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Help
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, withing 24 hours on weekdays.
Customer service
All questions about your order, return and delivery must be sent to our customer service team by e-mail at yourstore@yourdomain.com
Sale & Press
If you are interested in selling our products, need more information about our brand or wish to make a collaboration, please contact us at press@yourdomain.com
Information is presented on prestressed concrete. Benefication of aggregate by heavymedia separation, elastic fractionation and hydraulic jugging and benefication of sand through attrition are discussed. Currently a reexamination of the effect of maximum size aggregates is being made, and significant results to date are included. The use of waterreducing, setretarding admixtures is sometimes advantageous. Their application and use, together with precautions to be considered, are described. Thermosetting plastics, principally epoxy resins, have great versatility. Their application to bonding of concrete and their use in minor repairs are presented.Information is presented on the application of mortar lining and coating to steel pipe. Methods of test for pozzolan acceptance, evaluation tests for chemical admixtures, a test for lightweight particles in aggregate, and a relative humidity test for concrete masonry units are included for the first time as test designations. The section on concrete pipe manufacture and testing has been enlarged to reflect changes in specifications. A checklist of inspection items for field construction, which should be helpful to inspectors, is included.
⚠️ WARNING (California Proposition 65):
This product may contain chemicals known to the State of California to cause cancer,
birth defects, or other reproductive harm.
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⚠️ California Proposition 65 Warning: Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
