portcoast geotechnical limits test: atterberg limit test aimed to determine liquid limit (ll) ......

PORTCOAST GEOTECHNICAL

COMPANY LIMITED

Introduction

PORTCOAST Geotechnical Company Limited (PORTCOASTGEO) is A Subsidiary Company of PORTCOAST Consultant Corporation. PORTCOASTGEO is equipped with the advanced software, modern and hi-tech surveying and laboratory equipments.

Company’s laboratory with number sign LAS 493 is standard laboratory recognised by Ministry of Construction. Company’s business and productive activities mainly are in the fields such as geotechnical consultants, geotechnical investigation and laboratory, material laboratory, consultant for soil improvement, monitoring...

Company’s manpower includes the expert staffs trained at home and abroad, the highly skilled and creativeness technicans. Together with the modern equipments and the processing systems with automatically data recording, the advanced geotecnical processing softwares with the new updated version on the world.

Communication

Office adress: 328 Nguyễn Trọng Tuyển - Ward 2 - Tân Binh Distrist – Ho Chi Minh CitySecond Branch adress: 92 Nam Ky Khoi Nghia – 1st Distrist - Ho Chi Minh City.

Tel: 84.328204092 -84.328204093

Website: portcoastgeo.com Email: [email protected]

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COMPANY LIMITED

Drilling

The objective of drilling work is to collect soil sample for testing engineering design and construction. This is the most effective method to evaluate the soil stratum in the construction site. Soil samples are then taken to provide for the determination of soil characteristics in the laboratory. Nowadays, this method is very popular in construction in Vietnam and over the world as well. Having about 10 drilling rigs together with skilled human resources, PortcoastGeo always satisfies the Client’s demands about schedule and also as the harshness of weather condition.

The 20HP drilling rig capacity is enough to make a borehole to 100m depth into soil or rock. The hole is made by rotary method combined with circulatory solution to lift the drilling mud upward. Some in-situ tests are also performed inside the drilled borehole such as: Standard Penetration Test (SPT), Field Vane Shear Test (FVST), Pressuremeter (PMT) and other tests. Besides, the drilled borehole is also used to install geotechnical instrumentations.

Specification of drilling rig

Drilling depth 100 m – 150m

Initial diameter 146 mm

Final diameter 100 mm

Diameter of drilling rod 42 mm

Declination of borehole 900 – 750

Weight of machine

withdown engine 500 Kg

Speed of main axis (3

speed)

142 - 285 -

570 rpm

Max pressure of main

axis 15 kN

Max pulling force of

main axis

10 kN

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COMPANY LIMITED

Field Vane Shear Test The field vane shear test determines the undrained shear strength of clayey soils at site. This test is done in both casing and borehole. When the vane reaches the desired depth, push the vane rods downward direction about 3 times vane diameter from the borehole bottom then rotate the gauge to record moment value. The expected result is the undrained shear strength at the depth. The field vane shear test is suitable for very soft to medium stiff clayey soils. The vane size is replaced for the proper material. 04 field vane machines doing well and a hydraulic Jack of 15 tons operated to push the casing to the required depth allow the test done quickly.

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COMPANY LIMITED

Piezocone Penetration Test The Piezocone Penetration Test is a versatile equipment and provide fast in-situ results. Based on recorded data, the soil strata are determined faster than other equipments. Data recorded by sounding transfer from memo-cone to the dataloger on surface. The inclinometer sensor is attached in the memo-cone to control inclination during penetration. Soil parameters are recorded such as: cone resistance (qc), sleeve friction (fs) …This equipment can also be performed pore water pressure dissipation test at the field – an important soil parameter in term of calculation the horizontal consolidation coefficient. Having 04 memo-cones, 03 dataloger both C-Mon and PC-Mon and 4 hydraulic jacks from 10 to 20 tons, Portcoast-Geo is proud of being as a leading company in this kind of test and always meet Client’s demand.

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COMPANY LIMITED

Pile Driving Analyzer (PDA) The PDA uses signals from reusable sensors to collect data. It consist of 2 Accelerometers and 2 strain gages. When a hammer or weight strikes top of pile, the compressive stress wave travel down its shaft and reflect up. Soil resistance forces along the shaft and at the toe cause wave reflection and are felt at the top of the pile. The measured force and velocity near pile top thus provides necessary and sufficient information to estimate soil resistance and its distribution. The Pile Driving analyzer technology applies dynamic measurements to solve pilling problems. Force and acceleration measurements taken near the top of a pile during impact provide the necessary information for determining: + Activated bearing capactity + Hammer performance + Maximum driving stresses + Pile or Shaft Integrity PDA test can be applied on all types of pile, such as pre-cast concrete pile, in-cast placed pile, steel pile, timber pile, composite pile… PDA Testing is a quick, low cost and very reliable tool. You save time and money. You gain quality assurance.

http://portcoastgeo.com/en/geotechnical-testing/pile-testing/pile-driving-analyzer-pda.html

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COMPANY LIMITED

The monitoring system for soil improvement stage Inclinometer system is used to monitor lateral movement of slope embankment during construction stage or slope protection. The inclinometer probe, datalog box and casing were manufactured by Geokon Co., (USA). There are 02 types of conventional Piezometer: vibrating-wire piezometer and standpipe piezometer. Magnetic extensometer is utilized to measure settlement of soft soil under the influence of loading during soil improvement or construction stage. The magnetic extensometer consists of components spider magnet, plate magnet, datum magnet, telescoping coupling, access tube and cable reel with audible Observation well is used for monitoring ground water level in a soil layer of stratum.

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COMPANY LIMITED

Pressuremeter Test (PMT) The Pressuremeter Test (PMT) provides a tress-strain response of the insitu soil. A deformation modulus called the pressuremeter modulus (Ep) and a limit pressure (PL) can be obtained from the stress-strain relationship for geotechnical analysis and foundation design. The pressuremeter test is performed by applying pressure to the sidewalls of a borehole. The pressuremeter consists of two parts, the read-out unit, which rests on ground surface, and the probe that inserted into the borehole. The probe consists of three independent cells, a measuring cell and two guard cells. Once the probe is at the test depth, the guard cells are inflated to brace the probe in place. Then the measuring cell is pressurized with water, inflating its flexible rubber bladder, which exerts a pressure on the borehole walls. As the pressure in the measuring cell increases, the borehole deforms. The pressure within the measuring cell is held constant for approximately 60 seconds, and the increase in volume required maintaining the constant pressure is recorded. A load-deformation diagram is recorded for each test run.

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COMPANY LIMITED

Laboratory testing for soil Physical Testing Grain size distribution analysis: The test is conducted in two stages: sieve analysis for coarse-grained soils (>0.075mm) and hydrometer analysis for fine-grained soils (< 0.075mm). The results are presented by a grain size distribution curve which is combined as the percentage of sample smaller than, by weight, versus the log of the particle diameter. The curve provides the parameters about effective diameter (D60 & D10) and coefficient of uniformity (Cu). Tests were performed in accordance with ASTM D422. Atterberg limits test: Atterberg limit test aimed to determine liquid limit (LL) and plastic limit (PL) which are very important indices used for classification of cohesive soil. The testing equipments are manufactured by HUMBOLDT – USA and procedures are according to ASTM, BS.

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COMPANY LIMITED

Laboratory testing for soil Mechanical Testing - Oedometer test Laboratory is equiped a Oedometer (or one-dimension consolidometer) test system of 30 sets manufactured by HUMBOLTD (USA) which can be reached to maximum pressure of 64 kG/cm2. Displacement transducer MLT system including 30 channels connected to automatic data acquisition Datalogger supplied by M-System (Japan). During test, data will be controlled and updated by M-System software, continuously. Warning will be activated when strain gauge out of safety limitation. CRCS test: The conventional oedometer test equipment is able to replace by LOADTRAC II integrating with ICON software, the system can complete a consolidation test within one day instead seven by conventional oedometer test. Process of loading and unloading shall be automatically controlled by ICON software. Fully automation of testing procedure aimed to reduce human error and enhance accuracy of testing, that is dependent on the data transmission and processing capacity of transducer reached to 22 bits.

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COMPANY LIMITED

Laboratory testing for soil Mechanical Testing - Direct shear test The Direct Shear test equipment manufactured by Humboldt using Loadcell and MLTs to monitor the shear force and MLTs are used to monitor both vertical and horizontal deformation. The data are automatically recorded and stored by Datalogger. The test purposed to evaluate soil shear strength in condition of undrain and drain according to ASTM 3080. The test equipment can apply maximum normal stress up to 32 kG/cm2, the dimensions of square shear box is appropriate for soil specimen of 2.5 inches in diameter and height of 1 inch. LoadCell with capacity of 1KN. Strain gauge to measuring vertical and horizontal displacement with capacity of 0.6 inch Shear rate ranging of 0.001 to 15mm/min.

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COMPANY LIMITED

Laboratory testing for soil Mechanical Testing - Triaxial tests Triaxial test equipment consists of flow pump system FlowTrac II and machine with multiple capability LoadTrac II manufactured by GeoComp-USA. The system will be connected to the computer network by network card, thereby tesing process will be fully automatical controlled by Triaxial professional programme. It included saturation stage, consolidation stage (Isotropic and K0 condition), and shearing with constant rate or any stress path. In report, the programme will automatically output the detail report for test. Triaxial tests for cohesive soil with models such as: UU, CIU, CID, CKoU, Multistage

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COMPANY LIMITED

Laboratory testing for rock The point load test is used to determine point load strength for rock specimen. In this test, the rock specimen will be placed between two conical platens of compressive machine, and then close the platens to increasing applied load until the specimen fails. The maximum value of load shall be recorded to compute the point load strength. The test conducted according to ASTM 5731. The uniaxial compression test is to measure uniaxial compression strength (qu), deformation modulus (Es50) of cylindrical rock specimen. The test conducted by hydraulic compressive machine TYA-2000 (China), applied load and defomation measured by Loadcell and displacement transducer which are recorded by Datalogger and stored to computer. ASTM D 2938 -95 is used to applying for this test. Direct shear test for rock sample is used to measure the peak shear strength and the residual shear strength and internal friction angle of rock specimen. Insert the test specimen in the bevel die inset after that place beveled die inset between two press platens. The data is measured by Loadcell and displacement transducer then stored by Datalogger

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COMPANY LIMITED

GEOLOGICAL INVESTIGATION & WORK VERIFICATION PROJECTS - PDA

No. Project name Place Clients Duration

1 Duyen Hai Sea Port Project Tra Vinh China Communications Construction Company Ltd.

2017

2 Long Son Petrochemical Complex Project – Package F

Ba Ria - Vung Tau POSCO E&C 2017

3 International Cruise port Project Den Do Cap Park and Urban Residential Area Project at Phu Thuan Ward, District 7, Ho Chi Minh

Ho Chi Minh City Sai Gon Peninsula Group Corporation

2017

4 Ong Keo General Port Dong Nai Long Thuan Investment Corporation

2017

5 Soil investigation work at Cai Mep Industrial zone – CM1-CM4 area

Ba Ria - Vung Tau Hyosung Corporation 2017

6 Ha Tien Binh An Port Ha Tien Binh An Shipping Co., Ltd 2017

7 Ca Na Lotus Port Ninh Thuan Hoa Sen Group 2016

8 Low Cai Mep Logistics Center Vung Tau Ba Ria Vung Tau Province Department of Transport

2016

9 ICD Long Binh Transshipment Port Project Ho Chi Minh City Duc Khai Corporation 2016

10 Low Cai Mep General Port BRVT Cai Mep General Port Company Ltd

2016

11 Transit port providing coal for thermal power centers in the Mekong Delta

Tra Vinh Vietnam National Coal - Mineral Industries Holding Corporation Ltd (Vinacomin)

2015

12 Phu Quoc International Passenger Port Kien Giang Department of Traffic and Transport Kien Giang Province

2015

13 Vietnam Lee & Man Paper International Port Hau Giang Vietnam Lee & Man Paper Manufacturing Ltd

2015

14 Cai Mep General Port Ba Ria Vung Tau Cai Mep General Port Co., Ltd 2015

15 Ong Keo General Port Dong Nai Long Thuan Investment Corp 2015

16 Navigational channel to Gianh estuary Quang Binh Vietnam Construction Materials Company Ltd

2015

17 Protection bank for Lee&Man plant Viet Nam Hau Giang Vietnam Lee & Man Paper Manufacturing Ltd

2015

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18 Phu Quoc International Passenger Ship Port Kien Giang VINAMARINE 2014

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Establishment of navigational channel and maritime signal system for Dong Tranh river and navigational channel from Tat Ong Cu - Tat Bai confluence to Go Gia river

Dong Nai Southern Vietnam Maritime Safety Corporation (VMS-South)

2014

20 Mekong Delta Region Urban Upgrading Project (MDR-UUP) - My Tho city sub-project - Item of Tien River Embankment

Tien Giang

Project Management Unit of Mekong Delta Region Urban Upgrading Project (MDR-UUP) - My Tho city sub-project

2014

21 Socializion and Dredging to gather products - Dong Tranh and Tat Ong Cu - Tat Bai Navigational Channel to Go Gia river

Dong Nai Hai Hung Thinh Investment Joint Stock Company

2014

22 Long Son Petrochemical Complex Ba Ria - Vung Tau Long Son Petrochemical Co., Ltd.

2013

23 Cho Gao Upgrading Project - Phase 1 Tien Giang

Vietnam Inland Waterways Administration (VIWA) / Project Management Unit of Southern Inland Waterways (PMU-SIW)

2013

24 Nghi Son Refinery Petrochemical Complex Project Thanh Hoa Nghi Son Refinery and Petrochemical Limited Liability Company (NSRP)/ JGCS

2013

25 Sihanoukville International Terminals - SITC Campuchia Sihanoukville International Terminals Limited / Hutchison Port Holdings

2013

26 Tien Sa port extension and upgrade project Da Nang Ministry of Transport (MOT)/ Project Management Unit 85

2013

27 LDC Potential project Ba Ria - Vung Tau LOUIS DREYFUS COMMODITIES VIETNAM LTD

2013

28 Ho Chi Minh City Urban Railway Construction Project Ben Thanh - Suoi Tien Section (Line 1) Contract Package 2: Civil (Elevated & Depot)

HCMC Management Authority for Urban Railways

2012

29 Overall and comprehensive study of Cai Mep - Thi Vai Navigational Channel

Ba Ria - Vung Tau Vinamarine / Maritime Project Management Unit III

2012

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COMPANY LIMITED


30 The Integrated Steel Mill and Son Duong Port Formosa Ha Tinh Project

Ha Tinh Formosa Ha Tinh Steel Corporation / Samsung C&T Corporation

2011

31 Duyen Hai Seaport Project Tra Vinh Vietnam Electricity / Thermal Power Project Management Unit 3

2011

32 River Pier No. 3 and 4 - besides Phu My port area Ba Ria - Vung Tau

Baria Serece 2011

33 Nam Van Phong General Port Khanh Hoa Thanh Yen - Van Phong Joint Stock Company

2011

34 The Improvement project of Navigational Channel to the Bassac River - Package 1

Tra Vinh Vinamarine / Maritime Project Management Unit III

2011

35 Lach Huyen Port Infrastructure Construction Project Hai Phong Vinamarine / JICA Study Team 2011

36 Quang Trach Power Center Infrastructure Construction Project

Quang Binh PetroVietnam Construction Joint Stock Corporation (PVC)

2011

37 Cai Mep Ha General & Container Port Ba Ria - Vung Tau

Vung Tau Shipyard Corporation 2011

38 Cai Lan International Container Terminal Quang Ninh Cai Lan Port Investment Joint Stock

2010

39 Port of Van Phong - Khanh Hoa Khanh Hoa Lucky Land Investment Trading 2010

40 Low Cai Mep Container and General Terminal Ba Ria-Vung Tau Vung Tau Shipyard 2009

41 Ba Son warehouse and port HCMC PMU No.9 - Department of Defense

2009

42 Saigon International Terminals Vietnam Ba Ria-Vung Tau Saigon International Terminal Vietnam

2009

43 Saigon Hiep Phuoc Terminal HCMC Sai Gon Hiep Phuoc Joint Stock Company

2009

44 Southern Petrochemical Complex in Vietnam Ba Ria-Vung Tau Long Son Petrochemical Complex Ltd.

2009

45 Long Son General Terminal Ba Ria-Vung Tau Long Son Petrochemical Complex Ltd

2009

46 Saigon Logictics Area HCMC Saigon Port 2009

47 Duyen Hai Sea Port Project Tra Vinh Vietnam Electricity/Thermal Power Project Management Unit No.3

2009

48 Nghi Son Refinery Petrochemical Complex Project Thanh Hoa Nghi Son Refinery And Petrochemical Limited Liability Company

2009

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COMPANY LIMITED


49 The South Vietnam Petrochemical Complex Ba Ria - Vung Tau Long Son Petrochemical Co.Ltd 2009

50 SP-SSA International Conatiner terminal Ba Ria - Vung Tau SP-SSA Inernational Container Services Joint Venture Company

2008-2011

51 The Integrated Steel Mill and Son Duong Port Ha Tinh Formosa Plastics Group 2008

52 CPTu test: Saigon International Terminal Vietnam Ba Ria - Vung Tau China Harbour Engineering Company Limited (SITV)

2008

53 Equipment Installation and horizontal Monitoring for Dock 10.000DWT

HCMC Saigon Shobuilding Industry Company

2008

54 Lotus International Port Ba Ria - Vung Tau GEMADEPT 2008

55 PVD design & Monitoring: SP-PSA Port Ba Ria - Vung Tau SP-PSA International Port Co.,Ltd. 2008

56 Installation and Monitoring: SITV Ba Ria - Vung Tau SITV 2008

57 PDA Testing: SP-PSA Port Ba Ria - Vung Tau SP-PSA International Port Co.Ltd. 2008

58 PDA testing: Posco Integrated Steel Mill Port Ba Ria - Vung Tau Posco Vietnam Co., Ltd 2008

59 PDA testing: SITV Ba Ria - Vung Tau SITV 2008

60 My Xuan International General Terminal Ba Ria - Vung Tau Formosa International Development Company

2007-2009

61 Saigon East-West Hightway HCMC HCMC People Committee 2007

62 Detailed Plan with the scale of 1/500 for Vinh Dam (Phu Quoc)

Kien Giang Saigon Investment Construction and Commerce Ltd.

2007

63 Saigon Thep Viet Port Ba Ria - Vung Tau Thep - Thep Viet Joint Stock Comapny

2007

64 Monitoring for Interflour Port Expansion Ba Ria - Vung Tau Interflour Vietnam Ltd. 2007

65 Experimental Dredging till -11.11 for Soai Rap Navigation Channel (Phase II)

HCMC Tan Thuan Industial Promotion Company (IPC)

2007

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COMPANY LIMITED


66 Cai Mep Ha General Container Terminal Ba Rai - Vung Tau Vungtau Shipyard 2006

67 Cai Mep Inernational Terminal Ba Ria - Vung Tau APMT 2006

68 SP-SSA Inernational Container Terminal Ba Ria - Vung Tau SSA Holding International Vietnam

2006

69 Saigon Premier Container Terminal HCMC P&O Ports Ltd. 2006

70 Thi Vai International Terminal Ba Ria - Vung tau PSA Vietnam PTE. Ltd. 2006

71 Saigon International Terminal Vietnam Ba Ria - Vung Tau Hutchison Port Holdings 2006

72 Phuong Nam Long An TRACODI 2006

73 Monitoring for Saigon Preminer Container Terminal HCMC SPCT 2006

74 PDA testing: Product export Jetties - Dung Quat Refinery (5B)

Quang Ngai Petrovietnam 2006-

75 PDA testing: Ca Mau Gas-Power-Fertilizer Ca Mau Petrovietnam 2006-

76 Saigon Shipyard HCMC Saigon Shipyard Ltd. 2006

77 CPTu test: East - West Hightway HCMC OBAYASHI - P.S MITSUBISHI 2006

78 PDA Testing for Product Export Jetty - Dung Quat Refinery

Quang Ngai Petrovietnam 2005

79 General Survey for bottom of the Sea by Stratabox HCMC Tan Thuan Industrial Promotion Company

2005

80 Geotechnical Investigated for Bassac Channel Tra Vinh Waterway Project Management Unit

2005

81 Geotechnical Investigated for Saigon Premier Container Terminal

HCMC Tan Thuan IPC - P&O Ports Ltd Joint Venture Company

2005

82 Geotechnical Investigated for Cai Mep Container Terminal

Ba Ria - Vung Tau GEMADEPT/ Hutchison Port Holdings

2004

83 Geotechnical Investigated for Breakwater - Dung Quat Refinery

Quang Ngai Petrovietnam 2002

84 PDA Testing for Phu My port Ba Ria - Vung Tau Ba Ria Agriculture and Forestry Product and Fertilizer Import-Export Company

2001-2006

85 Ca Mau Gas- Power - Fertilizer Project Ca Mau Petrovietnam 2001-2004

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LONG SON PETROCHEMICAL COMPLEX

PROJECT (2017,2013,2009)

LONG SON PETROCHEMICALS

COMPLEX PROJECT

CLIENTS: LONG SON PETROCHEMICALS COMPANY LIMITED

LOCATION: BA RIA – VUNG TAU PROVINCE

2017

• Offshore borehole: 18 BH

• Total drilling depth: 950 m

• UD: 54 samples

• SPT: 600 tests

• CPTu : 5 locations

• CPTu length: 200m

• PMT: 21 tests

2013

• Onshore borehole: 33 BH


• Seismic survey: 02

locations, 144 geophone

2009




• FVT: 26 locations

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SIHANOUKVILLE INTERNATIONAL

TERMINALS (2013,2012)

SIHANOUKVILLE INTERNATIONAL

TERMINALS PROJECT

CLIENTS: SIHANOUKVILLE INTERNATIONAL TERMINALS LIMITED

LOCATION: STEUNG HAV, SIHANOUKVILLE, KINGDOM OF CAMBODIA

2013



• Total drilling depth:

160.9 m

• UD: 14 samples

• SPT: 27 tests

• RQD : 104m

2012



• Total drilling depth:

420.7 m

• UD: 63 samples

• SPT: 130 tests

• RQD : 229m

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CA NA LOTUS PORT (2017)

CA NA LOTUS PORT CLIENTS: HOA SEN GROUP

LOCATION: THUAN NAM DISTRICT, NINH THUAN PROVINCE

• Offshore borehole : 28 boreholes

• Total drilling depth : 573m

• UD Samples : 59 samples

• RQD : 441m

• SPT : 58 tests

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DEN DO CAP PARK AND URBAN

RESIDENTIAL AREA AT PHU THUAN WARD,

DISTRICT 7, HCMC (2017)

DEN DO CAP PARK AND URBAN

RESIDENTIAL AREA

WORKS: INTERNATIONAL CRUISE

PORT

CLIENTS: SAI GON PENINSULA GROUP CORPORATION

LOCATION: PHU THUAN WARD, DISTRICT 7, HO CHI MINH CITY




• SPT : 713 tests

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SOIL INVESTIGATION WORK AT CAI MEP

INDUSTRIAL ZONE (2016)

SOIL INVESTIGATION WORK AT

CAI MEP INDUSTRIAL ZONE

CLIENTS: HYOSUNG CORPORATION

LOCATION: TAN THANH DISTRICT, BA RIA VUNG TAU PROVINCE




• RQD : 90m

• SPT : 204 tests

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VIETNAM LEE & MAN PAPER

INTERNATIONAL PORT PROJECT (2014)

VIETNAM LEE & MAN PAPER

INTERNATIONAL PORT PROJECT

CLIENTS: VIET NAM LEE & MAN PAPER MANUFACTURING LTD.

LOCATION: PHU THANH HAMLET, PHU HUU A COMMUNE, CHAU THANH

DISTRICT, HAU GIANG PROVINCE.




• SPT : 131 tests

• FVT : 2 locations.

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NGHI SON REFINERY AND PETROCHEMICAL

COMPLEX (2013)

NGHI SON REFINERY AND

PETROCHEMICAL COMPLEX

CLIENTS: JGC VIETNAM CO., LTD.

LOCATION: TINH GIA DISTRICT - THANH HOA PROVINCE




• SPT : 671 tests

• FVT :14 locations.

• CPT :33 locations.

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DUYEN HAI SEA PORT (2012)

DUYEN HAI SEA PORT CLIENTS: VIETNAM ELECTRICITY THERMAL POWER PROJECT

MANAGEMENT BOARD 3

LOCATION: DUYEN HAI DISTRICT - TRA VINH


• Onshore borehole : 7 boreholes



• SPT : 1434 tests

• FVT :11 locations.

• Downhole test :4 locations.

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THE DETAILED DESIGN STUDY LACH HUYEN

PORT INFRASTRUCTURE CONSTRUCTION

PROJECT (2011)

THE DETAILED DESIGN STUDY LACH

HUYEN PORT INFRASTRUCTURE

CONSTRUCTION PROJECT

CLIENTS: JICA TEAM (JOINT VENTURE OF ORIENTAL CONSULTANTS

CO., LTD AND NIPPON KOEI CO., LTD AND PADECO CO., LTD AND

JAPAN BRIDGE & STRUCTURE INSTITUTE INC.,)

LOCATION: CAT HAI DISTRICT, HAI PHONG PROVINCE




• SPT : 1743 tests

portcoast geotechnical limits test: atterberg limit test aimed to determine liquid limit (ll) ......

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