Civil · C-KEZGR

Direct Bearing Thrust Block

Materials

Concrete Reinforced Concrete Steel Timber / Wood Metal (misc.)

Elements

Anchors / Embeds Reinforcing

Connections

Embed Plate

About this detail

Direct bearing concrete thrust blocks are poured against undisturbed soil for pipe bends, tees, and fittings. Concrete must meet Class 2,000 minimum per APWA Section 03 30 04, with pipe joints left completely accessible and uncovered by concrete. All buried metal surfaces receive a poly-fm grease application and an 8 mil thick polyethylene sheet wrap with tape. Reinforcing steel tie down bars require a minimum stress yield strength of 70,000 psi and epoxy coating at least 15 mils thick. Backfill material is placed per APWA Section 33 05 20 and compacted to 95 percent modified proctor density in maximum 8 inch lifts.

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