CN102644358A - Steel coupling beam capable of being replaced after strong earthquake - Google Patents
Steel coupling beam capable of being replaced after strong earthquake Download PDFInfo
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- CN102644358A CN102644358A CN2012101227969A CN201210122796A CN102644358A CN 102644358 A CN102644358 A CN 102644358A CN 2012101227969 A CN2012101227969 A CN 2012101227969A CN 201210122796 A CN201210122796 A CN 201210122796A CN 102644358 A CN102644358 A CN 102644358A
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Abstract
The invention discloses a steel coupling beam capable of being replaced after a strong earthquake, which comprises a replaceable energy dissipation beam section and non-energy-dissipation beam sections arranged at the two ends of the replaceable energy dissipation beam section. The replaceable energy dissipation beam section and the non-energy-dissipation beam sections are connected through end plates and high-strength bolts; the height of the section of the replaceable energy dissipation beam section is lower than that of the section of the non-energy-dissipation beam section; the replaceable energy dissipation beam section is uncoupled with a floor slab; the yield bearing capacity of the non-energy-dissipation beam section is larger than that of the replaceable energy dissipation beam section; the replaceable energy dissipation beam section shears yielding and dissipates earthquake energy under the effect of strong earthquake, and the non-energy-dissipation beam sections at the two ends maintain elasticity; and as the replaceable energy dissipation beam section is uncoupled with the floor slab, not only can the cracking of the floor slab under the effect of earthquake be reduced, but also the energy dissipation beam section can be rapidly replaced after the earthquake. The steel coupling beam has high energy dissipation, can be rapidly repaired after the earthquake, is convenient for construction, can enhance the capacity of rapid function recovery of high-rise structures after the strong earthquake, and has wide market promotion and application prospects.
Description
Technical field
The present invention relates to construction work and structural seismic technical field, replaceable steel connects beam after particularly a kind of macroseism.
Background technology
Have the key character that numerous high levels and super highrise building are modern cities.Population in use high-rise, super highrise building is numerous, expected service life is long, in case the damaged wound in spot will cause a large number of users to be moved out and take refuge, can cause the social stability and the people's production and life to have a strong impact on.Because the highrise building scale of construction is big, structural system is complicated, the financial cost and the time cost of shake back repairing and reinforcement can be apparently higher than median low structures.For some important highrise building as city commercial or financial center, the loss from suspension that the earthquake damage causes possibly surpass the cost of building structure itself.Therefore, modern high-rise building is satisfying under the prerequisite of seismic safety, and promoting its shake back function fast restoration capabilities is the developing direction of structural seismic technology.
Highrise building adopts framework-core tube or frame shear wall structure system in a large number, and wherein shear wall is topmost lateral resisting unit, has often born above the earthquake overturning moment more than 80% the base shear and 50%.Use maximum steel concrete that is still to join the limb shear wall at present, practice shows that steel concrete couplet limb wall rigidity is big, bearing capacity is high, has certain ductility and energy dissipation capacity after the appropriate design, can accomplish no collapsing with strong earthquake, but its earthquake injury repair is very difficult.Wherein the general span-depth radio of reinforced concrete coupling beams is little, under the earthquake reciprocating, is prone to shear failure takes place, and must whole even beam reparation be taken time and effort after the shake.
In recent years, countries such as the U.S., Canada and New Zealand adopt steel to connect beam to replace reinforced concrete coupling beams, connect beam by steel and forms mixing couplet limb shear wall with the reinforced concrete wall limb.Research shows; Steel can be realized shear yielding after connecting the beam appropriate design, and hysteresis loop is highly stable full, and ductility and energy dissipation capacity significantly are superior to traditional reinforced concrete coupling beams; It is good to mix couplet limb shear wall anti-seismic performance, is particularly suitable for the highrise building of high intensity Zone.But because whole steel connects big and its two ends of the weight of beam and be embedded in the reinforced concrete wall limb in the highrise building, the shake back is difficult to directly change, steel connect repair after the shake of beam very difficult.
Summary of the invention
In order to solve the problem that above-mentioned prior art exists; Replaceable steel connects beam after the object of the present invention is to provide a kind of macroseism; Effect with energy-dissipating and shock-absorbing when meeting with violent earthquake; And have shake back convertibility, connect the ability that beam can promote the fast quick-recovery of function after the building structure macroseism through using this.
In order to achieve the above object, the technical scheme that the present invention adopted is:
Replaceable steel connects beam after a kind of macroseism, and the non-energy dissipating beam section 1 that comprises replaceable energy dissipating beam section 2 and place replaceable energy dissipating beam section 2 two ends, 1 of said replaceable energy dissipating beam section 2 and non-energy dissipating beam section are connected with high-strength bolt 5 through end plate.
Said replaceable energy dissipating beam section 2 depth of sections are lower than non-energy dissipating beam section 1, and replaceable energy dissipating beam section 2 is thrown off with floor.
The surrender bearing capacity of said non-energy dissipating beam section 1 is greater than replaceable energy dissipating beam section 2.
Be provided with a plurality of floors 4 of putting more energy into floor 3 vertical direction in the said replaceable energy dissipating beam section 2.
Said non-energy dissipating beam section 1 all adopts steel I-beam with replaceable energy dissipating beam section 2.
Said replaceable energy dissipating beam section 2 adopts common iron or low-yield steel.
Replaceable steel connects beam and is used for high level or super highrise building after the described macroseism.
The present invention compares with prior art, has following advantage:
1) easy construction.The present invention is main material with steel; Replaceable energy dissipating beam section is connected with the intersegmental employing high-strength bolt assembling of the non-energy dissipating beam at two ends, can assembled on site.Work progress need not form work engineering.Construction fast, and is convenient, site operation with low cost.
2) make things convenient for building pipeline to arrange.Steel connects the beam design height and generally can be lower than concrete and connect beam, and replaceable energy dissipating beam section depth of section is lower than non-energy dissipating beam section again, and throws off with floor, makes that the line layout of building is more flexible.
3) energy dissipation capacity is strong, and anti-seismic performance is superior.Shear yielding takes place in the replaceable energy dissipating beam section that replaceable steel connects in the beam after the macroseism of the present invention under big back and forth load, and through its shearing lag return dissipation seismic energy.Research shows that under the reciprocating load, the girder steel of web shear yielding has big, stable hysteretic energy ability.Through rationally adding the floor of putting more energy into, will further improve its hysteretic energy ability.Therefore can reduce structural seismic response, improve the anti-seismic performance of structure.
4) can realize shaking the fast quick-recovery of back function.Replaceable steel connects beam under the violent earthquake effect after the macroseism of the present invention; Replaceable energy dissipating beam section shear yielding; Remainder is unyielding; Financial cost and the time cost repaired are reduced, the ability of the fast quick-recovery of function after the lifting building structure macroseism through changing the functional rehabilitation that energy dissipating beam section can companys of realization beam in shake back.
The present invention under severe earthquake action, replaceable energy dissipating beam section web place shear yielding because the shear strain of replaceable energy dissipating beam section is big, can be through its hysteretic energy seismic energy that dissipates in a large number.Simultaneously, the concrete floor of replaceable energy dissipating beam Duan Yuqi top is thrown off, and can effectively alleviate the floor cracking, make floor be easy to shake the back reparation.After the macroseism, through changing energy dissipating beam section, quick reparation that can companys of realization beam, thus promote the high building structure shake ability of the fast quick-recovery of function afterwards.
Description of drawings
Fig. 1 connects the elevation of beam for replaceable steel after the macroseism of the present invention.
Fig. 2 connects the vertical view (removing floor) of beam for replaceable steel after the macroseism of the present invention.
Fig. 3 is for using limb shear wall of the present invention and the distortion sketch map under geological process thereof, and wherein Fig. 3 a uses limb shear wall of the present invention before the earthquake; Fig. 3 b uses the distortion sketch map of limb shear wall of the present invention during for macroseism.
Fig. 4 repairs sketch map for earthquake damage distribution and shake back that the replaceable steel of macroseism of the present invention connects beam.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment structural principle of the present invention is done further explain.
As depicted in figs. 1 and 2; Replaceable steel connects beam after a kind of macroseism of the present invention; Be applied in high level or the super highrise building, the non-energy dissipating beam section 1 that comprises replaceable energy dissipating beam section 2 and place replaceable energy dissipating beam section 2 two ends, 1 of replaceable energy dissipating beam section 2 and non-energy dissipating beam section are connected with high-strength bolt 5 through end plate; Replaceable energy dissipating beam section 2 shear yieldings under the severe earthquake action, and through shearing lag return dissipation seismic energy, and two ends non-energy dissipating beam section keeps elasticity; Can be after the macroseism through changing the quick reparation that energy dissipating beam section realizes connecting beam.This connects beam and places under the concrete floor 3, adopts the newel post with the steel plate shear force wall limb to be welded to connect with the connected mode of wall limb, or is embedded in the constrained edge member of reinforced concrete wall limb.Replaceable energy dissipating beam section 2 depth of sections are lower than non-energy dissipating beam section 1, and replaceable energy dissipating beam section 2 is thrown off the replacing of replaceable energy dissipating beam section 2 after being convenient to shake with floor.
As shown in Figure 3, under the severe earthquake action, after the macroseism of the present invention the distortion of the non-energy dissipating beam section 1 at replaceable steel Lian Liang two ends less, and shear yieldings take place in the replaceable energy dissipating beam section 2 that connects the beam middle part, its shear strain is relatively large.Simultaneously; According to actual engineering demand; Can effectively avoid the too early flexing of web, significantly improve its shearing lag return energy dissipation capacity at the replaceable energy dissipating beam section 2 web place appropriate design floor 4 of putting more energy into, and avoid the non-energy dissipating beam of replaceable energy dissipating beam section and two ends section junction to damage.
As shown in Figure 4, after macroseism finishes, only need to change the replaceable energy dissipating beam section 2 that damage takes place, quick reparation that can companys of realization beam, and then realize the fast quick-recovery of structure function after the shake.In addition,, throw off, can effectively alleviate top concrete floor 3 crackings with top concrete floor 3 though 2 distortion of replaceable energy dissipating beam section are bigger.
Said non-energy dissipating beam section 1 all adopts steel I-beam with replaceable energy dissipating beam section 2.
Said replaceable energy dissipating beam section 2 adopts common iron or low-yield steel.
Claims (7)
1. replaceable steel connects beam after the macroseism; It is characterized in that: be connected with high-strength bolt (5) through end plate between the non-energy dissipating beam section (1) that comprises replaceable energy dissipating beam section (2) and place replaceable energy dissipating beam section (2) two ends, said replaceable energy dissipating beam section (2) and non-energy dissipating beam section (1).
2. replaceable steel connects beam after the macroseism according to claim 1, it is characterized in that: said replaceable energy dissipating beam section (2) depth of section is lower than non-energy dissipating beam section (1), and replaceable energy dissipating beam section (2) is thrown off with floor.
3. replaceable steel connects beam after the macroseism according to claim 1 and 2, it is characterized in that: the surrender bearing capacity of said non-energy dissipating beam section (1) is greater than replaceable energy dissipating beam section (2).
4. replaceable steel connects beam after the macroseism according to claim 1 and 2, it is characterized in that: in the said replaceable energy dissipating beam section (2) and floor (3) vertical direction be provided with a plurality of floors of putting more energy into (4).
5. replaceable steel connects beam after the macroseism according to claim 1 and 2, it is characterized in that: said non-energy dissipating beam section (1) and replaceable energy dissipating beam section (2) all adopt steel I-beam.
6. replaceable steel connects beam after the macroseism according to claim 1 and 2, it is characterized in that: said replaceable energy dissipating beam section (2) adopts common iron or low-yield steel.
7. replaceable steel connects beam and is used for high level or super highrise building after each described macroseism of claim 1 to 6.
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| CN2012101227969A CN102644358A (en) | 2012-04-24 | 2012-04-24 | Steel coupling beam capable of being replaced after strong earthquake |
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| CN2012101227969A CN102644358A (en) | 2012-04-24 | 2012-04-24 | Steel coupling beam capable of being replaced after strong earthquake |
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| CN2012101227969A Pending CN102644358A (en) | 2012-04-24 | 2012-04-24 | Steel coupling beam capable of being replaced after strong earthquake |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306426A (en) * | 2013-06-03 | 2013-09-18 | 北京工业大学 | Repairable high-ductility girder for connecting midspan bolt |
| CN103628589A (en) * | 2013-12-23 | 2014-03-12 | 海南大学 | Bending shear yielding type replaceable coupling beam |
| CN105089171A (en) * | 2015-04-17 | 2015-11-25 | 华侨大学 | Intelligent reinforced concrete frame structure with self-adaptive energy-consuming mechanism |
| CN105507494A (en) * | 2016-01-15 | 2016-04-20 | 兰州理工大学 | Superimposed tooth-form steel plate composite damping energy dissipating type replaceable coupling beam and construction method thereof |
| CN105672519A (en) * | 2016-03-25 | 2016-06-15 | 中冶建筑研究总院有限公司 | Replaceable shearing type corrugated web energy dissipation connection beam |
| CN105780994A (en) * | 2016-03-30 | 2016-07-20 | 南昌大学 | Eccentric braced steel framework composite floor slab capable of restoring after earthquake and construction method of eccentric braced steel framework composite floor slab |
| CN105971145A (en) * | 2016-07-01 | 2016-09-28 | 上海赛弗工程减震技术有限公司 | Mounting structure of anti-seismic coupling-beam damper of building |
| CN105971359A (en) * | 2016-07-01 | 2016-09-28 | 上海赛弗工程减震技术有限公司 | Connecting beam type damper |
| CN106013918A (en) * | 2016-07-01 | 2016-10-12 | 上海赛弗工程减震技术有限公司 | Coupling beam type metal damper for structural seismic resistance |
| CN106013919A (en) * | 2016-07-01 | 2016-10-12 | 上海赛弗工程减震技术有限公司 | Connecting beam type metal damper |
| CN104805958B (en) * | 2015-04-02 | 2016-11-16 | 同济大学 | It is applied to double rank surrender power consumption steel coupling beam of Coupled Shear Wall structure |
| CN106499247A (en) * | 2016-10-21 | 2017-03-15 | 东南大学 | The replaceable power consumption coupling assembly of assembling frame beam-to-column joint |
| CN106930416A (en) * | 2017-02-28 | 2017-07-07 | 浙江科技学院 | The connecting node of replaceable coupling beam Coupled Shear Wall and floor |
| CN107165270A (en) * | 2017-07-05 | 2017-09-15 | 西安建筑科技大学 | A kind of replaceable structural system of steel concrete combination frame |
| CN107489296A (en) * | 2017-09-30 | 2017-12-19 | 沈阳建筑大学 | The energy-dissipating and shock-absorbing attachment structure and assembly method of assembly concrete coupling beam |
| CN107605224A (en) * | 2017-10-20 | 2018-01-19 | 广州大学 | A kind of double rank surrender power consumption coupling beams |
| CN109057069A (en) * | 2018-09-12 | 2018-12-21 | 西安建筑科技大学 | A kind of connection structure and installation method of replaceable small span-depth ratio steel deep beam |
| CN110195481A (en) * | 2019-05-29 | 2019-09-03 | 武汉理工大学 | The replaceable coupling beam of space truss with scalable damper |
| CN110778019A (en) * | 2019-10-19 | 2020-02-11 | 重庆大学 | Novel replaceable RC connecting beam |
| CN113417407A (en) * | 2021-07-26 | 2021-09-21 | 哈尔滨工业大学（威海） | Length-adjustable replaceable steel connecting beam and connecting method thereof |
| CN113482190A (en) * | 2021-07-08 | 2021-10-08 | 清华大学 | Coupled energy dissipation and shock absorption structure |
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Cited By (25)
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| CN103306426B (en) * | 2013-06-03 | 2016-01-06 | 北京工业大学 | Repair type span centre bolt connects high ductility beam |
| CN103306426A (en) * | 2013-06-03 | 2013-09-18 | 北京工业大学 | Repairable high-ductility girder for connecting midspan bolt |
| CN103628589A (en) * | 2013-12-23 | 2014-03-12 | 海南大学 | Bending shear yielding type replaceable coupling beam |
| CN104805958B (en) * | 2015-04-02 | 2016-11-16 | 同济大学 | It is applied to double rank surrender power consumption steel coupling beam of Coupled Shear Wall structure |
| CN105089171A (en) * | 2015-04-17 | 2015-11-25 | 华侨大学 | Intelligent reinforced concrete frame structure with self-adaptive energy-consuming mechanism |
| CN105507494A (en) * | 2016-01-15 | 2016-04-20 | 兰州理工大学 | Superimposed tooth-form steel plate composite damping energy dissipating type replaceable coupling beam and construction method thereof |
| CN105507494B (en) * | 2016-01-15 | 2018-03-27 | 兰州理工大学 | Overlap the replaceable coupling beam of tooth form steel plate composite damping energy-dissipating type and its construction method |
| CN105672519A (en) * | 2016-03-25 | 2016-06-15 | 中冶建筑研究总院有限公司 | Replaceable shearing type corrugated web energy dissipation connection beam |
| CN105780994B (en) * | 2016-03-30 | 2018-12-04 | 南昌大学 | The accentric support steel frame composite floor and its construction method of Self-resetting after a kind of shake |
| CN105780994A (en) * | 2016-03-30 | 2016-07-20 | 南昌大学 | Eccentric braced steel framework composite floor slab capable of restoring after earthquake and construction method of eccentric braced steel framework composite floor slab |
| CN105971145A (en) * | 2016-07-01 | 2016-09-28 | 上海赛弗工程减震技术有限公司 | Mounting structure of anti-seismic coupling-beam damper of building |
| CN106013919A (en) * | 2016-07-01 | 2016-10-12 | 上海赛弗工程减震技术有限公司 | Connecting beam type metal damper |
| CN105971359A (en) * | 2016-07-01 | 2016-09-28 | 上海赛弗工程减震技术有限公司 | Connecting beam type damper |
| CN106013918A (en) * | 2016-07-01 | 2016-10-12 | 上海赛弗工程减震技术有限公司 | Coupling beam type metal damper for structural seismic resistance |
| CN106499247A (en) * | 2016-10-21 | 2017-03-15 | 东南大学 | The replaceable power consumption coupling assembly of assembling frame beam-to-column joint |
| CN106930416A (en) * | 2017-02-28 | 2017-07-07 | 浙江科技学院 | The connecting node of replaceable coupling beam Coupled Shear Wall and floor |
| CN107165270A (en) * | 2017-07-05 | 2017-09-15 | 西安建筑科技大学 | A kind of replaceable structural system of steel concrete combination frame |
| CN107489296A (en) * | 2017-09-30 | 2017-12-19 | 沈阳建筑大学 | The energy-dissipating and shock-absorbing attachment structure and assembly method of assembly concrete coupling beam |
| CN107605224A (en) * | 2017-10-20 | 2018-01-19 | 广州大学 | A kind of double rank surrender power consumption coupling beams |
| CN109057069A (en) * | 2018-09-12 | 2018-12-21 | 西安建筑科技大学 | A kind of connection structure and installation method of replaceable small span-depth ratio steel deep beam |
| CN110195481A (en) * | 2019-05-29 | 2019-09-03 | 武汉理工大学 | The replaceable coupling beam of space truss with scalable damper |
| CN110778019A (en) * | 2019-10-19 | 2020-02-11 | 重庆大学 | Novel replaceable RC connecting beam |
| CN110778019B (en) * | 2019-10-19 | 2024-04-12 | 重庆大学 | Novel removable RC even roof beam |
| CN113482190A (en) * | 2021-07-08 | 2021-10-08 | 清华大学 | Coupled energy dissipation and shock absorption structure |
| CN113417407A (en) * | 2021-07-26 | 2021-09-21 | 哈尔滨工业大学（威海） | Length-adjustable replaceable steel connecting beam and connecting method thereof |
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Application publication date: 20120822 |