Underground facility and method of constructing underground facility
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Solution Overview
Problem
Vinyl houses used in farmhouses have poor insulation, leading to severe temperature fluctuations and require frequent maintenance due to weak structural strength.
Innovation Solution
A construction structure for an underground facility comprising a concrete foundation with a corrugated steel plate cover member forming a tunnel-shaped space, covered by a soil layer, equipped with air supply and dehumidification systems, and an elevator system with fall prevention mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If vinyl sheets are used to construct farmhouses, then the structure is easy to manufacture and assemble, but the insulation performance is poor and temperature fluctuation is severe
Solution Approach 1:
The invention changes the construction parameters from above-ground vinyl structures to underground concrete facilities with soil coverage. This fundamental parameter change transforms the thermal environment, allowing the facility to maintain stable temperatures (5-15°C cooler in summer, warmer in winter) by utilizing the ground's natural insulation properties, thereby resolving the temperature stability issue while maintaining construction feasibility
Solution Approach 2:
The invention employs composite construction using concrete for the facility body and soil as an insulating cover layer. This composite structure combines the structural strength of concrete with the thermal insulation properties of soil, creating a system that maintains stable temperatures without requiring additional insulation materials, thus addressing the temperature fluctuation problem while keeping the solution practical
2Ease of manufacture
If vinyl sheets are used to construct farmhouses, then the structure is simple and cost-effective, but the structural strength is weak and requires continuous maintenance
Solution Approach 1:
The invention inverts the conventional approach by building facilities underground rather than above ground. This inversion places the structure within the protective earth envelope, where the soil provides both structural support and protection from environmental damage. The concrete facility body buried in the ground achieves superior structural strength and durability while eliminating the need for continuous maintenance of vinyl coverings
Solution Approach 2:
The invention adopts the proven durability of traditional underground storage structures (cellars, root cellars) and applies the concept to modern facility construction. By copying the time-tested principle of earth-sheltered design, the facility achieves the reliability and structural strength of historical underground structures while incorporating modern concrete construction techniques for improved ease of manufacture
3Temperature
If an underground facility with soil cover is constructed, then temperature stability is improved and heating/cooling costs are reduced, but the construction complexity increases
Solution Approach 1:
The invention segments the construction process into distinct phases: excavating the pit, constructing the concrete facility body, and backfilling with soil. This segmentation allows each task to be performed independently with specialized equipment and personnel, simplifying the overall complex construction process while achieving the temperature stability benefits of underground design
Solution Approach 2:
The design allows the facility to self-regulate temperature through passive thermal mass effects and soil insulation, eliminating or reducing the need for complex active heating and cooling systems. The earth cover itself serves as the insulation layer, and the concrete structure provides thermal mass for temperature regulation, reducing system complexity while maintaining temperature stability
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
Maintains consistent temperature, reduces heating and cooling costs, and provides easy maintenance with a durable structure.
Implementation Method 1
a cooling unit provided with an evaporator provided in the central portion of the intake pipe and a compressor and a condenser connected to the evaporator, and configured to evaporate a refrigerant, condensed by the compressor, in the evaporator so that moisture contained in air passing through the intake pipe is condensed by the evaporator
Implementation Method 2
moisture contained in air passing through the intake pipe is condensed by the evaporator
Implementation Method 3
a braking member coupled into a guide hole, formed in a circumferential surface of the elevator car, to be slidable inward or outward, and configured to, when pushed outward, be coupled with the rail members and generate frictional force
Data Source
AI summary
Disclosed herein are a construction structure and method for an underground facility. The construction structure for an underground facility includes: a facility body including a foundation constructed by pouring concrete, and a cover member extending in the front-back direction and having both ends configured to extend downward and be fixed to the top surface of the foundation to form a tunnel-shaped space therebelow; and a soil cover layer formed to cover the facility body with soil. The construction method for an underground facility includes: forming a pit in the ground; constructing a foundation on the bottom surface of the pit; constructing a cover member to cover the top of the foundation; and constructing a soil cover layer by covering the pit with soil to cover the cover member.