Structure/Materials/Modular - Housing

Housing

1. Designing and Construction Technologies for Rapid Construction (OSC and Ground Improvement)
The Off-Site-Construction method (OSC) is a construction methodwhere construction elements are constructed outside of the construction site, later to be transported to the site and assembled.
As a departure from the previous paradigm where all construction works had to be done at the site, the new method can respond to external factors (such as climate change or decrease of available labor force, etc.)
OSC method is bringing forth innovative changes, ranging from the prevention of accidents, enhancement of building qualities, reeducation of construction time, and even decreasing carbon footprints.
- BTS Underground Parking Lot PC Method
  
  This new technology is a PC (Precast Concrete) method for underground parking lots with better economy compared to conventional methods due to the employment of T-shaped girders and three wall columns.
  Higher quality is ensured due to factory manufacturing. Lower ceiling height and maximized parking slots can be realized compared to conventional Rahmen structures.
  Project references : eYeongjong Centum Venue, eOkjeong Leaders’ Garden, eGeomdan Well-County
  
  Intellectual property right : 10-2426680, 10-2177744
- DHCw PC Method
  
  A PC construction method for the underground retaining wall with automatic manufacturing to secure economy through the use of hollow core slabs.
  There is no need to use expensive temporary structures due to the simplified installation of the underground retaining wall panels that are manufactured in a factory.
  Project references : eYeongjong Centum Venue, eOkjeong Leaders’ Garden, eGeomdan Well-County
  
  Intellectual property right : 10-2227414
- Post-Tensioned PC Core
  
  A technology where the core part of a building (stairwell and elevator hall) are switched to the PC method.
  By applying post tension, the stability of the structure is secured, while reducing the construction lead time for the above-ground levels.
  Intellectual property right : 10-2021-0098952, 10-2023-0067723
- Underground PC PIT
  
  A technology that converts the pit structure in basement level to the PC (Precast Concrete) method with an improved version of the PC culvert that are used in civil work.
  The use of standardized PC culvert can minimize the increase in construction costs while reducing the construction period of the basement level.
  Intellectual property right : 10-2022-0019055
- Soft Ground Improvement Method
  
  The original ground and hardener are mixed to create an improved mass that can provide support and improve a soft ground.
  This method involves lower noise and nonvibration, which makes the method a more convenient choice. Compared to the pile foundation, the method can reduce the cost and construction period.
  Project references : eGeojae Euro Island, eWoonjeong Urban Prime, eGimpo Royal Heim, etc.
  
  Intellectual property rights : 10-1874380, New Construction Technology No. 816
- Footing-Less Micro Pile
  
  This technology is composed of various pile diameters, which transfer the load of the building directly to micro piles.
  The use of smaller equipment can increase construction efficiency and optimize the load path, which can remove the foundation process.
  Project references : e-Pyeonhansaesang Yeoncheon Wells Heim, e-Pyeonhansaesang Yeongjong Centum Venue, e-Pyeonhansaesang Seokrim the Noble
  
  Intellectual property rights : 10-2321985, 10-2321986
2. Remodeling Designing and Construction Technology
With the proven new technology, horizontal or vertical expansion of a building is realized, while reducing construction cost and time to enhance the profitability of a remodeling project.
By applying the designs and construction technologies that are specialized for remodeling, it is now possible to resolve the issues of uncertainty and high cost.
Especially, the reinforced foundation technology for vertical expansion has been certified by the authority (as a New Construction Technology), which can be expected to reduce the time taken in passing the approval phase and reducing construction period.
- PT Load Transfer Method
  
  An external post-tension method to control the support of the existing piles by attaching strands on the wall of the lowest level of the building.
  This is the only proven vertical expansion reinforced technology of South Korea and capable of reducing project time and minimizing the reinforcement of the foundation.
  Intellectual property rights : 10-2573805, New Construction Technology No. 964
- Slim Floor Composite Structure
  
  An asymmetrical H-beam composite structure which can secure the same ceiling height with that of a bearing wall structure when remodeling a multi-household residence.
  This technology can be applied to the expanded apart when horizontally expanding for a remodeling. The usability of the expansion can be enhanced by securing the same ceiling height with that of the bearing wall structure.
  Intellectual property right : 10-2023-0155504
- Underground Space Extension Method with Column Relocation
  
  The underground space extension method can secure the maximum parking slots by existing column relocation. This method is applicable to the remodeling of a multi-household residential building where the main building is connected with the underground parking lot. The method allows minimizing the scope of excavation, reducing construction costs.
  Intellectual property right : 10-2023-0119724
- Pre-stressed Continuous Pile Retaining Wall
  
  Cast-in-Place Pile retaining wall method which can stand alone without struts if the height of excavation is less than 10m.
  Post-tension is applied to the CIP to make it possible to excavate timberless or reduce the use of timbering.
  Intellectual property right : 10-2614988
- Pressure-Penetrating Steel Pipe Pile
  
  A method of small-caliber pile reinforcement by pressure-driving steel pipes only with manual labor utilizing a hydraulic jack.
  This method can be used easily in a narrower space, and a shorter length can provide a higher level of support, making it easier to secure construction efficiency and economy.
  Intellectual property right : 10-2023-0062581
- Concrete and Form for Additional Casting
  
  The concrete and form technology that can secure the quality of the concrete with the minimum thickness when performing additional casting on a wall.
  Low-viscosity concrete for better filling efficiency and TG forms of higher productivity are used.
  Intellectual property right : 10-2023-0160529
3. High-Functionality Material (Concrete) Technology
High-functionality material technology is a technology that improves quality and construction stability by utilizing special material technology with high performance and high durability.
It can increase productivity by improving construction efficiency and strength development speed compared to existing ones.
It is also an eco-friendly technology that can reduce the amount of carbon emissions that may occur during construction work.
- Medium Fluidity Concrete
  
  This technology is a fluidized concrete technology (slump flow 500±75mm) that can be applied with the same strength as existing ones and improves structural filling and slab flatness with minimal cost increase.
  Project reference : e-Pyeonhansaesang Bupyeong Grand Hills and more.
  
  Intellectual property right : 10-2589585, 10-2024-0050702
- Low-shrinkage concrete
  
  This concrete technology reduces shrinkage by 40% compared to conventional concrete, and can reduce crack length per area by approximately 80% or more compared to existing concrete.
  Project reference : e-Pyeonhansaesang Gimpo Urban Venue and more.
  
  Intellectual property right : 10-2662384
- Early Strength Concrete
  
  This technology uses hydration-boosting additives to accelerate initial strength development during the inter-seasons (frame construction time 5-6 days/cycle technology)
  Project reference : Acro Samsung and many more.
  
  Intellectual property right : 10-2022-005996, 10-2022-0130403
- Anti-Freezing Concrete
  
  Cold weather concrete technology that allows concrete to cure without freezing and without the need for heating or curing
  Project reference : Dongtan Logistics Center, etc.
  
  Intellectual property right : 10-1815913
- Low-Carbon Concrete
  
  Carbon-reducing concrete manufacturing technology that significantly reduces cement usage compared to conventional concrete, while achieving equivalent workability, early strength, and durability performance
  Project reference : e-Pyeonhansaesang Gwanggyo and many more.
  
  Intellectual property right : 10-1042817, 10-1356967, 10-1239385
- Heavy-Weight Mortar
  
  The next-gen floor mortar technology for floor systems that increases the unit weight of the mortar by approximately 20% to reduce impact noise between floors.
  Project reference : e-Pyeonhansaesang Geomdan Well County, etc.
  
  Intellectual property right : 10-2577733
- Cost-Saving PHC Pile Filler
  
  Non-cement-based filling material for PHC piles that meets all the management standards of conventional cement while reducing costs by 30%
  Project reference : Acro Samsung and many more.
  
  Intellectual property right : 10-2022-005996, 10-2022-0130403
4. Concrete Quality Control Technology
The quality of concrete is related to the safety of buildings. Therefore, to ensure the safety of residents, concrete quality management is necessary.
Concrete quality management technology is a technology that can evaluate the quality of concrete in real-time during casting and improve the durability of concrete after casting, thereby extending the lifespan of buildings
- Real-Time Water Content per Unit Volume of Concrete Measurement Device
  
  A monitoring technology to measure the water contents per unit volume of the concrete in real time during construction.
  Intellectual property right : 10-2023-0155114
- High-performance exterior wall paint
  
  An acrylic emulsion-based paint technology with elasticity, water resistance, and carbonation reduction properties, applied as a primer on concrete exterior walls to enhance durability and lifespan
  Project reference : e-Pyeonhansaesang Nano Valley and many more.
  
  Intellectual property right : 10-2305325
5. Modular Designing/Manufacturing Differentiation Technology
The existing modular technologies in South Korea was limited to the mere relocation of the conventional manufacturing process from the site to the factory.
The innovative modular manufacturing technology of DL E&C goes far beyond the productivity of conventional methods.
In addition, the designing and construction technology in the perspective of DfMA allows fast, high-precision products and superb quality.
- Welding-Free UHPC Connector
  
  A dedicated connector for modular structures that can be joine dusing the bolts made of high-strength concrete (100MPa strength).
  By removing the thermal deformation during welding, it is possible to achieve a higher level of precision, while increasing productivity of modular structures.
  Project reference : e-Pyeonhansaesang Shinbok Park Prime
  
  Intellectual property rights : 10-2022-0019054 plus six others
- Exterior Finishing Material Joining without Supporting Frame
  
  The modular exterior panels are reinforced with exclusive components to connect finishing materials directly.
  The supporting frame installation work is removed, so that the productivity for modular finishing work can be enhanced.
  Intellectual property rights : 10-2022-0083219, 10-2023-0195661
- DfMA Exclusive Steel profile for Modular Structures
  
  Exclusive steel profile for modular structures with a dimension that is optimized for modular technologies.
  The vertically asymmetric structure enhances structural stability, while enhancing the production efficiency for the lighter interior wall structures.
  Intellectual property right : 10-2023-0129288
- PC-Based Dry Floor Structure System
  
  A floor structure system where pre-cast slabs are assembled to the modular structure.
  With zero wet processes, it is possible to use conveyor manufacturing methods as is the case with manufacturing industries.
  Intellectual property right : 10-2023-0146788
- Modular Designing and Construction of the Amenities for Apartments (rooftop areas and lobbies)
  
  The technology to design and construct the shared amenity areas using the modular structures of DL E&C.
  Factory manufacturing minimizes the work volume at site to prevent accidents while enhancing the quality of the common areas of apartments.
  Intellectual property rights : 10-2643101, 10-2022-0101387, 10-2023-0134489
- Unit Combination Designing Technology
  
  The plan designing technology utilizing the combination of units to diversify existing modular products which were previously limited to studio-apartment type projects.
  By the combination of the units of standardized sizes, it is possible to provide the customers with residential products in line with their varying lifestyles.
  Project reference : Back-to-the-country Housing Development REITs (LH)
  
  Intellectual property right : 10-2023-0109007

DL E&C

Housing