发明名称 |
High early strength cement |
摘要 |
A high early strength cement composition is disclosed which is capable of providing sufficient compressive strength within 2 to 24 hours to enable one to use it in highway or airport runway patching. The cement also exhibits satisfactory ultimate strength, that is, strength after 28 or more days of curing. The high early strength cement comprises a mixture of portland cement, calcium aluminate, and calcium sulfate in certain specified proportions.
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申请公布号 |
US3997353(A) |
申请公布日期 |
1976.12.14 |
申请号 |
US19750603011 |
申请日期 |
1975.08.08 |
申请人 |
ALUMINUM COMPANY OF AMERICA |
发明人 |
CHERVENKA, JR., JAMES;HEILICH, RAYMOND P. |
分类号 |
C04B28/06;(IPC1-7):C04B7/02;C04B7/32;C04B11/00 |
主分类号 |
C04B28/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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