CN105808879A - Construction method for earthquake-resistant ecological retaining wall - Google Patents

Abstract

The invention discloses a construction method for an earthquake-resistant ecological retaining wall, which comprises the steps of: constructing an earthquake-resistant ecological retaining wall structural model; constructing a stochastic earthquake ground motion model of an earthquake-resistant ecological retaining wall structure; calculating displacement power spectral densities and speed power spectral densities of main components of the earthquake-resistant ecological retaining wall structure; constructing a damage model of the earthquake-resistant ecological retaining wall structure; calculating a damage index; carrying out double reliability evaluation on the earthquake-resistant ecological retaining wall structural model; carrying out construction; and the like. According to the construction method disclosed by the invention, construction is carried out according to the earthquake-resistant ecological retaining wall structural model which is qualified by in-advance evaluation, and according to an evaluation result, reasonable regulation is timely carried out; earthquake resistance and structural security are improved; efficiency is improved; and cost is saved.

Description

The construction method of seismic ecological retaining wall

Technical field

The present invention relates to channel revetment technical field, be specifically related to the construction method of seismic ecological retaining wall.

Background technology

In correlation technique, being generally adopted the ecological retaining wall of form structure that building block is piled up, arrange the bar-mat reinforcement of reinforcing time necessary between blocks, wherein, the main member of this ecological retaining wall includes building block, bar-mat reinforcement etc..

Owing to the earthquake intensity of ecological retaining wall property is different with Types of Earthquakes, the anti-seismic performance of this ecology retaining wall is generally poor to the motility adapting to locality requirement, is easily damaged when running into earthquake.

Summary of the invention

For the problems referred to above, the present invention provides the construction method of seismic ecological retaining wall.

The purpose of the present invention realizes by the following technical solutions:

The construction method of seismic ecological retaining wall, comprises the following steps:

(1) by computer-aided design Primary Construction seismic ecological retaining wall structure model, and the main member of seismic ecological retaining wall structure model is determined；

(2) according to local seismic fortification intensity, Aseismic Design packet and seismic ecological retaining wall structure property classification, build the stochastic seismic model of seismic ecological retaining wall structure 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 seismic ecological retaining wall 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:

$\mathrm{\Φ}=(1-\mathrm{\η})\frac{S_m}{S_j}(\mathrm{\δ}a+{\mathrm{\δ}}_{1}b+{\mathrm{\δ}}_{2}c)+\mathrm{\η}\frac{E\left(T\right)}{{\mathrm{QS}}_j}$

Wherein, η is Energy consumption fact, S_jFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, S_mFor 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, seismic ecological retaining wall structure model is carried out dual dynamic Reliability assessment, if it is qualified to assess, the construction of seismic ecological retaining wall is then carried out according to seismic ecological retaining wall structure model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.

Preferably, when seismic ecological retaining wall structure model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:

$\begin{array}{c}\mathrm{\ψ}={\mathrm{\ψ}}_1{\mathrm{\ψ}}_2\\ =\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\}\×\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}\end{array}$

Wherein,

${\mathrm{\Ψ}}_1=\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\},{\mathrm{\Ψ}}_2=\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}$

If ψ₁、ψ₂Being all higher than 0, seismic ecological retaining wall structure 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 the design of seismic ecological retaining wall structure；

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, m_ΦFor the average of accumulated damage index, σ_Φ 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=P_2min。

The invention have the benefit that employing dual dynamic reliability degree calculation method builds seismic ecological retaining wall structure, so that seismic ecological retaining wall structure is carried out fixing quantity design, then according to assess qualified seismic ecological retaining wall structure model to carry out the construction of seismic ecological retaining wall, thus ensureing and improve the shock strength of seismic ecological retaining wall；Simplify the dual dynamic reliability calculating of seismic ecological retaining wall 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 seismic ecological retaining wall 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 seismic ecological retaining wall as shown in Figure 1, comprises the following steps:

(1) by computer-aided design Primary Construction seismic ecological retaining wall structure model, and the main member of seismic ecological retaining wall structure model is determined；

(2) according to local seismic fortification intensity, Aseismic Design packet and seismic ecological retaining wall structure property classification, build the stochastic seismic model of seismic ecological retaining wall structure 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 seismic ecological retaining wall 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:

$\mathrm{\Φ}=(1-\mathrm{\η})\frac{S_m}{S_j}(\mathrm{\δ}a+{\mathrm{\δ}}_{1}b+{\mathrm{\δ}}_{2}c)+\mathrm{\η}\frac{E\left(T\right)}{{\mathrm{QS}}_j}$

Wherein, η is Energy consumption fact, S_jFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, S_mFor 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, seismic ecological retaining wall structure model is carried out dual dynamic Reliability assessment, if it is qualified to assess, the construction of seismic ecological retaining wall is then carried out according to seismic ecological retaining wall structure model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.

Preferably, when seismic ecological retaining wall structure model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:

$\begin{array}{c}\mathrm{\ψ}={\mathrm{\ψ}}_1{\mathrm{\ψ}}_2\\ =\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\}\×\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}\end{array}$

Wherein,

${\mathrm{\Ψ}}_1=\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\},{\mathrm{\Ψ}}_2=\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}$

If ψ₁、ψ₂Being all higher than 0, seismic ecological retaining wall structure 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 the design of seismic ecological retaining wall structure；

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, m_ΦFor the average of accumulated damage index, σ_Φ 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=P_2min。

In this embodiment: adopt dual dynamic reliability degree calculation method to build seismic ecological retaining wall structure, so that seismic ecological retaining wall structure is carried out fixing quantity design, then according to assess qualified seismic ecological retaining wall structure model to carry out the construction of seismic ecological retaining wall, thus ensureing and improve the shock strength of seismic ecological retaining wall；Simplify the dual dynamic reliability calculating of seismic ecological retaining wall 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 seismic ecological retaining wall 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 seismic ecological retaining wall as shown in Figure 1, comprises the following steps:

(1) by computer-aided design Primary Construction seismic ecological retaining wall structure model, and the main member of seismic ecological retaining wall structure model is determined；

(2) according to local seismic fortification intensity, Aseismic Design packet and seismic ecological retaining wall structure property classification, build the stochastic seismic model of seismic ecological retaining wall structure 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 seismic ecological retaining wall 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:

$\mathrm{\Φ}=(1-\mathrm{\η})\frac{S_m}{S_j}(\mathrm{\δ}a+{\mathrm{\δ}}_{1}b+{\mathrm{\δ}}_{2}c)+\mathrm{\η}\frac{E\left(T\right)}{{\mathrm{QS}}_j}$

Wherein, η is Energy consumption fact, S_jFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, S_mFor 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, seismic ecological retaining wall structure model is carried out dual dynamic Reliability assessment, if it is qualified to assess, the construction of seismic ecological retaining wall is then carried out according to seismic ecological retaining wall structure model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.

Preferably, when seismic ecological retaining wall structure model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:

$\begin{array}{c}\mathrm{\ψ}={\mathrm{\ψ}}_1{\mathrm{\ψ}}_2\\ =\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\}\×\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}\end{array}$

Wherein,

${\mathrm{\Ψ}}_1=\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\},{\mathrm{\Ψ}}_2=\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}$

If ψ₁、ψ₂Being all higher than 0, seismic ecological retaining wall structure 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 the design of seismic ecological retaining wall structure；

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, m_ΦFor the average of accumulated damage index, σ_Φ 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=P_2min。

In this embodiment: adopt dual dynamic reliability degree calculation method to build seismic ecological retaining wall structure, so that seismic ecological retaining wall structure is carried out fixing quantity design, then according to assess qualified seismic ecological retaining wall structure model to carry out the construction of seismic ecological retaining wall, thus ensureing and improve the shock strength of seismic ecological retaining wall；Simplify the dual dynamic reliability calculating of seismic ecological retaining wall 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 seismic ecological retaining wall 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 seismic ecological retaining wall as shown in Figure 1, comprises the following steps:

(1) by computer-aided design Primary Construction seismic ecological retaining wall structure model, and the main member of seismic ecological retaining wall structure model is determined；

(2) according to local seismic fortification intensity, Aseismic Design packet and seismic ecological retaining wall structure property classification, build the stochastic seismic model of seismic ecological retaining wall structure 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 seismic ecological retaining wall 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:

$\mathrm{\Φ}=(1-\mathrm{\η})\frac{S_m}{S_j}(\mathrm{\δ}a+{\mathrm{\δ}}_{1}b+{\mathrm{\δ}}_{2}c)+\mathrm{\η}\frac{E\left(T\right)}{{\mathrm{QS}}_j}$

Wherein, η is Energy consumption fact, S_jFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, S_mFor 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, seismic ecological retaining wall structure model is carried out dual dynamic Reliability assessment, if it is qualified to assess, the construction of seismic ecological retaining wall is then carried out according to seismic ecological retaining wall structure model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.

Preferably, when seismic ecological retaining wall structure model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:

$\begin{array}{c}\mathrm{\ψ}={\mathrm{\ψ}}_1{\mathrm{\ψ}}_2\\ =\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\}\×\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}\end{array}$

Wherein,

${\mathrm{\Ψ}}_1=\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\},{\mathrm{\Ψ}}_2=\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}$

If ψ₁、ψ₂Being all higher than 0, seismic ecological retaining wall structure 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 the design of seismic ecological retaining wall structure；

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, m_ΦFor the average of accumulated damage index, σ_Φ 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=P_2min。

In this embodiment: adopt dual dynamic reliability degree calculation method to build seismic ecological retaining wall structure, so that seismic ecological retaining wall structure is carried out fixing quantity design, then according to assess qualified seismic ecological retaining wall structure model to carry out the construction of seismic ecological retaining wall, thus ensureing and improve the shock strength of seismic ecological retaining wall；Simplify the dual dynamic reliability calculating of seismic ecological retaining wall 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 seismic ecological retaining wall 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 seismic ecological retaining wall as shown in Figure 1, comprises the following steps:

(1) by computer-aided design Primary Construction seismic ecological retaining wall structure model, and the main member of seismic ecological retaining wall structure model is determined；

(2) according to local seismic fortification intensity, Aseismic Design packet and seismic ecological retaining wall structure property classification, build the stochastic seismic model of seismic ecological retaining wall structure 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 seismic ecological retaining wall 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:

$\mathrm{\Φ}=(1-\mathrm{\η})\frac{S_m}{S_j}(\mathrm{\δ}a+{\mathrm{\δ}}_{1}b+{\mathrm{\δ}}_{2}c)+\mathrm{\η}\frac{F\left(T\right)}{{\mathrm{QS}}_j}$

Wherein, η is Energy consumption fact, S_jFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, S_mFor 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, seismic ecological retaining wall structure model is carried out dual dynamic Reliability assessment, if it is qualified to assess, the construction of seismic ecological retaining wall is then carried out according to seismic ecological retaining wall structure model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.

Preferably, when seismic ecological retaining wall structure model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:

$\begin{array}{c}\mathrm{\ψ}={\mathrm{\ψ}}_1{\mathrm{\ψ}}_2\\ =\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\}\×\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}\end{array}$

Wherein,

${\mathrm{\Ψ}}_1=\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\},{\mathrm{\Ψ}}_2=\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}$

If ψ₁、ψ₂Being all higher than 0, seismic ecological retaining wall structure 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 the design of seismic ecological retaining wall structure；

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, m_ΦFor the average of accumulated damage index, σ_Φ 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=P_2min。。

In this embodiment: adopt dual dynamic reliability degree calculation method to build seismic ecological retaining wall structure, so that seismic ecological retaining wall structure is carried out fixing quantity design, then according to assess qualified seismic ecological retaining wall structure model to carry out the construction of seismic ecological retaining wall, thus ensureing and improve the shock strength of seismic ecological retaining wall；Simplify the dual dynamic reliability calculating of seismic ecological retaining wall 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 seismic ecological retaining wall 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 seismic ecological retaining wall as shown in Figure 1, comprises the following steps:

(1) by computer-aided design Primary Construction seismic ecological retaining wall structure model, and the main member of seismic ecological retaining wall structure model is determined；

(2) according to local seismic fortification intensity, Aseismic Design packet and seismic ecological retaining wall structure property classification, build the stochastic seismic model of seismic ecological retaining wall structure 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 seismic ecological retaining wall 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:

$\mathrm{\Φ}=(1-\mathrm{\η})\frac{S_m}{S_j}(\mathrm{\δ}a+{\mathrm{\δ}}_{1}b+{\mathrm{\δ}}_{2}c)+\mathrm{\η}\frac{E\left(T\right)}{{\mathrm{QS}}_j}$

Wherein, η is Energy consumption fact, S_jFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, S_mFor 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, seismic ecological retaining wall structure model is carried out dual dynamic Reliability assessment, if it is qualified to assess, the construction of seismic ecological retaining wall is then carried out according to seismic ecological retaining wall structure model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.

Preferably, when seismic ecological retaining wall structure model being carried out dual dynamic Reliability assessment by MATLAB, arranging metewand ψ, wherein the computing formula of metewand ψ is:

$\begin{array}{c}\mathrm{\ψ}={\mathrm{\ψ}}_1{\mathrm{\ψ}}_2\\ =\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\}\×\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}\end{array}$

Wherein,

${\mathrm{\Ψ}}_1=\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp (-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)})dx\]-P_1\},{\mathrm{\Ψ}}_2=\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[{\mathrm{lnm}}_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})\]}{2\ln (1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2})}\]ds-P_2\}$

If ψ₁、ψ₂Being all higher than 0, seismic ecological retaining wall structure 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 the design of seismic ecological retaining wall structure；

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, m_ΦFor the average of accumulated damage index, σ_Φ 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=P_2min。

In this embodiment: adopt dual dynamic reliability degree calculation method to build seismic ecological retaining wall structure, so that seismic ecological retaining wall structure is carried out fixing quantity design, then according to assess qualified seismic ecological retaining wall structure model to carry out the construction of seismic ecological retaining wall, thus ensureing and improve the shock strength of seismic ecological retaining wall；Simplify the dual dynamic reliability calculating of seismic ecological retaining wall 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 seismic ecological retaining wall 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 seismic ecological retaining wall, is characterized in that, comprises the following steps:

(1) by computer-aided design Primary Construction seismic ecological retaining wall structure model, and the main member of seismic ecological retaining wall structure model is determined；

(2) according to local seismic fortification intensity, Aseismic Design packet and seismic ecological retaining wall structure property classification, build the stochastic seismic model of seismic ecological retaining wall structure 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 seismic ecological retaining wall 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:

$\mathrm{\Φ}=(1-\mathrm{\η})\frac{S_m}{S_j}(\mathrm{\δ}a+{\mathrm{\δ}}_{1}b+{\mathrm{\δ}}_{2}c)+\mathrm{\η}\frac{E\left(T\right)}{{\mathrm{QS}}_j}$

Wherein, η is Energy consumption fact, S_jFor extreme displacement, Q is yield load, and T is the Earthquake Intensity vibrations moment more than 50% peak value, S_mFor 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, seismic ecological retaining wall structure model is carried out dual dynamic Reliability assessment, if it is qualified to assess, the construction of seismic ecological retaining wall is then carried out according to seismic ecological retaining wall structure model, if assessing defective, it is likely to result in corresponding potential safety hazard, then needs to redesign.

2. the construction method of seismic ecological retaining wall according to claim 1, is characterized in that, when seismic ecological retaining wall structure model being carried out dual dynamic Reliability assessment by MATLAB, arranges metewand ψ, and wherein the computing formula of metewand ψ is:

$\begin{array}{c}\mathrm{\ψ}={\mathrm{\ψ}}_1{\mathrm{\ψ}}_2\\ =\left\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp \left(-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)}\right)dx\]-P_1\right\}\×\left\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[\ln m_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln \left(1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2}\right)}{2\ln \left(1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2}\right)}\]ds-P_2\right\}\end{array}$

Wherein,

${\mathrm{\Ψ}}_1=\left\{\exp \[-\underset{0}{\overset{t}{\∫}}\frac{1}{\mathrm{\π}}\frac{\mathrm{\σ}v\left(x\right)}{\mathrm{\σ}s\left(x\right)}\exp \left(-\frac{a^2}{2{\mathrm{\σ}}^{2}s\left(x\right)}\right)dx\]-P_1\right\},{\mathrm{\Ψ}}_2=\left\{\underset{0}{\overset{{\mathrm{\Φ}}_0}{\∫}}\[\frac{1}{\sqrt{2\mathrm{\π}}\left(\ln \mathrm{\Φ}\right)s}\exp \frac{\[\ln m_{\mathrm{\Φ}}-\ln s-\frac{1}{2}\ln \left(1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2}\right)}{2\ln \left(1+\frac{{{\mathrm{\σ}}_{\mathrm{\Φ}}}^2}{{m_{\mathrm{\Φ}}}^2}\right)}\]ds-P_2\right\}$

If ψ₁、ψ₂Being all higher than 0, seismic ecological retaining wall structure 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 the design of seismic ecological retaining wall structure；

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, m_ΦFor the average of accumulated damage index, σ_Φ 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=P_2min。