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Development of construction materials using sulfite-rich scrubber sludge and fly ash

机译：使用富含亚硫酸盐的洗涤器污泥和粉煤灰开发建筑材料

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摘要

Construction materials with characteristics suitable for a variety of applications have been developed using up to 95 percent of coal combustion by-products comprising of sulfite-rich scrubber sludge and fly ash. These materials can be produced as soil-like mixes that can be prepared at the power plant, transported to the deployment site and compacted using conventional road building equipment without a need for forms. These developed materials provide an early strength of 5.8-8.3 MPa after 7-14 d and are environmentally benign. For a cattle feeding pad application, which is the focus of this paper, the cost is estimated be about 25-30 percent of the cost of developing a conventional concrete feeding pad. Following mix development and establishment of quality assurance quality control protocols, a commercial cattle feeding pad has been designed and demonstrated using the developed mix.
机译：使用高达95％的煤燃烧副产物（包括富含亚硫酸盐的洗涤器污泥和粉煤灰）开发了具有适合各种应用特性的建筑材料。这些材料可以像土壤混合物一样生产，可以在发电厂中制备，运输到部署地点并使用常规筑路设备压实，而无需形式。这些开发的材料在7-14天后提供的早期强度为5.8-8.3 MPa，并且对环境无害。对于牛饲垫的应用（这是本文的重点），其成本估计约为开发常规混凝土饲垫的成本的25％至30％。在混合物开发和建立质量保证质量控制协议之后，已经设计并使用所开发的混合物演示了商用牛饲养垫。

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