Liaocheng prestressed pipe grout manufacturer

规格：

50kg/袋

强度：

c60

包装：

防潮牛皮纸袋

&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)
3. Construction method
, it must be mixed before use A trial mix of cement is carried out to determine the best mix. The recommended dosage of B is internal mix .% and water-cement ratio ..%.
, Stirring: A mechanical mixer with a speed of no less than /high speed should be used for stirring. The mixing sequence is: first add water to the corresponding scale, turn on the mixer, add the grouting agent evenly, and then evenly add the cement after all the powder is added. Stir for another minute to grout
Grouting: grout as soon as possible after stirring, and the usual grouting method should be adopted.
, Cleaning: Clean all construction tools and equipment with water.
,Protective measures: Wear protective gloves and goggles during construction.