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Author: ACI Committee 522 Publisher: ISBN: 9780870313646 Category : Lightweight concrete Languages : en Pages : 38
Book Description
"This report provides technical information on pervious concrete's application, design methods, materials, properties, mixture proportioning, construction methods, testing, and inspection. The term 'pervious concrete' typically describes a near-zero-slump, open-graded material consisting of portland cement, coarse aggregate, little or no fine aggregate, admixtures, and water." [p. 1]
Author: ACI Committee 522 Publisher: ISBN: 9780870313646 Category : Lightweight concrete Languages : en Pages : 38
Book Description
"This report provides technical information on pervious concrete's application, design methods, materials, properties, mixture proportioning, construction methods, testing, and inspection. The term 'pervious concrete' typically describes a near-zero-slump, open-graded material consisting of portland cement, coarse aggregate, little or no fine aggregate, admixtures, and water." [p. 1]
Author: Publisher: ISBN: Category : Concrete Languages : en Pages : 230
Book Description
This study evaluated the impacts of construction on the air content and air-void system structure of Portland cement concrete pavements. The primary intent was to quantify the air content of fresh concrete before and after it has gone through the slipform paver. The air-void system parameters of hardened concrete were then assessed using cast and extracted core specimens. The results of the air content testing on fresh concrete and the concrete cylinder specimens cast in the field suggested that there is some loss of air as the concrete passes through the paver. Laboratory testing performed on cores extracted from the pavement did not provide any conclusive evidence that entrained air is lost during the slipform paving process. In fact, many of the extracted cores had measured air content values that were much higher than the specification requirement. If excessive, this could result in increased permeability and low-strength related issues. Although a rigorous statistical analysis was not performed, the results suggest that the air content testing on fresh concrete is not capturing the true air content of the concrete placed with a slipform paver. The fresh concrete air content is generally lower than the air content measured in the cores.
Author: Shiraz D. Tayabji Publisher: ASTM International ISBN: 0803128584 Category : Materials Languages : en Pages : 534
Book Description
As with the previous two symposia, the 32 papers from the June/July, 1999, Seattle symposium present advances in the nondestructive testing of pavements using conventional falling weight deflectometer techniques and other promising techniques such as ground penetrating radar, rolling weight deflecto
Author: United States. Congress. House. Committee on Ways and Means. Subcommittee on Oversight Publisher: ISBN: Category : Roads Languages : en Pages : 572
Author: ACI Committee 522
Author: ACI Committee 522
Author: 
Author: Paul D. Tennis
Author: United States. Bureau of Public Roads
Author: United States. Bureau of Public Roads
Author: United States. Public Roads Administration
Author: Shiraz D. Tayabji
Author: 
Author: United States. Congress. Senate. Committee on Appropriations
Author: United States. Congress. House. Committee on Ways and Means. Subcommittee on Oversight