![](/images/spring/160.jpg)
![](/images/spring/337.jpg)
![](/images/spring/2.jpg)
![](/images/spring/201.jpg)
![](/images/spring/27.jpg)
![](/images/spring/256.jpg)
![](/images/spring/125.jpg)
![](/images/spring/231.jpg)
1) حاشیه ایمنی مقاومت حاشیه ایمنی مقاومت بـرای درنظرگرفتن نوسانات کمی مقاومت بتن به دلیل تغییـرات و نوسـانات کیفـی و کمـی احتمـالی سـیمان، سنگدانه، آب و افزودنی که ناشی از خطاهای انسانی، دستگاهی یا طبیعی است، منظور میشود. حاشیه ایمنی به مقاومت مشخصه بتن اضافه میشود و مقاومـت فـشاری متوسـط لازم برای طرح مخلوط یا همان مقاومت هدف یا نشانه طرح مخلوط...
![whatsapp](/images/whatsapp.png)
![](/images/spring/114.jpg)
![](/images/spring/331.jpg)
![](/images/spring/49.jpg)
![](/images/spring/316.jpg)
![](/images/spring/175.jpg)
![](/images/spring/337.jpg)
![](/images/spring/10.jpg)
![](/images/spring/187.jpg)
![](/images/spring/50.jpg)
![](/images/spring/312.jpg)
![](/images/spring/154.jpg)
![](/images/spring/189.jpg)
![](/images/spring/20.jpg)
![](/images/spring/208.jpg)
![](/images/spring/19.jpg)
![](/images/spring/229.jpg)
![](/images/spring/100.jpg)
![](/images/spring/238.jpg)
![](/images/spring/100.jpg)
![](/images/spring/302.jpg)
![](/images/spring/44.jpg)
![](/images/spring/177.jpg)
![](/images/spring/108.jpg)
![](/images/spring/314.jpg)
![](/images/spring/44.jpg)
![](/images/spring/239.jpg)
![](/images/spring/17.jpg)
![](/images/spring/260.jpg)
![](/images/spring/29.jpg)
![](/images/spring/199.jpg)
![](/images/spring/60.jpg)
![](/images/spring/222.jpg)
![](/images/spring/15.jpg)
![](/images/spring/271.jpg)
![](/images/spring/36.jpg)
![](/images/spring/194.jpg)
![](/images/spring/106.jpg)
![](/images/spring/230.jpg)
![](/images/spring/5.jpg)
![](/images/spring/260.jpg)
![](/images/spring/142.jpg)
![](/images/spring/290.jpg)
![](/images/spring/114.jpg)
![](/images/spring/237.jpg)
![](/images/spring/55.jpg)
![](/images/spring/227.jpg)
![](/images/spring/74.jpg)
![](/images/spring/209.jpg)
![](/images/spring/34.jpg)
![](/images/spring/254.jpg)
![](/images/spring/32.jpg)
![](/images/spring/344.jpg)
![](/images/spring/8.jpg)
![](/images/spring/322.jpg)
![](/images/spring/49.jpg)
![](/images/spring/200.jpg)
![](/images/spring/169.jpg)
![](/images/spring/293.jpg)
![](/images/spring/96.jpg)
![](/images/spring/296.jpg)
![](/images/spring/97.jpg)
![](/images/spring/294.jpg)
![](/images/spring/60.jpg)
![](/images/spring/190.jpg)
![](/images/spring/156.jpg)
![](/images/spring/188.jpg)
![](/images/spring/88.jpg)
![](/images/spring/226.jpg)
یک پیام ارسال کرد