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Cold Weather Construction Materials Part 2
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Book Synopsis Cold Weather Construction Materials by : Billy J. Houston
Download or read book Cold Weather Construction Materials written by Billy J. Houston and published by . This book was released on 1981 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cold Weather Construction Materials by : Billy J. Houston
Download or read book Cold Weather Construction Materials written by Billy J. Houston and published by . This book was released on 1975 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cold Weather Construction Materials. Part 2. Regulated-Set Cement for Cold Weather Concreting. Field Validation of Laboratory Results by : Billy J. Houston
Download or read book Cold Weather Construction Materials. Part 2. Regulated-Set Cement for Cold Weather Concreting. Field Validation of Laboratory Results written by Billy J. Houston and published by . This book was released on 1981 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The U.S. Army carries on construction projects in localities such as Alaska, the northern tier of the United States, northern Europe, and the Arctic where the concrete placing system is shortened by the cold climate. At ambient temperatures below 50 F, concreting operations become more expensive since Corps of Engineers specifications require freshly mixed and placed concrete to be protected from low ambient temperatures. The overall military construction and maintenance in cold regions program was initiated to locate and evaluate existing and new cementing materials that would allow concrete to be placed at ambient temperatures as low as 15 F.A relatively newly developed cement called 'regulated-set' cement, which is a fast setting, rapid strength gain cement, appeared to have promise and was selected for a detailed study. (Author).
Book Synopsis Design Manual, Cold Regions Engineering by : United States. Naval Facilities Engineering Command
Download or read book Design Manual, Cold Regions Engineering written by United States. Naval Facilities Engineering Command and published by . This book was released on 1975 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Technical Abstract Bulletin written by and published by . This book was released on 1978 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 892 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Construction Materials by : Martin Preene
Download or read book Construction Materials written by Martin Preene and published by CRC Press. This book was released on 2001-08-30 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thoroughly revised and updated, the third edition of this popular textbook continues to provide a comprehensive coverage of the main construction materials for undergraduate students of civil engineering and construction related courses. It creates an understanding of materials and how they perform through a knowledge of their chemical and physical
Book Synopsis CRREL Technical Publications, 1950-1975 by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book CRREL Technical Publications, 1950-1975 written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1992 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cold Regions Engineering by : United States. Naval Facilities Engineering Command
Download or read book Cold Regions Engineering written by United States. Naval Facilities Engineering Command and published by . This book was released on 1967 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Government Reports Index written by and published by . This book was released on 1975 with total page 906 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reclamation Record written by and published by . This book was released on 1922 with total page 738 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Reclamation Era written by and published by . This book was released on 1923 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis USA CRREL Benchnotes by : Cold Regions Research and Engineering Laboratory (U.S.)
Download or read book USA CRREL Benchnotes written by Cold Regions Research and Engineering Laboratory (U.S.) and published by . This book was released on 1983 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government reports annual index by :
Download or read book Government reports annual index written by and published by . This book was released on 199? with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis U.S. Government Research & Development Reports by :
Download or read book U.S. Government Research & Development Reports written by and published by . This book was released on 1967 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book CRREL Benchnotes written by and published by . This book was released on 1983 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cold Weather Construction Materials, Part 2 by : B. J. Houston
Download or read book Cold Weather Construction Materials, Part 2 written by B. J. Houston and published by . This book was released on 1982 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Army carries on construction projects in localities where the concrete placing season is shortened considerably by the cold climate. This study evaluates regulated-test cement, which is a fast setting, rapid strength gain cement, that appeared to have great promise and would allow concrete to be placed at ambient temperatures as low as 15 F. Both mortars and concretes made with regulated-set cement were studied in the laboratory with favorable results, so the laboratory results were validated with field testing. Two 12-ft by 12-ft by 8-in. test slabs were cast in January 1975 when the mean ambient temperature was approximately 15 F. The only differences in the two slabs were the concrete mixture temperature and air entrainment. The slabs received no special protection from the ambient temperatures. Neither slab obtained any appreciable compressive strength at 1 day but slab 1 had approximately 1200 and 2000 psi at 7 and 28 days, respectively, while slab 2 had 2200 and 3300 psi, respectively. The concrete in both slabs was wetter than intended. Since there was no strength gain at day 1, whereas there had been in laboratory tests of approximately the same concrete mixture but with an earlier shipment of regulated-set cement, a sample of cement from the field test was brought to the laboratory for comparison with the cement used in the laboratory tests. Chemical and physical tests indicated that there was a difference in chemical composition; the laboratory shipment had a higher sulfate content. This difference points out the need for a responsive purchase specification, which is presently not available. Keywords: Cold regions; Regulated set concrete.