Objective Question
The average compressive strength of a burnt clay brick is less than 12.5 N/mm². The allowable rating of efflorescense is
The average compressive strength of a burnt clay brick is less than 12.5 N/mm². The allowable rating of efflorescense is
According to Indian Standard IS 1077:1992 (Clause 7.3) for common burnt clay building bricks, the permissible limit of
efflorescence depends directly on the compressive strength class of the brick:
For bricks with a compressive strength up to 12.5 N/mm²: The allowable rating of efflorescence must not be more than
Moderate.
For bricks with a compressive strength above
सामान्य पकी हुई मिट्टी की ईंटों के लिए भारतीय मानक IS 1077:1992 (क्लॉज़ 7.3) के अनुसार, एफ्लोरेसेंस (efflorescence) की स्वीकार्य सीमा
सीधे ईंट की कंप्रेसिव स्ट्रेंथ क्लास पर निर्भर करती है:
12.5 N/mm² तक की कंप्रेसिव स्ट्रेंथ वाली ईंटों के लिए: एफ्लोरेसेंस की स्वीकार्य रेटिंग 'मॉडरेट' (moderate) से अधिक नहीं होनी चाहिए।
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