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A concrete protective structure with high-speed impact resistance

A high-speed impact and protective structure technology, applied in the direction of earthquake resistance, building components, building structure, etc., can solve the problems of neglect, achieve the effect of simple process, low cost, and improve the ability to resist high-speed impact

Inactive Publication Date: 2016-02-10
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The concept and research of bionics have a long history and are widely used in fields such as engineering and medicine, but this concept is often ignored in the field of non-precision construction civil engineering building materials

Method used

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  • A concrete protective structure with high-speed impact resistance
  • A concrete protective structure with high-speed impact resistance
  • A concrete protective structure with high-speed impact resistance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] see figure 1 and figure 2 , In this embodiment, the honeycomb core 1 made of paper is used as the carcass in the concrete 2 . The honeycomb core 1 is a plane, and the height of each paper honeycomb core 1 is 10 mm. The shape of the honeycomb holes is a regular hexagon with a uniform size, the hole diameter is 25 mm, and the hole wall thickness is 0.2 mm. Pour freshly mixed concrete 2 (the maximum particle size of coarse aggregate is 9mm) into a cubic wooden formwork with a side length of 200mm, stop pouring when the height of the concrete in the wooden formwork reaches 140mm, and place the 6-layer paper honeycomb core 1 Displacement stacked on the concrete 2 in the wooden formwork, and then continue to pour concrete until the concrete completely fills each honeycomb hole of the honeycomb panel core 1 of each layer, that is, completely wraps the paper honeycomb panel core 1 and fills the wooden formwork.

Embodiment 2

[0028] see figure 1 , figure 2 and image 3In this embodiment, the honeycomb panel core 1 made of plastic is used as the carcass in the concrete 2 . The honeycomb core 1 has a spherical shape. The height of each honeycomb panel core 1 made of plastic is 15mm, the shape of the honeycomb holes is a regular hexagon with uniform size, the hole diameter is 32mm, and the hole wall thickness is 0.5mm. Pour freshly mixed concrete (the maximum particle size of coarse aggregate is 9mm) into a cubic wooden formwork with a side length of 200mm, stop pouring when the height of the concrete in the wooden formwork reaches 140mm, and place the first layer of plastic honeycomb panel core 1 On the concrete 2 in the wooden formwork, continue pouring the concrete 2 until the concrete 2 just completely fills each honeycomb hole of the honeycomb panel core 1 of this layer, and then lay a A layer of plastic fiber mesh is used as the interlayer 3 with a mesh size of 10 mm; the second layer of pl...

Embodiment 3

[0030] see figure 1 and figure 2 , In this embodiment, the honeycomb core 1 made of rubber is used as the carcass in the concrete 2 . The honeycomb core 1 is a plane, the height of each rubber honeycomb core 1 is 20 mm, the shape of the honeycomb holes is a regular hexagon with uniform size, the hole diameter is 50 mm, and the hole wall thickness is 2.0 mm. Pour freshly mixed concrete 2 (the maximum particle size of coarse aggregate is 16mm) into a cubic wooden formwork with a side length of 200mm, stop pouring when the height of the concrete in the wooden formwork reaches 120mm, and place a 4-layer rubber honeycomb panel core 1 Displacement is superimposed on the concrete 2 in the wooden formwork, and then continue to pour concrete until the concrete completely fills each honeycomb hole of the honeycomb panel core 1 of each layer, that is, completely wraps the honeycomb panel core 1 and fills the wooden formwork.

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Abstract

The invention discloses a concrete protective structure with a function of resisting high-speed impact. A plurality of layers of staggered cellular board cores (1) are arranged in the concrete (2); a cartilage frame in the concrete (2) is formed by the cellular board cores (1); a cellular board core layer is formed by each layer of the cellular board cores (1) and the concrete (2) arranged in the cellular holes of the cellular board cores (1). The concrete protective structure with the function of resisting high-speed impact provided by the invention has the advantages of strong capability of resisting the high-speed impact, low cost, simple technique and application to engineering practice. The concrete protective structure can increase the capabilities of the structural members (built or rebuilt), such as concrete walls, pillars and beams, of resisting the high-speed impact, is low in manufacturing cost, is simple in technique and is fit for prefabrication.

Description

technical field [0001] The invention relates to a protective structure, in particular to a concrete protective structure capable of resisting high-speed impact. Background technique [0002] At present, most protective buildings (military facilities, government facilities, embassies, nuclear power plants, etc.) are constructed of reinforced concrete, and the strength of concrete is generally increased, and the thickness and reinforcement ratio of structural components (walls, columns, etc.) are increased. and other methods to enhance the high-speed impact resistance of the component itself. With the development of science and technology, the power of conventional weapons is increasing day by day. Under the penetration of 12.7mm armor-piercing incendiary bombs, the penetration depth of C50 concrete can reach 15-20cm (about 25cm at about 800m / s), and the test proves that the strength of concrete After increasing to a certain extent, the contribution to the reduction of the pe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/98E04C2/36E04C2/06
CPCY02A30/30
Inventor 余志武孙宇雁王子国龙广成郭风琪
Owner CENT SOUTH UNIV
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