{ "item_title" : "An Introduction to Sample Specification for Rock Bolts", "item_author" : [" J. Paul Guyer "], "item_description" : "This publication provides introductory technical guidance to specifications for rock reinforcement using rock bolts. Here is what is discussed: 1. GENERAL, 2. MATERIALS, 3. PLANNED INSTALLATION PATTERN FOR ROCK BOLTS, 4. TEST PROGRAM, 5. DRILLING HOLES, 6. INSTALLATION OF ROCK BOLTS, 7. INSTALLATION OF ROCK BOLT DEFORMETERS, 8. PORTLAND CEMENT GROUTING OF ROCK BOLTS AND DEFORMETERS, 9. CHAIN LINK FABRIC ROCK SUPPORT, 10. MEASUREMENT AND PAYMENT.", "item_img_path" : "https://covers1.booksamillion.com/covers/bam/1/71/799/242/1717992420_b.jpg", "price_data" : { "retail_price" : "47.95", "online_price" : "47.95", "our_price" : "47.95", "club_price" : "47.95", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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