外文翻譯---粉煤灰高性能混凝土的工程應(yīng)用

1、<p>　　Project application of the high-performance concrete of fly ash </p><p>　?。牐?Every performance of this text to high-performance concrete of fly ash has done detailed research, and to the concrete

2、respectively to person who mix of fly ash Kinds of influence of performance and fly ash concrete some questions that should notice carry on analysis and discussion in not constructing.1. Summary  Fly ash, as a kind

3、 of industrial waste material, resources are abundant , cheap, and contain a large amount of active composition , it is modern concrete Central Africa A often</p><p>　　gard durability as main goal go on desi

4、gn mix Congeal the soil . It regards excellent durability (instead of the high strength) as the main characteristic , that is to say, concrete capital of any grade of intensity Can make into the high durability concrete

5、. In order to reach high durability, the performance that the fly ash concrete】</p><p>　　should possess is: Mixing the state newly well Work,namely, without emanating, secreting by water, so that shaping the

6、 even , closely knit by mobility, harden not shrinking subsiding early water and Water shrink light, warm to rise low, harden course is it dwindle to do, in order to reach having the initial crack, the permeability after

7、 hardenning is low. 2． " function " and " effect " of the fly ash are fly ash material technology and application foundation of the project.  Mix and add th</p><p>　　粉煤灰高性能混凝土的工程應(yīng)用&

8、lt;/p><p><b>　?。壅?</b></p><p>　　本文對粉煤灰高性能混凝土的各項性能作了詳細(xì)的研究，并針對粉煤灰的摻入量對混凝土各種性能的影響以及粉煤灰混凝土在施工中應(yīng)注意的一些問題進(jìn)行了分析和探討。 1．概 述 粉煤灰作為一種工業(yè)廢料，資源豐富、價格低廉，且含有大量的活性成分，是現(xiàn)代混凝土中非常重要的一個組分。優(yōu)質(zhì)粉煤灰合理地應(yīng)用于混凝

9、土中，不但能部分代替水泥，節(jié)省工程造價，而且，其特有的性能可以很有效地用于各種使用要求的混凝土中，改善和提高混凝土的性能，是高性能混凝土中的理想摻和料。在現(xiàn)代混凝土中，粉煤灰已經(jīng)與水泥、集料、水、外加劑同樣重要，成為混凝土中的一個組分。粉煤灰高性能混凝土是以耐久性為主要目標(biāo)進(jìn)行設(shè)計的混凝土。它以優(yōu)異的耐久性（而不是高強(qiáng)度）為主要特征，也就是說，任何強(qiáng)度等級的混凝土都可以做成高耐久性混凝土。為達(dá)到高耐久性，粉煤灰混凝土應(yīng)具備的性能是：在新