Building Our World on Solid Foundations
Advanced Geotechnical Engineering LLC is a Hawaii-based geotechnical engineering practice providing consulting services across Oahu, Maui, Kauai, and the Big Island. It specializes in subsurface soil investigation, foundation design, slope stability, retaining structures, dam safety evaluations, pavement design, and rockfall evaluation. Led by President Dr. Shentang Wang, Ph.D., P.E., a licensed civil engineer with extensive expertise in Hawaiian soil conditions, it provides high-quality and economical geotechnical engineering solutions for commercial, residential, and infrastructure projects.
Shentang WangPresident
Explores subsurface soils and groundwater to support site development and structural foundation planning.
Exploratory borings, test pits, hand auger borings, and Dynamic Cone Penetration tests.
Field collection of soil, rock, and groundwater samples for classification and analysis.
Engineering reporting documenting subsurface findings and recommendations.
Provides analysis and design for shallow and deep foundations, ground treatments, and foundation repair.
Structural foundation systems designed to suit local soil capacities and load requirements.
Investigation and remediation of settling, heaving, or cracked foundation structures.
Subsurface remediation and soil improvement methods to enhance bearing capacity.
Designs earth retention systems and slope stabilization measures to manage landslides and soil creep.
Engineered retaining walls and excavation bracing to resist lateral earth pressures.
Shotcrete and anchor systems for stabilization of slopes and temporary excavations.
Characterizes physical and engineering properties of soil, rock, and concrete.
Moisture density, Atterberg limits, consolidation, gradation, hydrometer, specific gravity, and resistivity/pH tests.
Unconfined compressive strength (UCS) testing for soils, rock, and concrete up to 9,000 psi, along with direct shear and CBR testing.
Evaluates stability, seepage, and safety for embankment dams and water reservoirs.
Safety assessments, piping inspections, and seepage evaluations for water storage facilities.
Engineering analysis to prevent stream bank scour and slope failures on embankments.
Design support for reservoir and dam rehabilitation and modification projects.
Structural design for asphalt concrete and Portland cement concrete pavement systems.
Flexible pavement engineering for public and private roadways.
Rigid pavement engineering for high-durability transit and utility surfaces.
Maps and models hazards to design protective measures against falling rocks.
Rock location mapping, rockfall simulation, and hazard trajectory prediction.
Recommendations and design for passive and active rockfall protection barriers.
Quality control testing and field monitoring services during construction.
Field moisture content and density testing for construction quality control.
Infiltration, percolation, resistivity, vibration, and displacement monitoring, plus soil nail and pile load tests.
Commercial · Residential · Infrastructure · Solar
Honolulu, HI · Infrastructure · Client: Honolulu Rapid Transit
Geotechnical engineering and support for the West Oahu/Farrington Highway Section, the Kamehameha Highway Section, and the Maintenance and Storage Facility, addressing complex and varied subsurface soil profiles.
Hawaii · Infrastructure · Client: Department of Agriculture of Hawaii and Private Owners
Evaluations, safety analyses, modification, and repair services for multiple reservoirs across Hawaii, including Waimanalo, Kualapuu, Horner, Puu Lua, Kitano, Mana, Kapaia, Aii, Okinawa, Halenanahu, Papuaa, Waita, Manuhonuhonu, Puu Pulehu, Puu Kapu, and Paauilo Reservoirs.
Kaneohe-Kailua, HI · Infrastructure
Geotechnical consulting and tunneling engineering support for utility sewer transit.
Mililani, HI · Solar
Geotechnical investigation and design consulting services supporting solar energy infrastructure foundations.