36KJ Rapid Impact Compaction rammer hammer alignment ramming...
model:HC08
active depth:{shendu}
Hammer mass:800T
Impact energy:KJ
Lifting method:Single bar
Total height:m
Total work quality:t
pressureMpa
flow:L/min
Foot Dia(Tamper plate diameter):mm
Impacting Rate:30-80 times/min
Update time:
Number of views:356
36KJ Rapid Impact Compaction is currently used in the highway industry more of a model, followed by 42KJ Rapid Impact Compaction, rammer Rapid Impact Compaction model is represented as HC36\HC42, the specific technical parameters put in the following picture to introduce, more detailed technical parameters can be directly contacted by me for consultation, of course, special needs can also be customized.
In the specific actual subgrade platform backfill construction, the compaction energy generated by the 36KJ Rapid Impact Compaction has a very unavoidable correlation with the hammer radius, hammer weight and the compactness of the subgrade soil, but in the process of compaction of the same subgrade soil, it will lead to a change in the compaction of the soil, when the compactness of the subgrade soil reaches a certain degree, due to the high density, it will lead to the wave generated by the 36KJ Rapid Impact Compaction propagating in the soil is very difficult, and the compaction effect of the 36KJ Rapid Impact Compaction on the soil is not ideal at this time. In addition, due to the presence of shear waves during compaction, the soil will be sheared by shear waves, which has no beneficial effect on soil compaction, but will have a negative impact. The most influential place is the compaction point, where floating soil will appear on the surface of the soil. Therefore, in order to ensure the quality of subgrade compaction, it is necessary to finely control the distance between each compaction point, and minimize the influence of horizontal waves in the case of meeting the current subgrade soil compaction quality requirements, which is very difficult to control in actual construction, because in this process, the gear and number of compaction used in the working process of the 36KJ Rapid Impact Compaction will affect the effect.
36KJ Rapid Impact Compaction quality control
1) 36KJ Rapid Impact Compaction rammer hammer alignment ramming point can start the hammer, rammer hammer center displacement shall not be greater than 5cm.
2) Measure and compare respectively after compacting 15 hammers and 18 hammers. If the relative pressure difference is greater than 10mm, the number of compactions of the 3 hammers should be increased, and the relative pressure difference between the 36KJ Rapid Impact Compaction until the last 3 hammers and the first three hammers is not more than 10mm.
3) According to the above method, the 36KJ Rapid Impact Compaction reinforces and compacts once every 1.5m height.
4) According to the field test, the minimum distance between the outer edge of the Rapid Impact Compaction hammer and the bridge and culvert structure is determined. It is recommended that in the case of strong gear compaction, the minimum distance between the outer edge of the 36KJ Rapid Impact Compaction hammer from the bridge and culvert structure is not less than 30cm. Before the tamping operation, the thickness of the top fill of the structure is not less than 2.0m. When the surface of the filler is dry, it should be sprinkled with water in an appropriate amount to prevent the surface from dusting and affecting the compaction.
5) After the entire working surface is compacted, the impact virtual soil of about 20cm thickness on the surface of the subgrade must be mechanically scraped, and the light wheel roller must be flattened with a small plate.
6) 36KJ Rapid Impact Compaction wall back compaction reinforcement point along the hammer center distance of 1.5m uniform, the layout range longitudinal length for the retaining wall length, the horizontal filling range behind the wall is arranged in 1 row, the hammer edge as close as possible to the wall back.
7) When the 36KJ Rapid Impact Compaction is strongly rammed, it is necessary to ensure the falling height of the rammer hammer and ensure that the ramming can reach 36kJ.
8) After the 36KJ Rapid Impact Compaction is compacted, it shall not be turned over and soft bullets. Once found, it should be reworked or replaced immediately.
9) Strictly implement the construction control method summarized by the approved 36KJ high-speed hydraulic tamping machine test section, and refer to the obtained summary data for construction.
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