Metode Pelaksanaan Pondasi Bore Pile

Summary

This video showcases the implementation of foundation techniques for complex soil conditions, including tests like the Running Test and Casing Method, using a slurry mixture. It covers the detailed process of checking tools, mobilizing equipment, and ensuring the quality of concrete during foundation work. Emphasis is placed on drilling, testing mud properties, measuring PH values, and assessing slurry viscosity. The video also highlights the installation of reinforcement cages and concrete pouring to maintain structural integrity. The CSL testing method is mentioned for evaluating soil behavior, ensuring the foundation's depth and quality meet the necessary standards.

Takeaways

• 😀 The construction process involves foundation methods suitable for unique soil conditions that are prone to breaking and landslides.
• 😀 The execution uses a combination of techniques, including running tests and casing, to ensure structural integrity.
• 😀 A mixture of water and mud is employed for the testing process, with regular checks of tools and equipment mobilization.
• 😀 The use of a specific workshop setup has been approved to optimize construction quality and ensure proper material handling.
• 😀 A unique pouring method is employed where the concrete pouring is carried out in alternating patterns to ensure quality despite drilling.
• 😀 Regular two-way checks are performed during drilling tests to analyze mud properties, including measuring PH and viscosity.
• 😀 Specific tests are done every 10 meters during drilling, with PH value checks indicating the presence of residue and viscosity measurements.
• 😀 The concrete's weight and the presence of debris are regularly checked to ensure consistency and quality.
• 😀 The alignment of drilling holes is inspected for stability, particularly for identifying potential collapses and sedimentation.
• 😀 Reinforcement cages are installed before pouring concrete, ensuring compliance with standards for weld connections and proper pipe installation.
• 😀 Special testing techniques, such as the CSL method, are used to evaluate the integrity of concrete foundations and detect subsurface defects.

Q & A

What is the primary method used for foundation construction in the described scenario?

The primary method involves using a combination of mud and water mixtures, along with specific testing methods like the Crosshole Sonic Logging (CSL) to ensure the quality and integrity of the foundation.

Why is soil testing important in this construction method?

Soil testing is critical because the existing soil is described as fragile, prone to breaking, and susceptible to landslides. These tests help ensure the foundation is stable and can handle the specific soil conditions.

What does the 'laru test' or 'tes lari' involve?

The 'laru test' involves drilling and using a casing method to test the properties of the mud and water mixture at various depths. It includes checking the pH levels and analyzing the viscosity and weight of the liquid.

What is the purpose of measuring pH and analyzing the slurry properties?

Measuring the pH and analyzing the slurry properties helps determine the consistency and quality of the mud mixture. This ensures that the mixture will not adversely affect the foundation's stability and allows for proper filtration of impurities.

What role does the rebar cage ('sangkar tulangan') play in the process?

The rebar cage is essential for reinforcing the foundation before concrete is poured. It must be installed correctly to provide structural strength, with specific measurements for vertical and horizontal reinforcement.

How does the Crosshole Sonic Logging (CSL) method contribute to quality control?

The CSL method is used to evaluate the integrity of the foundation by measuring the concrete's quality and detecting defects or voids in the material. It helps assess the foundation's lateral location and depth.

What does the term 'sedimentation' refer to in this context?

Sedimentation in this context refers to the settling of materials within the drilled hole. It helps detect potential collapses or weaknesses in the soil and ensures the foundation remains solid.

Why is it necessary to clean the borehole with Airway during the process?

Cleaning the borehole with Airway ensures that no debris or leftover slurry obstructs the hole, which could impact the quality of the foundation and the effectiveness of subsequent tests.

What is the significance of concrete pouring at the same time as the testing?

Pouring concrete at the same time as the tests allows for a direct evaluation of how the material behaves under specific conditions, ensuring consistency and quality throughout the foundation's construction.

What does the term 'radicalization' refer to in the context of the testing process?

In this context, 'radicalization' refers to the process of checking the behavior of the soil and the foundation under various conditions. It involves the examination of the drilling process and soil reaction, ensuring the structure is stable and meets necessary standards.