[Construction Case] Vibration Suppression in Precision Parts Manufacturing Factory - Void Filling Work
"The earthen floor is sagging, and the machine is vibrating." "The vibration of the machine affects product accuracy." Quickly resolved with the Upcon method.
This time, we would like to introduce a case study of a precision parts manufacturing factory in Saitama Prefecture. Due to ground subsidence, cracks and deflections occurred in the floor slab, causing vibrations in the machinery. To prevent the impact of these vibrations on product accuracy, we carried out subsidence correction work to alleviate the deflection and filling work for the voids under the floor slab. The Upcon method was adopted because it allows for construction without moving the machinery and without stopping operations. 【Site Information】 Saitama Prefecture / Precision Parts Manufacturing Factory Construction Area: 287 square meters Maximum Subsidence: 44mm Maximum Void Volume: 50mm Construction Period: 3 days You can view detailed construction information in the PDF download below.
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basic information
■ What is the Upcon Method? The Upcon method involves drilling small holes with a diameter of 16mm into existing concrete floors that have experienced sinking, unevenness, tilting, or gaps. While continuously monitoring the level in millimeter increments, polyurethane resin is injected. The resin injected beneath the floor expands rapidly under pressure, compacting and strengthening the ground, improving bearing capacity, and lifting the concrete to correct it. The final strength of the resin is achieved in about 60 minutes. Additionally, if gaps have formed beneath the floor, they can be filled using the same method. *The polyurethane can lift the floor with a foaming pressure of up to 10 tons per square meter, eliminating the need to move heavy equipment or loads. ■ Features of the Upcon Method 1. Short construction period: The construction time is one-tenth that of conventional methods. 2. No interruption of operations: There is no need to move machines or loads. 3. Comprehensive high technical capability: Responsible construction by 100% in-house staff. 4. Compact construction system: Quick restoration of the current state is possible. 5. Reduced risk of re-sinking compared to conventional methods. We provide total support for on-site surveys, repair planning, and construction, all handled responsibly by our in-house staff. Our specialized and experienced staff will propose the optimal repair plan tailored to your site.
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Applications/Examples of results
■Ground floor sinking correction work ■Ground floor void filling work
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Company information
We carry out construction to correct the sinking, tilting, steps, and gaps in concrete floors caused by uneven ground subsidence in buildings such as factories, warehouses, stores, and general residences, using our unique "Upcon Method" with completely non-fluorinated urethane resin and small machinery. Additionally, we are engaged in public works that utilize technologies developed through various research and development projects to restore the functionality of aging social infrastructure such as roads, airports, ports, and agricultural waterways. ■ Features of the Upcon Method 1. Short construction period: The construction time is 1/10 of conventional methods. 2. No interruption of operations: No need to move machinery or cargo. 3. Comprehensive high technical capability: 100% in-house employees. 4. Compact construction system: Quick restoration to the current state is possible. 5. Reduced risk of re-subsidence: Lower risk of re-subsidence compared to conventional methods. Our in-house staff provides total support from on-site surveys across the country to repair planning and construction, taking full responsibility. Our specialized and experienced in-house staff will propose the optimal repair plan tailored to your site. Upcon Co., Ltd. was newly listed on the Nagoya Stock Exchange Next Market on December 26, 2022.