Calculation method of bending stiffness of prefabricated reinforced concrete floor in construction stage

• Main Authors: WU ZHIKUN, LYU RONG, WANG LI, LIU HAOQIANG, QUAN HAO
• Format: Patent
• Language: Chinese; English
• Published: 06.02.2018
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention discloses a calculation method of the bending stiffness of a prefabricated reinforced concrete floor in a construction stage. The calculation method comprises the steps of setting a constant load value SG and a live load value SQ shared by reinforced concrete slabs in the prefabricated reinforced concrete floor, calculating a bending moment value M1 and a short-term bending stiffnessK1 shared by the reinforced concrete slabs, calculating a bending stiffness K2 of a reinforced truss on the prefabricated reinforced concrete floor during an elastic phase, calculating a bending moment value M2 of the reinforced truss according to the K2, wherein the total bending moment M of the prefabricated reinforced concrete floor satisfies M=M1+M2, and the total bending stiffness of the prefabricated reinforced concrete slabs satisfies K=K1+K2 under the effect of M, and continuously adjusting the values of SG and SQ until the value of M equals to the target total value M. Then the total bending stiffness value