situation of the assembled building is analyzed in real time through the structural node geometric distribution data representing the structural node geometric distribution situation of the assembled building and the wind tunnel test measurement point geometric distribution data corresponding to the geometric position distribution situation of the wind tunnel test measurement points, so that the wind pressure distribution data of the whole assembled building is obtained through the analysis of the wind pressure stress situation of each wind tunnel test measurement point, the whole wind pressure distribution rule of the whole assembled building is represented through the wind pressure stress situations of the wind tunnel test measurement points of a plurality of surface component areas, the analysis accuracy of the wind pressure distribution rule is improved, and the equivalent surface component area processing is carried out on all structural nodes of the assembled building according to the wind pressure distribution data, so that the wind pressure time course of the whole assembled building is analyzed according to the equivalent surface component areas, the workload when the whole assembled building structure is analyzed is lightened, the wind vibration time course of the whole assembled building is represented through the analysis result of the equivalent surface component areas, the wind pressure time course grouping calculation is carried out from a plurality of structural nodes, and the reliability of the whole wind vibration of the assembled building is improved.

The present application may be further configured in a preferred example to: the interpolating calculation is performed on the wind pressure coefficient time interval of each surface component area in the surface component area data to obtain a single-node wind pressure coefficient time interval of each surface component area, and the method specifically comprises the following steps:

acquiring an overall node geometric distribution matrix of all structural nodes of the assembled building and an overall wind tunnel geometric distribution coordinate matrix of all wind tunnel test measuring points;

performing interpolation calculation on the wind pressure coefficient time interval of the integral node geometric distribution matrix and the integral wind tunnel geometric distribution coordinate matrix to obtain a wind pressure interpolation matrix of the fabricated building;

and carrying out interpolation calculation on the wind pressure coefficient time courses of the single-group wind tunnel test measuring points of each surface component area according to the wind pressure interpolation matrix to obtain the single-node wind pressure coefficient time courses of each structural node of each surface component area.

By adopting the technical scheme, because different assembled building structures have structural differences, the wind pressure coefficient time course can only carry out loading calculation on each structural node or each surface component area, the wind pressure coefficient time course born by different structural nodes has differences, the wind tunnel test obtains only limited measuring point wind pressure coefficient time courses, the number of the structural nodes is far greater than that of wind tunnel test measuring points, therefore, the position distribution condition of all structural nodes is represented by the overall geometric coordinate distribution matrix of all structural nodes of the assembled building, the position distribution condition of all wind tunnel test measuring points is represented by the overall geometric distribution coordinate matrix of all wind tunnel test measuring points, the wind induced vibration condition of the whole structure of the assembled building is represented by a plurality of structural nodes and a plurality of wind tunnel test measuring points, the wind pressure interpolation matrix for representing the whole wind induced vibration condition of the assembled building is obtained by the interpolation calculation of the wind pressure coefficient time courses of all structural nodes, the wind pressure coefficient time course of each surface component area is convenient to carry out interpolation calculation on the wind pressure coefficient time course of each structural node of each surface component area, and the wind pressure coefficient of each structural node is convenient to calculate the wind pressure coefficient of each surface component area in a comprehensive mode, and the wind pressure coefficient of each wind pressure coefficient of the wind path is convenient to calculate the wind pressure coefficient of each wind coefficient of the wind path of the whole node of the assembled building in a comprehensive mode.

The present application may be further configured in a preferred example to: performing interpolation calculation on the wind pressure coefficient time interval of the integral node geometric coordinate distribution matrix and the integral wind tunnel geometric distribution coordinate matrix to obtain a wind pressure interpolation matrix of the fabricated building, wherein the method specifically comprises the following steps of:

according to a preset interpolation function equation, performing interpolation calculation on all wind tunnel test measuring points of each structural node of the fabricated building to obtain a single-node wind pressure interpolation function value of the single-node wind tunnel test measuring point;

constructing a corresponding relation between each structural node and a wind tunnel test measuring point according to the single-node wind pressure interpolation function value to obtain a node wind tunnel association relation;

when the single-node wind pressure interpolation function value is at a preset minimum threshold value, calculating a single-point wind pressure coefficient time interval of each wind tunnel test measuring point;

and carrying out wind pressure interpolation calculation according to the single-point wind pressure coefficient time interval and the node wind tunnel association relation to obtain a wind pressure interpolation matrix of the fabricated building.

By adopting the technical scheme, through a preset interpolation function equation, each structural node traverses all wind tunnel test measuring points to carry out interpolation operation, thereby obtaining a single-node wind pressure interpolation function value of each wind tunnel test measuring point, the method is beneficial to evaluating the wind pressure stress condition of the whole fabricated building surface group partition according to the single-node wind pressure interpolation function value, and the wind pressure corresponding relation between each structural node and the wind tunnel test measuring point is constructed according to the single-node wind pressure interpolation function value, so that the wind pressure interpolation matrix of the fabricated building structure is obtained according to the node association relation, when the node wind pressure interpolation function value is at the preset minimum threshold, the wind pressure coefficient time course of the wind tunnel test measuring point is assigned to the corresponding wind receiving structure node, the single-point wind pressure coefficient time course of each wind tunnel test measuring point is calculated, the nonlinear error caused by the instability of static wind load is reduced, the calculation accuracy of the single-point wind pressure coefficient time course of each structural node is improved, the wind pressure interpolation calculation is carried out according to the single-point wind pressure coefficient time course of each structural node, the wind pressure interpolation matrix used for representing the wind vibration response condition of the whole fabricated building surface group partition, and the wind pressure response accuracy of the fabricated building surface group vibration analysis is improved through the wind pressure interpolation matrix of the wind pressure corresponding wind tunnel test structure partition.

The present application may be further configured in a preferred example to: calculating the stress subordinate areas of all nodes of the whole structure according to the single-node wind pressure coefficient time interval to obtain the whole wind pressure coefficient time interval in each face group partition, and further comprising:

according to the stress subordinate areas of each structural node, a structural node stress subordinate area matrix of all the structural nodes is obtained;

carrying out vector product calculation processing on the stress subordinate areas of the structural nodes and the wind pressure interpolation matrix to obtain wind load interpolation matrices of all structural nodes of the fabricated building;

acquiring an integral node wind pressure coefficient time interval matrix of all structural nodes of the fabricated building and an integral wind tunnel wind pressure coefficient time interval matrix of all wind tunnel test points;

and constructing a time-course conversion relation between structural nodes of the fabricated building and wind tunnel test point wind pressure coefficient time courses according to the wind load interpolation matrix, the integral node wind pressure coefficient time course matrix and the integral wind tunnel wind pressure coefficient time course matrix.

According to the technical scheme, the stress slave area matrix of the structural nodes of all structural nodes is calculated through the stress slave area of each structural node, single-point analysis is conducted on wind induced vibration influence suffered by the face component area according to the size of the stress slave area, vector product calculation processing is conducted according to the stress slave area of the structural nodes and the wind pressure interpolation matrix, the wind load interpolation matrix of all structural nodes of the assembled building is obtained, regional analysis is conducted on wind load conditions suffered by the whole assembled building, wind load calculation accuracy of the face component area is improved, the integral wind pressure coefficient time interval matrix of all structural nodes of the assembled building and the integral wind tunnel wind pressure coefficient time interval matrix of all wind tunnel test points are obtained through representation, comprehensive evaluation is conducted on integral wind pressure coefficient time intervals of the face component area of the assembled building, and a time interval conversion relation between structural nodes of the assembled building and wind tunnel test point coefficient time intervals is constructed through the wind load interpolation matrix and the integral wind tunnel wind pressure coefficient time interval matrix, and the wind pressure coefficient conversion relation between the wind pressure coefficient time interval coefficient of the wind tunnel test points of the assembled building, and the wind load coefficient test point coordinate calculation degree of the wind tunnel test point is improved, and the actual wind force coefficient test point time interval of the assembled building is calculated.

The present application may be further configured in a preferred example to: performing equivalent surface wind pressure coefficient time interval fitting processing on the integral single-node wind pressure coefficient time interval of each surface component area according to the integral wind pressure coefficient time interval to obtain an equivalent wind vibration power analysis result of the assembled building surface component area, wherein the method specifically comprises the following steps:

acquiring structural node wind pressure parameters of all structural nodes of the fabricated building;

performing equivalent plane wind pressure coefficient time interval fitting processing according to the structural node wind pressure parameters and the integral wind pressure coefficient time interval to obtain an equivalent plane wind pressure coefficient time interval fitting result;

calculating the wind pressure coefficient time interval of each surface group according to the fitting result of the wind pressure coefficient time interval of the equivalent surface, and obtaining wind pressure coefficient time interval matrixes of all the surface group;

and calculating the dynamic wind load time course of each face component area according to the wind pressure coefficient time course matrix to obtain an equivalent wind vibration dynamic analysis result of the assembled building face component areas.

According to the technical scheme, wind vibration response characteristics of the whole structure of the assembled building are obtained through obtaining the structure node wind pressure parameters representing the self-vibration characteristics of the assembled building structure, equivalent surface wind pressure coefficient time course fitting processing is carried out according to the structure node wind pressure parameters and the whole wind pressure coefficient time course, the whole analysis and calculation are carried out on the comprehensive wind vibration condition of the whole assembled building according to the equivalent surface wind pressure coefficient time course fitting result, the calculation workload of wind vibration time course analysis of the assembled building surface group partition is reduced, the surface group wind pressure coefficient time course of all the surface group partition is calculated according to the equivalent surface wind pressure coefficient time course fitting result, the wind pressure coefficient time course matrix of each surface group partition is obtained, accurate calculation is facilitated for the single-group wind pressure coefficient time course of each surface group partition, the power wind load time course of each surface group partition is calculated through the calculation of the power wind load time course of all the surface group partition, the wind vibration dynamic analysis of the assembled building is carried out equivalently, the wind vibration dynamic analysis of the whole assembled building is carried out through the calculation of the structure node wind load time course of the whole surface group partition, the wind vibration dynamic analysis of the whole assembled building structure is improved, and the wind vibration response performance of the whole assembled building is improved.

The present application may be further configured in a preferred example to: performing equivalent surface wind pressure coefficient time interval fitting processing on the integral single-node wind pressure coefficient time interval of each surface component area according to the integral wind pressure coefficient time interval to obtain an equivalent wind vibration power analysis result of the assembled building surface component area, and further comprising:

obtaining equivalent static wind load parameters of each face group partition;

performing batch editing processing on the equivalent static wind load parameters to obtain a partitioned static wind load batch processing result of all the surface group partitions;

obtaining a partition displacement wind vibration coefficient and a surface group body type coefficient of each surface group partition;

and calculating equivalent static wind load application parameters according to the partition displacement wind vibration coefficient, the panel body type coefficient and the partition static wind load batch processing result to obtain a static wind vibration response analysis result of the panel component of the assembled building.

By adopting the technical scheme, the equivalent static wind load condition of each face component area is subjected to targeted analysis through the acquisition of the equivalent static wind load parameter representing the vibration frequency of the assembled building structure, the time course of wind vibration response analysis of the assembled building face component area is shortened through the batch editing processing of the equivalent static wind load parameter, the wind vibration time course analysis efficiency of the assembled building face component area is improved, the regional displacement wind vibration coefficient representing the displacement condition of each face component area under the influence of wind vibration is acquired, the regional wind displacement effect condition of each face component area is calculated through the acquisition of the regional displacement wind vibration coefficient representing the structural body type condition of each face component area, and the integral static wind load application parameter of the assembled building face component area is calculated through the regional displacement wind vibration coefficient, the regional body type coefficient and the regional static wind load batch processing result, so that the integral static wind vibration response analysis result for comprehensively analyzing the static wind vibration response condition of the assembled building face component area is obtained, and the integral wind vibration analysis accuracy of the assembled building face component area under the static state is improved.

The second object of the present invention is achieved by the following technical solutions:

there is provided an assembled building safety and health detection system, the assembled building safety and health detection system comprising:

the surface component area load value module is used for acquiring the self-vibration parameters of the assembled building and the wind tunnel test parameters of each structure node in real time to obtain surface component area data of the assembled building;

the wind pressure interpolation matrix module is used for carrying out interpolation calculation on the wind pressure coefficient time course of each surface component area in the surface component area data to obtain a single-node wind pressure coefficient time course of each surface component area;

the stress subordinate area calculation module is used for calculating the stress subordinate areas of all nodes of the whole structure according to the single-node wind pressure coefficient time interval to obtain the whole wind pressure coefficient time interval in each face group partition;

and the wind pressure time interval batch application module is used for carrying out equivalent surface wind pressure coefficient time interval fitting processing on the integral single-node wind pressure coefficient time interval of each surface component area according to the integral wind pressure coefficient time interval to obtain an equivalent wind vibration power analysis result of the assembled building surface component areas.

The third object of the present application is achieved by the following technical solutions:

a computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, the processor implementing the steps of the above-described method of prefabricated building safety and health detection when the computer program is executed.

The fourth object of the present application is achieved by the following technical solutions:

a computer readable storage medium storing a computer program which when executed by a processor performs the steps of the above-described method of building safety and health detection.

In summary, the present application includes at least one of the following beneficial technical effects:

1. carrying out surface component division on the assembled building through the roof structure self-vibration characteristics and wind tunnel test results of the assembled building, carrying out regional wind vibration analysis on the assembled building according to surface component division data, carrying out interpolation calculation on wind pressure coefficient time courses of wind tunnel test points of each surface component division to obtain single-node wind pressure coefficient time courses of each structure node, carrying out accurate calculation on wind induced vibration conditions born by each structure node, carrying out calculation on stress dependent areas of all nodes of the whole structure, including stress dependent areas of front and side elevation of the assembled building, obtaining integral wind pressure coefficient time courses of all structure nodes, carrying out regional calculation on complex wind vibration power responses, improving wind vibration power response calculation efficiency of the assembled building structure, carrying out equivalent surface wind pressure coefficient time course fitting treatment on the integral wind pressure coefficient time courses of the assembled building according to the integral wind pressure coefficient time courses, and reducing equivalent wind load failure of the assembled building surface component division according to the equivalent surface wind pressure coefficient time course fitting results, thereby improving the accuracy of the equivalent wind force analysis of the integral wind force of the assembled building;

2. Analyzing the current wind pressure distribution situation of the assembled building in real time by the structural node geometric distribution data representing the structural node geometric position distribution situation of the assembled building and the wind tunnel test measurement point geometric distribution data corresponding to the geometric position distribution situation of the wind tunnel test measurement points, so that the wind pressure distribution data of the whole assembled building is obtained by analyzing the wind pressure stress situation of each wind tunnel test measurement point, the whole wind pressure distribution rule of the whole assembled building is represented by the wind pressure stress situation of the wind tunnel test measurement points of a plurality of surface component areas, the analysis accuracy of the wind pressure distribution rule is improved, and the equivalent surface component area processing is carried out on all structural nodes of the assembled building according to the wind pressure distribution data, so that the surface component wind pressure time course of the whole assembled building is analyzed according to the equivalent plurality of surface component areas, the workload when the whole large-span roof structure is analyzed is lightened, the wind vibration time course of the whole large-span roof structure is represented by the analysis result of the equivalent surface component areas, the wind pressure time course grouping calculation is carried out from the plurality of structural nodes, and the analysis reliability of the whole wind pressure vibration of the assembled building is improved;

3. The method comprises the steps of representing the position distribution situation of all structural nodes through an integral geometric coordinate distribution matrix of all structural nodes of the assembled building, representing the position distribution situation of all wind tunnel test measuring points through an integral geometric distribution coordinate matrix of all wind tunnel test measuring points, representing the wind-induced vibration situation of the whole structure of the whole assembled building through a plurality of structural nodes and a plurality of wind tunnel test measuring points, obtaining a wind pressure interpolation matrix representing the whole wind-induced vibration situation of the whole assembled building through interpolation calculation of wind pressure coefficient time courses of all structural nodes, and therefore facilitating interpolation calculation of wind pressure coefficient time courses of a single group of wind tunnel test measuring points of each face component area, obtaining a single node wind pressure coefficient time course of each structural node through an integral comprehensive wind pressure interpolation matrix, and improving calculation accuracy of wind pressure coefficient time courses caused by wind-induced vibration of the face component areas of the assembled building in multiple dimensions.

Drawings

Fig. 1 is a flowchart of an implementation of a method for detecting safety and health of an assembled building according to an embodiment of the present application.

Fig. 2 is a flowchart illustrating an implementation of step S10 in a method for detecting safety and health of an assembled building according to an embodiment of the present application.

Fig. 3 is a flowchart illustrating an implementation of step S20 in a method for detecting safety and health of an assembled building according to an embodiment of the present application.

Fig. 4 is a flowchart illustrating an implementation of step S202 in a method for detecting safety and health of an assembled building according to an embodiment of the present application.

Fig. 5 is a flowchart illustrating an implementation of step S30 in a method for detecting safety and health of an assembled building according to an embodiment of the present application.

Fig. 6 is a flowchart illustrating an implementation of step S40 in a method for detecting safety and health of an assembled building according to an embodiment of the present application.

Fig. 7 is a flowchart of another implementation of step S40 in a method for detecting safety and health of an assembled building according to an embodiment of the present application.

Fig. 8 is a schematic structural diagram of an assembled building safety and health detection system according to an embodiment of the present application.

FIG. 9 is a schematic diagram of a computer device in an embodiment of the present application.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

In one embodiment, as shown in fig. 1, the present application discloses a method for detecting safety and health of an assembled building.

S10: and acquiring the self-vibration parameters of the fabricated building and the wind tunnel test parameters of each structural node in real time to obtain the surface component area data of the fabricated building.

Specifically, as shown in fig. 2, step S10 specifically includes the following steps:

s101: and acquiring structural node geometric distribution data and wind tunnel test measuring point geometric distribution data of the fabricated building in real time.

Specifically, according to the roofing structure self-vibration characteristics and wind vibration stress conditions of the assembled building, the structure node geometric distribution conditions of the structure node self-vibration characteristics of the assembled building structure are obtained, so that the structure node geometric distribution data are obtained, and according to wind tunnel test results of wind tunnel test measuring points at each wind vibration stress node of the assembled building structure, the wind tunnel test measuring point geometric distribution data of the assembled building structure are obtained.

S102: and analyzing the current wind pressure distribution condition of the fabricated building in real time according to the structural node geometric distribution data and the wind tunnel test measuring point geometric distribution data to obtain wind pressure distribution data.

Specifically, according to structural node geometric distribution data and wind tunnel test measuring point geometric distribution data, carrying out real-time analysis on the current wind pressure distribution condition of the fabricated building, wherein the wind tunnel test measuring point geometric distribution data comprise wind pressure time course data measured in the wind tunnel test process, the structural node geometric distribution data comprise wind pressure and wind speed data of the height position of each structural node, the structural node wind pressure data are obtained through calculation according to the formula, and the formula is as follows:

Wherein omega _z Representing wind pressure, ω, at the location of the structural node at Z-height ₀ Represents the basic wind pressure, mu, of the position of the assembled building _z The wind pressure height change coefficient calculation coefficients under different landform categories are represented, kappa in the application refers to the wind pressure height change coefficient calculation coefficient of the assembled building at the Z height position, Z represents the height of a structural node of the assembled building structure, and alpha is the mass damping factor of the assembled building structure.

And calculating the wind pressure and wind speed of each structural node in real time through the height of the wind tunnel test measuring point of the structural node and the actual sampling time interval step length, so as to obtain wind pressure distribution data representing the current wind pressure distribution condition of the fabricated building.

S103: and carrying out equivalent surface component partition processing on all structural nodes of the assembled building according to the wind pressure distribution data to obtain surface component partition data of the assembled building.

Specifically, all structural nodes of the assembled building are subjected to equivalent surface group partition processing according to wind pressure distribution data, the structural nodes with the same wind-induced vibration stress condition are divided into the same equivalent surface group in an error range, and the surface group partition data of the whole assembled building structure are obtained according to analysis of the wind pressure distribution condition of all the structural nodes.

S20: and carrying out interpolation calculation on the wind pressure coefficient time interval of each face component area in the face component area data to obtain a single-node wind pressure coefficient time interval of each face component area.

Specifically, as shown in fig. 3, step S20 specifically includes the following steps:

s201: and acquiring an overall node geometric distribution matrix of all structural nodes of the fabricated building and an overall wind tunnel geometric distribution coordinate matrix of all wind tunnel test measuring points.

Specifically, an overall node geometric coordinate distribution matrix is obtained according to the geometric coordinate position of each structural node of the assembled building structure and the distribution condition on the assembled building overall structure, and an overall wind tunnel geometric distribution coordinate matrix is obtained according to the geometric coordinate position of each wind tunnel test measuring point and the distribution condition on the assembled building structure.

S202: and carrying out interpolation calculation on the wind pressure coefficient time interval on the integral node geometric distribution matrix and the integral wind tunnel geometric distribution coordinate matrix to obtain a wind pressure interpolation matrix of the fabricated building.

Specifically, as shown in fig. 4, step S202 specifically includes the following steps:

s301: and carrying out interpolation calculation on all wind tunnel test measuring points of each structural node of the fabricated building according to a preset interpolation function equation to obtain a single-node wind pressure interpolation function value of the single-node wind tunnel test measuring point.

Specifically, interpolation calculation is performed on the wind tunnel test measuring points of each structural node through a preset interpolation function equation, wherein the interpolation function value comprises interpolation function values in the front direction and the side elevation direction of the fabricated building, so that the single-node wind pressure interpolation function value of the single-node wind tunnel test measuring points of each structural node is obtained, the preset interpolation function equation is shown in a formula, and the formula is shown as follows:

wherein C is _ix 、C _iy 、C _iz Respectively representing geometrical position coordinate parameters of x-axis, y-axis and z-axis directions at a wind tunnel test measuring point i, J _jx 、J _jy 、J _jz Respectively representing geometric position coordinate parameters of x-axis, y-axis and z-axis directions at a structural node j, L _{Front face} 、L _{Side elevation} The interpolation function values in the directions of the front face and the side elevation of the wind tunnel test measuring point are respectively represented, and the variance of 0.01 is used for avoiding the phenomenon of calculation errors caused by complete superposition of the wind tunnel test measuring point and the structural node.

S302: and constructing a corresponding relation between each structural node and the wind tunnel test measuring point according to the single-node wind pressure interpolation function value to obtain a node wind tunnel association relation.

Specifically, a single-node wind pressure interpolation function value of each wind tunnel test point is edited through preset MATLAB software, wind vibration stress analysis is conducted by traversing all wind tunnel test points through each structural node, so that wind vibration stress conditions of each wind tunnel test point are obtained, a corresponding relation between each structural node and each wind tunnel test point is further constructed, an association relation between the nodes and the wind tunnel test points is obtained, and wind vibration stress conditions of each structural node are analyzed through the node wind tunnel association relation.

S303: when the single-node wind pressure interpolation function value is at a preset minimum threshold value, calculating a single-point wind pressure coefficient time interval of each wind tunnel test measuring point.

Specifically, when the single-node wind pressure interpolation function value is at the minimum threshold, namely the structural node is in a static state, the wind pressure coefficient time interval of the ith wind tunnel test point is assigned to the jth wind receiving node, the measured point pressure measurement data measured by the wind tunnel test points of each group of surface group partitions are used as the node wind pressure time interval, the wind pressure time interval of each surface group is calculated, and the wind pressure coefficient time interval at the position of the relative height reference node is obtained, so that the single-node wind pressure coefficient time interval of each structural node is obtained.

S304: and carrying out wind pressure interpolation calculation according to the single-point wind pressure coefficient time interval and the node wind tunnel association relation to obtain a wind pressure interpolation matrix of the fabricated building.

Specifically, according to the single-point wind pressure coefficient time interval and the node wind tunnel association relation, the geometric coordinate distribution matrix of all structural nodes and the geometric coordinate distribution matrix of all wind tunnel test measuring points are obtained, so that wind pressure interpolation calculation is carried out on the assembled building surface component area according to the geometric coordinate distribution matrix of all structural nodes and the geometric coordinate distribution matrix of all wind tunnel test measuring points, and a wind pressure interpolation matrix is obtained.

S203: and carrying out interpolation calculation on the wind pressure coefficient time courses of the single-group wind tunnel test measuring points of each surface component area according to the wind pressure interpolation matrix to obtain the single-node wind pressure coefficient time courses of each structural node of each surface component area.

Specifically, according to wind pressure time interval parameters measured by each wind tunnel test point and wind pressure interpolation matrixes of each surface group, carrying out interpolation calculation on wind pressure coefficient time intervals of single-group wind tunnel test points of each surface group partition through a preset interpolation function equation formula to obtain single-node wind pressure coefficient time intervals of each structural node in each surface group partition.

S30: and calculating the stressed subordinate areas of all nodes of the whole structure according to the single-node wind pressure coefficient time interval to obtain the whole wind pressure coefficient time interval in each surface group partition.

Specifically, in order to better accurately analyze the wind pressure coefficient time course after the fabricated building structure, as shown in fig. 5, step S30 includes the following steps:

s401: and obtaining a structure node stress slave area matrix of all the structure nodes according to the stress slave area of each structure node.

Specifically, consolidation processing is carried out on unit nodes of all surface component areas in MATLAB software, a pressure load of-1.0 kilopascal in the Z direction of a local coordinate system is applied to each structure node, an antigravity matrix in the three directions of an x axis, a y axis and a Z axis of the whole coordinate system of each node is obtained, a node stress dependent area matrix of each structure node in the three directions of the x axis, the y axis and the Z axis of the whole coordinate system is represented, the stress dependent area matrix is used for representing the stress dependent area of each structure node, and the whole wind pressure coefficient time course of all structure nodes is obtained according to calculation of the node stress dependent area of all structure nodes in the data of each surface component area.

S402: and carrying out vector product calculation processing on the stress subordinate areas of the structural nodes and the wind pressure interpolation matrix to obtain wind load interpolation matrices of all structural nodes of the fabricated building.

Specifically, a corresponding node stress slave area matrix is calculated according to the stress slave area of each structural node, a wind pressure interpolation matrix of each structural node is obtained according to the wind pressure interpolation matrix, and vector product operation processing is carried out on the node stress slave area matrix and the wind pressure interpolation matrix to obtain wind load interpolation matrices of all structural nodes of the large span roof.

S403: and acquiring an integral node wind pressure coefficient time interval matrix of all structural nodes of the fabricated building and an integral wind tunnel wind pressure coefficient time interval matrix of all wind tunnel test points.

Specifically, by combining the wind pressure characteristics of the structural nodes, an integral node wind pressure coefficient time interval matrix is obtained according to the wind pressure coefficient time interval of the single structural node of all the structural nodes, and an integral wind tunnel wind pressure coefficient time interval matrix is obtained according to the wind pressure coefficient time interval of all wind tunnel test points.

S404: and constructing a time-course conversion relation between structural nodes of the fabricated building and wind tunnel test point wind pressure coefficient time courses according to the wind load interpolation matrix, the integral node wind pressure coefficient time course matrix and the integral wind tunnel wind pressure coefficient time course matrix.

Specifically, according to the wind load interpolation matrix, the integral node wind pressure coefficient time interval matrix and the wind induced vibration response association relation between the integral wind tunnel wind pressure coefficient time interval matrix, the conversion relation between the structural nodes and the wind tunnel test measuring point wind pressure coefficient time interval is constructed, and therefore the time interval conversion relation between the structural nodes of the assembled building surface group partition and the wind tunnel test measuring point wind pressure coefficient time interval is obtained.

S40: and carrying out equivalent surface wind pressure coefficient time interval fitting treatment on the integral single-node wind pressure coefficient time interval of each surface component area according to the integral wind pressure coefficient time interval to obtain an equivalent wind vibration power analysis result of the assembled building surface component areas.

Specifically, as shown in fig. 6, step S40 specifically includes:

s501: and obtaining the structural node wind pressure parameters of all structural nodes of the fabricated building.

Specifically, according to the self-vibration characteristics of the structure at each structure node of the assembled building and wind vibration response characteristics generated by the influence of wind vibration response, the wind pressure parameters of the structure nodes of the assembled building are obtained, wherein the wind pressure parameters of the structure nodes comprise wind pressure coefficient time courses, measuring point average wind pressure coefficients, measuring point pulsation wind pressure coefficients and the like under the static state of wind tunnel test measuring points, and the wind vibration influence of each structure node position is represented according to different sample collecting positions.

The average wind pressure coefficient of the measuring point can be expressed by the following formula:

wherein C is ₁ Representing average wind pressure coefficient of measuring point C _p(t) And (3) representing a dimensionless wind pressure coefficient time course, wherein N represents the total sample node number, and t represents the sampling point position.

The measuring point pulsation wind pressure coefficient can be expressed by a formula, and the formula is as follows:

wherein C is ₂ And the measuring point pulsation wind pressure coefficient is represented.

S502: and carrying out equivalent surface wind pressure coefficient time interval fitting processing according to the structural node wind pressure parameters and the integral wind pressure coefficient time interval, and obtaining an equivalent surface wind pressure coefficient time interval fitting result.

Specifically, according to the wind pressure parameters of the structural nodes and the integral wind pressure coefficient time interval, wind induced vibration influence fitting treatment is carried out on each surface component area according to the relevance of wind pressure characteristics, and an equivalent surface wind pressure coefficient time interval fitting result used for representing the comprehensive wind induced vibration influence condition of the whole assembled building structure is obtained.

S503: and calculating the wind pressure coefficient time interval of each surface group according to the fitting result of the wind pressure coefficient time interval of the equivalent surface, and obtaining wind pressure coefficient time interval matrixes of all the surface group.

S504: and calculating the dynamic wind load time course of each face component area according to the wind pressure coefficient time course matrix to obtain an equivalent wind vibration dynamic analysis result of the assembled building face component areas.

Specifically, the definition of wind load in building structure load standard is combined, and the power wind load time course value of each face component area is calculated according to the wind pressure coefficient time course matrix.

In one embodiment, in order to analyze wind vibration force response of the large span roof structure from multiple latitudes, as shown in fig. 7, step S40 further includes:

s601: and obtaining equivalent static wind load parameters of each surface group partition.

Specifically, the equivalent static wind load parameter of each surface component area is obtained by wind vibration time interval analysis results of each surface component area and self-vibration characteristics of each surface component area in a static state, or the equivalent static wind load parameter of each surface component area is obtained by setting a plurality of wind tunnel test measuring points on structural nodes of each surface component area for static wind load test and average calculation according to the static wind load measurement results of each wind tunnel test measuring point.

S602: and carrying out batch editing treatment on the equivalent static wind load parameters to obtain the batch treatment results of the regional static wind loads of all the surface group regions.

Specifically, batch editing processing is performed on equivalent static wind load parameters through MATLAB software, wind-induced vibration influence application processing is performed on time-varying static load in combination with each face group wind pressure coefficient time interval, and therefore partitioning static wind load batch processing results of all face group partitions are achieved. And carrying out surface component partition treatment on the large-span cable roof according to the wind pressure time interval of each surface component partition, obtaining an equivalent static wind load through equivalent static load application treatment, carrying out batch treatment through MATLAB software, thus obtaining a surface component wind pressure coefficient time interval, and carrying out time-varying static load application by introducing the surface component wind pressure coefficient time interval through a preset instruction of the MATLAB software through time-varying static load application treatment, thus obtaining a partition static wind load batch treatment result of all the surface component partitions.

S603: and obtaining the partition displacement wind vibration coefficient and the surface group body type coefficient of each surface group partition.

Specifically, according to the most worth of wind displacement effect in each face component area, the wind vibration coefficient is displaced in the structural face component area, and according to the structural body type of the face component area and the wind tunnel test structure, the body type coefficient of the face component area is obtained, and meanwhile, the equivalent static wind load parameters of all the face component areas are obtained by referring to wind load definition in the building structural load specification.

S604: and calculating equivalent static wind load application parameters according to the partition displacement wind vibration coefficient, the panel body type coefficient and the partition static wind load batch processing result to obtain a static wind vibration response analysis result of the panel component of the assembled building.

Specifically, the wind vibration response of the fabricated building structure can be divided into an average wind response and a pulsating wind response, wherein the average wind response is caused by static wind load far away from the structural frequency, the pulsating wind response is caused by dynamic load close to the main vibration frequency of the structure, and the equivalent static wind load application parameters are calculated through the partition displacement wind vibration coefficient, the surface group body type coefficient of each surface component area and the partition static wind load batch processing result, so that the static wind response analysis result of the fabricated building structure surface component area is obtained.

It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic of each process, and should not limit the implementation process of the embodiment of the present application in any way.

In one embodiment, a system for detecting safety and health of a fabricated building is provided, where the system for detecting safety and health of a fabricated building corresponds to the method for detecting safety and health of a fabricated building in the above embodiment one by one. As shown in FIG. 8, the safety and health detection system for the fabricated building comprises a face component area load value module, a wind pressure interpolation matrix module, a stress dependent area calculation module and a wind pressure time interval batch application module. The functional modules are described in detail as follows:

Specific limitations regarding the fabricated building safety and health detection system may be found in the above limitations on the fabricated building safety and health detection method, and are not described in detail herein. The modules in the above-mentioned fabricated building safety and health detection system may be implemented in whole or in part by software, hardware, and combinations thereof. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.

In one embodiment, a computer device is provided, which may be a server, and the internal structure of which may be as shown in fig. 9. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is used for storing calculation data generated by the fabricated building structure in the wind vibration response analysis process. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program when executed by a processor implements a method of building safety and health detection.

In one embodiment, a computer readable storage medium is provided having a computer program stored thereon which, when executed by a processor, performs the steps of the above-described building safety and health detection.

Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional units and modules is illustrated, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, i.e. the internal structure of the system is divided into different functional units or modules to perform all or part of the above-described functions.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. The method for detecting the safety and the health of the assembled building is characterized by comprising the following steps of:

performing equivalent surface component partition processing on all structural nodes of the fabricated building according to the wind pressure distribution data to obtain surface component partition data of the fabricated building;

according to the wind pressure interpolation matrix, carrying out interpolation calculation on wind pressure coefficient time courses of single-group wind tunnel test measuring points of each surface component area to obtain single-node wind pressure coefficient time courses of each structural node of each surface component area;

performing equivalent surface wind pressure coefficient time fitting processing on the integral single-node wind pressure coefficient time of each surface component area according to the integral wind pressure coefficient time, and obtaining an equivalent wind vibration power analysis result of the assembled building surface component areas;

2. The method for detecting safety and health of an assembled building according to claim 1, wherein the interpolating calculation is performed on the wind pressure coefficient time course of the overall node geometrical coordinate distribution matrix and the overall wind tunnel geometrical coordinate distribution matrix to obtain a wind pressure interpolation matrix of the assembled building, specifically comprising:

3. The method for detecting safety and health of fabricated building according to claim 1, wherein the calculating the stress dependent areas of all nodes of the whole structure according to the single-node wind pressure coefficient time interval to obtain the whole wind pressure coefficient time interval in each face group partition further comprises:

4. The method for detecting safety and health of an assembled building according to claim 1, wherein the step of performing equivalent surface wind pressure coefficient time-course fitting processing on the integral single-node wind pressure coefficient time-course of each surface component area according to the integral wind pressure coefficient time-course to obtain an equivalent wind vibration power analysis result of the assembled building surface component area, further comprises:

obtaining equivalent static wind load parameters of each face group partition;

5. An assembled building safety and health detection device, characterized in that, the assembled building safety and health detection system includes:

the surface component area load value module is used for acquiring the self-vibration parameters of the assembled building and the wind tunnel test parameters of each structure node in real time to obtain surface component area data of the assembled building; acquiring structural node geometric distribution data and wind tunnel test measuring point geometric distribution data of an assembled building in real time; according to the geometric distribution data of the structural nodes and the geometric distribution data of the wind tunnel test measuring points, analyzing the current wind pressure distribution condition of the fabricated building in real time to obtain wind pressure distribution data; according to the wind pressure distribution data, performing equivalent surface component partitioning treatment on all structural nodes of the assembled building to obtain surface component partitioning data of the assembled building

The wind pressure interpolation matrix module is used for carrying out interpolation calculation on the wind pressure coefficient time course of each surface component area in the surface component area data to obtain a single-node wind pressure coefficient time course of each surface component area; acquiring an overall node geometric distribution matrix of all structural nodes of the assembled building and an overall wind tunnel geometric distribution coordinate matrix of all wind tunnel test measuring points; performing interpolation calculation on the wind pressure coefficient time interval of the integral node geometric distribution matrix and the integral wind tunnel geometric distribution coordinate matrix to obtain a wind pressure interpolation matrix of the fabricated building; according to the wind pressure interpolation matrix, carrying out interpolation calculation on wind pressure coefficient time courses of single-group wind tunnel test measuring points of each surface component area to obtain single-node wind pressure coefficient time courses of each structural node of each surface component area

the wind pressure time interval batch application module is used for carrying out equivalent surface wind pressure coefficient time interval fitting processing on the integral single-node wind pressure coefficient time interval of each surface component area according to the integral wind pressure coefficient time interval to obtain an equivalent wind vibration power analysis result of the assembled building surface component areas; acquiring structural node wind pressure parameters of all structural nodes of the fabricated building; performing equivalent plane wind pressure coefficient time interval fitting processing according to the structural node wind pressure parameters and the integral wind pressure coefficient time interval to obtain an equivalent plane wind pressure coefficient time interval fitting result; calculating the wind pressure coefficient time interval of each surface group according to the fitting result of the wind pressure coefficient time interval of the equivalent surface, and obtaining wind pressure coefficient time interval matrixes of all the surface group; and calculating the dynamic wind load time course of each face component area according to the wind pressure coefficient time course matrix to obtain an equivalent wind vibration dynamic analysis result of the assembled building face component areas.

6. A computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor implements the steps of a method for detecting the safety and health of an assembled building according to any one of claims 1 to 3 when the computer program is executed by the processor.

7. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of a method for detecting safety and health of an assembled building according to any one of claims 1 to 3.