Ground Investigation | Plate Load Test and Foundation Review to Prevent Excess Piling in Single-Story Logistics Warehouses
Ground investigation
Reviewing the excessive piling work for single-story logistics warehouses! By measuring the shallow soil bearing capacity with a plate load test, we significantly reduce construction costs through a design change to direct foundations.
In the new construction plan for a single-story logistics warehouse, it is often observed that unnecessary piling work and large-scale deep ground improvement methods are specified due to overly cautious judgments from simple ground surveys. The plate loading test service provided by Geotech serves as an effective second opinion investigation to eliminate excessive reinforcement in the initial design and dramatically optimize overall construction costs. In this test, loading plates are directly placed on the foundation bottom level ground at the actual construction site to apply loads, accurately measuring the original ultimate bearing capacity and deformation coefficient in the shallow layer. Based on the reliable long-term allowable bearing capacity data calculated, it scientifically supports design changes to direct foundation methods such as "slab foundations" or "strip foundations," eliminating the need for deep piling work entirely. Furthermore, by visualizing settlement behavior through multi-stage loading, it is possible to present clear technical grounds in the documents submitted to building confirmation review agencies and structural calculation reports. Utilizing experienced qualified staff and our in-house ground database GEODAS to the fullest, we thoroughly cut excessive construction costs while completely ensuring structural safety.
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basic information
In accordance with the standards of the Japan Society of Materials Science and the Geotechnical Engineering Society JGS 1521, we will conduct multi-stage loading and unloading using reaction force receiving machines (such as backhoes) and a loading plate with a diameter of 30 cm, based on the design load. The load values will be measured using a high-precision compression load cell, and the displacement values will be measured with a digital displacement gauge (such as CDP-50) with an accuracy of 1/100 mm, with automatic recording by a data logger. Before the fieldwork, we will conduct operational checks of various equipment and calibrate the horizontal level to collect reliable measurement data. The calculated ultimate bearing capacity, long-term allowable bearing capacity, and deformation coefficients will be organized, and a technical calculation report corresponding to structural compatibility assessment will be prepared.
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Applications/Examples of results
It is optimal for design changes (second opinion evaluation) from the originally planned pile foundation and deep improvement methods in newly constructed single-story logistics warehouses and distribution centers. When you want to adopt direct foundations such as slab foundations or strip foundations by directly measuring the allowable bearing capacity of shallow ground, it is highly effective in situations where you want to control construction budget overruns due to excessive reinforcement. Additionally, it can be utilized in various considerations from the early planning stage to just before construction starts, such as presenting objective evidence of ground bearing capacity for confirmation applications and structural conformity assessments, and creating technical documentation for design changes for general contractors and clients.
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