PROJECT HIGHLIGHT: NORTH CEDAR STREET SLIDE REPAIR
In 2011 a rock slide occurred along a cliff face east of N. Cedar St. behind the North Park Mall in North Little Rock, Arkansas. Due to the slide one house on N. Cedar St. was abandoned and torn down.
FSGC was tasked with installing 176 Micropile Pins vertically from the top and 173 Tieback Anchors horizontally in the cliff face. To retain the loose rock remaining on the face, over 10,000 SF of TECCO MESH high-tensile strength wire mesh was attached to the tieback anchors. The trench created when the hillside slid was filled with almost 700 cu-yd of cellular concrete.
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Project Details
OWNER: North Cedar St. Municipal Improvement District No. 32 of North Little Rock, AR
GEOTECHNICAL ENGINEER: Grubbs, Hoskyn, Barton & Wyatt
MPIN / ANCHOR DESIGN: Grubbs Hoskyn, Barton & Wyatt
TECCO MESH DESIGN: J. L. Burke Structural Engineering
PHASE I (UPPER) MICROPILE PINS:
- Drilling - Comacchio MC 800 remote tracked drill with 26' mast; 10,000 ft/lbs rotary head; Bulroc Hyper 81 DTH Hammer
- Micropile Pins - 176 Cased Micropile Pins
PHASE 2 (LOWER) ANCHORS / TECCO MESH:
- Drilling - TEI Rock Drills HEM / RDS 550 Rotary Head
- Tieback Anchors - 173 Grouted Achors; 10200 SF TECCO Mesh
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Foundation Specialties Geo-Structural Construction
881 Hatcher Rd, Springdale, AR 72764
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