match existing pavement thickness and aggregate type
Within columns, means (four replications per field) followed by the same uppercase letter are not significantly different between land-use systems for each aggregate type
, and within rows, means followed by the same lowercase letter are not significantly different between aggregate types
in the same system (l.
Earley, who was the Institute's first contractor president and served on the Architectural Concrete of the Exposed Aggregate Type
Committee during his 28 years of membership.
All sections were hot mix asphalt concrete pavements, with both similar mix design and aggregate type
used for their construction.
In all bunkers or sand traps, all original fine grained sand has been replaced with a new large grained angular aggregate type
to prevent washouts during heavy rain.
The influence of coarse aggregate type
on mechanical properties of fly ash additive self-compacting concrete, Construction and Building Materials 37: 533-540.
With appropriate selection of aggregate type
, it is possible to achieve structural lightweight concrete with strength ranging from only 15 MPa up to over 100 MPa.
The results indicate that span and sill-variance varied with aggregate type
and size, and the soil parameters.
Estimated Aggregate Use in the United States (Millions of Tons) Aggregate Type
2007 2008 2009 Sand and Gravel 1,380 1,170 921 Crushed Stone 1,820 1,610 1,290 Reclaimed Asphalt Pavement* 11 16 18 Recycled Concrete Aggregate* 11 17 14 Sum of Above 3,222 2,813 2,243 Sand and Gravel Imported into 5 6 3 United StateS Crushed Stone Imported into 21 23 13 United States Sum of Above 3,248 2,842 2,259 Source: USGS.
To determine the statistical significance of the effect of aggregate type
on the wheel load deformation test, a one-way analysis of variance (ANOVA) was performed on the test.
Some of the results of interest include the effect of water reducer type, curing method, and aggregate type
on long-term durability.
The evaluations included examining PCC and mortar specimens that have been subjected to various curing regimes (time, temperature, and moisture conditions), treated with chemicals such as potassium and magnesium, evaluated with respect to fine aggregate type
including reactive sands, and constituted using fly ash as a possible mitigating agent.