CN105760628A - Construction method of multi-storey residential structure - Google Patents
Construction method of multi-storey residential structure Download PDFInfo
- Publication number
- CN105760628A CN105760628A CN201610160935.5A CN201610160935A CN105760628A CN 105760628 A CN105760628 A CN 105760628A CN 201610160935 A CN201610160935 A CN 201610160935A CN 105760628 A CN105760628 A CN 105760628A
- Authority
- CN
- China
- Prior art keywords
- phi
- storey building
- sigma
- displacement
- main member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Optimization (AREA)
- Computational Mathematics (AREA)
- Architecture (AREA)
- Mathematical Analysis (AREA)
- Structural Engineering (AREA)
- Pure & Applied Mathematics (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a construction method of a multi-storey residential structure. The method comprises the steps of building a model of the multi-storey residential structure, building a stochastic seismic motion model of the multi-storey residential structure, computing the displacement and speed power spectrum densities of main components of the multi-storey residential structure, building a damage model of the multi-storey residential structure, computing a damage index, performing double reliability evaluation on the model of the multi-storey residential structure, and performing construction. The method performs construction according to the model of the model of the multi-storey residential structure which is qualified through evaluation in advance, reasonably performs adjustment in time according to an evaluation result, improves the earthquake-resistant behavior and the safety of structure, improves the efficiency and saves the cost.
Description
Technical field
The present invention relates to building field, be specifically related to the construction method of multi-storey building structure.
Background technology
In correlation technique, providing a kind of multi-storey building structure, its cast-in-place scattered armored concrete vertical wall limb, outer eaves coupling beam and girderless floor constitute skeletal support body, and the axis of building is as vertical supporting volume mesh, wall limb is positioned at the point of intersection of grid, and girderless floor is positioned on vertical supporting body.Main member therein includes armored concrete vertical wall limb, outer eaves coupling beam and girderless floor etc..
During due to construction, the earthquake intensity of geology of property is different with Types of Earthquakes, although this multi-storey building structure stability obtains certain raising, but its anti-seismic performance is poor to the motility adapting to local requirement, is easily damaged when running into the high earthquake of intensity.
Summary of the invention
For the problems referred to above, the present invention provides the construction method of multi-storey building structure, the multi-storey building structure high to build the local motility required of anti-seismic performance adaptation.
The purpose of the present invention realizes by the following technical solutions:
The construction method of multi-storey building structure, comprises the following steps:
(1) by computer-aided design Primary Construction multi-storey building structural model, and the main member of multi-storey building structural model is determined;
(2) according to local seismic fortification intensity, Aseismic Design packet and multi-storey building structure property classification, build the stochastic seismic model of multi-storey building structural model, generate the displacement of corresponding described main member and the power spectral density function of speed;
(3) the power spectral density function calculating according to the displacement of described main member and speed obtains corresponding displacement power spectral density and speed-power spectrum density, it is integrated described displacement power spectral density and speed-power spectrum density calculating, obtains square difference of displacement and the velocity variance of corresponding main member;
(4) at standard temperature W0Under described main member research experiment is drawn its performance parameter, build the damage model of multi-storey building structure according to described performance parameter, calculate damage index Φ, it is considered to the local mean temperature W impact on main member performance parameter, introduce temperature correction coefficient δ, work as W W0Time, temperature correction coefficientAs W≤W0Time, temperature correction coefficientAdditionally consider that component performance parameter can be produced considerable influence by Specific construction situation, local natural environment, and then have influence on damage index Φ, introduce the construction factor and envirment factor, all between 0 to 1, affecting damage index Φ with respective weight a, b, c, the computing formula of damage index Φ is:
Wherein, η is Energy consumption fact, SjFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, SmFor main member maximum displacement within [0, the T] period, E (T) is main member accumulation hysteresis power consumption within [0, the T] period;
(5) by MATLAB, multi-storey building structural model is carried out dual dynamic Reliability assessment, if it is qualified to assess, then construct according to multi-storey building structural model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.
Preferably, when multi-storey building structural model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:
Wherein,
If ψ1、ψ2Being all higher than 0, multi-storey building structural model meets design requirement, and it is qualified to assess;If only meeting ψ1More than 0, then to P2Reappraise after being adjusted;All the other situations, need to re-start multi-storey building structural design;
Wherein, 0≤t≤T, a is the story drift boundary value set, Φ0For the accumulated damage Exponential Bounds limit value set, story drift boundary value a and accumulated damage Exponential Bounds limit value Φ0Determine according to Types of Earthquakes;σ v (x) is poor for velocity standard, and σ s (x) is poor for shift standards, σ2S (x) is square difference of displacement, mΦFor the average of accumulated damage index, σΦ 2For the standard deviation of accumulated damage index, P1For the first standard reliability set, P2For the second standard reliability set;
Described P1、P2Set point be 90%~99.9%, P1Value is determined in advance according to the purposes of structure, P2Value can according to its initial value P '2Carrying out self-adaptative adjustment in scope, concrete adjustment mode is:
When assessing qualified, P2=P '2;
When assessment is defective and meets ψ1During more than 0, P2=P2min。
The invention have the benefit that employing dual dynamic reliability degree calculation method builds multi-storey building structure, so that multi-storey building structure is carried out fixing quantity design, construct then according to assess qualified multi-storey building structural model, thus ensureing and improve the shock strength of multi-storey building structure;Simplify the dual dynamic reliability calculating of multi-storey building structure, improve the speed of design;Introduce temperature correction coefficient, the construction factor and envirment factor, carry out the calculating of damage index Φ, improve the precision that multi-storey building structure is carried out fixing quantity design;Under the premise meeting structural safety, P2Value can carry out self-adaptative adjustment according to its initial value in scope, it is possible to is greatly improved efficiency, saves cost, and can greatly reduce potential safety hazard, is greatly improved safety of structure.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limitation of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.
Fig. 1 is the method flow schematic diagram of the present invention.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment 1: the construction method of multi-storey building structure as shown in Figure 1, comprises the following steps:
(1) by computer-aided design Primary Construction multi-storey building structural model, and the main member of multi-storey building structural model is determined;
(2) according to local seismic fortification intensity, Aseismic Design packet and multi-storey building structure property classification, build the stochastic seismic model of multi-storey building structural model, generate the displacement of corresponding described main member and the power spectral density function of speed;
(3) the power spectral density function calculating according to the displacement of described main member and speed obtains corresponding displacement power spectral density and speed-power spectrum density, it is integrated described displacement power spectral density and speed-power spectrum density calculating, obtains square difference of displacement and the velocity variance of corresponding main member;
(4) at standard temperature W0Under described main member research experiment is drawn its performance parameter, build the damage model of multi-storey building structure according to described performance parameter, calculate damage index Φ, it is considered to the local mean temperature W impact on main member performance parameter, introduce temperature correction coefficient δ, work as W W0Time, temperature correction coefficientAs W≤W0Time, temperature correction coefficientAdditionally consider that component performance parameter can be produced considerable influence by Specific construction situation, local natural environment, and then have influence on damage index Φ, introduce the construction factor and envirment factor, all between 0 to 1, affecting damage index Φ with respective weight a, b, c, the computing formula of damage index Φ is:
Wherein, η is Energy consumption fact, SjFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, SmFor main member maximum displacement within [0, the T] period, E (T) is main member accumulation hysteresis power consumption within [0, the T] period;
(5) by MATLAB, multi-storey building structural model is carried out dual dynamic Reliability assessment, if it is qualified to assess, then construct according to multi-storey building structural model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.
Preferably, when multi-storey building structural model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:
Wherein,
If ψ1、ψ2Being all higher than 0, multi-storey building structural model meets design requirement, and it is qualified to assess;If only meeting ψ1More than 0, then to P2Reappraise after being adjusted;All the other situations, need to re-start multi-storey building structural design;
Wherein, 0≤t≤T, a is the story drift boundary value set, Φ0For the accumulated damage Exponential Bounds limit value set, story drift boundary value a and accumulated damage Exponential Bounds limit value Φ0Determine according to Types of Earthquakes;σ v (x) is poor for velocity standard, and σ s (x) is poor for shift standards, σ2S (x) is square difference of displacement, mΦFor the average of accumulated damage index, σΦ 2For the standard deviation of accumulated damage index, P1For the first standard reliability set, P2For the second standard reliability set;
Described P1、P2Set point be 90%~99.9%, P1Value is determined in advance according to the purposes of structure, P2Value can according to its initial value P '2Carrying out self-adaptative adjustment in scope, concrete adjustment mode is:
When assessing qualified, P2=P '2;
When assessment is defective and meets ψ1During more than 0, P2=P2min。
In this embodiment: adopt dual dynamic reliability degree calculation method to build multi-storey building structure, so that multi-storey building structure is carried out fixing quantity design, construct then according to assess qualified multi-storey building structural model, thus ensureing and improve the shock strength of multi-storey building structure;Simplify the dual dynamic reliability calculating of multi-storey building structure, improve the speed of design;Introduce temperature correction coefficient, the construction factor and envirment factor, carry out the calculating of damage index Φ, improve the precision that multi-storey building structure is carried out fixing quantity design;Under the premise meeting structural safety, P2Value can carry out self-adaptative adjustment according to its initial value in scope, it is possible to is greatly improved efficiency, saves cost, and can greatly reduce potential safety hazard, is greatly improved safety of structure;The value of the first standard reliability is 90%, and desin speed improves 50% than prior art, and safety improves 20% than prior art.
Embodiment 2: the construction method of multi-storey building structure as shown in Figure 1, comprises the following steps:
(1) by computer-aided design Primary Construction multi-storey building structural model, and the main member of multi-storey building structural model is determined;
(2) according to local seismic fortification intensity, Aseismic Design packet and multi-storey building structure property classification, build the stochastic seismic model of multi-storey building structural model, generate the displacement of corresponding described main member and the power spectral density function of speed;
(3) the power spectral density function calculating according to the displacement of described main member and speed obtains corresponding displacement power spectral density and speed-power spectrum density, it is integrated described displacement power spectral density and speed-power spectrum density calculating, obtains square difference of displacement and the velocity variance of corresponding main member;
(4) at standard temperature W0Under described main member research experiment is drawn its performance parameter, build the damage model of multi-storey building structure according to described performance parameter, calculate damage index Φ, it is considered to the local mean temperature W impact on main member performance parameter, introduce temperature correction coefficient δ, work as W W0Time, temperature correction coefficientAs W≤W0Time, temperature correction coefficientAdditionally consider that component performance parameter can be produced considerable influence by Specific construction situation, local natural environment, and then have influence on damage index Φ, introduce the construction factor and envirment factor, all between 0 to 1, affecting damage index Φ with respective weight a, b, c, the computing formula of damage index Φ is:
Wherein, η is Energy consumption fact, SjFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, SmFor main member maximum displacement within [0, the T] period, E (T) is main member accumulation hysteresis power consumption within [0, the T] period;
(5) by MATLAB, multi-storey building structural model is carried out dual dynamic Reliability assessment, if it is qualified to assess, then construct according to multi-storey building structural model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.
Preferably, when multi-storey building structural model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:
Wherein,
If ψ1、ψ2Being all higher than 0, multi-storey building structural model meets design requirement, and it is qualified to assess;If only meeting ψ1More than 0, then to P2Reappraise after being adjusted;All the other situations, need to re-start multi-storey building structural design;
Wherein, 0≤t≤T, a is the story drift boundary value set, Φ0For the accumulated damage Exponential Bounds limit value set, story drift boundary value a and accumulated damage Exponential Bounds limit value Φ0Determine according to Types of Earthquakes;σ v (x) is poor for velocity standard, and σ s (x) is poor for shift standards, σ2S (x) is square difference of displacement, mΦFor the average of accumulated damage index, σΦ 2For the standard deviation of accumulated damage index, P1For the first standard reliability set, P2For the second standard reliability set;
Described P1、P2Set point be 90%~99.9%, P1Value is determined in advance according to the purposes of structure, P2Value can according to its initial value P '2Carrying out self-adaptative adjustment in scope, concrete adjustment mode is:
When assessing qualified, P2=P '2;
When assessment is defective and meets ψ1During more than 0, P2=P2min。
In this embodiment: adopt dual dynamic reliability degree calculation method to build multi-storey building structure, so that multi-storey building structure is carried out fixing quantity design, construct then according to assess qualified multi-storey building structural model, thus ensureing and improve the shock strength of multi-storey building structure;Simplify the dual dynamic reliability calculating of multi-storey building structure, improve the speed of design;Introduce temperature correction coefficient, the construction factor and envirment factor, carry out the calculating of damage index Φ, improve the precision that multi-storey building structure is carried out fixing quantity design;Under the premise meeting structural safety, P2Value can carry out self-adaptative adjustment according to its initial value in scope, it is possible to is greatly improved efficiency, saves cost, and can greatly reduce potential safety hazard, is greatly improved safety of structure;The value of the first standard reliability is 92%, and desin speed improves 45% than prior art, and safety improves 25% than prior art.
Embodiment 3: the construction method of multi-storey building structure as shown in Figure 1, comprises the following steps:
(1) by computer-aided design Primary Construction multi-storey building structural model, and the main member of multi-storey building structural model is determined;
(2) according to local seismic fortification intensity, Aseismic Design packet and multi-storey building structure property classification, build the stochastic seismic model of multi-storey building structural model, generate the displacement of corresponding described main member and the power spectral density function of speed;
(3) the power spectral density function calculating according to the displacement of described main member and speed obtains corresponding displacement power spectral density and speed-power spectrum density, it is integrated described displacement power spectral density and speed-power spectrum density calculating, obtains square difference of displacement and the velocity variance of corresponding main member;
(4) at standard temperature W0Under described main member research experiment is drawn its performance parameter, build the damage model of multi-storey building structure according to described performance parameter, calculate damage index Φ, it is considered to the local mean temperature W impact on main member performance parameter, introduce temperature correction coefficient δ, work as W W0Time, temperature correction coefficientAs W≤W0Time, temperature correction coefficientAdditionally consider that component performance parameter can be produced considerable influence by Specific construction situation, local natural environment, and then have influence on damage index Φ, introduce the construction factor and envirment factor, all between 0 to 1, affecting damage index Φ with respective weight a, b, c, the computing formula of damage index Φ is:
Wherein, η is Energy consumption fact, SjFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, SmFor main member maximum displacement within [0, the T] period, E (T) is main member accumulation hysteresis power consumption within [0, the T] period;
(5) by MATLAB, multi-storey building structural model is carried out dual dynamic Reliability assessment, if it is qualified to assess, then construct according to multi-storey building structural model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.
Preferably, when multi-storey building structural model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:
Wherein,
If ψ1、ψ2Being all higher than 0, multi-storey building structural model meets design requirement, and it is qualified to assess;If only meeting ψ1More than 0, then to P2Reappraise after being adjusted;All the other situations, need to re-start multi-storey building structural design;
Wherein, 0≤t≤T, a is the story drift boundary value set, Φ0For the accumulated damage Exponential Bounds limit value set, story drift boundary value a and accumulated damage Exponential Bounds limit value Φ0Determine according to Types of Earthquakes;σ v (x) is poor for velocity standard, and σ s (x) is poor for shift standards, σ2S (x) is square difference of displacement, mΦFor the average of accumulated damage index, σΦ 2For the standard deviation of accumulated damage index, P1For the first standard reliability set, P2For the second standard reliability set;
Described P1、P2Set point be 90%~99.9%, P1Value is determined in advance according to the purposes of structure, P2Value can according to its initial value P '2Carrying out self-adaptative adjustment in scope, concrete adjustment mode is:
When assessing qualified, P2=P '2;
When assessment is defective and meets ψ1During more than 0, P2=P2min。
In this embodiment: adopt dual dynamic reliability degree calculation method to build multi-storey building structure, so that multi-storey building structure is carried out fixing quantity design, construct then according to assess qualified multi-storey building structural model, thus ensureing and improve the shock strength of multi-storey building structure;Simplify the dual dynamic reliability calculating of multi-storey building structure, improve the speed of design;Introduce temperature correction coefficient, the construction factor and envirment factor, carry out the calculating of damage index Φ, improve the precision that multi-storey building structure is carried out fixing quantity design;Under the premise meeting structural safety, P2Value can carry out self-adaptative adjustment according to its initial value in scope, it is possible to is greatly improved efficiency, saves cost, and can greatly reduce potential safety hazard, is greatly improved safety of structure;The value of the first standard reliability is 94%, and desin speed improves 40% than prior art, and safety improves 30% than prior art.
Embodiment 4: the construction method of multi-storey building structure as shown in Figure 1, comprises the following steps:
(1) by computer-aided design Primary Construction multi-storey building structural model, and the main member of multi-storey building structural model is determined;
(2) according to local seismic fortification intensity, Aseismic Design packet and multi-storey building structure property classification, build the stochastic seismic model of multi-storey building structural model, generate the displacement of corresponding described main member and the power spectral density function of speed;
(3) the power spectral density function calculating according to the displacement of described main member and speed obtains corresponding displacement power spectral density and speed-power spectrum density, it is integrated described displacement power spectral density and speed-power spectrum density calculating, obtains square difference of displacement and the velocity variance of corresponding main member;
(4) at standard temperature W0Under described main member research experiment is drawn its performance parameter, build the damage model of multi-storey building structure according to described performance parameter, calculate damage index Φ, it is considered to the local mean temperature W impact on main member performance parameter, introduce temperature correction coefficient δ, work as W W0Time, temperature correction coefficientAs W≤W0Time, temperature correction coefficientAdditionally consider that component performance parameter can be produced considerable influence by Specific construction situation, local natural environment, and then have influence on damage index Φ, introduce the construction factor and envirment factor, all between 0 to 1, affecting damage index Φ with respective weight a, b, c, the computing formula of damage index Φ is:
Wherein, η is Energy consumption fact, SjFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, SmFor main member maximum displacement within [0, the T] period, E (T) is main member accumulation hysteresis power consumption within [0, the T] period;
(5) by MATLAB, multi-storey building structural model is carried out dual dynamic Reliability assessment, if it is qualified to assess, then construct according to multi-storey building structural model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.
Preferably, when multi-storey building structural model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:
Wherein,
If ψ1、ψ2Being all higher than 0, multi-storey building structural model meets design requirement, and it is qualified to assess;If only meeting ψ1More than 0, then to P2Reappraise after being adjusted;All the other situations, need to re-start multi-storey building structural design;
Wherein, 0≤t≤T, a is the story drift boundary value set, Φ0For the accumulated damage Exponential Bounds limit value set, story drift boundary value a and accumulated damage Exponential Bounds limit value Φ0Determine according to Types of Earthquakes;σ v (x) is poor for velocity standard, and σ s (x) is poor for shift standards, σ2S (x) is square difference of displacement, mΦFor the average of accumulated damage index, σΦ 2For the standard deviation of accumulated damage index, P1For the first standard reliability set, P2For the second standard reliability set;
Described P1、P2Set point be 90%~99.9%, P1Value is determined in advance according to the purposes of structure, P2Value can according to its initial value P '2Carrying out self-adaptative adjustment in scope, concrete adjustment mode is:
When assessing qualified, P2=P '2;
When assessment is defective and meets ψ1During more than 0, P2=P2min。。
In this embodiment: adopt dual dynamic reliability degree calculation method to build multi-storey building structure, so that multi-storey building structure is carried out fixing quantity design, construct then according to assess qualified multi-storey building structural model, thus ensureing and improve the shock strength of multi-storey building structure;Simplify the dual dynamic reliability calculating of multi-storey building structure, improve the speed of design;Introduce temperature correction coefficient, the construction factor and envirment factor, carry out the calculating of damage index Φ, improve the precision that multi-storey building structure is carried out fixing quantity design;Under the premise meeting structural safety, P2Value can carry out self-adaptative adjustment according to its initial value in scope, it is possible to is greatly improved efficiency, saves cost, and can greatly reduce potential safety hazard, is greatly improved safety of structure;The value of the first standard reliability is 96%, and desin speed improves 35% than prior art, and safety improves 35% than prior art.
Embodiment 5: the construction method of multi-storey building structure as shown in Figure 1, comprises the following steps:
(1) by computer-aided design Primary Construction multi-storey building structural model, and the main member of multi-storey building structural model is determined;
(2) according to local seismic fortification intensity, Aseismic Design packet and multi-storey building structure property classification, build the stochastic seismic model of multi-storey building structural model, generate the displacement of corresponding described main member and the power spectral density function of speed;
(3) the power spectral density function calculating according to the displacement of described main member and speed obtains corresponding displacement power spectral density and speed-power spectrum density, it is integrated described displacement power spectral density and speed-power spectrum density calculating, obtains square difference of displacement and the velocity variance of corresponding main member;
(4) at standard temperature W0Under described main member research experiment is drawn its performance parameter, build the damage model of multi-storey building structure according to described performance parameter, calculate damage index Φ, it is considered to the local mean temperature W impact on main member performance parameter, introduce temperature correction coefficient δ, work as W W0Time, temperature correction coefficientAs W≤W0Time, temperature correction coefficientAdditionally consider that component performance parameter can be produced considerable influence by Specific construction situation, local natural environment, and then have influence on damage index Φ, introduce the construction factor and envirment factor, all between 0 to 1, affecting damage index Φ with respective weight a, b, c, the computing formula of damage index Φ is:
Wherein, η is Energy consumption fact, SjFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, SmFor main member maximum displacement within [0, the T] period, E (T) is main member accumulation hysteresis power consumption within [0, the T] period;
(5) by MATLAB, multi-storey building structural model is carried out dual dynamic Reliability assessment, if it is qualified to assess, then construct according to multi-storey building structural model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.
Preferably, when multi-storey building structural model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:
Wherein,
If ψ1、ψ2Being all higher than 0, multi-storey building structural model meets design requirement, and it is qualified to assess;If only meeting ψ1More than 0, then to P2Reappraise after being adjusted;All the other situations, need to re-start multi-storey building structural design;
Wherein, 0≤t≤T, a is the story drift boundary value set, Φ0For the accumulated damage Exponential Bounds limit value set, story drift boundary value a and accumulated damage Exponential Bounds limit value Φ0Determine according to Types of Earthquakes;σ v (x) is poor for velocity standard, and σ s (x) is poor for shift standards, σ2S (x) is square difference of displacement, mΦFor the average of accumulated damage index, σΦ 2For the standard deviation of accumulated damage index, P1For the first standard reliability set, P2For the second standard reliability set;
Described P1、P2Set point be 90%~99.9%, P1Value is determined in advance according to the purposes of structure, P2Value can according to its initial value P '2Carrying out self-adaptative adjustment in scope, concrete adjustment mode is:
When assessing qualified, P2=P '2;
When assessment is defective and meets ψ1During more than 0, P2=P2min。
In this embodiment: adopt dual dynamic reliability degree calculation method to build multi-storey building structure, so that multi-storey building structure is carried out fixing quantity design, construct then according to assess qualified multi-storey building structural model, thus ensureing and improve the shock strength of multi-storey building structure;Simplify the dual dynamic reliability calculating of multi-storey building structure, improve the speed of design;Introduce temperature correction coefficient, the construction factor and envirment factor, carry out the calculating of damage index Φ, improve the precision that multi-storey building structure is carried out fixing quantity design;Under the premise meeting structural safety, P2Value can carry out self-adaptative adjustment according to its initial value in scope, it is possible to is greatly improved efficiency, saves cost, and can greatly reduce potential safety hazard, is greatly improved safety of structure;The value of the first standard reliability is 98%, and desin speed improves 30% than prior art, and safety improves 40% than prior art.
Finally should be noted that; above example is only in order to illustrate technical scheme; but not limiting the scope of the invention; although having made to explain to the present invention with reference to preferred embodiment; it will be understood by those within the art that; technical scheme can be modified or equivalent replacement, without deviating from the spirit and scope of technical solution of the present invention.
Claims (2)
1. the construction method of multi-storey building structure, is characterized in that, comprises the following steps:
(1) by computer-aided design Primary Construction multi-storey building structural model, and the main member of multi-storey building structural model is determined;
(2) according to local seismic fortification intensity, Aseismic Design packet and multi-storey building structure property classification, build the stochastic seismic model of multi-storey building structural model, generate the displacement of corresponding described main member and the power spectral density function of speed;
(3) the power spectral density function calculating according to the displacement of described main member and speed obtains corresponding displacement power spectral density and speed-power spectrum density, it is integrated described displacement power spectral density and speed-power spectrum density calculating, obtains square difference of displacement and the velocity variance of corresponding main member;
(4) at standard temperature W0Under described main member research experiment is drawn its performance parameter, build the damage model of multi-storey building structure according to described performance parameter, calculate damage index Φ, it is considered to the local mean temperature W impact on main member performance parameter, introduce temperature correction coefficient δ, work as W W0Time, temperature correction coefficientAs W≤W0Time, temperature correction coefficientAdditionally consider that component performance parameter can be produced considerable influence by Specific construction situation, local natural environment, and then have influence on damage index Φ, introduce the construction factor and envirment factor, all between 0 to 1, affecting damage index Φ with respective weight a, b, c, the computing formula of damage index Φ is:
Wherein, η is Energy consumption fact, SjFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, SmFor main member maximum displacement within [0, the T] period, E (T) is main member accumulation hysteresis power consumption within [0, the T] period;
(5) by MATLAB, multi-storey building structural model is carried out dual dynamic Reliability assessment, if it is qualified to assess, then construct according to multi-storey building structural model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.
2. the construction method of multi-storey building structure according to claim 1, is characterized in that, when multi-storey building structural model being carried out dual dynamic Reliability assessment by MATLAB, arranges metewand ψ, and wherein the computing formula of metewand ψ is:
Wherein,
If ψ1、ψ2Being all higher than 0, multi-storey building structural model meets design requirement, and it is qualified to assess;If only meeting ψ1More than 0, then to P2Reappraise after being adjusted;All the other situations, need to re-start multi-storey building structural design;
Wherein, 0≤t≤T, a is the story drift boundary value set, Φ0For the accumulated damage Exponential Bounds limit value set, story drift boundary value a and accumulated damage Exponential Bounds limit value Φ0Determine according to Types of Earthquakes;σ v (x) is poor for velocity standard, and σ s (x) is poor for shift standards, σ2S (x) is square difference of displacement, mΦFor the average of accumulated damage index, σΦ 2For the standard deviation of accumulated damage index, P1For the first standard reliability set, P2For the second standard reliability set;
Described P1、P2Set point be 90%~99.9%, P1Value is determined in advance according to the purposes of structure, P2Value can according to its initial value P '2Carrying out self-adaptative adjustment in scope, concrete adjustment mode is:
When assessing qualified, P2=P '2;
When assessment is defective and meets ψ1During more than 0, P2=P2min。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610160935.5A CN105760628A (en) | 2016-03-21 | 2016-03-21 | Construction method of multi-storey residential structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610160935.5A CN105760628A (en) | 2016-03-21 | 2016-03-21 | Construction method of multi-storey residential structure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN105760628A true CN105760628A (en) | 2016-07-13 |
Family
ID=56345345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610160935.5A Pending CN105760628A (en) | 2016-03-21 | 2016-03-21 | Construction method of multi-storey residential structure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105760628A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106021830A (en) * | 2016-07-20 | 2016-10-12 | 邱炎新 | Self-adapting building structure construction error construction method of light steel keel partition wall |
CN106121082A (en) * | 2016-07-20 | 2016-11-16 | 邱炎新 | A kind of shear wall full assembled wallboard attachment structure |
CN106121266A (en) * | 2016-07-20 | 2016-11-16 | 邱炎新 | A kind of existing building encloses the construction method of shell type adding storey structure |
CN106121267A (en) * | 2016-07-20 | 2016-11-16 | 邱炎新 | Transformer station concentrates maintenance storage storehouse construction method |
CN106223554A (en) * | 2016-07-20 | 2016-12-14 | 邱炎新 | A kind of building roof construction method |
CN106223697A (en) * | 2016-07-20 | 2016-12-14 | 邱炎新 | A kind of construction method of antiknock multi-storey building structure |
CN108427849A (en) * | 2018-03-19 | 2018-08-21 | 重庆大学 | It is a kind of fall story frame structure earthquake proof performance analysis method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104239736A (en) * | 2014-09-25 | 2014-12-24 | 广西科技大学 | Structure damage diagnosis method based on power spectrum and intelligent algorithms |
-
2016
- 2016-03-21 CN CN201610160935.5A patent/CN105760628A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104239736A (en) * | 2014-09-25 | 2014-12-24 | 广西科技大学 | Structure damage diagnosis method based on power spectrum and intelligent algorithms |
Non-Patent Citations (3)
Title |
---|
K.SOYLUK: "Comparison of random vibration methods for multi-support seismic excitation analysis of long-span bridges", 《ENGINEERING STRUCTURES》 * |
吕大刚 等: "基于损伤性能的抗震结构最优设防水准的决策方法", 《土木工程学报》 * |
杨伟 等: "基于能量原理的Park&Ang损伤模型简化计算方法", 《地震工程与工程振动》 * |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106021830A (en) * | 2016-07-20 | 2016-10-12 | 邱炎新 | Self-adapting building structure construction error construction method of light steel keel partition wall |
CN106121082A (en) * | 2016-07-20 | 2016-11-16 | 邱炎新 | A kind of shear wall full assembled wallboard attachment structure |
CN106121266A (en) * | 2016-07-20 | 2016-11-16 | 邱炎新 | A kind of existing building encloses the construction method of shell type adding storey structure |
CN106121267A (en) * | 2016-07-20 | 2016-11-16 | 邱炎新 | Transformer station concentrates maintenance storage storehouse construction method |
CN106223554A (en) * | 2016-07-20 | 2016-12-14 | 邱炎新 | A kind of building roof construction method |
CN106223697A (en) * | 2016-07-20 | 2016-12-14 | 邱炎新 | A kind of construction method of antiknock multi-storey building structure |
CN106121266B (en) * | 2016-07-20 | 2018-06-19 | 江西省中宁建筑工程有限公司 | A kind of existing building encloses the construction method of shell type adding storey structure |
CN106121267B (en) * | 2016-07-20 | 2018-11-16 | 江苏源清环保科技有限公司 | Substation concentrates maintenance storage storehouse construction method |
CN106021830B (en) * | 2016-07-20 | 2019-02-26 | 贵州亚美装饰有限公司 | Adaptive building structure builds the construction method of the light steel keel partition of error |
CN108427849A (en) * | 2018-03-19 | 2018-08-21 | 重庆大学 | It is a kind of fall story frame structure earthquake proof performance analysis method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105760628A (en) | Construction method of multi-storey residential structure | |
Ruiz et al. | Modeling and experimental validation of a new type of tuned liquid damper | |
CN104264856A (en) | Hybrid wind vibration system of super high-rise building | |
CN107463748A (en) | Short-shear wall structure seismic Damage appraisal procedure | |
CN103161347B (en) | Performance-based anti-seismic design method under multistage fortification intensity of energy dissipation and shock absorption structure | |
CN105822319A (en) | Highway tunnel structure construction method | |
Elshaer et al. | Variation in wind load and flow of a low-rise building during progressive damage scenario | |
CN104182598A (en) | Constraint damping structure optimizing and designing method based on level set method | |
CN105808879A (en) | Construction method for earthquake-resistant ecological retaining wall | |
CN105844003A (en) | Construction method for building slope roof beam | |
Castaldo et al. | Seismic fragility of structures isolated by single concave sliding devices for different soil conditions | |
CN105740586A (en) | Combined cofferdam construction method under complicated geological conditions | |
CN105740587A (en) | Construction method for foundation pit support of building with basement | |
Vyavahare et al. | Analysis of tall building for across wind response | |
CN105781109A (en) | Construction method for reinforced concrete prefabricated integral casting building structure | |
CN105808876A (en) | Steel truss girder cable-stayed bridge main tower pier top steel girder erection method | |
CN105780799A (en) | Construction method for diaphragm walls in urban construction | |
Kangavar | Seismic propensity of knee braced frame (KBF) as weighed against concentric braced frame (CBF) utilizing ETABS and OPENSEES | |
Choi et al. | Wind-induced response control model for high-rise buildings based on resizing method | |
CN106013916B (en) | Coal mine damage due to mining building aseismicity method of evaluating performance | |
CN103106304A (en) | Earthquake-resistant design method based on property spectrum harmonic function | |
CN105780789A (en) | Anchoring method for steel cofferdam structure | |
CN105808875A (en) | Construction method of back anchor type cantilever combined bracket structure | |
CN105781211A (en) | Construction method for power transmission line steel pipe tower | |
CN105808878A (en) | Construction method of lightgage steel joist partition wall self-adapted to building structure body construction errors |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160713 |
|
RJ01 | Rejection of invention patent application after publication |