关于制定蒸压粉煤灰砖行业标准的建议

Suggestion on how to make standard for autoclaved flying ash bricks

本文简要介绍了蒸压粉煤灰砖的发展历程。根据粉煤灰在Ca(OH)2环境中、在不同条件下的水化反应机理以及工程应用实例,说明现行行业标准《粉煤灰砖》(JC239-91)对产品技术性能的指标过低,为产品的粗制滥造提供了条件,制约了高质量蒸压粉煤灰砖的发展,并建议制定专门的评价蒸压粉煤灰砖行业标准,以促进蒸压粉煤灰砖的开发和推广应用。

The developm ent history of autoclaved flying ash bricks w asbriefly introduced in the paper. The current industry standard of flying ashbricks (JC239-91) has restricted the developm ent of high quality autoclavedflying ash brick through the analysis ofhydration reaction of flying ash underCa (O H )2 environm ent and differentconditions. The author puthis suggestionon how to m ake national standard and push the developm ent and utilization ofautoclaved flying ash bricks.