The Investigation And Analysis On The Life-span Of Residential Buildings

Abstract

from the “Gan Da Lei” house building strategy which is aimed to meet the basic need during that material-lacking period in 1960s, for the booming development of concrete jungles of commercial residential buildings that comes with the reform and opening-up policy, the form of China’s residential buildings has been changing with the development of social economy, enterprise unit courtyard, for example, is a living proof of this dramatic change. In this paper, 143 removed and soon-to-be-removed traditional enterprise unit buildings in Lintong, Xi’an, are used as investigation subject. Residents here are inquired with questionnaires,in ordered to figure out the residential buildings’ life-span and people’s understanding about it. Mathematical and statistical methods are used to get more accurate result and analysis so as to lay the basis for buildings’ remolding and sustainable development. 1 General Introductions China’s urbanization strategy will change suburbs buildings, and urban village which holds about 100 million people into modern city buildings. In the meantime, huge consumption of manpower, material resources, financial resources and energy are caused by these processes. We have been seeing heaps of construction wastes polluting soil and water when burned or buried. These series of problems go absolutely against sustainable development. Urban residential buildings are the major part of the city constructions and they consume large amount of resources. Furthur, life-span of urban residential buildings is not only a part of the rational distribution of constructional and financial resources, but also a part of issues such as healthy social production, environmental conditions and urban sustainable development. A filed investigation on this subject can provide our government’s scientific control and related institution’s management with statistical basis, as well as certain enterprises’ strategic tools when investing in residential buildings. Our country’s residential buildings have always been changed with government’s economic strategy, from the “Gan Da Lei” house building strategy which is aimed to meet the basic need during that material-lacking phase in 1960s,to the booming development of concrete jungles of high commercial residential buildings that comes with the reform and opening-up policy. There is no doubt that today’s new residential building form will take the previous one’s place. Many buildings are being pulled down and then new ones are standing up. This brings out another focus of our research, namely what is the proper life-span of a building on the premise of the fulfillment of its use function and economic function Scholars at home and abroad have done studies about constructions’ life-span. Canadian scholars o 'connor(2004) investigated 227 dismantled buildings in the north American cities and it is concluded that the catagory of structure is not the main factor affecting its life-span [1].Taiwanese scholar You sheng Zhang(2002) researched on millions of buildings in Taiwan's four largest cities , then come up with a conclusion that the residential buildings’ life-span in Taiwan is 35 to 40 years [2]. Japanese scholars(2004) investigated and studied the factors affecting the life-span of buildings in east and south Asia, and pointed out that the ageing factor accounted for 47%, function-improving factor 7%, other economic and social factors 50% [3]. Based on the field investigation of 3255 buildings removed in Chongqing , given some analyses of the factors 3rd International Conference on Education, Management, Arts, Economics and Social Science (ICEMAESS 2015) © 2016. The authors Published by Atlantis Press 591 affecting life-span of the building due to its own factor, Liu guiwen also found some ways to extend the life-span of the buildings [4]. Zhang mengli analyzed the effecting factors using Logistic mold and found out the reasons that caused our country’s buildings’ short life-span [5]. Xu ke xi chose the point of location and come up with the idea that non-fetself-factor also has affection on buildings’ life-span [6]. Ou yang jian tao figured out the average life-span of China’s residential buildings through mathematical ways [7].Chen jian jun took the designing point of view and discussed on this subject, he also proposed some ideas about how to prolong the short residential buildings’ life-span [8]. Chen jian analyzed on the external factors and pointed out that things like the city plan, social economy, and laws also effected the life-span of buildings [9]. This research is to build up a new horizon and concept among the city’s governors, building designers, residents and managers.Through some simple statistics of life-span of removed and soon-to-be-removed buildings, and people’s understanding of environment friendly buildings, we would like to see that it is helpful in urban residential buildings’ sustainable development.