What is a rubble wall?

What is a rubble wall?

rubble masonry, also called rubblework, the use of undressed, rough stone, generally in the construction of walls. Dry-stone random rubble walls, for which rough stones are piled up without mortar, are the most basic form.

How is rubble calculated masonry?

The stone required for the RR masonry is 1.25 times the total volume of the work. Suppose, if the volume of the RR masonry wall = 10 cu ft. The volume of the stone procured to build the wall = 1.25 × 10 cu ft.

What type of cement is used for stone walls?

Type N Mortar Mix It is also the preferred mortar mix for soft stone masonry. Type N is the mortar most often used by homeowners and is the best choice for general application. It typically achieves 28-day strength in the range of 750 pounds per square inch (psi).

What is type of rubble masonry?

1. Rubble Masonry. This is the stone masonry type where stones employed are either undressed or roughly dressed. These masonry constructions do not have a uniform thickness.

What is rubble construction?

Rubble is broken stone, of irregular size, shape and texture; undressed especially as a filling-in. Rubble naturally found in the soil is known also as ‘brash’ (compare cornbrash). Where present, it becomes more noticeable when the land is ploughed or worked.

What is the ratio of cement sand for stone wall?

Cementing. Make the mortar mix from one part cement and two parts sand. Do not use dehydrated lime as it discolors the stone.

What is Uncoursed rubble masonry?

Considered the cheapest and roughest type of stone masonry, random uncoursed rubble masonry is typically made up of stones pulled directly from the land with minimal efforts used to to prepare the corners of the stones before they are laid.

What is CR masonry?

Coursed Rubble Masonry is the form of masonry which is commonly adopted in the construction of residential buildings public buildings, piers and abutments for ordinary bridges. Considering the dressing and finishing of the stones, it is further sub-divided into first class, second class and third class masonry.