CN101963003A - Main machine hall of million unit thermal power plant in octave seismic area - Google Patents
Main machine hall of million unit thermal power plant in octave seismic area Download PDFInfo
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- CN101963003A CN101963003A CN 201010523600 CN201010523600A CN101963003A CN 101963003 A CN101963003 A CN 101963003A CN 201010523600 CN201010523600 CN 201010523600 CN 201010523600 A CN201010523600 A CN 201010523600A CN 101963003 A CN101963003 A CN 101963003A
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Abstract
The invention discloses a main machine hall of a million unit thermal power plant in an octave seismic area, comprising a steam engine bay, a deaerator bay and a bunker bay, wherein the steam engine bay and the bunker bay are respectively positioned at both sides of the deaerator bay; the steam engine bay and the deaerator bay are in an integral structure; the structures of the steam engine bay and the deaerator bay are reinforced concrete frame structures; the bunker bay, the steam engine bay and the deaerator bay are separately independently arranged; and the structure of the bunker bay is a frame-short-leg shear wall reinforced concrete structure. The invention has simple, convenient and reasonable structure arrangement, can meet the requirements of anti-seismic defences of the octave seismic area, brings convenience for the installation of equipment and pipelines by providing lateral stiffness resistance without arranging a large quantity of steel inclined struts and also outstandingly reduces the engineering cost.
Description
Technical field
The present invention relates to industrial building, the main building of 1,000,000 unit steam power station, especially a kind of octave earthquake zone.
Background technology
The main building of existing steam power station mainly by between steam turbine, deaerator bay and bunker bay form, it has multiple form of structure, commonly used have reinforced concrete frame structure and a steel framed structure, in general, adopt steel framed structure in highly seismic region (8 degree provide fortification against earthquakes and more than), think that steel framed structure has better anti-seismic performance; Adopt reinforced concrete frame structure in low intensity area, in the hope of saving cost.But, in the highly seismic region, have certain anti-side rigidity in order to make steel frame construction, arrange a large amount of steel diagonal braces 4 (as shown in Figure 1) in the vertical plane domestic demand, these steel diagonal braces 4 have influenced the equipment running space, and it is dumb to cause various pipes to be arranged; And, the installation requirement of steel structure node also than higher, has been increased difficulty of construction, in addition, adopt steel work, cause the main building construction costs also higher.
Summary of the invention
The objective of the invention is to, the main building of 1,000,000 unit steam power station, a kind of octave earthquake zone is provided, satisfies the Structural Design Requirement that " seismic design provision in building code " (GB50011-2001) stipulated, structural configuration is succinct and reasonable simultaneously, help the installation of equipment and pipeline, and cost is low.
To achieve these goals, the technical solution used in the present invention is: the main building of 1,000,000 unit steam power station, a kind of octave earthquake zone, comprise between steam turbine, deaerator bay and bunker bay, wherein lay respectively at the both sides of deaerator bay between steam turbine with bunker bay, between described steam turbine and described deaerator bay be integral structure, and between this steam turbine and the structure of this deaerator bay be reinforced concrete frame structure; Between described bunker bay and described steam turbine and described deaerator bay separate independent layout, and the structure of this bunker bay is framework-shear wall with short piers reinforced concrete structure.
As the preferred version of technique scheme, the length direction with described deaerator bay between the length direction of described bunker bay and described steam turbine is vertical, and dispersed placement has the steel concrete shear wall with short piers around this bunker bay.
Compared with prior art, the present invention has following beneficial effect.
(1) between bunker bay of the present invention and steam turbine and deaerator bay separate independent the layout, between bunker bay, steam turbine and deaerator bay all than the structure of existing integral type main building rule more, so help improving the shock resistance of structure.
(2) bunker bay adopts framework-shear wall with short piers reinforced concrete structure, and its structure has the characteristics of plane and vertical rule, and as calculated, first and second vibration shape is translation, and the translation coefficient is respectively 1.0 and 0.99, and the description architecture systematicness is fine; And the maximum displacement ratio is 1/1007 (vertically) and 1/1327 between the structural elasticity phase layer, less than setting (1/800) requirement; The maximum displacement angle is 1/114 between structure elastic-plastic deformation phase layer, less than definite value (1/100) requirement.Therefore, satisfy the Structural Design Requirement that " seismic design provision in building code " (GB50011-2001) stipulated.
(3) because framework-shear wall with short piers reinforced concrete structure has made full use of the anti-side rigidity of wall limb, shear wall is along the bunker bay periphery, also can significantly improve the torsional rigidity of structure, and the vertical plane of structure needs no longer to arrange that a large amount of diagonal braces satisfy the anti-side requirement of structure, therefore can provide a large amount of internal operations space for pipeline and equipment, like this, not only save the civil works cost, also saved the cost of technology and equipment aspect.
In a word, structural configuration of the present invention is succinctly reasonable, can satisfy the requirement that 8 degree districts provide fortification against earthquakes, and, owing to do not need to arrange that a large amount of steel diagonal braces provides anti-side rigidity, offer convenience for the installation of equipment and pipeline, also significantly reduced construction costs simultaneously.
Description of drawings
Fig. 1 is the structural representation of main building in the prior art;
Fig. 2 is the layout plan of the embodiment of the invention;
Fig. 3 is the layout plan of embodiment of the invention bunker bay;
The front view of Fig. 4 embodiment of the invention bunker bay;
Fig. 5 is the lateral view of embodiment of the invention bunker bay;
Fig. 6 is between embodiment of the invention steam turbine and the lateral view of deaerator bay.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated.
As shown in Figure 2, the power plant main building adopts the side coal bunker to arrange, between steam turbine 1 and deaerator bay 2 be integral structure (for ease of narrating, below being collectively referred to as between steam turbine-deaerator bay), and between bunker bay and steam turbine-deaerator bay separates independent the layout, and be positioned at deaerator bay 2 back to a side of 1 between steam turbine.With between bunker bay 3 and steam turbine-deaerator bay separates independent the layout, compare with original monolithic construction, between bunker bay 3 and steam turbine-deaerator bay is all on plane and vertically more regular, helps improving the shock resistance of structure.Further the structure of present embodiment is described below, for convenience of explanation, the length direction of structural system is defined as vertically, the width of structural system is defined as laterally.
To shown in Figure 5, bunker bay 3 is multistory frame-shear wall with short piers reinforced concrete structure as Fig. 3.Dispersed placement has steel concrete shear wall with short piers 3a around the bunker bay 3, and bunker bay 3 internal placement have reinforced concrete post 3b.The cross section major part of steel concrete shear wall with short piers 3a is "T"-shaped or " L " shape.Shear wall with short piers 3a along the periphery of bunker bay 3, can significantly improve the torsional rigidity of structure owing to made full use of the anti-side rigidity of wall limb; And the vertical plane of structure needs no longer to arrange that a large amount of diagonal braces satisfy the anti-side requirement of structure, can also provide a large amount of internal operations space for inside provides pipeline and equipment, like this, not only save the civil works cost, also saved the cost of technology and equipment aspect.
As Fig. 1 and shown in Figure 6, between steam turbine-the integrated multistory reinforced concrete frame structure of deaerator bay.Between steam turbine-and vertical totally 23 axis of deaerator bay, horizontal totally 5 axis, wherein A to B colonnade is 1 framework between steam turbine, B to C colonnade is deaerator bay 2 frameworks.
In the middle of actual engineering design, at first cooperate the position of determining to be provided with shear wall with the technology specialty, determine position, quantity and the size of wall then by calculating according to the needs of providing fortification against earthquakes.After setting up block mold, adopt software for calculation to divide various operating modes to analyze, carry out Cross section Design, thereby determine steel concrete column, reinforced concrete post, shear wall uniform section and arrangement of reinforcement by the internal force that calculates.Compare with traditional thermal power plant structural system, with between bunker bay 3 and steam turbine-deaerator bay separates independent the layout, and, between steam turbine-deaerator bay employing reinforced concrete frame structure, bunker bay 3 adopts framework-shear wall with short piers 3a reinforced concrete structure, structural configuration is succinctly reasonable, can satisfy the requirement that 8 degree districts provide fortification against earthquakes.By computational analysis and experimental study, first and second vibration shape is translation, and the translation coefficient is respectively 1.0 and 0.99, and the description architecture systematicness is fine; The maximum displacement ratio is 1/1007 (vertically) and 1/1327 between the structural elasticity phase layer; Less than setting (1/800) requirement; The maximum displacement angle is 1/114 between structure elastic-plastic deformation phase layer, less than definite value (1/100) requirement.
For traditional system, owing to do not need to arrange that a large amount of steel diagonal braces provides anti-side rigidity, offer convenience for the installation of equipment and pipeline, also significantly reduced construction costs simultaneously.It is estimated, compare that the present invention is applied in the 1000MW unit, can save construction costs＞3,000 ten thousand yuan with steel work.
Be specific embodiments of the invention only below, do not limit protection scope of the present invention with this; Any replacement and the improvement done on the basis of not violating the present invention's design all belong to protection scope of the present invention.
Claims (2)
1. the main building of 1,000,000 unit steam power station, an octave earthquake zone, comprise between steam turbine, deaerator bay and bunker bay, wherein lay respectively at the both sides of deaerator bay between steam turbine with bunker bay, it is characterized in that: between described steam turbine and described deaerator bay be integral structure, and between this steam turbine and the structure of this deaerator bay be reinforced concrete frame structure; Between described bunker bay and described steam turbine and described deaerator bay separate independent layout, and the structure of this bunker bay is framework-shear wall with short piers reinforced concrete structure.
2. the main building of 1,000,000 unit steam power station, octave according to claim 1 earthquake zone, it is characterized in that: the length direction with described deaerator bay between the length direction of described bunker bay and described steam turbine is vertical, and dispersed placement has the steel concrete shear wall with short piers around this bunker bay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010523600 CN101963003A (en) | 2010-10-28 | 2010-10-28 | Main machine hall of million unit thermal power plant in octave seismic area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010523600 CN101963003A (en) | 2010-10-28 | 2010-10-28 | Main machine hall of million unit thermal power plant in octave seismic area |
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| CN101963003A true CN101963003A (en) | 2011-02-02 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566013A (en) * | 2009-06-03 | 2009-10-28 | 西安建筑科技大学 | Main factory building structure system for large-scale thermal power plant |
| CN101672118A (en) * | 2009-09-28 | 2010-03-17 | 中国电力工程顾问集团西北电力设计院 | Main workshop structure of large heat power plant |
| CN201826579U (en) * | 2010-10-28 | 2011-05-11 | 广东省电力设计研究院 | Main plant building of eight-degree seismic area thermal power plant with millions of units |
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2010
- 2010-10-28 CN CN 201010523600 patent/CN101963003A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566013A (en) * | 2009-06-03 | 2009-10-28 | 西安建筑科技大学 | Main factory building structure system for large-scale thermal power plant |
| CN101672118A (en) * | 2009-09-28 | 2010-03-17 | 中国电力工程顾问集团西北电力设计院 | Main workshop structure of large heat power plant |
| CN201826579U (en) * | 2010-10-28 | 2011-05-11 | 广东省电力设计研究院 | Main plant building of eight-degree seismic area thermal power plant with millions of units |
Non-Patent Citations (3)
| Title |
|---|
| 《东南大学学报》 20091130 康灵果等 大型火力发电厂框排架主厂房结构动力特性研究 全文 1－2 第39卷, 2 * |
| 《电力勘测设计》 20091031 范永春 1000MW超越临界机组主厂房布置格局探讨 全文 1－2 , 第5期 2 * |
| 《电力建设》 20090531 俞玮等 火电厂侧煤仓间布置的应用及其施工组织 第74页左栏第2行至76页左栏第11行，图3 1－2 第30卷, 第5期 2 * |
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Application publication date: 20110202 |