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گفتار پيش
الرعايه در طراحي، اي است از ضوابط فني، اجرايي و حقوقي الزم مقررات ملّي ساختمان مجموعه
ات ساختماني اعم از تخريب، نوسازي، توسعه بنا، تعمير و مرمت اساسي، تغيير نظارت و اجراي عمليدهي مناسب، آسايش، بهداشت و برداري از ساختمان كه به منظور تأمين ايمني، بهره كاربري و بهره
.گردد صرفه اقتصادي فرد و جامعه وضع ميهاي نامه يگر از قبيل آيين در كنار مقررات ملّي ساختمان، مدارك فني د ودر كشور ما
ها و نشريات سازي، مشخصات فني ضميمه پيمان كارهاي ساختمان ساختماني، استانداردها و آيينيابد كه گرچه از نظر كيفي و محتوايي ارشادي و آموزشي توسط مراجع مختلف تدوين و انتشار مي
.ري دارندحايز اهميت هستند، اما با مقررات ملّي ساختمان تمايزهاي آشكاسازد، الزامي بودن، اختصاري آنچه مقررات ملّي ساختمان را از اين قبيل مدارك متمايز مي
بودن و سازگار بودن آن با شرايط كشور از حيث نيروي انساني ماهر، كيفيت و كميت مصالح گفته يشهاي پ باشد تا از اين طريق نيل به هدف ساختماني، توان اقتصادي و اقليم و محيط مي
.ممكن گرددنبايدهاي و بايدها اي از حداقل هاي مورد نياز ومجموعه در حقيقت مقررات ملّي ساختمان،
گيري از با بهره توان مهندسي كشور و اجرائي و ساخت وساز است كه با توجه به شرايط فني و .تدوين شده است يه وته براي آحاد جامعه كشور، المللي وبين آخرين دستاوردهاي روز ملّي و
قانون نظام مهندسي و كنترل ساختمان وظيفه تدوين 33 كه در اجراي ماده وزارتخانهين ا مقررات ملّي را به عهده دارد، از چند سال پيش طرح كلي تدوين مقررات ملّي ساختمان را تهيه و
شوراي تدوين مقررات ملّي «به مرحله اجرا گذاشته است كه براساس آن، شورايي تحت عنوان با عضويت اساتيد و صاحبنظران برجسته كشور به منظور نظارت بر تهيه و هماهنگي » ساختمان
حدود و دامنه كاربرد تشكيل داده و در كنار آن پردازي، بين مباحث از حيث شكل، ادبيات، واژهقررات ملّي ساختمان را، جهت مشاركت جامعه مهندسي كشور در تدوين م» هاي تخصصي كميته«
.زير نظر شورا به وجود آورده است
د
هاي تخصصي مربوط به هر مبحث كميته نويس مقدماتي مبحث موردنظر، پس از تهيه پيش نويس مذكور را مورد بررسي و تبادل نظر قرار داده و با انجام نظرخواهي از مراجع ذيصالح پيش
ها ي و دانشگاهي، مؤسسات تحقيقاتي و كاربردي، انجمنهاي رسمي دولتي، مراكز علم نظير سازمانشهرداريهاي و ها هاي نظام مهندسي ساختمان استان اي و مهندسي، سازمان هاي حرفه و تشكل
.نمايند سراسر كشور، آخرين اصالحات و تغييرات الزم را اعمال ميتصويب اكثريت ختمان ومتن نهائي اين مبحث پس از طرح در شوراي تدوين مقررات ملّي سا
جامعه دستگاههاي اجرائي و به شهرداريها و رسيده واينجانب اعضاي شوراي مذكور، به تأييد .مهندسي كشور ابالغ گرديده است
با زماني كه اين وظيفة خطير به اين وزارتخانه محول گرديده، مجدانه سعي شده استز ا هاي تخصصي مربوط به هر مبحث و كسب قررات ملّي ساختمان و كميتهتشكيل شوراي تدوين م
صالح بر غناي هر چه بيشتر مقررات ملّي ساختمان بيفزايد و اين نظران و مراجع ذي نظر از صاحبگذار بوده است در اختيار جامعه مهندسي كشور قرار طور كه منظور نظر قانون مجموعه را همان
.دهد تالشها و زحمات جناب آقاي مهندس ابوالفضل صومعلو، معاون محترم وزير در بدين وسيله از
امور مسكن و ساختمان و جناب آقاي دكتر غالمرضا هوائي، مديركل محترم مقررات ملّي ساختمان . نمايماند، سپاسگزاري ميو ساير كساني كه به نحوي در تدوين اين مجلد همكاري نموده
علي نيكزاد
و شهرسازياهروزير
ه
مقررات ملّي ساختمانهجدهم كنندگان مبحث تدوينهيأت )بر اساس حروف الفبا(
شوراي تدوين مقررات ملّي ساختمان) الف عضو مهندس محمدرضا اسماعيلي عضو اباذر اصغريدكتر عضو محمدحسن بازياردكتر عضو زادهاصغر جاللمهندس علي عضو دكتر عليرضا رهايي رئيس مهندس ابوالفضل صومعلو عضو محمدتقي كاظميدكتر عضو ابوالقاسم كرامتيدكتر عضو يگالبچدكتر محمود نايب رئيس و عضو ئيدكتر غالمرضا هوا
اعضاي كميته تخصصي) ب مسؤول تدوينعضو و محمدجعفر هدايتي عضو مينا مكانيك عضو دكتر پروين نصيري
با همكاري مركز تحقيقات ساختمان و مسكن دبيرخانه شوراي تدوين مقررات ملّي ساختمان )ج
معاون مديركل ومسئول دبيرخانه شورا اكروان مهندس سهيال پ
مقررات ملّي ساختمانكارشناس تدوين مهندس الله جعفر پورياني
مقررات ملّي ساختمان تدوين رئيس گروهدكتر بهنام مهرپرور
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25-�"�4 %8�"�8> ���' �%�IIC25- Impact Insulation Class
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78
=�%> 7��0�R-4: �"�4 %8�"�8>G4 �� �+��+ 8�J %� - G��;
K6 ���- K���Za
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�m��>� �*mX>Lnw (dB)
IIC (dB)
���8�J �0-59/1�%��)+� %�3F " %'��� �J�)-203 ��)�)�
$�0# �22/1 C>��� " ��)�)� 406C)���F ���)�)� " ��-�� %;
L4�� �" L4�� C>���406 $�0# �" +8.� Q)(����)�)�90
���)�)� N? �0- ��� i�27/1 ��� �' ��)+�
6644
$4�� " c�� " ��� �)SL�
3/24
4664 $�0# " ���� 5"38 %�� ��)�)�
���8�J �0-16�%��)�)� �J�)- %�3F " %'���203 � ��)�)�
$�0#22/1 C>��� " ��)�)� 406 C)���F ���)�)� C>��� " ��-�� %;
L4�� �" L4��406���)�)� Q)(��" +8.� $�0#90���)�)� ��� �'
N? �0-27/1 ��� �' ��)+�
7931
$4�� " c�� " ��� �)SL�
6/25
4070