In addition, it was able to confirm an effect to reduction of adiabatic temperature rise and improvement of fluidity of concrete.
此外,粉煤灰和石灰石替代部分水泥还能减小混凝土的绝热温升、改善其流动性。
It is shown that the limestone powder with appropriate particle distribution can improve the fluidity of concrete, reduce bleeding rate and shorten the setting time.
试验结果表明:一定颗粒分布的石灰石粉能改善新拌混凝土的流动性能,减少泌水率及缩短凝结时间。
By test analysis compared with strength degree 32.5 of cement, strength of steel slag concrete is slightly decreased, but its fluidity is improved.
实验对比表明:与强度等级为32 . 5的纯水泥钢渣混凝土对比,掺入钢渣粉的砼强度略有降低,但能改善混凝土的和易性。
Chesion and plasticity of steel slag concrete is increased, its fluidity is improved and expansibility is decreased owing to addition of fly ash.
掺入粉煤灰将增大混凝土的粘聚性和可塑性,改善混凝土的和易性,减小混凝土的膨胀性。
The paper mainly introduced the application technology of the pumping high strength concrete (C60) which takes crushed gravel as coarse aggregate with big fluidity.
本文着重介绍采用以破碎卵石为粗骨料配制大流动性泵送c 60混凝土技术应用。
The key point in making underwater concrete of drill hole grouting pile is that it requires high fluidity.
钻孔灌注桩水下混凝土配制的关键是要求流动性要好。
The effect of revibration for low fluidity concrete is not well, which reduces strength of concrete.
低塑性混凝土的二次振动效果不是很好,降低了混凝土的强度;
The concrete has the characteristics of large fluidity, low slump loss, and high early strength, and it is suitable for the highrise and long-span building structure.
该混凝土具有流动性大,坍落度损失小,早期强度高的特点,适合于高层、大跨度的现代建筑结构。
Besides, it effectively maintains fluidity of cement paste and decreases concrete slump loss which is attributed to absorption effect of zeolite to FDN.
并且由于其具有FDN缓释效果,还能有效延长水泥的净浆流动度,减少混凝土坍落度的经时损失。
It was studied that the effect of the quantity of steel slag and silica fume on concrete strength and fluidity as well as the rule of the strength of concrete with steel slag and silica fume.
研究了钢渣、硅粉掺量对混凝土强度与流动性的影响以及钢渣、硅粉混凝土强度规律。
With the merits of higher fluidity effect and preventing concrete mix from slump-loss with time duration, poly-carboxylic acid series water-reducer agent (WRA) has been widely studying.
聚羧酸系减水剂具有高减水率和抑制混凝土坍落度经时损失的优点,研究开发新型的聚羧酸系减水剂受到国内外广泛关注。
Flocculated cement structure enclosing lots of water can be found in cement paste, which will influence fluidity and strength of concrete.
新拌水泥浆体中,水泥颗粒互相粘结形成包裹水的絮凝结构,严重影响了混凝土的工作性和强度。
Adoption of viscous agent is a key technique to ensure lightweight aggregate concrete with big fluidity to have good performances.
增粘剂的采用是保证大流动性轻骨料混凝土具有优良性能的关键。
Structure of superplasticizer was characterized by IR and effects of the product on fluidity of cement paste and water reduction for concrete were investigated.
利用IR表征了其结构,并考察了产品对水泥净浆流动度和混凝土减水率的影响。
The correlativity of cement paste fluidity and concrete rheologic property was tested during the time of testing preparation of C100 self-leveling concrete.
在工程试配C100自流平混凝土的同时,进行了水泥净浆流动度与混凝土流变性能相关性试验。
Chesion and plasticity of steel slag concrete is increased, its fluidity is improved and expansibility is decreased owing to AD...
掺入粉煤灰将增大混凝土的粘聚性和可塑性,改善混凝土的和易性,减小混凝土的膨胀性。
Chesion and plasticity of steel slag concrete is increased, its fluidity is improved and expansibility is decreased owing to addition of fl...
掺入粉煤灰将增大混凝土的粘聚性和可塑性,改善混凝土的和易性,减小混凝土的膨胀性。
Chesion and plasticity of steel slag concrete is increased, its fluidity is improved and expansibility is decreased owing to addition of fl...
掺入粉煤灰将增大混凝土的粘聚性和可塑性,改善混凝土的和易性,减小混凝土的膨胀性。
应用推荐