What is house inspection? What is the main test?

Housing quality detection is to use certain technical means and methods to detect the quality of existing houses (not the quality of projects under construction), especially the structural quality, and implement dynamic monitoring to ensure the safety of people's lives and property, promote the full and rational utilization of existing housing resources and ensure social stability, so it has great social and economic benefits. Housing testing, also known as housing quality testing and evaluation, refers to the process of testing, evaluating and issuing reports on housing quality by qualified testing units.

Detection range editing

Generally, it can be divided into building (structure) structure detection and appraisal, construction engineering judicial appraisal, post-disaster structure detection and appraisal, and comprehensive detection and evaluation of cultural relics protection building quality.

1, house damage level detection

2. House safety inspection

3, housing damage trend detection

4, building structure and use function change detection

5, a comprehensive inspection of housing quality.

6, other types of housing testing

7, all kinds of post-disaster (snowstorm, fire, earthquake) quality inspection.

8. Judicial expertise of construction projects

9, residential acceptance (one room one inspection)

10, Building Energy Efficiency Testing

1 1, Comprehensive Inspection and Evaluation of Cultural Relics Protection Building Quality

12, Inspection and Appraisal of Excellent Modern Building Protection

13, procedures left over from history, evidence collection, detection and identification of illegal buildings.

14, detection and appraisal of storey-adding renovation of houses

15. Inspection and evaluation before project transformation after shutdown for some reason

16. Quality inspection and evaluation of houses before renting and selling

17, inspection and appraisal before decoration

18, quality dispute (lawsuit) detection and appraisal

19, inspection and appraisal of industrial building production transformation

20, the daily inspection and assessment of building management.

2 1, seismic appraisal and reinforcement of buildings (structures)

22, industrial equipment and pipeline seismic and reliability appraisal [3]

Building damage level detection

Inspection items: check the complete damage condition of building structure, decoration and equipment, and determine the complete damage grade of the building.

Scope of application: Housing evaluation, housing management and other houses that need to determine the degree of housing damage.

House safety inspection

Inspection items: the process of checking the damage of the building structure and analyzing and judging the safety of the building.

Scope of application: houses with signs of danger have been found.

House damage trend detection

Inspection items: monitoring process of deformation, displacement, cracks and other damages caused or possibly caused by external factors such as adjacent projects or internal factors such as house design, construction and use.

Scope of application: houses that may or have been damaged or damaged due to various factors and need to be monitored.

House change detection

Inspection items: When it is necessary to change the building structure and use function, the structural safety is determined through the inspection of the original building structure, and the possibility of changing the building structure and use function is evaluated.

Scope of application: Houses that need to increase load and change structure.

Detection of seismic capacity of buildings

Testing items: the process of evaluating the safety of a house under the action of a specified intensity earthquake according to the specified requirements for seismic fortification by testing the quality of the house.

Scope of application: houses without seismic fortification or with fortification level lower than the current regulations, especially protective buildings, urban lifeline projects and reconstruction and storey-adding projects.

Other types of house inspection

Chemical, high temperature and high pressure damage: detect structural damage caused by aggressive chemical media or high temperature and high pressure.

Test content: 1. Investigate the use and environment of the house and determine the material composition of the damaged parts.

2. Sampling the damaged parts of the damaged components, testing their chemical composition, and determining the damaged range, damaged depth and section weakening degree of the structural components.

3. Determine the mechanical model of the structure, check the bearing capacity of the structure, determine the safety degree of the structure, and put forward treatment suggestions.

Poor durability: detect abnormal damage of building structural members caused by poor durability of building materials.

Test content: 1. Check and determine the material composition of damaged components.

2. Make a preliminary analysis of the deformation or crack of structural members, and if necessary, take samples from the damaged parts for microscopic inspection and analysis.

Infrared detection of building external surface

Infrared detection of building external surface

3. According to the microscopic examination of the component materials, the cause of damage is determined.

4. Determine the mechanical model of the structure, check the bearing capacity of the structure, determine the safety degree of the structure, and put forward treatment suggestions.

Detection of damage scope, degree and residual resistance of structural members after fire damage and house fire.