JP4945523B2 - 造粒物から成る土木工事用軽量基礎材の製造方法 - Google Patents
造粒物から成る土木工事用軽量基礎材の製造方法 Download PDFInfo
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- JP4945523B2 JP4945523B2 JP2008190053A JP2008190053A JP4945523B2 JP 4945523 B2 JP4945523 B2 JP 4945523B2 JP 2008190053 A JP2008190053 A JP 2008190053A JP 2008190053 A JP2008190053 A JP 2008190053A JP 4945523 B2 JP4945523 B2 JP 4945523B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 37
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- 239000010802 sludge Substances 0.000 claims description 49
- 239000000203 mixture Substances 0.000 claims description 41
- 239000002994 raw material Substances 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 31
- 239000002440 industrial waste Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 239000004568 cement Substances 0.000 claims description 25
- 238000010276 construction Methods 0.000 claims description 24
- 239000004575 stone Substances 0.000 claims description 17
- 239000002738 chelating agent Substances 0.000 claims description 12
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Description
Claims (4)
- 建設現場や工場から産業廃棄物として排出される、生コンプラントスラッジ,コンクリート二次製品スラッジ及び建設汚泥のうち少なくとも1つを含む無機性汚泥を利用した再生下層路盤材や再生基礎砕石材や再生裏込材等の造粒物から成る土木工事用軽量基礎材の製造方法であって、含水率が40重量%以上の前記無機性汚泥から成る第一原料と、含水率が20%以下のペーパースラッジから成る第二原料とを混合することにより含水率を30〜40重量%に調節して第一混合物を得、この第一混合物にセメント系固化材及び混和剤を含む第三原料を添加して第二混合物を得、この第三原料添加時の前記第一混合物を前記第二混合物の総重量に対して60〜80重量%、前記第三原料としてセメント系固化材を15〜20重量%,混和剤を1重量%とし、前記第二混合物を造粒機で造粒して再生造粒物を得ることを特徴とする造粒物から成る土木工事用軽量基礎材の製造方法。
- 前記第三原料として前記セメント系固化材,前記混和剤及び砕石を含み、この砕石を前記第二混合物の総重量に対して10重量%含むことを特徴とする請求項1記載の造粒物から成る土木工事用軽量基礎材の製造方法。
- 前記第三原料として前記セメント系固化材,前記混和剤及びキレート剤を含み、このキレート剤を前記第二混合物の総重量に対して0.2重量%添加することを特徴とする請求項1,2のいずれか1項に記載の造粒物から成る土木工事用軽量基礎材の製造方法。
- 前記第二原料は、ペーパースラッジとすることを特徴とする請求項1〜3のいずれか1項に記載の造粒物から成る土木工事用軽量基礎材の製造方法。
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JP2008190053A JP4945523B2 (ja) | 2008-07-23 | 2008-07-23 | 造粒物から成る土木工事用軽量基礎材の製造方法 |
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JP2008190053A JP4945523B2 (ja) | 2008-07-23 | 2008-07-23 | 造粒物から成る土木工事用軽量基礎材の製造方法 |
Publications (2)
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JP2010024771A JP2010024771A (ja) | 2010-02-04 |
JP4945523B2 true JP4945523B2 (ja) | 2012-06-06 |
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JP2008190053A Active JP4945523B2 (ja) | 2008-07-23 | 2008-07-23 | 造粒物から成る土木工事用軽量基礎材の製造方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5289380B2 (ja) * | 2010-05-11 | 2013-09-11 | 新潟ガービッヂ 株式会社 | 造粒改良土の製造方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4466983B2 (ja) * | 2000-12-01 | 2010-05-26 | 株式会社神戸製鋼所 | シリカ含有泥土スラッジを用いたブロック製品並びにその製造方法 |
JP2003164895A (ja) * | 2001-12-03 | 2003-06-10 | Toraiteku Service:Kk | 汚泥の再生処理システム |
JP2003313855A (ja) * | 2002-04-26 | 2003-11-06 | Doro Kogyo Co Ltd | 泥土のリサイクル方法 |
JP2003340494A (ja) * | 2002-05-24 | 2003-12-02 | Kitakyushu Foundation For The Advancement Of Industry Science & Technology | 加圧流動床石炭灰を用いた固化体及びその利用方法 |
JP2005163488A (ja) * | 2003-12-05 | 2005-06-23 | Kochi Recycle Center:Kk | 汚泥から製造される造粒物を用いた路盤材 |
JP4552111B2 (ja) * | 2004-02-20 | 2010-09-29 | 清水建設株式会社 | 地盤材料の製造方法 |
JP4665259B2 (ja) * | 2006-08-07 | 2011-04-06 | 株式会社大坪砕石 | 建設汚泥の有効利用方法 |
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