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Hill sand inorganic grouting material, preparation and construction method thereof

A construction method and grouting material technology, applied in the field of building grouting materials, can solve the problems of high temperature resistance of cementitious materials, complex construction process, poor durability, etc., and achieve the effects of low cost, good durability and good fluidity

Inactive Publication Date: 2011-04-13
CHINA CONSTR FOURTH ENG DIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The invention provides a kind of mountain sand inorganic grouting material and its preparation method and construction method. It is necessary to solve the technical problems of existing cementing materials such as low temperature resistance, poor durability, poor fire resistance, and complicated construction technology; and solve the problem of using mountain sand to prepare inorganic grouting. material technical issues

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  • Hill sand inorganic grouting material, preparation and construction method thereof
  • Hill sand inorganic grouting material, preparation and construction method thereof
  • Hill sand inorganic grouting material, preparation and construction method thereof

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Embodiment

[0039] Embodiment: a kind of mountain sand inorganic grouting material, including sand, cementitious material and admixture, it is characterized in that: the above-mentioned sand is finely ground mountain sand, the above-mentioned cementitious material is cement and phosphate rock powder, and the above-mentioned admixture is an expansion agent and water reducing agent, the above materials are formulated according to the following weight ratio:

[0040] 1 part finely ground mountain sand;

[0041] 1 part of cement;

[0042] Phosphate rock powder 0.02~0.04 parts;

[0043] Expanding agent 0.07~0.10 parts;

[0044] Water reducing agent 0.007~0.010 parts.

[0045] The raw material performance index that the present invention adopts is as follows:

[0046] The above-mentioned ground mountain sand has a particle diameter of 2.5 mm or less.

[0047] The above cement is 42.5 ordinary Portland cement, sulphoaluminate cement or slag cement.

[0048] Cement inspection results

[00...

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Abstract

The invention discloses a hill sand inorganic grouting material, a preparation method and a construction method thereof. The sand in the hill sand inorganic grouting material is grinding hill sand, the cementing material is mixture of cement and rock phosphate, the admixture is mixture of expansion agent and water reducing agent. The hill sand inorganic grouting dry material is formed by 1 weightpart of grinding hill sand, 1 weight part of cement, 0.02-0.04 weight part of rock phosphate, 0.07-0.10 weight part of expansion agent, 0.007-0.010 weight part of water reducing agent. In the construction site, the hill sand inorganic grouting material is prepared by firstly pouring 13-15% of water accounting for the total weight of the grouting dry material into a mixing container, then slowly adding the hill sand inorganic grouting dry material into the mixing container, uniformly mixing the materials after fully stirred. After a base plane cleaning, a template is installed, then the hill sand inorganic grouting material is injected into the structure without vibration. The method of the invention solves the technology problems of intolerant high temperature, weak durability, weak flameresistance of the cementing material and complicated construction technology in the prior art.

Description

technical field [0001] The invention relates to a building grouting material, a preparation method and a construction method thereof. Background technique [0002] With the development of urban construction, more and more structural designers encounter the reinforcement design of concrete structures. Usually, the reinforced structure is a secondary stress structure, and there are strain lag and stress advance problems in the old and new parts. Before reinforcement, the component is already under stress due to its own weight and other loads. After reinforcement, the additional part is not stressed. It is only when the load continues to increase that the additional part is gradually stressed. The old and new parts rely on the joint surface. Under the action of the reinforced material, the effective transmission of shear force and work together, the stress level of the added part lags behind the original component. The load continues to increase, the original structure reaches...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00C04B14/06C04B7/14
CPCY02P40/10
Inventor 帅颂宪
Owner CHINA CONSTR FOURTH ENG DIV
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