SGER: Bamboo for Soil Slope Reinforcement

古丁斯，黛博拉，匹兹堡马里兰大学CBET-0742154 SGER：竹子作为土壤坡面的加固材料竹子被认为是世界上生长最快的植物。相对最近，西方对在建筑材料选择中明智地利用自然资源的担忧，重新引起了人们对竹子作为一种未得到充分利用的、自我补充的建筑材料的关注。在这一点上，本研究的主要重点是利用竹子进行短期边坡加固，将竹子用于土钉。扩展到其他类型的土体加固应用的潜力仍然开放。在土体加固中，加筋上的应力低且不集中，收缩和膨胀对土体加固来说不是问题；事实上，含水率的增加甚至可能增加bambo8的抗拉强度。这些方面表明，竹子可能是一种很有前途的土壤加固材料。测试竹子的标准还不存在。这项工作将集中于探索基本问题，包括：-使用简单的满度试验测量竹子与土壤(沙子、粉土和粘土)之间的摩擦力。-测量竹子穿过剪切面时的土壤剪切阻力。-测量在这些试验中使用的竹子的抗压和抗拉强度。这项研究预计会产生各种更广泛的影响。首先，竹子加固的最终应用将是稳定临时的，否则不稳定的挖掘，或在紧急情况下，提供对控制或补救斜坡破坏至关重要的短期斜坡稳定。虽然这项研究可以应用于低技术的西方建筑条件，但在这一点上，它的主要应用预计将在发展中国家；联合国、(美国)国家工程院和世界银行指出，减灾是全球减贫议程的关键组成部分。其次，可持续性必须是工程学发展中的一个基本概念；这项研究将有助于了解竹子增加使用的潜力的具体情况，以及促进工程学内部根据可持续性重新评估建筑材料选择的运动。第三，研究团队中将包括一名本科生研究人员，这项技术在学生从本科生过渡到研究生学习过程中被发现是非常宝贵的。第四，有希望的成果可以通过三种传统途径传播：作为工程学杂志的技术说明；作为在适当会议上提交的论文，例如关于环境可持续性的论文；以及作为在全国工程师无国界年度会议上的介绍。第五，这项研究有可能付诸实践：如果结果支持该技术的可行性，就有机会通过马里兰大学的工程师无国界项目在该领域测试该技术。

Goodings, Deborah, PIUniversity of MarylandCBET-0742154SGER: Bamboo as a Soil Slope ReinforcementBamboo is reputed to be the fastest growing plant in the world. Relatively recent concerns in the West regarding wise use of natural resources in choices for building materials has rekindled attention to bamboo as an underutilized, self-replenishing building material. The principal focus of this research, at this point, is on use of bamboo in short term slope stabilization, using the bamboo for soil nailing. Potential for extension to other types of soil reinforcement applications remains open. In soil reinforcement, stresses on the reinforcement are low and not concentrated, and shrinking and swelling is not a problem for soil reinforcement; in fact, an increase in water content may even increase the tensile strength in bamboo8. These aspects suggest that bamboo may be a promising candidate as a soil reinforcement material. Standards in testing bamboo do not exist. This work will focus on to exploring the basics, including:- measuring the friction between bamboo and soil (sand, silt, and clay) using simplepullout tests.- measuring the resistance to soil shearing when the shearing surface is crossed by bamboo.- measuring the compressive and tensile strengths of the bamboo used in these tests.Various broader impacts are expected from this research. First, the ultimate application for bamboo reinforcement will be to stabilize temporary, otherwise unstable excavations, or in emergency conditions, to provide when short term slope stabilization critical to control, or to remediate, slope failure. While this research could be applied to low tech Western building conditions, its primary application at this point, is expected to be in developing countries; the United Nations, the (US) National Academy of Engineering, and the World Bank note that disaster reduction is a critical component of the global poverty reduction agenda. Second, sustainability must be an underlying concept in engineering development; this research will contribute both to the specifics of understanding potential for increased uses of bamboo, as well as adding to the movement within engineering to reassess choice of building materials in light of sustainability. Third, an undergraduate researcher will be included in the research team, a technique found invaluable in transitioning students from undergraduate to graduate study. Fourth, promising results can be disseminated through three traditional avenues: as a technical note in an engineering journal; as a paper presented at an appropriate conference, on, for example, environmental sustainability; and as a presentation at the national, annual Engineers Without Borders conference. Fifth, this research has the potential to move into practice: opportunities to test the technique in the field exist through the Engineers Without Borders projects of the University of Maryland, if results support its viability.