Ground reinforcement work | High support capacity with ETP method that meets the needs of large-scale facilities and high-load structures.
Responding to large-scale facilities and high-load structures! High-support-capacity ETP method. Strongly supports concentrated loads with a full range of 16 sizes of steel pipe variations and deep depth compatibility.
This document provides a detailed explanation of the importance of "ground reinforcement work" and the introduction effects of the "ETP method," which boasts high bearing capacity, for large-scale development projects such as large logistics warehouses, factories, and data centers. In structures with high loads or large openings where uneven loads are applied, improper measures against foundation settlement can lead to catastrophic structural damage and economic losses. The ETP method is a rotary driven steel pipe pile method equipped with advanced disc-shaped enlarged wings and excavation assist bits, demonstrating both high penetration capability and tremendous end bearing capacity simultaneously. It offers a total of 16 pile diameter variations, with a maximum diameter of φ609.6mm, and accommodates large facilities with a total floor area of up to 500,000 square meters by utilizing high-tensile steel pipes of 590N grade. It allows for deep installations of up to 63.6m in sandy ground and establishes a solid support layer even in sites with deep soft layers. GeoTech Co., Ltd. ensures reliable quality and adherence to construction schedules for large-scale projects through real-time data monitoring via construction management devices and a nationwide supply network.
basic information
This is a rotary pile driving method using high-support capacity steel pipe piles, which has obtained certification from the Minister of Land, Infrastructure, Transport and Tourism and the GBRC Building Technology Performance Certification (No. 12-20). The diameter of the axial steel pipes ranges from φ89.1mm to φ609.6mm (a total of 16 sizes), and it is also possible to select high-strength 590N grade steel pipes. The applicable building scale can accommodate a total floor area of up to 500,000 square meters. The maximum construction depth is 130 times the outer diameter or 63.6m or less for sandy ground (including gravel), and 59.43m (57.0m for φ508.0mm or larger) for clayey ground, boasting high installation efficiency and tremendous end bearing capacity with no soil displacement during construction.
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Ground reinforcement work
Applications/Examples of results
It is ideal for the foundation reinforcement of newly constructed buildings with large floor areas and high load expectations, such as large logistics warehouses, distribution centers, manufacturing plants, data centers, mid- to high-rise office buildings, and large commercial facilities. Additionally, it demonstrates its effectiveness in large-depth casting work in development areas along coastal regions where soft layers are deeply deposited, as well as in structures with wide spans where column base loads are concentrated due to open-span designs. It is widely adopted in environmentally conscious large-scale development projects that aim to significantly reduce the round trips of large trucks due to the absence of soil disposal.
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