12 open bottom bond beam block

While it is possible to simply set the wood line block on corner and tie off with tension alone, having an anchor post pin as shown is a little more elegant and saves the string from being subject to jumping off. While possible in theory to rely upon SBC for flexural strength in excess of standard mortar cinder block wall construction, it is rare to see an engineer pursue that opportunity for a client and scale back rebar reinforcement. Cleanout openings may be sealed by mortaring the original face shell or section of face shell, or by blocking the openings to allow grouting to the finish plane of the wall. Note that in Table 1, the maximum area of vertical reinforcement does not include the area at lap splices. Lay up control joints in mortar just as any other joint. Request Info. At this time the mold will then be vibrated for the time in which the head is compressed onto the fill.

Written approval is also required. Therefore, grouted masonry requires protection for longer periods than ungrouted masonry to allow the water to dissipate. Cleanouts must be located at the bottom of all cores containing dowels or vertical reinforcement and at a maximum of 32 in. Pilaster and column units are used to accommodate a wall- column or wall-pilaster interface, allowing space for vertical reinforcement and ties, if necessary, in the hollow center. Steel reinforcing bars and other embedded items are then placed in the designated locations and the cells are grouted. An important factor mentioned in both grouting procedures is consolidation. Specification for Masonry Structures ref.

Roofing felt or materials that break the bond between the masonry units and mortar should not be used for grout stops. The units may also need to be covered to protect them from rain and snow. Cleanout openings may be sealed by mortaring the original face shell or section of face shell, or by blocking the openings to allow grouting to the finish plane of the wall. Grout may also be used to stabilize screen walls and other landscape elements. Disclaimer: Although care has been taken to ensure the enclosed information is as accurate and complete as possible, NCMA does not assume responsibility for errors or omissions resulting from the use of this TEK.