OUYANG Xue (1994-), female, Doctoral candidate. E-mail: ouyangxue@hnu.edu.cn
The effects of water-to-binder ratio and basalt coarse aggregate on the compressive behavior of ultra-high-performance concrete (UHPC) were investigated. The results show that the compressive strength of UHPC firstly increases and then decreases, while the elastic modulus decreases with the increase of water-to-binder ratio, and the optimum compressive strength is obtained at a water-binder ratio of 0.16. The compressive strength firstly increases and then decreases, while the elastic modulus increases with the increase of coarse aggregate. In addition, a semi-empirical equation considering the parameters of coarse aggregate was also proposed for the prediction of elastic modulus of UHPC, which was validated using the existing literature data.
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |