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1、 On the high-rise building structure with base isolation technology Paper to write network: Paper Keywords: high-rise building structure design isolation system technology Abstract: In this paper, the structural design and characteristics of high-rise buildings, New Zealand into a high-level base is
2、olation system and isolation principle, and a detailed analysis of the particularity of the upper diaphragm shock system, to provide guidance for research in the field of tall buildings and help. Beginning of the birth of the building is considered the product of the technical and aesthetic integrat
3、ion. This means that a good building, it will stand the applicability, economy and aesthetics of the triple test along with the high-rise buildings in China The rapid development and building height increases, high-rise building safety, sturdiness and durability has also become the pursuit of the go
4、al. A high-rise building structure and design concepts Modern high-rise buildings has become more and more slim, the possibility of have a greater sway than the large volume of high-rise building the higher nature of gravity load, wind and seismic loads of the greater Because of this offset the stru
5、ctural role of these loads become an important aspect of the design of high-rise buildings. dynamic response of high-rise buildings on the lateral load, can improve the structure of the system and select effective measures of the built form control. Therefore, high-rise buildings form related to a l
6、arge extent and effectiveness of the structure, which also determines the economy of the building structure of the building performance can be defined as a building to withstand the loads and the ability to resist lateral displacement, but also determines the composition of the volume of the buildin
7、g . From the appearance level, the architectural expression of the concept of space in the form of the performance of the overall environment of the initial program design for a building. Architects to consider is its spatial composition characteristics, rather than in detail to determine its specif
8、ic structure. However, the overall vision on the form of space, but also the requirements of architects must consider the relationship between the load and resistance in the architectural form of a Those standards. The concept of structure, which includes the space form of the following aspects: Fir
9、st, the envisaged space form should be fixed on the ground. Is envisaged to be able to resist horizontal wind loads, earthquake, so during high-level architectural design, construction The basic task of the division, coordination and cooperation on the one hand and structural engineers and other eng
10、ineering and technical personnel, on the other hand according to the function of the building requirements, building conception, site conditions, external characteristics, construction conditions, and efficiency and other factors, to find out the most economical, reasonable appearance of the buildin
11、g program. The particularity of the two high-level design of building structures (A) the level of load be the determining factor. The one hand the building weight and floor use load in the vertical component of the axial force and bending moment values, only with the building height of a proportiona
12、l, while the horizontal load on the structure the overturning moment, resulting in the vertical component caused by the axial force is proportional to the square of height with building, on the other hand, for a certain height of buildings, the vertical load is largely fixed value, while as the wind
13、 load and seismic load levels, and its value with the dynamic characteristics of the different and more substantial changes. (B) axial deformation can not be ignored in high-rise buildings, the vertical load values are large, caused by the large axial deformation in the column, which would be a cont
14、inuous beam moment have an impact, resulting in the middle of the continuous beam bearing at negative moment value decreases across the CKS moment and end bearing negative moment values increase, also precast cutting the length of an impact, and require the calculated value according to the axial de
15、formation, cutting the length of the adjustment. In addition, component shear and lateral displacement, and consider the components of vertical deformation, will come to unsafe results. (C) lateral displacement as control targets with lower buildings, the structure of the lateral has become a key fa
16、ctor in the design of high-rise structure with the building height increases, the level of loading under the lateral deformation of the structure increases rapidly, and thus structure lateral displacement under horizontal loads shall be controlled within certain limits. (D) structural ductility is a
17、n important design specifications relative to the lower buildings in terms of high-rise structure is more soft, the deformation under seismic action greater. Order to make the structure still has a strong deformation in the plastic deformation stage to avoid collapse, particularly in the constructio
18、n to take appropriate measures to ensure that the structure has sufficient ductility. The particularity of the three high-level isolation system Senior, super senior meteorite shock system compared with conventional isolation system is unique. First high-level isolated building, the upper structure
19、can not meet the assumption of rigid body motion, high-vibration response component can not be ignored, can not simply structure of the first mode mainly to determine the upper part of the structural response is due to the high-level, overturning moment generated by the ultra-high-level structure of
20、 the horizontal seismic force, the role of large earthquakes and strong winds, the isolation bearing may have tensile stress of appear, how to avoid and control the isolation bearing tensile stress is a problem. high, longer than the natural period of the ultra-high-level, it is necessary to further
21、 extend the high-level, ultra-high-level fundamental period of the isolated building, in order to achieve better isolated effects of low elasticity, large deformation capacity development and performance of the isolation bearing in a variety of strong earthquakes and strong winds under analysis, wit
22、h a high research value and significant engineering significance. Share the free paper Download Center http:/four high-level base isolation system composition Base isolated building system through the set the isolation layer between the foundation and superstructure of the building, the building is
23、divided into three parts of the upper structure, the isolation layer and the substructure. Seismic energy through the next part of the structure to the isolation layer, isolation device to absorb most of the isolation layer, only a small part of the spread to the upper structure, thereby greatly red
24、ucing the seismic role in enhancing the safety of the isolated building. continuous exploration through people, and now the base isolation technology has been a systematic practical use, it includes a slip friction system, the laminated rubber bearings, friction pendulum system works most commonly u
25、sed is the laminated rubber bearing isolation system. isolation system. Stable and reliable performance, using a specially laminated rubber bearings as seismic isolation components, the bearing Sheng set each other by layers of thin steel plate and rubber bonded specialized curing process, its struc
26、ture, formula, process require special design, is a rubber thick products commonly used rubber bearings are: natural rubber bearings, lead rubber bearings, high damping rubber bearing. Five senior base isolation principle The traditional structure of the seismic resistance and consumption structure
27、and components of seismic energy, the design seismic force as an external load and other loads on the structure to a combination of design and checking whether the structure to meet the design and use requirements rubber septum isolated building specific deformation and energy dissipation devices: r
28、ubber bearings and dampers (such as lead damper, oil damper, steel bars, dampers, viscoelastic dampers, skateboard bearings, etc.) isolators with vertical bearing capacity, and flexibility have skills, good deformability properties. In addition, the lead rubber bearings at the same time consumption
29、of the energy characteristics of the seismic energy. On the other hand, seismic structural system, construction of low-level shock cycle extended to 2-5 seconds. Effectively reduce the seismic acceleration response. Isolation Technology, the upper structure earthquake typically can be reduced 3-6 ti
30、mes, building the upper structure earthquake response to the first mode. Similar dry rigid body translational, almost no reaction amplification, the relative displacement of the isolation layer to reduce the upper structure suffered seismic loading in accordance with high standards of design and use
31、 of base isolation measures, the upper part of the seismic response of earthquake small, structural components and internal device will happen to damage or loss of normal function of the use of housing internal work and life not only does not suffer injury. The occurrence of strong shaking will not
32、feel the earthquake occurred without evacuation, housing need repairs or just general repair, in order to ensure the safety of buildings and even to avoid the non-structural components such as equipment, renovation of a broken, bad and other secondary disasters . References: 1 Yao Yaxiong architectu
33、ral creation and morphology J. Harbin: Harbin Institute of Technology, 2000. 2 high-rise buildings and urban environmental associations. High-level architectural design M Beijing: China Building Industry Press, 1997. 3 Lei spring concentrated modern high-rise building design M Beijing: China Buildin
34、g Industry Press, 1997. 4 China Academy of Building Research 2008 earthquake building damages in the collection M. Beijing: China Architecture Industry Press, 2008. 5 Fu Xueyi structural design of practical high-rise buildings M Beijing: China Building Industry Press, 2010 6 Zeng Zhaohao New Housing Infrastructure Design Manual, Beijing: China Building Materials Industry Press 2007 Share Free paper Download Center http:/10