Modified glutinous rice mortar for perfusion and preparation method of modified glutinous rice mortar

A glutinous rice mortar and modification technology, applied in the field of building materials, can solve the problems of complex preparation process, slow curing, large shrinkage, etc., and achieve the effects of simplifying the preparation process, reducing the shrinkage rate, and reducing the water demand

Active Publication Date: 2015-03-04
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a modified glutinous rice mortar for pouring and a preparation method thereof. The glutinous rice mortar solves the problems of complex preparation process, slow curing, large shrinkage and low strength of the traditional glutinous rice mortar, and provides a method for the protection and maintenance of cultural relics. A new type of grouting reinforcement material

Method used

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  • Modified glutinous rice mortar for perfusion and preparation method of modified glutinous rice mortar
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  • Modified glutinous rice mortar for perfusion and preparation method of modified glutinous rice mortar

Examples

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Effect test

Embodiment 1

[0034] 1. Preparation of glutinous rice mortar

[0035] Weigh 100 parts with a purity of 95% and an apparent density of 0.72g / cm 3 , The specific surface area is 10.68m 2 / g of calcium hydroxide, 300 parts of calcium carbonate with a particle size of 0.1-1mm, 10 parts of metakaolin with pozzolanic activity, 5 parts of amylopectin with a content of 92%, and an apparent density of 0.17g / cm 3 Pre-gelatinized glutinous rice flour and 1 part of French Eisen C-SP polycarboxylate superplasticizer, mix the dry material at a stirring speed of 500rpm for 5 minutes, add 95 parts of water, and stir at a speed of 1500rpm for 8 minutes until the slurry is evenly mixed. Get sticky rice mortar.

[0036] 2. Inspection of the performance of glutinous rice mortar

[0037] Pour the slurry into the test mold, and after casting, move to an environment with a temperature of 25±10°C and a relative humidity of 60±20% for curing. During the maintenance process, the bottom of the test block must not...

Embodiment 2

[0043] 1. Preparation of glutinous rice mortar

[0044] Weigh 100 parts with a purity of 95% and an apparent density of 0.72g / cm 3 , The specific surface area is 10.68m 2 / g of calcium hydroxide, 220 parts of calcium carbonate with a particle size of 0.1-1mm, 54 parts of metakaolin with pozzolanic activity, 18 parts of amylopectin with a content of 92%, and an apparent density of 0.17g / cm 3 Pre-gelatinized glutinous rice flour and 1 part of French Eisen C-SP polycarboxylate superplasticizer, mix the dry material at a stirring speed of 500rpm for 5 minutes, add 150 parts of water, and stir at a speed of 1500rpm for 8 minutes until the slurry is evenly mixed. Get sticky rice mortar.

[0045] 2. Inspection of the performance of glutinous rice mortar

[0046] Pour the slurry into the test mold, and after casting, move to an environment with a temperature of 25±10°C and a relative humidity of 60±20% for curing. During the maintenance process, the bottom of the test block must n...

Embodiment 3

[0052] 1. Preparation of glutinous rice mortar

[0053] Weigh 100 parts with a purity of 95% and an apparent density of 0.72g / cm 3 , The specific surface area is 10.68m 2 / g of calcium hydroxide, 400 parts of calcium carbonate with a particle size of 0.1-1mm, 5 parts of metakaolin with pozzolanic activity, 18 parts of amylopectin with a content of 92%, and an apparent density of 0.17g / cm 3 Pre-gelatinized glutinous rice flour and 1 part of French Eisen C-SP polycarboxylate superplasticizer, mix the dry material at a stirring speed of 500rpm for 5 minutes, add 80 parts of water, and stir at a speed of 1500rpm for 8 minutes until the slurry is evenly mixed. Get sticky rice mortar.

[0054] 2. Inspection of the performance of glutinous rice mortar

[0055] Pour the slurry into the test mold, and after casting, move to an environment with a temperature of 25±10°C and a relative humidity of 60±20% for curing. During the maintenance process, the bottom of the test block must not...

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Abstract

The invention discloses modified glutinous rice mortar for perfusion and a preparation method of the modified glutinous rice mortar. The glutinous rice mortar comprises the following raw materials in parts by weight: 100 parts of calcium hydroxide powder, 220-400 parts of calcium carbonate particles, 5-54 parts of metakaolin, 5-18 parts of pre-gelatinized glutinous rice powder, 0.5-1.5 parts of a water-reducing agent and 80-150 parts of water. By adopting the modified glutinous rice mortar for perfusion, the problems of complicated preparation process, slow curing, great shrinkage and relatively low strength of traditional glutinous rice mortar are solved and a novel grouting and reinforcing material is provided for protection and maintenance of heritage.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a modified glutinous rice mortar for pouring and a preparation method thereof. Background technique [0002] Glutinous rice mortar is an important scientific and technological invention in the history of ancient Chinese architecture. It has the advantages of good durability, high self-strength and bonding strength, strong toughness, and good impermeability. It is widely used in ancient Chinese architecture. played an important role in history. According to archaeological results, glutinous rice mortar was mainly used in important facilities such as tombs, urban construction and water conservancy projects in ancient times. [0003] The traditional mortar represented by glutinous rice mortar is a masterpiece in the history of ancient lime-based building cementitious materials in China and even in the world. Its appearance has achieved the glory of ancient Chinese archit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10C04B111/70C04B24/38
Inventor 杨涛张秉坚
Owner ZHEJIANG UNIV
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