supported by the National Natural Science Foundation of China (No. 50490270, 50774077, 50574089, 50490273);the New Century Excellent Personnel Training Program of the Ministry of Education of China (No. NCET-06-0475);the Special Funds of Universities outstanding doctoral dissertation (No. 200760) ;the Basic Research Program of China (No. 2006CB202204-3)
In order to forecast the strength of filling material exactly, the main factors affecting the strength of filling material are analyzed. The model of predicting the strength of filling material was established by appl...