Basic Concept Of Building Inspection And Appraisal Of Steel Fire Doors Building Reliability Appraisal Of Buildings

The steel fireproof door ensures the of the structure. Another example is the Sales Office of a community in Shanghai. After the sale, the building is rented to a hair salon to engage in the hair salon industry. During the secondary decoration, the user hangs all the ceiling load on the members of the roof grid structure, resulting in large-area bending of the roof members and excessive roof deflection. After the overall inspection and appraisal of the structure by the appraisal organization, It is decided to replace the roof as a whole. Another example is the plant structure in an industrial park in Lishui, Xijiang. Due to the transformation of the power system, a large area of photovoltaic solar panels need to be installed on the plant roof, which increases the roof load from the original to. For the same reason, in order to ensure the structure and subsequent use of the plant structure, The solar energy manufacturer commissioned an organization to inspect and identify the plant structure.

Due to the impact of disastrous events, when the structure is damaged to varying degrees (such as earthquake, typhoon, fire, blasting, etc.), it is necessary to detect and identify the original structure, so as to provide basis for reinforcement. For example, after the Wenchuan earthquake on August, many houses with steel fire doors were damaged to varying degrees, such as cracking, inclination, uneven settlement, etc. based on this, many domestic testing and appraisal institutions were stationed in the disaster area to detect and identify the post earthquake structure of a large number of houses. Due to the impact of disastrous events, when the structure is damaged to varying degrees (such as earthquake, typhoon, fire, blasting, etc.), it is necessary to detect and identify the original structure, so as to provide basis for reinforcement. For example, after the Wenchuan earthquake on August, many houses were damaged to varying degrees, such as cracking, inclination, uneven settlement, etc. based on this, many domestic testing and appraisal institutions were stationed in the disaster area to carry out post earthquake structural testing and appraisal of a large number of houses, which greatly protected the people in the disaster area and provided a decision-making basis for post earthquake reconstruction. In recent years, In China, high-rise buildings emerge one after another, and the construction of transportation infrastructure such as subway and urban roads is advancing by leaps and bounds, followed by the continuous emergence of deep and large foundation pits everywhere.

The excavation of deep and large foundation pit will inevitably cause soil displacement and have a harmful impact on the surrounding buildings. Therefore, the detection and identification of buildings within the influence range of deep and large foundation pit is also one of the important objects faced by the detection and identification industry, which is also one of the important measures to ensure the smooth progress of foundation pit engineering. The basic concept of building inspection and appraisal of steel fire doors the basic concept of building reliability appraisal in the use process of building construction, it not only needs regular management and maintenance, but also needs to be repaired in time after several years, so as to complete the function entrusted by the design. At the same time, there are a large number of houses and buildings that need reinforcement due to improper design, construction and use, transformation due to change of use, or treatment due to change of use environment, etc. To do these jobs well, we should first understand the problems existing in the durability, usability and durability of housing construction, so as to make a safe, reasonable, economic and feasible scheme. The indexes of building constructability, serviceability and durability are reflected by the reliability of building structure. Therefore, for the detection and appraisal of building construction, we call it building reliability appraisal. The work and results provided by building reliability appraisal are the evaluation basis for solving the above problems, It is the appraisal of building reliability index.