Forces on retaining walls 6.
Concrete retaining wall reinforcement detailing.
The stem may have constant thickness along the length or may be tapered based on economic and construction criteria.
Reinforced concrete cantilever retaining wall analysis and design aci 318 14 reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab.
Detailing lecture 9 16 th november 2017 reinforced concrete detailing to eurocode 2 ec2 section 8 detailing of reinforcement general rules bar spacing minimum bend diameter anchorage of reinforcement lapping of bars large bars bundled bars ec2 section 9 detailing of members and particular rules beams solid slabs flat slabs columns walls.
Reinforcement layout 1 had the main.
Most walls will have window or door openings or both.
O bars or dowels can be lapped above the footing in accordance with figure 9.
Creating a wall opening in a reinforced concrete wall creates extra stress around that opening especially at the corners.
Reinforcement for wall openings.
2 5 clear to strength steel 5 12 rather than the designed 5 10 bending strength of the section has been reduced by about 16.
Retaining wall design 10 editionth a design guide for earth retaining structures contents at a glance.
The base is divided into two parts the heel and toe.
F c 3000 psi fy 60 ksi natural soil development of structural design equations.
The construction of a concrete masonry retaining wall shall conform to the dimensions and reinforcing steel requirements shown in figure 5 and table 1.
Two equations are developed.
Strength reduced from 136 7 to 114 9 in kips.
Reinforced cement concrete retaining wall cantilever type maximum 6 0 meter height including column load in line.
In this example the structural design of the three retaining wall components is performed by hand.
Strength of reinforced concrete sections amount of rebar a s the project calls for 5 10 and 5 12 are used.
Soil mechanics simplified 4.
Concrete wall joints and corner details tehmightyengineer structural 22 apr 16 16 51 i don t like the corner detail lap the exterior rebar with the other exterior rebar keep the interior rebar as you show it but provide a bar diagonal or around the corner to stop cracking there.
Window and door headers also known as lintels can be subjected to significant bending moment and shear forces depending on several factors.
This thesis studies the impact of reinforcement detailing on the behaviour of a reinforced concrete structure.
Soil bearing and stability 8.
Building codes and retaining walls 5.
Design procedure overview 3.
Earthquake seismic design 7.