| A concrete pump is used for transferring liquid | | | | boom. They are a revolutionary alternative to |
| concrete by pumping. They come in a variety of | | | | truck-mounted concrete pumps. |
| sizes, but are generally large, industrial machines used | | | | Truck-mounted concrete pumps are also available in a |
| on construction sites to pour concrete in difficult to | | | | wide range of sizes with boom lengths ranging from |
| access areas where concrete mixers can't reach, | | | | 21- 66 metres and concrete outputs of up to 185m3 |
| such as on the tops of buildings. They are designed | | | | hour at pressures of up to 80 bars. They have either |
| to feed concrete to these areas from a great | | | | a 3, 4 or 5 section placing boom with the option of 'z' |
| distance as quickly and effectively as possible. | | | | fold, 'roll' fold or 'multi-z' fold opening, making them |
| There are typically two types of pumps; a boom | | | | easy to manoeuvre and suited to all types of |
| concrete pump and a line pump. Boom pumps are | | | | concrete placing work, even where space is |
| large machines with a boom arm that holds the | | | | restricted. Telescopic booms can be added to |
| length of rubberized tubing through which the cement | | | | concrete pumps to reach the most isolated spaces. |
| flows to where required on the construction site. | | | | Most pumps on the larger concrete pump trucks are |
| Boom concrete pumps can pump concrete at a | | | | operated by the truck's engine in a power-takeoff |
| vertical reach of up to 65 meters and a horizontal | | | | (PTO) configuration. Some pumps, however, |
| reach of around 300 meters. The length of the boom | | | | especially on smaller concrete pump trucks, are |
| determines how far away the truck will be placed | | | | powered with their own engine. Diesel engines are |
| from where the concrete is to be pumped. This | | | | used for this type of heavy-duty work because of |
| makes them particularly useful for pouring concrete in | | | | their economical, yet powerful mechanical dynamics. |
| multi-storey buildings and other high-rise construction | | | | Concrete line pumps are used for smaller construction |
| jobs. | | | | projects than boom pumps. They are versatile, |
| A trailer-mounted boom concrete pump uses an | | | | portable units used to pump not only structural |
| articulating arm, or placing boom to pour concrete | | | | concrete, but also grout, wet screeds, mortar, |
| exactly where it is required. The Chimera Trailer | | | | foamed concrete, and sludge. Line pumps typically |
| Boom Pump has a 14m 3-section fold boom, which, if | | | | use a ball-valve-type pumping system. They are used |
| additional pipeline is added, can pump concrete at a | | | | for structural concrete and shotcreting (concrete |
| vertical reach of 65m and a horizontal reach of 300m | | | | placed via a high pressure hose and compacted at |
| at rates of 46m3 per hour. These boom pumps offer | | | | the same time) where low-volume output is suitable. |
| a value for money alternative to traditional | | | | Some hydraulically driven models can pump structural |
| truck-mounted pumps, which are more costly to run | | | | concrete at outputs exceeding 137 m3 per hour. |
| and can encounter problems on jobs where there are | | | | Line pumps normally pump concrete at lower volumes |
| access or weight restrictions. Boom pumps are used | | | | than boom pumps and are used for smaller volume |
| on most of the larger construction projects, as they | | | | concrete placing projects such as swimming pools, |
| are capable of pumping at very high volumes and | | | | sidewalks, and single family home concrete slabs and |
| because of the labour saving nature of the placing | | | | ground slabs. |