(4) 每次灌浆厚度不宜超越100mm 。
( 7) 在灌浆施工过程中直至脱模前, 应避免浆料受到震动或者碰撞, 以免损坏未结硬的灌浆结构。
1. Basic treatment:cleaning the equipment foundation surface,to ensure that no dust,mud,gravel,oil,release agent and other debris,grouting equipment foundation surface was fully wetting,but not water on surface.
2. Determine grouting method:This product has high self performance,under normal circumstances,“self gravitation method grouting”can be completely rely on slurry weight self leveling can completely fill the space perfusion;if grouting area structure is relatively large,complex or special space is very small and grouting distance far away can be used“high funnel grouting method”or“pressure grouting method”,to ensure that the slurry can be fully filled in every corner.
3. Model:according to the determination of grouting method and grouting construction plans to support the template,template positioning elevation should be higher than the equipment base on the surface of at least 50mm,the template must be supported by tight,solid,to prevent the leakage of pulp.
4. The grouting material mixing:This product material and water ratio of 0.12 ~ 0.15:1,test selection according to the requirements of the construction site;by mechanical stirring, stirring time is generally 1 ~ 2 min,using artificial mixing should be to join the 2/3 of the water mixing for 2 min and subsequently in the add the remaining water mixing to uniform.
(1).Equipment foundation grouting,grouting slurry should not from all sides,poured into the side,until the other side of the overflow,facilitate discharge between the base and the concrete equipment of air,make full grouting material.
(2).After the start of the grouting must be carried out continuously,not interrupted,should be completed in shortest time.
(3).In the process of grain filling is not easy to vibration,can be used to pull the bamboo strip.
(4).The grouting thickness is less than 100mm.
(5).Longer equipment or track foundation grouting should be used in subsection construction,each length of 5m is appropriate.
(6).Bleeding phenomenon such as grouting process can use dry water dispenser.
(7).In the process of grouting construction until the release of the slurry,the slurry should be avoided to receive vibration or impact,so as not to damage the what the structure of grouting is not hard.
(8).The grouting off should betreated in tlme.
6.Maintenance:after grouting 30min should immediately sprayed curing agent or covering plastic film in order to maintain,or in the grouting layer after the end of the final set of water for moisture conservation;Curing time at different temperatures and the dismantling template time