Study on Seismic Behavior of Recycled Concrete Energy-efficient Homes Structure Wall

Lan Dong,J.C.M Kao,W.-P Sung

doi:10.1051/matecconf/20166303016

Abstract

The main point is to study the seismic behavior of the lattice type recycled concrete energy saving wall under low-cyclic loading,to provide the basis for the seismic performance of application of recycled concrete lattice wall in energy-saving residential structure. Design two walls with the same structure measures, include Lattice type recycled concrete wall and natural concrete wall, they are tested under low-cycle repetitive loading, compared failure mode and seismic performance in different reinforcement conditions of side column. The bearing capacity and ductility of recycled aggregate concrete are better than natural aggregate concrete, The stiffness degradation curves and the skeleton curves of the walls are basically the same, both of them have better seismic energy dissipation capacity. Lattice type concrete wall is good at seismic performance, recycled aggregate concrete is good at plastic deformation ability, it is advantageous to seismic energy dissipation of wall, it can be applied in energy efficient residential structure wall.

Highlights

Lattice type concrete wall is made by cement polystyrene membrane shelljoining together to form internal vertically and horizontally run-through channel, in the channel concrete pouring molding and remove external shells.It sets light, bearing, seismic and environmental protection in a body, in line with the requirements for construction of green environmental protection.Concrete waste that is left after the construction dismantled is crushed to form a recycled aggregate, to form recycled aggregate concrete, which is called recycled aggregate concrete.Lattice regenerative concrete wall is different to traditional solid abdominal wall
70s of last century, Austria invented called "Rastra structure system of wall, which is the prototype of the lattice type concrete wall.In 1996, the University of California in the United States to carry out the plane bending test, the results show that the wall has a good toughness.In 1999, ICBO announced that the system can be used as concrete lintel, bearing wall structure and other permanent members.With the extensive research of the system in European and American countries, the system has been applied to civil buildings, high-rise structures, railway noise walls and so on
The domestic and foreign about lattice type recycled concrete research rarely involves regeneration and natural wall contrast analysis, I regard this as the starting point, I study on recycled concrete lattice type wall seismic performance which is made of recycled concrete, through under the same conditions of natural concrete wall compared to explore the lattice structure of regenerative concrete wall for energy saving residential structure in the energy dissipation capacity

Summary

Introduction

Lattice type concrete wall is made by cement polystyrene membrane shelljoining together to form internal vertically and horizontally run-through channel , in the channel concrete pouring molding and remove external shells.It sets light, bearing, seismic and environmental protection in a body, in line with the requirements for construction of green environmental protection.Concrete waste that is left after the construction dismantled is crushed to form a recycled aggregate, to form recycled aggregate concrete, which is called recycled aggregate concrete.Lattice regenerative concrete wall is different to traditional solid abdominal wall.

Results

Conclusion