FINAL EXAM-CMT

A pre-cast hollow building unit with cells composed of Portland Cement, a suitable aggregates, with or without inclusions of other materials

• CHB

• MORTAR

• CEMENT PASTE

• CONCRETE

the surface of a concrete hollow block exposed on either side of the wall, shall be flat and rectangular opposite faces shall be parallel and all adjacent sides shall be perpendicular

• FACE

• WEB

• CORE

• INNER SIDES

a part of concrete hollow blocks which connects the two  faces

• FACE

• WEB

• CORE

• INNER SIDES

These are blocks whose thickness ranges from 6 to 8 inches or more, a hollow blocks capable of carrying super imposed load aside from its own weights.

• LOAD BEARING

• NON-LOAD BEARING

• DECORATIVE BLOCKS

• BRICKS

These are blocks whose thickness ranges from 3 to 4 inches, a hollow blocks not capable of carrying super imposed load carrying their own weights only.

• LOAD BEARING

• NON-LOAD BEARING

• DECORATIVE BLOCKS

• BRICKS

Individual Strength Requirements for Load Bearing Concrete Masonry Units :

• 5.5 MPa

• 6.9 MPa

• 3.45 MPa

• 4.14 MPa

Average Strength Requirements for Load Bearing Concrete Masonry Units :

• 5.5 MPa

• 6.9 MPa

• 3.45 MPa

• 4.14 MPa

Individual Strength Requirements for Non-Load Bearing Concrete Masonry Units :

• 5.5 MPa

• 6.9 MPa

• 3.45 MPa

• 4.14 MPa

Average Strength Requirements for Non-Load Bearing Concrete Masonry Units :

• 5.5 MPa

• 6.9 MPa

• 3.45 MPa

• 4.14 MPa

Testing Requirements for CHB

• 1QT for every 10,000 units

• 1QT for every 20,000 units

• 1QT for every 15,000 units

• 2QT for every 15,000 units