A kind of construction method of underground continuous wall in urban construction
Technical field
The present invention relates to construction of diaphragm wall field, and in particular to a kind of construction of diaphragm wall in urban construction
Method.
Background technology
In correlation technique, when carrying out continuous underground wall structure construction, main member (such as wall of continuous underground wall structure
Beam, plate etc.) parameter selection continue to use canonical parameter in technical specification.
By the earthquake intensity in continuous underground wall structure institute possession is different with Types of Earthquakes, it is designed according to correlation technique
Continuous underground wall structure anti-seismic performance it is poor to adapting to local desired flexibility, on the other hand, lack and connect for underground
The method of the anti-seismic performance rapid evaluation of continuous wall construction.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of construction method of underground continuous wall in urban construction.
The purpose of the present invention is realized using following technical scheme：
A kind of construction method of underground continuous wall in urban construction, comprise the following steps：
(1) by CAD Primary Construction continuous underground wall structure model, and continuous underground wall structure is determined
The main member of model；
(2) according to local seismic fortification intensity, Aseismic Design packet and continuous underground wall structure property classification, structure
The stochastic seismic model of continuous underground wall structure model, the displacement of the corresponding main member of generation and the power spectrum of speed
Spend function；
(3) corresponding displacement power is calculated according to the power spectral density function of the displacement of the main member and speed
Spectrum density and speed-power spectrum density, integral and calculating is carried out to the displacement power spectral density and speed-power spectrum density, obtained
The square difference of displacement and velocity variance of corresponding main member；
(4) in normal temperature W_{0}Under to the main member carry out experimental study draw its performance parameter, according to the property
The damage model of energy parameter structure continuous underground wall structure, calculates damage index Φ, considers local mean temperature W to main member
The influence of performance parameter, temperature correction coefficient δ is introduced, works as W>W_{0}When, temperature correction coefficientAs W≤W_{0}When,
Temperature correction coefficientConsider that Specific construction situation, local natural environment can be to main member performances in addition
Parameter produces considerable influence, and then has influence on damage index Φ, introduces the construction factor and envirment factor, between 0 to 1,
Damage index Φ is influenceed with respective weight a, b, c, damage index Φ calculation formula is：
Wherein, δ_{1}Represent the construction factor, δ_{2}Envirment factor is represented, η is Energy consumption fact, S_{j}For extreme displacement, Q is in the wrong
Load is taken, T is Earthquake Intensity more than the vibrations moment of 50% peak value, S_{m}For dominant bit of the main member within [0, the T] period
Move, E (T) is accumulation hysteresis power consumption of the main member within [0, the T] period；
(5) dual dynamic Reliability assessment is carried out to diaphram wall structural model by MATLAB, if assessment is qualified,
It can then be constructed according to continuous underground wall structure model, if assessment is unqualified, be likely to result in corresponding potential safety hazard,
Then need to be redesigned.
Preferably, when carrying out dual dynamic Reliability assessment to diaphram wall structural model by MATLAB, setting is commented
Estimate coefficient ψ, wherein metewand ψ calculation formula is：
Wherein,
If ψ_{1}、ψ_{2}0 is all higher than, continuous underground wall structure model meets design requirement, and it is qualified to assess；If only meet ψ_{1}It is more than
0, then to P_{2}Reappraised after being adjusted；Remaining situation, continuous underground wall structure design need to be re-started；
Wherein, 0≤t≤T, t represent a time point in [0, the T] period, and A is the story drift boundary value of setting,
Φ_{0}For the accumulated damage index boundary value of setting, story drift boundary value a and accumulated damage index boundary value Φ_{0}According to earthquake
Type determines；σ v (x) are that velocity standard is poor, and σ s (x) are that shift standards are poor, σ^{2}S (x) is square difference of displacement, m_{Φ}Refer to for accumulated damage
Several averages, σ_{Φ} ^{2}For the standard deviation of accumulated damage index, P_{1}For the first standard reliability of setting, P_{2}For the second standard of setting
Reliability；
The P_{1}、P_{2}Setting range be 90%~99.9%, P_{1}Value determines in advance according to the purposes of structure, P_{2}Value can root
According to its initial value P '_{2}Adaptively adjusted in the range of, specific adjustment mode is：
When assessing qualified, P_{2}=P '_{2}；
When assessment is unqualified and meets ψ_{1}During more than 0, P_{2}=P_{2min}。
Beneficial effects of the present invention are：Continuous underground wall structure is built using dual dynamic reliability degree calculation method, with right
Structure carries out quantitative control design case, is then constructed according to the qualified continuous underground wall structure model of design, so as to ensure simultaneously
Improve the shock strength of continuous underground wall structure；The dual dynamic reliability calculating of continuous underground wall structure has been simplified, has been improved
The speed of design；Temperature correction coefficient, the construction factor and envirment factor are introduced, carries out damage index Φ calculating, is improved pair
Structure carries out the precision of quantitative control design case；On the premise of structure safety is met, P_{2}Value can be according to its initial value in the range of
Adaptively adjusted, efficiency can be greatly improved, it is cost-effective；Shock resistance is carried out to the dual reliability of continuous underground wall structure
The assessment of energy aspect, can greatly reduce potential safety hazard, greatly improve safety of structure.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not form any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is flow chart of the method for the present invention.
Embodiment
The invention will be further described with the following Examples.
Embodiment 1：A kind of construction method of underground continuous wall in urban construction as shown in Figure 1, comprises the following steps：
(1) by CAD Primary Construction continuous underground wall structure model, and continuous underground wall structure is determined
The main member of model；
(2) according to local seismic fortification intensity, Aseismic Design packet and continuous underground wall structure property classification, structure
The stochastic seismic model of continuous underground wall structure model, the displacement of the corresponding main member of generation and the power spectrum of speed
Spend function；
(3) corresponding displacement power is calculated according to the power spectral density function of the displacement of the main member and speed
Spectrum density and speed-power spectrum density, integral and calculating is carried out to the displacement power spectral density and speed-power spectrum density, obtained
The square difference of displacement and velocity variance of corresponding main member；
(4) in normal temperature W_{0}Under to the main member carry out experimental study draw its performance parameter, according to the property
The damage model of energy parameter structure continuous underground wall structure, calculates damage index Φ, considers local mean temperature W to main member
The influence of performance parameter, temperature correction coefficient δ is introduced, works as W>W_{0}When, temperature correction coefficientAs W≤W_{0}When,
Temperature correction coefficientConsider that Specific construction situation, local natural environment can be to main member performances in addition
Parameter produces considerable influence, and then has influence on damage index Φ, introduces the construction factor and envirment factor, between 0 to 1,
Damage index Φ is influenceed with respective weight a, b, c, damage index Φ calculation formula is：
Wherein, δ_{1}Represent the construction factor, δ_{2}Envirment factor is represented, η is Energy consumption fact, S_{j}For extreme displacement, Q is in the wrong
Load is taken, T is Earthquake Intensity more than the vibrations moment of 50% peak value, S_{m}For dominant bit of the main member within [0, the T] period
Move, E (T) is accumulation hysteresis power consumption of the main member within [0, the T] period；
(5) dual dynamic Reliability assessment is carried out to diaphram wall structural model by MATLAB, if assessment is qualified,
It can then be constructed according to continuous underground wall structure model, if assessment is unqualified, be likely to result in corresponding potential safety hazard,
Then need to be redesigned.
Preferably, when carrying out dual dynamic Reliability assessment to diaphram wall structural model by MATLAB, setting is commented
Estimate coefficient ψ, wherein metewand ψ calculation formula is：
Wherein,
If ψ_{1}、ψ_{2}0 is all higher than, continuous underground wall structure model meets design requirement, and it is qualified to assess；If only meet ψ_{1}It is more than
0, then to P_{2}Reappraised after being adjusted；Remaining situation, continuous underground wall structure design need to be re-started；
Wherein, 0≤t≤T, t represent a time point in [0, the T] period, and A is the story drift boundary value of setting,
Φ_{0}For the accumulated damage index boundary value of setting, story drift boundary value a and accumulated damage index boundary value Φ_{0}According to earthquake
Type determines；σ v (x) are that velocity standard is poor, and σ s (x) are that shift standards are poor, σ^{2}S (x) is square difference of displacement, m_{Φ}Refer to for accumulated damage
Several averages, σ_{Φ} ^{2}For the standard deviation of accumulated damage index, P_{1}For the first standard reliability of setting, P_{2}For the second standard of setting
Reliability；
The P_{1}、P_{2}Setting range be 90%~99.9%, P_{1}Value determines in advance according to the purposes of structure, P_{2}Value can root
According to its initial value P '_{2}Adaptively adjusted in the range of, specific adjustment mode is：
When assessing qualified, P_{2}=P '_{2}；
When assessment is unqualified and meets ψ_{1}During more than 0, P_{2}=P_{2min}。
In this embodiment：Continuous underground wall structure is built using dual dynamic reliability degree calculation method, to enter to structure
The quantitative control design case of row, is then constructed according to the qualified continuous underground wall structure model of design, so as to ensure and improve ground
The shock strength of continuous wall construction down；The dual dynamic reliability calculating of continuous underground wall structure has been simplified, has improved design
Speed；Temperature correction coefficient, the construction factor and envirment factor are introduced, damage index Φ calculating is carried out, improves and structure is entered
The precision of the quantitative control design case of row；On the premise of structure safety is met, P_{2}Value can be carried out certainly according to its initial value in the range of
Adjustment is adapted to, efficiency can be greatly improved, it is cost-effective；In terms of anti-seismic performance being carried out to the dual reliability of continuous underground wall structure
Assessment, potential safety hazard can be greatly reduced, greatly improve safety of structure；The value of first standard reliability is 90%, if
Meter speed improves 50% than correlation technique, and security improves 20% than correlation technique.
Embodiment 2：A kind of construction method of underground continuous wall in urban construction as shown in Figure 1, comprises the following steps：
(1) by CAD Primary Construction continuous underground wall structure model, and continuous underground wall structure is determined
The main member of model；
(2) according to local seismic fortification intensity, Aseismic Design packet and continuous underground wall structure property classification, structure
The stochastic seismic model of continuous underground wall structure model, the displacement of the corresponding main member of generation and the power spectrum of speed
Spend function；
(3) corresponding displacement power is calculated according to the power spectral density function of the displacement of the main member and speed
Spectrum density and speed-power spectrum density, integral and calculating is carried out to the displacement power spectral density and speed-power spectrum density, obtained
The square difference of displacement and velocity variance of corresponding main member；
(4) in normal temperature W_{0}Under to the main member carry out experimental study draw its performance parameter, according to the property
The damage model of energy parameter structure continuous underground wall structure, calculates damage index Φ, considers local mean temperature W to main member
The influence of performance parameter, temperature correction coefficient δ is introduced, works as W>W_{0}When, temperature correction coefficientAs W≤W_{0}When,
Temperature correction coefficientConsider that Specific construction situation, local natural environment can be to main member performances in addition
Parameter produces considerable influence, and then has influence on damage index Φ, introduces the construction factor and envirment factor, between 0 to 1,
Damage index Φ is influenceed with respective weight a, b, c, damage index Φ calculation formula is：
Wherein, δ_{1}Represent the construction factor, δ_{2}Envirment factor is represented, η is Energy consumption fact, S_{j}For extreme displacement, Q is in the wrong
Load is taken, T is Earthquake Intensity more than the vibrations moment of 50% peak value, S_{m}For dominant bit of the main member within [0, the T] period
Move, E (T) is accumulation hysteresis power consumption of the main member within [0, the T] period；
(5) dual dynamic Reliability assessment is carried out to diaphram wall structural model by MATLAB, if assessment is qualified,
It can then be constructed according to continuous underground wall structure model, if assessment is unqualified, be likely to result in corresponding potential safety hazard,
Then need to be redesigned.
Preferably, when carrying out dual dynamic Reliability assessment to diaphram wall structural model by MATLAB, setting is commented
Estimate coefficient ψ, wherein metewand ψ calculation formula is：
Wherein,
If ψ_{1}、ψ_{2}0 is all higher than, continuous underground wall structure model meets design requirement, and it is qualified to assess；If only meet ψ_{1}It is more than
0, then to P_{2}Reappraised after being adjusted；Remaining situation, continuous underground wall structure design need to be re-started；
Wherein, 0≤t≤T, t represent a time point in [0, the T] period, and A is the story drift boundary value of setting,
Φ_{0}For the accumulated damage index boundary value of setting, story drift boundary value a and accumulated damage index boundary value Φ_{0}According to earthquake
Type determines；σ v (x) are that velocity standard is poor, and σ s (x) are that shift standards are poor, σ^{2}S (x) is square difference of displacement, m_{Φ}Refer to for accumulated damage
Several averages, σ_{Φ} ^{2}For the standard deviation of accumulated damage index, P_{1}For the first standard reliability of setting, P_{2}For the second standard of setting
Reliability；
The P_{1}、P_{2}Setting range be 90%~99.9%, P_{1}Value determines in advance according to the purposes of structure, P_{2}Value can root
According to its initial value P '_{2}Adaptively adjusted in the range of, specific adjustment mode is：
When assessing qualified, P_{2}=P '_{2}；
When assessment is unqualified and meets ψ_{1}During more than 0, P_{2}=P_{2min}。
In this embodiment：Continuous underground wall structure is built using dual dynamic reliability degree calculation method, to enter to structure
The quantitative control design case of row, is then constructed according to the qualified continuous underground wall structure model of design, so as to ensure and improve ground
The shock strength of continuous wall construction down；The dual dynamic reliability calculating of continuous underground wall structure has been simplified, has improved design
Speed；Temperature correction coefficient, the construction factor and envirment factor are introduced, damage index Φ calculating is carried out, improves and structure is entered
The precision of the quantitative control design case of row；On the premise of structure safety is met, P_{2}Value can be carried out certainly according to its initial value in the range of
Adjustment is adapted to, efficiency can be greatly improved, it is cost-effective；In terms of anti-seismic performance being carried out to the dual reliability of continuous underground wall structure
Assessment, potential safety hazard can be greatly reduced, greatly improve safety of structure；The value of first standard reliability is 92%, if
Meter speed improves 45% than correlation technique, and security improves 25% than correlation technique.
Embodiment 3：A kind of construction method of underground continuous wall in urban construction as shown in Figure 1, comprises the following steps：
(1) by CAD Primary Construction continuous underground wall structure model, and continuous underground wall structure is determined
The main member of model；
(2) according to local seismic fortification intensity, Aseismic Design packet and continuous underground wall structure property classification, structure
The stochastic seismic model of continuous underground wall structure model, the displacement of the corresponding main member of generation and the power spectrum of speed
Spend function；
(3) corresponding displacement power is calculated according to the power spectral density function of the displacement of the main member and speed
Spectrum density and speed-power spectrum density, integral and calculating is carried out to the displacement power spectral density and speed-power spectrum density, obtained
The square difference of displacement and velocity variance of corresponding main member；
(4) in normal temperature W_{0}Under to the main member carry out experimental study draw its performance parameter, according to the property
The damage model of energy parameter structure continuous underground wall structure, calculates damage index Φ, considers local mean temperature W to main member
The influence of performance parameter, temperature correction coefficient δ is introduced, works as W>W_{0}When, temperature correction coefficientAs W≤W_{0}When,
Temperature correction coefficientConsider that Specific construction situation, local natural environment can be to main member performances in addition
Parameter produces considerable influence, and then has influence on damage index Φ, introduces the construction factor and envirment factor, between 0 to 1,
Damage index Φ is influenceed with respective weight a, b, c, damage index Φ calculation formula is：
Wherein, δ_{1}Represent the construction factor, δ_{2}Envirment factor is represented, η is Energy consumption fact, S_{j}For extreme displacement, Q is in the wrong
Load is taken, T is Earthquake Intensity more than the vibrations moment of 50% peak value, S_{m}For dominant bit of the main member within [0, the T] period
Move, E (T) is accumulation hysteresis power consumption of the main member within [0, the T] period；
(5) dual dynamic Reliability assessment is carried out to diaphram wall structural model by MATLAB, if assessment is qualified,
It can then be constructed according to continuous underground wall structure model, if assessment is unqualified, be likely to result in corresponding potential safety hazard,
Then need to be redesigned.
Preferably, when carrying out dual dynamic Reliability assessment to diaphram wall structural model by MATLAB, setting is commented
Estimate coefficient ψ, wherein metewand ψ calculation formula is：
Wherein,
If ψ_{1}、ψ_{2}0 is all higher than, continuous underground wall structure model meets design requirement, and it is qualified to assess；If only meet ψ_{1}It is more than
0, then to P_{2}Reappraised after being adjusted；Remaining situation, continuous underground wall structure design need to be re-started；
Wherein, 0≤t≤T, t represent a time point in [0, the T] period, and A is the story drift boundary value of setting,
Φ_{0}For the accumulated damage index boundary value of setting, story drift boundary value a and accumulated damage index boundary value Φ_{0}According to earthquake
Type determines；σ v (x) are that velocity standard is poor, and σ s (x) are that shift standards are poor, σ^{2}S (x) is square difference of displacement, m_{Φ}Refer to for accumulated damage
Several averages, σ_{Φ} ^{2}For the standard deviation of accumulated damage index, P_{1}For the first standard reliability of setting, P_{2}For the second standard of setting
Reliability；
The P_{1}、P_{2}Setting range be 90%~99.9%, P_{1}Value determines in advance according to the purposes of structure, P_{2}Value can root
According to its initial value P '_{2}Adaptively adjusted in the range of, specific adjustment mode is：
When assessing qualified, P_{2}=P '_{2}；
When assessment is unqualified and meets ψ_{1}During more than 0, P_{2}=P_{2min}。
In this embodiment：Continuous underground wall structure is built using dual dynamic reliability degree calculation method, to enter to structure
The quantitative control design case of row, is then constructed according to the qualified continuous underground wall structure model of design, so as to ensure and improve ground
The shock strength of continuous wall construction down；The dual dynamic reliability calculating of continuous underground wall structure has been simplified, has improved design
Speed；Temperature correction coefficient, the construction factor and envirment factor are introduced, damage index Φ calculating is carried out, improves and structure is entered
The precision of the quantitative control design case of row；On the premise of structure safety is met, P_{2}Value can be carried out certainly according to its initial value in the range of
Adjustment is adapted to, efficiency can be greatly improved, it is cost-effective；In terms of anti-seismic performance being carried out to the dual reliability of continuous underground wall structure
Assessment, potential safety hazard can be greatly reduced, greatly improve safety of structure；The value of first standard reliability is 94%, if
Meter speed improves 40% than correlation technique, and security improves 30% than correlation technique.
Embodiment 4：A kind of construction method of underground continuous wall in urban construction as shown in Figure 1, comprises the following steps：
(1) by CAD Primary Construction continuous underground wall structure model, and continuous underground wall structure is determined
The main member of model；
(2) according to local seismic fortification intensity, Aseismic Design packet and continuous underground wall structure property classification, structure
The stochastic seismic model of continuous underground wall structure model, the displacement of the corresponding main member of generation and the power spectrum of speed
Spend function；
(3) corresponding displacement power is calculated according to the power spectral density function of the displacement of the main member and speed
Spectrum density and speed-power spectrum density, integral and calculating is carried out to the displacement power spectral density and speed-power spectrum density, obtained
The square difference of displacement and velocity variance of corresponding main member；
(4) in normal temperature W_{0}Under to the main member carry out experimental study draw its performance parameter, according to the property
The damage model of energy parameter structure continuous underground wall structure, calculates damage index Φ, considers local mean temperature W to main member
The influence of performance parameter, temperature correction coefficient δ is introduced, works as W>W_{0}When, temperature correction coefficientAs W≤W_{0}When,
Temperature correction coefficientConsider that Specific construction situation, local natural environment can be to main member performances in addition
Parameter produces considerable influence, and then has influence on damage index Φ, introduces the construction factor and envirment factor, between 0 to 1,
Damage index Φ is influenceed with respective weight a, b, c, damage index Φ calculation formula is：
Wherein, δ_{1}Represent the construction factor, δ_{2}Envirment factor is represented, η is Energy consumption fact, S_{j}For extreme displacement, Q is in the wrong
Load is taken, T is Earthquake Intensity more than the vibrations moment of 50% peak value, S_{m}For dominant bit of the main member within [0, the T] period
Move, E (T) is accumulation hysteresis power consumption of the main member within [0, the T] period；
(5) dual dynamic Reliability assessment is carried out to diaphram wall structural model by MATLAB, if assessment is qualified,
It can then be constructed according to continuous underground wall structure model, if assessment is unqualified, be likely to result in corresponding potential safety hazard,
Then need to be redesigned.
Preferably, when carrying out dual dynamic Reliability assessment to diaphram wall structural model by MATLAB, setting is commented
Estimate coefficient ψ, wherein metewand ψ calculation formula is：
Wherein,
If ψ_{1}、ψ_{2}0 is all higher than, continuous underground wall structure model meets design requirement, and it is qualified to assess；If only meet ψ_{1}It is more than
0, then to P_{2}Reappraised after being adjusted；Remaining situation, continuous underground wall structure design need to be re-started；
Wherein, 0≤t≤T, t represent a time point in [0, the T] period, and A is the story drift boundary value of setting,
Φ_{0}For the accumulated damage index boundary value of setting, story drift boundary value a and accumulated damage index boundary value Φ_{0}According to earthquake
Type determines；σ v (x) are that velocity standard is poor, and σ s (x) are that shift standards are poor, σ^{2}S (x) is square difference of displacement, m_{Φ}Refer to for accumulated damage
Several averages, σ_{Φ} ^{2}For the standard deviation of accumulated damage index, P_{1}For the first standard reliability of setting, P_{2}For the second standard of setting
Reliability；
The P_{1}、P_{2}Setting range be 90%~99.9%, P_{1}Value determines in advance according to the purposes of structure, P_{2}Value can root
According to its initial value P '_{2}Adaptively adjusted in the range of, specific adjustment mode is：
When assessing qualified, P_{2}=P '_{2}；
When assessment is unqualified and meets ψ_{1}During more than 0, P_{2}=P_{2min}。。
In this embodiment：Continuous underground wall structure is built using dual dynamic reliability degree calculation method, to enter to structure
The quantitative control design case of row, is then constructed according to the qualified continuous underground wall structure model of design, so as to ensure and improve ground
The shock strength of continuous wall construction down；The dual dynamic reliability calculating of continuous underground wall structure has been simplified, has improved design
Speed；Temperature correction coefficient, the construction factor and envirment factor are introduced, damage index Φ calculating is carried out, improves and structure is entered
The precision of the quantitative control design case of row；On the premise of structure safety is met, P_{2}Value can be carried out certainly according to its initial value in the range of
Adjustment is adapted to, efficiency can be greatly improved, it is cost-effective；In terms of anti-seismic performance being carried out to the dual reliability of continuous underground wall structure
Assessment, potential safety hazard can be greatly reduced, greatly improve safety of structure；The value of first standard reliability is 96%, if
Meter speed improves 35% than correlation technique, and security improves 35% than correlation technique.
Embodiment 5：A kind of construction method of underground continuous wall in urban construction as shown in Figure 1, comprises the following steps：
(1) by CAD Primary Construction continuous underground wall structure model, and continuous underground wall structure is determined
The main member of model；
(2) according to local seismic fortification intensity, Aseismic Design packet and continuous underground wall structure property classification, structure
The stochastic seismic model of continuous underground wall structure model, the displacement of the corresponding main member of generation and the power spectrum of speed
Spend function；
(3) corresponding displacement power is calculated according to the power spectral density function of the displacement of the main member and speed
Spectrum density and speed-power spectrum density, integral and calculating is carried out to the displacement power spectral density and speed-power spectrum density, obtained
The square difference of displacement and velocity variance of corresponding main member；
(4) in normal temperature W_{0}Under to the main member carry out experimental study draw its performance parameter, according to the property
The damage model of energy parameter structure continuous underground wall structure, calculates damage index Φ, considers local mean temperature W to main member
The influence of performance parameter, temperature correction coefficient δ is introduced, works as W>W_{0}When, temperature correction coefficientAs W≤W_{0}When,
Temperature correction coefficientConsider that Specific construction situation, local natural environment can be to main member performances in addition
Parameter produces considerable influence, and then has influence on damage index Φ, introduces the construction factor and envirment factor, between 0 to 1,
Damage index Φ is influenceed with respective weight a, b, c, damage index Φ calculation formula is：
Wherein, δ_{1}Represent the construction factor, δ_{2}Envirment factor is represented, η is Energy consumption fact, S_{j}For extreme displacement, Q is in the wrong
Load is taken, T is Earthquake Intensity more than the vibrations moment of 50% peak value, S_{m}For dominant bit of the main member within [0, the T] period
Move, E (T) is accumulation hysteresis power consumption of the main member within [0, the T] period；
(5) dual dynamic Reliability assessment is carried out to diaphram wall structural model by MATLAB, if assessment is qualified,
It can then be constructed according to continuous underground wall structure model, if assessment is unqualified, be likely to result in corresponding potential safety hazard,
Then need to be redesigned.
Preferably, when carrying out dual dynamic Reliability assessment to diaphram wall structural model by MATLAB, setting is commented
Estimate coefficient ψ, wherein metewand ψ calculation formula is：
Wherein,
If ψ_{1}、ψ_{2}0 is all higher than, continuous underground wall structure model meets design requirement, and it is qualified to assess；If only meet ψ_{1}It is more than
0, then to P_{2}Reappraised after being adjusted；Remaining situation, continuous underground wall structure design need to be re-started；
Wherein, 0≤t≤T, t represent a time point in [0, the T] period, and A is the story drift boundary value of setting,
Φ_{0}For the accumulated damage index boundary value of setting, story drift boundary value a and accumulated damage index boundary value Φ_{0}According to earthquake
Type determines；σ v (x) are that velocity standard is poor, and σ s (x) are that shift standards are poor, σ^{2}S (x) is square difference of displacement, m_{Φ}Refer to for accumulated damage
Several averages, σ_{Φ} ^{2}For the standard deviation of accumulated damage index, P_{1}For the first standard reliability of setting, P_{2}For the second standard of setting
Reliability；
The P_{1}、P_{2}Setting range be 90%~99.9%, P_{1}Value determines in advance according to the purposes of structure, P_{2}Value can root
According to its initial value P '_{2}Adaptively adjusted in the range of, specific adjustment mode is：
When assessing qualified, P_{2}=P '_{2}；
When assessment is unqualified and meets ψ_{1}During more than 0, P_{2}=P_{2min}。
In this embodiment：Continuous underground wall structure is built using dual dynamic reliability degree calculation method, to enter to structure
The quantitative control design case of row, is then constructed according to the qualified continuous underground wall structure model of design, so as to ensure and improve ground
The shock strength of continuous wall construction down；The dual dynamic reliability calculating of continuous underground wall structure has been simplified, has improved design
Speed；Temperature correction coefficient, the construction factor and envirment factor are introduced, damage index Φ calculating is carried out, improves and structure is entered
The precision of the quantitative control design case of row；On the premise of structure safety is met, P_{2}Value can be carried out certainly according to its initial value in the range of
Adjustment is adapted to, efficiency can be greatly improved, it is cost-effective；In terms of anti-seismic performance being carried out to the dual reliability of continuous underground wall structure
Assessment, potential safety hazard can be greatly reduced, greatly improve safety of structure；The value of first standard reliability is 98%, if
Meter speed improves 30% than correlation technique, and security improves 40% than correlation technique.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.