TAILIEUCHUNG - Designation: C 191 – 99 - Time of Setting of Hydraulic Cement by Vicat Needle1

This standard is issued under the fixed designation C 191; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval. | Designation C 191 - 99 AMERICAN SOCIETY FOR TESTING AND MATERIALS 100 Barr Harbor Dr. West Conshohocken PA 19428 Reprinted from the Annual Book of ASTM Standards. Copyright ASTM American Association State Highway and Transportation Officials Standard AASHTO No. T131 Standard Test Method for Time of Setting of Hydraulic Cement by Vicat Needle1 This standard is issued under the fixed d ii r atic n c 19k the number immediately fc llc Wr ig the designation indicates the year of original adoption or in the case of revision the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript epsilon e indicates an editorial change since the last revision or reapproval. 1. Scope This method covers determination of the time of setting of hydraulic cement by means of the Vicat needle. Note 1 For the method lor detemiining Ime ol setting be tiilmoire needles see Test Method C 266. The values stated in SI units are to be regarded as the standard. Values in parentheses are for information only. This standard does not purport to address all of the safety concerns if any associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. See Note 2 for a specific warnhtg sst-ncment. Note 2 Warning Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. The use of gloves protective clothing and eye protection is recommended. Wash contact area with copious amounts of water after contact. Wash eyes for a minimum of 15 min. Avoid exposure of the body to clothing saturated with the liquid phase of the unhardened material. Remove contaminated clothing immediately after exposure. 2. Referenced Documents ASTM Standards C 187 Test Method for Normal Consistency of Hydraulic Cement2 C 266 Test Method for Time of Setting of Hydraulic-Cement

TỪ KHÓA LIÊN QUAN
TAILIEUCHUNG - Chia sẻ tài liệu không giới hạn
Địa chỉ : 444 Hoang Hoa Tham, Hanoi, Viet Nam
Website : tailieuchung.com
Email : tailieuchung20@gmail.com
Tailieuchung.com là thư viện tài liệu trực tuyến, nơi chia sẽ trao đổi hàng triệu tài liệu như luận văn đồ án, sách, giáo trình, đề thi.
Chúng tôi không chịu trách nhiệm liên quan đến các vấn đề bản quyền nội dung tài liệu được thành viên tự nguyện đăng tải lên, nếu phát hiện thấy tài liệu xấu hoặc tài liệu có bản quyền xin hãy email cho chúng tôi.
Đã phát hiện trình chặn quảng cáo AdBlock
Trang web này phụ thuộc vào doanh thu từ số lần hiển thị quảng cáo để tồn tại. Vui lòng tắt trình chặn quảng cáo của bạn hoặc tạm dừng tính năng chặn quảng cáo cho trang web này.