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Reinforcing material and reinforcing method of liquid water hydraulicity earthen site

A technology for reinforcing materials and soil relics, which is applied in the field of reinforcement materials and reinforcement for liquid hydraulic soil relics. It can solve the problems of limited life, poor compatibility, and easy shelling of organic matter, and achieve long service life and good compatibility. , will not mildew effect

Inactive Publication Date: 2008-12-24
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the compatibility between organic materials and the soil itself is often not good, and they are easy to crack, and some of them will go moldy in humid environments, which will affect the appearance of cultural relics; in addition, the lifespan of organic materials is always very limited.
(3) Cement-based reinforcement materials. Cement has good reinforcement strength, but the cement contains a lot of salt and is too alkaline; and it is a paste when used, which cannot be infiltrated for reinforcement. These characteristics determine that it cannot be directly used for earthen sites. hardened protection

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Dissolve 3.0 grams of calcium oxide and 0.2 grams of calcium lignosulfonate in 60.0 grams of ethylene glycol, mix well to prepare a calcium source solution; dilute potassium silicate with a modulus of 4.0 with water to form a silicon source solution with a concentration of 3.5%. First take 23.0 grams of the above-mentioned calcium source solution to infiltrate the blank sample, and then infiltrate it again with 15.0 grams of the above-mentioned silicon source solution after 4 hours. After standing in the natural environment at room temperature for 15 days, the uniaxial compressive strength of the sample is measured to be 0.55 Mpa, water immersion test for one week without any disintegration.

[0022] The control experiment 1 of embodiment 1:

[0023] Take a blank sample for uniaxial compressive strength measurement, and the compressive strength is 0.22Mpa; the immersion resistance test shows that it disintegrates immediately when put in water.

[0024] The control expe...

Embodiment 2

[0030] Same as Example 1, except that the consumption of calcium oxide is reduced to 0.5 g, and the concentration of potassium silicate in the silicon source solution is reduced to 0.6%. The measured uniaxial compressive strength of the sample was 0.32Mpa; cracks appeared on the surface of the sample after 2 days of water immersion test, and disintegrated after 3 days.

[0031] The control experiment 1 of embodiment 2:

[0032]Same as Example 2, except that the amount of calcium oxide is 1.0 grams, the concentration of potassium silicate in the silicon source solution is 1.2%, and the uniaxial compressive strength of the sample is 0.35Mpa; cracks appear on the surface of the sample after 3 days of water-resistant soaking test , disintegrated after 5 days.

[0033] The control experiment 2 of embodiment 2:

[0034] Same as Example 2, except that the amount of calcium oxide is 1.5 grams, the concentration of potassium silicate in the silicon source solution is 1.8%, and the un...

Embodiment 3

[0039] Same as Example 1, except that the amount of calcium oxide is 2.5 grams, the concentration of potassium silicate in the silicon source solution is 2.7%, and the mass ratio of calcium oxide to potassium silicate is 2.7. The measured uniaxial compressive strength of the sample is 0.52Mpa; there is no disintegration in the water immersion test for one week.

[0040] The control experiment 1 of embodiment 3:

[0041] Same as Example 3, except that the mass of calcium oxide is 2.0 grams, and the concentration and amount of potassium silicate in the silicon source solution remain unchanged. At this time, the mass ratio of calcium oxide to potassium silicate is 2.2. The measured uniaxial compressive strength of the sample is 0.43Mpa; there is no disintegration in the water immersion test for one week.

[0042] The control experiment 2 of embodiment 3:

[0043] Same as Example 3, except that the quality of calcium oxide is 1.5 grams, the concentration and amount of potassium ...

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Abstract

The invention provides a liquid water hard soil ancient site reinforcement material. A calcium source solution and a silicon source solution are prepared by calcium compound, active silicon dioxide, an ethanol solvent and a surface active agent; the method for reinforcing the oil ancient site by adopting the reinforcement material comprises the following steps that: the calcium source solution and the silicon source solution permeate the soil body, and then the ethanol solvent is displaced by water to cause the water rigidity reaction so that the cementation component such as calcium silicate is generated and the reinforcement of the soil ancient site is realized. The soil ancient site reinforcement material has raw materials available easily, moderate preparation conditions, simple and convenient use method, evident reinforcement effect, can stand the immersion of water, has good compatibility with the soil body and does not pollute the environment.

Description

technical field [0001] The invention belongs to the technical field of cultural relics protection, and in particular relates to a reinforcement material and a reinforcement method for a liquid hydraulic soil ruins. Background technique [0002] Earthen ruins are relics of production and life in a specific period left by the ancestors. They carry important historical and cultural information and are of great value to the study of ancient culture. However, due to the particularity of the soil, such as efflorescence, easy weathering, water disintegration and biological growth, etc., earthen ruins are one of the most difficult cultural relics to protect. Due to the lack of effective protection materials and technologies, many important earthen sites are rapidly disappearing, such as some ancient city sites, the ancient Great Wall and beacon towers in the northwest of my country; some earthen architectural relics in the south, etc. [0003] At present, the methods of conservatio...

Claims

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Application Information

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IPC IPC(8): C09K17/40C09K105/00
Inventor 张秉坚杨富巍潘昌初
Owner ZHEJIANG UNIV
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