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Composite honeycomb sandwich structure floor

A honeycomb interlayer and floor technology, which is applied to layered products, building structures, floors, etc., can solve difficult problems and achieve the effects of cost reduction, structural weight reduction, and weight reduction costs

Inactive Publication Date: 2011-06-01
SHENYANG AIRCRAFT CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, if the access floor adopts a single sandwich structure, it is difficult to take into account the weight and cost of the floor while satisfying the above load-bearing performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] In a certain test, the single sandwich honeycomb structure panel is made of 1.2mm steel plate for the upper skin and 1.0mm steel plate for the lower skin. The material type is Q235, and its yield strength is 240Mpa. 3 , the cell side length is 5.0mm, the honeycomb core height is 25mm, and the single sandwich honeycomb panel made of compressive strength 1.3Mpa has a thickness of 27.5mm and a weight of 18.8kg per square meter. The composite honeycomb sandwich structure floor adopts 1.2mm steel plate for the upper skin, 0.5mm steel plate for the middle skin, and 0.5mm steel plate for the lower skin. The material type is Q235, and its yield strength is 240Mpa. The upper honeycomb core adopts aluminum honeycomb core material , density 100kg / m 3 , the cell side length is 1.85mm, the honeycomb core height is 5mm, the compressive strength is 5.8Mpa, the lower honeycomb core is also made of aluminum honeycomb core material, and the density is 45kg / m 3 , the cell side length is ...

Embodiment 2

[0020] In the test of making a composite honeycomb sandwich structure floor, the upper skin is made of 1.5mm steel plate, the material model is Q345, and the yield strength is 370Mpa; the middle skin and the lower skin are both made of 0.5mm steel plate, the material model is Q235, and the yield strength is 240Mpa ;The upper honeycomb core is made of aluminum honeycomb core with a density of 100kg / m 3 , the cell side length is 1.85mm, the honeycomb core height is 4mm, and the compressive strength is 5.8Mpa; the lower honeycomb core is made of aluminum honeycomb core, and the density is 470kg / m 3 , the cell side length is 5.0mm, the honeycomb core height is 25mm, and the compressive strength is 1.4Mpa; it is made into a standard floor plate of 600 mm×600 mm, and the floor is concentrated according to the national standard "SJ / T10796-2001 General Specification for Anti-static Raised Floors". Load test, floor limit concentrated load test, floor uniform load test, floor impact loa...

Embodiment 3

[0022] In the test of making a composite honeycomb sandwich structure floor, the upper skin of this example is made of 1.4mm steel plate, the material type is Q345, and the yield strength is 420Mpa; the middle skin is made of 1.0mm thick phenolic fireproof board, and the tensile strength is 120 Mpa; The skin is made of 0.6mm thick phenolic fireproof board with a tensile strength of 120 Mpa; the density of the upper aluminum honeycomb core is 110kg / m 3 , cell side length 1.875mm, honeycomb core height 5mm, compressive strength 6.2Mpa; lower aluminum honeycomb core density 47kg / m 3 , cell side length 5.0mm, honeycomb core height 25mm, compressive strength 1.4Mpa. The standard floor boards of 600 mm×600 mm are made, and according to the national standard "SJ / T10796-2001 General Specification for Anti-static Raised Floors", the floor concentrated load test, the floor limit concentrated load test, the floor uniform load test, and the floor impact load are carried out Test, floor r...

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Abstract

The invention relates to a composite honeycomb sandwich structure floor. The composite honeycomb sandwich structure floor comprises upper skin, a honeycomb sandwich and lower skin and is characterized in that: the honeycomb sandwich consists of an upper honeycomb core and a lower honeycomb core; middle skin is arranged between the upper honeycomb core and the lower honeycomb core; the upper skin is arranged above the upper honeycomb core; the lower skin is arranged below the lower honeycomb core; and compressive strength or density of the lower honeycomb core is lower than that of the upper honeycomb core. The composite honeycomb sandwich structure floor has the advantage of improving from-top-to-bottom dispersing efficiency of concentrated load or impact load by adopting the structure of the upper skin, the middle skin, the lower skin, the upper honeycomb core and the lower honeycomb core according to the characteristic that the concentrated load or the impact load are transmitted from the upper skin to the lower skin along the height direction to perform load dispersion, so that the lower honeycomb core can adopt the honeycomb with compressive strength or density of lower than that of the upper honeycomb core, optimization effect of each resource in the structure is completely exerted, and weight and cost are reduced.

Description

technical field [0001] The invention is a floor with a light structure, which is used as an antistatic building component in the electronics industry. Background technique [0002] Offices such as electronics, communications and media need to establish large-scale antistatic office areas in modern buildings. Taking the widely used antistatic raised floor as an example, the widely used antistatic raised floor mainly includes all-steel floor and calcium sulfate Gypsum floor, the structure of the former is all-steel shell filled with foam cement, which weighs 40-45 kg per square meter; the latter uses calcium sulfate gypsum as the main material, and weighs 70-75 kg per square meter. For a high-rise modern office building with an area of ​​100,000 square meters, the weight of the floor can reach more than 4,000-4,500 tons if only the all-steel raised floor is laid. [0003] The honeycomb sandwich structure laminate is an efficient lightweight structure floor, which is expected ...

Claims

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Application Information

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IPC IPC(8): E04F15/02B32B3/12
Inventor 陈蔚成理谭纪文李涛张国强靳玉田冯文宣孙勇
Owner SHENYANG AIRCRAFT CORP
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