《建筑工人》1998年第9期《大体积泵送混凝土初凝时间和用量的计算》一文中所举例题不恰当,计算结果混凝土初凝时间 t=4.8h,超过规范规定时间。该文中又说:“混凝土初凝时 In the article “Construction Workers” (1998), “Calculation of initial volume and amount of large volume pumped concrete”, the example in the article is not appropriate. The result of calculation is that the initial setting time of concrete is t=4.8h, which exceeds the time specified in the code. The article also said: "When the initial setting of concrete