&BPrestressed pipe grouting material
This product fully meets the requirements of the "Technical Specifications for Construction of Highway Bridges and Culverts" for high-performance grouting materials for prestressed channels.
1. Application areas
, grouting of prestressed pipes in beams
, grouting of equipment foundations, anchors and other components
, grouting of nuclear power plant shells
, loose concrete, Repair defects such as cracks and holes.
2. Performance indicators
Project
Performance indicators
Inspection and test method standards
Water-binder ratio (%)
~ .
"Cement Standards" Consistency water consumption, setting time, stability test method》(B)
Setting time
Initial setting
Final setting
Fluidity (℃)
Initial fluidity< br/> ~
Appendix C
Fluidity
~
Fluidity
~
Bleeding rate (%)
Free bleeding rate
Appendix C
Steel wire bleeding rate
Appendix C
Pressure bleeding rate (%)
.
(Vertical height of hole&.)
&.
Appendix C
.
(Vertical height of channel>.)
&.
Free expansion rate (%)
~
Appendix C
~
Fullness
Qualified
Appendix C
Compressive Strength
"Cement Mortar Strength Test Method (Method)" (B)< br/> Flexural strength
Corrosion effect on steel bars
No corrosion
"Concrete Admixture" (B)
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