What is sandstone?

Q: What is the difference between rubble and ashlar stone used for wall construction?

A: Rubble is broken stone and  naturally found rubble in the soil is known also as 'brash'  (1)…

Q: How much "steel per foot" is there in a slab with #4 bars (area=0.2 in2) spaced 8 inches on center?

A: Number 4 rebars, Ab= 0.2 in2 Spacing= 8 inches on center

Q: What appearance groups are established for the outer veneers of construction plywood?

A: Outer veneers used for construction purposes are classified into five groups based on their…

Q: List and briefly explain each of the three grades of brick

A: Grading of bricks is the process of grouping various types of bricks according to their strength and…

Q: Define the term wood sections?

A: Wood or timber:

Q: Where does the foundation walls cracks occurs?

A: The complete or incomplete layers of concrete that get separated are termed as cracks. These cracks…

Q: escribe the properties of faced block

A: Faced blocks are masonry units used in construction. An exposed or visible area of a building can…

Q: What is meant by the tensile bond strength of mortar?

A: Brief concept introduction- Mortar- It is a mixture of fine aggregate (sand), binding material…

Q: Why are control and expansion joints required in masonry walls?

A: Control joints- In masonry walls, these joints are vertical weak planes built intentionally or cut…

Q: What is Cement grouting?

A: The cement grouting can be defined as it is a soil stabilization or ground improvement method which…

Q: how are bricks made

A:

Q: Why don’t builders use gneiss to make roofingshingles?

A: Gneiss is a metamorphic rock with pronounced banding that can be seen in hand specimens or on a…

Masonry Units

Concrete masonry is among the most surplus building materials present since a wide range of aspects can be accomplished using Concrete Masonry Units (CMU) as they have more benefits than stone or brick masonry. CMU are manufactured in a variety of shapes, colors, sizes, and patterns for various functions and finishing. Due to their modular properties, different CMU can be mixed in the same wall for various textures, colors, and so on. For the formation of the concrete blocks, cement, aggregate, and water are required.