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The Contractor's Guide to Quality Concrete Construction is written by and for those who order, form, place, consolidate, finish, and cure concrete. Designers also will find the practical approach of the Contractor's Guide valuable in developing their project specifications.
The purpose of the Contractor's Guide is to provide insight into proven construction practices which, when properly used, will produce quality concrete construction. It can be used as a training manual for contractor personnel as well as a basic reference manual for field and office.
Throughout this book are practical contractor tips that will be especially helpful in preparing for a project and as a guide during construction.
The Contractor's Guide to Quality Concrete Construction - Table of Contents:
Foreword
Organizing for Quality
Quality Control
Record Keeping
Specifications
Quality and Profit
The Construction Team
Recommended Reading
The Concrete Mix
Control Tests
Slump
Air Content
Compressive Strength
Unit Weight and Yield
Cement
Project Specification for Cement
Portland Cement Manufacture
Basic Types of Portland Cement
Other Cementitious Materials
Fly Ash
Microsilica (silica fume)
Granulated Slag
Mixing Water
Water-Cementitious Materials Ratio
Aggregates
Admixtures
Water Reducers
Retarders
Accelerators
Water-Reducing Retarders
Water-Reducing Accelerators
Air-Entraining Agents
Concrete Mix Design
The Right Mix for the Job
Free Moisture in the Aggregates (Mix #1A)
Water Reducer (Mix #2)
Fly Ash (Mix #3)
Adjusting for Air Entrainment
Water Addition at the Jobsite
The Concrete Specification
Sources for Concrete Specifications
Items to Confirm in the Specification
Strength
Early Strength Requirements
Flexural Strength
Minimum Cement Content
Water-Cementitious Material Ratio
Slump
Air Entrainment
Chemical Admixtures
Delivery Time for Ready-Mixed Concrete
Temperature of Concrete
Foundations
The Ground Below
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 Foundations
Groundwater Control
Footing Forms
Moisture Control
Backfilling
Formwork
Safety Precautions
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
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?
Reinforcement in Structures
Why Use Reinforcement?
Engineering and Placing Drawings
Types of Reinforcement
Bar Identification
Welded Wire Fabric
Other Types of Reinforced Concrete
Bar Fabrication
Fabrication Tolerances
Bundling and Tagging
Storing and Handling Bars on the Job
Concrete Cover
Tolerances in Placing Reinforcement
Placing of Reinforcement
Bar Supports and Spacers
Splicing and Splices
Coordination
Want to Know More?
Joints and Embedments in Structures
Types of Joints
Joints for Slabs
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
Anchors
Points to Remember
Recommended Reading
Joints and Reinforcement for Slabs on Ground
Column Changes
Contraction Joints (Control Joints)
Contraction Joint
Special Contraction Joint Placement
Construction Joints
Isolation Joints (Expansion Joints)
Warping Joints
Reinforcement in a Concrete Slab
Welded Wire Fabric
Dowels
Tie Bars
Fiber Reinforcement
Recommended Reading
Preparing for Concreting
Contractor/Ready-Mixed Concrete
Producer Cooperation
The Concrete Mix
Ordering Responsibility
Testing Program
Water Addition at the Jobsite
Pre-Placement Conference
Some Pre-Placement Conference
Agenda Items
Jobsite Preparation
A Checklist for Major Projects
Concrete Placement and Finishing
Depositing Concrete from the Ready-Mix Truck
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
Recommended Reading
Common Field Problems: Cause and Prevention
Fresh Concrete
Excessive Bleeding
Segregation
Hard-to-Finish Mixes
Setting Time and Early Strength Gain
Plastic Shrinkage Cracks
Hardened Concrete
Shrinkage Cracks
Isolation Joints
Crazing (hairline cracking, surface cracking)
Dusting Floors
Blistering
Slab Curling
Surface Scaling
Honeycombing
Sand Streaking
Surface Voids (Bugholes)
Reported Low Cylinder Strengths
Evaluating Cylinder Test Results
Curing
Checklist of Common Field Problems: Their Cause & Prevention
Safety
Most Accidents Are Not Accidents
The Need for a Company Safety Program
Concrete Construction
Recommended Reading
Conversion Factors - US Customary to SI (Metric)
The Contractor's Guide to Quality Concrete Construction
