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بررسی و تخمین عمر مفید سازه های بتن مسلح تحت اثر محیط های خورنده و
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بررسی و تخمین عمر مفید سازه های بتن مسلح تحت اثر محیط های خورنده و
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تاریخچه بتن در محیطهای دریایی حاکی از آن است که بتن از نظر دوام و پایایی در محیطهای دریایی که به عنوان یکی از خورندهترین محیطهای طبیعی در جهان شناخته میشود، در معرض مشکلات جدی قرار دارد. از سوی دیگر بتن در حال حاضر گستردهترین کاربرد را در بین مصالح شناخته شده توسط بشر دارد. اگر بخواهیم از روی تمایلات و علائق جهانی قضاوت کنیم، به نظر میرسد که آینده بتن از این هم روشن تر باشد. دلیل این امر آن است که بتن بیشترین خواص مطلوب مهندسی را با هزینه کم برآورده میسازد و در عین حال از نظر صرفه جویی در مصرف انرژی و ملاحظات زیست محیطی سودمندیهایی را در بر دارد. گستردگی استفاده از بتن به عنوان مصالح سازهای اصلی در سازههای واقع در محیطهای دریایی نیز تسری یافته واقعیت فوق است. البته علیرغم خورندگی شدید آب دریا، در مقایسه با سایر مصالح سازهای، بتن با کیفیت مطلوب، عملکرد رضایت بخشی را در آب دریا از خود نشان می دهد.با این حال گزارشات انتشار یافته در این زمینه شامل نمونههای بیشماری از بتنهای مسلح و غیر مسلح میباشد که آسیب دیدگیهای جدی در محیطهای دریایی را تجربه کردهاند.
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