Saline soil curing agent and technical applications thereof

A curing agent and saline soil technology, applied in the field of engineering construction, can solve the problems of waste of building materials, environmental hazards, large resources, etc., and achieve the effects of low cost, strong resistance to disintegration, and simple construction technology

Inactive Publication Date: 2008-10-22
凌贤长 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditionally, firing and other methods are used to manufacture building materials, which consumes a lot of resources; in addition, the construction waste generated during construction is not only a waste of some building materials, but also causes certain harm to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 1. According to the weight ratio, it is 17-22 parts of a mixture of dicalcium silicate, tricalcium silicate and magnesium silicate in a ratio of 2:3:4, and 2 parts of monocalcium aluminate, tricalcium aluminate and heptaaluminate dodecacalcium : 20-30 parts of a 5:3 mixture, 18-22 parts of a 3:5 mixture of tetracalcium aluminoferrite and calcium aluminoferrate, and the sulfate is a 3:3:4 mixture of aluminum sulfate, calcium sulfate and sodium sulfate 10 -15 parts, 15-20 parts of barium calcium sulfoaluminate, 4:3:2 mixture of calcium sulfoaluminate and tetracalcium sulfoaluminate, 8-13 parts of silicon dioxide, sodium chloride, magnesium chloride and aluminum trichloride 3-7 parts of the 2:4:3 mixture of aluminum oxide and 2-4 parts of the 5:2 mixture of alumina and magnesia. Mix various raw materials evenly to prepare the saline soil curing agent.

[0020] 2. Use the solidifying agent of this embodiment to solidify the saline soil and strengthen the foundation. Materi...

Embodiment 2

[0022] 1. According to the weight ratio, 20 parts of a mixture of dicalcium silicate, tricalcium silicate and magnesium silicate in a ratio of 2:3:4, and a mixture of monocalcium aluminate, tricalcium aluminate and dodecacalcium heptaaluminate in a ratio of 2:4 : 21 parts of 3 mixture, 20 parts of a 4:5 mixture of tetracalcium aluminoferrite and calcium aluminoferrate, 8 parts of a 3:3:4 mixture of aluminum sulfate, calcium sulfate and sodium sulfate, barium sulfoaluminate 16 parts of a 4:3:3 mixture of calcium, calcium sulfoaluminate and tetracalcium sulfoaluminate, 10 parts of silicon dioxide, 3 parts of a 3:4:3 mixture of sodium chloride, magnesium chloride and aluminum trichloride, oxide A 3:2 mixture of alumina and magnesia in a ratio of 2 parts Mix various raw materials evenly to make a saline soil curing agent.

[0023] 2. Use the solidifying agent of this embodiment to solidify solid construction waste, produce non-fired building blocks, and the like. Material ratio: ...

Embodiment 3

[0025] The configuration of the curing agent in this embodiment is the same as that in Embodiment 1 or 2, except that the curing agent in this embodiment is used to prepare the clay curing slurry for grouting materials. Material ratio: 80-90 parts of clay or silt, 10-20 parts of curing agent, 0.8-1 ratio of water to material. Various clay, silt, bentonite, loess, silt, sea soil, etc. are used to make pulp on the spot. Technical properties of slurry: no water separation, gel expansion, 100% stone rate, good fluidity and plugging performance, strong anti-dilution, high water absorption, large and controllable initial viscosity, short and controllable gelation time, The early strength rises quickly and is controllable, and it is easy to penetrate into bedrock cracks, coarse-grained soil, backfill soil, and plowed soil and solidify quickly; the stone body has strong earthquake resistance, good frost resistance, long durability, dense and high strength, and The compressive strengt...

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Abstract

The invention provides a saline soil curing agent and a method for applying the same in engineering. The mixture ratio of raw materials of the curing agent in portion by weight is: 17-22 portions of silicate, 20-30 portions of aluminate, 18-22 portions of ferrous aluminate, 10-15 portions of sulphate, 8-13 portions of silicon dioxide, 15- 20 portions of sulpho-aluminate, 3-7 portions of chloride and 2-4 portions of oxide. The saline soil curing agent is formed by mixing a plurality of natural mineral materials and inorganic substances. The production process of the curing agent is simple mechanical mixture, and the production cost is low. Powder solids which meet granularity requirements and are very extensive in source are adopted as the raw materials. Products of the invention are off-white powder solids, have the fineness degree over 200 mesh, are scentless and nontoxic, and have the shelf life of 18 months under dry conditions.

Description

(1) Technical field [0001] The invention relates to engineering construction technology, in particular to a curing agent. (2) Background technology [0002] Saline soil is a kind of poor foundation soil with extremely poor engineering performance, which has many engineering hazards. At present, passive engineering measures are generally used to improve the engineering performance of saline soil, but seldom carry out effective curing and engineering treatment of saline soil from the perspective of chemical mechanism. The traditional method of improving saline soil engineering performance not only consumes a lot of resources, but also cannot cure the hazards of saline soil engineering. Common grouting materials such as cement clay slurry and cement slurry sometimes fail to achieve the purpose of anti-seepage reinforcement due to performance defects. The technical performance needs to be improved and the cost of admixtures is required to be low. Traditionally, firing and othe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D3/12C09K17/12
Inventor 凌贤长唐亮
Owner 凌贤长
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