It analyzes the reasons generating multi storied brick wall crack from the aspects of brick wall material,construction,design,ambient temperature,non-uniform settlement of foundation,and brings forward corresponding prevention measures for settlement crack,thermoelectric crack,structural crack,which will increase quake-proof performance of buildings and the degree of safety for structures.
Combining with the project example , the paper states how to judge temperature crack or settlement crack , and puts forward some comprehensions as how to control and treat cracks based on the analysis of the occurring mechanism of the cracks .
The paper discussed the formation of concrete structure and causes and the influence of plastic shrinkage crack, settlement crack and temperature related crack and suggested some prevention measures and treatment.
The article emphasizes the universality of the temperature crack in buildings and the harmfulness of the superimposed effect of the temperature crack, settlement crack and overload crack, and brings out some opinions to prevention of temperature crack based on the analysis of its causes and features.
Combined with the features of concrete from shrinkage cracks, temperature cracks, settlement cracks and other aspects the reasons caused the non structural cracks of concrete are analyzed; at the same time effective prevention and treatment measures are proposed.
The article describes the types of the concrete cracks and summarizes the reasons for the concrete cracks in respect of shrinkage cracks,temperature cracks and differential settlement cracks. The article also recommends some measures and methods to control the concrete cracks from the viewpoint of design,materials,construction and maintenance.
According to reasons inducing cracks of block structure,it analyzes from loading crack、non-uniform sedimentation crack、temperature and desiccation crack,and puts forward specific control measures to improve reliability of house.
The hazard of the wide cracks to the concrete structure is analyzed. The classification of the cracks in concrete is introduced,and in order to settle the problems caused by cracks and improve the quality of the concrete, the formation and prevention of the nonstructural cracks are studied from shrinkage crack,temperature crack and sedimentation crack aspects.
In this article, the sorts and causes of cracks are analyzed, and the control measures are put forward from structure design and materials to operation.
The sorts and cause of cracks are analyzed from the aspect of contraction crack,temperature cracking and differential settlement cracking and the control measures are put forward on engineering design,materials,construction and maintenance etc.
This paper analyzes on the harms and causes of the plastic shrinkage fracture,sottlement fhcture and temperature fracture of the concrete structure,and puts forward some preventive measures that should be taken from aspects ofthe design of the materials components(mixture ratio)and the construction techniques.
A program to analyze the observed settlement data of earth-rockfill dams is presented in this paper. As the relationship between analyzing process and dam name has been set up in the program, it is convenient to deal with the observed data and estimate the dam performance.
The main types of geological hazard in Guangdong province, either induced from natural factors or influenced by human activity, are earthquakes, landslide, collapse, soil erosion, Karst collapse, water bursting in excavations, deformation of soft soil, ground subsidence, ground crack, reservoir-induced earthquakes, siltation of river and harbour, and endemic fluorosis. According to the geographic zoning, regional crustal movements, natures of rock and soil, and the geological hazard combination type and its...
沉降裂缝
settlement crack
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