Retaining Wall Reinforcement Details

Wall types 1 2 7 and 8 may be used if no traffic barrier is attached on top of the wall.
Retaining wall reinforcement details. In this types of retaining wall the use of reinforcement to strengthen the soil has been known for centuries. Recommended stem designs for reinforced cantilever retaining walls with no surcharge are contained in tables 1 and 2 for allowable stress design and strength design respectively. Functions and parts of these retaining walls are discussed. Other topics include sheet pile walls tilt up retaining walls soldier pile walls gabion walls counterfort walls pilaster walls and walls with pile or pier foundations.
A review of basic soil. Types of reinforced concrete retaining walls are cantilever retaining walls and counterfort retaining walls. Based on our example in figure a 1 we have the forces due to soil pressure due to water and surcharge load to consider. 10 types of retaining wall with full details.
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 design methods are discussed in detail in allowable stress design of concrete masonry tek 14 7a and strength design of concrete masonry tek 14 4a refs. And stem of wall. For reasons of buildability the actual reinforcement details may well be slightly different.
Concrete strength al ൯ne for an 10 thick wall with 5 10 and 2 5 clear to strength steel will only reduce the nominal moment capacity of the secti對on from 136 68 to 135 66 inch kips 尩 if the concrete strength decreased from 3 5 to 3 0 ksi. Columns may be classiþed as short or slender braced or unbraced depending on various dimen. These types of retaining wall are built on the face of the wall and not within the backfill. Reinforcement details the sketch below shows the main reinforcement requirements for the retaining wall.
Really there isn t a perfect detail for concrete joints as no joint is ever perfect but i d like to see people pick these apart and see what other folks have. A copy of these retaining wall details is required to be on the job. I ve read through aci looked at old detail books and thought through previous details. Restrained basement walls gravity walls and segmental retaining walls both gravity and with geogrids.
A buttress wall is a form of counterfort walls. The use of wsdot standard plan reinforced concrete retaining walls and traffic barrier details for reinforced concrete retaining wallsshall be limited as follows. Retaining wall are generally used to retain earth or other material to maintain unequal levels on two faces. The minimum lap length shall be 15 inches for a 3 bar 20 inches for a.