An Experimental Research On Seismic Behavior Of Reinforced Concrete Hollow Shear Wall With Vertical Seams

With the rapid development of our country's economy and the performance of the settling residence project, the development of the residence structure system with new wall material and energy saving becomes one of the pre-task in engineering at present. Considering our country's population and land factors, building sub-high rise residence has been the main construction tendency. Frame-wall structures and shear-wall structures have been used frequently in sub-high rise residence designs. The traditional shear-wall structures can achieve the demands of vertical loads bearing capability easily, but due to its gravity and rigidity, the traditional shear-wall structures will have great inertia forces when the earthquake occurs. As a result, the execution of shear-wall structures is brittle destroy. It is against the earthquake resistance of structure. For above reasons, our subject studies hollow shear wall of R.C with vertical seams. The seams divide the wall into several units and the hollow shear wall of R.C with vertical seams has small self-weight, small stiffness and good ductility. Due to having air insulation, it has good energy saving capability. So this new type shear wall structure will be a kind of ductile structure with advanced seismic behavior.The paper studies the seismic behavior of R.C hollow shear wall with vertical seams. Its test specimens are four R.C hollow shear walls with vertical seams; they have different heights and two loading measures. Firstly, studies the stress distribution and deformation of the shear wall in elastic phase with ANSYS limited element program. Secondly, by low-cycle and reverse horizontal loading test, their properties including strength property, deformation property and energy property are studied. We study the loading characteristic values; the property of hysteretic curve and skeleton-frame curves; the ductility property and stiffness degradation. At last we analyze the destroy principle and affection reasons of hollow shear wall of R.C with vertical seams in different height and loading measures, we also give the bearing capability calculation formulas and design advises for new type hollow shear wall of R.C.