Concrete

Reinforced concrete Prestressed concrete

Precast Concrete Concrete shell

// **Concrete** is a manufactured mixture of cement and water, with aggregates of sand and stones, which hardens rapidly by chemical combination to a stonelike, water-and-fire-resisting solid of great compressive but low tensile strength. //
 * Definitions**


 * // Reinforced concrete //**// was developed to add the tensile strength of steel to the compressive strength of mass concrete. The metal is embedded by being set as a mesh into the forms before pouring, and in the hardened material the two act uniformly. The combination is much more versatile than either product; it serves not only for constructing rigid frames but also for foundations, columns, walls, floors, and a limitless variety of coverings, and it does not require the addition of other structural materials. //


 * // Precast-concrete construction //**//, employs bricks, slabs, and supports made under optimal factory conditions to increase waterproofing and solidity, to decrease time and cost in erection, and to reduce expansion and contractions. //


 * // Prestressed concrete //**// provides bearing members into which reinforcement is set under tension to produce a live force to resist a particular load. //

**What is the difference between tiltwall construction, tilt-up panel construction and pre-cast concrete construction?**   Actually there is no difference between tiltwall construction and tilt-up panel construction because both of them are terms used to describe the same process. Tiltwall construction is the creation of walls by assembling forms and pouring large slabs of concrete called panels directly at the job site. One of its major benefits is that the size of the panel is only limited by the need of the building because it is work at the job site. But for the same reason one of the major problems is the weather conditions that limits the work.  On the other hand there are precast concrete constructions which are based on the creation of panels where concrete forms are poured indoors so this process addresses the challenges presented by the weather. But this has disadvantages too, for its condition it can’t be produce in a large scale such as the tilt-up constructions because of the transportation factor.  In conclusion, tilt-up or tiltwall construction and precast concrete are similar processes. The first one location is going to depend on the weather conditions and the second one is a good choice in circumstances where the weather precludes the tiltwall as a viable option.