Research On Application Of Energy Dissipative Building Technology In Structural Transformation And Strengthening

Earthquake is one of the common destructive natural disasters,the traditional earthquake response measures are difficult to minimize the loss of personnel and financial.In order to reduce the loss of people's lives and property,it has become the mainstream research direction of earthquake resistance to continuously explore and practice seismic technology,break the disadvantages of traditional seismic technology,and popularize and implement more advanced energy dissipation and shock absorption principle and isolation structure.The basic principle of the isolation structure is to use the structure of the isolation layer,according to the isolation structure layout in the floor position is different,usually we classify it into two modes :the layer interval earthquake and base isolation.The interval seismic structure is set between the upper floor and the foundation building,so that the seismic wave is affected by the isolation layer,so as to reduce the frequency of natural earthquake of the superstructure caused by seismic wave.Energy dissipation and shock absorption technology can reduce the damage of natural factors to the building by using the principle of reducing the building structure under the action of wind and earthquake.The main implementation method of energy dissipation and shock absorption is to modify the non-load-bearing structure in the building structure and design it into energy dissipationcomponents such as damper device.It is a measure to consume and weaken the impact of source energy on the building by inputting seismic waves into the components.This technology can be implemented in the building which has been formed in the non-seismic treatment of the floor,and it has a low cost,convenient construction advantages.Strengthening the floors without changing the original buildings can also fill the gap of the lack of shock absorption and seismic structures in most buildings in China.The above two shock absorption measures have been effectively applied in the construction of offshore and multi-earthquake areas,and more practical values have been obtained.For the completed existing buildings,we usually use shock absorption and seismic methods coexist organic combination of reinforcement,and has the advantages of convenient construction,economic consumption and saving.Through 3 d modeling of finite element method(fem),it can be more intuitive understanding of the architectural structure,and through the basic assumptions of the model,material parameters,the size of the finite element model of unit,boundary conditions,and according to the analysis of the seismic load formulate corresponding strengthening system construction,and use the increase of reinforced concrete wall and set the base isolation layer design scheme of simulation.This paper using ABAQUS finite element software numerical simulation and theoretical formula is derived the approach of combining of buford international engineering on the two phase two core board to yield the buckling support method design and performance research,energy consumption by buckling constraints to support the final position,and its layout and isolation bearing reinforcement structure and original structure comparison,and at the same time doing comparative study with plate wall structure finally concluded that buckling constraints,the advantage of support,the buckling support structure determination by H,bending stiffness,not prone to instability.