ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4• GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4• GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL ENGINEERING CIRCULAR NO. 4 • GEOTECHNICAL G EOTECHNICAL E NGINEERING C IRCULAR N O . 4 OFFICE OF BRIDGE TECHNOLOGY 400 SEVENTH STREET, SW WASHINGTON, DC 20590 JUNE 1999 Publication No. FHWA-IF-99-015 G ROUND A NCHORS AND A NCHORED S YSTEMS abcd