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首页> 外文期刊>Journal of Solid Waste Technology and Management >EXPANSIVE SOIL STABILIZATION WITH COMPOSTED OLIVE MILL SOLID BY-PRODUCT
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EXPANSIVE SOIL STABILIZATION WITH COMPOSTED OLIVE MILL SOLID BY-PRODUCT

机译：混合后的橄榄油厂固体副产品可提高土壤稳定性

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摘要

Wide areas of Jordan soils are expansive; this poses a threat to light weight structures necessitating expensive remedial measures. In Jordan, olive mills solid by-product is produced in large amounts annually and causes environmental problems. This work examines the effect of composted olive mill solid by-product (COMSB) on the swelling properties of two local expansive soils. The experimental work involved investigating the Atterberg limits, unconfined compres-sive strength, direct shear strength, standard Proctor density, and swell pressure of the two soils treated with the stabilizing material by 2% to 8% by weight. It was found that the COMSB decreased the plasticity index, dry density, and the unconfmed compressive strength. It was also found that the swell potential was reduced by up to 56% to 65% and the swell pressure was reduced by up to 55% to 72% with the upper range limits corresponding to Soil 2. Slow direct shear tests indicated that the stabilizing agent decreased the cohesion intercept while the angle of internal friction was increased by up to 45% to 67%. The findings of this study indicated that the COMSB is promising as a soil stabilizer and is a viable option of material utilization.
机译：约旦的大片土地膨胀。这对轻型结构构成了威胁，需要采取昂贵的补救措施。在约旦，橄榄工厂每年都会大量生产固体副产品，并造成环境问题。这项工作研究了堆肥式橄榄磨固体副产物（COMSB）对两种当地膨胀土壤膨胀特性的影响。实验工作涉及调查用稳定剂处理的两种土壤的阿特伯格极限，无侧限抗压强度，直接抗剪强度，标准Proctor密度和膨胀压力，按重量计2％至8％。发现COMSB降低了可塑性指数，干密度和无限制的抗压强度。还发现溶胀潜力降低了多达56％至65％，溶胀压力降低了多达55％至72％，上限范围对应于土壤2。缓慢的直接剪切试验表明，稳定作用剂减少了内聚力拦截力，而内部摩擦角增加了45％至67％。这项研究的结果表明，COMSB有望作为土壤稳定剂，并且是材料利用的可行选择。

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