CN109063327A - Destructive power of the earthquake evaluation method and device based on dynamic elastic-plastic and ground motion - Google Patents

Destructive power of the earthquake evaluation method and device based on dynamic elastic-plastic and ground motion Download PDF

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CN109063327A
CN109063327A CN201810860715.2A CN201810860715A CN109063327A CN 109063327 A CN109063327 A CN 109063327A CN 201810860715 A CN201810860715 A CN 201810860715A CN 109063327 A CN109063327 A CN 109063327A
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earthquake
model
building
analysis model
plastic
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陆新征
程庆乐
孙楚津
顾栋炼
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Tsinghua University
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Tsinghua University
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • G06F30/23Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/13Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2119/00Details relating to the type or aim of the analysis or the optimisation
    • G06F2119/06Power analysis or power optimisation

Abstract

The invention discloses a kind of destructive power of the earthquake evaluation method and device based on dynamic elastic-plastic and ground motion, wherein method is the following steps are included: obtain the measured data of shake hair localized ground motion recording;Typical monomers structure is chosen, and establishes corresponding finite element analysis model;The building macrostatistics for obtaining shake hair region establishes the region building database for meeting target area architectural feature, and establishes target area building analysis model by the analysis of architecture ensemble earthquake response Nonlinear Time course;Dynamic elastic-plastic time-history analysis is carried out according to finite element analysis model and target area building analysis model, evaluates destructive power of the earthquake based on the analysis results.This method accurately can promptly evaluate destructive power of the earthquake, provide strong support for disaster relief work after shake.

Description

Destructive power of the earthquake evaluation method and device based on dynamic elastic-plastic and ground motion
Technical field
It is the present invention relates to applications in civil engineering technical field, in particular to a kind of based on dynamic elastic-plastic and ground motion Destructive power of the earthquake evaluation method and device.
Background technique
The destruction situation of building is quickly and accurately assessed after earthquake to earthquake relief work important in inhibiting.It weighs for several times in recent years Violent earthquake disaster experience have shown that, for disaster area, actually damaged evaluating ability is needed to be further improved.After the earthquake, disaster area Often communicate it is obstructed, scene it is inorganizable, be difficult in the short time enough professionals to build it is damaged evaluate, together When network on the propagation of not firm speech may interfere with the acquisition and decision of normal disaster relief information.It is, therefore, desirable to provide science, visitor Sight, timely damaged evaluation method.
Damaged evaluation system mainly has in real time at present: Prompt Assessment of Global Earthquakes For Response, Global Disaster Alert and Coordination System and Earthquake Rapid Reporting System in Taiwan.Above-mentioned damaged evaluation system is generally by Seismic input parameter, architecture information and rapid wear Property, direct economic loss and the part of casualties three form.Seismic input parameter is according to seismic network Real-time Monitoring Data (one As include earthquake earthquake magnitude, epicentral location and the depth of focus) and ground motion predictive equation (GMPE) obtain, architecture information can lead to It crosses method of the macroscopic view in conjunction with microcomputer statistical information to obtain, the destruction situation of building is then according to rapid wear sexual intercourse and ability need side Method calculates that mainly empirically formula acquires for economic loss and casualties.
But existing system there are the problem of mainly have: (1) single ground motion parameter input is more difficult comprehensively considers earthquake Dynamic dynamic characteristics;(2) standard more difficult is provided for lacking the regional of practical earthquake data based on the Method of Seismic Disaster Analysisof of vulnerability True prediction of earthquake calamity result;(3) ability-requirement analysis method based on pushover is difficult to consider when holding of earthquake motion, speed The characteristics such as pulse.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.
For this purpose, an object of the present invention is to provide a kind of destructive power of the earthquake based on dynamic elastic-plastic and ground motion Evaluation method has the advantages that accurately can promptly evaluate destructive power of the earthquake.
It is another object of the present invention to propose that a kind of destructive power of the earthquake based on dynamic elastic-plastic and ground motion comments Valence device.
In order to achieve the above objectives, one aspect of the present invention embodiment proposes a kind of based on dynamic elastic-plastic and ground motion Destructive power of the earthquake evaluation method, comprising the following steps: obtain the measured data of shake hair localized ground motion recording;It chooses typical single Body structure, and establish corresponding finite element analysis model;The building macrostatistics in shake hair region is obtained, and is established Meet the region building database of target area architectural feature, and passes through architecture ensemble earthquake response Nonlinear Time course point Target area building analysis model is established in analysis;And according to the finite element analysis model and the target area building analysis mould Type carries out dynamic elastic-plastic time-history analysis, and the evaluation result of destructive power of the earthquake is obtained according to the analysis result.
The destructive power of the earthquake evaluation method based on dynamic elastic-plastic and ground motion of the embodiment of the present invention is shaken by obtaining It sends out the measured data of localized ground motion recording and establishes different building analysis models, fully consider amplitude, the frequency spectrum of earthquake motion With rigidity, intensity and the deformation behaviour of feature when holding and different buildings, destructive power of the earthquake is promptly accurately evaluated to realize, It is provided strong support for disaster relief work after shake.
In addition, the destructive power of the earthquake evaluation side according to the above embodiment of the present invention based on dynamic elastic-plastic and ground motion Method can also have following additional technical characteristic:
Further, in one embodiment of the invention, the actual measurement of the shake hair localized ground motion recording of the acquisition Feature when data include the amplitude of earthquake motion, frequency spectrum and hold.
Further, in one embodiment of the invention, the finite element analysis model includes typical framework structure point Analyse model and typical masonry structure analysis model, wherein the typical framework structure is reinforced concrete structure.
Further, in one embodiment of the invention, the selection typical monomers structure, and establish and corresponding have Finite element analysis model further comprises: establishing the RC structural model using the fiber beam model based on material;It adopts The model of the masonry structure is established with the hysteretic behavior of Component- Based Development.
Further, in one embodiment of the invention, described to pass through architecture ensemble earthquake response Nonlinear Time Course analysis method establishes target area building analysis model, further comprises: according to quality layers in multiple degrees of freedom Nonlinear Set Model is to establish target area building analysis model, wherein single layer, tier building shear layer model using multiple degrees of freedom, high-rise Building uses multiple degrees of freedom shear-bending coupling layer model.
In order to achieve the above objectives, another aspect of the present invention embodiment proposes a kind of based on dynamic elastic-plastic and ground motion Destructive power of the earthquake evaluating apparatus, comprising: obtain module, for obtains shake send out localized ground motion recording measured data;Have Finite element analysis model building module, for establishing the finite element analysis model for the typical monomers structure chosen;Target area building Analysis model establishes module, and for obtaining the building macrostatistics in shake hair region, foundation meets target area building Database is built in the region of feature, and establishes target area by architecture ensemble earthquake response Nonlinear Time course analysis method Domain building analysis model;And analysis evaluation module, for being built according to the finite element analysis model and the target area Analysis model carries out dynamic elastic-plastic time-history analysis, and according to the analysis evaluation of result destructive power of the earthquake.
The destructive power of the earthquake evaluating apparatus based on dynamic elastic-plastic and ground motion of the embodiment of the present invention is shaken by obtaining It sends out the measured data of localized ground motion recording and establishes different building analysis models, fully consider amplitude, the frequency spectrum of earthquake motion With rigidity, intensity and the deformation behaviour of feature when holding and different buildings, destructive power of the earthquake is promptly accurately evaluated to realize, It is provided strong support for disaster relief work after shake.
In addition, according to the above embodiment of the present invention evaluated based on the destructive power of the earthquake of dynamic elastic-plastic and ground motion is filled Following additional technical characteristic can also be had by setting:
Further, in one embodiment of the invention, the actual measurement of the shake hair localized ground motion recording of the acquisition Feature when data include the amplitude of earthquake motion, frequency spectrum and hold.
Further, in one embodiment of the invention, the finite element analysis model includes typical framework structure point Analyse model and typical masonry structure analysis model, wherein the typical framework structure is reinforced concrete structure.
Further, in one embodiment of the invention, the finite element analysis model establishes module, further wraps It includes: the RC structural model is established using the fiber beam model based on material;Using the hysteretic behavior of Component- Based Development Establish the model of the masonry structure.
Further, in one embodiment of the invention, the target area building analysis model building module, into one Step is used for: according to quality layer model in multiple degrees of freedom Nonlinear Set to establish described in the building analysis model of target area, wherein single Layer, tier building shear layer model using multiple degrees of freedom, and skyscraper uses multiple degrees of freedom shear-bending coupling layer model.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, in which:
Fig. 1 is the destructive power of the earthquake evaluation method based on dynamic elastic-plastic and ground motion according to the embodiment of the present invention Flow chart;
Fig. 2 is the destructive power of the earthquake evaluation side based on dynamic elastic-plastic and ground motion according to one embodiment of the invention The flow chart of method;
Fig. 3 is the destructive power of the earthquake evaluation side based on dynamic elastic-plastic and ground motion according to one embodiment of the invention The fiber beam element schematic diagram of method;
Fig. 4 is the destructive power of the earthquake evaluation side based on dynamic elastic-plastic and ground motion according to one embodiment of the invention The reciprocal loading curve schematic diagram of the concrete of method;
Fig. 5 is the destructive power of the earthquake evaluation side based on dynamic elastic-plastic and ground motion according to one embodiment of the invention The load-deformation curve schematic diagram of the steel of method;
Fig. 6 is the destructive power of the earthquake evaluation side based on dynamic elastic-plastic and ground motion according to one embodiment of the invention Six layers of RC frame structure arrangement schematic diagram of method;
Fig. 7 is the destructive power of the earthquake evaluation side based on dynamic elastic-plastic and ground motion according to one embodiment of the invention The schematic diagram of ten parameter hysteretic behavior meaning of parameters of method;
Fig. 8 is the destructive power of the earthquake evaluation side based on dynamic elastic-plastic and ground motion according to one embodiment of the invention The schematic diagram of the building analysis model of the elastic-plastic analysis of method;
Fig. 9 is that recording curve signal is shaken according to nine stockaded village of Jiu Zhaigou earthquake, the hundred river macroseism tableland of one embodiment of the invention Figure;
Figure 10 is to record typical structure layer according to nine stockaded village of Jiu Zhaigou earthquake, the hundred river macroseism platform of one embodiment of the invention Between angle of displacement envelope curve schematic diagram;
Figure 11 is that Aba area typical case is recorded according to nine stockaded village of one embodiment of the invention Jiu Zhaigou earthquake, hundred river macroseism platform Small towns and Typical Rural building destroy the distribution schematic diagram of situation;With
Figure 12 is the destructive power of the earthquake evaluating apparatus based on dynamic elastic-plastic and ground motion according to the embodiment of the present invention Structural schematic diagram.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing The embodiment stated is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The earthquake based on dynamic elastic-plastic and ground motion proposed according to embodiments of the present invention is described with reference to the accompanying drawings Destructive power evaluation method and device, describe to propose according to embodiments of the present invention first with reference to the accompanying drawings based on dynamic elastic-plastic and The destructive power of the earthquake evaluation method of ground motion.
Fig. 1 is the process of the destructive power of the earthquake evaluation method based on dynamic elastic-plastic and ground motion of the embodiment of the present invention Figure.
As shown in Figure 1, should destructive power of the earthquake evaluation method based on dynamic elastic-plastic and ground motion the following steps are included:
In step s101, the measured data of shake hair localized ground motion recording is obtained.
Specifically, the measured data of the shake hair localized ground motion recording obtained include the amplitude of earthquake motion, frequency spectrum and Feature when holding.
In one embodiment of the invention, after the earthquake, the sensing networks such as China Seismographic Network can obtain in time The ground motion on earthquake centre periphery records, and is recorded in data text together with station latitude coordinates, the record information such as time and instrument parameter In part.Acquired actual measurement ground motion record is handled, so that it may provide input ground for dynamic elastic-plastic time-history analysis Vibration.
In step s 102, typical monomers structure is chosen, and establishes corresponding finite element analysis model.
Specifically, finite element analysis model includes that typical framework Structural Analysis Model and typical masonry structure analyze mould Type, wherein typical framework structure is reinforced concrete structure.And armored concrete is established using the fiber beam model based on material Structural model;The model of masonry structure is established using the hysteretic behavior of Component- Based Development.
In one embodiment of the invention, monomer structure seismic demage analysis is mainly for typical types structure, specifically, The present embodiment has chosen typical framework structure and three kinds of typical masonry structures.Wherein, for reinforced concrete structure, using being based on The fiber beam model of material models;For masonry structure, then simulated using the hysteretic behavior of Component- Based Development.
1) the fiber beam model based on material establishes typical framework Structural Analysis Model.
Specifically, in one embodiment of the invention, using based on structural mechanics of beam system method and one-dimensional material this structure Fiber model can to the biggish member structure of slenderness ratio (such as frame beam column or bridge column) carry out numerical simulation.Fiber model If bar cross section is divided into dry fibers, as shown in figure 3, each fiber is uniaxial stress, and with uniaxial stress-strain relationship The characteristic of the fibrous material is described, interfibrous compatibility of deformation then uses plane cross-section assumption, can need to adjust according to calculating The quantity of section concrete fiber or steel fiber.This structure of concrete material considers effect of restraint, broken face in fibre weight model Effect, ysteresis effect etc. influence, and uniaxial stress-strain relation curve is as shown in figure 4, can preferably reflect effect of restraint, softening Behavior, and the characteristic of the hysteresis under stress and Stiffness Deterioration repeatedly;This structure of bar material uses model as shown in Figure 5, should Model can reflect surrender, hardening and the ruckbildung when load of reinforcing bar dullness, and the reasonable consideration Bauschinger effect of reinforcing bar.Base Nonlinear analysis program THUFIBER is developed in above-mentioned fiber model, is facilitated with the model foundation ANALYSIS OF FRAME STRUCTURES mould Type.
Reinforced concrete frame structure is widely used in the building in city and small towns, and especially school, hospital etc. are important Building has representative well when earthquake is built in analysis.The present embodiment uses typical reinforced concrete frame structure, such as It shown in Fig. 6, is arranged using the Typical Planar and facade for being usually used in the buildings such as school and hospital, chooses intermediate Pin frame (in Fig. 6 a Dash area) it is designed arrangement of reinforcement, concrete grade is C30, and indulging muscle type is HRB335.Using the fiber based on material Beam model establishes its finite element analysis model, provides basis for the response under analysis typical framework structural earthquake.
2) hysteretic behavior of Component- Based Development establishes typical masonry structure analysis model.
In one embodiment of the invention, the model of Component- Based Development is usually and is added according to the load-displacement relationship of test With simplification, model is generally implicit to consider the influence such as slippage of reinforced bar, plastic internal force redistribution, and calculating process is fairly simple.Cause This, the present invention models masonry component using ten parameter hysteretic behaviors.The model is by ten state modulators: initial stiffness K0;Positive yield strength Fy;Strain-hardening modulus parameter;The accumulative energy consumption parameter C of damage;Sliding pinches parameter;Soften parametersoft;Pole Limit the ratio of intensity and yield strength;The ratio between negative sense yield strength and positive yield strength;Unload stiffness parametersk;It is whole to slide section Point parameter, model parameter meaning are as shown in Figure 7.By adjusting the value of the coefficient in model, so that it may consider component surrender, Strengthen, softening, sliding pinches, damage accumulation, forward and reverse yield strength are different, unload the characteristics such as Stiffness Deterioration.
It is understood that masonry structure is widely present in the building construction of small towns, and masonry structure meets with earthquake When be easy to happen destruction.It does not set up defences especially masonry structure, destroys the main source of direct economic loss after being likely to become shake. Therefore, it is necessary to pay close attention to the earthquake situation of masonry structure in destructive power of the earthquake speed reporting method.Masonry selected by the present embodiment Structure includes: that single layer is not set up defences masonry, five layers of simple masonry and four layers of masonry of setting up defences.
(1) single layer is not set up defences masonry structure.
In one embodiment of the invention, it is with three standard width of a room in an old-style house grange post and panel structure of the single layer test of Beijing Prototype, using hysteretic behavior shown in Fig. 7, according to the result of above-mentioned test to model yield point, peak point and softening section parameter into Calibration gone as interlayer shear hysteretic relationship, the single layer masonry structure analysis model established with this, to reflect earthquake for The destructive power in typical self-built grange house.
(2) five layers of simple masonry structure.
In one embodiment of the invention, using the prototype of five layers of simple masonry structure as prototype, using shown in Fig. 7 Hysteretic behavior carries out parameter calibration according to test result, the analysis model of the Multi-storey block is established, to analyze multilayer The earthquake of low defence level masonry structure.
(3) four layers of masonry structure of setting up defences.
In one embodiment of the invention, using four layers of masonry structure of setting up defences as prototype, using hysteretic behavior shown in Fig. 7, The model of 4 layers of masonry of setting up defences is established, two standard width of a room in an old-style house of every layer of the masonry structure, front and back indulges wall and is provided with door and window hole, and material is MU10 is sintered solid brick and M5 masonry cement mortar, and the present invention is set up defences the earthquake of masonry structure using the model analysis multilayer.
In step s 103, the building macrostatistics in acquisition shake hair region, and establish and meet target area building spy Database is built in the region of point, and establishes target area building by the analysis of architecture ensemble earthquake response Nonlinear Time course Analysis model.
Specifically, in one embodiment of the invention, based on " the 6th national census " and " Chinese city system Count yearbook " etc. data, obtain continent main cities building according to the number of plies, load-bearing type and build the age classification each classification The sum of building, data include the quantity of the Typical Urban urban area, small towns and rural area building.
The embodiment of the present invention, which will be built, is divided into altogether 33 classes, such as " 1990 according to the number of plies, load-bearing type and construction age Before year, masonry structure, one-storey house ";" before nineteen ninety, masonry structure, layer 2-3 " etc..The N member for solving this problem composition is primary not Determining equation group can be obtained the ratio of this 33 class building.After the ratio for obtaining 33 classes building, so that it may establish each region Buildings model database, serve the evaluation of subsequent destructive power of the earthquake.It should be noted that if target area has had often Building statistical information, then these information can be directly used and establish analysis model.
Further, in one embodiment of the invention, as shown in figure 8, it is non-thread using architecture ensemble earthquake response Property course analysis method carry out target area build seismic demage analysis, this method be based on multiple degrees of freedom Nonlinear Set in quality layers mould Type, wherein single layer, tier building shear layer model using multiple degrees of freedom, and skyscraper uses multiple degrees of freedom shear-bending coupling layer mould Type.URBAN EARTHQUAKE dynamic elasto-plastic analysis method is based on limited building attribute information, and (structure type, the number of plies, builds year at height Generation, floor area), the analysis model of every building in region can be established, is mentioned for the dynamic elasto-plastic analysis of region groups of building For analysis model.
In step S104, when carrying out dynamic elastic-plastic according to finite element analysis model and target area building analysis model Journey analysis, and the evaluation result of destructive power of the earthquake is obtained based on the analysis results.
In one embodiment of the invention, the actual measurement ground motion record of acquisition is handled, is input to above-mentioned list In the analysis model of body and region groups of building, action edge elasto-plastic time history analysis of going forward side by side, wherein region building analysis uses city The non-linear course analysis method of groups of building earthquake response, can complete entirely to analyze in 15 minutes, and monomer and region building Analysis be it is parallel, allow the invention to quickly provide damaged evaluation result, for emergency reference is provided.
Further, according to dynamic elasto-plastic analysis as a result, the response of the power of available structure and displacement, and then basis Analysis result is organized into report, is supplied to related responding agencies in time simultaneously by the collapse state of damaging judge criterion decision structure It is published to the network platform, earthquake relief work decision and the universal public knowledge of preventing and reducing natural disasters is formulated for science and reference is provided.
It is an implementation of the invention with Jiu Zhaigou earthquake in 2017, practical application is as follows: on August 8th, 2017, Beijing 19 divide 46 seconds when time 21, and the 7.0 grades of earthquakes of generation of northern part of Sichuan Province Aba Prefecture Jiuzhaigou country (33.20 degree of earthquake centre north latitude, east longitude 103.82 degree).17 groups of strong motion observation records are obtained from China Seismology Bureau.Wherein, the earthquake centre nine stockaded village hundred river macroseism platform (51JZB) Away from minimum, epicentral distance is 30.50 kilometers, and station position is 33.2 degree of north latitude, 104.1 degree of east longitude.The shake of nine stockaded villages, hundred river macroseism tableland The thing of dynamic record, north and south and to acceleration peak value be respectively vertically -129.5cm/s2、-185.0cm/s2With -124.7cm/ s2, earthquake motion time history curve is as shown in Figure 9.
Nine stockaded villages, hundred river macroseism platform record is input in typical framework structure, obtains the story drift envelope of structure as schemed Shown in 10a.As can be seen that 8 degree of frames are substantially not damaged, 6 degree and 7 degree of frame story drifts are just beyond " building aseismicity is set Meter specification " elastic displacement angle between floors limit value 1/550 as defined in (GB 50011-2010), degree of injury is lighter, so earthquake motion pair The destructive power of said frame is weaker.
Record is separately input to single layer not set up defences in masonry, five layers of simple masonry and four layers of masonry model of setting up defences, is passed through Known to Elasto-Plastic Dynamic Analysis: moderate damage occurs for single layer masonry structure of not setting up defences;Five layers of simple masonry structure due to the period compared with It is long, the main frequency of earthquake motion is avoided, so substantially intact;The bottom story drift of four layers of masonry structure of setting up defences is more than bullet Property story drift limit value, has not yet been reached the corresponding deformation of peak value bearing capacity, story drift envelope is as shown in fig. lob.
By in record input target area, the collapse state ratio for obtaining different types of structure building is as shown in figure 11.It can To find out: the medium above destructive rate in Aba area typical case small towns is about 70%, and the medium above destructive rate of Typical Rural is about 98%, it is more serious that farm building destroys situation.But have no building of collapsing.It can be seen from figure 11 that Aba area destroy compared with Serious building type is do not set up defences masonry, set up defences masonry and civil structure, and frame-shear structure extent of the destruction is lighter, the frame in rural area Frame structure is by a degree of destruction.Further analytical framework structural damage situation is it follows that occur moderate damage Frame structure is mostly 6 layers or less short short cycle frames, and 6 layers and 6 layers or more frame extent of the destruction are lighter.All things considered, calamity Area's building may be by certain destruction, but a possibility that collapsing is smaller.
According to seimic disaster census practical after calamity as a result, disaster area is damaged between house 73671 in various degree, actually collapse between 76, The rate of collapsing only has 0.1% or so.It can be seen that the collapse probability of the method for the present invention prediction and practical earthquake are more consistent.Why this is obtained Sample as a result, be because the present invention analysis be based on actual measurement earthquake motion carry out calculating, actual seismic can be better accounted for Damage capability.
The destructive power of the earthquake evaluation method based on dynamic elastic-plastic and ground motion of the embodiment of the present invention is shaken by obtaining It sends out the measured data of localized ground motion recording and establishes different building analysis models, fully consider amplitude, the frequency spectrum of earthquake motion With rigidity, intensity and the deformation behaviour of feature when holding and different buildings, destructive power of the earthquake is promptly accurately evaluated to realize, It is provided strong support for disaster relief work after shake.
The earthquake based on dynamic elastic-plastic and ground motion proposed according to embodiments of the present invention is described referring next to attached drawing Destructive power evaluating apparatus.
Figure 12 is the destructive power of the earthquake evaluating apparatus based on dynamic elastic-plastic and ground motion of one embodiment of the invention Structural schematic diagram.
As shown in figure 12, being somebody's turn to do the destructive power of the earthquake evaluating apparatus 10 based on dynamic elastic-plastic and ground motion includes: to obtain Module 100, finite element analysis model establish module 200, target area building analysis model building module 300 and assay mould Block 400.
Wherein, the measured data that module 100 is used to obtain shake hair localized ground motion recording is obtained.Finite element analysis model Module 200 is established, for choosing typical monomers structure, and establishes corresponding finite element analysis model.Target area building point Analysis model building module 300 is used to obtain the building macrostatistics in shake hair region, and foundation meets target area architectural feature Region build database, and target area is established by architecture ensemble earthquake response Nonlinear Time course analysis method and is built Build analysis model.Analysis evaluation module 400 is used to be moved according to finite element analysis model and target area building analysis model Power elasto-plastic time history analysis, and the evaluation result of destructive power of the earthquake is obtained based on the analysis results.It should be based on dynamic elastic-plastic and ground The destructive power of the earthquake evaluating apparatus 10 of face movement has the advantages that accurately can promptly evaluate destructive power of the earthquake.
Further, in one embodiment of the invention, the measured data of the shake hair localized ground motion recording of acquisition Amplitude, frequency spectrum including earthquake motion and feature when holding.
Further, in one embodiment of the invention, finite element analysis model includes typical framework structural analysis mould Type and typical masonry structure analysis model, wherein typical framework structure is reinforced concrete structure.
Further, in one embodiment of the invention, finite element analysis model establishes module 200, further comprises: RC structural model is established using the fiber beam model based on material;Masonry is established using the hysteretic behavior of Component- Based Development The model of structure.
Further, in one embodiment of the invention, target area building analysis model building module 300, into one Step is used for: according to quality layer model in multiple degrees of freedom Nonlinear Set to establish target area building analysis model, wherein single layer, Tier building shears layer model using multiple degrees of freedom, and skyscraper uses multiple degrees of freedom shear-bending coupling layer model.
It should be noted that aforementioned to the destructive power of the earthquake evaluation method embodiment based on dynamic elastic-plastic and ground motion Explanation be also applied for the destructive power of the earthquake evaluating apparatus based on dynamic elastic-plastic and ground motion of the embodiment, herein It repeats no more.
The destructive power of the earthquake evaluation method based on dynamic elastic-plastic and ground motion of the embodiment of the present invention is shaken by obtaining It sends out the measured data of localized ground motion recording and establishes different building analysis models, fully consider amplitude, the frequency spectrum of earthquake motion With rigidity, intensity and the deformation behaviour of feature when holding and different buildings, destructive power of the earthquake is promptly accurately evaluated to realize, It is provided strong support for disaster relief work after shake.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (10)

1. a kind of destructive power of the earthquake evaluation method based on dynamic elastic-plastic and ground motion, which is characterized in that including following step It is rapid:
Obtain the measured data of shake hair localized ground motion recording;
Typical monomers structure is chosen, and establishes corresponding finite element analysis model;
The building macrostatistics in shake hair region is obtained, and establishes the region building number for meeting target area architectural feature Target area building analysis model is established according to library, and by the analysis of architecture ensemble earthquake response Nonlinear Time course;And
Dynamic elastic-plastic time-history analysis, root are carried out according to the finite element analysis model and the target area building analysis model According to the analysis evaluation of result destructive power of the earthquake.
2. the destructive power of the earthquake evaluation method according to claim 1 based on dynamic elastic-plastic and ground motion, feature It is, the feature when measured data of the shake hair localized ground motion recording of the acquisition includes the amplitude of earthquake motion, frequency spectrum and holds.
3. the destructive power of the earthquake evaluation method according to claim 1 based on dynamic elastic-plastic and ground motion, feature It is, the finite element analysis model includes typical framework Structural Analysis Model and typical masonry structure analysis model, wherein institute Stating typical framework structure is reinforced concrete structure.
4. the destructive power of the earthquake evaluation method according to claim 3 based on dynamic elastic-plastic and ground motion, feature It is, the selection typical monomers structure, and establishes corresponding finite element analysis model and further comprise:
The RC structural model is established using the fiber beam model based on material;
The model of the masonry structure is established using the hysteretic behavior of Component- Based Development.
5. the destructive power of the earthquake evaluation method according to claim 1 based on dynamic elastic-plastic and ground motion, feature It is, it is described that target area building analysis mould is established by architecture ensemble earthquake response Nonlinear Time course analysis method Type further comprises:
According to quality layer model in multiple degrees of freedom Nonlinear Set to establish target area building analysis model, wherein single layer, multilayer Building shears layer model using multiple degrees of freedom, and skyscraper uses multiple degrees of freedom shear-bending coupling layer model.
6. a kind of destructive power of the earthquake evaluating apparatus based on dynamic elastic-plastic and ground motion characterized by comprising
Module is obtained, for obtaining the measured data of shake hair localized ground motion recording;
Finite element analysis model establishes module, for establishing the finite element analysis model for the typical monomers structure chosen;
Target area building analysis model building module is established for obtaining the building macrostatistics in shake hair region Meet the region building database of target area architectural feature, and passes through architecture ensemble earthquake response Nonlinear Time course point Analysis method establishes target area building analysis model;And
Analysis evaluation module, for being moved according to the finite element analysis model and the target area building analysis model Power elasto-plastic time history analysis, and according to the analysis evaluation of result destructive power of the earthquake.
7. the destructive power of the earthquake evaluating apparatus according to claim 6 based on dynamic elastic-plastic and ground motion, feature It is, the feature when measured data of the shake hair localized ground motion recording of the acquisition includes the amplitude of earthquake motion, frequency spectrum and holds.
8. the destructive power of the earthquake evaluating apparatus according to claim 6 based on dynamic elastic-plastic and ground motion, feature It is, the finite element analysis model includes typical framework Structural Analysis Model and typical masonry structure analysis model, wherein institute Stating typical framework structure is reinforced concrete structure.
9. the destructive power of the earthquake evaluating apparatus according to claim 8 based on dynamic elastic-plastic and ground motion, feature It is, the finite element analysis model establishes module, further comprise:
The RC structural model is established using the fiber beam model based on material;
The model of the masonry structure is established using the hysteretic behavior of Component- Based Development.
10. the destructive power of the earthquake evaluating apparatus according to claim 6 based on dynamic elastic-plastic and ground motion, feature It is, the target area building analysis model building module is further used for:
According to quality layer model in multiple degrees of freedom Nonlinear Set to establish target area building analysis model, wherein single layer, multilayer Building shears layer model using multiple degrees of freedom, and skyscraper uses multiple degrees of freedom shear-bending coupling layer model.
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