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原文传递 Earthworks Manual - Specific technical developments - 2A - Materials

题名：	Earthworks Manual - Specific technical developments - 2A - Materials
责任者：	Author(s): Comité technique / Technical Committee / Comité Técnico D.4 Terrassements et routes non revêtues / Earthworks and Unpaved Roads / Obras de tierra y caminos no pavimentados Domain(s): Road Earthworks Type: 2A - Materials PIARC Ref.: 2021R02AEN
学科分类：	暂无分类
摘要：	2A - Materials The optimal utilisation of materials, locally available on the site, of a road project is today a priority, both from an economic objective and an environmental objective contributing to sustainable development. Consequently, the identification and knowledge of the resources that materials constitute, are fundamental and require in-depth and high-performance studies. The materials used in the construction of earth-structures of a road infrastructure come from various sources. We mainly distinguish: natural materials, soils or rocks, available locally on the road project site: cuttings or borrowings; or where applicable, when necessary, borrow pits or quarries (materials most often transformed by mechanical processing operations: screening, crushing, ...). marginal natural materials, when a methodology for using these materials may be appropriate for optimal use. possibly, alternative materials when available close to the project: industrial by-products, non-hazardous waste, etc… the use of which may be of significant environmental interest. The different types of materials that constitute resources for an economic infrastructure project are presented in 3 booklets that can be downloaded from this page: 2A.I Natural materials soils and rocks, 2A.II Case of marginal materials, 2A.III Alternative materials. MANUAL PARTS PREAMBLE PART 1 - General considerations PART 2 - Specific technical development 2A / Materials 2B / Treatment of materials 2C / Earthworks project 2D / Earthworks execution and controls 2E / Environmental aspects
出版机构：	世界道路协会（PIARC）
提交日期：	2021 Author(s): Comité technique / Technical Committee / Comité Técnico D.4 Terrassements et routes non revêtues / Earthworks and Unpaved Roads / Obras de tierra y caminos no pavimentados Domain(s): Road Earthworks Type: 2A - Materials PIARC Ref.: 2021R02AEN
报告类型：	科技报告
资源类型：	科技（咨询、行业）报告