Modular Isolation Flooring for Seismic Data Center Loads
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Solution Overview
Problem
Conventional raised flooring systems are inadequate for supporting high weight concentrations of IT equipment in modern data centers, as they are not strong enough to handle the increased load density and require frequent reconfiguration to accommodate changing layouts and equipment needs, while traditional seismic isolation methods are either too expensive or maintenance-intensive.
Innovation Solution
A modular, seismically isolated raised-access flooring system using rolling ball isolators with customizable connections and robust construction, allowing for easy reconfiguration and integration around structural features, which supports high load concentrations and provides ventilation and service access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional raised flooring systems are used to support IT equipment, then the floor structure is simple and easy to install, but the system cannot support high weight concentrations and requires frequent reconfiguration
Solution Approach 1:
The flooring system is divided into modular support units that can be independently configured and assembled. Each module contains isolated bearing surfaces and support elements, allowing the system to be scaled and reconfigured based on specific load requirements without redesigning the entire floor structure.
Solution Approach 2:
The support system incorporates adjustable and reconfigurable elements that allow modification of load-bearing characteristics. The modular design enables dynamic adaptation to changing equipment layouts and weight distributions through simple reassembly rather than structural reinforcement.
2Reliability
If traditional seismic isolation methods are used, then payloads are protected from vibrations, but the systems are expensive and maintenance-intensive
Solution Approach 1:
The patent employs simple, inexpensive bearing surfaces and support elements that provide effective seismic isolation without the complexity and cost of traditional isolation systems. These basic mechanical elements can be easily replaced if needed, eliminating ongoing maintenance requirements.
Solution Approach 2:
The isolation mechanism relies on passive mechanical properties of the bearing surfaces and support structures rather than active control systems. The system automatically provides vibration isolation through its inherent design without requiring monitoring, adjustment, or external power sources.
3Area of stationary object
If modular support units with wider spacing are used, then more under-floor space is available for ventilation and services, but the structural stability may be compromised
Solution Approach 1:
The patent introduces isolation bearings and modular support elements that act as intermediaries between the floor structure and equipment loads. These components provide the necessary structural stability while allowing wider spacing between pedestals, as each module independently supports its designated load without relying on adjacent structures.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The modular system effectively isolates payloads from seismic vibrations, supports high weight densities, and allows for flexible reconfiguration to meet changing data center needs without the risks associated with traditional moated flooring systems, enhancing safety and operational efficiency.
Implementation Method 1
isolation bearings, such as seismic and isolation bearings utilizing a rolling member, such as one or more rod, sphere, or ball supported between opposing load bearing surfaces
Implementation Method 2
the load or a portion thereof is concentrated on one or more rounded bearing, such as a ball bearing, placed between opposing bearing surfaces, at least one (and preferably both) of which has a central indentation or depression
Data Source
AI summary
Improved support systems, including seismic isolation platforms, tracks and flooring systems are disclosed for protecting a payload, for example, data center racks containing delicate computer equipment such as a hard disk drive, from damage due to vibrations such as seismic vibrations and the like. The systems are modular in design, and can be assembled and changed quickly, while being strong and robust enough to support heavy loads.