N ultimate load design with material factors based on characteristic soil properties partial load factors consistent with as 1170 1 and structure designs to.
Stone masonry retaining wall design example pdf.
5 9 examples 6 design for wind loading 6 1 introduction 6 2 overall stability 6 3 theoretical methods for wind load analysis 6 4 load distribution between unsymmetrically arranged shear walls 7 lateral load analysis of masonry panels 7 1 general 7 2 analysis of panels with precompression 7 3 approximate theory for lateral load analysis of walls.
They depend mostly on their own weight and any soil resting on the wall for stability.
A gravity retaining walls are constructed of plain concrete or stone masonry.
The stone masonry section should always be designed to take compression and not the tensile stresses.
Retaining wall by using some reinforcement.
The construction work of stone masonry should be raised uniformly.
See example 12 1 in textbook page 665.
Hence this attempt to condense simplify and compile information from many sources including my own experience into this book.
The masonry work should be properly cured after the completion of work for a period of 2 to 3 weeks.
Example 12 2 see example 12 2 in textbook page 669.
Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider.
6 2 3 design procedure of retaining wall figure 6 2 3 shows the design procedure of retaining wall works.
Types of retaining walls gravity wall depends entirely on its own weight to provide necessary stability usually constructed of plain concrete or stone masonry plain concrete gravity wall height 3 m in designing this wall must keep the thrust line within the middle third of the base width no tensile stress to be developed.
The following sections will give brief descriptions of design procedures for retaining walls.
The plumb bob should be used to check the verticality of erected wall.
Structural design of cantilever retaining wall is depend on separating each part of wall and design it as a cantilever so it s called cantilever r w.
Design for earth loads retaining walls which set out a design methodology and safe load tables for these structures.
There are two phases in the design of a conventional retaining wall.
They depend for stability on their own weight and any soil.
1 selection of types of structures as shown in table 6 2 1 before there are many types of structures for retaining walls and the.
Cantilever retaining wall reinforced concrete wall with small dimensions and it is the most economical type and the most common note.
Of australia cmaa published masonry walling guide no 4.
B semi gravity retaining walls are modification of gravity wall in which small amounts of.
Despite the many references a single volume on retaining wall design for the professional practitioner and civil engineering student could not be found.
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.