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a prefabricated slab

A grooved plate and plate surface technology, applied in building materials, building components, buildings, etc., can solve problems such as easy cracking, affecting normal use, affecting mechanical performance, etc.

Active Publication Date: 2015-11-25
山东艾科福建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The new and old concrete joints at the joints of existing precast concrete structures are generally weak links, which affect the mechanical performance, and are easy to crack, affecting normal use

Method used

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  • a prefabricated slab
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Examples

Experimental program
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Embodiment Construction

[0054] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0055] like figure 1 , figure 2 As shown, there is at least one longitudinal through hole 14 parallel to the surface in the longitudinal rib of the prefabricated grooved plate 11, the diameter of the longitudinal hole is generally between 60mm and 400mm (generally, the diameter of the longitudinal hole is the height of the longitudinal rib section Or the width minus 60mm); the lateral groove 12 is arranged on the outer side of the longitudinal rib, intersects with the outer longitudinal through hole, and the depth of the lateral groove is generally the distance from the center of the outer longitudinal hole to the side of the longitudinal rib; the lateral groove 12 and the protrusion 13 Staggered arrangement. An installation ring (not shown in the figure) is also arranged on the prefabricated grooved plate.

[0056] The manufacture method of prefa...

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Abstract

The invention relates to a prefabricated channel plate, and belongs to the technical field of prefabricated concrete structures. A longitudinal rib internally is provided with a longitudinal penetrating hole parallel to a surface. The outer side of the longitudinal rib is provided with horizontal grooves. The horizontal grooves and the longitudinal penetrating hole positioned at the outer side are intersected with each other. The prefabricated channel plate can improve the industrialization level of a building structure and save resources, and can be applied to various wall bodies and floor plates.

Description

technical field [0001] The invention belongs to the technical field of prefabricated concrete structures, in particular to a prefabricated channel plate suitable for assembled structures. Background technique [0002] In the construction process of cast-in-place reinforced concrete structures, there are many on-site fabrications, many wet operations, and a large number of intermediate links such as formwork projects and scaffolding projects, which waste resources and pollute the environment; issues of performance, quality and durability. The main structural components of prefabricated concrete structures are manufactured in factories, which have high production efficiency and good quality, save resources and are conducive to sustainable development. The use of prefabricated concrete structures is the development direction of construction industrialization. [0003] There are horizontal joints and vertical joints between prefabricated components in precast concrete structur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04C2/38E04C2/06
Inventor 初明进
Owner 山东艾科福建筑科技有限公司
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