更新時(shí)間:2024-04-25 10:37:31作者:留學(xué)之路
The test results show that, the flexural fatigue strength of polyacrylonitrile fiber reinforced concrete beams with bottom layer steel fiber is larger than the plain concrete 15.7%;
研究證明:底層撒布較長(zhǎng)鋼纖維的聚丙烯腈纖維混凝土梁的彎曲疲勞強(qiáng)度比素混凝土提高15.7%;
來(lái)源:互聯(lián)網(wǎng)