Cut Sheet
Table Of Contents
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 1
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 2
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 3
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 4
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 5
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 6
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 7
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 8
- LH Dottie Concrete Rod Hangersport No. 15C299 Revised 3-9-16 9
Concrete Rod Hanger ASTM E488 Testing Report Number 15C299
December 11, 2015 Revised March 9, 2016 Page 2 of 7
C E L CONSULTING
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determined to be AISI 10B21 steel. The hardness requirements were core hardness 450 HV
(Vickers Pyramid Number) maximum and surface hardness 680-750 HV. Hardness was found
to be in substantial compliance with these values. Case thickness was not determined. The
results of these tests are provided in Appendix 1.
3.2 Threaded Rod Inserts: All-thread rods meeting ASTM A193 B7 requirements were
installed in the threaded body of the concrete rod hangers to apply the test loads. High
strength steel was used to apply the maximum test load to the rod hangers.
4. FACILITIES AND TEST EQUIPMENT
4.1 General: All testing was performed at the CEL anchor testing laboratory in Oakland,
California. Test equipment was adequate to impose anticipated ultimate loads and complied
with Section 5 of ASTM E488. A hollow-core hydraulic cylinder, controlled by an electric
pump with metering valve, was used to apply load to the hangers by linkages of threaded rods
and steel fixtures. Loads were measured using an electronic load cell mounted under the
hydraulic cylinder and a PC-based data acquisition system.
4.2 Tension Testing: A hydraulic cylinder and electronic load cell with the ball and socket
fixture in between were mounted on a steel load bridge assembly positioned over the anchor.
Reaction loads were not imposed on the surface of the concrete within a distance of two times
embedment from the anchor axis as required. A round coupler was installed on the projecting
A193 B7 threaded rod insert installed in the concrete rod hanger body. A high strength
threaded pulling rod was inserted through the hydraulic cylinder and load cell and threaded
into the round coupler. A heavy nut and plate washer above the hydraulic cylinder were used
to transfer load to the pulling rod. Anchor movement relative to the surface of the concrete
test member during loading was measured using the LVDT positioned over the projecting end
of a 1:1 displacement balance. The other end of the displacement balance rested on the
flanged surface of the coupler.
4.2 Shear Testing: Loading plates with hardened inserts of the same thickness as the
threaded insert rod were used to apply the test loads. Anchors were installed into the sides of
test members with the loading plate placed over the threaded insert rod and connected to the
hydraulic cylinder and load bridge assembly in a similar configuration as the tension tests.
The LVDT was positioned to measure displacement of the test anchor relative to the concrete
surface in the direction of the applied load.
The load and displacement measuring devices were calibrated within one year in accordance
with CEL procedures using standards traceable to NIST.
Photographs of the test setups and typical failure modes are provided in Appendix 4.