Tiêu chuẩn quốc tế

Số hiệu

Standard Number

ASTM C40-99
Năm ban hành 1999

Publication date

Tình trạng W - Hết hiệu lực

Status

Tên tiếng Anh

Title in English

Standard Test Method for Organic Impurities in Fine Aggregates for Concrete
Chỉ số phân loại Quốc tế (ICS)

By field

91.100 - Vật liệu xây dựng
91.100.30 - Bêtông và sản phẩm bêtông
Số trang

Page

2
Giá:

Price

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Phạm vi áp dụng

Scope of standard

1.1 This test method covers procedures for an approximate determination of the presence of injurious organic impurities in fine aggregates that are to be used in hydraulic cement mortar or concrete. 1.2 Inch-pound units are to be regarded as standard. 1.3 This standard does not purport to address all of the safety problems, 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.