The allowable stress of large aggregate concrete in arch dam design

2004 ◽  
pp. 1165-1169
Author(s):  
Huichao Dai ◽  
Eryu Zhu ◽  
Chunliang Li ◽  
Xiaowei Zhu
2011 ◽  
Vol 179-180 ◽  
pp. 79-85
Author(s):  
Huai Liang Wang

Based on the fundamental test data and the mesoscopic approach, a rigid body spring model is developed for simulation of the behavior of large aggregate concrete subjected to uniaxial or multiaxial load. Firstly, the concrete is treated as a three-phase inhomogeneous system; random aggregate model for fully-graded concrete is used to form the aggregate distribution. Then, based on the rigid body spring discrete element model, a procedure for mesoscopic study behaviour of large aggregate concrete under the two-dimensional stress state is given. At last, the comparison of numerical and experimental results shows that this method could effectively describe the failure behavior of large aggregate concrete under various plane stress state.


2015 ◽  
Vol 67 (6) ◽  
pp. 282-293 ◽  
Author(s):  
Linlin Shi ◽  
Licheng Wang ◽  
Yupu Song ◽  
Lu Shen

2017 ◽  
Vol 69 (6) ◽  
pp. 317-319
Author(s):  
Linlin Shi ◽  
Licheng Wang ◽  
Yupu Song ◽  
Lu Shen ◽  
José R. Martí-Vargas

Author(s):  
Jianguo Chen ◽  
Luqiang Liu ◽  
Maixi Zhou ◽  
Zhuojie Huang ◽  
Ruoyu Li ◽  
...  

2021 ◽  
Vol 13 (5) ◽  
pp. 991-1002
Author(s):  
Jian-Chao Wang ◽  
Zhong-Zheng Guan ◽  
Zi-Ming Qiu ◽  
Wei Hou

The mechanical characteristics of recycled large aggregate concrete show poorer performance than that of Portland-cement concrete due to the internal defects of recycled large aggregate (RLA). To improve the mechanical characteristics of recycled large particle size aggregate concrete, the recycled large aggregate Self-Compacting Concrete filled steel tube (RLA-SCCFST) is proposed. The external steel tube can not only keep the core recycled large aggregate concrete in the three-dimensional state of stress, but also prevent the crack expansion of the core recycled large aggregate concrete. RLA-SCCFST subjected to compression is studied experimentally. The compression failure tests use 20 specimens of circular section short column with different steel content rate, particle size of RLA, strength of RLA, strength of SCC, and eccentricity of the load. The influence of different factors on mechanical characteristics of RLA-SCCFST short cylindrical components subjected to compression is analyzed. The results indicate that the load-bearing performance of RLA-SCCFST short columns increases following with the augmentation of RLA particle size, strength of RLA particle size, strength of SCC and steel content rate. The load-bearing performance of RLA-SCCFST short columns reduced with the augmentation of the load eccentricity. And the experimental results are in high coincidence with those calculated by different formulas.


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