WO2019169645A1 - 用作水底加固的不分散水泥土及其施工方法 - Google Patents

用作水底加固的不分散水泥土及其施工方法 Download PDF

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WO2019169645A1
WO2019169645A1 PCT/CN2018/078664 CN2018078664W WO2019169645A1 WO 2019169645 A1 WO2019169645 A1 WO 2019169645A1 CN 2018078664 W CN2018078664 W CN 2018078664W WO 2019169645 A1 WO2019169645 A1 WO 2019169645A1
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underwater
cement
sand
water
dispersible
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PCT/CN2018/078664
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English (en)
French (fr)
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沙焕焕
魏东海
邓亚光
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沙焕焕
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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
    • C04B28/02—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 hydraulic cements other than calcium sulfates
    • 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/32—Foundations for special purposes
    • E02D27/52—Submerged foundations, i.e. submerged in open water
    • 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
    • C04B2111/74—Underwater applications
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
    • E02B3/128—Coherent linings made on the spot, e.g. cast in situ, extruded on the spot
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Definitions

  • the invention relates to a non-dispersible cement soil used for underwater reinforcement and a construction method thereof.
  • the object of the present invention is to provide a reasonable and efficient method for forming a water-based permanent protective layer by locally picking materials, mixing on site, and instantly reinforcing the bottom of the water, and solving the problem of sedimentation at the bottom of the port and the problem of siltation of the channel. Dispersed cement soil and its construction method.
  • a non-dispersible cement soil used for underwater reinforcement characterized in that natural sand or muddy sand, water, non-dispersing agent and early strength agent sucked up by water bottom are mixed and stirred to form non-dispersible cement soil, and the mass percentage of materials as follows:
  • Non-dispersing agent 0.1% ⁇ 0.5%
  • the sum of the percentages of the above ingredients is 100%, and the proportion of the added water in the natural sand or the mud-containing sand is correspondingly reduced. Then, it is piped to the bottom of the water or placed in a geotextile bag and thrown into the bottom of the water to form a continuous underwater reinforcement surface.
  • the non-dispersing agent is one or more of cellulose ester, polyacrylamide, polyvinyl alcohol, natural rubber, paraffin emulsion, silicon powder; the early strengthening agent is chloride salt, sulfate salt, nitrite, One or more of chromate, triethanolamine, calcium formate, and urea.
  • a construction method for non-dispersible cement soil used for underwater reinforcement characterized in that it comprises the following steps:
  • the dredging vessel sucks up the natural sand or muddy sand deposited by the cement by means of bucketing, sucking, sucking, etc.;
  • the invention is based on local materials, reducing transportation and yard costs.
  • Sand suction, mixing, pouring or throwing bags can be constructed on the dredging ship on site, and the dredging boat can be continuously moved for continuous construction, which is convenient and quick.
  • the cement soil formed by the agitation can be quickly consolidated due to the addition of the early strength agent, and the non-dispersing agent can be continuously reacted at the bottom of the water to reach the strength of each age due to the non-dispersing ability.
  • the result is a permanent protective layer of water.
  • the utility model relates to a non-dispersible cement soil which is used for underwater reinforcement, and the natural sand or muddy sand, water, non-dispersing agent and early strengthening agent which are sucked up by the bottom of the water are mixed and stirred to form non-dispersible cement soil.
  • the non-dispersible cement soil used for underwater reinforcement is obtained by fully mixing the following natural sand or mud sand, cement, water, non-dispersant and early strength agent into a mixer:
  • Natural sand or muddy sand 55% ⁇ 85% (55%, 70%, 85%)
  • Non-dispersant 0.1% ⁇ 0.5% (example 0.1%, 0.3%, 0.5%)
  • the sum of the percentages of the above ingredients is 100%, and the proportion of the added water in the natural sand or the mud-containing sand can be correspondingly reduced.
  • the non-dispersing agent is one or more of cellulose ester, polyacrylamide, polyvinyl alcohol, natural rubber, paraffin emulsion, silicon powder; the early strengthening agent is chloride salt, sulfate salt, nitrite, One or more of chromate, triethanolamine, calcium formate, and urea.
  • a construction method for underwater reinforcement using the non-dispersible cement soil used for underwater reinforcement comprising the following steps:
  • the dredging vessel sucks up the natural sand or muddy sand deposited by the cement through one or several ways of bucketing, shooting and sucking;

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Sludge (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)

Abstract

一种用作水底加固的不分散水泥土及其施工方法，将水底吸上来的天然砂或含泥砂、水、不分散剂、早强剂混合搅拌形成不分散水泥土，再将其用导管浇至水底或装入土工模袋抛入水底，形成连续的水底加固面。就地取材，减少了运输和堆场成本。吸砂、搅拌、浇筑或抛模袋可在疏浚船上现场施工，疏浚船不断移动可连续施工，方便快捷。搅拌形成的水泥土由于加入了早强剂可快速固结，由于加入了不分散剂具有水下不分散能力可在水底持续反应达到各龄期应有强度。最终形成水底永久性保护层。

Description

用作水底加固的不分散水泥土及其施工方法 技术领域
本发明涉及一种用作水底加固的不分散水泥土及其施工方法。
 背景技术
在我国各大江海湖泊存在大大小小的港口和航道，港口底部沉积物易受扰动泛滥。航道容易泥沙淤积，造成可通行船舶吨位降低，现有的清淤手段基本为疏浚船吸出水底沉积物运走，代价高昂，沉积物堆场浪费土地资源，且由于航道底的沉积物持续沿斜坡坍落，需持续清淤。因此亟需找到合理高效的方法解决港口底部泥沙泛滥和航道淤积问题。
 技术问题
本发明的目的在于提供一种合理高效的方法，通过就地取材、现场拌合、即时加固水底，形成水底永久性保护层，解决港口底部泥沙泛滥和航道淤积问题的用作水底加固的不分散水泥土及其施工方法。
 技术解决方案
一种用作水底加固的不分散水泥土，其特征是：将水底吸上来的天然砂或含泥砂、水、不分散剂、早强剂放入搅拌机混合搅拌形成不分散水泥土，材料质量百分比如下：
天然砂或含泥砂：  55%~85%
水泥：            8%~30%
水：              5%~15%
不分散剂：        0.1%~0.5%
早强剂：          0.05%~0.2%
以上成分的百分比之和为100%，天然砂或含泥砂中含水时外加水比例相应降低。再将其用导管浇至水底或装入土工模袋抛入水底，形成连续的水底加固面。
所述不分散剂为纤维素酯、聚丙烯酰胺、聚乙烯醇、天然胶、石蜡乳液、硅粉中的一种或几种；所述早强剂为氯盐、硫酸盐、亚硝酸盐、铬酸盐、三乙醇胺、甲酸钙、尿素中的一种或几种。
一种用作水底加固的不分散水泥土的施工方法，其特征是：包括下列步骤：
（1）将疏浚船开至需加固水域；
（2）疏浚船通过挖斗、射吸、绞吸等方式将水泥沉积的天然砂或含泥砂吸上来；
（3）将一定质量百分比的天然砂或含泥砂、水泥、水、不分散剂、早强剂放入船上设置的搅拌机充分搅拌；
（5）将搅拌后的不分散水泥土用导管浇至水底或装入土工模袋抛入水底；
（6）将疏浚船开至下一水域重复上述步骤，形成连续的水底加固面。
 有益效果
本发明就地取材，减少了运输和堆场成本。吸砂、搅拌、浇筑或抛模袋可在疏浚船上现场施工，疏浚船不断移动可连续施工，方便快捷。搅拌形成的水泥土由于加入了早强剂可快速固结，由于加入了不分散剂具有水下不分散能力可在水底持续反应达到各龄期应有强度。最终形成水底永久性保护层。
 本发明的最佳实施方式
一种用作水底加固的不分散水泥土，将水底吸上来的天然砂或含泥砂、水、不分散剂、早强剂混合搅拌形成不分散水泥土。
所述用作水底加固的不分散水泥土，是将以下质量百分比的天然砂或含泥砂、水泥、水、不分散剂、早强剂放入搅拌机充分搅拌制得：
天然砂或含泥砂：  55%~85%（例55%、70%、85%）
水泥：            8%~30%（例10%、20%、30%）
水：              5%~15%（例5%、10%、15%）
不分散剂：        0.1%~0.5%（例0.1%、0.3%、0.5%）
早强剂：          0.05%~0.2%（例0.05%、0.1%、0.2%）；
以上成分的百分比之和为100%，天然砂或含泥砂中含水时外加水比例可相应降低。
所述不分散剂为纤维素酯、聚丙烯酰胺、聚乙烯醇、天然胶、石蜡乳液、硅粉中的一种或几种；所述早强剂为氯盐、硫酸盐、亚硝酸盐、铬酸盐、三乙醇胺、甲酸钙、尿素中的一种或几种。
一种利用所述的用作水底加固的不分散水泥土进行水底加固的施工方法，包括下列步骤：
（1）将疏浚船开至需加固水域；
（2）疏浚船通过挖斗、射吸、绞吸中的一种或几种方式，将水泥沉积的天然砂或含泥砂吸上来；
（3）将一定质量百分比的天然砂或含泥砂、水泥、水、不分散剂、早强剂放入船上设置的搅拌机充分搅拌；
（5）将搅拌后的不分散水泥土用导管浇至水底或装入土工模袋抛入水底；
（6）将疏浚船开至下一水域重复上述步骤，形成连续的水底加固面。

Claims (4)

  1. 一种用作水底加固的不分散水泥土，其特征是：将水底吸上来的天然砂或含泥砂、水、不分散剂、早强剂混合搅拌形成不分散水泥土。
  2. 根据权利要求1所述的用作水底加固的不分散水泥土，其特征是：是将以下质量百分比的天然砂或含泥砂、水泥、水、不分散剂、早强剂放入搅拌机充分搅拌制得：
    天然砂或含泥砂：  55%~85%
    水泥：            8%~30%
    水：              5%~15%
    不分散剂：        0.1%~0.5%
    早强剂：          0.05%~0.2%；
    以上成分的百分比之和为100%。
  3. 根据权利要求1或2所述的用作水底加固的不分散水泥土，其特征是：所述不分散剂为纤维素酯、聚丙烯酰胺、聚乙烯醇、天然胶、石蜡乳液、硅粉中的一种或几种；所述早强剂为氯盐、硫酸盐、亚硝酸盐、铬酸盐、三乙醇胺、甲酸钙、尿素中的一种或几种。
  4. 一种利用权利要求1所述的用作水底加固的不分散水泥土进行水底加固的施工方法，其特征是：包括下列步骤：
    （1）将疏浚船开至需加固水域；
    （2）疏浚船通过挖斗、射吸、绞吸中的一种或几种方式，将水泥沉积的天然砂或含泥砂吸上来；
    （3）将一定质量百分比的天然砂或含泥砂、水泥、水、不分散剂、早强剂放入船上设置的搅拌机充分搅拌；
    （5）将搅拌后的不分散水泥土用导管浇至水底或装入土工模袋抛入水底；
    （6）将疏浚船开至下一水域重复上述步骤，形成连续的水底加固面。
PCT/CN2018/078664 2018-03-05 2018-03-12 用作水底加固的不分散水泥土及其施工方法 WO2019169645A1 (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111454026A (zh) * 2020-04-02 2020-07-28 中交上海三航科学研究院有限公司 一种水下基础袋装混凝土、制备方法及应用
CN113026795A (zh) * 2021-03-09 2021-06-25 中国矿业大学 一种水上风电塔固结堆石柱围墩式基础及其施工方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1146980A (zh) * 1996-08-21 1997-04-09 吴振杰 固砂防渗胶凝剂
JP2002038465A (ja) * 2000-07-27 2002-02-06 Port & Airport Research Institute 床掘固化置換工法
CN101386548A (zh) * 2008-10-29 2009-03-18 梁林华 轻质发泡混凝土及其生产方法和用途
CN104418567A (zh) * 2013-08-27 2015-03-18 汪峻峰 一种海底人工礁的制备方法
CN105622006A (zh) * 2015-12-14 2016-06-01 江苏苏博特新材料股份有限公司 一种低温早强高强型水下灌浆料
CN106746853A (zh) * 2015-11-20 2017-05-31 衡阳市银利实业有限公司 制备高强混凝土水下浇筑用抗分散剂的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1083452A (zh) * 1993-09-18 1994-03-09 中国科学院水利部能源部水利水电科学研究院 水下混凝土不分散剂及其混凝土的拌合方法
CN101838133A (zh) * 2010-05-13 2010-09-22 中国海洋大学 一种利用疏浚砂制备的建筑材料及其制备方法
CN103449787A (zh) * 2012-05-28 2013-12-18 湖北中桥科技有限公司 一种水下不分散砂浆及其制备方法
CN103556639B (zh) * 2013-10-09 2015-05-27 清华大学 一种水下不分散的水泥基自密实材料施工方法
CN104230233A (zh) * 2014-08-28 2014-12-24 黄艳 一种利用疏浚废弃物制备的建筑材料
CN104788063B (zh) * 2015-04-29 2017-10-17 河海大学 一种免烧免压淤泥砖及其制备方法
CN106348690B (zh) * 2016-08-26 2019-10-11 北京建工新型建材有限责任公司 一种水下酸性环境用砌筑砂浆

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1146980A (zh) * 1996-08-21 1997-04-09 吴振杰 固砂防渗胶凝剂
JP2002038465A (ja) * 2000-07-27 2002-02-06 Port & Airport Research Institute 床掘固化置換工法
CN101386548A (zh) * 2008-10-29 2009-03-18 梁林华 轻质发泡混凝土及其生产方法和用途
CN104418567A (zh) * 2013-08-27 2015-03-18 汪峻峰 一种海底人工礁的制备方法
CN106746853A (zh) * 2015-11-20 2017-05-31 衡阳市银利实业有限公司 制备高强混凝土水下浇筑用抗分散剂的方法
CN105622006A (zh) * 2015-12-14 2016-06-01 江苏苏博特新材料股份有限公司 一种低温早强高强型水下灌浆料

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111454026A (zh) * 2020-04-02 2020-07-28 中交上海三航科学研究院有限公司 一种水下基础袋装混凝土、制备方法及应用
CN113026795A (zh) * 2021-03-09 2021-06-25 中国矿业大学 一种水上风电塔固结堆石柱围墩式基础及其施工方法

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