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Concrete stacking forming method

A technology for stacking and forming concrete, applied in chemical instruments and methods, clay preparation devices, cement mixing devices, etc., can solve the problems affecting the overall homogeneity and performance of concrete, aggregate subsidence, etc., to improve mechanical properties and durability. Performance and compactness, reduced dosage, improved uniformity

Pending Publication Date: 2020-11-06
GUANGDONG GAITEQI NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and provide a concrete stacking and forming method to solve the technical problem that the existing concrete tends to sink when pouring and forming, thereby affecting the overall homogeneity and performance of the concrete

Method used

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  • Concrete stacking forming method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] This embodiment provides a concrete accumulation forming method. Described concrete accumulation molding method comprises the steps:

[0047] S1 Put 10 kg of continuously graded basalt coarse aggregate with a particle size of 5-30mm into the mixer, stir for 60 seconds, then spread the evenly stirred coarse aggregate into the mold for use, and fix the vibrator around the mold;

[0048] S2 Put 3 kg of Portland cement, 1 kg of mineral powder admixture, and 4 kg of river sand into the mixer and stir for 30 seconds, then put 1.3 kg of water and 0.1 kg of polycarboxylate superplasticizer (admixture) into the mixer and stir for 90 seconds , to get a well-mixed mortar;

[0049] S3 pouring the mortar obtained in step S2 from the upper end of the mold prepared in step S1, and vibrating while pouring until the surface layer of slurry no longer sinks, so as to obtain piled shaped concrete.

Embodiment 2

[0051] This embodiment provides a concrete accumulation forming method. Described concrete accumulation molding method comprises the steps:

[0052] S1 Put 13 kg of continuously graded basalt coarse aggregate with a particle size of 5-30mm into the mixer, stir for 90 seconds, then spread the evenly stirred coarse aggregate into the mold for use, and fix the vibrator around the mold;

[0053] S2 Put 5 kg of Portland cement, 2 kg of mineral powder admixture, and 6 kg of river sand into the mixer and stir for 60 seconds, then put 1.6 kg of water and 0.2 kg of polycarboxylate superplasticizer (admixture) into the mixer and stir for 120 seconds , to get a well-mixed mortar;

[0054] S3 pouring the mortar obtained in step S2 from the upper end of the mold prepared in step S1, and vibrating while pouring until the surface layer of slurry no longer sinks, so as to obtain piled shaped concrete.

Embodiment 3

[0056] This embodiment provides a concrete accumulation forming method. Described concrete accumulation molding method comprises the steps:

[0057] S1 put 11.5 kg of continuous graded basalt coarse aggregate with a particle size of 5-30 mm into the mixer, stir for 75 seconds, then spread the evenly stirred coarse aggregate into the mold for use, and fix the vibrator around the mold; S2 put 4 Put 1 kilogram of Portland cement, 1.5 kilograms of mineral powder admixture, and 5 kilograms of river sand into the mixer and stir for 45 seconds, then put 1.45 kilograms of water and 0.15 kilograms of polycarboxylate superplasticizer (admixture) into the mixer and stir for 105 seconds to obtain agitation uniform mortar;

[0058] S3 pouring the mortar obtained in step S2 from the upper end of the mold prepared in step S1, and vibrating while pouring until the surface layer of slurry no longer sinks, so as to obtain piled shaped concrete.

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Abstract

The invention discloses a concrete stacking forming method. The concrete stacking forming method comprises the following steps that each component is measured according to the component amount contained in a concrete material; the measured coarse aggregate is laid in a mold of to-be-formed concrete, and a coarse aggregate layer is formed; the rest of the measured components are mixed with water toprepare mortar; and the mortar is poured into the mold, the coarse aggregate layer is filled with the mortar, the coarse aggregate layer is covered with the mortar, and curing process treatment is carried out. According to the concrete stacking forming method, the distribution uniformity of aggregate components can be effectively improved, the problems of segregation, bleeding, coarse aggregate sinking and the like of fluid concrete are reduced, the mechanical property, durability and compactness of the concrete are improved, and the use amount of cementing materials can be reduced.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a concrete accumulation molding method. Background technique [0002] Concrete has a history of more than 100 years of development, and it has become the most widely used and used building material in the field of civil engineering worldwide. [0003] At present, ordinary concrete is to use a mixer to mix the cementitious material, sand, admixture and water evenly to obtain a concrete mixture. Although such concrete has the advantages of high compressive strength, easy material acquisition, easy molding, low price, and can be combined with steel to make various load-bearing prefabricated parts, it is also found to be insufficient in the actual production and application process: such as compressive strength Still not ideal. [0004] In addition, in order to facilitate pouring and molding of existing concrete, the concrete mixture is required to have good ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B13/02B28C5/00C04B28/04C04B28/06
CPCB28B13/02B28C5/00C04B28/04C04B28/06C04B2201/50C04B14/14C04B14/068C04B22/002C04B2103/302C04B18/141
Inventor 刘福财肖敏黎浩黄贺明
Owner GUANGDONG GAITEQI NEW MATERIAL TECH CO LTD
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