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ASCC1-05
This guide provides insight into proven construction practices that will produce quality concrete constrution. Contents include how to organize for quality, concrete mix designs, foundations, formwork, reinforcement and embedments in structures, joints and reinforcement for slabs on grade, preparing for concreting, concrete placing and finishing common field problems, and safety. Contents:
Record Keeping Contract Documents Quality and Profit The Construction Team Recommended Reading
- Control Tests Sampling (ASTM 172) Slump (ASTM C 143) Air Content (ASTM C 231 and C 173) Compressive Strength Tests (ASTM C 31 and C 39) Density (Unit Weight) and Yield (ASTM C 138) -Cement Project Specifications for Cement Portland Cement Manufacture Basic Types of Portland Cement -Other Cementitious Materials Fly Ash Microsilica (Silica Fume) Granulated Slag -Mixing Water -Water-Cementitious Material Ratio -Aggregates -Admixtures Water Reducers High-Range Water Reducers Retarders Accelerators Water-Reducing Retarders Water-Reducing Accelerators Air-Entraining Agents Other Admixtures -Concrete Mix Design The Right Mix for the Job Free Moisture in the Aggregates (Table 2.5) Water Reducer (Table 2.4, Mix #2) Fly Ash (Table 2.4, Mix #3) Adjusting for Air Entrainment -Water Addition at the Jobsite -Set Time
-Specification Categories Prescriptive, Performance, Hybrid -Items to Confirm in the Specification Strength Early Strength Requirements Flexural Strength Water-Cementitious Material Ratio Minimum Cement Content Slump Air Entrainment Chemical Admixtures Delivery Time for Ready-Mixed Concrete Temperature of Concrete—Hot and Cold Weather Concreting Determining the Most Rigid Criteria of the Concrete Specification
-Bearing Capacity -Geotechnical Investigations -Compaction -Basic Foundation Types Wall Footings Independent Isolated Column Footings Combined Footings Cantilever or Strap Footings Pile or Pier Foundations Mat, Raft, or Floating Foundation -Groundwater Control -Footing Forms -Moisture Control -Backfilling
-Formwork Affects Concrete Quality -Types of Forms Job-Built Forms Prefabricated Forms Manufactured Forms Special Form Systems -Form Material and Hardware Form Liners -Design of Forms -Placing Concrete in the Forms Maintenance of Forms Form Release Agents Tolerances -Cost of Formwork -Form Removal Measuring Concrete Strength for Form Removal Time as a Measure of Strength for Form Removal -Shoring and Reshoring -Formwork for Slabs on Ground -Want to Know More?
-Engineering and Placing Drawings -Types of Reinforcement Bar Identification Welded Wire Reinforcement Other Types of Reinforced Concrete -Reinforcing Bar Fabrication Fabrication Tolerances Bundling and Tagging -Storing and Handling Reinforcing -Bars on the Job -Concrete Cover -Tolerances in Placing Steel Reinforcement -Placing of Reinforcement -Bar Supports and Spacers -Splicing Reinforcing Steel -Coordination -Want to Know More?
-Construction Joints for Supported -Beams and Slabs -Contraction Joints for Walls -Isolation Joints for Walls -Construction Joints in Walls Horizontal Construction Joints Vertical Construction Joints -Waterstops -Embedments—Conduits, Pipes, and Sleeves -Embedments—Anchor Bolts, Sleeves, -Metal Plates, and Channels -Anchors -Points to Remember
-Contraction (Control) Joints Contraction Joint Spacing Special Contraction Joint Placement -Construction Joints -Isolation Joints (Expansion Joints) -Warping Joints -Reinforcement in a Concrete Slab Welded Wire Reinforcement Dowels Tie Bars Fiber Reinforcement
-Producer Cooperation The Concrete Mix Ordering Responsibility Testing Program Water Addition at the Jobsite -Preconstruction Conference Some Preconstruction Conference Agenda Items -Jobsite Preparation -A Checklist for Major Projects
-Buggying Concrete -Belt Conveyors -Bucket Placement -Pumping Concrete -Pumping Lightweight Concrete -Consolidation during Placement Vibration Vibratory Screeds -Finishing a Slab-on-Ground Surface Finishes -Controlling Placement -Hot-Weather Placement -Cold-Weather Placement -Floor Surface Finish Tolerances -Curing to maintain proper moisture content -Recommended Reading
Fresh Concrete Excessive Bleeding Segregation and Poor Consolidation Hard-to-Finish Mixes Setting Time and Early Strength Gain Plastic Shrinkage Cracks -Hardened Concrete Shrinkage Cracks Isolation Joints Crazing (Hairline Cracking, Surface Checking) Dusting Floors Blistering Slab Curling Surface Scaling Honeycombing Sand Streaking Surface Voids (Bugholes) Reported Low Cylinder Strengths Evaluating Cylinder Test Results -References -Checklist of Common Field Problems; -Causes and Prevention
U.S. Customary to SI (Metric) |
ACI
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