The older stock dating from late 1800s and early 1900s consists of stone masonry walls.
Rubble masonry stone masonry retaining wall design example.
Retaining wall retains earth when level difference exists between two surfaces.
Random rubble masonry is the first variety of stone masonry.
See more ideas about masonry stone wall gabion wall.
The masonry design standard nzs 42302004.
Stone masonry the construction of stones bonded together with mortar is termed as stone masonry where the stones are available in an abundance in nature on cutting and dressing to the proper shape they provide an economical material for the construction of various building components such as walls.
Reinforcing bar basics and us metric conversions h.
Sample construction notes f.
Rubble wall rubble masonry rubble wall design jndautomotive com.
A gravity wall h 3m masonry or stone b cantilever wall h 3m and h 6m c counterfort wall h 8m d buttress wall transverse stem support provided on front side e e bridge abutment additional horizontal restraint from bridge deck a gravity wall h 3m masonry or stone.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
Summary of design equations with code references b.
Masonry design data d.
The offsets to be provided in rubble masonry construction have to be 75 mm 3 inches on either side.
Stone masonry retaining wall design example.
Retaining walls may be defined as a wall built to resist the pressure of liquid earth filling sand or other granular material filled behind it after it is built.
Development and lap lengths e.
Dry rubble masonry this type of masonry is used in the construction of retaining walls pitching earthen dams and canal slopes in the form of random rubble masonry without any mortar.
Depending upon the site conditions type of material to be.
Uniform system for classification of soils uscs c.
Originally these soil retaining structures were mostly commissioned and supervised by public works parks railway or highway administrations.
Notations and symbols j.
Stones are arranged at random in random rubble masonry.
Retaining walls types design stability.
Stone masonry types and uses and construction selection of stones what is stone masonry.
It is commonly required in the construction of hill roads masonry dams abutments and wings walls of bridges and so on.
The minimum thickness of random rubble work that can be constructed with great care is 225 mm 9 and with ease 300 mm 1 ft.
Sketches of the retaining wall forces should be considered to properly distinguish the different forces acting on our retaining wall as tackled in the previous article retaining wall.
These walls are generally made of masonry and concrete.
Masonry design and in all sorts of related topics.
The hallow spaces left around and stones should be tightly packed with smaller stone pieces as shown below.