LA Concrete Work has its own concrete pumping equipment and know how. We offer concrete pumping up to 400' LINE FEET .
Contact us to schedule a pump for your job and also ask for pricing.
We offer certified operators who have several years of experience and can assist you with fast service on your projects. Call now to schedule a pump and take advantage of our competitive rates.
Pumped concrete must be designed to that it can be easily conveyed by pressure through a rigid pipe of flexible hose for discharge directly into the desired area. Pozzocrete use can greatly improve concrete flow characteristics making it much easier to pump, while enhancing the quality of the concrete and controlling costs.
The designer must be aware of the need to improve the grade and maintain uniformity of the various materials used in the pumped mix in order to achieve greater homogeneity of the total mix. Three mix proportioning methods frequently used to produce pump able concrete are :
Maximum Density of Combined Materials
Maximum Density – Least Voids
Minimum Voids – Minimum Area
Mixes must be designed with several factors in mind:
1. Pumped concrete must be more fluid with enough fine material and water to fill internal voids.
2. Since the surface area and void content of fine material below 300 microns control the liquid under pressure, there must be a high quantity of fine material in a normal mix. Generally speaking, the finer the material, the greater the control.
3. Coarse aggregate grading should be continuous, and often the sand content must be increased by up to five percent at the expense of the coarser aggregate so as to balance the 500 micron fraction against the finer solids.
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