Civil Engineering Research & Consulting Team

Research and Consulting on Civil Technology

Power quality solutions on civil technology to build infrastructures

We have deep, first-of-a-kind expertise in civil engineering, and our business improves productivity, ensures quality, cuts costs and speeds schedule.

Innovative Solutions

  • Foundation R&D

    Foundation R&D

    • Evaluation of bearing capacity of foundations
    • Optimization of foundation design
    • Reinforcement of bearing capacity of piles
    • Evaluation of characteristics of IGM grounds
    • Design and reinforcement of foundations with different types
    • Limit state design of foundations
  • Underground space
    /Tunnel R&D

    Underground space, Tunnel R&D

    • 2D stability analysis
    • 3D analysis with construction stages
    • Construction management of underground space and tunnel
    • Design and construction management of TBM tunnel
    • Rapid construction method of NATM tunnel
    • Segment ling with steel fiber
  • Ports, Marine and Water Resource R&D

    Coastal port and water resource R&D

    • Hydrologic and hydraulic analysis for rivers
    • Hydrologic and hydraulic analysis for dams
    • Numerical modelling of water infrastructures
    • Numerical modelling of coastal hydrodynamics including wave, current and turbulance scales
    • Groundwater seepage analysis
  • IT Fusion R&D

    IT convergence R&D

    • Web-based integrated ground monitoring system
    • Web-based rock evaluation system with photogrammetry
    • Design and construction of web-based data analysis function
    • System design for web-based control and monitoring
    • DB design for web-based systems
  • Wastewater Sector

    Wastewater Sector

    • Advanced SBR wastewater treatment system with reduced sludge production (e-Tris I)
    • Advanced MBR wastewater treatment system with reduced sludge production (e-Tris II)
    • Design/operation and process analysis technologies for wastewater treatment/reclamation facilities
    • Sewer network optimization technology
  • Drinking Water Sector

    Drinking Water Sector

    • Water treatment technology using membrane filtration system
    • Compact and efficient system for the treatment of membrane backwash water
    • Design and operation for membrane filtration system
    • Process diagnosis and optimization technologies
    • Technologies for emerging contaminants (odor and taste, pharmaceuticals, etc.)
    • Optimal design and operation technologies for pipe network
  • Desalination Sector

    Desalination Sector

    • Desalination technologies to deal with red tide events
    • Control measures for organic pollutants in seawater
    • Hybrid forward-reverse osmosis
      (FO-RO) system to minimize energy consumption
    • Design and operation technologies for SWRO desalination plant

Representative Technologies

Mega foundation

Mega foundation 01 Mega foundation 02 Mega foundation 03 Mega foundation 04

Technology
overview

  • Cost-saving foundation to support the load of large structures in a stable manner

Benefits

  • Cost-saving and reducing the construction period for foundation construction, reinforcing bearing capacity of foundation

Applied projects

  • Brunei Sungai Bridge, Busan Angol Bridge, Donghae Nambu Line, Poseung Pyeongtaek Railway, Honam KTX Line, etc.

Patent &
Certificate

  • Patent No. 10-0847096 : The process of ground investigation and the evaluation method for bearing capacity of pile foundation using driving cone penetrometer test(DCPT)
  • Patent No. 10-0992751 : The attachment of hollow pile for pile tip grouting, and the method reinforcing the end bearing capacity of pile foundation using pile tip grouting
  • Patent No. 10-1069815 : The attachment of drilled shaft for post grouting at pile tip, and the method reinforcing the end bearing capacity of pile foundation using post grouting at pile tip
  • Patent No. 10-1011013 : The test device to evaluate the bearing capacity and settlement of foundation by attaching the standard penetration test equipment, and the evaluation method of bearing capacity and settlement of foundation using this device
  • Patent No. 10-1086190 : Construction method for different foundations reducing the differential settlement
  • Patent No. 10-1294243 : The end shoe device for precast concrete hollow pile to inject grouting and prevent pile damage, and construction process of precast concrete pile attaching this end shoe device
  • Patent No. 10-1152265 : The prestressed drilled shaft, and the construction process of prestressed drilled shaft
  • Patent No. 10-0990201 : The variable excavation hammer to expand the excavation hole at pile tip

Low cost and rapid tunnel construction technology

  • NATM tunnel:High-efficiency blast pattern
  • Shield TBM tunnel:Steel fiber reinforcement segment
  • Bedrock type TBM tunnel:H-beam pressure device

Technology
overview

  • Technology that enhances the excavation efficiency of NATM tunnel (blast excavation) by applying a high-efficiency blast pattern and reduces the support of TBM tunnel by applying an H-beam system that uses a pressure device(Bedrock type TBM tunnel) and applying a steel fiber reinforcement segment lining(Shield TBM tunnel).

Benefits

  • Reduces the construction period and cost

Applied projects

  • Busan Ring Expressway, Donghongcheon-Yangyang Expressway, etc.

Patent &
Certificate

  • Patent No. 10-1000570 : Tunnel high speed excavating method using center-cut hole double charge and dispersing charge
  • Patent No. 10-0936630 : Stemming device for blast holes
  • Patent No. 10-2013005-9049 : Pressurized ring beam for tunnel stability and installing method of pressurized ring beam
  • Patent No. 10-2013-0130475 : Reduction of water separating type backfill composite into rear cavity of tunnel

Wave-power generation system development

Review for the cross section of optimal wave-power generation Breakwater applied for Marine Energy Section at Jeju Outport Breakwater

Technology
overview

  • A system to generate electricity using wave-power at a vertical breakwater composed of immersed water channel and water chamber

Benefits

  • Generating electricity using rotators at a breakwater by wave-energy, which is the most notable new energy system

Applied projects

  • Jeju Outport Breakwater (Caisson with wave-power generation facilities)

Patent &
Certificate

  • Patent No. 10-0748369 : Breakwater for generating electricity using rotator whirlpool in space of running water

IT-based integrated ground measuring system

Technology
overview

  • A web- and mobile-based system which collects, manages, verifies and analyzes ground monitoring data and issues warnings in real time

Benefits

  • Securing quality and safety by strengthening on-site management

Applied projects

  • Hansup e-Pyunhansesang, Sihwa Zone 3, Busan Angol Bridge, etc.

Patent &
Certificate

  • Program Registration 2011-01-155-003911 : IT-based integrated ground monitoring system

Sludge reduction advanced sewage treatment SBR process (e-Tris I)

Sludge reduction advanced sewage treatment SBR process (e-Tris I)

Technology
overview

  • Continuous-flow SBR system for advanced wastewater treatment with reduced sludge production (up to 60% reduction)

Benefits

  • Reduced CAPEX and OPEX ae well as enhanced environmental sustainability by reducing sludge production

Applied projects

  • Project to establish an environment demonstration complex (2013)

Patent &
Certificate

  • Certificate of Korea National Excellent Technology (NeT) No. 345 (Korea Ministry of Environment)
  • Green Technology (GT) No. 12-00027 (Korea Ministry of Environment)
  • Patent 10-1048352 Advanced wastewater treatment devices and method for reduced sludge production in the treatment process
  • Patent 10-1063206 Advanced wastewater treatment devices and method for reduced sludge production and wastewater reclamation
  • Patent 10-1240239 Vertical decanter system for effluent discharge with scum overflow prevention device in wastewater treatment system
  • Patent 10-1080635 Advanced wastewater treatment system using sequencing batch reactor coupled with coagulation-sedimentation basin
  • Patent 10-1081668 Anaerobic sludge holding tank to induce endogenous microbial growth and its utilization method for reduced sludge production

Sludge reduction advanced sewage treatment MBR technology (e-Tris II)

Sludge reduction advanced sewage treatment MBR technology (e-Tris II)

Technology
overview

  • Advanced wastewater treatment system with reduced sludge production (up to 60% reduction)
    MBR technology using side-stream membrane for convenient operation and maintenance compared to MBR using submerged membrane

Benefits

  • Reduced CAPEX and OPEX ae well as enhanced environmental sustainability by reducing sludge production

Patent &
Certificate

  • Certificate of Korea National Excellent Technology (NeT) No. 435 (Korea Ministry of Environment)
  • Green Technology GT No. 12-00027 (Korea Ministry of Environment)
  • Patent 10-1048352 Advanced wastewater treatment devices and method for reduced sludge production in the treatment process
  • Patent 10-1063206 Advanced wastewater treatment devices and method for reduced sludge production and wastewater reclamation
  • Patent 10-1240239 Vertical decanter system for effluent discharge with scum overflow prevention device in wastewater treatment system
  • Patent 10-1080635 Advanced wastewater treatment system using sequencing batch reactor coupled with coagulation-sedimentation basin
  • Patent 10-1081668 Anaerobic sludge holding tank to induce endogenous microbial growth and its utilization method for reduced sludge production

Dual-Membrane Filtration System for Drinking Water Treatment

01. Confusion/Coagulation 02. Pressure membrane filtration 03. 2-layer submerged membrane filtration

Technology
overview

  • Daelim’s dual-membrane drinking water treatment system consists of high-capacity pressurized membrane module and multi-purpose submerged membrane tank. It is not required to construct large civil structures, i.e., sedimentation basin, sludge and backwash water collection basin, sludge concentration basin, etc.

Benefits

  • More than 30% of CAPEX and OPEX reduction with reduced footprint

Patent &
Certificate

  • Certificate of Korea National Excellent Technology (NeT) No. 487 (Korea Ministry of Environment)
  • Collective Standard Certificate of Water Supply Membrane Module (KWWA F106)
  • NSF / ANSI 61 Drinking water system components – Health Effects (PF100)
  • Patent
      - Hybrid membrane filtration system using pressurized and submerged membranes (2014. 7)
      - High efficiency submerged membrane tank including coagulation and sedimentation functions (2014. 2)
      - Efficient membrane cleaning method using mass balance in the operation of membrane filtration process (2013. 12)
      - Control method of membrane filtration system by automatically regulating recirculation rate in order to respond varying
       raw water quality (2013. 9)
      - Dual membrane filtration system using pressurized and submerged membranes and its variable control method (2013. 5)

Integrated Smart Waterworks Management System

Intelligence water supply integrated management system platform

Technology
overview

  • Efficient management for the overall waterworks from source to tap can be done by using Integrated Smart Waterworks Management System.
    The system, developed with user-friendly module format and UI environment in order to enhance the conveniency and efficiency, consists of 3 main modules: ① treatment plant management system, ② supply networks management system and ③ integrated management system.

Benefits

  • Enhanced efficiency by optimizing unit process operation
  • Safe and stable water supply with reduced O&M cost
  • Customer satisfaction through real-time supply networks monitoring
  • Applied in the City of Yangpyeong

Patent &
Certificate

  • Patent 10-0030753 Determination method of optimal locations for pressure gauges in water supply networks
  • Patent 10-0030755 Hybrid water supply system
  • Patent 10-0035375 Determination method of optimal flowmeter locations in water supply networks
  • Patent 10-0013350 Method of disinfection by-products monitoring and method of chlorination dosage using the monitoring data
  • Patent 10-0013352 Method of disinfection by-products monitoring in water supply networks
  • Program C-000686 Program for optimal determination of pressure gauge locations in water supply networks
  • Program C-007211 Program for optimal determination of flowmeter locations in water supply networks
  • Program C-007327 Program for water demand prediction
  • Program C-001371 Optimal water supply pump operation system for water treatment plant
  • Program C-001372 Process diagnosis system for water treatment plant
  • Program C-001373 Asset management system for water treatment plant
  • Program C-001374 Water supply network analysis system on the basis of PDA method
  • Program C-001375 Water supply network operation and management system