Xuzhou concrete secondary grouting material manufacturer

规格：

50kg/袋

强度：

c60

包装：

防潮牛皮纸袋

dd=, application technical specifications
Construction preparation
) Construction site quality management should have corresponding construction technical standards, sound quality management system, construction quality control and quality inspection system. Before grouting, there should be a construction organization design or construction technology plan, which should be reviewed and approved.
)
Before grouting construction, mixing machines, grouting equipment, templates and maintenance items should be prepared.
)
In addition to the relevant provisions of the current national standard "Code for Construction Quality Acceptance of Concrete Structure Engineering B, the formwork support should also comply with the following provisions
) During secondary grouting, the formwork and The horizontal distance around the equipment base should be controlled to about mm. The top elevation of the formwork should not be lower than the upper surface of the equipment base m
) When the concrete structure is renovated and reinforced, sufficient grouting holes and exhaust holes should be left in the formwork support. The diameter of the holes should not be less than mm, and the spacing should not exceed mm. The grouting holes and exhaust holes should be mm higher than the highest point of the holes.