A. wood B. paper C. concrete D. water 相关知识点: 试题来源: 解析 C。混凝土(concrete)是一种复合材料,由水泥、骨料和水等组成。木头(wood)是天然材料。纸(paper)主要由纤维素等组成,不是复合材料。水(water)是一种化合物,不是复合材料。反馈...
2.Concrete is a composite material. It consists of coarse aggregate and a continuous matrix of mortar, which itself comprises a mixture of cement paste and smaller aggregate particles. Its physical behavior is very complex, being largely determined by the structure of the composite material, such ...
Concrete is a composite material composed of fine and coarse aggregate bonded together with cement that hardens over time. It is widely used due to its durability strength and versatility.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商
With origins dating back to ancient Romans, thehistory of concretehas shown that it has been a staple material in the world for many, many years. Concrete, known for its durable, long-lasting qualities, can be used for many things. From the foundation of your home to the roads you drive...
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mm2)can be ot\btained.But concrete is very weak in tension,and so has to be adequately reinforced with steel bars .The concrete then takes the compression,and the steel takes all the tension.Both materials work together as a composite material.This material is then called reinforced concrete....
the composite family the composition of pe the compound predicat the comrades concerne the concentration of the concentration of the concept of the the conception of tec the conception of app the conception of dis the concise oxford di the conclusion summar the conclusions the concrete box the ...
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Unliketraditionalschoolbuildings,whichuseconcrete,Kéré?sinventivedesigncombinedlocal clayandcementtoformbricks.Thematerialhelpskeepthebuildingcoolinahotenvironment.A wide,raisedmetalroofprotectsthebuildingfromrainandhelpsairflow.Kéréinvolvedthelocal communitythroughoutthedesignandbuildingoftheschool.Thenumberofstudents...
mm2)can be ot\btained.But concrete is very weak in tension,and so has to be adequately reinforced with steel bars .The concrete then takes the compression,and the steel takes all the tension.Both materials work together as a composite material.This material is then called reinforced concrete....