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Adhesive material for restoration of ancient architecture of masonry structure and preparation method

A technology of masonry structure and bonding material, applied in the field of building materials, can solve the problems of slow curing speed, poor dry shrinkage resistance, insufficient building compressive strength, etc., and achieve the effect of good compatibility

Inactive Publication Date: 2017-01-11
重庆市第十一中学校
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the past 100 years, with the introduction of modern cement, the traditional glutinous rice mortar with complicated process and slow curing speed has withdrawn from the construction market because it is difficult to adapt to the requirements of modern construction projects.
However, in the field of ancient building restoration, problems such as salt precipitation of cement, life expectancy, and incompatibility with the ancient building itself frequently appear. Therefore, the use of traditional glutinous rice mortar to restore ancient buildings has been recalled, but if you directly use glutinous rice mortar to restore Ancient buildings will have defects such as insufficient compressive strength and poor drying shrinkage resistance. Therefore, it is necessary to develop a cement mortar that can not only achieve the compressive strength of modern cement mortar, but also be well compatible with ancient buildings and will not Special adhesive materials for ancient buildings with problems such as salt precipitation

Method used

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  • Adhesive material for restoration of ancient architecture of masonry structure and preparation method

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Embodiment 1, finished product I, a kind of bonding material for repairing ancient buildings with masonry structure, is made up of the following materials in parts by mass: 45 parts of gel material, 15 parts of fine aggregate, 5 parts of reinforcing material, 0.6 part of water-reducing agent, 0.5 parts of antifreeze and 16 parts of water; calculated in parts by mass, the gel material is composed of 15 parts of glutinous rice porridge, 5 parts of lime, 5 parts of gypsum and 8 parts of clay; calculated in parts by mass, the fine The aggregate is composed of 5 parts of natural sand, 10 parts of coal ash and 25 parts of slag; calculated in parts by mass, the reinforcing material is composed of 35 parts of hemp knife, 7 parts of pulp, 2 parts of rice bran and 3 parts of bamboo fiber.

[0035] The water reducer is sodium lignosulfonate water reducer, the natural sand is sea sand, the fineness modulus of the sea sand is 2.2, the particle size of the slag is 0.6 mm, and the anti...

Embodiment 2

[0049] Embodiment 2, finished product II, a kind of bonding material for repairing ancient buildings with masonry structure, consists of the following materials in parts by mass: 65 parts of gel material, 25 parts of fine aggregate, 10 parts of reinforcing material, 1.5 parts of water reducing material agent, 1.2 parts of antifreeze and 28 parts of water; calculated in parts by mass, the gel material is composed of 38 parts of glutinous rice porridge, 12 parts of lime, 12 parts of gypsum and 13 parts of clay; calculated in parts by mass, the fine The aggregate is composed of 12 parts of natural sand, 25 parts of coal ash and 40 parts of slag; calculated in parts by mass, the reinforcing material is composed of 46 parts of hemp knife, 13 parts of pulp, 6 parts of rice bran and 7 parts of bamboo fiber.

[0050] The water reducer is a polycarboxylate water reducer, the natural sand is sea sand, the fineness modulus of the sea sand is 2.5, the particle diameter of the slag is 0.8 m...

Embodiment 3

[0064] Embodiment 3, finished product III, a kind of bonding material for repairing ancient buildings with masonry structure, consists of the following materials in parts by mass: 55 parts of gel material, 20 parts of fine aggregate, 7 parts of reinforcing material, 1 part of water reducing material agent, 1 part of antifreeze and 22 parts of water; calculated in parts by mass, the gel material is composed of 27 parts of glutinous rice porridge, 8 parts of lime, 7 parts of gypsum and 10 parts of clay; calculated in parts by mass, the fine The aggregate is composed of 7 parts of natural sand, 18 parts of coal ash and 33 parts of slag; calculated by mass parts, the reinforcing material is composed of 40 parts of hemp knife, 10 parts of pulp, 4 parts of rice bran and 5 parts of bamboo fiber.

[0065] The water reducer is a mixture of sodium lignosulfonate water reducer and polycarboxylate water reducer in a ratio of 1:1, the natural sand is sea sand, and the fineness modulus of th...

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Abstract

The invention discloses an adhesive material for restoration of an ancient architecture of a masonry structure. The material is prepared from, by mass, 45-65 parts of gel material, 15-25 parts of fine aggregate, 5-10 parts of reinforcing materials, 0.6-1.5 parts of water reducer, 0.5-1.2 parts of anti-freezing agent and 16-28 parts of water. The material has the advantages that glutinous rice and lime slurry composed of glutinous rice, lime and gypsum serves as the main gel material, compatibility of the material and the ancient architecture is good, salt separation and other problems caused by using mortar made from cement do not occur, and the situation that compressive strength of a pure glutinous rice and lime slurry adhesive material may not be insufficient is taken into consideration, so the reinforcing materials mainly made of hemp are specially added. The adopted reinforcing materials are natural materials, the ancient architecture is not damaged, and compatibility of the material and the ancient architecture is good. Besides, the fine aggregate mainly made of slag and coal ash is added as a supporting material, the materials come from industrial waste, the waste is used again, and the requirements for environment protection and economy are met.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an adhesive material for repairing ancient masonry buildings and a preparation method thereof. Background technique [0002] About 1500 years ago, ancient construction workers invented glutinous rice mortar by mixing glutinous rice soup with mortar in proportion. After modern scientific and technological research, the process of building city walls with glutinous rice mortar is scientific. Glutinous rice contains 100% amylopectin, and its branch points are not easy to cut off. The chemical composition of lime is calcium hydroxide, which is formed after absorbing carbon dioxide for a long time The combination of the two can effectively improve the strength of the building. [0003] In the past 100 years, with the introduction of modern cement, the traditional glutinous rice mortar with complicated process and slow curing speed has withdrawn from the construction market...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/28C04B111/72
CPCC04B26/28C04B2111/00637C04B2111/72C04B14/068C04B18/08C04B18/142C04B18/24C04B24/38C04B22/10C04B22/143C04B22/08C04B2103/601
Inventor 倪志军钟进友吕清全伍贤玲刘文春叶长春段成明倪明倪玙倪文政李继吴凡
Owner 重庆市第十一中学校
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