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Process for using latter admixing method to produce green concrete

A technology of concrete and post-mixing, which is applied in the direction of sustainable waste treatment, solid waste management, and climate sustainability. It can solve the problems of long setting time and low activity, and achieve fast setting time, stable quality and long service life. Effect

Active Publication Date: 2016-03-23
ZHEJIANG TIANLI NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it still has the disadvantages of low activity and long solidification time

Method used

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  • Process for using latter admixing method to produce green concrete

Examples

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Effect test

Embodiment 1

[0028] A method for producing green concrete with post-mixing method, characterized in that the steps are as follows:

[0029] (1) Prepare concrete admixture:

[0030] Add polyether macromonomer and sulfonate in water, raise the temperature to 60°C, sulfonate for half an hour, add the initiator, add acrylic acid monomer dropwise while stirring, control the dropping time at 45 minutes, keep the temperature for one hour after dropping, and cool down To 45°C, add alcohol amine dropwise, the dropping time is controlled at 50 minutes, and the finished product is finished at a constant temperature of 50°C for one hour;

[0031] The mass ratio of described sulfonate and polyether macromonomer is 1:3,

[0032] The mass ratio of described initiator and polyether macromonomer is 1:2.5;

[0033] Prepare an environmentally friendly colorless transparent liquid concrete admixture;

[0034] (2) Preparation of modified oil palm husk ash:

[0035] Grind the remaining raw ash after the bur...

Embodiment 2

[0043] A method for producing green concrete with post-mixing method, characterized in that the steps are as follows:

[0044] (1) Prepare concrete admixture:

[0045] Add polyether macromonomer and sulfonate in water, raise the temperature to 60°C, sulfonate for half an hour, add the initiator, add acrylic acid monomer dropwise while stirring, control the dropping time at 45 minutes, keep the temperature for one hour after dropping, and cool down To 45°C, add alcohol amine dropwise, the dropping time is controlled at 50 minutes, and the finished product is finished at a constant temperature of 50°C for one hour;

[0046] The mass ratio of described sulfonate and polyether macromonomer is 1:3,

[0047] The mass ratio of described initiator and polyether macromonomer is 1:2.5;

[0048] Prepare an environmentally friendly colorless transparent liquid concrete admixture;

[0049] (2) Preparation of modified oil palm husk ash:

[0050] Grind the remaining raw ash after burning...

Embodiment 3

[0058] A method for producing green concrete with post-mixing method, characterized in that the steps are as follows:

[0059] (1) Prepare concrete admixture:

[0060] Add polyether macromonomer and sulfonate in water, raise the temperature to 60°C, sulfonate for half an hour, add the initiator, add acrylic acid monomer dropwise while stirring, control the dropping time at 45 minutes, keep the temperature for one hour after dropping, and cool down To 45°C, add alcohol amine dropwise, the dropping time is controlled at 50 minutes, and the finished product is finished at a constant temperature of 50°C for one hour;

[0061] The mass ratio of described sulfonate and polyether macromonomer is 1:3,

[0062] The mass ratio of described initiator and polyether macromonomer is 1:2.5;

[0063] Prepare an environmentally friendly colorless transparent liquid concrete admixture;

[0064] (2) Preparation of modified oil palm husk ash:

[0065] Grind the remaining raw ash after the bur...

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Abstract

The invention discloses a process for using a latter admixing method to produce green concrete. According the process, microorganism modified oil palm fruit shell ash is used for replacing parts of cement to prepare a new concrete reinforcing additive, then the latter admixing method is adopted to produce the green concrete, and the produced concrete is short in setting time, high in strength, long in service life and stable in quality and is resistant to abrasion, pressure and seepage.

Description

technical field [0001] The invention relates to the technical field of concrete production, in particular to a process for producing green concrete by a post-mixing method. Background technique [0002] With the continuous advancement of concrete technology, people expect concrete to have more excellent properties, such as high strength, high workability and high durability. In addition to ordinary C10, C30, and C40, the appearance of high-performance concrete such as C60, C80, etc. has aroused the interest of scholars and engineers at home and abroad, and has been used in nuclear power nuclear islands, marine structures, high-rise buildings, viaducts, and cut-off walls. Under construction. The research and application of high-strength and high-performance concrete started relatively late in China, but the research and application of high-performance concrete have developed rapidly in the past ten years, and the continuous development of new, high-efficiency, and composite ...

Claims

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Application Information

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IPC IPC(8): C04B28/02C04B24/16C04B18/24
CPCY02W30/91
Inventor 朱进杰姚金根姚旭东许金立朱建生沈民强朱建冬徐小龙柯青胡无畏
Owner ZHEJIANG TIANLI NEW MATERIAL CO LTD
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