CHAFF 发表于 2025-3-21 18:57:21
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The use of bricks and blocks,e) points out that strength is not to be taken as an indication of durability. It is true that bricks of strength over 48 N/mm. are mostly durable although there are bricks of this order of strength which are badly affected by adverse climatic conditions such as alternating damp and severe frost. OnMadrigal 发表于 2025-3-22 16:51:13
The use of bricks and blocks,e) points out that strength is not to be taken as an indication of durability. It is true that bricks of strength over 48 N/mm. are mostly durable although there are bricks of this order of strength which are badly affected by adverse climatic conditions such as alternating damp and severe frost. On激励 发表于 2025-3-22 20:26:11
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The use of concrete,crete. This is largely achieved by the simple variation of its ingredients. These generally consist of an aggregate of stone or other gravel, graded from dust up to a certain maximum size, bound together with a cementitious material such as Portland cement. Concrete can be designed quite precisely aangiography 发表于 2025-3-23 04:38:18
Free-standing walls,l purpose as symbols demonstrating the authority, elegance and remoteness of those on one side of the wall from those on the other. Mainly, however, a wall’s purpose has been to divide space, control movement and to obstruct vision, thus giving privacy. In some cases walls are built to provide sheltSilent-Ischemia 发表于 2025-3-23 07:29:17
Free-standing walls,l purpose as symbols demonstrating the authority, elegance and remoteness of those on one side of the wall from those on the other. Mainly, however, a wall’s purpose has been to divide space, control movement and to obstruct vision, thus giving privacy. In some cases walls are built to provide shelt