A simple design formula is lead from the obtained solution, and its accuracy required for the practical design is confirmed by the results of both loading tests and numerical analyses. The design formula evaluating the yield strength of the beam end connection is also indicated and its validity ...
Simple design procedures are developed to prevent local buckling of the steel decking before the ultimate strength of the beam is reached, and to determine the flexural strength of the profiled beam for various strengths of the shear bond. 展开 关键词:...
An empirical formula for direct evaluation of deformability is proposed. Interrelation between the strength and deformability are plotted in charts. Based on the empirical formula and charts, a new method of beam design called “concurrent flexural strength and deformability design” that would allow ...
In 1979, Mattock' presented a procedure for calculating the flexural strength of prestressed concrete sections on an HP-67/97 programmable calculator. His procedure consisted of the theoretically exact "strain compatibility" method and a power formula for modeling the stress-strain curve of ...
After the comparative analysis of the test results, amend the calculation formula for the deflection of yield and breakage of high strength reinforced concrete beam. And the calculation results coming from the amended formula are in good agreement with the experimental results. Introduction High ...
Flexural Strength is calculated by the formula: σ = 3LF/(2bd²)in 3-point test of rectangular specimen σ = 3Fa/(bd²)in 4-point test of rectangular specimen σ = 16Fa/(πD³) = 2Fa/(πr³)in 4-point test of round specimen ...
They proposed a reduction factor, α (α = 0.92 and 0.86 for recycled coarse and fine aggregate concrete, respectively) for modifying the modulus of rupture when predicting the short-term and long-term deflection of RAC beams using the ACI method. Modifying the tensile strength of the ...
This work aims at describing the behavior of high-strength reinforced concrete (HSRC) beams under short-term ultimate loads with concrete compressive stren
To calculate the flexural strength of concrete, use the formula F= PL/ (bd2), where F represents the flexural strength in MPa, P is the failure load in N, L is the effective span of the beam (400mm), and b is the breadth of the beam (100mm). ...
1.The relationship between nucleation temperature and flexural strength was investigated. 研究表明:抗弯强度、晶相含量随温度的升高先提高然后有所下降. 2.Based on the tests, the calculation formula of flexural bearing capacity of the columns is given. 在试验的基础上,给出了角钢混凝土柱正截面承载力计...