It is to make beautiful concrete structure (product) with high intensity.

1. 1, Liquefaction will raise concrete density,
2. 2, Unnecessary mixing air will be removed,
3. 3, Aggregate was distributed equally.

1. 1, Use the vibrator of the head same at least as the largest size of the aggregate.
2. 2, The effective range can be considered to be 10 or less times of a vibrator head diameter (that is move the vibrator of diameter 50 mm diameters within 500mm range or less).
3. 3, Apply vibrators at least 18 seconds per spot.
4. 4, 10 - 20 seconds of initial vibration are the most effective in vibration time, and the rate of vibration transfer is fixed even more vibration is applied at the same place.

Pitch vibration part diameter, concrete consolidation range

	Frequency (Hz)	Head Size (mm)	Placing Range (Diameter/mm)	Capacity (m3/hr)
HBM30ZX	200 / 240	31	350	12
HBM40ZX		43	450	18
HBM50ZX		52	600	24
HBM60ZX		61	700	30

* Conditions of the above table: (Either in civil engineering works or construction, construction slumps also differ. With plain concrete, it shall consider as slump 8cm, and the concrete placement domain by substitution of vibrator shall not overlap)

1. 1, Vibrator is inserted less than for every effective range.
2. 2, A decrease of the concrete volume stops.
3. 3, Paste comes up to a surface on the average.
4. 4, It will be compaction completion if it seems that the right face was tinged with light.
5. 5, It draws out slowly so that a hole may not remain.
6. 6, Please take care also about the following three points

()Dip up a portion with many gravels, put it into a soft place, and fully apply vibrator.
()Put soft concrete to a place with many types of gravel.


If insert vibrator 10 cm in lower concrete and re-vibrates the vibrator at a narrow interval when concrete is driven into the upper part and lower concrete is beginning to become hard a little, a very good result will be obtained.


In placing concrete mix to a slope and cone slope, surely begin an injection from a lower part, and it is begun giving vibration from the bottom.

1. 1, Do not let a vibrator run long outside concrete, it will overheat
2. 2, Do force or push a vibrator into concrete, it will not remain vertical and may get caught in the reinforcement
3. 3, Please have spare vibrator.