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一幢六层砖混结构住宅楼,建筑面积为1143m~2,设计要求:层层设圈梁,隔间布置构造柱,基础用50号水泥砂浆砌砖,一二层砖墙用50号混合砂浆砌筑,三～六层用25号混合砂浆砌筑,砖用100号机制红砖。1990年9月,该工程竣工验收时,发现墙体砂浆标号极低。然后,对一二层墙体随机各取一组试件作试验,其砌体试件平均抗压强度为:一层25.2kg/cm~2,二层15.5kg/cm~2;对砖块也进行
A six-story brick-concrete residential building with a building area of 1143m~2. Design requirements: ring beams arranged in layers, structural columns in the compartments, foundation bricks with No. 50 cement mortar, and a two-story brick wall mixed with No. 50 Mortar masonry, three to six layers of masonry with 25 mixed mortar, brick with 100 red brick mechanism. In September 1990, when the project was completed and accepted, it was found that the wall mortar marks were extremely low. Then, a set of test specimens were randomly selected from one wall and two walls. The average compressive strength of the masonry specimens was: one layer of 25.2 kg/cm~2, and the second layer of 15.5 kg/cm~2; Also carried out