Table 1

1 January 2000

Table 1. Compressive Strength and Variability for RCC Spillways - QA Control Cylinders1/ CW Continuous Weigh Plant; CV Continuous Volumetric Plant; BW Individual Batch Weigh Plant; P Pugmill Mixer; C Compulsory Mixer; D Drum Mixer2/ * Standard deviation and coefficient of variation for the indicated design strength and test age.3/ Cores tested two to three years after construction.

Structure	Batchplant Type 1	C+P Content	W/(C+P) Ratio	Compressive strength (lb/in2)		Standard deviation	Coefficient of variation
		Ib/yd3		28 day	90 day	1 year	ib/in2	%
Cold Springs	CW-P	292+0	0.52	5670*		7280 3/	540 2/	9.5 2
Ochoco	CV-P	434+0	0.50	4930*		6230	1335*	27*
			0.55	3936		3	733	19
			0.45	6265			543	9
Pueblo	BW-C	120+180	0.47	2230		4830*	430	9
Many farms	BW-C	141+280	0.37	5480	6635*	7020	566*	8.5

Post to:

Delicious

Digg

Facebook

StumbleUpon

Linked In

Twitter