Download PDF by ACI: ACI 209.1R-05: Report on Factors Affecting Shrinkage and

By ACI

ISBN-10: 0870311875

ISBN-13: 9780870311871

This consultant describes the results of various variables on shrinkage and creep of hardened concrete, together with combination proportions, atmosphere, layout, and development. This record is aimed toward designers who desire to achieve additional information regarding components altering shrinkage and creep yet doesn't comprise info at the prediction of shrinkage and creep or structural layout matters linked to shrinkage and creep.

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Extra info for ACI 209.1R-05: Report on Factors Affecting Shrinkage and Creep of Hardened Concrete

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The southern hemisphere’s controller is responsible for intraorganism power sharing, recharging of the on-board battery pack, communication through four IrDA channels and controlling two active male connectors. 4 V with a max. charge capacity of 980 mAh (Jørgensen et al. 2004). To maintain a consistent power supply to the robotic modules in an organism, the ATRON module’s electrical skeleton enables the multiple modules to share or transfer their power with each other. This allows the robotic modules to recharge the neighboring module’s battery pack.

When looking at the given numbers (10–20 W) it is obvious that certain energy harvesting methods at the current state of art are not able to provide the necessary power. ) energy scavenging by integrating harvesting modules within the robot modules is even less promising because of the tighter size restrictions and the expected higher energy demand due to 3D actuation, when lifting other modules. Nonetheless, photo-voltaic cells are commonly being used for robot energy scavenging, in particular in space missions.

Fig. 4 Bio-Inspired Techniques 27 In biological systems, the efficiency of foraging behavior has been defined in terms of “energy” that is measured as the weight of animals before and after foraging to quantify the amount of energy spent and gained (Charnov 1976; Houston et al. 1988; Oster and Wilson 1979). In the context of swarm robotics, the terms such as, reward, income, benefit has been used by Labella et al. (2004), Lerman et al. (2006), Lui et al. (2006), Ulam and Balch (2004). D. work modeled a collective foraging scenario in which the food-items were randomly scattered in the arena.

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