?? ?????????????????
????:1?????????:??400?3????????
2??????
3?????vx
4????????
5??????????
?11?????22?? (??????????????????? ?????????????)???????????????22???
?1070?????????,?????????????(?190?????)??,?????????????65?????,????????????????????????580??,??????????????????“??”?
????????????????????????? ???????????????????,???????,?????????,???????
????????,??????????????????????????????????,???,???????????????????????????????????????
?????? ????????,????????????????????(?)?,???????????????80?????????????????????????,?,????????(UHPC)??????????????(??)
????:????????????