混凝土坍落度

BTC型智能便携式混凝土坍落度仪应用试验研究

Experimental study on BTC intelligent portable tester for slump of concrete

通过极差分析和方差分析，明确了各因素对新拌混凝土坍落度、28d抗压强度和28d劈拉强度等力学性能的影响。

After the expand experiment , the optimum mix proportion are determined . Through variance analysis , the influence of every factor to slump of fresh concrete , compressive strength , splitting tensile strength is known .

控制混凝土坍落度损失添加剂的研制及应用

Manufacture and application of admixture to control loss of concrete slump

复合使用高效减水剂控制大流动性混凝土坍落度损失

Control of Slump Loss for high fluidity Concrete by Compounding Superplasticizers

大流动性高强混凝土坍落度经时损失研究

Research on the Slump Time losing of Large Fluidity High-strength Concrete

控制混凝土坍落度损失的载体流化剂

Carrier fluidizing agent for controlling the slump loss of concrete

BTC&1型混凝土坍落度测定仪验证试验研究

A study on testing and evaluation of the BTC-I concrete slump tester

粉煤灰对混凝土坍落度影响的试验研究

Test research of fly ash affecting on slump of concrete

用外加剂控制泵送混凝土坍落度经时损失

Using Admixture to Control Pumped Concrete Slump Loses Through Time

预拌混凝土坍落度经时损失与控制的试验研究

Research on the gradual loss and control in slump of the Ready-Mixed Concrete

随着管沟污泥掺量的增加，混凝土坍落度降低；

And with increasing of sludge , the slump of the concrete decreases .

混凝土坍落度损失的原因分析及解决方法

The reasons and solutions of the concrete slump losses

混凝土坍落度失误事故的分析和处理

An analysis of concrete slump failure and its treatment

一种控制混凝土坍落度损失的方法

Way to Control the Loss of Slump of Concrete

预拌混凝土坍落度损失的研究

The Research of Slump Loss in Ready Mixed Concrete

商品混凝土坍落度经时损失控制方法

Solution of damage caused by commodity concrete 's collapse

混凝土坍落度影响因素的试验研究

Experimental research on influence factors of concrete slump

混凝土坍落度施工控制技术

Construction Control Technology of Slump of Concrete

抑制混凝土坍落度损失的高效减水剂研制

Development of High-range Water-reducing Agent ( HRWRA ) to Control Slump Loss with Fresh Concrete

影响自密实混凝土坍落度损失因素的试验研究

Studies on slump loss of self-compacting concrete

研究了掺合料、外加剂对轻骨料混凝土坍落度及抗压强度的影响。

The influence of admixtures on slump and compression strength of light aggregate concrete has been studied .

本文研究了硅灰、超细矿渣对高强混凝土坍落度和强度的影响。

The effect of silica ash and superfine slag on the slump and strength of high strength concrete are studied .

该类高效减水剂分散性能好，对控制混凝土坍落度经时损失具有显著效果。

This kind of superplasticizer has a fairly good dispersing performance and notable effectiveness on controlling the slump loss of concrete .

同时，对不同外加剂以及外加剂复合对新拌混凝土坍落度和扩展度的影响进行了初步分析。

And meanwhile , the author made primary analysis to concrete slump and slump flow loss with different additives and additives admixture .

国内外在控制混凝土坍落度损失方面已进行了大量研究工作，并取得了一定成果。

There is a great deal of research work about controlling slump loss of concrete in the world , with some achievements made .

该减水剂与目前市售萘系减水剂相比，具有掺量低、减水率大及混凝土坍落度损失小、抗压强度高等优良性能，且制备工艺简单。

The product has good performance , such as low dosage , high water-reducing rate , low slump-loss , and its preparation is simple .

试验结果表明，复合使用高效减水剂和缓凝剂，能有效控制混凝土坍落度经时损失。

Experiment results showed that compound use of efficient water-reducing admixture and retarding agent can efficiently control the pumped concrete slump loses through time .

通过混凝土坍落度试验，从水泥、粉煤灰及塑化剂三方面研究了水泥及粉煤灰与塑化剂的适应性问题。

Compatibility of cement and pfa with plasticizer was studied through the slump test of concrete from the aspects of cement , pfa and plasticizer .

聚羧酸系减水剂具有高减水率和控制混凝土坍落度损失等优点，研究开发新型聚羧酸系减水剂受到广泛关注。

As polycarboxylic acid type water-reducers exhibit an excellent ability of water-reducing and prevention of slump loss , their development has been being widely paid attention to .

结果表明，提高长径比，混凝土坍落度变大，抗压强度、劈拉强度得到提高。

The results show that the increasement of the aspect ratio make the slump of concrete larger , while compressive strength , splitting tensile strength were also improved .