In the constructing of duct grouting for post-tensioning bonded prestressed concrete, the suitable cement paste is the most essential and important factor to guarantee grouting quality.
在后张有粘结预应力砼孔道灌浆的施工中，良好性能的水泥浆体是保证灌浆质量的最基本、最重要的因素。
2
In accordance with the characteristics of curved prestressed duct, the mixing ratio test of cement paste and quality assurance measurement of duct grouting construction are introduced.