Partner Engineering & Science, Inc.’s Post

Geotechnical instrumentation and monitoring, along with geo-hazard assessments and geotechnical surveys, play an important role in safeguarding assets and infrastructure. Properly planned geotechnical surveys are, along with monitoring programs, of paramount importance in identifying potential hazards and risks. #applusportugal #applus #riportico #riporticoengenharia #instrumentationandmonitoring

Safeguard your projects with the cutting-edge tech of Geotechnical Instrumentation and Wireless Remote Monitoring. Let’s redefine safety together and ward off the threat of landslides. Ready to take the leap? Share your insights on landslide prevention below! 👇 #SafetyFirst #PreventLandslides #instrumentation #landslides #srgpl #beneaththesurface #geotechnicalengineering #engineering 

Engineering Happy day- If you see the Problems in the field what is the best solutions you have to take- Effect of Time on Positioning: Instrument Stability: Setup Accuracy: The dumpy level must be correctly set up and leveled each time it is used. If the instrument shifts or settles over time, this can affect measurements. Regular calibration and adjustment are necessary to maintain accuracy. Environmental Factors: Temperature Changes: Temperature fluctuations can affect the leveling instrument’s components and the leveling rod, causing slight changes in measurements. Ground Stability: The ground on which the instrument is placed might shift or settle, affecting the instrument’s stability and the accuracy of measurements over time. Surveying Procedure: Consistency: For accurate results, it’s important to use consistent surveying procedures. Measurements taken at different times should follow the same methods and conditions to ensure comparability. Re-calibration: Regular checks and recalibration of the instrument may be necessary if measurements are being taken over extended periods. Measurement Changes: Construction and Soil Movement: In construction or grading projects, soil compaction or movement can change the dumpy level readings over time. Surveys should be conducted at regular intervals to account for these changes. Settlement: Over time, especially in new construction or landfill sites, materials might settle or compact, which will affect the measurements. #civilengineering. #construction. #Engineering. #Art. #Bridges.

Geotechnical reports play a pivotal role in offering insights into subsurface conditions, and any inaccuracies or omissions can lead to significant issues during construction and beyond. Some common pitfalls in geotechnical reports include: Incomplete Site Investigation Limited Laboratory Testing Incorrect Soil Classification Inaccurate Bearing Capacity Estimates Omission of Groundwater Information Lack of Seismic Data Incomplete Slope Stability Analysis Omission of Foundation Design Parameters Neglecting Construction Recommendations Overlooking Geotechnical Hazards Insufficient Settlement Analysis Missing Future Considerations Inadequate Reporting Format Lack of Professional Sign-off, etc. Open communication and collaboration between geotechnical and structural engineers are essential to promptly address discrepancies or uncertainties in the geotechnical report. Regular review processes can help identify and rectify potential mistakes before they impact structural design and construction. In our upcoming session, Er. Sorabh Gupta (Director, Cengrs Geotechnica Pvt. Ltd.) will deliver a concise 15-minute presentation on geotechnical investigation reports. Following that, we'll engage in a Q&A session, addressing questions from the registration form and live chat discussions. Please share with us your discussion points in advance through registration form. Link for registration can be found by scanning QR code on image as well as the link is mentioned below (in FIRST comment box). Kindly circulate the message in your network so that we might receive diverse points for discussion. #GeotechnicalEngineering #ConstructionInsights #EngineeringCollaboration #structuralengineering #structuralengineers #engineers #engineering #civilengineering #geotechnical #soilmechanics #geotechnicalinvestigation SQVe Consultants

Harnessing Statistical Analysis for Better Geotechnical Design 📊🏗️ In geotechnical engineering, making precise and informed decisions is essential for safe and efficient project outcomes. That’s where statistical analysis becomes a game-changer! 🔍 By using regression models and other statistical techniques such as: Correlation analysis to determine relationships between different soil properties 🔗 ANOVA (Analysis of Variance) to compare the effects of different variables on soil behavior 📊 Probability distributions to assess the risk of certain soil behaviors happening over time 🎲 We can gain a better understanding of key soil characteristics like: Moisture content 🌧️ Density 🪨 Shear strength 💪 A regression model, for example, helps us predict how one variable affects another. In geotechnics, we can use it to see how moisture content influences soil strength. This allows us to make accurate predictions and create better designs. 📈 CASE STUDY EXAMPLE📚: A recent project involving the construction of a bridge foundation demonstrated how statistical analysis can be used to examine the relationship between soil compaction and settlement behavior. The process included: 1️⃣ Gathering data on soil compaction levels 📊 from various points across the site. 2️⃣ Applying a regression model 📈 to predict the likelihood of settlement based on compaction and soil moisture levels 🌧️. 3️⃣ Using ANOVA 📊 to compare different compaction techniques and their impacts on settlement behavior. 4️⃣ Identifying areas where inadequate compaction 🚧 could lead to excessive settlement 🏗️, potentially compromising the stability of the foundation. Results? 🛠️ The compaction strategy was adjusted to prevent potential settlement issues. 💡 Resources were optimized, resulting in reduced construction costs. 🚧 A foundation was designed to perform more reliably under load conditions. How are you using statistical tools to improve your geotechnical projects? Let’s discuss! 💬

In conducting geotechnical investigations like we do at TECLAB LIMITED, Standard Penetration Test (SPT) is one of the commonly used methods to determine the soil bearing capacities from SPT N-values. However, before evaluation of bearing capacities, SPT N-values are normally corrected using various empirical correlations and equations based on the type of equipment used, soil type and testing conditions. Various correction factors are applied to the measured N-values to obtain more accurate and consistent results. Below are some common correction methods/ factors used for SPT N-values: ◇ Energy Ratio Correction based on the energy transfer efficiency of the specific hammer system used. ◇ Rod Length Correction based on the length of the string of rods from the SPT avil to the sampler. ◇ SPT Sampler type Corretion. ◇ Borehole Diameter Correction. ◇ Overburden Stress Correction used to adjust the N-values for the influence of the vertical effective stress from the weight of the soil above the test depth. ◇ Groundwater Correction because the presence or absence of groundwater during the SPT testing affects the measured N-values. It is important to note that the specific correction factors and equations used may vary based on regional standards, practices, and the availability of empirical data for the specific soil conditions. Consulting relevant geotechnical engineering references, standards, or guidelines applicable to your specific region would provide detailed information on the correction methods relevant to your project. In addition, a flowchart (Md. Manzur Rahman (2017)), provided as a figure, can be followed to effectively correct the SPT N-values.

Here's a more detailed explanation of the closed chamber test in well testing: Closed chamber test well testing, also known as an aquifer test, is a hydrogeological technique used to assess the properties of an aquifer. Here's how it works: 1. Preparation: A test well is drilled into the aquifer of interest. The well is typically constructed with a screened interval, allowing water to enter from the surrounding aquifer. 2. Installation of the Chamber: A sealed chamber is constructed around the test well. This chamber can be made of materials like concrete, PVC, or steel, and it's designed to isolate the well and the surrounding aquifer from the external environment. 3. Initial Conditions: Before the test begins, the water level inside the well is allowed to stabilize, reaching a condition known as "static" or "initial" water level. 4. Pumping Test: A pump is used to extract water from the well at a constant rate. The pumping rate is carefully controlled and measured. 5. Data Collection: During the test, various parameters are monitored and recorded, including: - The drawdown: The decrease in water level inside the well as pumping continues. - The rate of water pumped from the well. - The rate of recovery of the water level inside the well after pumping stops. 6. Analysis: The data collected during the test are analyzed using mathematical models to determine key aquifer parameters, such as: - Transmissivity: A measure of how easily water can flow through the aquifer. - Hydraulic conductivity: A property related to transmissivity, representing the ability of the aquifer to transmit water under a unit hydraulic gradient. - Storativity: A measure of how much water the aquifer can store. 7. Interpretation: The results of the analysis provide valuable information about the aquifer's characteristics, including its capacity to supply water, its response to pumping, and its potential for groundwater contamination. Closed chamber test well testing is an essential tool for groundwater resource management, environmental assessment, and engineering design in various fields, including water supply, environmental remediation, and geotechnical engineering.

To all Junior Geotechnical Engineers: 👷♀️ 👷♂️ 💪 Here are some helpful tips to facilitate your work and release stress from your shoulders: Understand the Site: Read thoroughly the site investigation report, including soil, rock, and groundwater data. Being well-informed about the site specifics will help you make better engineering decisions. Gain Field Experience: Always seek opportunities to visit the site. Hands-on experience provides invaluable insights that complement theoretical knowledge and helps you visualize project conditions and potential designs. Seek Mentorship: Never hesitate to ask questions. Seniors are often very welcoming and eager to help. Learn as much as possible from their experience and insights. Keep Learning: Stay updated with new methods, materials, and technologies in geotechnical engineering. Attend workshops, seminars, and read industry publications. Prioritize Safety: Ensure designs comply with local and international safety standards. Always consider the safety implications of your decisions. Document Everything: Keep detailed records of your findings, designs, and decisions. Documentation is crucial for future reference and accountability. Be Ethical: Maintain integrity and professionalism. Ethical practices ensure the trust and safety of your projects. Christakis Iereidis - Dual MSc., Senior Geotechnical Professional. Feel free to contribute any additional tips! #JuniorEngineers #GeotechnicalEngineering #CivilEngineering #EngineeringGuidelines #EngineeringCareers

In the field of #Geotechnical #Engineering success is a combination between the #equipment available with you, and the #human_resources which have a valuable technical skills. This means that if you have the best equipment and do not have a good team with high #technical skills, you limit your success opportunities. But if you combine powerful, new equipment and work teams with high technical #skills, you guarantee success for yourself and your client will gain the best performance, quality and productivity. This is what our company SIC-SA always strives for, as it includes the best expertise and #minds in the field of geotechnical engineering, as well as the best equipment available in the market.