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Products

Rock & Soil Anchors
Strand

Strand Anchor Technical Data

Strand Anchors Overview

Technical Data

CTS Rock and Soil Anchors and Tiebacks

meet the ASTM A-416 specifications for 0.6" diam. 7 wire strand
Ultimate Stress (fpu): 270 ksi (1862 N/mm²)
Weight per Strand: 0.74 lbs/lf (1.1 kg/m)

They are in Accordance with:

Recommendations for Prestressed Rock and Soil Anchors, Post-Tensioning Institute, Phoenix, AZ, Third Edition 1996
Ground Anchors and Anchored Systems, Geotechnical Engineering Circular No. 4, FHWA-IF-99-015, 1999

Anchor Sizes

The anchor sizes given are most common. Other capacity anchors on request

No. of Strands	Cross Sec. Area		Ultimate Load*		Max. Jacking Load		Max. Design Load
No. of Strands	(APS)		(fpu*APS)		(0.8fpuAPS)		(0.6fpuAPS)
	inch²	mm²	kips	kN	kips	kN	kips	kN
1	0.217	140	58.6	260.7	46.9	208.5	35.2	156.4
4	0.87	560	234.4	1042.7	187.5	834.2	140.6	625.6
7	1.52	980	410.1	1824.8	328.1	1459.8	246.1	1094.9
9	1.95	1260	527.3	2346.1	421.8	1876.9	316.4	1407.7
12	2.60	1680	703.1	3128.2	562.5	2502.5	421.8	1876.9
15	3.26	2100	878.9	3910.2	703.1	3128.2	527.3	2346.1
19	4.12	2660	1113.2	4952.9	890.6	3962.3	667.9	2971.8
30	6.51	4200	1757.7	7820.4	1406.2	6256.3	1054.6	4692.2
47	10.20	6580	2753.7	12252.0	2203.0	9801.6	1652.2	7351.2
60	13.02	8400	3515.4	15640.8	2812.3	12512.6	2109.2	9384.5

^* Or actual Guaranteed Ultimate Strength (GUTS) indicated by Mill Test Certificates provided with each shipment of CTS Anchors

Corrugated Sheathing

No. of	PVC		HDPE		Borehole Diam.
Strands	outer Diameter		outer Diameter		PVC		HDPE
	in	mm	in	mm	in	mm	in	mm
1-4	2.20	56	2.4	61	3.20	81	3.4	86
5	2.56	65	3.6	91	3.56	90	4.6	117
6-8	3.15	80	3.6	91	4.15	105	4.6	117
9-12	3.94	100	4.7	119	4.94	125	5.7	145
13-15	4.49	114	4.7	119	5.49	139	5.7	145
16-19	4.92	125	5.7	145	5.92	150	6.7	170
30	NA	NA	6.9	175			7.9	201
47	NA	NA	9.5	241			10.5	267
60	NA	NA	on req.	on req.

^�Con-Tech Systems Ltd., Delta B.C., Last Updated: October 07, 2000