CN109765021A - A kind of quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior - Google Patents
A kind of quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior Download PDFInfo
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- CN109765021A CN109765021A CN201811463069.2A CN201811463069A CN109765021A CN 109765021 A CN109765021 A CN 109765021A CN 201811463069 A CN201811463069 A CN 201811463069A CN 109765021 A CN109765021 A CN 109765021A
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- bridge pier
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- likelihood ratio
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Abstract
The invention discloses a kind of quality compensation methods for precast assembly bridge pier Experimental Study on Seismic Behavior, comprising: step S1: calculate test component due to the structure likelihood ratio reduced scale and the power likelihood ratio scaling generate it is of poor quality；Step S2: a test component is provided, and buries several rod irons the inside of test component is pre-；Step S3: loading several additional masses on rod iron, the gross mass of several additional masses with it is of poor quality equal.The present invention is of poor quality by increasing additional mass elimination, keeps experimental result truer, and test data is more accurate, provides more accurate reference for engineering project practice, provides more true data for FEM Numerical Simulation.
Description
Technical field
The present invention relates to the technical fields of precast assembly bridge pier Experimental Study on Seismic Behavior, more particularly to one kind to be used for precast assembly
The quality compensation method of bridge pier Experimental Study on Seismic Behavior.
Background technique
Full precast assembly concrete-bridge building technology is a kind of main structure by concrete-bridge upper and lower part structure
Part carries out assembled bridge construction technology at prefabricated workshop pre-production, scene.Wherein, big according to girder section form, across footpath
The construction features such as small, the girder of bridge superstructure using longitudinal perps divide bridge it is wide, entirely across by beam prefabricated, as plate-girder, T beam,
Small box girder etc.；Or spanning, overall with precast segment, such as section box girder are divided using lateral perps；The segments such as bridge floor guardrail, dividing strip
It is prefabricated；Bent cap, pier stud, cushion cap, foundation pile of bridge substructure bridge pier, and abutment body, the barricade of abutment etc. are used as basic building block,
Integral prefabricated or precast segment is used according to its size respectively；Traditional infrastructure-pier-superstructure sequence construction mistake
Journey becomes parallel process；On-site consolidation construction is carried out using transport and spanning equipment by specialized construction personnel, is added
Fast construction speed.
As lower part bridge pier uses application of the section assembling construction technology in high earthquake danger zone, for bridge pier antidetonation
The experimental study of performance is just particularly important.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of quality benefits for precast assembly bridge pier Experimental Study on Seismic Behavior
Compensation method.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior, wherein include:
Step S1: calculate test component due to the structure likelihood ratio reduced scale and the power likelihood ratio scaling generate it is of poor quality；
Step S2: a test component is provided, and buries several rod irons the inside of the test component is pre-；
Step S3: several additional masses, the gross mass of several additional masses and institute are loaded on the rod iron
It states of poor quality equal.
The above-mentioned quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior, wherein in the step S1,
The structure likelihood ratio is the cube of the length likelihood ratio.
The above-mentioned quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior, wherein in the step S1,
The power likelihood ratio is the quadratic power of the length likelihood ratio.
The above-mentioned quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior, wherein in the step S2,
The inside of the test component is embedded in the middle part of two rod irons, the both ends of each rod iron protrude from the test structure
Part.
The above-mentioned quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior, wherein in the step S2,
Two rod irons are parallel.
The above-mentioned quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior, wherein in the step S3,
Several additional masses load on the two sides of two rod irons respectively.
Due to using above-mentioned technology, the good effect for being allowed to have compared with prior art is the present invention:
(1) present invention is of poor quality by increasing additional mass elimination, keeps experimental result truer, test data is more
Accurately, more accurate reference is provided for engineering project practice, provides more true data for FEM Numerical Simulation.
Detailed description of the invention
Fig. 1 is the structural plan figure of the quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior of the invention.
Fig. 2 is the structural facades figure of the quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior of the invention.
In attached drawing: 1, test component；2, rod iron；3, additional mass.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
Fig. 1 is the structural plan figure of the quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior of the invention,
Fig. 2 is the structural facades figure of the quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior of the invention, refers to figure
1, shown in Fig. 2, a kind of quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior of preferred embodiment is shown, is wrapped
It includes:
Step S1: calculate test component 1 due to the structure likelihood ratio reduced scale and the power likelihood ratio scaling generate it is of poor quality；
Step S2: a test component 1 is provided, and buries several rod irons 2 the inside of test component 1 is pre-；
Step S3: several additional masses 3, gross mass and the phase of poor quality of several additional masses 3 are loaded on rod iron 2
Deng.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses.
The present invention also has on the basis of the above is implemented as follows mode:
In further embodiment of the present invention, continuing with referring to shown in Fig. 1, Fig. 2, in step sl, the structure likelihood ratio is
The cube of the length likelihood ratio.
In further embodiment of the present invention, in step sl, the power likelihood ratio is the quadratic power of the length likelihood ratio.
In further embodiment of the present invention, in step s 2, the middle part of two rod irons 2 is embedded in the inside of test component 1,
The both ends of each rod iron 2 protrude from test component 1.
In further embodiment of the present invention, in step s 2, two rod irons 2 are parallel.
In further embodiment of the present invention, in step s3, several additional masses 3 load on two rod irons 2 respectively
Two sides.
In precast assembly bridge pier Experimental Study on Seismic Behavior, reduced scale is carried out by structure similarity comparison structure, passes through the phase of power
It is zoomed in and out like power is compared, wherein the structure likelihood ratio is the cube of the length likelihood ratio, and the likelihood ratio of power is the length likelihood ratio
Quadratic power, this results in only being less than normal by the power that the quality of structure generates, therefore is disappeared by increasing several additional masses 3
Except above-mentioned of poor quality, experimental result can be made truer, test data is more accurate, provides more for engineering project practice
Accurately reference, provides more true data for FEM Numerical Simulation.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that all with made by description of the invention and diagramatic content
Equivalent replacement and obviously change obtained scheme, should all be included within the scope of the present invention.
Claims (6)
1. a kind of quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior characterized by comprising step S1:
Calculate test component due to the structure likelihood ratio reduced scale and the power likelihood ratio scaling generate it is of poor quality；
Step S2: a test component is provided, and buries several rod irons the inside of the test component is pre-；
Step S3: several additional masses, the gross mass and the matter of several additional masses are loaded on the rod iron
Amount difference is equal.
2. the quality compensation method according to claim 1 for precast assembly bridge pier Experimental Study on Seismic Behavior, feature exist
In in the step S1, the structure likelihood ratio is the cube of the length likelihood ratio.
3. the quality compensation method according to claim 1 for precast assembly bridge pier Experimental Study on Seismic Behavior, feature exist
In in the step S1, the power likelihood ratio is the quadratic power of the length likelihood ratio.
4. the quality compensation method according to claim 1 for precast assembly bridge pier Experimental Study on Seismic Behavior, feature exist
In being embedded in the inside of the test component, the both ends of each rod iron in the middle part of two rod irons in the step S2
Protrude from the test component.
5. the quality compensation method according to claim 4 for precast assembly bridge pier Experimental Study on Seismic Behavior, feature exist
In in the step S2, two rod irons are parallel.
6. the quality compensation method according to claim 5 for precast assembly bridge pier Experimental Study on Seismic Behavior, feature exist
In in the step S3, several additional masses load on the two sides of two rod irons respectively.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820611313 | 2018-04-26 | ||
| CN2018206113134 | 2018-04-26 |
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| Publication Number | Publication Date |
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| CN109765021A true CN109765021A (en) | 2019-05-17 |
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| CN201811463069.2A Pending CN109765021A (en) | 2018-04-26 | 2018-12-03 | A kind of quality compensation method for precast assembly bridge pier Experimental Study on Seismic Behavior |
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Citations (7)
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| JP2015040735A (en) * | 2013-08-21 | 2015-03-02 | 西松建設株式会社 | Simulated seismic isolation building, seismic isolation-testing apparatus, and seismic isolation-testing method |
| CN104458177A (en) * | 2014-12-17 | 2015-03-25 | 福州大学 | Earthquake simulation shaking table test bearing model counterweight device and construction method thereof |
| CN105865734A (en) * | 2016-04-28 | 2016-08-17 | 福州大学 | Loading device for testing anti-seismic property of reinforced concrete bridge pier and usage method |
| CN205662838U (en) * | 2016-06-03 | 2016-10-26 | 南京工业大学 | Prestressing force joint construction of pier is assembled to prefabricated segment |
| CN106644336A (en) * | 2016-11-02 | 2017-05-10 | 西安建筑科技大学 | Ground fracture-crossing experimental system and method for frame structure |
| CN107764492A (en) * | 2017-09-30 | 2018-03-06 | 中国地质大学（武汉） | A kind of model test method and system of research framework structural vibration response feature |
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| CN101950029A (en) * | 2010-06-04 | 2011-01-19 | 北京工业大学 | Wall column dual-purpose structural model earthquake simulation shaking table test device and manufacturing and implementing method thereof |
| JP2015040735A (en) * | 2013-08-21 | 2015-03-02 | 西松建設株式会社 | Simulated seismic isolation building, seismic isolation-testing apparatus, and seismic isolation-testing method |
| CN104458177A (en) * | 2014-12-17 | 2015-03-25 | 福州大学 | Earthquake simulation shaking table test bearing model counterweight device and construction method thereof |
| CN105865734A (en) * | 2016-04-28 | 2016-08-17 | 福州大学 | Loading device for testing anti-seismic property of reinforced concrete bridge pier and usage method |
| CN205662838U (en) * | 2016-06-03 | 2016-10-26 | 南京工业大学 | Prestressing force joint construction of pier is assembled to prefabricated segment |
| CN106644336A (en) * | 2016-11-02 | 2017-05-10 | 西安建筑科技大学 | Ground fracture-crossing experimental system and method for frame structure |
| CN107764492A (en) * | 2017-09-30 | 2018-03-06 | 中国地质大学（武汉） | A kind of model test method and system of research framework structural vibration response feature |
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Application publication date: 20190517 |