Systems, apparatus and methods for testing and predicting the performance of concrete mixtures
First Claim
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1. An apparatus comprising:
- a first cylindrical wall having a first radius, the first cylindrical wall having an exterior surface;
a second cylindrical wall having a second radius greater than the first radius;
a first end portion having an interior surface, the first end portion being solid with no opening that passes therethrough; and
a second end portion, the second end portion being solid with no opening that passes therethrough;
wherein;
a first volume is defined by the first cylindrical wall, the first end portion and the second end portion, the first volume being adapted to hold a concrete test cylinder; and
a second volume is defined between the first and second cylindrical walls;
the apparatus further comprising;
a temperature sensor disposed on the interior surface of the first end portion, wherein the temperature sensor protrudes from the interior surface and does not penetrate the first end portion, the temperature sensor being adapted to;
penetrate an exposed surface of a concrete mixture in the concrete test cylinder; and
obtain a measurement of temperature of the concrete mixture; and
one or more heat flow sensors disposed on the exterior surface of the first cylindrical wall, in the second volume between the first and second walls, wherein each of the one or more heat flow sensors is separated from the concrete mixture disposed in the first volume by the first wall.
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Abstract
A mobile calorimeter includes a container comprising one or more walls defining a cavity. The container is adapted to hold a concrete mixture within the cavity. The mobile calorimeter also includes one or more heat flow sensors adapted to detect a heat flow generated by the concrete mixture. The heat flow sensors may include a thermoelectric device, a Peltier plate, or a macro fiber composite (MFC) sensor. The one or more heat flow sensors may be attached to the one or more walls, or may be embedded within the one or more walls. Data relating to a heat flow is obtained by the heat flow sensors, and is used to generate a prediction of a characteristic or performance of the concrete mixture.
166 Citations
5 Claims
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1. An apparatus comprising:
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a first cylindrical wall having a first radius, the first cylindrical wall having an exterior surface; a second cylindrical wall having a second radius greater than the first radius; a first end portion having an interior surface, the first end portion being solid with no opening that passes therethrough; and a second end portion, the second end portion being solid with no opening that passes therethrough; wherein; a first volume is defined by the first cylindrical wall, the first end portion and the second end portion, the first volume being adapted to hold a concrete test cylinder; and a second volume is defined between the first and second cylindrical walls; the apparatus further comprising; a temperature sensor disposed on the interior surface of the first end portion, wherein the temperature sensor protrudes from the interior surface and does not penetrate the first end portion, the temperature sensor being adapted to; penetrate an exposed surface of a concrete mixture in the concrete test cylinder; and obtain a measurement of temperature of the concrete mixture; and one or more heat flow sensors disposed on the exterior surface of the first cylindrical wall, in the second volume between the first and second walls, wherein each of the one or more heat flow sensors is separated from the concrete mixture disposed in the first volume by the first wall. - View Dependent Claims (2, 3, 4, 5)
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Specification