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Slurry modifying agent and engineering slurry modifying method

A modifier and mud technology, which is applied in the field of mud modifier and engineering mud modification, can solve problems such as pipeline blockage, poor construction site environment, and tank trucks that cannot meet the construction progress requirements.

Inactive Publication Date: 2018-01-12
福建润土工程科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This processing method is primitive and backward, which has caused many problems
First, the cost is high and the efficiency is low. When the construction is tense, the day and night transportation of tank trucks cannot meet the construction progress requirements
Second, the environment at the construction site is harsh, and muddy water is overflowing, making it difficult to get in. The engineering team often suffers huge fines due to muddy water leaking into the sewer and causing pipeline blockage
In addition, tank trucks often pollute the city environment due to mud water leaking on the urban arterial roads during transportation.

Method used

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  • Slurry modifying agent and engineering slurry modifying method
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  • Slurry modifying agent and engineering slurry modifying method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Preparation of mud modifier:

[0035] Weigh waste incineration plant slag, S95 granulated blast furnace slag, CL90 quicklime, P.O.42.5R ordinary Portland cement, activator, and its weight percentage is respectively 40%, 20%, 13%, 25%, 2%, and the above The proportioned raw materials are mixed, and then put into an oven and dried at 60° C. for 4 hours to obtain a mud modifier.

[0036] Preparation of silt improved soil after slurry pretreatment:

[0037] Weigh 5Kg of the mud modifier powder prepared above and 50kg of the dried mud with a water content of 80% and pour it into a mixer to mix and mix evenly. After 24 hours of stuffing, prepare a test piece and compact it. , maintained in the curing box for 28 days.

Embodiment 2

[0039] Preparation of mud modifier:

[0040] Weigh waste incineration plant slag, S95 granulated blast furnace slag, CL90 quicklime, P.O.42.5R ordinary Portland cement, activator, and the weight percentage of thickener is 35%, 24%, 12%, 27%, and 1% respectively , 1% Mix the raw materials in the above ratio, and then put them into an oven and dry them at 60°C for 4 hours to obtain the modifier powder.

[0041] Preparation of silt improved soil after slurry pretreatment:

[0042] Weigh 6Kg of the mud modifier powder prepared above and 50kg of the dried mud with a water content of 90%, pour it into the mixer and mix it evenly, and stuff it for 12 hours to prepare the test piece and compact it Formed and cured for 10 days in a curing box.

Embodiment 3

[0044] Preparation of mud modifier:

[0045] Weigh waste incineration plant slag, S95 granulated blast furnace slag, CL90 quicklime, P.O.42.5R ordinary Portland cement, sodium silicate, and activator, and their weight percentages are 37%, 20%, 15%, 25%, and 3% respectively Mix the raw materials in the above ratio, and then put them into an oven and dry them at 60°C for 4 hours to obtain the modifier powder.

[0046] Preparation of silt improved soil after slurry pretreatment:

[0047] Weigh 4Kg of the mud modifier powder prepared above and 50kg of the dried mud with a water content of 75%, pour it into the mixer and mix it evenly, then stuff it, prepare the test piece, and compact it. Cultivate in a curing box.

[0048] Table 1 The mud modifier raw material composition unit prepared by the embodiment of the present invention: weight percentage (%)

[0049]

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Abstract

The invention provides a slurry modifying agent. A small number of exciting agents are used for exciting the activity of ore slag and sludge; in addition, waterborne bonding agents such as cement andlime are mixed for replacing the conventional water hardening curing materials; mixed furnace is used for grading silt slurry soil particles, so that the intensity reaches the engineering soil requirements. The invention also provides an engineering slurry modifying method. Solid waste material of the ore slag, furnace slag and the like are used as major materials of the slurry modifying agent; the production and processing cost is low; the cut concretion water-resistant performance is good; argillization cannot easily occur; the intensity is high; the high popularization and use value are realized.

Description

technical field [0001] The invention relates to the technical field of chemical engineering, in particular to a mud modifier and a modification method for engineering mud. Background technique [0002] Piling mud water is a suspended liquid containing a certain amount of fine mud particles in water. It has a certain viscosity and is difficult to separate after a long period of standing. In the pile foundation engineering of urban building construction, mud water plays an important role in protecting the well wall, but the treatment of excess mud water has always been a problem that plagues engineering construction. [0003] The current treatment method is to transport the on-site muddy water to the suburban garbage dump with tank trucks, and let it dry naturally. This processing method is primitive and backward, and has caused many problems. First, the cost is high and the efficiency is low. When the construction is tense, the day and night transportation of tank trucks ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/12C02F11/00
Inventor 倪晨曦夏昌梁英杰
Owner 福建润土工程科技有限公司
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