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We invest on our research and development today; because we believe technology is what will make us competitive tomorrow.

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A future paradise filled with your dream and hope. HDEC will provide you with the haven for your mind and your body.

- Human resources training and key technologies
- Tech support for super high-rise projects
- Super high-rise design and engineering
- Super high-rise project management
- More efficient building insulation
- High-efficient utility systems
- Renewable energy systems
- Optimum zero energy designing
- Energy generating tower development
- Flexible, long-life housing
- Building renovation
- Living condition and housing quality improvement
- Environment-friendly construction method innovation

Building energy performance simulation
1. - An Energy analysis and thermal load simulation for building physical make-up, associated mechanical system.
  - Peak load, and building energy consumption of equipment are estimated by using simulation tools
2. - Estimation of heating, cooling, lighting, and other energy flow as well as water in building less than an hour time-step
  - Calculation of the heating and cooling loads necessary to maintain thermal control set-points, conditions.
  - Sizing appropriate HVAC equipment, optimizing energy performance
3. Q&A : hgchung@hdec.co.kr
4. - Energy analysis simulation of full-scale test house in KCC central research institute
  - Thermal load simulation of Paju Hillstate APT for freezing and bursting prevention
Investigation on the Emission Rate of Pollutants from Finishing materials
1. Verification of the internal requirement of the pollutants emission rate from finishing materials in order to improve the indoor environmental quality
2. - Investigation of correlation between finishing materials and indoor air quality
  - Improvement of indoor air quality through the performance management of finishing materials
  - Acquirement of the technology for comfort indoor environment to construct Green Home
3. Q&A : hdshlee@hdec.co.kr
  - Estimation of the emission rate of pollutants from furniture specimens with different surface treatments
  - Estimation of the emission rate of pollutants from various adhesives
Accredited floor system and Reinforced structure for reducing floor impact noise
1. Reduction of floor impact noise such as heavy weight floor impact noise and light weight floor noise between multi-dwelling units
2. - he shape of resilient material to minimize the effect of Poison ratio and make geometric deformation due to tensile elastic property
  - Not-flat system to reduce the transmission of floor impact noise
  - Reinforced parts to guarantee the structural stability
  - Intellectual property rights
    - - Material for reducing floor impact noise using tensile elastic properties and floor structure for reducing floor impact using the same(Patent No : 1008734250000)
    - - Material for reducing floor impact noise using tensile elastic properties by shear deformation and floor structure for reducing floor impact noise using the same (Patent pending)
3. Q&A : taeheekim@hdec.co.kr
Estimation and analysis of wind resistant structure
1. To develop the safer structural systems and evaluation of wind load on cladding, we have conducted a detailed study of wind effects on structures through lots of experiments.
2. - Measurement of wind load for structural frame, and evaluation of residential serviceability
  - Estimation of local wind pressure on structural sheathing and roofing of stadium
  - Airflow around a new construction site to construct a new building
  - Diffusion of atmosphere contaminant and evaluation of airflow
3. Q&A : kshwang@hdec.co.kr
  - Tall Building : Mokdong Hyperion, Busan SK-View, Busan Lotte APT
  - Tower Structure : Incheon International Airport Control Tower, Gyeongju Symbolic Tower,
    Hyundai Elevator Test Tower
  - Stadium : Jeju and Suwon World Cup Stadium, Jeonju Stadium
  - Large Space Structure : Busan Bexco, Asiana Hanger, KINTEX II
Virtual Design & Construction System(VDCS) based on BIM
1. Virtual construction system inquires and utilizes construction project information using integrated BIM 3D modeling and construction database.
2. - The first Integrated Construction Information Management System based on 3D object in domestic construction company
  - Enhanced construction management technology through developing systematic construction management system
    - Fast and accurate decision-making and efficient information management
  - Web based system allows easy access for users and makes consistent information input for data storage
  - Establishment of construction engineering DB from projects for reuse on similar type of buildings
  - Intellectual property rights
    - program registration (1) : Virtual Design & Construction System(No. 2010-01-155-003361)
3. Q&A : yunji04@hdec.co.kr
Temperature Control and Compressive Strength Assessment of Cast-in-place Concrete
Structures Using the Wireless Measuring System based on the Ubiquitous Sensor Network
1. Wireless temperature measurement and curing management system of cast-in-place concrete structures
2. - Monitoring the temperature history of concrete structures over 1km apart from site office
  - Strength prediction of concr ete structures
  - Optimization of curing method and control of heater
  - Intellectual property rights
    - - Domestic Patent(2) : Concrete curing system, etc.
    - - Utility Model(1) : Wireless measuring system
    - - S/W(2) : Curing management program
3. Q&A : hr6460@hdec.co.kr
Acoustic Fatigue Analysis
1. Pipe fatigue assessment technology of high frequency acoustic energy induced vibration in a gas phase system
2. - Elimination of process risk and prevention of environmental pollution
  - Protection of accident such as fire or explosion
  - Engineering credibility and provision of realistic and effective engineering solutions
3. Q&A : tankpark@hdec.co.kr
4. - U.A.E Habshan-5 U&O Project
  - Saudi Karan Gas Field Development Project
  - HDO #2 HOU Project
Piping Surge Analysis
1. Analysis technology of hydraulic transient phenomenon in a liquid piping system
2. - Elimination of process risk and prevention of environmental pollution
  - Prevention of main equipments(rotating machine, stationary machine)
  - Engineering credibility and provision of realistic and effective engineering solutions
  - Optimum design and cost reduction
3. Q&A : tankpark@hdec.co.kr
  - Model planning and formulation
  - System information and case preparation
  - Schematization for simulation cases
  - Problem definition file preparation
  - For initial steady state balancing
  - For transient analysis
  - Computer simulation execution
  - Output evaluation
  - Reports
4. - U.A.E Habshan-5 U&O Project
  - HDO #2 HOU Project
Optimizing Construction Processes on Main Structure of Super High-rise Building
1. Construction planning and process simulation tool
2. - Optimize construction process to increase construction productivity
  - Convergence of virtual reality and construction engineering
  - Reduce construction period and cost by using virtual construction
  - Use as base tool for early construction management system
  - Key Projects
    - - Construction planning for Incheon Tower
    - - Support planning domestic/overseas high-rise projects
  - Intellectual property rights
    - Software (1): Tall Building Process Simulation Tool
3. Q&A : 9800265@hdec.co.kr
Structural System Optimization for Super High-rise Building
1. Achieving structural stability and serviceability by wind tunnel test, optimizing lateral system and installing vibration control devices
2. - Lateral force resisting system for tall building which is vulnerable to wind, earthquake or high slenderness
    - Corewall+Outrigger+Belt-truss System
  - Vibration control technology using damping devices
    - TLD [Tuned Liquid Damper], HMD[Hybrid Mass Damper]
  - Wind tunnel testing technology
    - Force-balance test, Pressure test, Wind-environment test, Flow visualization test
  - Key Projects
    - - Tall building projects: Mokdong Hyperion I (256m), Vietnam BITEXCO (269m) etc.
    - - TLD: Haeundai Hyperion
    - - HMD: Incheon Airport Control Tower, TMD : YangYang Airport Control Tower
    - - Wind tunnel test: Hankang City Tower, Mokdong Hyperion I, II, etc.
3. Q&A : shcho@hdec.co.kr
High Performance Concrete Mix and Direct Pumping Technology for Super High-rise Building
1. High performance concrete mix design and long distance direct pumping technology for super high-rise building
2. - World longest 1.2km direct pumping technology
  - Concrete direct pumping monitoring and control system
  - Ultra high strength concrete mix (above 200MPa)
  - Ultra low heat mass concrete mix
  - High durability RCD concrete mix (over 200year)
  - Intellectual property rights
    - - International patent(1): Safety system for operation concrete supply equipment and safety method (Patent Cooperation Treaty)
    - - Domestic patent (3): Concrete pump pipe pressure measuring gauge protector etc.
    - - Software (1): Concrete direct pumping monitoring and control system
3. Q&A : jinwoo@hdec.co.kr
Pre-construction service for Super High-rise Projects
1. Perform engineering service from project planning and design stage to reduce the risk of project.
  - design review, design alternatives, value engineering, construction planning, scheduling, estimation
2. - Support project is planning and design stage to reduce risk
  - Optimize the construction plan to save cost, improve quality, and shorten construction period
  - Take advantage of project as a bidder
  - Key Projects
    - - Songdo 6,8 District Phase I Pre-construction service, (2009~2011)
      * Incheon Tower (M7 block), Residential (A1, A2, A3, A4, A5, M3 block)
    - - Busan Munhyeon District, Yeouido SIFC, AL-MADA etc.
3. Q&A : smkim@hdec.co.kr