Category: Structure & materials
Prepared by Eng. Ahmed Fathy, Projects Manager ·
Definition
A concrete pump moves ready-mix from the truck to the pour through pipes, either a truck-mounted boom pump that reaches upper floors and far points, or a line pump with a pipeline for long distances and tall buildings.
Why it matters on a project
It speeds pours, cuts labour and lets large slabs be cast without unplanned joints. Its size and position decide whether a pour finishes in its day.
Measurement and pricing
Per day or per pumped cubic metre with a minimum charge, often within the concrete rate if the item says so.
Common mistake
Booking a pump whose boom is shorter than needed, or setting it on uncompacted ground, so the pour stops or the pump tips.
Frequently asked questions
When do I need a pump instead of direct discharge?
When the truck cannot reach the pour, on upper floors, or for large pours that need speed.
Does pumping change the mix?
The mix is designed to be pumpable with suitable aggregate size and slump, and no water is added on site.
Related terms
- Concrete admixturesChemicals added to concrete to improve its properties.
- Construction jointWhere a pour stops and resumes within one concrete member.
- Lifting planA written plan to lift heavy loads safely with cranes.
- Slump testA simple site test measuring the consistency and workability of fresh concrete.
Read next
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