Table Of Recommended Mixtures

1:1:1 Mixture for

The wearing course of two-course floors subject to heavy trucking, such as occurs in factories, warehouses, on loading platforms, etc.

1:1:1 1/2 Mixture for

The wearing course of two-course pavements, in which case the pebbles or crushed stone is graded from 1/4 to 1/2 inch.

1:2:3: Mixture for

Reinforced concrete roof slabs.

One-course concrete road, street, and alley pavements.

One-course walks and barnyard pavements.

One-course concrete floors.

Fence posts.

Sills and lintels without mortar surface.

Watering troughs and tanks.

Reinforced concrete columns.

Construction subjected to water pressure, such as reservoirs, swimming pools, storage tanks, cisterns, elevator pits, vats, etc.

1:2:4 Mixture for

Reinforced concrete walls, floors, beams, columns and other concrete members designed in combination with steel reinforcing. Concrete for the arch ring of arch bridges and culverts; foundations for large engines, causing heavy loading, some impact and vibration. Concrete work in general subject to vibration.

1:2 1/2 :4 Mixture for

Silo walls, grain bins, coal bins, elevators and similar structures. Building walls above foundation, when stucco finish will not be applied.

Walls of pits or basements, subject to consideable exposure to moisture, but practically no direct water pressure Manure pits, dipping- vats, hog wallows. Backing of concrete block. Base of two-course road, street and alley pavements.

1:2 1/2 :5 Mixture for small retaining walls. Basement walls and foundations for ordinary conditions where watertightness is not essential. Foundations for small engines.

Walls above ground which are to have stucco finish. Base of two-course sidewalks, feeding floors, barnyard pavements and two-course plain concrete floors. Abutments and wing walls of bridges and culverts, dams.

1:3:6 Mixture for

Mass concrete such as large gravity retaining walls, heavy foundations and footings.

1:1 1/2 Mixture for

Inside plastering of water tanks, silos, and bin walls, where required, and for facing walls below ground when necessary to afford additional protection against the entrance of moisture.

1:2 Mixture for

Scratch coat of exterior plaster (cement and stucco).

Facing block and similar concrete products.

Wearing course of two-course walks, floors subjected only to light loads, barnyard pavements, etc.

Ornamental objects where smooth surface, also water-tightness, is very necessary.

1:2 1/2 Mixture for

Intermediate and finish stucco coats.

Fence posts when coarse aggregate is not used. 1:3 Mixture for

Concrete block when coarse aggregate is not used.

Concrete brick.

Concrete drain tile and pipe when coarse aggregate is not used. Ornamental concrete products.