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A device and method for green concrete construction

A technology for concrete and commercial concrete, applied in clay preparation devices, unloading devices, cement mixing devices, etc., can solve problems such as poor fluidity of green concrete, difficulty in pumping to a high enough position, and inability to achieve continuous construction, etc. Achieve the effect of enhancing construction safety, improving construction efficiency, and enhancing reliability and stability

Active Publication Date: 2019-10-22
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although green concrete has many advantages, it is very difficult in practical engineering
After adding coarse aggregate in commercial concrete construction, the green concrete formed has poor fluidity, and it is difficult to pump it to a high enough position through traditional pumping devices
Therefore, continuous construction cannot be realized

Method used

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  • A device and method for green concrete construction
  • A device and method for green concrete construction
  • A device and method for green concrete construction

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Embodiment 1

[0024] Such as figure 1 As shown, a device for green concrete construction includes a commercial concrete tanker 1, a concrete ground pump 2, a concrete delivery pipeline 3, an intelligent jacking device 4 and a green concrete mixing device 5, and the intelligent jacking device 4 includes an operating platform 10 , supporting the truss 8 and the jack 9, the upper end of the truss 8 is welded to the operating platform 10, and the lower end is screwed to the jack 9. The operating platform 10 is set on the outer edge of the building structure 7, and the operating platform 10 can be lifted and lowered steadily on the outer edge of the building structure 7 through the jack and the numerical control system; the green concrete mixing device 5 is located on the operating platform 10, including a green concrete mixing box 11, a green Concrete storage device 19 and screw mixing conveying device 17, the top of the green concrete mixing box 11 is provided with coarse aggregate input port ...

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Abstract

Environment-friendly concrete is novel concrete formed in the mode that on the basis of commercial concrete, coarse aggregate with the volume replacement rate being 5%-25% is added, and the commercial concrete and the coarse aggregate are rapidly stirred uniformly. The environment-friendly concrete has the advantages of being resistant in shrinkage-cracking, good in mechanical property, good in volume stability and capable of saving cement and other advantages, but due to the poor flowability, the environment-friendly concrete cannot be pumped to the high-enough position in construction of a building structure, thereby failing to be automatically constructed. The invention relates to an environment-friendly concrete construction device and method. The environment-friendly concrete construction device comprises a concrete ground pump, a concrete conveying pipeline, an environment-friendly concrete stirring device and an intelligent jacking device. The intelligent jacking device is arranged outside the building structure in a sleeving mode and composed of an operation platform, a supporting truss and a jack. The intelligent jacking device can provide a moving construction platform for environment-friendly concrete construction, accordingly the construction efficiency is improved, the construction quality is guaranteed, construction safety is strengthened, and automatic environment-friendly concrete construction is guaranteed.

Description

technical field [0001] The invention belongs to the field of building structure engineering, and in particular relates to a device and method for green concrete construction. Background technique [0002] Green concrete refers to a new type of concrete formed by adding coarse aggregate with a volume replacement rate of 5%-25% on the basis of commercial concrete and stirring it uniformly quickly. Green concrete has the following advantages: (1) Greatly reduces shrinkage cracking. The surface of the coarse aggregate will absorb moisture during the mixing process. After adding coarse aggregate to ready-made concrete, the contact area between the aggregate and the gel material in the concrete increases, which reduces the overall water-cement ratio, thus reducing concrete drying shrinkage cracks. At the same time, from the perspective of the internal microstructure of concrete, the coarse aggregates in green concrete contact each other and form an interlocking structure, which ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/02B28C5/16B28C7/06B28C7/12B28C7/16
Inventor 贾金青龚剑封硕刘伟李璐王美华
Owner DALIAN UNIV OF TECH
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