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【问】近几年来,关于砌筑砂浆配合比的计算公式,一些建筑书刊都有介绍,但介绍的方法各不相同。究竟怎样正确计算呢?请给予解答。 (江苏省刘惠中)【答】关于砌筑砂浆配合比的计算问题,现答复如下。1.水泥用量的计算公式一般采用:Q=(R_(砂浆))/(K×R_(水泥))×1000有些书刊提Q=(R_(砂浆))/(K×R_(水泥))1000×1.1实际上是将水泥用量再提高10%,可能考虑下面的几种情况:(1)《砖石工程施工及验收规范》规定:试配砂浆应按设计标号提高
[Ask] In recent years, some building books and periodicals have been introduced about the calculation formula for the mixing ratio of masonry mortar, but the methods introduced are not the same. How to calculate correctly? Please give an answer. (Liu Huizhong, Jiangsu Province) [Answer] On the calculation of the mixing ratio of masonry mortar, the reply is as follows. 1.Calculation formula for cement usage: Q=(R_(mortar)/(K×R_(cement))×1000 Some books mention Q=(R_(mortar)/(K×R_(cement)) 1000 ×1.1 actually increases the amount of cement by another 10%. The following situations may be considered: (1) The “Code for Construction and Acceptance of Masonry Buildings” stipulates that the test mortar should be increased according to design labels.