JPKIC 结构设计原理 jhepniplestctredesig Chapter 9 Computation of Stress,Crack width and Reflection of RC Flexural Members
Chapter 9 Computation of Stress, Crack width and Reflection of RC Flexural Members
JIPKIC 结构设计原理 The principle of structure design The main content of this chapter Characteristics of use of reinforced concrete beam during the calculation. The concept of transformed section and the geometric characteristics. The stress state of reinforced concrete short-term checking. Flexural members of the cracks and the maximum width of crack. Deformation of flexural members. Durability of concrete structures
Characteristics of use of reinforced concrete beam during the calculation. The concept of transformed section and the geometric characteristics. The stress state of reinforced concrete short-term checking. Flexural members of the cracks and the maximum width of crack. Deformation of flexural members. Durability of concrete structures. The main content of this chapter ：
JPKIC 结构设计原理 Tfepmieipleistrcturdesign §9.1 Overview $9.1.1 The difference between the two limit state Ultimate limit state calculation: Discussion of the force components in a variety of state of the bearing capacity,bearing capacity is to ensure the structural safety of the first condition,which determines the size of components,materials,and structural reinforcement
§9.1 Overview §9.1.1 The difference between the two limit state ⚫ Ultimate limit state calculation: Discussion of the force components in a variety of state of the bearing capacity,bearing capacity is to ensure the structural safety of the first condition, which determines the size of components, materials, and structural reinforcement
JIPlKIC 结构设计原理 The principle of structure design Normal limit state checking: In addition to reinforced concrete strength may be due to reasons such damage orfailure to achieve ultimate limit state,it also may be due to components such as excessive distortion or cracks in the applicability and durability of components,but not reach the structure of the normal requirements.Therefore,for all reinforced concrete structures are required for bearing capacity,while some of the components,but also according to the normal conditions of use for checking limit state to ensure that undernormal use stress,cracks and distortion is less than normal Limit state limits
⚫ Normal limit state checking: In addition to reinforced concrete strength may be due to reasons such damage orfailure to achieve ultimate limit state, it also may be due to components such as excessive distortion or cracks in the applicability and durability of components, but not reach the structure of the normal requirements. Therefore, for all reinforced concrete structures are required for bearing capacity, while some of the components, but also according to the normal conditions of use for checking limit state to ensure that undernormal use stress, cracks and distortion is less than normal Limit state limits
JPKIC 结构设计原理 hepnimeipledtstrnicturedesign $9.1.2 Normal checking the contents of the limit state: Construction phase of the concrete and steel stress check. Deformation in the service phase. ● Maximum crack width in the service phase
§9.1.2 Normal checking the contents of the limit state: ⚫ Construction phase of the concrete and steel stress check. ⚫ Deformation in the service phase. ⚫ Maximum crack width in the service phase