Now the usage of fly ash is urgent problem.Low activation of fly ash is the main reason that the usage of fly ash is limited.The thesis research the activation of fly ash and use it as grout.

• 粉煤灰的利用是目前迫切需要解决的问题，而粉煤灰的低活性是造成粉煤灰的利用受到限制的主要原因，本论文研究了粉煤灰的活化并把粉煤灰应用于注浆工程中。