WO2022199523A1 - Soil treatment method - Google Patents

Soil treatment method Download PDF

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Publication number
WO2022199523A1
WO2022199523A1 PCT/CN2022/081976 CN2022081976W WO2022199523A1 WO 2022199523 A1 WO2022199523 A1 WO 2022199523A1 CN 2022081976 W CN2022081976 W CN 2022081976W WO 2022199523 A1 WO2022199523 A1 WO 2022199523A1
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Prior art keywords
parts
grouting agent
chloride
biological
sodium
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PCT/CN2022/081976
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French (fr)
Chinese (zh)
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尹书容
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广东睿博建筑设计研究有限公司
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Publication of WO2022199523A1 publication Critical patent/WO2022199523A1/en

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
    • 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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
    • C12N1/20—Bacteria; Culture media therefor
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D15/00—Handling building or like materials for hydraulic engineering or foundations
    • E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
    • E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
    • 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
    • C04B2111/70—Grouts, e.g. injection mixtures for cables for prestressed concrete
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/003—Injection of material

Definitions

  • the invention relates to the field of geological engineering, in particular to a foundation treatment method.
  • the existing foundation treatment methods mainly include the following methods: replacement method, drainage consolidation method, and pouring solidification method. , underpinning method, vibration density, compaction method, reinforcement method and rectification and migration method.
  • the main methods used are deep stirring method and various grouting methods.
  • chemical grouting and microbial grouting and chemical or biological methods can greatly reduce environmental pollution. , and save energy and reduce emissions.
  • the object of the present invention is to provide a ground treatment method, which mainly includes the following contents:
  • the present invention provides a foundation treatment method: 1) drilling holes on the foundation to be treated;
  • the present invention provides a chemical grouting agent, which comprises the following substances by weight fraction: 100-150 parts of cement clinker, 0.02-0.05 parts of sodium aluminate, 12-28 parts of beta hemihydrate gypsum, and 0.01 part of silicon dioxide.
  • the chemical grouting agent comprises the following substances by weight: 120-130 parts of cement clinker, 0.03-0.04 parts of sodium aluminate, 16-20 parts of beta hemihydrate gypsum, 0.02-0.03 parts of silica, 1-2 parts of polycarboxylate water reducing agent, 0.1-0.2 part of hydroxyethyl cellulose ether, 0.4-0.5 part of triethanolamine, 0.4-0.5 part of calcium lignosulfonate, 0.01-0.03 part of sodium chloride, 0.02-0.02 part of magnesium chloride 0.03 part, calcium chloride 0.08-0.09 part, ferric chloride 0.07-0.08 part, sodium metasilicate pentahydrate 0.06-0.07 part.
  • the chemical grouting agent includes the following substances by weight: 120 parts of cement clinker, 0.03 parts of sodium aluminate, 18 parts of beta hemihydrate gypsum, 0.02 parts of silicon dioxide, and 2 parts of polycarboxylate water reducing agent , 0.1 part of hydroxyethyl cellulose ether, 0.4 part of triethanolamine, 0.5 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.03 part of magnesium chloride, 0.08 part of calcium chloride, 0.08 part of iron chloride, metasilicic acid pentahydrate Sodium 0.06 part
  • the present invention provides a method for preparing a biological grouting agent, comprising the following steps:
  • the medium comprises the following substances by weight: 0.4 parts of sucrose, 10 parts of glucose, 2 parts of urea, 3 parts of dipotassium hydrogen phosphate, 0.2 parts of magnesium sulfate, and 78 parts of water.
  • step (3) is specifically:
  • the seed liquid obtained in step (2) is cultivated at a constant temperature of 37°C according to the inoculum size of 5 parts;
  • the fermentation medium comprises the following substances by weight: 10-15 parts of sucrose, 3-18 parts of glucose, 0.5-2.5 parts of sodium acetate, 0.5-2.5 parts of urea, 1-3 parts of dipotassium hydrogen phosphate, 0.01 part of magnesium sulfate -0.05 parts, 60-80 parts water.
  • the step (4) is as follows: the added amount of the mixed bacterial solution is 3%.
  • the ground treatment method provided by the present invention greatly reduces the emission of carbon dioxide, reduces environmental pollution, and saves energy and reduces emissions.
  • the foundation treatment method provided by the present invention solves the problem that the deep stirring method is to use a stirring head to forcibly stir the slurry and the soft soil.
  • the more stirring times the more uniform the stirring and the higher the strength of the cement soil.
  • the more mixing times the longer the construction time and the lower the work efficiency, it is smaller than the strength of the concrete cast-in-place pile, the deformation modulus is smaller, and the problem is uneven.
  • FIG. 1 is a schematic flow chart of a foundation treatment method in a specific implementation of the present invention.
  • Fig. 1 shows a schematic flow chart of a foundation treatment method
  • Step 101 Drill holes on the foundation to be treated
  • Step 102 injecting the prepared chemical grouting agent and biological grouting agent into the foundation through grouting equipment;
  • Step 103 After the chemical grouting agent and the biological grouting agent are injected, the foundation after grouting is stirred by a deep mixer.
  • a ground treatment method characterized in that the method comprises the following steps:
  • the chemical grouting agent includes the following substances by weight: 150 parts of cement clinker, 0.05 parts of sodium aluminate, 28 parts of beta hemihydrate gypsum, 0.05 parts of silicon dioxide, 3 parts of polycarboxylate water-reducing agent, hydroxyethyl acetate 0.3 part of base cellulose ether, 0.5 part of triethanolamine, 0.6 part of calcium lignosulfonate, 0.05 part of sodium chloride, 0.05 part of magnesium chloride, 0.09 part of calcium chloride, 0.08 part of iron chloride, 0.08 part of sodium metasilicate pentahydrate .
  • the preparation method of biological grouting agent comprises the following steps:
  • the culture medium comprises the following substances by weight: 0.5 part of sucrose, 15 parts of glucose, 2.8 parts of urea, 5 parts of dipotassium hydrogen phosphate, 0.1 part of magnesium sulfate, and 78 parts of water;
  • step (3) fermentation culture the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 5% to obtain the mixed bacterial liquid after fermentation;
  • step (3) The mixed bacterial solution obtained in step (3) is mixed with water to obtain a biological grouting agent, and the addition amount of the mixed bacterial solution is 2%.
  • a ground treatment method characterized in that the method comprises the following steps:
  • the chemical grouting agent includes the following substances by weight: 100 parts of cement clinker, 0.02 part of sodium aluminate, 12 parts of beta hemihydrate gypsum, 0.01 part of silicon dioxide, 1 part of polycarboxylate water reducing agent, hydroxyethyl 0.1 part of base cellulose ether, 0.2 part of triethanolamine, 0.3 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.02 part of magnesium chloride, 0.07 part of calcium chloride, 0.05 part of iron chloride, 0.05 part of sodium metasilicate pentahydrate .
  • the preparation method of biological grouting agent comprises the following steps:
  • the culture medium comprises the following substances by weight: 0.3 part of sucrose, 15 parts of glucose, 0.5 part of urea, 5 parts of dipotassium hydrogen phosphate, 0.1 part of magnesium sulfate, and 75 parts of water;
  • step (3) fermentation culture the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 6% to obtain the mixed bacterial liquid after fermentation;
  • step (3) Mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the addition amount of the mixed bacterial liquid is 5%.
  • a ground treatment method characterized in that the method comprises the following steps:
  • the chemical grouting agent includes the following substances by weight: 120 parts of cement clinker, 0.03 parts of sodium aluminate, 16 parts of beta hemihydrate gypsum, 0.02 parts of silicon dioxide, 1 part of polycarboxylate water-reducing agent, hydroxyethyl acetate 0.12 part of base cellulose ether, 0.4 part of triethanolamine, 0.4 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.02 part of magnesium chloride, 0.08 part of calcium chloride, 0.07 part of iron chloride, 0.06 part of sodium metasilicate pentahydrate .
  • the preparation method of biological grouting agent comprises the following steps:
  • the culture medium comprises the following substances by weight: 0.3 part of sucrose, 15 parts of glucose, 0.5 part of urea, 5 parts of dipotassium hydrogen phosphate, 0.1 part of magnesium sulfate, and 75 parts of water;
  • step (3) fermentation culture the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 6% to obtain the mixed bacterial liquid after fermentation;
  • step (3) Mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the addition amount of the mixed bacterial liquid is 5%.
  • a ground treatment method characterized in that the method comprises the following steps:
  • the chemical grouting agent includes the following substances by weight: 130 parts of cement clinker, 0.04 parts of sodium aluminate, 20 parts of beta hemihydrate gypsum, 0.03 parts of silicon dioxide, 2 parts of polycarboxylate water reducing agent, ethyl acetate 0.2 part of base cellulose ether, 0.5 part of triethanolamine, 0.5 part of calcium lignosulfonate, 0.01-0.03 part of sodium chloride, 0.03 part of magnesium chloride, 0.09 part of calcium chloride, 0.08 part of ferric chloride, sodium metasilicate pentahydrate 0.07 servings.
  • the preparation method of biological grouting agent comprises the following steps:
  • the culture medium comprises the following substances by weight: 0.3 part of sucrose, 15 parts of glucose, 0.5 part of urea, 5 parts of dipotassium hydrogen phosphate, 0.1 part of magnesium sulfate, and 75 parts of water;
  • step (3) fermentation culture the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 6% to obtain the mixed bacterial liquid after fermentation;
  • step (3) Mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the addition amount of the mixed bacterial liquid is 5%.
  • a ground treatment method characterized in that the method comprises the following steps:
  • the chemical grouting agent includes the following substances by weight: 120 parts of cement clinker, 0.03 parts of sodium aluminate, 18 parts of beta hemihydrate gypsum, 0.02 parts of silicon dioxide, 2 parts of polycarboxylate water reducing agent, hydroxyethyl acetate 0.1 part of base cellulose ether, 0.4 part of triethanolamine, 0.5 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.03 part of magnesium chloride, 0.08 part of calcium chloride, 0.08 part of iron chloride, 0.06 part of sodium metasilicate pentahydrate .
  • the preparation method of biological grouting agent comprises the following steps:
  • the culture medium comprises the following substances by weight: 0.4 parts of sucrose, 10 parts of glucose, 2 parts of urea, 3 parts of dipotassium hydrogen phosphate, 0.2 parts of magnesium sulfate, and 78 parts of water;
  • step (3) Mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the added amount of the mixed bacterial liquid is 2-5%.

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  • Mining & Mineral Resources (AREA)
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Abstract

The present invention aims to provide a soil treatment method, said method comprising the following steps: 1) drilling a hole in soil to be treated; 2) injecting a formulated chemical grouting agent and a biological grouting agent into the soil by means of grouting equipment; and 3) after injecting the chemical grouting agent and the biological grouting agent, performing mixing on the grouted soil by means of a deep mixing machine. By means of the soil treatment method provided in the present invention, emission of carbon dioxide is greatly reduced, environmental pollution is reduced, and the present invention saves energy and reduces emissions.

Description

一种地基处理方法a ground treatment method 技术领域technical field
本发明涉及地质工程领域，具体涉及一种地基处理方法。The invention relates to the field of geological engineering, in particular to a foundation treatment method.
背景技术Background technique
随着全球环境保护和节能减排的需要，研究低碳环保和高效的处理地基的方法尤为重要，现有的地基处理方法主要包括以下方法：置换法、排水固结法、灌入固化物法、托换法、振密、挤密法、加筋法以及纠倾与迁移法。在灌入固化物法中，主要使用的方法为深层搅拌法、及其各种灌浆法，而对化学注浆以及微生物灌浆方面的研究较少，而通过化学或生物的方法可以大幅减少环境污染，并且节能减排。With the needs of global environmental protection and energy conservation and emission reduction, it is particularly important to study low-carbon, environmentally friendly and efficient methods for treating foundations. The existing foundation treatment methods mainly include the following methods: replacement method, drainage consolidation method, and pouring solidification method. , underpinning method, vibration density, compaction method, reinforcement method and rectification and migration method. In the grouting method, the main methods used are deep stirring method and various grouting methods. There are few studies on chemical grouting and microbial grouting, and chemical or biological methods can greatly reduce environmental pollution. , and save energy and reduce emissions.
发明内容SUMMARY OF THE INVENTION
鉴于现有技术中存在的问题，本发明的目的在于提供一种地基处理方法，这种方法主要包括以下内容：In view of the problems existing in the prior art, the object of the present invention is to provide a ground treatment method, which mainly includes the following contents:
第一方面，本发明提供一种地基处理方法：1)在需要处理的地基上钻孔；In a first aspect, the present invention provides a foundation treatment method: 1) drilling holes on the foundation to be treated;
2)通过注浆设备将调配好的化学注浆剂以及生物注浆剂注入至所述地基内；3)在注入化学注浆剂以及生物注浆剂后通过深层搅拌机对注浆后的地基进行搅拌。2) The prepared chemical grouting agent and biological grouting agent are injected into the foundation through the grouting equipment; 3) After the chemical grouting agent and the biological grouting agent are injected, the ground after grouting is carried out by a deep mixer. Stir.
第二方面，本发明提供一种化学注浆剂，按重量分数包括以下物质：水泥熟料100～150份，铝酸钠0.02～0.05份，β半水石膏12～28份，二氧化硅0.01～0.05份，聚羧酸减水剂1～3份，羟乙基纤维素醚0.1～0.3份，三乙醇胺0.2-0.5份、木质素磺酸钙0.3-0.6份、氯化钠0.01-0.05份、氯化镁0.02-0.05份、氯化钙0.07-0.09份、氯化铁0.05-0.08份、五水偏硅酸钠0.05～0.08份。In the second aspect, the present invention provides a chemical grouting agent, which comprises the following substances by weight fraction: 100-150 parts of cement clinker, 0.02-0.05 parts of sodium aluminate, 12-28 parts of beta hemihydrate gypsum, and 0.01 part of silicon dioxide. ～0.05 part, 1～3 part of polycarboxylate water reducer, 0.1～0.3 part of hydroxyethyl cellulose ether, 0.2-0.5 part of triethanolamine, 0.3-0.6 part of calcium lignosulfonate, 0.01-0.05 part of sodium chloride , 0.02-0.05 part of magnesium chloride, 0.07-0.09 part of calcium chloride, 0.05-0.08 part of ferric chloride, and 0.05-0.08 part of sodium metasilicate pentahydrate.
优选地，所述化学注浆剂，按重量分数包括以下物质：水泥熟料120～130份，铝酸钠0.03～0.04份，β半水石膏16～20份，二氧化硅0.02～0.03份，聚羧酸减水剂1～2份，羟乙基纤维素醚0.1～0.2份，三乙醇胺0.4-0.5份、木质素磺酸钙0.4-0.5份、氯化钠0.01-0.03份、氯化镁0.02-0.03份、氯 化钙0.08-0.09份、氯化铁0.07-0.08份、五水偏硅酸钠0.06～0.07份。Preferably, the chemical grouting agent comprises the following substances by weight: 120-130 parts of cement clinker, 0.03-0.04 parts of sodium aluminate, 16-20 parts of beta hemihydrate gypsum, 0.02-0.03 parts of silica, 1-2 parts of polycarboxylate water reducing agent, 0.1-0.2 part of hydroxyethyl cellulose ether, 0.4-0.5 part of triethanolamine, 0.4-0.5 part of calcium lignosulfonate, 0.01-0.03 part of sodium chloride, 0.02-0.02 part of magnesium chloride 0.03 part, calcium chloride 0.08-0.09 part, ferric chloride 0.07-0.08 part, sodium metasilicate pentahydrate 0.06-0.07 part.
优选地，所述化学注浆剂，按重量分数包括以下物质：水泥熟料120份，铝酸钠0.03份，β半水石膏18份，二氧化硅0.02份，聚羧酸减水剂2份，羟乙基纤维素醚0.1份，三乙醇胺0.4份、木质素磺酸钙0.5份、氯化钠0.01份、氯化镁0.03份、氯化钙0.08份、氯化铁0.08份、五水偏硅酸钠0.06份Preferably, the chemical grouting agent includes the following substances by weight: 120 parts of cement clinker, 0.03 parts of sodium aluminate, 18 parts of beta hemihydrate gypsum, 0.02 parts of silicon dioxide, and 2 parts of polycarboxylate water reducing agent , 0.1 part of hydroxyethyl cellulose ether, 0.4 part of triethanolamine, 0.5 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.03 part of magnesium chloride, 0.08 part of calcium chloride, 0.08 part of iron chloride, metasilicic acid pentahydrate Sodium 0.06 part
第三方面，本发明提供一种生物注浆剂的制备方法包括以下步骤：In a third aspect, the present invention provides a method for preparing a biological grouting agent, comprising the following steps:
(1)将巴氏芽孢杆菌及枯草芽孢杆菌接种到斜面培养基上，于25-30℃培养36h，得活化的混合菌种；(2)将活化的混合菌种接种于培养基中培养，得到种子液；所述培养基，按重量分数包括以下物质：蔗糖0.3-0.5份，葡萄糖5-15份，尿素0.5-2.8份，磷酸氢二钾1-5份，硫酸镁0.1-0.3份，水60-80份；(3)发酵培养：将步骤(2)得到的种子液按5-7％的接种量接种发酵，得到发酵后的混合菌液；(4)将步骤(3)得到的混合菌液与水混合得到生物注浆剂，混合菌液的添加量为2-5％。(1) Inoculate Bacillus Pasteurella and Bacillus subtilis on the slant medium, and cultivate at 25-30 ° C for 36 hours to obtain an activated mixed strain; (2) Inoculate the activated mixed strain in the medium for cultivation, Seed liquid is obtained; the culture medium includes the following substances by weight: 0.3-0.5 parts of sucrose, 5-15 parts of glucose, 0.5-2.8 parts of urea, 1-5 parts of dipotassium hydrogen phosphate, 0.1-0.3 parts of magnesium sulfate, 60-80 parts of water; (3) fermentation culture: the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 5-7% to obtain a fermented mixed bacterial liquid; (4) the seed liquid obtained in step (3) is The mixed bacterial liquid is mixed with water to obtain a biological grouting agent, and the added amount of the mixed bacterial liquid is 2-5%.
优选地，所述培养基，按重量分数包括以下物质：蔗糖0.4份，葡萄糖10份，尿素2份，磷酸氢二钾3份，硫酸镁0.2份，水78份。Preferably, the medium comprises the following substances by weight: 0.4 parts of sucrose, 10 parts of glucose, 2 parts of urea, 3 parts of dipotassium hydrogen phosphate, 0.2 parts of magnesium sulfate, and 78 parts of water.
优选地，步骤(3)具体为：Preferably, step (3) is specifically:
将步骤(2)得到的种子液按5份的接种量于37℃恒温培养；The seed liquid obtained in step (2) is cultivated at a constant temperature of 37°C according to the inoculum size of 5 parts;
所述发酵培养基，按重量分数包括以下物质：蔗糖10-15份，葡萄糖3-18份，乙酸钠0.5-2.5份，尿素0.5-2.5份，磷酸氢二钾1-3份，硫酸镁0.01-0.05份，水60-80份。The fermentation medium comprises the following substances by weight: 10-15 parts of sucrose, 3-18 parts of glucose, 0.5-2.5 parts of sodium acetate, 0.5-2.5 parts of urea, 1-3 parts of dipotassium hydrogen phosphate, 0.01 part of magnesium sulfate -0.05 parts, 60-80 parts water.
优选地，所述步骤(4)具体为：混合菌液的添加量为3％。Preferably, the step (4) is as follows: the added amount of the mixed bacterial solution is 3%.
有益效果：Beneficial effects:
(1)通过本发明提供的地基处理方法，大幅减少了二氧化碳的排放，减少环境污染，并且节能减排。(1) The ground treatment method provided by the present invention greatly reduces the emission of carbon dioxide, reduces environmental pollution, and saves energy and reduces emissions.
(2)通过本发明提供的地基处理方法，解决了深层搅拌法是使用搅拌头将浆液和软土强制搅和，搅拌次数越多，拌和越均匀，水泥土的强度越高。但搅拌次数越多，施工时间越长，工效越低，它比混凝土灌注桩的强度要小， 变形模量要小，且不均匀的问题。(2) The foundation treatment method provided by the present invention solves the problem that the deep stirring method is to use a stirring head to forcibly stir the slurry and the soft soil. The more stirring times, the more uniform the stirring and the higher the strength of the cement soil. However, the more mixing times, the longer the construction time and the lower the work efficiency, it is smaller than the strength of the concrete cast-in-place pile, the deformation modulus is smaller, and the problem is uneven.
附图说明Description of drawings
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.
图1为本发明具体实施中一种地基处理方法的流程示意图。FIG. 1 is a schematic flow chart of a foundation treatment method in a specific implementation of the present invention.
具体实施方式Detailed ways
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
请参考图1Please refer to Figure 1
图1示出了一种地基处理方法的流程示意图，Fig. 1 shows a schematic flow chart of a foundation treatment method,
步骤101：在需要处理的地基上钻孔；Step 101: Drill holes on the foundation to be treated;
步骤102：通过注浆设备将调配好的化学注浆剂以及生物注浆剂注入至所述地基内；Step 102: injecting the prepared chemical grouting agent and biological grouting agent into the foundation through grouting equipment;
步骤103：在注入化学注浆剂以及生物注浆剂后通过深层搅拌机对注浆后的地基进行搅拌。Step 103: After the chemical grouting agent and the biological grouting agent are injected, the foundation after grouting is stirred by a deep mixer.
通过在需要处理的地基内先注浆化学注浆剂以及生物注浆剂,然后再使用深层搅拌机进行固化，大幅减少了深层搅拌机使用频率，实现了大幅减少了二氧化碳的排放，减少环境污染，并且节能减排的效果。By grouting chemical grouting agent and biological grouting agent in the foundation to be treated, and then using a deep mixer for curing, the frequency of using the deep mixer is greatly reduced, the emission of carbon dioxide is greatly reduced, and environmental pollution is reduced. The effect of energy saving and emission reduction.
实施例1：Example 1:
一种地基处理方法，其特征在于，所述方法包括以下步骤：A ground treatment method, characterized in that the method comprises the following steps:
1)在需要处理的地基上钻孔；1) Drill holes on the foundation to be treated;
2)通过注浆设备将调配好的化学注浆剂以及生物注浆剂注入至所述地基内；2) injecting the prepared chemical grouting agent and biological grouting agent into the foundation through grouting equipment;
3)在注入化学注浆剂以及生物注浆剂后通过深层搅拌机对注浆后的地基 进行搅拌；3) After injecting chemical grouting agent and biological grouting agent, the foundation after grouting is stirred by deep mixer;
所述化学注浆剂，按重量分数包括以下物质：水泥熟料150份，铝酸钠0.05份，β半水石膏28份，二氧化硅0.05份，聚羧酸减水剂3份，羟乙基纤维素醚0.3份，三乙醇胺0.5份、木质素磺酸钙0.6份、氯化钠0.05份、氯化镁0.05份、氯化钙0.09份、氯化铁0.08份、五水偏硅酸钠0.08份。The chemical grouting agent includes the following substances by weight: 150 parts of cement clinker, 0.05 parts of sodium aluminate, 28 parts of beta hemihydrate gypsum, 0.05 parts of silicon dioxide, 3 parts of polycarboxylate water-reducing agent, hydroxyethyl acetate 0.3 part of base cellulose ether, 0.5 part of triethanolamine, 0.6 part of calcium lignosulfonate, 0.05 part of sodium chloride, 0.05 part of magnesium chloride, 0.09 part of calcium chloride, 0.08 part of iron chloride, 0.08 part of sodium metasilicate pentahydrate .
生物注浆剂的制备方法包括以下步骤：The preparation method of biological grouting agent comprises the following steps:
(1)将巴氏芽孢杆菌及枯草芽孢杆菌接种到斜面培养基上，于25-30℃培养36h，得活化的混合菌种；(1) Inoculate Bacillus Pasteurella and Bacillus subtilis on the slant medium, and cultivate at 25-30°C for 36 hours to obtain an activated mixed strain;
(2)将活化的混合菌种接种于培养基中培养，得到种子液；(2) the activated mixed bacterial classification is inoculated in the culture medium to obtain seed liquid;
所述培养基，按重量分数包括以下物质：蔗糖0.5份，葡萄糖15份，尿素2.8份，磷酸氢二钾5份，硫酸镁0.1份，水78份；The culture medium comprises the following substances by weight: 0.5 part of sucrose, 15 parts of glucose, 2.8 parts of urea, 5 parts of dipotassium hydrogen phosphate, 0.1 part of magnesium sulfate, and 78 parts of water;
(3)发酵培养：将步骤(2)得到的种子液按5％的接种量接种发酵，得到发酵后的混合菌液；(3) fermentation culture: the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 5% to obtain the mixed bacterial liquid after fermentation;
(4)将步骤(3)得到的混合菌液与水混合得到生物注浆剂，混合菌液的添加量为2％。(4) The mixed bacterial solution obtained in step (3) is mixed with water to obtain a biological grouting agent, and the addition amount of the mixed bacterial solution is 2%.
实施例2Example 2
一种地基处理方法，其特征在于，所述方法包括以下步骤：A ground treatment method, characterized in that the method comprises the following steps:
1)在需要处理的地基上钻孔；1) Drill holes on the foundation to be treated;
2)通过注浆设备将调配好的化学注浆剂以及生物注浆剂注入至所述地基内；2) injecting the prepared chemical grouting agent and biological grouting agent into the foundation through grouting equipment;
3)在注入化学注浆剂以及生物注浆剂后通过深层搅拌机对注浆后的地基进行搅拌；3) After the chemical grouting agent and biological grouting agent are injected, the foundation after grouting is stirred by a deep mixer;
所述化学注浆剂，按重量分数包括以下物质：水泥熟料100份，铝酸钠0.02份，β半水石膏12份，二氧化硅0.01份，聚羧酸减水剂1份，羟乙基纤维素醚0.1份，三乙醇胺0.2份、木质素磺酸钙0.3份、氯化钠0.01份、氯化镁0.02份、氯化钙0.07份、氯化铁0.05份、五水偏硅酸钠0.05份。The chemical grouting agent includes the following substances by weight: 100 parts of cement clinker, 0.02 part of sodium aluminate, 12 parts of beta hemihydrate gypsum, 0.01 part of silicon dioxide, 1 part of polycarboxylate water reducing agent, hydroxyethyl 0.1 part of base cellulose ether, 0.2 part of triethanolamine, 0.3 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.02 part of magnesium chloride, 0.07 part of calcium chloride, 0.05 part of iron chloride, 0.05 part of sodium metasilicate pentahydrate .
生物注浆剂的制备方法包括以下步骤：The preparation method of biological grouting agent comprises the following steps:
(1)将巴氏芽孢杆菌及枯草芽孢杆菌接种到斜面培养基上，于25-30℃培养36h，得活化的混合菌种；(1) Inoculate Bacillus Pasteurella and Bacillus subtilis on the slant medium, and cultivate at 25-30°C for 36 hours to obtain an activated mixed strain;
(2)将活化的混合菌种接种于培养基中培养，得到种子液；(2) the activated mixed bacterial classification is inoculated in the culture medium to obtain seed liquid;
所述培养基，按重量分数包括以下物质：蔗糖0.3份，葡萄糖15份，尿素0.5份，磷酸氢二钾5份，硫酸镁0.1份，水75份；The culture medium comprises the following substances by weight: 0.3 part of sucrose, 15 parts of glucose, 0.5 part of urea, 5 parts of dipotassium hydrogen phosphate, 0.1 part of magnesium sulfate, and 75 parts of water;
(3)发酵培养：将步骤(2)得到的种子液按6％的接种量接种发酵，得到发酵后的混合菌液；(3) fermentation culture: the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 6% to obtain the mixed bacterial liquid after fermentation;
(4)将步骤(3)得到的混合菌液与水混合得到生物注浆剂，混合菌液的添加量为5％。(4) Mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the addition amount of the mixed bacterial liquid is 5%.
实施例3Example 3
一种地基处理方法，其特征在于，所述方法包括以下步骤：A ground treatment method, characterized in that the method comprises the following steps:
1)在需要处理的地基上钻孔；1) Drill holes on the foundation to be treated;
2)通过注浆设备将调配好的化学注浆剂以及生物注浆剂注入至所述地基内；2) injecting the prepared chemical grouting agent and biological grouting agent into the foundation through grouting equipment;
3)在注入化学注浆剂以及生物注浆剂后通过深层搅拌机对注浆后的地基进行搅拌；3) After the chemical grouting agent and biological grouting agent are injected, the foundation after grouting is stirred by a deep mixer;
所述化学注浆剂，按重量分数包括以下物质：水泥熟料120份，铝酸钠0.03份，β半水石膏16份，二氧化硅0.02份，聚羧酸减水剂1份，羟乙基纤维素醚0.12份，三乙醇胺0.4份、木质素磺酸钙0.4份、氯化钠0.01份、氯化镁0.02份、氯化钙0.08份、氯化铁0.07份、五水偏硅酸钠0.06份。The chemical grouting agent includes the following substances by weight: 120 parts of cement clinker, 0.03 parts of sodium aluminate, 16 parts of beta hemihydrate gypsum, 0.02 parts of silicon dioxide, 1 part of polycarboxylate water-reducing agent, hydroxyethyl acetate 0.12 part of base cellulose ether, 0.4 part of triethanolamine, 0.4 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.02 part of magnesium chloride, 0.08 part of calcium chloride, 0.07 part of iron chloride, 0.06 part of sodium metasilicate pentahydrate .
生物注浆剂的制备方法包括以下步骤：The preparation method of biological grouting agent comprises the following steps:
(1)将巴氏芽孢杆菌及枯草芽孢杆菌接种到斜面培养基上，于25-30℃培养36h，得活化的混合菌种；(1) Inoculate Bacillus Pasteurella and Bacillus subtilis on the slant medium, and cultivate at 25-30°C for 36 hours to obtain an activated mixed strain;
(2)将活化的混合菌种接种于培养基中培养，得到种子液；(2) the activated mixed bacterial classification is inoculated in the culture medium to obtain seed liquid;
所述培养基，按重量分数包括以下物质：蔗糖0.3份，葡萄糖15份，尿素0.5份，磷酸氢二钾5份，硫酸镁0.1份，水75份；The culture medium comprises the following substances by weight: 0.3 part of sucrose, 15 parts of glucose, 0.5 part of urea, 5 parts of dipotassium hydrogen phosphate, 0.1 part of magnesium sulfate, and 75 parts of water;
(3)发酵培养：将步骤(2)得到的种子液按6％的接种量接种发酵，得到发酵后的混合菌液；(3) fermentation culture: the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 6% to obtain the mixed bacterial liquid after fermentation;
(4)将步骤(3)得到的混合菌液与水混合得到生物注浆剂，混合菌液的添加量为5％。(4) Mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the addition amount of the mixed bacterial liquid is 5%.
实施例4Example 4
一种地基处理方法，其特征在于，所述方法包括以下步骤：A ground treatment method, characterized in that the method comprises the following steps:
1)在需要处理的地基上钻孔；1) Drill holes on the foundation to be treated;
2)通过注浆设备将调配好的化学注浆剂以及生物注浆剂注入至所述地基内；2) injecting the prepared chemical grouting agent and biological grouting agent into the foundation through grouting equipment;
3)在注入化学注浆剂以及生物注浆剂后通过深层搅拌机对注浆后的地基进行搅拌；3) After the chemical grouting agent and biological grouting agent are injected, the foundation after grouting is stirred by a deep mixer;
所述化学注浆剂，按重量分数包括以下物质：水泥熟料130份，铝酸钠0.04份，β半水石膏20份，二氧化硅0.03份，聚羧酸减水剂2份，羟乙基纤维素醚0.2份，三乙醇胺0.5份、木质素磺酸钙0.5份、氯化钠0.01-0.03份、氯化镁0.03份、氯化钙0.09份、氯化铁0.08份、五水偏硅酸钠0.07份。The chemical grouting agent includes the following substances by weight: 130 parts of cement clinker, 0.04 parts of sodium aluminate, 20 parts of beta hemihydrate gypsum, 0.03 parts of silicon dioxide, 2 parts of polycarboxylate water reducing agent, ethyl acetate 0.2 part of base cellulose ether, 0.5 part of triethanolamine, 0.5 part of calcium lignosulfonate, 0.01-0.03 part of sodium chloride, 0.03 part of magnesium chloride, 0.09 part of calcium chloride, 0.08 part of ferric chloride, sodium metasilicate pentahydrate 0.07 servings.
生物注浆剂的制备方法包括以下步骤：The preparation method of biological grouting agent comprises the following steps:
(1)将巴氏芽孢杆菌及枯草芽孢杆菌接种到斜面培养基上，于25-30℃培养36h，得活化的混合菌种；(1) Inoculate Bacillus Pasteurella and Bacillus subtilis on the slant medium, and cultivate at 25-30°C for 36 hours to obtain an activated mixed strain;
(2)将活化的混合菌种接种于培养基中培养，得到种子液；(2) the activated mixed bacterial classification is inoculated in the culture medium to obtain seed liquid;
所述培养基，按重量分数包括以下物质：蔗糖0.3份，葡萄糖15份，尿素0.5份，磷酸氢二钾5份，硫酸镁0.1份，水75份；The culture medium comprises the following substances by weight: 0.3 part of sucrose, 15 parts of glucose, 0.5 part of urea, 5 parts of dipotassium hydrogen phosphate, 0.1 part of magnesium sulfate, and 75 parts of water;
(3)发酵培养：将步骤(2)得到的种子液按6％的接种量接种发酵，得到发酵后的混合菌液；(3) fermentation culture: the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 6% to obtain the mixed bacterial liquid after fermentation;
(4)将步骤(3)得到的混合菌液与水混合得到生物注浆剂，混合菌液的添加量为5％。(4) Mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the addition amount of the mixed bacterial liquid is 5%.
实施例5Example 5
一种地基处理方法，其特征在于，所述方法包括以下步骤：A ground treatment method, characterized in that the method comprises the following steps:
1)在需要处理的地基上钻孔；1) Drill holes on the foundation to be treated;
2)通过注浆设备将调配好的化学注浆剂以及生物注浆剂注入至所述地基内；2) injecting the prepared chemical grouting agent and biological grouting agent into the foundation through grouting equipment;
3)在注入化学注浆剂以及生物注浆剂后通过深层搅拌机对注浆后的地基进行搅拌；3) After the chemical grouting agent and biological grouting agent are injected, the foundation after grouting is stirred by a deep mixer;
所述化学注浆剂，按重量分数包括以下物质：水泥熟料120份，铝酸钠 0.03份，β半水石膏18份，二氧化硅0.02份，聚羧酸减水剂2份，羟乙基纤维素醚0.1份，三乙醇胺0.4份、木质素磺酸钙0.5份、氯化钠0.01份、氯化镁0.03份、氯化钙0.08份、氯化铁0.08份、五水偏硅酸钠0.06份。The chemical grouting agent includes the following substances by weight: 120 parts of cement clinker, 0.03 parts of sodium aluminate, 18 parts of beta hemihydrate gypsum, 0.02 parts of silicon dioxide, 2 parts of polycarboxylate water reducing agent, hydroxyethyl acetate 0.1 part of base cellulose ether, 0.4 part of triethanolamine, 0.5 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.03 part of magnesium chloride, 0.08 part of calcium chloride, 0.08 part of iron chloride, 0.06 part of sodium metasilicate pentahydrate .
生物注浆剂的制备方法包括以下步骤：The preparation method of biological grouting agent comprises the following steps:
(1)将巴氏芽孢杆菌及枯草芽孢杆菌接种到斜面培养基上，于25-30℃培养36h，得活化的混合菌种；(1) Inoculate Bacillus Pasteurella and Bacillus subtilis on the slant medium, and cultivate at 25-30°C for 36 hours to obtain an activated mixed strain;
(2)将活化的混合菌种接种于培养基中培养，得到种子液；(2) the activated mixed bacterial classification is inoculated in the culture medium to obtain seed liquid;
所述培养基，按重量分数包括以下物质：蔗糖0.4份，葡萄糖10份，尿素2份，磷酸氢二钾3份，硫酸镁0.2份，水78份；The culture medium comprises the following substances by weight: 0.4 parts of sucrose, 10 parts of glucose, 2 parts of urea, 3 parts of dipotassium hydrogen phosphate, 0.2 parts of magnesium sulfate, and 78 parts of water;
(3)发酵培养：将步骤(2)得到的种子液按5-7％的接种量接种发酵，得到发酵后的混合菌液；(3) fermentation culture: the seed liquid obtained in step (2) is inoculated and fermented according to the inoculum size of 5-7% to obtain the mixed bacterial liquid after fermentation;
(4)将步骤(3)得到的混合菌液与水混合得到生物注浆剂，混合菌液的添加量为2-5％。(4) Mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the added amount of the mixed bacterial liquid is 2-5%.
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that it can still be The technical solutions described in the foregoing embodiments are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (7)

  1. 一种地基处理方法，其特征在于，所述方法包括以下步骤：A ground treatment method, characterized in that the method comprises the following steps:
    1)在需要处理的地基上钻孔；1) Drill holes on the foundation to be treated;
    2)通过注浆设备将调配好的化学注浆剂以及生物注浆剂注入至所述地基内；2) injecting the prepared chemical grouting agent and biological grouting agent into the foundation through grouting equipment;
    3)在注入化学注浆剂以及生物注浆剂后通过深层搅拌机对注浆后的地基进行搅拌；3) After the chemical grouting agent and biological grouting agent are injected, the foundation after grouting is stirred by a deep mixer;
    所述化学注浆剂，按重量分数包括以下物质：水泥熟料100～150份，铝酸钠0.02～0.05份，β半水石膏12～28份，二氧化硅0.01～0.05份，聚羧酸减水剂1～3份，羟乙基纤维素醚0.1～0.3份，三乙醇胺0.2-0.5份、木质素磺酸钙0.3-0.6份、氯化钠0.01-0.05份、氯化镁0.02-0.05份、氯化钙0.07-0.09份、氯化铁0.05-0.08份、五水偏硅酸钠0.05～0.08份。The chemical grouting agent includes the following substances by weight fraction: 100-150 parts of cement clinker, 0.02-0.05 parts of sodium aluminate, 12-28 parts of beta hemihydrate gypsum, 0.01-0.05 parts of silicon dioxide, polycarboxylic acid 1-3 parts of water reducing agent, 0.1-0.3 part of hydroxyethyl cellulose ether, 0.2-0.5 part of triethanolamine, 0.3-0.6 part of calcium lignosulfonate, 0.01-0.05 part of sodium chloride, 0.02-0.05 part of magnesium chloride, 0.07-0.09 part of calcium chloride, 0.05-0.08 part of ferric chloride, and 0.05-0.08 part of sodium metasilicate pentahydrate.
  2. 根据权利要求1所述的方法，其特征在于，所述化学注浆剂，按重量分数包括以下物质：水泥熟料120～130份，铝酸钠0.03～0.04份，β半水石膏16～20份，二氧化硅0.02～0.03份，聚羧酸减水剂1～2份，羟乙基纤维素醚0.1～0.2份，三乙醇胺0.4-0.5份、木质素磺酸钙0.4-0.5份、氯化钠0.01-0.03份、氯化镁0.02-0.03份、氯化钙0.08-0.09份、氯化铁0.07-0.08份、五水偏硅酸钠0.06～0.07份。The method according to claim 1, wherein the chemical grouting agent comprises the following substances by weight fraction: 120-130 parts of cement clinker, 0.03-0.04 parts of sodium aluminate, 16-20 parts of beta hemihydrate gypsum parts, silica 0.02-0.03 parts, polycarboxylate water reducer 1-2 parts, hydroxyethyl cellulose ether 0.1-0.2 parts, triethanolamine 0.4-0.5 parts, calcium lignosulfonate 0.4-0.5 parts, chlorine 0.01-0.03 part of sodium chloride, 0.02-0.03 part of magnesium chloride, 0.08-0.09 part of calcium chloride, 0.07-0.08 part of ferric chloride, and 0.06-0.07 part of sodium metasilicate pentahydrate.
  3. 根据权利要求1所述的方法，其特征在于，所述化学注浆剂，按重量分数包括以下物质：水泥熟料120份，铝酸钠0.03份，β半水石膏18份，二氧化硅0.02份，聚羧酸减水剂2份，羟乙基纤维素醚0.1份，三乙醇胺0.4份、木质素磺酸钙0.5份、氯化钠0.01份、氯化镁0.03份、氯化钙0.08份、氯化铁0.08份、五水偏硅酸钠0.06份。The method according to claim 1, wherein the chemical grouting agent comprises the following substances by weight: 120 parts of cement clinker, 0.03 parts of sodium aluminate, 18 parts of beta hemihydrate gypsum, and 0.02 parts of silicon dioxide parts, 2 parts of polycarboxylate water reducing agent, 0.1 part of hydroxyethyl cellulose ether, 0.4 part of triethanolamine, 0.5 part of calcium lignosulfonate, 0.01 part of sodium chloride, 0.03 part of magnesium chloride, 0.08 part of calcium chloride, chlorine 0.08 part of iron oxide, 0.06 part of sodium metasilicate pentahydrate.
  4. 根据权利要求1所述的方法，其特征在于，所述生物注浆剂的制备方法包括以下步骤：The method according to claim 1, wherein the preparation method of the biological grouting agent comprises the following steps:
    (1)将巴氏芽孢杆菌及枯草芽孢杆菌接种到斜面培养基上，于25-30℃培养36h，得活化的混合菌种；(1) Inoculate Bacillus Pasteurella and Bacillus subtilis on the slant medium, and cultivate at 25-30°C for 36 hours to obtain an activated mixed strain;
    (2)将活化的混合菌种接种于培养基中培养，得到种子液；(2) the activated mixed bacterial classification is inoculated in the culture medium to obtain seed liquid;
    所述培养基，按重量分数包括以下物质：蔗糖0.3-0.5份，葡萄糖5-15份，尿素0.5-2.8份，磷酸氢二钾1-5份，硫酸镁0.1-0.3份，水60-80份；The culture medium comprises the following substances by weight: 0.3-0.5 parts of sucrose, 5-15 parts of glucose, 0.5-2.8 parts of urea, 1-5 parts of dipotassium hydrogen phosphate, 0.1-0.3 parts of magnesium sulfate, 60-80 parts of water share;
    (3)发酵培养：将步骤(2)得到的种子液按5-7％的接种量接种发酵，得到发酵后的混合菌液；(3) fermentation culture: the seed liquid obtained in step (2) is inoculated and fermented at an inoculum size of 5-7% to obtain a mixed bacterial liquid after fermentation;
    (4)将步骤(3)得到的混合菌液与水混合得到生物注浆剂，混合菌液的添加量为2-5％。(4) mixing the mixed bacterial liquid obtained in step (3) with water to obtain a biological grouting agent, and the added amount of the mixed bacterial liquid is 2-5%.
  5. 根据权利要求4所述的方法，其特征在于，所述培养基，按重量分数包括以下物质：蔗糖0.4份，葡萄糖10份，尿素2份，磷酸氢二钾3份，硫酸镁0.2份，水78份。The method according to claim 4, wherein the culture medium comprises the following substances by weight: 0.4 parts of sucrose, 10 parts of glucose, 2 parts of urea, 3 parts of dipotassium hydrogen phosphate, 0.2 parts of magnesium sulfate, water 78 servings.
  6. 根据权利要求4所述的方法，其特征在于，步骤(3)具体为：The method according to claim 4, wherein step (3) is specifically:
    将步骤(2)得到的种子液按5份的接种量于37℃恒温培养；The seed liquid obtained in step (2) is cultivated at a constant temperature of 37°C according to the inoculum size of 5 parts;
    所述发酵培养基，按重量分数包括以下物质：蔗糖10-15份，葡萄糖3-18份，乙酸钠0.5-2.5份，尿素0.5-2.5份，磷酸氢二钾1-3份，硫酸镁0.01-0.05份，水60-80份。The fermentation medium comprises the following substances by weight: 10-15 parts of sucrose, 3-18 parts of glucose, 0.5-2.5 parts of sodium acetate, 0.5-2.5 parts of urea, 1-3 parts of dipotassium hydrogen phosphate, 0.01 part of magnesium sulfate -0.05 parts, 60-80 parts water.
  7. 根据权利要求4所述的方法，其特征在于，所述步骤(4)具体为：The method according to claim 4, wherein the step (4) is specifically:
    混合菌液的添加量为3％。The addition amount of the mixed bacterial liquid was 3%.
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