Construction of a system of dry drain wells and groundwater recharge

With the motto "ALWAYS YOUR FOUNDATION" To aim for professionalism in the development process, Solar System Geotechnical and Foundation Joint Stock Company declares and commits to bringing the best quality to customers.

DESIGN OF UNDERGROUND WATER LOWERING SYSTEM

Design a pumping system to lower the groundwater level, including: selecting the method of pumping to lower the groundwater level; Specify the input geotechnical parameters for calculation; Calculating the structure of the underground water pumping well, the water collection volume of each pumping well to lower the groundwater and selecting the appropriate pump; Calculating the number of pumping wells to lower groundwater for the whole project; Determine the lowering of the groundwater level at each location

Technical advice on draining underground water for construction

Many engineering projects, especially large projects with underground construction, are holes dug deep in aquifers. For all such excavations, the selection of the appropriate system for the management and control of groundwater and surface water should be planned before the start of each project.

State regulations on construction monitoring

Monitoring is the use of machines, equipment, and methods (geodetic or non-geodetic) to monitor and measure the deformation of the work. The task of marine monitoring is...

GEOTECHNICAL DOCUMENTS

Gather and share materials on geotechnical engineering that are posted on websites and forums. Hope the document is useful to you

HORIZONTAL DISPLACEMENT MONITORING

The Model GK-604D DIgital Inclinometer Systems is supplied with: a Model 6100D probe (with integrated electrical to digital converter), winch and cable reels and a Field PC. The signal from the measuring head will be transmitted via the control cable to the winch that has a built-in data logger (can connect to Bluetooth).

DEEP SUBSIDENCE MONITORING

Magnet elongation is designed to measure settlement or heave of side soil protection walls, foundations, dams and soft ground.

TENSION MONITORING OF BRACING SYSTEM

PURPOSE OF MONITORING THE VOICE SYSTEM

MONITORING PORE WATER PRESSURE

Permeation monitoring device, measuring water level, measuring pore water pressure automatically with vibrating wire

MACHINES MONITORING GROUNDWATER LEVEL

Groundwater level gauge is also known as borehole well water level gauge. RWL groundwater level gauge is used for measuring from well mouth or soil surface to groundwater-surface such as in good drilling, groundwater level study. , ... Rulers are imported directly from Yamayo - Japan

LEVELING MACHINE

Leica DNA electronic leveling machine - Convenient, accurate, and fast: No more reading numbers, no more recording, no more subjective errors affecting measurement results, easy to establish networks advanced leveling grids or precision leveling tasks. DNA is the ultimate solution, the number one choice for all your calibration tasks. The DNA can be used as a conventional optical calibrator with markings and visual reading. DNA can use mia invar barcoding and measuring electronically. Data is stored in the machine, calculated on pre-installed software, or poured out to peripheral devices via RS232 port or memory card. Capable of fast measurement, data retention, and high accuracy, stability, DNA is the perfect choice for calibration tasks.

ELECTRONIC TOTAL STATION

– Brand: Leica – Switzerland– Magnification: 24x Zoom, allows working at long distances– Shortest measuring distance: 1 m– Single measurement error at 30m distance: 1.2 mm– Error within measuring range 2 way 1km: 2.0 mm

DRILLING WELLS TO COLLECT UNDERGROUND WATER

There are different drilling methods for different geological conditions from hard rock (granite, dolomite) to loose sediment (alluvial sand, gravel). Each specific drilling method prevails in certain areas. There is no single method that is best suited for all geological conditions...

HORIZONTAL DISPLACEMENT MONITORING

Monitor the horizontal displacement, direction and speed of the diaphragm piles, diaphragm walls or soil in the affected area of ​​the works in order to assess the extent and predict the evolution of the displacements, from which there are solutions. handling problems caused by horizontal displacement. Through field observations, it is possible to compare the data with calculation theory and synthesize experience in design and construction for future works. hybrid.

DEEP WATER LEVEL MONITORING

Monitoring the groundwater level in a specific aquifer or all of the aquifers to monitor the status of the groundwater level. Thereby, it is possible to reasonably regulate the process of removing and drying the foundation pit to effectively serve the tunnel construction. In addition, based on the lowering of the groundwater level to forecast settlement of the ground and surrounding structures.

PUMP, LOWER, GROUNDWATER

In some big cities like HCMC. Ho Chi Minh City, there is a rapid construction speed. In those constructions there are basement construction buildings. During the construction of the tunnel, it is necessary to drain the underground water level hole below the construction part. Designing a reasonable drying system will reduce costs and ensure safety for the project.

MEASURES TO COLLECT WATER

The water collection pit is the most basic measure of the method of lowering groundwater - draining the foundation pit. In essence, it involves allowing groundwater to enter the trenches and collect it in a sump, and then pump it out for disposal.

MONITORING PROJECT TILT

Check the inclination of the main and neighboring works due to the influence during the construction process. On the basis of monitoring data to warn of abnormal tilting scene exceeding the allowable standard, affecting the quality of construction,...

TECHNICAL EXCHANGE WITH PARTNER WJ GROUNDWATER (UK)

In July 2017, the Solar System welcomed the representative of WJ Groundwater company from the UK. 2 units exchange techniques and look forward to cooperation in the near future  

Super high-rise building monitoring technology

Solar System is honored to work with partner Coteccons, presenting the most advanced monitoring technologies currently applied in the monitoring of super high-rise buildings. Hoping for long-term cooperation between the two companies.

Technical presentation on the incident related to the underground water lowering

During the meeting of the leaders of Hoa Binh, the engineers of the Solar System presented the problems related to the pump to lower the groundwater. The presentation was broadcast live to the central and Hanoi branches.

DRILLING WELLS TO COLLECT UNDERGROUND WATER

There are different drilling methods for different geological conditions from hard rock (granite, dolomite) to loose sediment (alluvial sand, gravel). Each specific drilling method prevails in certain areas.

SUNSHINE CIT

IT STAFF

Due to the development and construction needs of the company, currently Thai Duong system has a need to recruit IT staff.

Due to the job requirements and enhancing the professional image at the construction sites, at present, Thai Duong system company has a need to recruit safety staff.

Do yêu cầu công việc và nâng cao hình ảnh chuyên nghiệp tại các công trình, hiện tại công ty Thái dương hệ có nhu cầu tuyển dụng nhân viên an toàn 

Administrative staff, office

Due to the need to expand the market in the Hanoi area, at present, Thai Duong System Geotechnical and Foundation Joint Stock Company has a need to recruit personnel for the position: administrative staff.

QC STAFF

Due to the need to develop new projects and constantly develop human resources. Currently, Thai Duong System Geotechnical and Foundation Joint Stock Company has a need to recruit some personnel for the position of QC.

PROJECT SUPERVISION

Due to the need to develop new projects and constantly develop human resources. Currently, Thai Duong System Geotechnical and Foundation Joint Stock Company has a need to recruit some personnel for construction supervision. 

TECHNOLOGY

Due to the need to develop new projects and constantly develop human resources. Currently, Thai Duong System Geotechnical and Foundation Joint Stock Company has a need to recruit some technical personnel. 

ACCOUNTING MATERIALS

To ensure the maintenance and continuous development of human resources to fully meet all the needs of the company. Currently, Thai Duong System Geotechnical and Foundation Joint Stock Company has a need to recruit personnel in charge of material accounting

Technical presentation to dry the foundation pit in Hanoi

Solar System was honored to present at Hoa Binh's technical training session in Hanoi.

SAIGON ROYAL RESIDENCE

XI GRAND COURT

MARIE CURIE HOTEL

VINHOME GOLDEN RIVER

THE WESTERN CAPITAL

ETOWN CENTRAL

ORIENTAL GRADEN LE VAN LUONG

LAN ANH HOTEL

TERRA ROYAL

VINCOM QUANG BINH

Grand Riverside

THAO DIEN TRADE CENTER

HIYORI GRADEN TOWER

RIVERGATE RESIDENCE

SUN GRAND CITY

GOLDEN MANSION

RIVA PARK

VIET CAPITAL CENTER

THE SUN AVENUE APARTMENT

THE PARK AVENUE APARTMENT

SONG TRA TRADE CENTER CONSTRUCTION

J-Spiral Steel Pipe

CONSTRUCTION SETTLEMENT MONITORING CONSTRUCTION SETTLEMENT MONITORING

Determine settlement values ​​(relative settlement, absolute settlement, average settlement speed...) of each main work item, adjacent works. From there to evaluate the stability of the works when under the impact of the construction process. Warning abnormal settlement phenomenon,...

MONITORING THE DIRECTION AND VELOCITY OF GROUNDWATER FLOW

Monitoring the direction and velocity of groundwater flow, combined with documents and field pumping experiments, is one of the important tasks in hydrogeological investigation, especially in related issues. related to the transport, dispersion of pollutants in the underground water environment, etc. Here is a method of monitoring that we have the opportunity to work with Japanese experts - ASANO TAISEIKISO ENGINEERING Co.Ltd (ATK).

FIELD WING CUTTING EXPERIMENT

The field shear test is intended to determine the undrained shear resistance of soils, used for soft cohesive soils, saturated with water. This test does not apply to soils with rapid drainage, swollen soils, soils with lots of rocks and shells. Here are some basic theories to better understand the nature of this experiment...

IMPORTANT HYDRAULIC PROPERTIES OF SOIL - GROUND WATER_PART 2

The hydraulic properties of soil and groundwater materials depend on some of the following important hydraulic properties. Document translated from "The Handbook of Groundwater Engineering" edited by Jacques Delleur, 1999.

IMPORTANT HYDRAULIC PROPERTIES OF SOIL - GROUND WATER_PART 1

The hydraulic properties of soil and groundwater materials depend on some of the following important hydraulic properties. Document translated from "The Handbook of Groundwater Engineering" edited by Jacques Delleur, 1999.

\STANDARD PENETRATION TEST SPT

The Standard Penetration Test, also known as the SPT (Standard Penetration Test) test, has been around since 1927 and is probably the most commonly used test method for determining geotechnical properties. art of the land.

Should geological survey with how many experimental criteria?

Determining how many indicators depends on the designer, what parameters are needed. Therefore, the identification of 7 indicators, 9 indicators or 17 real indicators is not mentioned exactly. Below is a classification of 7 indicators, 9 indicators and 17 indicators in the most "common" way.

DEEP SUBSIDENCE MONITORING

Observe the settlement process of the work and the roadbed under the effect of loads (during the construction period) then calculate the settlement, consolidation of the ground as well as forecast unusual incidents such as subsidence, to slide,…

MEASURES TO PREVENT WATER WALLS

The choice to use a certain water containment method will depend on the conditions and constraints for a given project. The main conditions are the depth of the wall, the geological condition, the geometry of the wall...

INVESTIGATE THE CURRENT STATUS OF NEIGHBORING WORKS

The survey of the current status of neighboring houses/constructions in order to determine the initial status of houses/constructions adjacent to the works being constructed. Through the survey, we can assess the impact and influence of the construction work on the surrounding works.

HYDROGRAPHIC SURVEY

Hydrogeological survey to clarify distribution laws, physical properties and chemical composition, dynamics and dynamics of groundwater.

Some project dry off the nail pit

Some typical projects that Thai Duong System has carried out is pumping to lower the groundwater level

ENGINEERING GEOLOGICAL SURVEY

Engineering geological survey is the study and assessment of engineering geological conditions at a construction site in order to determine the structure of the ground, the physical and mechanical properties of the ground layers, the underground water conditions and the Geological hazards for the planning, design and treatment of foundations….

TESTING DETERMINE THE PERMEABILITY COEFFICIENT SOILD PERMEABILITY

The permeability coefficient along with the water release coefficient are the most important parameters of the aquifer. It is an important input parameter in the design of groundwater pumping system

TEST TO DETERMINE SHEAR STRENGTH IN FLAT CUTTERS

Method for determining the shear strength of sandy and clayey soils of whole texture, or prepared in the laboratory, at a cutter in a predetermined plane. Not applicable to coarse sandy soil and gravel soil, clay type soil in flowing state and flowing under the effect of vertical pressure in the condition of hip expansion...

MONITORING PORE WATER PRESSURE

Monitoring of underground water level. Serving the calculation of the ground load at the bottom of the foundation, checking the lowering of the water level during the pumping and lowering of the basement, etc.

TEST TO DETERMINE SOIL MOISTURE

Moisture is determined by the loss of mass of a soil sample or a portion of a soil sample by drying to constant mass...

EXPERIMENT TO DETERMINE THE NATURAL VOLUMETRIC DENSITY OF SOIL

Method for the determination of the natural volumetric mass of soil in the laboratory for construction purposes. Applicable to sandy soil and clay type soil, not applicable to soils containing large grit...

EXPERIMENT TO DETERMINE THE DENSITY OF SOIL

Method for determining the density of sandy and clayey soils in the laboratory for construction...

EXPERIMENT TO DETERMINE THE ATTERBERG LIMIT OF SOIL

Method for determining the plastic limit and yield strength of soil in the laboratory for construction use. Applicable to cohesive soils, containing the majority of particles less than 1mm in size and with a plastic limit. Not applicable to organic soils (peat, peatland)...

EXPERIMENT TO DETERMINE THE GRAIN COMPOSITION OF THE SOIL

Method to determine the particle composition of sandy soil and clay soil in the laboratory for construction...

Survey process

Prestigious quality: Quality and reputation make up the brand of an organization. In particular, engineering geological survey and soil mechanical experiment are also extremely necessary and important scientific professions. Therefore, we always work with the motto of quality and prestige on top.

State regulations on geological survey works

Standard 9363:2012 guides several technical requirements in surveying for high-rise buildings. Some important and necessary contents such as classification of high-rise buildings, instructions on the arrangement of the borehole network, and borehole depth corresponding to the size of the work and the construction stages.

SOLAR SYSTEM FOUNDATION AND GEOTECHNICS JSC COOPERATE WITH PRESTIGE CONTRACTORS FROM JAPAN

Improving service quality and competitiveness. Thai Duong System has signed a comprehensive cooperation agreement with ASANO TAISEIKISO Engineering Co., Ltd

Does monitoring work to solve any problems in the construction industry?

What is construction monitoring?

Vietnamese standard on surveying the current state of construction works TCVN 9381:2012

A GUIDELINE FOR ASSESSING THE DANGER OF HOME Structural HazardsGuidelines for the evaluation of dangerous levels of building structures