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振动器是使砼密实成型的主要机械,其振动效果直接影响砼质量。砼振捣越密实,则强度越大,抗渗、抗冻和耐久性能越好。因此,掌握砼振动密实的原理和振动器的性能,正确使用振动器,以提高其振动效果,乃是确保砼质量的重要措施之一。一、混凝土振动密实原理要使混凝土密实成型必须克服各种阻力,使拌合物在自重作用下具有象理想液体的流动性质。当拌合物受迫振动时,各组分材料颗粒将以不同振动加速度发生相对运动,
The vibrator is the main machine that compacts the concrete, and its vibration effect directly affects the quality of the crucible. The more dense the vibrator, the greater the strength, the better the impermeability, frost resistance and durability. Therefore, mastering the principle of vibration and compaction and the performance of the vibrator and using the vibrator correctly in order to improve its vibration effect are one of the important measures to ensure the quality of the crucible. First, the principle of concrete vibration compaction To make concrete compaction molding must overcome various resistance, so that the mixture under the action of its own weight as ideal liquid flow properties. When the mixture is forced to vibrate, the particles of each component will undergo relative motion with different vibration accelerations.