邹权 - 2010/5/6 8:18:00
在配合比设计过程中什么情况下不允许或者不建议掺粉煤灰，为什么？请各位前辈指教，谢谢！öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
sxpm616 - 2010/5/19 3:06:00
第303条配制泵送混凝土大体积混凝土抗渗结构混凝öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
土抗硫酸盐和抗软水侵蚀混凝土蒸养混凝土轻骨料混凝土地öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
下工程混凝土水下工程混凝土压浆混凝土及碾压混凝土等宜öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
掺用粉煤灰öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
第305条粉煤灰用于下列混凝土时应采取相应措施öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
一粉煤灰用于要求高抗冻融性的混凝土时必须掺入引气öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
剂öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
二粉煤灰混凝土在低温条件下施工时宜掺入对粉煤灰混凝öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
土无害的早强剂或防冻剂并应采取适当的保温措施öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
三用于早期脱模提前负荷的粉煤灰混凝土宜掺用高效减öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
水剂早强剂等外加剂öK§ xy_În#bbs.3c3t.comÔ :â3iî̲
只查到了这些适用的条件，与之相反的，就是它不适用的吧，呵呵öK§ xy_În#bbs.3c3t.comÔ :â3iî̲