gravelly concrete

Study on the biaxial tension strength of pebble concrete and gravelly concrete;

碎石混凝土与卵石混凝土双向拉伸强度研究

Experimental study and analyse on penetration effect for crushed corundum concrete against projectile;

刚玉碎石混凝土抗弹丸侵彻效应研究与分析

The penetration test was carried out with 37 mm diameter projectile penetrating the reinforced concrete target, micronized corundum concrete target, the crushed corundum concrete target and nubbly corundum concrete target.

进行了Φ37mm弹对混凝土靶体和刚玉微粉混凝土靶体、刚玉碎石混凝土靶体、刚玉块石混凝土靶体的侵彻试验,得到了不同的侵彻破坏效果,结合试验数据利用计算公式得到不同刚玉石混凝土的抗侵彻系数。

Taking the superhighway engineering of Fuzhou International Airport as an example,this paper introduces the reinforcing mechanism and applicability of the cement-flyash-macadam concrete pile,expounds the design,construction and detection of the cement-flyash-macadam concrete pile,analyzes on the causes of some quality problems,and puts forward some corresponding methods for treatment.

以福州国际机场高速公路工程为例,介绍了水泥粉煤灰碎石混凝土桩(简称粉煤灰桩)的加固机理和适应范围,阐述了在加固处理软基中粉煤灰桩的设计、施工、检测等,分析了一些质量问题产生的原因,提出了相应的处理方法。