As the causes of house subsidence repair solutions are diverse, they can be classified into the following types: temperature change, foundation subsidence, decoration material problems, insufficient load-bearing capacity of brick and masonry, and structural stress imbalance.

At present, many houses will have cracks of different widths after living for a period of time, but not a crack will affect the personal safety of residents, some cracks will not affect the structural safety of the house, and appropriate repair measures can avoid cracks continuing to widen.

1. Classification of house subsidence repair solutions

According to the causes of cracks, it can be divided into load cracks, settlement cracks, temperature cracks, shrinkage cracks and so on.

Cracks are divided into two categories according to whether they are load-related and whether they affect safety:

1, structural cracks: including load cracks, settlement cracks, the generation of such cracks is mainly related to the load, if not timely use of appropriate measures will affect the structural safety of the house.

2, non-structural cracks: including temperature cracks, shrinkage cracks, such cracks are not caused by structural load, the generation of cracks does not affect the safety of the structure. Non-structural cracks account for more than 80% of house cracks.

2. Reasons for house subsidence repair solutions

1. Causes of structural cracks:

(1) Uneven settlement of foundation

(2) Design reasons: calculation errors, structure does not meet the requirements of national norms

(3) Construction reasons: insufficient concrete strength, insufficient reinforcement or low support reinforcement, insufficient bearing capacity of brick masonry, unqualified decoration materials, insufficient section size, etc.;

(4) Reasons for use: change the nature of the use of the house, overload use, unreasonable demolition and modification of the structure, unbalanced structural stress, etc.

2. Causes of non-structural cracks:

(1) Wall settlement cracks: caused by uneven settlement of the foundation. Generally distributed in the lower part of the building, gradually decreasing from the bottom to the top;

(2) Temperature cracks: shrinkage and expansion of reinforced concrete structures due to the influence of atmospheric and ambient temperature changes.

(3) Shrinkage cracks: in the hardening process of concrete, shrinkage deformation will occur, and the resulting cracks are called shrinkage cracks (also known as dry shrinkage cracks).

The production and quantity of shrinkage cracks are related to material properties, design factors and construction techniques. Maintenance, climate temperature difference, house size, expansion joint spacing and so on.

The width of temperature cracks is often reversible, while shrinkage cracks are not.

3. house subsidence repair solutions

1, structural cracks: structural cracks in the house, ordinary decoration methods can not be repaired, we must find professional building structure personnel according to the actual situation, take corresponding measures.

Hengxiang Hongye non-destructive and controllable soil solidification technology is recommended, which is suitable for the treatment of different geological foundations such as silt, silty soil, cohesive soil, silt, sand, gravel soil, artificial fill soil, etc. Good economic and social benefits; The processing method is flexible and simple, and the construction period is short; Flexible lifting, without breaking, can realize the deep reinforcement of the soil of residential buildings, especially effectively solve the problem of strengthening and repairing cracks caused by the settlement of high-rise residential buildings and building tilt correction.

2, temperature cracks: the house temperature cracks, this crack on the house structure usually does not affect, this crack mainly affects the appearance of the house beauty, then we can use some repair measures, you can use non-woven cloth to paste to the crack, PVC mesh cloth paste above or mortar caulking, and then in the use of paint to paint repair.

Genetic analysis of house subsidence repair solutions shows that house cracks may be caused by a variety of factors. In order to reduce the occurrence of house subsidence repair solutions, strict control is required in all aspects of building structure, including material, design and construction. During the use of the house, regular house inspection and maintenance should be carried out to find and deal with cracks in time to avoid further damage to the house structure.

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