مروری بر چگونگی پیشرفت پیهای مارپیچ از سال ۱۹۹۰ تا ۲۰۲۰ و دلایل عدم گسترش آن در کشورهای در حال توسعه

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JR_JEG-14-5_002

تاریخ نمایه سازی: 10 اردیبهشت 1400

Abstract:

در ۳۰ سال گذشته استفاده از شمعها، مهارهای مارپیچ و به طور کلی پیهای مارپیچ رو به رشد بوده است. مواردی همچون پذیرش این تکنولوژی در آییننامههای بینالمللی و داخلی هر کشور، تحقیق، پژوهش و در نهایت چاپ کتابها و مقالات فراوان در این حوزه و وجود شرکتهای سازنده، کمیتهها و مجریان این تکنولوژی در گسترش و پیشرفت آن نقش بسیاری داشته است. با این وجود در بسیاری از کشورها، مخصوصا کشورهای در حال توسعه، چنین روشهایی با سرعت بسیار آهستهای پیشرفت کردهاند. در این مقاله تلاش شده است مسیر پیشرفت جهانی پیهای مارپیچ با بررسی ۲۹۲ مقاله از سال ۱۹۹۰ تا ۲۰۲۰ مورد ارزیابی قرارگیرد و مقایسهای بین تحقیقات انجام شده انجام شود. این کار به روشن شدن موضوع کمک کرده و دامنه پیشرفت تکنولوژی را مشخص میکند؛ از طرف دیگر جمعآوری مقالات ارزشمند در این حوزه کار را برای تحقیقات بیشتر برای سایر محققان سادهتر خواهد کرد. در ادامه با مشخص شدن ویژگیهای این تکنولوژی به دلایل عدم پیشرفت این روش در کشورهای در حال توسعه پرداخته شده است. برای این منظور پرسشنامهای تهیه و برای محققان، سازندگان، طراحان و مجریان پروژههای ژئوتکنیکی ارسال شده است. هدف از تهیه این پرسشنامه مشخص کردن مواردی همچون، نوع پروژههای موجود، نوع خاک محل پروژه، میزان آشنایی با تکنولوژی پیهای مارپیچ، دلایل عدم استفاده از این روش و راه حلهای موجود برای گسترش این روش بوده است. در نهایت پیشنهادهایی برای گسترش این روش و موضوعات نیازمند به تحقیق بیشتر ارائه شده است.  

Authors

محمد عماد محمودی مهریزی

Department of Civil Engineering

علی قنبری

Department of Civil Engineering

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