The study on effective utilization of the construction waste sludge to road material by lime stabilization in cold region

寒冷地区石灰稳定化建筑垃圾污泥有效利用为路材的研究

• 批准号: 13660249
• 负责人: KAMIYA Mitsuhiko
• 金额: $ 2.3万
• 依托单位: Hokkaido Institute of Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2001
• 资助国家: 日本
• 起止时间: 2001 至 2003
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-13660249/
• 关键词: Construction Waste Sludge; Lime Stabilization; Curing Method; Unconfined Compressive Strength; Modulos of Deformation; Water content; Frost Heave Rate; pF; 凍上; 団粒化; コンシステンシー限界; 一軸圧縮強度

The construction waste sludge is one of the waste material in which the proportion of the effective utilization is low even in the inside of waste disposal at construction. Though various application methods are proposed, by that there are small volumes of utilization or expensiveness, it is present state to remain the lower utilization such as embankment materials.In order to utilize as added value material such as the frost blanket of the road, we investigated the characteristics of lime stabilization.Generally used lime stabilization is the method which improves curing by compacting after addition of lime immediately (called the following compaction curing). However, we used the method for compacting in as it is leave and after any days progress, after the lime was mixed (leave curing ). By this method, since to stock the stabilized soil is possible, the processing becomes possible by the stationary type plant, and it is expected that the effective utilization of the construction wa … More ste sludge.Then, in carrying out unconfined compression test and frost heave test of the stabilized soil which changed the curing method, we obtained following result.1) The unconfined compressive strength increases in proportion to the curing days, and increasing proportion in case of addition of lime rate 7% and 7 leave curing days is the most remarkable.2) In the relation between unconfined compressive strength and leave curing days, the difference between the unconfined compressive strength is not observed, when the curing days is short. But as a long of the leave curing days, with the peak 7 leave days seventh change unconfined compressive strength. In the 90th curing, the lowering of the unconfined compressive strength is remarkable.3) The modulos of deformation increases in proportion to the curing days. In the relationship between unconfined compressive strength and modulos of deformation, modulos of deformation is bigger as initial water content is increase, but it is no relation with the leave curing days.4) The frost-heaving quantity decreases with increase of the addition of lime rate and extension of the curing days. The leave curing remarkably appeared on this effect from the compaction curing. This is because it is remarkable the decrease of the capillary force of the leave curing. Less

建筑垃圾污泥是建筑垃圾中有效利用率低的废弃物之一，即使在建筑垃圾处理内部也是如此。针对路基材料等利用率较低的现状，研究了石灰稳定化的特性，并对石灰稳定的特性进行了研究。一般采用的石灰稳定方法是通过添加石灰后立即压实的方法(称为后续压实养护)来改善养护。然而，我们使用的方法是压实，因为它是离开，并在任何一天的进展，在石灰混合(离开养护)。通过这种方法，由于可以储存稳定土，所以可以由固定式工厂进行处理，并且期望建筑WAW…的有效利用然后，通过对改变养护方式的稳定土进行无侧限抗压试验和冻胀试验，得到以下结果：1)稳定土的无侧限抗压强度随养护天数的增加成正比增加，其中以7%的石灰率和7个养护天数的增加比例最为显著；2)在养护天数较短的情况下，无侧限抗压强度与养护天数的关系不存在差异。但随着养护天数的延长，高峰期为7天，第七天出现无侧限抗压强度的变化。在养护第90天，混凝土的无侧限抗压强度显著降低。3)变形模数随养护天数的增加而增加。在无侧限抗压强度与变形模数的关系中，变形模数随初始含水率的增加而增大，但与养护天数无关。4)冻胀量随石灰掺量的增加和养护天数的延长而减小。从压实养护的角度来看，叶片养护对这一效应表现得尤为明显。这是因为它显著降低了烟叶腌制时的毛细管力。较少

项目成果

峡下仁美, 神谷光彦, 川端伸一郎, 土岐祥介: "石灰安定処理土の混合養生による団粒化と強度特性"技術報告集. No.43. 109-112 (2003)

Hitomi Kyoshita、Mitsuhiko Kamiya、Shinichiro Kawabata、Shosuke Toki：“混合固化石灰稳定土的团聚和强度特性”技术报告集第 109-112 号（2003 年）。

Aggregation and Strength Characteristic by Uncompacted Curing of Lime Stabilized Soil

石灰稳定土免压实养护的团聚及强度特性

• 发表时间: 2003
• 期刊: Proceedings of the Technical Report of the Japanese Geotechnical Society Hokkaido Branch No43
• 作者: KYOSHITA Hitomi;KAMIYA Mitsuhiko;KAWABATA Shinitiro;TOKI Shosuke
• 通讯作者: TOKI Shosuke

北海道の粗粒火山灰土の分類法に関する試案

北海道粗粒火山灰分级方法草案

• 发表时间: 2001
• 期刊: 土と基礎 49-8
• 作者: 池田晃一;神谷光彦;佐藤厚子;斉藤和夫;川端伸一郎
• 通讯作者: 川端伸一郎

Relation between Various Soil Index and Frost-susceptibility of Volcanic Soils in Hokkaido

北海道火山土各种土壤指数与霜冻敏感性的关系

• 发表时间: 2002
• 期刊: Proceedings of the Symposium on Evaluation Method of Engineering Property of Volcanic Ground
• 作者: KAWABATA Shinitiro;IKEDA Koichi;KAMIYA Mitsuhiko;TOKI Shosuke
• 通讯作者: TOKI Shosuke

川端伸一郎, 神谷光彦, 土岐祥介: "北海道火山灰土の凍上性簡易判定法について"第35回地盤工学研究発表会発表講演集. No.1. 909-910 (2001)

Shinichiro Kawabata、Mitsuhiko Kamiya、Shosuke Toki：“测定北海道火山灰土冻胀特性的简单方法”第 35 届岩土工程研究会议论文集第 1. 909-910 号（2001 年）。