CN100569902C - 一种土壤稳固剂 - Google Patents

一种土壤稳固剂 Download PDF

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CN100569902C
CN100569902C CNB2007101113577A CN200710111357A CN100569902C CN 100569902 C CN100569902 C CN 100569902C CN B2007101113577 A CNB2007101113577 A CN B2007101113577A CN 200710111357 A CN200710111357 A CN 200710111357A CN 100569902 C CN100569902 C CN 100569902C
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emulsion
curing agent
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soil curing
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CN101074378A (zh
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杨结实
牟怀江
张寿
禹东
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Xiyutong Science & Technology Development Co Ltd Xinjiang
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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00732—Uses not provided for elsewhere in C04B2111/00 for soil stabilisation
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/20—Resistance against chemical, physical or biological attack
    • C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/34—Non-shrinking or non-cracking materials
    • C04B2111/343—Crack resistant materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)

Abstract

本发明的土壤稳固剂属于化工领域，以硅酸钠、硫酸铝、纯丙乳液、醋酸乙烯酯共聚乳液、硅氧烷乳液、六偏磷酸钠、磷酸三丁酯为原料，先将硅酸钠加入到容积为1吨的搪瓷反应釜中加热搅拌，待温度上升到50℃时加入硫酸铝改性，并控制温度不超过50℃，10分钟到后停止加温，待温度自然冷却到25℃-30℃时，再依次加入纯丙乳液、醋酸乙烯酯共聚乳液和硅氧烷乳液，继续搅拌30分钟。然后加入六偏磷酸钠和磷酸三丁酯，再搅拌20分钟后放料即制得土壤稳固剂。本剂水稳性好、抗压强度高、干缩裂缝小，土壤稳固层7天无侧限抗压强度可达3.62MPa。

Description

一种土壤稳固剂
1、技术领域：
本发明的土壤稳固剂属于化工领域，尤其涉及一种稳固剂。
2、背景技术：
我国公路建设已进入了一个高速发展阶段，由于需要大量的砂、砾、石料用于处理路基和填筑路面基层、底基层，故而不少地区出现砂石料紧缺现象，同时，大量采挖砂、砾、石料也造成植被减少、水土流失和环境恶化等一系列问题。因此，在保证工程质量的前提下就地取材，减少砂石用量，充分利用公路沿线的各种土壤来修筑质量合格的道路，是目前急需研究和解决的问题之一。
3、发明内容：
本发明的目的在于提出一种水稳性好、抗压强度高、干缩裂缝小的土壤稳固剂。
本发明的目的是这样实现的：利用高分子化学材料与土料粘结力强、反应性高、成膜温度低、内增塑能力极大、聚合分子链的能力极强、能聚合成几百万分子长度的特性，结合电离子化学能完全分隔并排走附着在土粒表面上的水分子及粘和、憎水之功能，使其与路基中各种材料的粘土、沙石等产生粘结力和多种共聚反应作用，从而使土壤固化成具有牢固耐久，抗渗减缩的超强能力。
(一)原料及配比：
硅酸钠       25～30％      硫酸铝              5～12％
纯丙乳液     20～30％      醋酸乙烯酯共聚乳液  10～20％
硅氧烷乳液   10～20％      六偏磷酸钠          0.1～0.3％
磷酸三丁酯   0.1～0.3％。
(二)配制方法：
先将硅酸钠加入到容积为1吨的搪瓷反应釜中加热搅拌，待温度上升到50℃时加入硫酸铝改性，并控制温度不超过50℃，10分钟到后停止加温，待温度自然冷却到25℃-30℃时，再依次加入纯丙乳液、醋酸乙烯酯共聚乳液和硅氧烷乳液，继续搅拌30分钟。然后加入六偏磷酸钠和磷酸三丁酯，再搅拌20分钟后放料即制得土壤稳固剂。
采用上述技术方案制得的土壤稳固剂，经新疆交通科研所路桥检测试验中心检测，其指标达到中华人民共和国行业标准CJJ/T80-98《固化类路面基层和底基层技术规程》的标准要求，其结果如下表：
材料名称及配比    最大干密度    最佳含水量    无限抗压强度(Mpa)             备注
                  (g/cm3)       (％)          (城市快速路和城市主干路)
                                              平均值R  允许强度  规范要求
每立方米细粒土掺  1.93          10.4          3.62     3.19      3-4        标准养生
加土壤稳固剂1kg、
32.5#普通硅酸盐水
泥5％
本土壤稳固剂水稳性好、抗压强度高、干缩裂缝小，土壤稳固层7天无侧限抗压强度可达3.62MPa。
4、具体实施方式：
(一)原料及配比：
硅酸钠      25～30％    硫酸铝              5～12％
纯丙乳液    20～30％    醋酸乙烯酯共聚乳液  10～20％
硅氧烷乳液  10～20％    六偏磷酸钠          0.1～0.3％
磷酸三丁酯  0.1～0.3％。
(二)配制方法：
先将硅酸钠加入到容积为1吨的搪瓷反应釜中加热搅拌，待温度上升到50℃时加入硫酸铝改性，并控制温度不超过50℃，10分钟到后停止加温，待温度自然冷却到25℃-30℃时，再依次加入纯丙乳液、醋酸乙烯酯共聚乳液和硅氧烷乳液，继续搅拌30分钟。然后加入六偏磷酸钠和磷酸三丁酯，再搅拌20分钟后放料即制得土壤稳固剂。
施工时，用土壤做公路基层，每立方米粒度为5mm以下的粘质土或粉质土需加土壤稳固剂1kg，再加土壤重量的5％的32.5#普通硅酸盐水泥及土壤重量的10.3％的水。具体做法是：先将粘质土或粉质土与普通硅酸盐水泥混合搅拌均匀，再将土壤稳固剂与水稀释均匀，最后将稀释了的土壤稳固剂均匀撒入土壤与水泥的混合体，搅拌3-5分钟即可铺设路面。

Claims (2)

1、一种土壤稳固剂，其特征在于：原料及配比为：
硅酸钠      25～30％，    硫酸铝              5～12％，
纯丙乳液    20～30％，    醋酸乙烯酯共聚乳液  10～20％，
硅氧烷乳液  10～20％，    六偏磷酸钠          0.1～0.3％，
磷酸三丁酯  0.1～0.3％。
2、一种土壤稳固剂的配制方法，其特征在于：配制方法为：按下述原料及配比
硅酸钠      25～30％，    硫酸铝              5～12％，
纯丙乳液    20～30％，    醋酸乙烯酯共聚乳液  10～20％，
硅氧烷乳液  10～20％，    六偏磷酸钠          0.1～0.3％，
磷酸三丁酯  0.1～0.3％，
先将硅酸钠加入到容积为1吨的搪瓷反应釜中加热搅拌，待温度上升到50℃时加入硫酸铝改性，并控制温度不超过50℃，10分钟到后停止加温，待温度自然冷却到25℃-30℃时，再依次加入纯丙乳液、醋酸乙烯酯共聚乳液和硅氧烷乳液，继续搅拌30分钟，然后加入六偏磷酸钠和磷酸三丁酯，再搅拌20分钟后放料即制得土壤稳固剂。
CNB2007101113577A 2007-06-19 2007-06-19 一种土壤稳固剂 Expired - Fee Related CN100569902C (zh)

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CN103555339B (zh) * 2013-10-09 2016-03-09 李庆辉 一种高抗水性土壤固化剂及其应用
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