In some cases a footing key is included to increase resistance to sliding.
Concrete retaining wall construction joint detail.
Excavation work for concrete block retaining walls.
Detail sheet of design section drwg.
These phases are explained briefly.
Cedar city automotive repair shop concrete retaining wall 820 north main street cedar city iron county ut photos from survey habs ut 139 e.
Ready mixed concrete association ref.
Approved date 1 8 revisions 2202016 i i b33 b128 as 12 q r stuv.
Chapters in the report focus on various types of structures and structural elements with unique characteristics.
Buildings bridges slabs on grade tunnel linings canal linings precast concrete pipe liquid retaining struc tures walls and mass concrete.
The base and the wall is typically discharged separately.
Reinforcing steel shall comply with astm a615 and shall have yield strength of 60 000 psi.
Ff wall 6 section thru expansion joint location mark bending diagrams bill of reinforcement number required 18 90 50 90 90 80 34 68 32 2 4 2 6.
Counterfort retaining walls have counterforts spaced at center to center distances of about 30 to 70 of the total wall height.
The minimum concrete compressive strength at 28 days shall be 3 500 psi and shall comply with aci 318.
Photo print drawing concrete retaining wall detail of expansion joint and weep hole view to east with scale.
Some designers recommend re ducing joint spacings by about 20 in walls with frequent openings such as doors and windows.
The main board construction for retaining walls is the horizontal joint between the footing and the wall shaft of the retaining wall.
Concrete block retaining wall construction consists of number of phases including excavation foundation soil preparation retaining wall base construction concrete block unit placement grouting and drainage system installation.
The hight shear force is applied at the horizontal construction joints located at the lower level.
Fairfax county typical retaining wall details concrete retaining walls general notes.
There is a special check to be done at the construction joints when larger retaining walls or structures having very high lateral loads are designed.
The friction of the concrete is the key factor that limits the movement.
Concrete retaining wall place 7w4 bars with 7w1 bars.
Gener a l l y closer joint spacings decrease the.
4 recommends a contraction joint spacing of 30 times the wall thickness or 20 feet for an 8 inch thick wall 30 8 240 inches 20 feet.