![](/images/spring/15.jpg)
![](/images/spring/206.jpg)
![](/images/spring/161.jpg)
![](/images/spring/267.jpg)
![](/images/spring/2.jpg)
![](/images/spring/180.jpg)
![](/images/spring/122.jpg)
![](/images/spring/178.jpg)
![](/images/spring/2.jpg)
![](/images/spring/207.jpg)
![](/images/spring/83.jpg)
![](/images/spring/227.jpg)
![](/images/spring/142.jpg)
![](/images/spring/348.jpg)
![](/images/spring/126.jpg)
![](/images/spring/255.jpg)
![](/images/spring/108.jpg)
![](/images/spring/224.jpg)
![](/images/spring/70.jpg)
![](/images/spring/192.jpg)
![](/images/spring/28.jpg)
![](/images/spring/246.jpg)
![](/images/spring/172.jpg)
![](/images/spring/227.jpg)
![](/images/spring/114.jpg)
![](/images/spring/212.jpg)
![](/images/spring/77.jpg)
![](/images/spring/291.jpg)
![](/images/spring/143.jpg)
![](/images/spring/181.jpg)
![](/images/spring/41.jpg)
![](/images/spring/225.jpg)
![](/images/spring/152.jpg)
![](/images/spring/302.jpg)
![](/images/spring/61.jpg)
![](/images/spring/307.jpg)
![](/images/spring/92.jpg)
![](/images/spring/284.jpg)
![](/images/spring/41.jpg)
![](/images/spring/205.jpg)
![](/images/spring/2.jpg)
![](/images/spring/276.jpg)
![](/images/spring/152.jpg)
![](/images/spring/196.jpg)
![](/images/spring/7.jpg)
![](/images/spring/337.jpg)
![](/images/spring/127.jpg)
![](/images/spring/298.jpg)
![](/images/spring/146.jpg)
![](/images/spring/265.jpg)
![](/images/spring/134.jpg)
![](/images/spring/265.jpg)
![](/images/spring/20.jpg)
![](/images/spring/296.jpg)
همان طور که اشاره کردیم، یکی از جاهایی که آزمایش دانه بندی شن و ماسه اهمیت دارد، در تولید بتن است. اندازه دانههای ماسهای که در ساخت بتن مورد استفاده قرار میگیرد، بر روی میزان آب و سیمان مورد نیاز، کارایی، قوام، استحکام، تخلخل، آبرفتگی و پوکی بتن تاثیر میگذارد. در کنار تمام این موارد، نحوه دانه بندی شن و ماسه حتی جداشدگی بتن را هم کنترل میکند و...
![whatsapp](/images/whatsapp.png)
![](/images/spring/80.jpg)
![](/images/spring/286.jpg)
یک پیام ارسال کرد