Underwater concreting is used for placing fresh concrete for offshore construction. It is used for sewerage, ducts, ports, bridges and marine works, in which concrete is to be placed underwater. …
Category:
Concrete
-
-
A waffle slab is a two-way joist slab system reinforced with concrete ribs constructed in the perpendicular direction of each other. These are laid in equal depth having a uniform …
-
Concrete scaling is the flaking or peeling of a hardened concrete surface. It is caused due to hydraulic pressures caused by the expansion of water from repeated freeze-thaw cycles within …
-
Cracks occur in the concrete over time despite good quality control. Cracks are one of the signs that indicate damaged or distressed structures. However, it is fortunate that not all …
-
Silica Fumes has been used as a mineral admixture to improve concrete properties since the 1950s. Commercial development of the material began in the 1970s with Elkem Microsilica® being a …
-
Damp walls, cracked ceilings, cavities, voids and unstable foundation soil all represent significant dangers to structural soundness. Injection systems can make a sustainable contribution to the regular maintenance and repair …
-
Ready Mixed Concrete is made with a mix of portland cement, water, and aggregates such as sand, gravel, or crushed stone. It is manufactured at a centrally located batching plant …
-
The supply and disposal of water take on a special importance. Potable water is largely extracted from groundwater resources, although sources like lakes, valley reservoirs, spring water and bank filtrates …
-
Concrete grinders use horizontally rotating discs to perform a multitude of tasks, from light texturing to open the pores of the surface to the removal of paints and thin coatings. …
-
Pervious concrete is a relatively new concept for rural road pavement, with increase into the problems in rural areas related to the low ground water level, agricultural problem. Pervious concrete …
