CN204983211U - Removable semi -girder trussing in back realizes shaking - Google Patents
Removable semi -girder trussing in back realizes shaking Download PDFInfo
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- CN204983211U CN204983211U CN201520580834.4U CN201520580834U CN204983211U CN 204983211 U CN204983211 U CN 204983211U CN 201520580834 U CN201520580834 U CN 201520580834U CN 204983211 U CN204983211 U CN 204983211U
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- semi
- girder
- web member
- beam section
- flange
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Abstract
The utility model discloses a removable semi -girder trussing in back realizes shaking, it includes a core section of thick bamboo, frame post and semi -girder truss. The semi -girder truss set up in a core section of thick bamboo reaches between the frame post. The semi -girder truss includes energy dissipation roof beam section, upper chord, lower chord and web member. Lower chord parallel arrangement in the below of upper chord. Web member slope set up in the upper chord with between the lower chord. The web member divide into first end and second end, the extension direction of the first end of web member alternately, web member second end with a core section of thick bamboo or the frame support connnection. Energy dissipation roof beam section both ends respectively with the first end of web member is connected. A core section of thick bamboo sets up in the middle of the building. The frame post sets up in the building peripherally. Shake the removable semi -girder trussing in back when the earthquake energy dissipation roof beam section can consume seismic energy, has played the effect of protection web member, just the energy dissipation roof beam duan zhenhou change easily, has reduced the economic loss who brings after the earthquake.
Description
Technical field
The utility model belongs to field of civil engineering, particularly relates to a kind of realization and shakes rear removable semi-girder trussing.
Background technology
Along with expanding economy, the main trend having become urban construction built in a large number by super highrise building.Most super highrise building have employed the structure that intercooler core cylinder combines with external surrounding frame trestle, by arranging the force and deformation that semi-girder truss is coordinated between Core Walls Structure and frame column.
Under violent earthquake, current semi-girder truss damages owing to being subject to very large shearing action, and wherein the damage of semi-girder truss majority is the diagonal web member pressurized surrender of semi-girder truss, and this damage is difficult to repair after earthquake, and then causes serious economic loss.
Utility model content
The utility model is intended at least to solve one of technical problem existed in prior art.For this reason, the utility model provides a kind of and realizes the rear removable semi-girder trussing of shake.
After the realization shake of the utility model embodiment, removable semi-girder trussing comprises Core Walls Structure, frame column and semi-girder truss.Described semi-girder truss is arranged between described Core Walls Structure and described frame column.Described semi-girder truss comprises energy dissipating beam section, upper chord, lower chord and web member.Described lower chord is set in parallel in the below of described upper chord.Described web member is obliquely installed between described upper chord and described lower chord.Described web member is divided into first end and the second end, and the extending direction of described web member first end intersects, and described web member second end is connected with described Core Walls Structure or described frame column.Described energy dissipating beam section two ends are connected with described web member first end respectively.Described Core Walls Structure is arranged in the middle of building.
Semi-girder trussing described energy dissipating beam section when earthquake of the utility model embodiment consumes the energy of earthquake by shear yielding; serve the effect of protection web member; and described energy dissipating beam Duan Zhenhou easily changes; the object of repairing fast after achieving the damage of semi-girder truss, the economic loss brought after reducing earthquake.
In some embodiments, implement energy dissipating beam section and comprise epiplastron, bottom web and stiffening rib.Described epiplastron is arranged at the below of described bottom web, and described stiffening rib is arranged between described epiplastron and described bottom web, and is fixedly connected with described bottom web with described epiplastron.
In some embodiments, described energy dissipating beam section two ends are respectively equipped with the first flange, and described first flange is provided with the first shear key.Described web member first end is provided with the second flange, and described second flange is provided with the second shear key.Be formed with the first keyway matched with described second shear key between adjacent described first shear key, between adjacent described second shear key, be formed with the second keyway matched with described first shear key.Described first flange and described second flange are connected by described first shear key and described second keyway and the second shear key and described first keyway.
In some embodiments, described first flange and described second flange are bolted.
In some embodiments, described semi-girder truss also comprises fixing chord member, and described fixing chord member one end is connected with described Core Walls Structure or described frame column.The two ends of described upper chord and described lower chord are hinged with the other end of described fixing chord member respectively.
In some embodiments, described semi-girder truss is steel work.
In some embodiments, described semi-girder depth of truss is that one deck or two floors are high.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of removable semi-girder trussing after the realization shake of the utility model embodiment.
Fig. 2 is the structure enlarged diagram of the energy dissipating beam section of the semi-girder truss of removable semi-girder trussing after the realization shake of the utility model embodiment.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more described features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection or can communication mutually; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can in different example repeat reference numerals and/or reference letter, this repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skill in the art can recognize the application of other techniques and/or the use of other materials.
Refer to Fig. 1 and Fig. 2, after the realization shake of the utility model embodiment, removable semi-girder trussing 100 comprises Core Walls Structure 10, frame column 20 and semi-girder truss 30.Core Walls Structure 10 is arranged in the middle of building.Frame column 20 is arranged at building external.Semi-girder truss 30 is arranged between Core Walls Structure 10 and frame column 20.Semi-girder truss 30 comprises upper chord 31, lower chord 32, web member 33 and energy dissipating beam section 34.Lower chord 32 is set in parallel in the below of upper chord 31.Web member 33 is arranged between upper chord 31 and lower chord 32, and web member 33 is relative and vertical direction is in tilted layout.Web member 33 is divided into first end and the second end, and the extending direction of web member 33 first end intersects, and web member 33 second end is connected with Core Walls Structure 10 or frame column 20.Energy dissipating beam section 34 two ends are connected with web member 33 first end respectively.
Particularly, Core Walls Structure 10 comprises multiple shear wall (not shown), and semi-girder truss 30 comprises multiple gusset plate 38 be connected with shear wall or frame column 20, and gusset plate 38 stretches into shear wall to be fixed on shear wall.Second end of web member 33 is fixedly connected with gusset plate 38, such as, connected by welding and/or bolt.
Semi-girder truss 30 and Core Walls Structure 10 have just connect to ensure that horizontal seismic force is converted into by semi-girder truss 30 frame column 20 that axle power is applied to building external when earthquake by Core Walls Structure 10.Semi-girder truss 30 is stressed based on shearing force when transmitting seismic energy.After semi-girder truss 30 increases energy dissipating beam section 34, the shearing force of semi-girder truss 30 mainly concentrates in energy dissipating beam section 34, and energy dissipating beam section 34 consumes the energy of the transmission of earthquake by shear yielding.
During slight earthquake, there is elastic deformation thus earthquake energy in semi-girder truss 30, and semi-girder truss 30 is not surrendered.During violent earthquake, seismic forces is greater than the yield strength of semi-girder truss 30, and semi-girder truss 30 surrender occurs and produces plastic strain, and when plastic strain exceedes certain limit, semi-girder truss 30 is by destructions such as appearance fractures.
After the realization shake of the utility model embodiment, removable semi-girder trussing 100 energy dissipating beam section 34 when earthquake consumes the energy of earthquake by shear yielding; serve the effect of protection web member 33; and energy dissipating beam section 34 shakes rear easy replacing; achieve the object that semi-girder truss 30 damages rear quick reparation, the economic loss brought after reducing earthquake.
Semi-girder truss 30 can arrange one or multi-channel in the short transverse of building, and after architectural establishment multiple tracks semi-girder truss 30, the integral rigidity of building is greatly improved, thus can improve the shock resistance of building.Certain road semi-girder truss 30 that building height direction is arranged comprises multiple semi-girder truss 30, and the surrounding that multiple semi-girder truss 30 is arranged in building is with the frame column 20 of the Core Walls Structure 10 at connecting building center and building external.Semi-girder truss 30 not only can improve the globality of building, reduces the horizontal comparison of building, and can cushion vibrations, avoids building impaired.
In the present embodiment, energy dissipating beam section 34 two ends are respectively equipped with the first flange 341, first flange 341 and are provided with the first shear key 3411; Web member 33 first end is provided with the second flange 36, second flange 36 and is provided with the second shear key 361.Be formed with the first keyway matched with the second shear key 361 between the first adjacent shear key 3411, between the second adjacent shear key 361, be formed with the second keyway matched with the first shear key 3411.First flange 341 and the second flange 36 are connected by the first shear key 3411 and the second keyway and the second shear key 361 and the first keyway.
Particularly, first flange 341 is all fixedly connected with web member 33 with energy dissipating beam section 34 and the second flange 36, so, the first shear key 3411 and the second shear key 361 ensure that energy dissipating beam section 34 Relative sliding does not occur with web member 33 in energy dissipation, and can consume part shake energy.
In the present embodiment, the first flange 341 is connected by bolt 35 with the second flange 36.
So, can quick-replaceable after the damage of energy dissipating beam section 34, the economic loss brought after reducing earthquake.When earthquake, bolt 35 also bears the shearing force of a part, and in order to improve the shear resistance of energy dissipating beam section 34, bolt 35 can use high-strength bolt, and the performance rate of such as bolt is 8.8 grades.High-strength bolt ensure that the safety of semi-girder trussing 100 entirety simultaneously.
In the present embodiment, implement energy dissipating beam section 34 and comprise epiplastron 342, bottom web 343 and stiffening rib 344.Bottom web 343 is arranged at the below of epiplastron 342, and stiffening rib 344 is arranged between epiplastron 342 and bottom web 343, and is fixedly connected with bottom web 343 with epiplastron 342.
Energy dissipating beam section 34 adopts the form of steel work and installs stiffening rib 344, so, not only can ensure rigidity and the elasticity of energy dissipating beam section 34, strengthens the energy dissipation capacity of energy dissipating beam section 34, can also save material, reduces the manufacturing cost of energy dissipating beam section 34.Epiplastron 342 is identical with the thickness of bottom web 343, and make energy dissipating beam section 34 manufacture process more simple like this, interchangeability is better.The material of each component of energy dissipating beam section 34 identical to ensure to manufacture time welding manufacturability.
In order to the energy dissipation capacity of the elasticity and energy dissipating beam section 34 that ensure web member 33, should there is shear yielding prior to web member 33 in energy dissipating beam section 34, the design of energy dissipating beam section 34 should follow following order.
1) yield shear force of energy dissipating beam section 34 relative to web member 33 is calculated:
V
P＝0.6fA<V；
In formula: V
p---the yield shear force of energy dissipating beam section 34;
F---the shear yield strength of energy dissipating beam section 34;
A---the section area of the web of energy dissipating beam section 34;
The yield shear force of V---web member 33.
2) energy dissipating beam section 34 is shear yielding pattern, and bend-carrying capacity M should meet:
0.5e·ΩV
P<M；
In formula: M---the yield moment of energy dissipating beam section 34 total cross-section;
V
p---the yield shear force of energy dissipating beam section 34;
Ω---the over-strength factor of energy dissipating beam section 34.
3) length of energy dissipating beam section 34 is calculated:
e≤1.6M/V
p；
M
p＝fW
px；
V
p＝0.6fA；
In formula: e---the length of energy dissipating beam section 34;
M---the yield moment of energy dissipating beam section 34 total cross-section;
V
p---the yield shear force of energy dissipating beam section 34;
W
px---energy dissipating beam section 34 plastic section resistance moment;
A---the sectional area of the web of energy dissipating beam section 34;
F---the shear yield strength of energy dissipating beam section 34.
4) arrangement pitch of the stiffening rib 344 of energy dissipating beam section 34 is calculated:
d
max＝30T-h/5；
In formula: d
max---stiffening rib 344 spacing higher limit;
T---the thickness of the web of energy dissipating beam section 34;
H---the height of energy dissipating beam section 34.
5) quantity of the first shear key 3411 or the second shear key 361 is calculated:
nN
v c＝Af/2；
In formula: n---the quantity of the first shear key 3411 or the second shear key 361;
N
v c---the shearing of single first shear key 3411 or the second shear key 361;
A---the sectional area of the web of energy dissipating beam section 34;
F---the yield strength of energy dissipating beam section 34;
E
c---the modulus of elasticity of the first shear key 3411 or the second shear key 361;
L
c---the length of the first shear key 3411 or the second shear key 361.
In the present embodiment, semi-girder truss 30 also comprises fixing chord member 37, fixes chord member 37 one end and Core Walls Structure 10 or frame column 20 and just connects.The two ends of upper chord 31 and lower chord 32 are hinged with the other end of fixing chord member 37 respectively.
So, reduce the stressed of upper chord 31 and lower chord 32, thus keep the elasticity of chord member, and then reduce upper chord 31 and the damage of lower chord 32 when earthquake.
In the present embodiment, semi-girder truss 30 is steel work.
Semi-girder truss 30 adopts steel structural form while minimizing materials being fabricated, still can keep very high elasticity, and impact loading, earthquake and typhoon have good resistance and compliance.The material of semi-girder truss 30 can use the larger steel of yield strength (such as Q345) to improve the elasticity of self, thus ensures the shock resistance of semi-girder trussing 100.
In the present embodiment, semi-girder truss 30 is highly that one deck or two floors are high.
When manufacturing semi-girder truss 30, required material is transported to on-the-spot rear manufacture, consider performance and the anufacturability of semi-girder truss 30, one deck or the high semi-girder truss 30 of two floors can reduce the manufacturing cost of semi-girder truss 30 when ensureing semi-girder truss 30 performance.
In the description of this manual, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiment ", " exemplary embodiment ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with described embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and aim, scope of the present utility model is by claim and equivalents thereof.
Claims (7)
1. realize the rear removable semi-girder trussing of shake, it is characterized in that, comprising:
Semi-girder truss, described semi-girder truss comprises:
Upper chord;
Be set in parallel in the lower chord below described upper chord;
Be obliquely installed the web member between described upper chord and described lower chord; Described web member is divided into first end and the second end, and the extending direction of described first end intersects; And
Energy dissipating beam section, described energy dissipating beam section two ends are connected with described first end respectively;
Be arranged at the Core Walls Structure in the middle of building; And
Be arranged at the frame column of building external;
Described upper chord and described lower chord are connected with described Core Walls Structure and described frame column respectively, and described second end is connected with described Core Walls Structure or described frame column.
2. as claimed in claim 1 realization shakes rear removable semi-girder trussing, and it is characterized in that, described energy dissipating beam section comprises:
Epiplastron;
Be arranged at the bottom web under described epiplastron; And
Stiffening rib, described stiffening rib is arranged between described epiplastron and described bottom web, and is fixedly connected with described epiplastron and described bottom web.
3. as claimed in claim 1 realization shakes rear removable semi-girder trussing, and it is characterized in that, described energy dissipating beam section two ends are respectively equipped with the first flange, and described first flange is provided with the first shear key; Described web member first end is provided with the second flange, and described second flange is provided with the second shear key; Be formed with the first keyway matched with described second shear key between adjacent described first shear key, between adjacent described second shear key, be formed with the second keyway matched with described first shear key; Described first flange and described second flange are connected by described first shear key and described second keyway and the second shear key and described first keyway.
4. as claimed in claim 3 realization shakes rear removable semi-girder trussing, and it is characterized in that, described first flange and described second flange are bolted.
5. semi-girder trussing as claimed in claim 1, it is characterized in that, described semi-girder truss also comprises:
The fixing chord member that one end is connected with described Core Walls Structure or described frame column, the two ends of described upper chord and described lower chord are hinged with the other end of described fixing chord member respectively.
6. as claimed in claim 1 realization shakes rear removable semi-girder trussing, and it is characterized in that, described semi-girder truss is steel work.
7. as claimed in claim 1 realization shakes rear removable semi-girder trussing, and it is characterized in that, described semi-girder depth of truss is that one deck or two floors are high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580834.4U CN204983211U (en) | 2015-08-05 | 2015-08-05 | Removable semi -girder trussing in back realizes shaking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520580834.4U CN204983211U (en) | 2015-08-05 | 2015-08-05 | Removable semi -girder trussing in back realizes shaking |
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| Publication Number | Publication Date |
|---|---|
| CN204983211U true CN204983211U (en) | 2016-01-20 |
Family
ID=55117593
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520580834.4U Withdrawn - After Issue CN204983211U (en) | 2015-08-05 | 2015-08-05 | Removable semi -girder trussing in back realizes shaking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040851A (en) * | 2015-08-05 | 2015-11-11 | 清华大学 | Extensible arm truss system replaceable after earthquake |
-
2015
- 2015-08-05 CN CN201520580834.4U patent/CN204983211U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105040851A (en) * | 2015-08-05 | 2015-11-11 | 清华大学 | Extensible arm truss system replaceable after earthquake |
| CN105040851B (en) * | 2015-08-05 | 2017-12-19 | 清华大学 | A kind of replaceable semi-girder trussing after realizing shake |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20171219 |
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| AV01 | Patent right actively abandoned |