本文以C 30为例，分析了粉煤灰双掺混凝土和普通混凝土耐久性指数，论证了粉煤灰双掺混凝土工程应用的可行性。
Taking C30 concrete for example, analysis the durability index of common concrete and co-dope concrete, and proved the engineering application feasibility of fly ash for co-dope concrete.
靠近仔细看，这些2、3毫米的缝隙形成了的图案会让你大吃一惊，但是从某个角度或者从远处看，它和普通的混凝土没什么两样。
Up close, the 2-3mm gaps make a startling pattern and from certain angles or at a distance appear exactly the same as normal concrete.
这与弹体在普通混凝土和岩石中的侵彻现象明显不同，主要是由侵彻弹体发生破坏失去了继续侵彻能力造成的。
The results indicate that the penetration depth does not increase with the increasing hit velocity, which is different from the phenomena of the penetration of concrete and rock.
应用推荐