CN108009369A - One kind assesses accurate concrete-bridge safety evaluation device - Google Patents
One kind assesses accurate concrete-bridge safety evaluation device Download PDFInfo
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- CN108009369A CN108009369A CN201711322479.0A CN201711322479A CN108009369A CN 108009369 A CN108009369 A CN 108009369A CN 201711322479 A CN201711322479 A CN 201711322479A CN 108009369 A CN108009369 A CN 108009369A
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- 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
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
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Abstract
The present invention provides one kind to assess accurate concrete-bridge safety evaluation device, including the first evaluation subsystem, the second evaluation subsystem and comprehensive assessment subsystem, first evaluation subsystem is used to assess concrete-bridge shock resistance, obtain shock resistance evaluation factor, second evaluation subsystem is used to assess Concrete Bridge Durability, the durability evaluating factor is obtained, the comprehensive assessment subsystem is used to carry out comprehensive assessment according to the security of shock resistance evaluation factor and durability evaluating factor pair concrete-bridge.Beneficial effects of the present invention are：Realize the safety evaluation of concrete-bridge.
Description
Technical field
The present invention relates to bridge technology field, and in particular to one kind assesses accurate concrete-bridge safety evaluation dress
Put.
Background technology
The security of bridge is influenced be subject to many factors, and wherein shock resistance and durability are the most intuitively two sides
Face.
The application of concrete history more than 100 years existing, concrete structure have become the master in current bridges in highway engineering
Guide structure.Concrete is in strong basicity, rebar surface can be made to form the passivating film of densification, protection reinforcing bar is from corrosion, but concrete
It is not as imagining so durable originally in many environment, existing substantial portion of concrete structure durability occurs and asks
Topic.The durability of concrete-bridge refer to foreseeable working environment, material internal factor effect under, bridge structure and component
The ability of its security and applicability is kept within the prescribed time-limit, i.e., under normal design, normal construction and regular service conditions,
Before the deadline, atmospheric effect, chemical erosion and other deterioration factors are resisted, although structural elements gradually degrades, not
Need to spend substantial contribution maintenance to remain to the ability for meeting its predetermined function.
Concrete-bridge is highway and the leading bridge type of Urban Bridge.Due to its material itself and the factor of use environment,
Often there are various endurance issues, it is necessary to is periodically maintained.Due to the complexity of engineering problem
Property, Durability Assessment of Reinforced Concrete Structure and life prediction can run into a large amount of random, fuzzy and incomplete information, there is no ideal
Concrete Bridge Durability assessment and life-span prediction method.
The content of the invention
In view of the above-mentioned problems, the present invention is intended to provide a kind of assess accurate concrete-bridge safety evaluation device.
The purpose of the present invention is realized using following technical scheme：
Provide a kind of accurate concrete-bridge safety evaluation device of assessment, including the first evaluation subsystem, second
Evaluation subsystem and comprehensive assessment subsystem, first evaluation subsystem are used to assess concrete-bridge shock resistance,
Shock resistance evaluation factor is obtained, second evaluation subsystem is used to assess Concrete Bridge Durability, obtains durable
Property evaluation factor, the comprehensive assessment subsystem be used for according to shock resistance evaluation factor and durability evaluating factor pair concrete bridge
The security of beam carries out comprehensive assessment.
Beneficial effects of the present invention are：Realize the safety evaluation of concrete-bridge.
Brief description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not form any limit to the present invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the structure diagram of the present invention；
Reference numeral：
First evaluation subsystem 1, the second evaluation subsystem 2, comprehensive assessment subsystem 3.
Embodiment
The invention will be further described with the following Examples.
Referring to Fig. 1, one kind of the present embodiment assesses accurate concrete-bridge safety evaluation device, including the first assessment
Subsystem 1, the second evaluation subsystem 2 and comprehensive assessment subsystem 3, first evaluation subsystem 1 are used for concrete-bridge
Shock resistance is assessed, obtain shock resistance evaluation factor, second evaluation subsystem 2 be used for Concrete Bridge Durability into
Row assessment, obtains the durability evaluating factor, and the comprehensive assessment subsystem 3 is used to be commented according to shock resistance evaluation factor and durability
The security for estimating factor pair concrete-bridge carries out comprehensive assessment.
The present embodiment realizes the safety evaluation of concrete-bridge.
First evaluation subsystem 1 is used to assess concrete-bridge shock resistance, is specially：By concrete-bridge
Shock resistance evaluation factor of the antidetonation series as concrete-bridge, antidetonation series is higher, represents concrete-bridge anti-seismic performance
Better.
This preferred embodiment realizes shock resistance evaluation factor and accurately obtains.
Second evaluation subsystem 2 includes parameter collection module, model building module, carbonation depth determining module, resistance to
Long property evaluation module and assessment detection module, the parameter collection module are used to gather the concrete-bridge parameter for modeling,
The model building module is used to establish concrete carbonization model according to the concrete-bridge parameter of collection, and the carbonation depth is true
Cover half block is used to calculate each component carbonation depth of concrete-bridge according to concrete carbonization model, and the durability evaluating module is used
The durability of concrete-bridge is assessed according to each component carbonation depth of concrete-bridge, the assessment detection module is used
Test in durability evaluating effect.
This preferred embodiment realizes the durability evaluating of concrete-bridge and the inspection to Evaluated effect.
Preferably, the model building module includes the first modeling submodule, the second modeling submodule and comprehensive modeling
Module, first model for once modeling submodule and being used to establish concrete carbonization, the second modeling submodule are used to build
Second model of vertical concrete carbonization, the comprehensive modeling submodule are used for the first model and the second mould according to concrete carbonization
Type determines concrete carbonization model.
First model for once modeling submodule and being used to establish concrete carbonization, is specially：
In formula, Xc1Represent the first carbonation depth of concrete, W represents the dosage of water and the weight ratio of cement consumption in concrete
Value, t represent bridge active time, and unit is year, β1、β2、β3、β4Curing condition, cement type, flyash dosage are represented respectively
With environmental influence coefficient, β1、β2、β3、β4∈[0,0.5]；
The second modeling submodule is used for the second model for establishing concrete carbonization, is specially：
In formula, Xc2Represent the second carbonation depth of concrete, F represents concrete crushing strength；
The comprehensive modeling submodule is used to determine concrete carbon according to the first model and the second model of concrete carbonization
Change model, be specially：
Xc=δ1Xc1+δ2Xc2
In formula, XcRepresent concrete carbonization depth, δ1、δ2For weight coefficient, δ1、δ2∈ [0,1], δ1+δ2=1.
This preferred embodiment establishes concrete carbonization model by model building module, is follow-up Concrete Bridge Durability
Assessment is laid a good foundation, specifically, establishing in the first model process of concrete carbonization, with the dosage and cement of water in concrete
The weight ratio of dosage is major parameter, has taken into full account the shadow of curing condition, cement type, flyash dosage and environmental condition
Ring, establish in the second model process of concrete carbonization, using concrete crushing strength as major parameter, taken into full account maintenance bar
The influence of part, cement type, flyash dosage and environmental condition, concrete carbonization model to the first model of concrete carbonization and
Second model of concrete carbonization is weighted, and has obtained more accurate concrete carbonization model.
Preferably, the carbonation depth determining module includes bridge member determination sub-module and carbonation depth determines submodule
Block, the bridge member determination sub-module are used for the component for determining concrete-bridge：
The component set of concrete-bridge is：X={ X1,X2,…,Xn, wherein, Xi(i=1,2 ..., n) represent concrete
I-th of component of bridge；
The carbonation depth determination sub-module is used to calculate each component carbonization of concrete-bridge according to concrete carbonization model
Depth：
The corresponding carbonation depth collection of each component of concrete-bridge is combined into：Y={ Y1,Y2,…,Yn, wherein, Yi(i=1,
2 ..., n) represent concrete-bridge i-th of component carbonation depth.
This preferred embodiment determines each component carbonation depth of bridge by carbonation depth determining module, is concrete-bridge
Durability evaluating has established just basis.
Preferably, the durability evaluating module is used for according to each component carbonation depth of concrete-bridge to concrete-bridge
Durability assessed, be specially：
Build the durability evaluating factor：
In formula, P represents Concrete Bridge Durability evaluation factor；Durability evaluating is bigger, shows that bridge durability is better.
This preferred embodiment realizes the durability evaluating of concrete-bridge by building the durability evaluating factor.
Preferably, the assessment detection module is used to test to durability evaluating effect, is specially：
Determine that Evaluated effect examines the factor：
In formula, Z represents that Evaluated effect examines the factor, and m represents the quantity of concrete-bridge, DjExpression utilizes concrete carbonization
Each component of j-th of bridge that model determines each component of j-th of bridge that carbonation depth is measured with Practical Project that is averaged averagely is carbonized
The absolute value of the difference of depth；Evaluated effect examines the factor smaller, represents more accurate to the durability evaluating of bridge.
This preferred embodiment examines the factor by building Evaluated effect, realizes the inspection of Evaluated effect, ensure that durable
Property appreciable levels, important support is provided for bridge construction.
Accurate concrete-bridge safety evaluation device is assessed using the present invention to comment concrete-bridge security
Estimate, choose 5 concrete-bridges and carry out simulated experiments, be respectively concrete-bridge 1, concrete-bridge 2, concrete-bridge 3, mixed
Solidifying soil bridge 4, concrete-bridge 5, count assessment efficiency and assessment accuracy, compared with bridge safty assessment system
Compare, generation is had the beneficial effect that shown in table：
| Efficiency is assessed to improve | Accuracy is assessed to improve | |
| Concrete-bridge 1 | 29% | 27% |
| Concrete-bridge 2 | 27% | 26% |
| Concrete-bridge 3 | 26% | 26% |
| Concrete-bridge 4 | 25% | 24% |
| Concrete-bridge 5 | 24% | 22% |
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, those of ordinary skill in the art should
Work as understanding, can be to technical scheme technical scheme is modified or replaced equivalently, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (8)
1. one kind assesses accurate concrete-bridge safety evaluation device, it is characterised in that including the first evaluation subsystem, the
Two evaluation subsystems and comprehensive assessment subsystem, first evaluation subsystem are used to comment concrete-bridge shock resistance
Estimate, obtain shock resistance evaluation factor, second evaluation subsystem is used to assess Concrete Bridge Durability, obtains resistance to
Long property evaluation factor, the comprehensive assessment subsystem are used for according to shock resistance evaluation factor and durability evaluating factor pair concrete
The security of bridge carries out comprehensive assessment.
2. the accurate concrete-bridge safety evaluation device of assessment according to claim 1, it is characterised in that described the
One evaluation subsystem is used to assess concrete-bridge shock resistance, is specially：Using the antidetonation series of concrete-bridge as
The shock resistance evaluation factor of concrete-bridge, antidetonation series is higher, represents that concrete-bridge anti-seismic performance is better.
3. the accurate concrete-bridge safety evaluation device of assessment according to claim 2, it is characterised in that described the
Two evaluation subsystems include parameter collection module, model building module, carbonation depth determining module, durability evaluating module and comment
Estimate detection module, the parameter collection module is used to gather the concrete-bridge parameter for modeling, the model building module
For establishing concrete carbonization model according to the concrete-bridge parameter of collection, the carbonation depth determining module is used for according to mixed
Solidifying soil Carbonation Model calculates each component carbonation depth of concrete-bridge, and the durability evaluating module is used for according to concrete-bridge
Each component carbonation depth assesses the durability of concrete-bridge, and the assessment detection module is used to imitate durability evaluating
Fruit is tested.
4. the accurate concrete-bridge safety evaluation device of assessment according to claim 3, it is characterised in that the mould
Type, which establishes module, includes the first modeling submodule, the second modeling submodule and comprehensive modeling submodule, described once to model submodule
Block is used for the first model for establishing concrete carbonization, and the second modeling submodule is used for the second mould for establishing concrete carbonization
Type, the comprehensive modeling submodule are used to determine concrete carbonization mould according to the first model and the second model of concrete carbonization
Type.
5. the accurate concrete-bridge safety evaluation device of assessment according to claim 4, it is characterised in that described one
Secondary modeling submodule is used for the first model for establishing concrete carbonization, is specially：
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In formula, Xc1Represent the first carbonation depth of concrete, W represents the dosage of water and the weight ratio of cement consumption in concrete, t
Represent bridge active time, unit is year, β1、β2、β3、β4Curing condition, cement type, flyash dosage and ring are represented respectively
Border condition influences coefficient, β1、β2、β3、β4∈ [0,0.5]；
The second modeling submodule is used for the second model for establishing concrete carbonization, is specially：
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In formula, Xc2Represent the second carbonation depth of concrete, F represents concrete crushing strength；
The comprehensive modeling submodule is used to determine concrete carbonization mould according to the first model and the second model of concrete carbonization
Type, is specially：
Xc=δ1Xc1+δ2Xc2
In formula, XcRepresent concrete carbonization depth, δ1、δ2For weight coefficient, δ1、δ2∈ [0,1], δ1+δ2=1.
6. the accurate concrete-bridge safety evaluation device of assessment according to claim 5, it is characterised in that the carbon
Changing depth determining module includes bridge member determination sub-module and carbonation depth determination sub-module, and the bridge member determines submodule
Block is used for the component for determining concrete-bridge：
The component set of concrete-bridge is：X={ X1, X2..., Xn, wherein, Xi(i=1,2 ..., n) represents concrete-bridge
I-th of component；
The carbonation depth determination sub-module is used to calculate each component carbonation depth of concrete-bridge according to concrete carbonization model：
The corresponding carbonation depth collection of each component of concrete-bridge is combined into：Y={ Y1, Y2..., Yn, wherein, Yi(i=1,2 ..., n)
Represent the carbonation depth of i-th of component of concrete-bridge.
7. the accurate concrete-bridge safety evaluation device of assessment according to claim 6, it is characterised in that described resistance to
Long property evaluation module is used to assess the durability of concrete-bridge according to each component carbonation depth of concrete-bridge, specifically
For：
Build the durability evaluating factor：
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In formula, P represents Concrete Bridge Durability evaluation factor；Durability evaluating is bigger, shows that bridge durability is better.
8. the accurate concrete-bridge safety evaluation device of assessment according to claim 7, it is characterised in that institute's commentary
Estimate detection module to be used to test to durability evaluating effect, be specially：
Determine that Evaluated effect examines the factor：
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In formula, Z represents that Evaluated effect examines the factor, and m represents the quantity of concrete-bridge, DjExpression utilizes concrete carbonization model
Be averaged each component of j-th of bridge of carbonation depth and Practical Project measurement of definite each component of j-th of bridge is averaged carbonation depth
Difference absolute value；Evaluated effect examines the factor smaller, represents more accurate to the durability evaluating of bridge.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711322479.0A CN108009369A (en) | 2017-12-12 | 2017-12-12 | One kind assesses accurate concrete-bridge safety evaluation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711322479.0A CN108009369A (en) | 2017-12-12 | 2017-12-12 | One kind assesses accurate concrete-bridge safety evaluation device |
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| Publication Number | Publication Date |
|---|---|
| CN108009369A true CN108009369A (en) | 2018-05-08 |
Family
ID=62058399
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| CN201711322479.0A Withdrawn CN108009369A (en) | 2017-12-12 | 2017-12-12 | One kind assesses accurate concrete-bridge safety evaluation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940800A (en) * | 2019-11-23 | 2020-03-31 | 山东中建西部建设有限公司 | Simulation detection and evaluation method for service life of concrete member |
| CN113326550A (en) * | 2021-06-02 | 2021-08-31 | 中国建筑第八工程局有限公司 | Real-time detection method for vibration quality of concrete precast bridge |
-
2017
- 2017-12-12 CN CN201711322479.0A patent/CN108009369A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940800A (en) * | 2019-11-23 | 2020-03-31 | 山东中建西部建设有限公司 | Simulation detection and evaluation method for service life of concrete member |
| CN113326550A (en) * | 2021-06-02 | 2021-08-31 | 中国建筑第八工程局有限公司 | Real-time detection method for vibration quality of concrete precast bridge |
| CN113326550B (en) * | 2021-06-02 | 2023-09-29 | 中国建筑第八工程局有限公司 | Real-time verification method for vibration quality of concrete precast bridge |
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