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Guide for the Use of Shrinkage-Compensating Concrete 补偿收缩混凝土的使用指南
补偿收缩混凝土广泛应用于各种类型的建筑中,以消除或减少因干燥收缩引起的裂缝。尽管其特性在大多数方面与波特兰水泥混凝土相似,但材料、配比选择、浇筑和养护必须确保获得足够的膨胀,以补偿随后的干燥收缩。本推荐规程规定了必要的标准和实践,以确保在所需时间和数量内进行膨胀。 除了讨论基本原则外,还介绍了结构设计、混凝土配合比、浇筑、饰面和养护的方法和细节。还附上了膨胀水泥和混凝土的主要参考书目。
Shrinkage-compensating concrete is used extensively in various types of construction to eliminate or minimize cracking caused by drying shrinkage. Although its characteristics are in most respects similar to those of portland cement concrete, the materials, selecting of proportions, placement, and curing must be such that sufficient expansion is obtained to compensate for subsequent drying shrinkage. This recommended practice sets forth the criteria and practices necessary to insure that expansion occurs at the time and in the amount required. In addition to a discussion of the basic principles, methods and details are given covering structural design, concrete mix proportioning, placement, finishing, and curing. A bibliography of the major references covering expansive cements and concretes is also appended.
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发布单位或类别: 美国-美国混凝土学会
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