Typical residential concrete block foundation wall detail
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A nut and washer shall be tightened on each anchor bolt. The bolts shall be located in the middle third of the width of the plate. Bolts shall extend a minimum of 7 inches (178 mm) into concrete or grouted cells of concrete masonry units. Wood sole plates at all exterior walls on monolithic slabs, wood sole plates of braced wall panels at building interiors on monolithic slabs and all wood sill plates shall be anchored to the foundation with minimum 1/ 2-inch-diameter (12.7 mm) anchor bolts spaced a maximum of 6 feet (1829 mm) on center or approved anchors or anchor straps spaced as required to provide equivalent anchorage to 1/ 2-inch-diameter (12.7 mm) anchor bolts.
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Anchorage of cold-formed steel framing and sill plates supporting cold-formed steel framing shall be in accordance with this section and Section R505.3.1 or R603.3.1. Cold-formed steel framing shall be anchored directly to the foundation or fastened to wood sill plates anchored to the foundation. Wood sill plates and wood walls supported directly on continuous foundations shall be anchored to the foundation in accordance with this section. Porches, carport slabs and steps exposed to the weather, and garage floor slabs MINIMUM SPECIFIED COMPRESSIVE STRENGTH a ( f' c)īasement walls, foundations and other concrete not exposed to the weatherīasement slabs and interior slabs on grade, except garage floor slabsīasement walls, foundation walls, exterior walls and other vertical concrete work exposed to the weather
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TABLE R402.2 MINIMUM SPECIFIED COMPRESSIVE STRENGTH OF CONCRETE TYPE OR LOCATION OF CONCRETE CONSTRUCTION Materials used to produce concrete and testing thereof shall comply with the applicable standards listed in Chapters 19 and 20 of ACI 318 or ACI 332. The maximum weight of fly ash, other pozzolans, silica fume, slag or blended cements that is included in concrete mixtures for garage floor slabs and for exterior porches, carport slabs and steps that will be exposed to deicing chemicals shall not exceed the percentages of the total weight of cementitious materials specified in Section 19.3.3.4 of ACI 318. Concrete subject to moderate or severe weathering as indicated in Table R301.2(1) shall be air entrained as specified in Table R402.2. Concrete shall have a minimum specified compressive strength of f ' c, as shown in Table R402.2.