CN109738053A - A kind of concrete filled steel tube transmission tower determines method and device natural vibration period - Google Patents
A kind of concrete filled steel tube transmission tower determines method and device natural vibration period Download PDFInfo
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- CN109738053A CN109738053A CN201811430098.9A CN201811430098A CN109738053A CN 109738053 A CN109738053 A CN 109738053A CN 201811430098 A CN201811430098 A CN 201811430098A CN 109738053 A CN109738053 A CN 109738053A
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Abstract
The present invention relates to determine that method and device, method include that the corresponding regulation coefficient of the concrete filled steel tube transmission tower is determined according to the height of concrete filled steel tube transmission tower casting concrete a kind of concrete filled steel tube transmission tower natural vibration period；The natural vibration period of concrete filled steel tube transmission tower is determined according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower；The present invention obtains the corresponding regulation coefficient of concrete filled steel tube transmission tower in the case where considering the height of casting concrete, and then concrete filled steel tube transmission tower natural vibration period is obtained according to the corresponding regulation coefficient of concrete filled steel tube transmission tower, the natural vibration period obtained compared with prior art is more accurate.
Description
Technical field
The present invention relates to electric power project engineering design and construction fields, and in particular to a kind of concrete filled steel tube transmission tower from
Cycle determination method of shaking and device.
Background technique
High voltage, large capacity, long distance powedr transmission are the emphasis of power grid construction.It is divide, is big to adapt to this demand for development more
The technology of transmission of electricitys such as cross section wire, multiple-loop line, extra-high voltage, Great span are used widely.Bring shaft tower height is continuous therewith
Increase, shaft tower bearing load is continuously increased.With the continuous increase of transmission of electricity tower height degree and load, transmit electricity relative to full steel structure
The advantage of tower, concrete filled steel tube power transmission tower can be more and more obvious.However, for the dynamic characteristics of concrete filled steel tube transmission tower
Research is insufficient, without the simplified calculation method of concrete filled steel tube transmission tower." loading code for design of building structures " (GB50009-
2001) range for providing the estimation formula of tower structure natural vibration period is too wide, and it is suitable for having consecutive variations shape
With the tower structure of quality, and transmits electricity and structure and do not meet this feature.
The power transmission tower measurement research that China's power department is done, obtained Transmission Tower approximate formula natural vibration period
It is as follows are as follows:
In formula, H is full tower height degree；B is tower head width；B is that root opens width.
Since the various informative of Transmission Tower, height are different, such as dry word tower, wineglass tower, cat-head transmission tower, and inhomogeneity
Type, different height power transmission tower have the characteristics that natural vibration period different, this formula can not be suitable for all types of transmissions of electricity
Tower structure, the natural vibration period for the concrete filled steel tube transmission tower structure that current specifications calculates and actual conditions difference are larger.Into
More accurate calculation formula natural vibration period is needed when row transmission of electricity Deethanizer design.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to propose to a kind of concrete filled steel tube transmission tower natural vibration periods
It determines method, solves the problems, such as that natural vibration period that the prior art obtains and actual conditions difference are larger.
The purpose of the present invention is adopt the following technical solutions realization:
The present invention provides a kind of concrete filled steel tube transmission tower and determines method natural vibration period, it is improved in that method
Include:
Determine that the concrete filled steel tube transmission tower is corresponding according to the height of concrete filled steel tube transmission tower casting concrete
Regulation coefficient；
The self-vibration of concrete filled steel tube transmission tower is determined according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower
Period.
Preferably, the height according to concrete filled steel tube transmission tower casting concrete determines that the concrete filled steel tube is defeated
The corresponding regulation coefficient of electric pole tower, comprising:
The corresponding regulation coefficient β of the concrete filled steel tube transmission tower is determined as the following formula:
In formula, H is the full tower height degree of concrete filled steel tube transmission tower；H pours coagulation for concrete filled steel tube transmission tower
The height of soil.
Preferably, described to determine that concrete filled steel tube is transmitted electricity according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower
The natural vibration period of shaft tower, comprising:
T natural vibration period of the concrete filled steel tube transmission tower is determined as the following formula:
T=β T0
In formula, T0For the natural vibration period of the steel pipe transmission tower of non-casting concrete, β is the concrete filled steel tube power transmission rod
The corresponding regulation coefficient of tower.
Further, T natural vibration period of the steel pipe transmission tower of the non-casting concrete is determined as the following formula0:
In formula, α is regulation coefficient natural vibration period of the steel pipe transmission tower of non-casting concrete；B is steel pipe transmission tower
Tower head width；B is that the root of steel pipe transmission tower opens width.
The present invention provides a kind of concrete filled steel tube transmission tower determining device natural vibration period, it is improved in that device
Include:
Regulation coefficient determining module, for determining the steel according to the height of concrete filled steel tube transmission tower casting concrete
The corresponding regulation coefficient of pipe concrete transmission tower；
Natural vibration period determining module, for determining steel pipe according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower
The natural vibration period of concrete transmission tower.
Preferably, the regulation coefficient determining module, is specifically used for:
The corresponding regulation coefficient β of the concrete filled steel tube transmission tower is determined as the following formula:
In formula, H is the full tower height degree of concrete filled steel tube transmission tower；H pours coagulation for concrete filled steel tube transmission tower
The height of soil.
Preferably, determining module natural vibration period, is specifically used for:
T natural vibration period of the concrete filled steel tube transmission tower is determined as the following formula:
T=β T0
In formula, T0For the natural vibration period of the steel pipe transmission tower of non-casting concrete, β is the concrete filled steel tube power transmission rod
The corresponding regulation coefficient of tower.
Further, T natural vibration period of the steel pipe transmission tower of the non-casting concrete is determined as the following formula0:
In formula, α is regulation coefficient natural vibration period of the steel pipe transmission tower of non-casting concrete；B is steel pipe transmission tower
Tower head width；B is that the root of steel pipe transmission tower opens width.
Compared with the immediate prior art, the invention has the benefit that
A kind of concrete filled steel tube transmission tower provided by the invention determines method and device natural vibration period, according to steel tube concrete
The height of native transmission tower casting concrete determines the corresponding regulation coefficient of the concrete filled steel tube transmission tower；According to the steel
The corresponding regulation coefficient of pipe concrete transmission tower determines the natural vibration period of concrete filled steel tube transmission tower；The present invention is considering to pour
The corresponding regulation coefficient of concrete filled steel tube transmission tower is obtained in the case where the height for building concrete, and then according to concrete filled steel tube
The corresponding regulation coefficient of transmission tower obtains concrete filled steel tube transmission tower natural vibration period, the self-vibration week obtained compared with prior art
Phase is more accurate.
Detailed description of the invention
Fig. 1 is that concrete filled steel tube transmission tower of the present invention determines method flow diagram natural vibration period；
Fig. 2 is concrete filled steel tube transmission tower determining device natural vibration period schematic diagram of the present invention.
Specific embodiment
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
The present invention provides a kind of concrete filled steel tube transmission tower and determines method natural vibration period, as shown in Figure 1, method includes:
Step 1. determines the concrete filled steel tube power transmission rod according to the height of concrete filled steel tube transmission tower casting concrete
The corresponding regulation coefficient of tower；
Step 2. determines concrete filled steel tube transmission tower according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower
Natural vibration period.
Wherein, concrete filled steel tube transmission tower determines that step 1 includes: in method natural vibration period
The corresponding regulation coefficient β of the concrete filled steel tube transmission tower is determined as the following formula:
In formula, H is the full tower height degree of concrete filled steel tube transmission tower；H pours coagulation for concrete filled steel tube transmission tower
The height of soil；
Concrete filled steel tube transmission tower determines that step 2 includes: in method natural vibration period
T natural vibration period of the concrete filled steel tube transmission tower is determined as the following formula:
T=β T0
In formula, T0For the natural vibration period of the steel pipe transmission tower of non-casting concrete, β is the concrete filled steel tube power transmission rod
The corresponding regulation coefficient of tower.
Further, T natural vibration period of the steel pipe transmission tower of the non-casting concrete in step 20It can as the following formula really
It is fixed:
In formula, α is regulation coefficient natural vibration period of the steel pipe transmission tower of non-casting concrete；B is steel pipe transmission tower
Tower head width；B is that the root of steel pipe transmission tower opens width.
Further, T natural vibration period of the steel pipe transmission tower of the non-casting concrete in step 20It can use transmission of electricity
Shaft tower finite element model determines.
The present invention provides a kind of concrete filled steel tube transmission tower determining device natural vibration period, as shown in Fig. 2, device includes:
Regulation coefficient determining module, for determining the steel according to the height of concrete filled steel tube transmission tower casting concrete
The corresponding regulation coefficient of pipe concrete transmission tower；
Natural vibration period determining module, for determining steel pipe according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower
The natural vibration period of concrete transmission tower.
Preferably, the regulation coefficient determining module, is specifically used for:
The corresponding regulation coefficient β of the concrete filled steel tube transmission tower is determined as the following formula:
In formula, H is the full tower height degree of concrete filled steel tube transmission tower；H pours coagulation for concrete filled steel tube transmission tower
The height of soil.
Preferably, determining module natural vibration period, is specifically used for:
T natural vibration period of the concrete filled steel tube transmission tower is determined as the following formula:
T=β T0
In formula, T0For the natural vibration period of the steel pipe transmission tower of non-casting concrete, β is the concrete filled steel tube power transmission rod
The corresponding regulation coefficient of tower.
Further, T natural vibration period of the steel pipe transmission tower of the non-casting concrete is determined as the following formula0:
In formula, α is regulation coefficient natural vibration period of the steel pipe transmission tower of non-casting concrete；B is steel pipe transmission tower
Tower head width；B is that the root of steel pipe transmission tower opens width；
Further, T natural vibration period of the steel pipe transmission tower of the non-casting concrete in step 20It can also utilize defeated
Electric pole tower finite element model determines.
In conclusion a kind of concrete filled steel tube transmission tower natural vibration period provided by the invention determines method and device, root
The corresponding regulation coefficient of the concrete filled steel tube transmission tower is determined according to the height of concrete filled steel tube transmission tower casting concrete；
The natural vibration period of concrete filled steel tube transmission tower is determined according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower；This hair
It is bright to obtain the corresponding regulation coefficient of concrete filled steel tube transmission tower, and then basis in the case where considering the height of casting concrete
The corresponding regulation coefficient of concrete filled steel tube transmission tower obtains concrete filled steel tube transmission tower natural vibration period, compared with prior art
The natural vibration period arrived is more accurate.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions each in flowchart and/or the block diagram
The combination of process and/or box in process and/or box and flowchart and/or the block diagram.It can provide these computers
Processor of the program instruction to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices
To generate a machine, so that generating use by the instruction that computer or the processor of other programmable data processing devices execute
In the dress for realizing the function of specifying in one or more flows of the flowchart and/or one or more blocks of the block diagram
It sets.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail referring to above-described embodiment for pipe, it should be understood by those ordinary skilled in the art that: still
It can be with modifications or equivalent substitutions are made to specific embodiments of the invention, and without departing from any of spirit and scope of the invention
Modification or equivalent replacement, should all cover within the scope of the claims of the present invention.
Claims (8)
1. a kind of concrete filled steel tube transmission tower determines method natural vibration period, which is characterized in that the described method includes:
The corresponding tune of the concrete filled steel tube transmission tower is determined according to the height of concrete filled steel tube transmission tower casting concrete
Integral coefficient；
The natural vibration period of concrete filled steel tube transmission tower is determined according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower.
2. the method as described in claim 1, which is characterized in that described according to concrete filled steel tube transmission tower casting concrete
Height determines the corresponding regulation coefficient of the concrete filled steel tube transmission tower, comprising:
The corresponding regulation coefficient β of the concrete filled steel tube transmission tower is determined as the following formula:
In formula, H is the full tower height degree of concrete filled steel tube transmission tower；H is the casting concrete of concrete filled steel tube transmission tower
Highly.
3. the method as described in claim 1, which is characterized in that described according to the corresponding tune of the concrete filled steel tube transmission tower
Integral coefficient determines the natural vibration period of concrete filled steel tube transmission tower, comprising:
T natural vibration period of the concrete filled steel tube transmission tower is determined as the following formula:
T=β T0
In formula, T0For the natural vibration period of the steel pipe transmission tower of non-casting concrete, β is the concrete filled steel tube transmission tower pair
The regulation coefficient answered.
4. method as claimed in claim 3, which is characterized in that determine the steel pipe power transmission rod of the non-casting concrete as the following formula
T natural vibration period of tower0:
In formula, α is regulation coefficient natural vibration period of the steel pipe transmission tower of non-casting concrete；B is the tower of steel pipe transmission tower
Head width；B is that the root of steel pipe transmission tower opens width.
5. a kind of concrete filled steel tube transmission tower determining device natural vibration period, which is characterized in that described device includes:
Regulation coefficient determining module, for determining that the steel pipe is mixed according to the height of concrete filled steel tube transmission tower casting concrete
Coagulate the corresponding regulation coefficient of soil transmission tower；
Natural vibration period determining module, for determining steel tube concrete according to the corresponding regulation coefficient of the concrete filled steel tube transmission tower
The natural vibration period of native transmission tower.
6. device as claimed in claim 5, which is characterized in that the regulation coefficient determining module is specifically used for:
The corresponding regulation coefficient β of the concrete filled steel tube transmission tower is determined as the following formula:
In formula, H is the full tower height degree of concrete filled steel tube transmission tower；H is the casting concrete of concrete filled steel tube transmission tower
Highly.
7. device as claimed in claim 5, which is characterized in that determining module natural vibration period is specifically used for:
T natural vibration period of the concrete filled steel tube transmission tower is determined as the following formula:
T=β T0
In formula, T0For the natural vibration period of the steel pipe transmission tower of non-casting concrete, β is the concrete filled steel tube transmission tower pair
The regulation coefficient answered.
8. device as claimed in claim 7, which is characterized in that determine the steel pipe power transmission rod of the non-casting concrete as the following formula
T natural vibration period of tower0:
In formula, α is regulation coefficient natural vibration period of the steel pipe transmission tower of non-casting concrete；B is the tower of steel pipe transmission tower
Head width；B is that the root of steel pipe transmission tower opens width.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811430098.9A CN109738053B (en) | 2018-11-28 | 2018-11-28 | Method and device for determining self-vibration period of concrete-filled steel tube transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811430098.9A CN109738053B (en) | 2018-11-28 | 2018-11-28 | Method and device for determining self-vibration period of concrete-filled steel tube transmission tower |
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| CN109738053A true CN109738053A (en) | 2019-05-10 |
| CN109738053B CN109738053B (en) | 2022-11-01 |
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| CN103790427A (en) * | 2012-10-31 | 2014-05-14 | 同济大学 | Steel tube component connecting structure capable of restraining vortex-induced vibration |
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| CN106949936A (en) * | 2017-04-27 | 2017-07-14 | 武汉大学 | The method that Transmission Tower mode is analyzed using binocular vision displacement monitoring system |
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2018
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|---|---|---|---|---|
| CN101638947A (en) * | 2009-08-20 | 2010-02-03 | 中国电力科学研究院 | Vibration damper for ultrahigh-voltage steel tube tower |
| US20140123750A1 (en) * | 2011-06-10 | 2014-05-08 | State Grid Information & Telecommunication Branch | Method and system for monitoring power transmission line of power grid |
| CN103790427A (en) * | 2012-10-31 | 2014-05-14 | 同济大学 | Steel tube component connecting structure capable of restraining vortex-induced vibration |
| CN105740549A (en) * | 2016-02-01 | 2016-07-06 | 西安交通大学 | Wind vibration simulation method of 220kV power transmission line tower line coupled system |
| CN106949936A (en) * | 2017-04-27 | 2017-07-14 | 武汉大学 | The method that Transmission Tower mode is analyzed using binocular vision displacement monitoring system |
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